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.github/workflows/build.yml

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + name: Build 2 + 3 + on: 4 + push: 5 + tags: 6 + - "reflector-v*.*.*" 7 + 8 + jobs: 9 + build: 10 + runs-on: ubuntu-latest 11 + permissions: 12 + contents: write 13 + 14 + steps: 15 + - uses: actions/checkout@v4 16 + - name: build reflector 17 + run: cargo build --bin reflector --release && mv target/release/reflector target/release/reflector_amd64 18 + - name: release 19 + uses: softprops/action-gh-release@v2 20 + with: 21 + files: target/release/reflector_amd64

+1 -1

.github/workflows/checks.yml

··· 28 - name: get nightly toolchain for jetstream fmt 29 run: rustup toolchain install nightly --allow-downgrade -c rustfmt 30 - name: fmt 31 - run: cargo fmt --package links --package constellation --package ufos --package spacedust --package who-am-i -- --check 32 - name: fmt jetstream (nightly) 33 run: cargo +nightly fmt --package jetstream -- --check 34 - name: clippy

··· 28 - name: get nightly toolchain for jetstream fmt 29 run: rustup toolchain install nightly --allow-downgrade -c rustfmt 30 - name: fmt 31 + run: cargo fmt --package links --package constellation --package ufos --package spacedust --package who-am-i --package slingshot --package pocket -- --check 32 - name: fmt jetstream (nightly) 33 run: cargo +nightly fmt --package jetstream -- --check 34 - name: clippy

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+4

Cargo.toml

··· 8 "ufos/fuzz", 9 "spacedust", 10 "who-am-i", 0 0 0 0 11 ]

··· 8 "ufos/fuzz", 9 "spacedust", 10 "who-am-i", 11 + "slingshot", 12 + "quasar", 13 + "pocket", 14 + "reflector", 15 ]

+8 -1

Makefile

··· 5 cargo test --all-features 6 7 fmt: 8 - cargo fmt --package links --package constellation --package ufos --package spacedust --package who-am-i 0 0 0 0 0 0 0 9 cargo +nightly fmt --package jetstream 10 11 clippy:

··· 5 cargo test --all-features 6 7 fmt: 8 + cargo fmt --package links \ 9 + --package constellation \ 10 + --package ufos \ 11 + --package spacedust \ 12 + --package who-am-i \ 13 + --package slingshot \ 14 + --package pocket \ 15 + --package reflector 16 cargo +nightly fmt --package jetstream 17 18 clippy:

+1 -1

constellation/Cargo.toml

··· 8 anyhow = "1.0.95" 9 askama = { version = "0.12.1", features = ["serde-json"] } 10 axum = "0.8.1" 11 - axum-extra = { version = "0.10.0", features = ["typed-header"] } 12 axum-metrics = "0.2" 13 bincode = "1.3.3" 14 clap = { version = "4.5.26", features = ["derive"] }

··· 8 anyhow = "1.0.95" 9 askama = { version = "0.12.1", features = ["serde-json"] } 10 axum = "0.8.1" 11 + axum-extra = { version = "0.10.0", features = ["query", "typed-header"] } 12 axum-metrics = "0.2" 13 bincode = "1.3.3" 14 clap = { version = "4.5.26", features = ["derive"] }

+661

constellation/LICENSE

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+3

constellation/LICENSE.future

··· 0 0 0

··· 1 + constellation's source code is currently only available under the AGPL license. 2 + 3 + it MAY be relicensed in the future to MIT and/or Apache 2.0, at the sole discretion of the microcosm organization, but is not available under these licenses today.

+9

constellation/readme.md

··· 83 ``` 84 85 0 0 0 0 0 0 0 0 0 86 some todos 87 88 - [x] find links and write them to rocksdb

··· 83 ``` 84 85 86 + ## Contributions 87 + 88 + ### Licensing 89 + 90 + Constellation's source code is currently available exclusively under the AGPL license (see [LICENSE](./LICENSE)). 91 + 92 + In the future, its code MAY become available under the MIT and/or Apache2.0 licenses, at the sole discretion of the microcosm organization. Contributing implies acceptance with this possible future licensing change. The change has not happed yet and is not guaranteed. 93 + 94 + 95 some todos 96 97 - [x] find links and write them to rocksdb

+57 -14

constellation/src/bin/main.rs

··· 1 use anyhow::{bail, Result}; 2 use clap::{Parser, ValueEnum}; 3 use metrics_exporter_prometheus::PrometheusBuilder; 0 4 use std::num::NonZero; 5 use std::path::PathBuf; 6 use std::sync::{atomic::AtomicU32, Arc}; ··· 21 #[derive(Parser, Debug)] 22 #[command(version, about, long_about = None)] 23 struct Args { 24 - #[arg(short, long)] 0 0 0 0 0 0 0 25 /// Jetstream server to connect to (exclusive with --fixture). Provide either a wss:// URL, or a shorhand value: 26 /// 'us-east-1', 'us-east-2', 'us-west-1', or 'us-west-2' 27 #[arg(short, long)] ··· 46 /// Saved jsonl from jetstream to use instead of a live subscription 47 #[arg(short, long)] 48 fixture: Option<PathBuf>, 0 0 0 49 } 50 51 #[derive(Debug, Clone, ValueEnum)] ··· 78 let stream = jetstream_url(&args.jetstream); 79 println!("using jetstream server {stream:?}...",); 80 0 0 0 81 let stay_alive = CancellationToken::new(); 82 83 match args.backend { 84 - StorageBackend::Memory => run(MemStorage::new(), fixture, None, stream, stay_alive), 0 0 0 0 0 0 0 0 85 #[cfg(feature = "rocks")] 86 StorageBackend::Rocks => { 87 let storage_dir = args.data.clone().unwrap_or("rocks.test".into()); ··· 96 rocks.start_backup(backup_dir, auto_backup, stay_alive.clone())?; 97 } 98 println!("rocks ready."); 99 - run(rocks, fixture, args.data, stream, stay_alive) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 } 101 } 102 } ··· 106 fixture: Option<PathBuf>, 107 data_dir: Option<PathBuf>, 108 stream: String, 0 0 109 stay_alive: CancellationToken, 110 ) -> Result<()> { 111 ctrlc::set_handler({ ··· 150 .build() 151 .expect("axum startup") 152 .block_on(async { 153 - install_metrics_server()?; 154 - serve(readable, "0.0.0.0:6789", staying_alive).await 155 }) 156 .unwrap(); 157 stay_alive.drop_guard(); ··· 184 185 'monitor: loop { 186 match readable.get_stats() { 187 - Ok(StorageStats { dids, targetables, linking_records }) => { 188 metrics::gauge!("storage.stats.dids").set(dids as f64); 189 metrics::gauge!("storage.stats.targetables").set(targetables as f64); 190 metrics::gauge!("storage.stats.linking_records").set(linking_records as f64); ··· 218 Ok(()) 219 } 220 221 - fn install_metrics_server() -> Result<()> { 222 println!("installing metrics server..."); 223 - let host = [0, 0, 0, 0]; 224 - let port = 8765; 225 PrometheusBuilder::new() 226 .set_quantiles(&[0.5, 0.9, 0.99, 1.0])? 227 .set_bucket_duration(time::Duration::from_secs(30))? 228 .set_bucket_count(NonZero::new(10).unwrap()) // count * duration = 5 mins. stuff doesn't happen that fast here. 229 .set_enable_unit_suffix(true) 230 - .with_http_listener((host, port)) 231 .install()?; 232 - println!( 233 - "metrics server installed! listening on http://{}.{}.{}.{}:{port}", 234 - host[0], host[1], host[2], host[3] 235 - ); 236 Ok(()) 237 } 238

··· 1 use anyhow::{bail, Result}; 2 use clap::{Parser, ValueEnum}; 3 use metrics_exporter_prometheus::PrometheusBuilder; 4 + use std::net::SocketAddr; 5 use std::num::NonZero; 6 use std::path::PathBuf; 7 use std::sync::{atomic::AtomicU32, Arc}; ··· 22 #[derive(Parser, Debug)] 23 #[command(version, about, long_about = None)] 24 struct Args { 25 + /// constellation server's listen address 26 + #[arg(long)] 27 + #[clap(default_value = "0.0.0.0:6789")] 28 + bind: SocketAddr, 29 + /// metrics server's listen address 30 + #[arg(long)] 31 + #[clap(default_value = "0.0.0.0:8765")] 32 + bind_metrics: SocketAddr, 33 /// Jetstream server to connect to (exclusive with --fixture). Provide either a wss:// URL, or a shorhand value: 34 /// 'us-east-1', 'us-east-2', 'us-west-1', or 'us-west-2' 35 #[arg(short, long)] ··· 54 /// Saved jsonl from jetstream to use instead of a live subscription 55 #[arg(short, long)] 56 fixture: Option<PathBuf>, 57 + /// run a scan across the target id table and write all key -> ids to id -> keys 58 + #[arg(long, action)] 59 + repair_target_ids: bool, 60 } 61 62 #[derive(Debug, Clone, ValueEnum)] ··· 89 let stream = jetstream_url(&args.jetstream); 90 println!("using jetstream server {stream:?}...",); 91 92 + let bind = args.bind; 93 + let metrics_bind = args.bind_metrics; 94 + 95 let stay_alive = CancellationToken::new(); 96 97 match args.backend { 98 + StorageBackend::Memory => run( 99 + MemStorage::new(), 100 + fixture, 101 + None, 102 + stream, 103 + bind, 104 + metrics_bind, 105 + stay_alive, 106 + ), 107 #[cfg(feature = "rocks")] 108 StorageBackend::Rocks => { 109 let storage_dir = args.data.clone().unwrap_or("rocks.test".into()); ··· 118 rocks.start_backup(backup_dir, auto_backup, stay_alive.clone())?; 119 } 120 println!("rocks ready."); 121 + std::thread::scope(|s| { 122 + if args.repair_target_ids { 123 + let rocks = rocks.clone(); 124 + let stay_alive = stay_alive.clone(); 125 + s.spawn(move || { 126 + let rep = rocks.run_repair(time::Duration::from_millis(0), stay_alive); 127 + eprintln!("repair finished: {rep:?}"); 128 + rep 129 + }); 130 + } 131 + s.spawn(|| { 132 + let r = run( 133 + rocks, 134 + fixture, 135 + args.data, 136 + stream, 137 + bind, 138 + metrics_bind, 139 + stay_alive, 140 + ); 141 + eprintln!("run finished: {r:?}"); 142 + r 143 + }); 144 + }); 145 + Ok(()) 146 } 147 } 148 } ··· 152 fixture: Option<PathBuf>, 153 data_dir: Option<PathBuf>, 154 stream: String, 155 + bind: SocketAddr, 156 + metrics_bind: SocketAddr, 157 stay_alive: CancellationToken, 158 ) -> Result<()> { 159 ctrlc::set_handler({ ··· 198 .build() 199 .expect("axum startup") 200 .block_on(async { 201 + install_metrics_server(metrics_bind)?; 202 + serve(readable, bind, staying_alive).await 203 }) 204 .unwrap(); 205 stay_alive.drop_guard(); ··· 232 233 'monitor: loop { 234 match readable.get_stats() { 235 + Ok(StorageStats { dids, targetables, linking_records, .. }) => { 236 metrics::gauge!("storage.stats.dids").set(dids as f64); 237 metrics::gauge!("storage.stats.targetables").set(targetables as f64); 238 metrics::gauge!("storage.stats.linking_records").set(linking_records as f64); ··· 266 Ok(()) 267 } 268 269 + fn install_metrics_server(metrics_bind: SocketAddr) -> Result<()> { 270 println!("installing metrics server..."); 0 0 271 PrometheusBuilder::new() 272 .set_quantiles(&[0.5, 0.9, 0.99, 1.0])? 273 .set_bucket_duration(time::Duration::from_secs(30))? 274 .set_bucket_count(NonZero::new(10).unwrap()) // count * duration = 5 mins. stuff doesn't happen that fast here. 275 .set_enable_unit_suffix(true) 276 + .with_http_listener(metrics_bind) 277 .install()?; 278 + println!("metrics server installed! listening at {metrics_bind:?}"); 0 0 0 279 Ok(()) 280 } 281

+239 -238

constellation/src/bin/rocks-link-stats.rs

··· 1 - use bincode::config::Options; 2 - use clap::Parser; 3 - use serde::Serialize; 4 - use std::collections::HashMap; 5 - use std::path::PathBuf; 6 7 - use tokio_util::sync::CancellationToken; 8 9 - use constellation::storage::rocks_store::{ 10 - Collection, DidId, RKey, RPath, Target, TargetKey, TargetLinkers, _bincode_opts, 11 - }; 12 - use constellation::storage::RocksStorage; 13 - use constellation::Did; 14 15 - use links::parse_any_link; 16 - use rocksdb::IteratorMode; 17 - use std::time; 18 19 - /// Aggregate links in the at-mosphere 20 - #[derive(Parser, Debug)] 21 - #[command(version, about, long_about = None)] 22 - struct Args { 23 - /// where is rocksdb's data 24 - #[arg(short, long)] 25 - data: PathBuf, 26 - /// slow down so we don't kill the firehose consumer, if running concurrently 27 - #[arg(short, long)] 28 - limit: Option<u64>, 29 - } 30 31 - type LinkType = String; 32 33 - #[derive(Debug, Eq, Hash, PartialEq, Serialize)] 34 - struct SourceLink(Collection, RPath, LinkType, Option<Collection>); // last is target collection, if it's an at-uri link with a collection 35 36 - #[derive(Debug, Serialize)] 37 - struct SourceSample { 38 - did: String, 39 - rkey: String, 40 - } 41 42 - #[derive(Debug, Default, Serialize)] 43 - struct Bucket { 44 - count: u64, 45 - sum: u64, 46 - sample: Option<SourceSample>, 47 - } 48 49 - #[derive(Debug, Default, Serialize)] 50 - struct Buckets([Bucket; 23]); 51 52 - const BUCKETS: [u64; 23] = [ 53 - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 32, 64, 128, 256, 512, 1024, 4096, 16_384, 65_535, 54 - 262_144, 1_048_576, 55 - ]; 56 57 - // b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b12, b16, b32, b64, b128, b256, b512, b1024, b4096, b16384, b65535, b262144, bmax 58 59 - static DID_IDS_CF: &str = "did_ids"; 60 - static TARGET_IDS_CF: &str = "target_ids"; 61 - static TARGET_LINKERS_CF: &str = "target_links"; 62 63 - const REPORT_INTERVAL: usize = 50_000; 64 65 - type Stats = HashMap<SourceLink, Buckets>; 66 67 - #[derive(Debug, Serialize)] 68 - struct Printable { 69 - collection: String, 70 - path: String, 71 - link_type: String, 72 - target_collection: Option<String>, 73 - buckets: Buckets, 74 - } 75 76 - #[derive(Debug, Default)] 77 - struct ErrStats { 78 - failed_to_get_sample: usize, 79 - failed_to_read_target_id: usize, 80 - failed_to_deserialize_target_key: usize, 81 - failed_to_parse_target_as_link: usize, 82 - failed_to_get_links: usize, 83 - failed_to_deserialize_linkers: usize, 84 - } 85 86 - fn thousands(n: usize) -> String { 87 - n.to_string() 88 - .as_bytes() 89 - .rchunks(3) 90 - .rev() 91 - .map(std::str::from_utf8) 92 - .collect::<Result<Vec<&str>, _>>() 93 - .unwrap() 94 - .join(",") 95 - } 96 97 - fn main() { 98 - let args = Args::parse(); 99 100 - let limit = args.limit.map(|amount| { 101 - ratelimit::Ratelimiter::builder(amount, time::Duration::from_secs(1)) 102 - .max_tokens(amount) 103 - .initial_available(amount) 104 - .build() 105 - .unwrap() 106 - }); 107 108 - eprintln!("starting rocksdb..."); 109 - let rocks = RocksStorage::open_readonly(args.data).unwrap(); 110 - eprintln!("rocks ready."); 111 112 - let RocksStorage { ref db, .. } = rocks; 113 114 - let stay_alive = CancellationToken::new(); 115 - ctrlc::set_handler({ 116 - let mut desperation: u8 = 0; 117 - let stay_alive = stay_alive.clone(); 118 - move || match desperation { 119 - 0 => { 120 - eprintln!("ok, shutting down..."); 121 - stay_alive.cancel(); 122 - desperation += 1; 123 - } 124 - 1.. => panic!("fine, panicking!"), 125 - } 126 - }) 127 - .unwrap(); 128 129 - let mut stats = Stats::new(); 130 - let mut err_stats: ErrStats = Default::default(); 131 132 - let did_ids_cf = db.cf_handle(DID_IDS_CF).unwrap(); 133 - let target_id_cf = db.cf_handle(TARGET_IDS_CF).unwrap(); 134 - let target_links_cf = db.cf_handle(TARGET_LINKERS_CF).unwrap(); 135 136 - let t0 = time::Instant::now(); 137 - let mut t_prev = t0; 138 139 - let mut i = 0; 140 - for item in db.iterator_cf(&target_id_cf, IteratorMode::Start) { 141 - if stay_alive.is_cancelled() { 142 - break; 143 - } 144 145 - if let Some(ref limiter) = limit { 146 - if let Err(dur) = limiter.try_wait() { 147 - std::thread::sleep(dur) 148 - } 149 - } 150 151 - if i > 0 && i % REPORT_INTERVAL == 0 { 152 - let now = time::Instant::now(); 153 - let rate = (REPORT_INTERVAL as f32) / (now.duration_since(t_prev).as_secs_f32()); 154 - eprintln!( 155 - "{i}\t({}k)\t{:.2}\t{rate:.1}/s", 156 - thousands(i / 1000), 157 - t0.elapsed().as_secs_f32() 158 - ); 159 - t_prev = now; 160 - } 161 - i += 1; 162 163 - let Ok((target_key, target_id)) = item else { 164 - err_stats.failed_to_read_target_id += 1; 165 - continue; 166 - }; 167 168 - let Ok(TargetKey(Target(target), collection, rpath)) = 169 - _bincode_opts().deserialize(&target_key) 170 - else { 171 - err_stats.failed_to_deserialize_target_key += 1; 172 - continue; 173 - }; 174 175 - let source = { 176 - let Some(parsed) = parse_any_link(&target) else { 177 - err_stats.failed_to_parse_target_as_link += 1; 178 - continue; 179 - }; 180 - SourceLink( 181 - collection, 182 - rpath, 183 - parsed.name().into(), 184 - parsed.at_uri_collection().map(Collection), 185 - ) 186 - }; 187 188 - let Ok(Some(links_raw)) = db.get_cf(&target_links_cf, &target_id) else { 189 - err_stats.failed_to_get_links += 1; 190 - continue; 191 - }; 192 - let Ok(linkers) = _bincode_opts().deserialize::<TargetLinkers>(&links_raw) else { 193 - err_stats.failed_to_deserialize_linkers += 1; 194 - continue; 195 - }; 196 - let (n, _) = linkers.count(); 197 198 - if n == 0 { 199 - continue; 200 - } 201 202 - let mut bucket = 0; 203 - for edge in BUCKETS { 204 - if n <= edge || bucket == 22 { 205 - break; 206 - } 207 - bucket += 1; 208 - } 209 210 - let b = &mut stats.entry(source).or_default().0[bucket]; 211 - b.count += 1; 212 - b.sum += n; 213 - if b.sample.is_none() { 214 - let (DidId(did_id), RKey(k)) = &linkers.0[(n - 1) as usize]; 215 - if let Ok(Some(did_bytes)) = db.get_cf(&did_ids_cf, did_id.to_be_bytes()) { 216 - if let Ok(Did(did)) = _bincode_opts().deserialize(&did_bytes) { 217 - b.sample = Some(SourceSample { 218 - did, 219 - rkey: k.clone(), 220 - }); 221 - } else { 222 - err_stats.failed_to_get_sample += 1; 223 - } 224 - } else { 225 - err_stats.failed_to_get_sample += 1; 226 - } 227 - } 228 229 - // if i >= 40_000 { 230 - // break; 231 - // } 232 - } 233 234 - let dt = t0.elapsed(); 235 236 - eprintln!("gathering stats for output..."); 237 238 - let itemified = stats 239 - .into_iter() 240 - .map( 241 - |( 242 - SourceLink(Collection(collection), RPath(path), link_type, target_collection), 243 - buckets, 244 - )| Printable { 245 - collection, 246 - path, 247 - link_type, 248 - target_collection: target_collection.map(|Collection(c)| c), 249 - buckets, 250 - }, 251 - ) 252 - .collect::<Vec<_>>(); 253 254 - match serde_json::to_string(&itemified) { 255 - Ok(s) => println!("{s}"), 256 - Err(e) => eprintln!("failed to serialize results: {e:?}"), 257 - } 258 259 - eprintln!( 260 - "{} summarizing {} link targets in {:.1}s", 261 - if stay_alive.is_cancelled() { 262 - "STOPPED" 263 - } else { 264 - "FINISHED" 265 - }, 266 - thousands(i), 267 - dt.as_secs_f32() 268 - ); 269 - eprintln!("{err_stats:?}"); 270 - eprintln!("bye."); 271 - } 272 273 - // scan plan 274 275 - // buckets (backlink count) 276 - // 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 32, 64, 128, 256, 512, 1024, 4096, 16384, 65535, 262144, 1048576+ 277 - // by 278 - // - collection 279 - // - json path 280 - // - link type 281 - // samples for each bucket for each variation 0

··· 1 + // use bincode::config::Options; 2 + // use clap::Parser; 3 + // use serde::Serialize; 4 + // use std::collections::HashMap; 5 + // use std::path::PathBuf; 6 7 + // use tokio_util::sync::CancellationToken; 8 9 + // use constellation::storage::rocks_store::{ 10 + // Collection, DidId, RKey, RPath, Target, TargetKey, TargetLinkers, _bincode_opts, 11 + // }; 12 + // use constellation::storage::RocksStorage; 13 + // use constellation::Did; 14 15 + // use links::parse_any_link; 16 + // use rocksdb::IteratorMode; 17 + // use std::time; 18 19 + // xxxx/// Aggregate links in the at-mosphere 20 + // #[derive(Parser, Debug)] 21 + // #[command(version, about, long_about = None)] 22 + // struct Args { 23 + // /// where is rocksdb's data 24 + // #[arg(short, long)] 25 + // data: PathBuf, 26 + // /// slow down so we don't kill the firehose consumer, if running concurrently 27 + // #[arg(short, long)] 28 + // limit: Option<u64>, 29 + // } 30 31 + // type LinkType = String; 32 33 + // #[derive(Debug, Eq, Hash, PartialEq, Serialize)] 34 + // struct SourceLink(Collection, RPath, LinkType, Option<Collection>); // last is target collection, if it's an at-uri link with a collection 35 36 + // #[derive(Debug, Serialize)] 37 + // struct SourceSample { 38 + // did: String, 39 + // rkey: String, 40 + // } 41 42 + // #[derive(Debug, Default, Serialize)] 43 + // struct Bucket { 44 + // count: u64, 45 + // sum: u64, 46 + // sample: Option<SourceSample>, 47 + // } 48 49 + // #[derive(Debug, Default, Serialize)] 50 + // struct Buckets([Bucket; 23]); 51 52 + // const BUCKETS: [u64; 23] = [ 53 + // 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 32, 64, 128, 256, 512, 1024, 4096, 16_384, 65_535, 54 + // 262_144, 1_048_576, 55 + // ]; 56 57 + // xxx// b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b12, b16, b32, b64, b128, b256, b512, b1024, b4096, b16384, b65535, b262144, bmax 58 59 + // static DID_IDS_CF: &str = "did_ids"; 60 + // static TARGET_IDS_CF: &str = "target_ids"; 61 + // static TARGET_LINKERS_CF: &str = "target_links"; 62 63 + // const REPORT_INTERVAL: usize = 50_000; 64 65 + // type Stats = HashMap<SourceLink, Buckets>; 66 67 + // #[derive(Debug, Serialize)] 68 + // struct Printable { 69 + // collection: String, 70 + // path: String, 71 + // link_type: String, 72 + // target_collection: Option<String>, 73 + // buckets: Buckets, 74 + // } 75 76 + // #[derive(Debug, Default)] 77 + // struct ErrStats { 78 + // failed_to_get_sample: usize, 79 + // failed_to_read_target_id: usize, 80 + // failed_to_deserialize_target_key: usize, 81 + // failed_to_parse_target_as_link: usize, 82 + // failed_to_get_links: usize, 83 + // failed_to_deserialize_linkers: usize, 84 + // } 85 86 + // fn thousands(n: usize) -> String { 87 + // n.to_string() 88 + // .as_bytes() 89 + // .rchunks(3) 90 + // .rev() 91 + // .map(std::str::from_utf8) 92 + // .collect::<Result<Vec<&str>, _>>() 93 + // .unwrap() 94 + // .join(",") 95 + // } 96 97 + // fn main() { 98 + // let args = Args::parse(); 99 100 + // let limit = args.limit.map(|amount| { 101 + // ratelimit::Ratelimiter::builder(amount, time::Duration::from_secs(1)) 102 + // .max_tokens(amount) 103 + // .initial_available(amount) 104 + // .build() 105 + // .unwrap() 106 + // }); 107 108 + // eprintln!("starting rocksdb..."); 109 + // let rocks = RocksStorage::open_readonly(args.data).unwrap(); 110 + // eprintln!("rocks ready."); 111 112 + // let RocksStorage { ref db, .. } = rocks; 113 114 + // let stay_alive = CancellationToken::new(); 115 + // ctrlc::set_handler({ 116 + // let mut desperation: u8 = 0; 117 + // let stay_alive = stay_alive.clone(); 118 + // move || match desperation { 119 + // 0 => { 120 + // eprintln!("ok, shutting down..."); 121 + // stay_alive.cancel(); 122 + // desperation += 1; 123 + // } 124 + // 1.. => panic!("fine, panicking!"), 125 + // } 126 + // }) 127 + // .unwrap(); 128 129 + // let mut stats = Stats::new(); 130 + // let mut err_stats: ErrStats = Default::default(); 131 132 + // let did_ids_cf = db.cf_handle(DID_IDS_CF).unwrap(); 133 + // let target_id_cf = db.cf_handle(TARGET_IDS_CF).unwrap(); 134 + // let target_links_cf = db.cf_handle(TARGET_LINKERS_CF).unwrap(); 135 136 + // let t0 = time::Instant::now(); 137 + // let mut t_prev = t0; 138 139 + // let mut i = 0; 140 + // for item in db.iterator_cf(&target_id_cf, IteratorMode::Start) { 141 + // if stay_alive.is_cancelled() { 142 + // break; 143 + // } 144 145 + // if let Some(ref limiter) = limit { 146 + // if let Err(dur) = limiter.try_wait() { 147 + // std::thread::sleep(dur) 148 + // } 149 + // } 150 151 + // if i > 0 && i % REPORT_INTERVAL == 0 { 152 + // let now = time::Instant::now(); 153 + // let rate = (REPORT_INTERVAL as f32) / (now.duration_since(t_prev).as_secs_f32()); 154 + // eprintln!( 155 + // "{i}\t({}k)\t{:.2}\t{rate:.1}/s", 156 + // thousands(i / 1000), 157 + // t0.elapsed().as_secs_f32() 158 + // ); 159 + // t_prev = now; 160 + // } 161 + // i += 1; 162 163 + // let Ok((target_key, target_id)) = item else { 164 + // err_stats.failed_to_read_target_id += 1; 165 + // continue; 166 + // }; 167 168 + // let Ok(TargetKey(Target(target), collection, rpath)) = 169 + // _bincode_opts().deserialize(&target_key) 170 + // else { 171 + // err_stats.failed_to_deserialize_target_key += 1; 172 + // continue; 173 + // }; 174 175 + // let source = { 176 + // let Some(parsed) = parse_any_link(&target) else { 177 + // err_stats.failed_to_parse_target_as_link += 1; 178 + // continue; 179 + // }; 180 + // SourceLink( 181 + // collection, 182 + // rpath, 183 + // parsed.name().into(), 184 + // parsed.at_uri_collection().map(Collection), 185 + // ) 186 + // }; 187 188 + // let Ok(Some(links_raw)) = db.get_cf(&target_links_cf, &target_id) else { 189 + // err_stats.failed_to_get_links += 1; 190 + // continue; 191 + // }; 192 + // let Ok(linkers) = _bincode_opts().deserialize::<TargetLinkers>(&links_raw) else { 193 + // err_stats.failed_to_deserialize_linkers += 1; 194 + // continue; 195 + // }; 196 + // let (n, _) = linkers.count(); 197 198 + // if n == 0 { 199 + // continue; 200 + // } 201 202 + // let mut bucket = 0; 203 + // for edge in BUCKETS { 204 + // if n <= edge || bucket == 22 { 205 + // break; 206 + // } 207 + // bucket += 1; 208 + // } 209 210 + // let b = &mut stats.entry(source).or_default().0[bucket]; 211 + // b.count += 1; 212 + // b.sum += n; 213 + // if b.sample.is_none() { 214 + // let (DidId(did_id), RKey(k)) = &linkers.0[(n - 1) as usize]; 215 + // if let Ok(Some(did_bytes)) = db.get_cf(&did_ids_cf, did_id.to_be_bytes()) { 216 + // if let Ok(Did(did)) = _bincode_opts().deserialize(&did_bytes) { 217 + // b.sample = Some(SourceSample { 218 + // did, 219 + // rkey: k.clone(), 220 + // }); 221 + // } else { 222 + // err_stats.failed_to_get_sample += 1; 223 + // } 224 + // } else { 225 + // err_stats.failed_to_get_sample += 1; 226 + // } 227 + // } 228 229 + // // if i >= 40_000 { 230 + // // break; 231 + // // } 232 + // } 233 234 + // let dt = t0.elapsed(); 235 236 + // eprintln!("gathering stats for output..."); 237 238 + // let itemified = stats 239 + // .into_iter() 240 + // .map( 241 + // |( 242 + // SourceLink(Collection(collection), RPath(path), link_type, target_collection), 243 + // buckets, 244 + // )| Printable { 245 + // collection, 246 + // path, 247 + // link_type, 248 + // target_collection: target_collection.map(|Collection(c)| c), 249 + // buckets, 250 + // }, 251 + // ) 252 + // .collect::<Vec<_>>(); 253 254 + // match serde_json::to_string(&itemified) { 255 + // Ok(s) => println!("{s}"), 256 + // Err(e) => eprintln!("failed to serialize results: {e:?}"), 257 + // } 258 259 + // eprintln!( 260 + // "{} summarizing {} link targets in {:.1}s", 261 + // if stay_alive.is_cancelled() { 262 + // "STOPPED" 263 + // } else { 264 + // "FINISHED" 265 + // }, 266 + // thousands(i), 267 + // dt.as_secs_f32() 268 + // ); 269 + // eprintln!("{err_stats:?}"); 270 + // eprintln!("bye."); 271 + // } 272 273 + // xxx// scan plan 274 275 + // xxx// buckets (backlink count) 276 + // xxx// 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 32, 64, 128, 256, 512, 1024, 4096, 16384, 65535, 262144, 1048576+ 277 + // xxx// by 278 + // xxx// - collection 279 + // xxx// - json path 280 + // xxx// - link type 281 + // xxx// samples for each bucket for each variation 282 + fn main() {}

+2

constellation/src/bin/rocks-restore-from-backup.rs

··· 3 use clap::Parser; 4 use std::path::PathBuf; 5 0 6 use rocksdb::backup::{BackupEngine, BackupEngineOptions, RestoreOptions}; 7 8 use std::time; ··· 19 to_data_dir: PathBuf, 20 } 21 0 22 fn main() -> Result<()> { 23 let args = Args::parse(); 24

··· 3 use clap::Parser; 4 use std::path::PathBuf; 5 6 + #[cfg(feature = "rocks")] 7 use rocksdb::backup::{BackupEngine, BackupEngineOptions, RestoreOptions}; 8 9 use std::time; ··· 20 to_data_dir: PathBuf, 21 } 22 23 + #[cfg(feature = "rocks")] 24 fn main() -> Result<()> { 25 let args = Args::parse(); 26

+13 -6

constellation/src/consumer/jetstream.rs

··· 226 println!("jetstream closed the websocket cleanly."); 227 break; 228 } 229 - r => eprintln!("jetstream: close result after error: {r:?}"), 0 0 0 0 0 0 0 0 0 0 0 0 230 } 231 - counter!("jetstream_read_fail", "url" => stream.clone(), "reason" => "read error") 232 - .increment(1); 233 - // if we didn't immediately get ConnectionClosed, we should keep polling read 234 - // until we get it. 235 - continue; 236 } 237 }; 238

··· 226 println!("jetstream closed the websocket cleanly."); 227 break; 228 } 229 + Err(_) => { 230 + counter!("jetstream_read_fail", "url" => stream.clone(), "reason" => "dirty close").increment(1); 231 + println!("jetstream failed to close the websocket cleanly."); 232 + break; 233 + } 234 + Ok(r) => { 235 + eprintln!("jetstream: close result after error: {r:?}"); 236 + counter!("jetstream_read_fail", "url" => stream.clone(), "reason" => "read error") 237 + .increment(1); 238 + // if we didn't immediately get ConnectionClosed, we should keep polling read 239 + // until we get it. 240 + continue; 241 + } 242 } 0 0 0 0 0 243 } 244 }; 245

+8 -6

constellation/src/server/filters.rs

··· 5 Ok({ 6 if let Some(link) = parse_any_link(s) { 7 match link { 8 - Link::AtUri(at_uri) => at_uri.strip_prefix("at://").map(|noproto| { 9 - format!("https://atproto-browser-plus-links.vercel.app/at/{noproto}") 10 - }), 11 - Link::Did(did) => Some(format!( 12 - "https://atproto-browser-plus-links.vercel.app/at/{did}" 13 - )), 14 Link::Uri(uri) => Some(uri), 15 } 16 } else { ··· 22 pub fn human_number(n: &u64) -> askama::Result<String> { 23 Ok(n.to_formatted_string(&Locale::en)) 24 } 0 0 0 0

··· 5 Ok({ 6 if let Some(link) = parse_any_link(s) { 7 match link { 8 + Link::AtUri(at_uri) => at_uri 9 + .strip_prefix("at://") 10 + .map(|noproto| format!("https://pdsls.dev/at://{noproto}")), 11 + Link::Did(did) => Some(format!("https://pdsls.dev/at://{did}")), 0 0 12 Link::Uri(uri) => Some(uri), 13 } 14 } else { ··· 20 pub fn human_number(n: &u64) -> askama::Result<String> { 21 Ok(n.to_formatted_string(&Locale::en)) 22 } 23 + 24 + pub fn to_u64(n: usize) -> askama::Result<u64> { 25 + Ok(n as u64) 26 + }

+332 -19

constellation/src/server/mod.rs

··· 11 use bincode::Options; 12 use serde::{Deserialize, Serialize}; 13 use serde_with::serde_as; 14 - use std::collections::HashMap; 15 use std::time::{Duration, UNIX_EPOCH}; 16 use tokio::net::{TcpListener, ToSocketAddrs}; 17 - use tokio::task::block_in_place; 18 use tokio_util::sync::CancellationToken; 19 20 use crate::storage::{LinkReader, StorageStats}; ··· 28 const DEFAULT_CURSOR_LIMIT: u64 = 16; 29 const DEFAULT_CURSOR_LIMIT_MAX: u64 = 100; 30 31 - const INDEX_BEGAN_AT_TS: u64 = 1738083600; // TODO: not this 0 0 0 0 0 0 0 32 33 pub async fn serve<S, A>(store: S, addr: A, stay_alive: CancellationToken) -> anyhow::Result<()> 34 where ··· 41 "/", 42 get({ 43 let store = store.clone(); 44 - move |accept| async { block_in_place(|| hello(accept, store)) } 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 45 }), 46 ) 47 .route( 48 "/links/count", 49 get({ 50 let store = store.clone(); 51 - move |accept, query| async { block_in_place(|| count_links(accept, query, store)) } 0 0 0 0 52 }), 53 ) 54 .route( ··· 56 get({ 57 let store = store.clone(); 58 move |accept, query| async { 59 - block_in_place(|| count_distinct_dids(accept, query, store)) 0 0 0 0 0 0 0 0 0 0 0 0 0 60 } 61 }), 62 ) ··· 64 "/links", 65 get({ 66 let store = store.clone(); 67 - move |accept, query| async { block_in_place(|| get_links(accept, query, store)) } 0 0 0 0 68 }), 69 ) 70 .route( ··· 72 get({ 73 let store = store.clone(); 74 move |accept, query| async { 75 - block_in_place(|| get_distinct_dids(accept, query, store)) 0 0 76 } 77 }), 78 ) ··· 82 get({ 83 let store = store.clone(); 84 move |accept, query| async { 85 - block_in_place(|| count_all_links(accept, query, store)) 0 0 86 } 87 }), 88 ) ··· 91 get({ 92 let store = store.clone(); 93 move |accept, query| async { 94 - block_in_place(|| explore_links(accept, query, store)) 0 0 95 } 96 }), 97 ) ··· 150 #[template(path = "hello.html.j2")] 151 struct HelloReponse { 152 help: &'static str, 153 - days_indexed: u64, 154 stats: StorageStats, 155 } 156 fn hello( ··· 160 let stats = store 161 .get_stats() 162 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 163 - let days_indexed = (UNIX_EPOCH + Duration::from_secs(INDEX_BEGAN_AT_TS)) 164 - .elapsed() 0 0 165 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)? 166 - .as_secs() 167 - / 86400; 168 Ok(acceptable(accept, HelloReponse { 169 help: "open this URL in a web browser (or request with Accept: text/html) for information about this API.", 170 days_indexed, ··· 173 } 174 175 #[derive(Clone, Deserialize)] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 176 struct GetLinksCountQuery { 177 target: String, 178 collection: String, ··· 233 } 234 235 #[derive(Clone, Deserialize)] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 236 struct GetLinkItemsQuery { 237 target: String, 238 collection: String, 239 path: String, 240 cursor: Option<OpaqueApiCursor>, 241 - limit: Option<u64>, 0 0 0 0 0 0 0 0 0 0 0 0 0 0 242 // TODO: allow reverse (er, forward) order as well 243 } 244 #[derive(Template, Serialize)] ··· 255 } 256 fn get_links( 257 accept: ExtractAccept, 258 - query: Query<GetLinkItemsQuery>, 259 store: impl LinkReader, 260 ) -> Result<impl IntoResponse, http::StatusCode> { 261 let until = query ··· 265 .transpose()? 266 .map(|c| c.next); 267 268 - let limit = query.limit.unwrap_or(DEFAULT_CURSOR_LIMIT); 269 if limit > DEFAULT_CURSOR_LIMIT_MAX { 270 return Err(http::StatusCode::BAD_REQUEST); 271 } 272 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 273 let paged = store 274 - .get_links(&query.target, &query.collection, &query.path, limit, until) 0 0 0 0 0 0 0 275 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 276 277 let cursor = paged.next.map(|next| { ··· 433 OpaqueApiCursor(bincode::DefaultOptions::new().serialize(&item).unwrap()) 434 } 435 } 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 11 use bincode::Options; 12 use serde::{Deserialize, Serialize}; 13 use serde_with::serde_as; 14 + use std::collections::{HashMap, HashSet}; 15 use std::time::{Duration, UNIX_EPOCH}; 16 use tokio::net::{TcpListener, ToSocketAddrs}; 17 + use tokio::task::spawn_blocking; 18 use tokio_util::sync::CancellationToken; 19 20 use crate::storage::{LinkReader, StorageStats}; ··· 28 const DEFAULT_CURSOR_LIMIT: u64 = 16; 29 const DEFAULT_CURSOR_LIMIT_MAX: u64 = 100; 30 31 + fn get_default_cursor_limit() -> u64 { 32 + DEFAULT_CURSOR_LIMIT 33 + } 34 + 35 + fn to500(e: tokio::task::JoinError) -> http::StatusCode { 36 + eprintln!("handler error: {e}"); 37 + http::StatusCode::INTERNAL_SERVER_ERROR 38 + } 39 40 pub async fn serve<S, A>(store: S, addr: A, stay_alive: CancellationToken) -> anyhow::Result<()> 41 where ··· 48 "/", 49 get({ 50 let store = store.clone(); 51 + move |accept| async { 52 + spawn_blocking(|| hello(accept, store)) 53 + .await 54 + .map_err(to500)? 55 + } 56 + }), 57 + ) 58 + .route( 59 + "/xrpc/blue.microcosm.links.getManyToManyCounts", 60 + get({ 61 + let store = store.clone(); 62 + move |accept, query| async { 63 + spawn_blocking(|| get_many_to_many_counts(accept, query, store)) 64 + .await 65 + .map_err(to500)? 66 + } 67 }), 68 ) 69 .route( 70 "/links/count", 71 get({ 72 let store = store.clone(); 73 + move |accept, query| async { 74 + spawn_blocking(|| count_links(accept, query, store)) 75 + .await 76 + .map_err(to500)? 77 + } 78 }), 79 ) 80 .route( ··· 82 get({ 83 let store = store.clone(); 84 move |accept, query| async { 85 + spawn_blocking(|| count_distinct_dids(accept, query, store)) 86 + .await 87 + .map_err(to500)? 88 + } 89 + }), 90 + ) 91 + .route( 92 + "/xrpc/blue.microcosm.links.getBacklinks", 93 + get({ 94 + let store = store.clone(); 95 + move |accept, query| async { 96 + spawn_blocking(|| get_backlinks(accept, query, store)) 97 + .await 98 + .map_err(to500)? 99 } 100 }), 101 ) ··· 103 "/links", 104 get({ 105 let store = store.clone(); 106 + move |accept, query| async { 107 + spawn_blocking(|| get_links(accept, query, store)) 108 + .await 109 + .map_err(to500)? 110 + } 111 }), 112 ) 113 .route( ··· 115 get({ 116 let store = store.clone(); 117 move |accept, query| async { 118 + spawn_blocking(|| get_distinct_dids(accept, query, store)) 119 + .await 120 + .map_err(to500)? 121 } 122 }), 123 ) ··· 127 get({ 128 let store = store.clone(); 129 move |accept, query| async { 130 + spawn_blocking(|| count_all_links(accept, query, store)) 131 + .await 132 + .map_err(to500)? 133 } 134 }), 135 ) ··· 138 get({ 139 let store = store.clone(); 140 move |accept, query| async { 141 + spawn_blocking(|| explore_links(accept, query, store)) 142 + .await 143 + .map_err(to500)? 144 } 145 }), 146 ) ··· 199 #[template(path = "hello.html.j2")] 200 struct HelloReponse { 201 help: &'static str, 202 + days_indexed: Option<u64>, 203 stats: StorageStats, 204 } 205 fn hello( ··· 209 let stats = store 210 .get_stats() 211 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 212 + let days_indexed = stats 213 + .started_at 214 + .map(|c| (UNIX_EPOCH + Duration::from_micros(c)).elapsed()) 215 + .transpose() 216 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)? 217 + .map(|d| d.as_secs() / 86_400); 0 218 Ok(acceptable(accept, HelloReponse { 219 help: "open this URL in a web browser (or request with Accept: text/html) for information about this API.", 220 days_indexed, ··· 223 } 224 225 #[derive(Clone, Deserialize)] 226 + #[serde(rename_all = "camelCase")] 227 + struct GetManyToManyCountsQuery { 228 + subject: String, 229 + source: String, 230 + /// path to the secondary link in the linking record 231 + path_to_other: String, 232 + /// filter to linking records (join of the m2m) by these DIDs 233 + #[serde(default)] 234 + did: Vec<String>, 235 + /// filter to specific secondary records 236 + #[serde(default)] 237 + other_subject: Vec<String>, 238 + cursor: Option<OpaqueApiCursor>, 239 + /// Set the max number of links to return per page of results 240 + #[serde(default = "get_default_cursor_limit")] 241 + limit: u64, 242 + } 243 + #[derive(Serialize)] 244 + struct OtherSubjectCount { 245 + subject: String, 246 + total: u64, 247 + distinct: u64, 248 + } 249 + #[derive(Template, Serialize)] 250 + #[template(path = "get-many-to-many-counts.html.j2")] 251 + struct GetManyToManyCountsResponse { 252 + counts_by_other_subject: Vec<OtherSubjectCount>, 253 + cursor: Option<OpaqueApiCursor>, 254 + #[serde(skip_serializing)] 255 + query: GetManyToManyCountsQuery, 256 + } 257 + fn get_many_to_many_counts( 258 + accept: ExtractAccept, 259 + query: axum_extra::extract::Query<GetManyToManyCountsQuery>, 260 + store: impl LinkReader, 261 + ) -> Result<impl IntoResponse, http::StatusCode> { 262 + let cursor_key = query 263 + .cursor 264 + .clone() 265 + .map(|oc| ApiKeyedCursor::try_from(oc).map_err(|_| http::StatusCode::BAD_REQUEST)) 266 + .transpose()? 267 + .map(|c| c.next); 268 + 269 + let limit = query.limit; 270 + if limit > DEFAULT_CURSOR_LIMIT_MAX { 271 + return Err(http::StatusCode::BAD_REQUEST); 272 + } 273 + 274 + let filter_dids: HashSet<Did> = HashSet::from_iter( 275 + query 276 + .did 277 + .iter() 278 + .map(|d| d.trim()) 279 + .filter(|d| !d.is_empty()) 280 + .map(|d| Did(d.to_string())), 281 + ); 282 + 283 + let filter_other_subjects: HashSet<String> = HashSet::from_iter( 284 + query 285 + .other_subject 286 + .iter() 287 + .map(|s| s.trim().to_string()) 288 + .filter(|s| !s.is_empty()), 289 + ); 290 + 291 + let Some((collection, path)) = query.source.split_once(':') else { 292 + return Err(http::StatusCode::BAD_REQUEST); 293 + }; 294 + let path = format!(".{path}"); 295 + 296 + let path_to_other = format!(".{}", query.path_to_other); 297 + 298 + let paged = store 299 + .get_many_to_many_counts( 300 + &query.subject, 301 + collection, 302 + &path, 303 + &path_to_other, 304 + limit, 305 + cursor_key, 306 + &filter_dids, 307 + &filter_other_subjects, 308 + ) 309 + .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 310 + 311 + let cursor = paged.next.map(|next| ApiKeyedCursor { next }.into()); 312 + 313 + let items = paged 314 + .items 315 + .into_iter() 316 + .map(|(subject, total, distinct)| OtherSubjectCount { 317 + subject, 318 + total, 319 + distinct, 320 + }) 321 + .collect(); 322 + 323 + Ok(acceptable( 324 + accept, 325 + GetManyToManyCountsResponse { 326 + counts_by_other_subject: items, 327 + cursor, 328 + query: (*query).clone(), 329 + }, 330 + )) 331 + } 332 + 333 + #[derive(Clone, Deserialize)] 334 struct GetLinksCountQuery { 335 target: String, 336 collection: String, ··· 391 } 392 393 #[derive(Clone, Deserialize)] 394 + struct GetBacklinksQuery { 395 + /// The link target 396 + /// 397 + /// can be an AT-URI, plain DID, or regular URI 398 + subject: String, 399 + /// Filter links only from this link source 400 + /// 401 + /// eg.: `app.bsky.feed.like:subject.uri` 402 + source: String, 403 + cursor: Option<OpaqueApiCursor>, 404 + /// Filter links only from these DIDs 405 + /// 406 + /// include multiple times to filter by multiple source DIDs 407 + #[serde(default)] 408 + did: Vec<String>, 409 + /// Set the max number of links to return per page of results 410 + #[serde(default = "get_default_cursor_limit")] 411 + limit: u64, 412 + // TODO: allow reverse (er, forward) order as well 413 + } 414 + #[derive(Template, Serialize)] 415 + #[template(path = "get-backlinks.html.j2")] 416 + struct GetBacklinksResponse { 417 + total: u64, 418 + records: Vec<RecordId>, 419 + cursor: Option<OpaqueApiCursor>, 420 + #[serde(skip_serializing)] 421 + query: GetBacklinksQuery, 422 + #[serde(skip_serializing)] 423 + collection: String, 424 + #[serde(skip_serializing)] 425 + path: String, 426 + } 427 + fn get_backlinks( 428 + accept: ExtractAccept, 429 + query: axum_extra::extract::Query<GetBacklinksQuery>, // supports multiple param occurrences 430 + store: impl LinkReader, 431 + ) -> Result<impl IntoResponse, http::StatusCode> { 432 + let until = query 433 + .cursor 434 + .clone() 435 + .map(|oc| ApiCursor::try_from(oc).map_err(|_| http::StatusCode::BAD_REQUEST)) 436 + .transpose()? 437 + .map(|c| c.next); 438 + 439 + let limit = query.limit; 440 + if limit > DEFAULT_CURSOR_LIMIT_MAX { 441 + return Err(http::StatusCode::BAD_REQUEST); 442 + } 443 + 444 + let filter_dids: HashSet<Did> = HashSet::from_iter( 445 + query 446 + .did 447 + .iter() 448 + .map(|d| d.trim()) 449 + .filter(|d| !d.is_empty()) 450 + .map(|d| Did(d.to_string())), 451 + ); 452 + 453 + let Some((collection, path)) = query.source.split_once(':') else { 454 + return Err(http::StatusCode::BAD_REQUEST); 455 + }; 456 + let path = format!(".{path}"); 457 + 458 + let paged = store 459 + .get_links( 460 + &query.subject, 461 + collection, 462 + &path, 463 + limit, 464 + until, 465 + &filter_dids, 466 + ) 467 + .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 468 + 469 + let cursor = paged.next.map(|next| { 470 + ApiCursor { 471 + version: paged.version, 472 + next, 473 + } 474 + .into() 475 + }); 476 + 477 + Ok(acceptable( 478 + accept, 479 + GetBacklinksResponse { 480 + total: paged.total, 481 + records: paged.items, 482 + cursor, 483 + query: (*query).clone(), 484 + collection: collection.to_string(), 485 + path, 486 + }, 487 + )) 488 + } 489 + 490 + #[derive(Clone, Deserialize)] 491 struct GetLinkItemsQuery { 492 target: String, 493 collection: String, 494 path: String, 495 cursor: Option<OpaqueApiCursor>, 496 + /// Filter links only from these DIDs 497 + /// 498 + /// include multiple times to filter by multiple source DIDs 499 + #[serde(default)] 500 + did: Vec<String>, 501 + /// [deprecated] Filter links only from these DIDs 502 + /// 503 + /// format: comma-separated sequence of DIDs 504 + /// 505 + /// errors: if `did` parameter is also present 506 + /// 507 + /// deprecated: use `did`, which can be repeated multiple times 508 + from_dids: Option<String>, // comma separated: gross 509 + #[serde(default = "get_default_cursor_limit")] 510 + limit: u64, 511 // TODO: allow reverse (er, forward) order as well 512 } 513 #[derive(Template, Serialize)] ··· 524 } 525 fn get_links( 526 accept: ExtractAccept, 527 + query: axum_extra::extract::Query<GetLinkItemsQuery>, // supports multiple param occurrences 528 store: impl LinkReader, 529 ) -> Result<impl IntoResponse, http::StatusCode> { 530 let until = query ··· 534 .transpose()? 535 .map(|c| c.next); 536 537 + let limit = query.limit; 538 if limit > DEFAULT_CURSOR_LIMIT_MAX { 539 return Err(http::StatusCode::BAD_REQUEST); 540 } 541 542 + let mut filter_dids: HashSet<Did> = HashSet::from_iter( 543 + query 544 + .did 545 + .iter() 546 + .map(|d| d.trim()) 547 + .filter(|d| !d.is_empty()) 548 + .map(|d| Did(d.to_string())), 549 + ); 550 + 551 + if let Some(comma_joined) = &query.from_dids { 552 + if !filter_dids.is_empty() { 553 + return Err(http::StatusCode::BAD_REQUEST); 554 + } 555 + for did in comma_joined.split(',') { 556 + filter_dids.insert(Did(did.to_string())); 557 + } 558 + } 559 + 560 let paged = store 561 + .get_links( 562 + &query.target, 563 + &query.collection, 564 + &query.path, 565 + limit, 566 + until, 567 + &filter_dids, 568 + ) 569 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 570 571 let cursor = paged.next.map(|next| { ··· 727 OpaqueApiCursor(bincode::DefaultOptions::new().serialize(&item).unwrap()) 728 } 729 } 730 + 731 + #[derive(Serialize, Deserialize)] // for bincode 732 + struct ApiKeyedCursor { 733 + next: String, // the key 734 + } 735 + 736 + impl TryFrom<OpaqueApiCursor> for ApiKeyedCursor { 737 + type Error = bincode::Error; 738 + 739 + fn try_from(item: OpaqueApiCursor) -> Result<Self, Self::Error> { 740 + bincode::DefaultOptions::new().deserialize(&item.0) 741 + } 742 + } 743 + 744 + impl From<ApiKeyedCursor> for OpaqueApiCursor { 745 + fn from(item: ApiKeyedCursor) -> Self { 746 + OpaqueApiCursor(bincode::DefaultOptions::new().serialize(&item).unwrap()) 747 + } 748 + }

+93 -1

constellation/src/storage/mem_store.rs

··· 1 - use super::{LinkReader, LinkStorage, PagedAppendingCollection, StorageStats}; 0 0 2 use crate::{ActionableEvent, CountsByCount, Did, RecordId}; 3 use anyhow::Result; 4 use links::CollectedLink; ··· 132 } 133 134 impl LinkReader for MemStorage { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 135 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64> { 136 let data = self.0.lock().unwrap(); 137 let Some(paths) = data.targets.get(&Target::new(target)) else { ··· 166 path: &str, 167 limit: u64, 168 until: Option<u64>, 0 169 ) -> Result<PagedAppendingCollection<RecordId>> { 170 let data = self.0.lock().unwrap(); 171 let Some(paths) = data.targets.get(&Target::new(target)) else { ··· 183 next: None, 184 total: 0, 185 }); 0 0 0 0 0 0 0 0 0 0 0 0 0 0 186 }; 187 188 let total = did_rkeys.len(); ··· 338 dids, 339 targetables, 340 linking_records, 0 0 341 }) 342 } 343 }

··· 1 + use super::{ 2 + LinkReader, LinkStorage, PagedAppendingCollection, PagedOrderedCollection, StorageStats, 3 + }; 4 use crate::{ActionableEvent, CountsByCount, Did, RecordId}; 5 use anyhow::Result; 6 use links::CollectedLink; ··· 134 } 135 136 impl LinkReader for MemStorage { 137 + fn get_many_to_many_counts( 138 + &self, 139 + target: &str, 140 + collection: &str, 141 + path: &str, 142 + path_to_other: &str, 143 + limit: u64, 144 + after: Option<String>, 145 + filter_dids: &HashSet<Did>, 146 + filter_to_targets: &HashSet<String>, 147 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>> { 148 + let data = self.0.lock().unwrap(); 149 + let Some(paths) = data.targets.get(&Target::new(target)) else { 150 + return Ok(PagedOrderedCollection::default()); 151 + }; 152 + let Some(linkers) = paths.get(&Source::new(collection, path)) else { 153 + return Ok(PagedOrderedCollection::default()); 154 + }; 155 + 156 + let path_to_other = RecordPath::new(path_to_other); 157 + let filter_to_targets: HashSet<Target> = 158 + HashSet::from_iter(filter_to_targets.iter().map(|s| Target::new(s))); 159 + 160 + let mut grouped_counts: HashMap<Target, (u64, HashSet<Did>)> = HashMap::new(); 161 + for (did, rkey) in linkers.iter().flatten().cloned() { 162 + if !filter_dids.is_empty() && !filter_dids.contains(&did) { 163 + continue; 164 + } 165 + if let Some(fwd_target) = data 166 + .links 167 + .get(&did) 168 + .unwrap_or(&HashMap::new()) 169 + .get(&RepoId { 170 + collection: collection.to_string(), 171 + rkey, 172 + }) 173 + .unwrap_or(&Vec::new()) 174 + .iter() 175 + .filter_map(|(path, target)| { 176 + if *path == path_to_other 177 + && (filter_to_targets.is_empty() || filter_to_targets.contains(target)) 178 + { 179 + Some(target) 180 + } else { 181 + None 182 + } 183 + }) 184 + .take(1) 185 + .next() 186 + { 187 + let e = grouped_counts.entry(fwd_target.clone()).or_default(); 188 + e.0 += 1; 189 + e.1.insert(did.clone()); 190 + } 191 + } 192 + let mut items: Vec<(String, u64, u64)> = grouped_counts 193 + .iter() 194 + .map(|(k, (n, u))| (k.0.clone(), *n, u.len() as u64)) 195 + .collect(); 196 + items.sort(); 197 + items = items 198 + .into_iter() 199 + .skip_while(|(t, _, _)| after.as_ref().map(|a| t <= a).unwrap_or(false)) 200 + .take(limit as usize) 201 + .collect(); 202 + let next = if items.len() as u64 >= limit { 203 + items.last().map(|(t, _, _)| t.clone()) 204 + } else { 205 + None 206 + }; 207 + Ok(PagedOrderedCollection { items, next }) 208 + } 209 + 210 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64> { 211 let data = self.0.lock().unwrap(); 212 let Some(paths) = data.targets.get(&Target::new(target)) else { ··· 241 path: &str, 242 limit: u64, 243 until: Option<u64>, 244 + filter_dids: &HashSet<Did>, 245 ) -> Result<PagedAppendingCollection<RecordId>> { 246 let data = self.0.lock().unwrap(); 247 let Some(paths) = data.targets.get(&Target::new(target)) else { ··· 259 next: None, 260 total: 0, 261 }); 262 + }; 263 + 264 + let did_rkeys: Vec<_> = if !filter_dids.is_empty() { 265 + did_rkeys 266 + .iter() 267 + .filter(|m| { 268 + Option::<(Did, RKey)>::clone(m) 269 + .map(|(did, _)| filter_dids.contains(&did)) 270 + .unwrap_or(false) 271 + }) 272 + .cloned() 273 + .collect() 274 + } else { 275 + did_rkeys.to_vec() 276 }; 277 278 let total = did_rkeys.len(); ··· 428 dids, 429 targetables, 430 linking_records, 431 + started_at: None, 432 + other_data: Default::default(), 433 }) 434 } 435 }

+484 -14

constellation/src/storage/mod.rs

··· 1 use crate::{ActionableEvent, CountsByCount, Did, RecordId}; 2 use anyhow::Result; 3 use serde::{Deserialize, Serialize}; 4 - use std::collections::HashMap; 5 6 pub mod mem_store; 7 pub use mem_store::MemStorage; ··· 19 pub total: u64, 20 } 21 0 0 0 0 0 0 0 0 0 0 0 22 #[derive(Debug, Deserialize, Serialize, PartialEq)] 23 pub struct StorageStats { 24 /// estimate of how many accounts we've seen create links. the _subjects_ of any links are not represented here. ··· 33 /// records with multiple links are single-counted. 34 /// for LSM stores, deleted links don't decrement this, and updated records with any links will likely increment it. 35 pub linking_records: u64, 0 0 0 0 0 0 36 } 37 38 pub trait LinkStorage: Send + Sync { ··· 48 } 49 50 pub trait LinkReader: Clone + Send + Sync + 'static { 0 0 0 0 0 0 0 0 0 0 0 0 0 51 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64>; 52 53 fn get_distinct_did_count(&self, target: &str, collection: &str, path: &str) -> Result<u64>; ··· 59 path: &str, 60 limit: u64, 61 until: Option<u64>, 0 62 ) -> Result<PagedAppendingCollection<RecordId>>; 63 64 fn get_distinct_dids( ··· 145 ); 146 assert_eq!(storage.get_distinct_did_count("", "", "")?, 0); 147 assert_eq!( 148 - storage.get_links("a.com", "app.t.c", ".abc.uri", 100, None)?, 0 0 0 0 0 0 0 149 PagedAppendingCollection { 150 version: (0, 0), 151 items: vec![], ··· 641 0, 642 )?; 643 assert_eq!( 644 - storage.get_links("a.com", "app.t.c", ".abc.uri", 100, None)?, 0 0 0 0 0 0 0 645 PagedAppendingCollection { 646 version: (1, 0), 647 items: vec![RecordId { ··· 682 0, 683 )?; 684 } 685 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 0 686 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, None)?; 687 assert_eq!( 688 links, ··· 713 total: 5, 714 } 715 ); 716 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 0 0 0 0 0 0 0 717 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, dids.next)?; 718 assert_eq!( 719 links, ··· 744 total: 5, 745 } 746 ); 747 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 0 0 0 0 0 0 0 748 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, dids.next)?; 749 assert_eq!( 750 links, ··· 771 assert_stats(storage.get_stats()?, 5..=5, 1..=1, 5..=5); 772 }); 773 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 774 test_each_storage!(get_links_exact_multiple, |storage| { 775 for i in 1..=4 { 776 storage.push( ··· 788 0, 789 )?; 790 } 791 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 0 792 assert_eq!( 793 links, 794 PagedAppendingCollection { ··· 809 total: 4, 810 } 811 ); 812 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 0 0 0 0 0 0 0 813 assert_eq!( 814 links, 815 PagedAppendingCollection { ··· 850 0, 851 )?; 852 } 853 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 0 854 assert_eq!( 855 links, 856 PagedAppendingCollection { ··· 885 }, 886 0, 887 )?; 888 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 0 0 0 0 0 0 0 889 assert_eq!( 890 links, 891 PagedAppendingCollection { ··· 926 0, 927 )?; 928 } 929 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 0 930 assert_eq!( 931 links, 932 PagedAppendingCollection { ··· 955 }), 956 0, 957 )?; 958 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 0 0 0 0 0 0 0 959 assert_eq!( 960 links, 961 PagedAppendingCollection { ··· 989 0, 990 )?; 991 } 992 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 0 993 assert_eq!( 994 links, 995 PagedAppendingCollection { ··· 1014 &ActionableEvent::DeactivateAccount("did:plc:asdf-1".into()), 1015 0, 1016 )?; 1017 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 0 0 0 0 0 0 0 1018 assert_eq!( 1019 links, 1020 PagedAppendingCollection { ··· 1081 counts 1082 }); 1083 assert_stats(storage.get_stats()?, 1..=1, 2..=2, 1..=1); 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1084 }); 1085 }

··· 1 use crate::{ActionableEvent, CountsByCount, Did, RecordId}; 2 use anyhow::Result; 3 use serde::{Deserialize, Serialize}; 4 + use std::collections::{HashMap, HashSet}; 5 6 pub mod mem_store; 7 pub use mem_store::MemStorage; ··· 19 pub total: u64, 20 } 21 22 + /// A paged collection whose keys are sorted instead of indexed 23 + /// 24 + /// this has weaker guarantees than PagedAppendingCollection: it might 25 + /// return a totally consistent snapshot. but it should avoid duplicates 26 + /// and each page should at least be internally consistent. 27 + #[derive(Debug, PartialEq, Default)] 28 + pub struct PagedOrderedCollection<T, K: Ord> { 29 + pub items: Vec<T>, 30 + pub next: Option<K>, 31 + } 32 + 33 #[derive(Debug, Deserialize, Serialize, PartialEq)] 34 pub struct StorageStats { 35 /// estimate of how many accounts we've seen create links. the _subjects_ of any links are not represented here. ··· 44 /// records with multiple links are single-counted. 45 /// for LSM stores, deleted links don't decrement this, and updated records with any links will likely increment it. 46 pub linking_records: u64, 47 + 48 + /// first jetstream cursor when this instance first started 49 + pub started_at: Option<u64>, 50 + 51 + /// anything else we want to throw in 52 + pub other_data: HashMap<String, u64>, 53 } 54 55 pub trait LinkStorage: Send + Sync { ··· 65 } 66 67 pub trait LinkReader: Clone + Send + Sync + 'static { 68 + #[allow(clippy::too_many_arguments)] 69 + fn get_many_to_many_counts( 70 + &self, 71 + target: &str, 72 + collection: &str, 73 + path: &str, 74 + path_to_other: &str, 75 + limit: u64, 76 + after: Option<String>, 77 + filter_dids: &HashSet<Did>, 78 + filter_to_targets: &HashSet<String>, 79 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>>; 80 + 81 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64>; 82 83 fn get_distinct_did_count(&self, target: &str, collection: &str, path: &str) -> Result<u64>; ··· 89 path: &str, 90 limit: u64, 91 until: Option<u64>, 92 + filter_dids: &HashSet<Did>, 93 ) -> Result<PagedAppendingCollection<RecordId>>; 94 95 fn get_distinct_dids( ··· 176 ); 177 assert_eq!(storage.get_distinct_did_count("", "", "")?, 0); 178 assert_eq!( 179 + storage.get_links( 180 + "a.com", 181 + "app.t.c", 182 + ".abc.uri", 183 + 100, 184 + None, 185 + &HashSet::default() 186 + )?, 187 PagedAppendingCollection { 188 version: (0, 0), 189 items: vec![], ··· 679 0, 680 )?; 681 assert_eq!( 682 + storage.get_links( 683 + "a.com", 684 + "app.t.c", 685 + ".abc.uri", 686 + 100, 687 + None, 688 + &HashSet::default() 689 + )?, 690 PagedAppendingCollection { 691 version: (1, 0), 692 items: vec![RecordId { ··· 727 0, 728 )?; 729 } 730 + let links = 731 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 732 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, None)?; 733 assert_eq!( 734 links, ··· 759 total: 5, 760 } 761 ); 762 + let links = storage.get_links( 763 + "a.com", 764 + "app.t.c", 765 + ".abc.uri", 766 + 2, 767 + links.next, 768 + &HashSet::default(), 769 + )?; 770 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, dids.next)?; 771 assert_eq!( 772 links, ··· 797 total: 5, 798 } 799 ); 800 + let links = storage.get_links( 801 + "a.com", 802 + "app.t.c", 803 + ".abc.uri", 804 + 2, 805 + links.next, 806 + &HashSet::default(), 807 + )?; 808 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, dids.next)?; 809 assert_eq!( 810 links, ··· 831 assert_stats(storage.get_stats()?, 5..=5, 1..=1, 5..=5); 832 }); 833 834 + test_each_storage!(get_filtered_links, |storage| { 835 + let links = storage.get_links( 836 + "a.com", 837 + "app.t.c", 838 + ".abc.uri", 839 + 2, 840 + None, 841 + &HashSet::from([Did("did:plc:linker".to_string())]), 842 + )?; 843 + assert_eq!( 844 + links, 845 + PagedAppendingCollection { 846 + version: (0, 0), 847 + items: vec![], 848 + next: None, 849 + total: 0, 850 + } 851 + ); 852 + 853 + storage.push( 854 + &ActionableEvent::CreateLinks { 855 + record_id: RecordId { 856 + did: "did:plc:linker".into(), 857 + collection: "app.t.c".into(), 858 + rkey: "asdf".into(), 859 + }, 860 + links: vec![CollectedLink { 861 + target: Link::Uri("a.com".into()), 862 + path: ".abc.uri".into(), 863 + }], 864 + }, 865 + 0, 866 + )?; 867 + 868 + let links = storage.get_links( 869 + "a.com", 870 + "app.t.c", 871 + ".abc.uri", 872 + 2, 873 + None, 874 + &HashSet::from([Did("did:plc:linker".to_string())]), 875 + )?; 876 + assert_eq!( 877 + links, 878 + PagedAppendingCollection { 879 + version: (1, 0), 880 + items: vec![RecordId { 881 + did: "did:plc:linker".into(), 882 + collection: "app.t.c".into(), 883 + rkey: "asdf".into(), 884 + },], 885 + next: None, 886 + total: 1, 887 + } 888 + ); 889 + 890 + let links = storage.get_links( 891 + "a.com", 892 + "app.t.c", 893 + ".abc.uri", 894 + 2, 895 + None, 896 + &HashSet::from([Did("did:plc:someone-else".to_string())]), 897 + )?; 898 + assert_eq!( 899 + links, 900 + PagedAppendingCollection { 901 + version: (0, 0), 902 + items: vec![], 903 + next: None, 904 + total: 0, 905 + } 906 + ); 907 + 908 + storage.push( 909 + &ActionableEvent::CreateLinks { 910 + record_id: RecordId { 911 + did: "did:plc:linker".into(), 912 + collection: "app.t.c".into(), 913 + rkey: "asdf-2".into(), 914 + }, 915 + links: vec![CollectedLink { 916 + target: Link::Uri("a.com".into()), 917 + path: ".abc.uri".into(), 918 + }], 919 + }, 920 + 0, 921 + )?; 922 + storage.push( 923 + &ActionableEvent::CreateLinks { 924 + record_id: RecordId { 925 + did: "did:plc:someone-else".into(), 926 + collection: "app.t.c".into(), 927 + rkey: "asdf".into(), 928 + }, 929 + links: vec![CollectedLink { 930 + target: Link::Uri("a.com".into()), 931 + path: ".abc.uri".into(), 932 + }], 933 + }, 934 + 0, 935 + )?; 936 + 937 + let links = storage.get_links( 938 + "a.com", 939 + "app.t.c", 940 + ".abc.uri", 941 + 2, 942 + None, 943 + &HashSet::from([Did("did:plc:linker".to_string())]), 944 + )?; 945 + assert_eq!( 946 + links, 947 + PagedAppendingCollection { 948 + version: (2, 0), 949 + items: vec![ 950 + RecordId { 951 + did: "did:plc:linker".into(), 952 + collection: "app.t.c".into(), 953 + rkey: "asdf-2".into(), 954 + }, 955 + RecordId { 956 + did: "did:plc:linker".into(), 957 + collection: "app.t.c".into(), 958 + rkey: "asdf".into(), 959 + }, 960 + ], 961 + next: None, 962 + total: 2, 963 + } 964 + ); 965 + 966 + let links = storage.get_links( 967 + "a.com", 968 + "app.t.c", 969 + ".abc.uri", 970 + 2, 971 + None, 972 + &HashSet::from([ 973 + Did("did:plc:linker".to_string()), 974 + Did("did:plc:someone-else".to_string()), 975 + ]), 976 + )?; 977 + assert_eq!( 978 + links, 979 + PagedAppendingCollection { 980 + version: (3, 0), 981 + items: vec![ 982 + RecordId { 983 + did: "did:plc:someone-else".into(), 984 + collection: "app.t.c".into(), 985 + rkey: "asdf".into(), 986 + }, 987 + RecordId { 988 + did: "did:plc:linker".into(), 989 + collection: "app.t.c".into(), 990 + rkey: "asdf-2".into(), 991 + }, 992 + ], 993 + next: Some(1), 994 + total: 3, 995 + } 996 + ); 997 + 998 + let links = storage.get_links( 999 + "a.com", 1000 + "app.t.c", 1001 + ".abc.uri", 1002 + 2, 1003 + None, 1004 + &HashSet::from([Did("did:plc:someone-unknown".to_string())]), 1005 + )?; 1006 + assert_eq!( 1007 + links, 1008 + PagedAppendingCollection { 1009 + version: (0, 0), 1010 + items: vec![], 1011 + next: None, 1012 + total: 0, 1013 + } 1014 + ); 1015 + }); 1016 + 1017 test_each_storage!(get_links_exact_multiple, |storage| { 1018 for i in 1..=4 { 1019 storage.push( ··· 1031 0, 1032 )?; 1033 } 1034 + let links = 1035 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 1036 assert_eq!( 1037 links, 1038 PagedAppendingCollection { ··· 1053 total: 4, 1054 } 1055 ); 1056 + let links = storage.get_links( 1057 + "a.com", 1058 + "app.t.c", 1059 + ".abc.uri", 1060 + 2, 1061 + links.next, 1062 + &HashSet::default(), 1063 + )?; 1064 assert_eq!( 1065 links, 1066 PagedAppendingCollection { ··· 1101 0, 1102 )?; 1103 } 1104 + let links = 1105 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 1106 assert_eq!( 1107 links, 1108 PagedAppendingCollection { ··· 1137 }, 1138 0, 1139 )?; 1140 + let links = storage.get_links( 1141 + "a.com", 1142 + "app.t.c", 1143 + ".abc.uri", 1144 + 2, 1145 + links.next, 1146 + &HashSet::default(), 1147 + )?; 1148 assert_eq!( 1149 links, 1150 PagedAppendingCollection { ··· 1185 0, 1186 )?; 1187 } 1188 + let links = 1189 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 1190 assert_eq!( 1191 links, 1192 PagedAppendingCollection { ··· 1215 }), 1216 0, 1217 )?; 1218 + let links = storage.get_links( 1219 + "a.com", 1220 + "app.t.c", 1221 + ".abc.uri", 1222 + 2, 1223 + links.next, 1224 + &HashSet::default(), 1225 + )?; 1226 assert_eq!( 1227 links, 1228 PagedAppendingCollection { ··· 1256 0, 1257 )?; 1258 } 1259 + let links = 1260 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 1261 assert_eq!( 1262 links, 1263 PagedAppendingCollection { ··· 1282 &ActionableEvent::DeactivateAccount("did:plc:asdf-1".into()), 1283 0, 1284 )?; 1285 + let links = storage.get_links( 1286 + "a.com", 1287 + "app.t.c", 1288 + ".abc.uri", 1289 + 2, 1290 + links.next, 1291 + &HashSet::default(), 1292 + )?; 1293 assert_eq!( 1294 links, 1295 PagedAppendingCollection { ··· 1356 counts 1357 }); 1358 assert_stats(storage.get_stats()?, 1..=1, 2..=2, 1..=1); 1359 + }); 1360 + 1361 + //////// many-to-many ///////// 1362 + 1363 + test_each_storage!(get_m2m_counts_empty, |storage| { 1364 + assert_eq!( 1365 + storage.get_many_to_many_counts( 1366 + "a.com", 1367 + "a.b.c", 1368 + ".d.e", 1369 + ".f.g", 1370 + 10, 1371 + None, 1372 + &HashSet::new(), 1373 + &HashSet::new(), 1374 + )?, 1375 + PagedOrderedCollection { 1376 + items: vec![], 1377 + next: None, 1378 + } 1379 + ); 1380 + }); 1381 + 1382 + test_each_storage!(get_m2m_counts_single, |storage| { 1383 + storage.push( 1384 + &ActionableEvent::CreateLinks { 1385 + record_id: RecordId { 1386 + did: "did:plc:asdf".into(), 1387 + collection: "app.t.c".into(), 1388 + rkey: "asdf".into(), 1389 + }, 1390 + links: vec![ 1391 + CollectedLink { 1392 + target: Link::Uri("a.com".into()), 1393 + path: ".abc.uri".into(), 1394 + }, 1395 + CollectedLink { 1396 + target: Link::Uri("b.com".into()), 1397 + path: ".def.uri".into(), 1398 + }, 1399 + CollectedLink { 1400 + target: Link::Uri("b.com".into()), 1401 + path: ".ghi.uri".into(), 1402 + }, 1403 + ], 1404 + }, 1405 + 0, 1406 + )?; 1407 + assert_eq!( 1408 + storage.get_many_to_many_counts( 1409 + "a.com", 1410 + "app.t.c", 1411 + ".abc.uri", 1412 + ".def.uri", 1413 + 10, 1414 + None, 1415 + &HashSet::new(), 1416 + &HashSet::new(), 1417 + )?, 1418 + PagedOrderedCollection { 1419 + items: vec![("b.com".to_string(), 1, 1)], 1420 + next: None, 1421 + } 1422 + ); 1423 + }); 1424 + 1425 + test_each_storage!(get_m2m_counts_filters, |storage| { 1426 + storage.push( 1427 + &ActionableEvent::CreateLinks { 1428 + record_id: RecordId { 1429 + did: "did:plc:asdf".into(), 1430 + collection: "app.t.c".into(), 1431 + rkey: "asdf".into(), 1432 + }, 1433 + links: vec![ 1434 + CollectedLink { 1435 + target: Link::Uri("a.com".into()), 1436 + path: ".abc.uri".into(), 1437 + }, 1438 + CollectedLink { 1439 + target: Link::Uri("b.com".into()), 1440 + path: ".def.uri".into(), 1441 + }, 1442 + ], 1443 + }, 1444 + 0, 1445 + )?; 1446 + storage.push( 1447 + &ActionableEvent::CreateLinks { 1448 + record_id: RecordId { 1449 + did: "did:plc:asdfasdf".into(), 1450 + collection: "app.t.c".into(), 1451 + rkey: "asdf".into(), 1452 + }, 1453 + links: vec![ 1454 + CollectedLink { 1455 + target: Link::Uri("a.com".into()), 1456 + path: ".abc.uri".into(), 1457 + }, 1458 + CollectedLink { 1459 + target: Link::Uri("b.com".into()), 1460 + path: ".def.uri".into(), 1461 + }, 1462 + ], 1463 + }, 1464 + 1, 1465 + )?; 1466 + storage.push( 1467 + &ActionableEvent::CreateLinks { 1468 + record_id: RecordId { 1469 + did: "did:plc:fdsa".into(), 1470 + collection: "app.t.c".into(), 1471 + rkey: "asdf".into(), 1472 + }, 1473 + links: vec![ 1474 + CollectedLink { 1475 + target: Link::Uri("a.com".into()), 1476 + path: ".abc.uri".into(), 1477 + }, 1478 + CollectedLink { 1479 + target: Link::Uri("c.com".into()), 1480 + path: ".def.uri".into(), 1481 + }, 1482 + ], 1483 + }, 1484 + 2, 1485 + )?; 1486 + storage.push( 1487 + &ActionableEvent::CreateLinks { 1488 + record_id: RecordId { 1489 + did: "did:plc:fdsa".into(), 1490 + collection: "app.t.c".into(), 1491 + rkey: "asdf2".into(), 1492 + }, 1493 + links: vec![ 1494 + CollectedLink { 1495 + target: Link::Uri("a.com".into()), 1496 + path: ".abc.uri".into(), 1497 + }, 1498 + CollectedLink { 1499 + target: Link::Uri("c.com".into()), 1500 + path: ".def.uri".into(), 1501 + }, 1502 + ], 1503 + }, 1504 + 3, 1505 + )?; 1506 + assert_eq!( 1507 + storage.get_many_to_many_counts( 1508 + "a.com", 1509 + "app.t.c", 1510 + ".abc.uri", 1511 + ".def.uri", 1512 + 10, 1513 + None, 1514 + &HashSet::new(), 1515 + &HashSet::new(), 1516 + )?, 1517 + PagedOrderedCollection { 1518 + items: vec![("b.com".to_string(), 2, 2), ("c.com".to_string(), 2, 1),], 1519 + next: None, 1520 + } 1521 + ); 1522 + assert_eq!( 1523 + storage.get_many_to_many_counts( 1524 + "a.com", 1525 + "app.t.c", 1526 + ".abc.uri", 1527 + ".def.uri", 1528 + 10, 1529 + None, 1530 + &HashSet::from_iter([Did("did:plc:fdsa".to_string())]), 1531 + &HashSet::new(), 1532 + )?, 1533 + PagedOrderedCollection { 1534 + items: vec![("c.com".to_string(), 2, 1),], 1535 + next: None, 1536 + } 1537 + ); 1538 + assert_eq!( 1539 + storage.get_many_to_many_counts( 1540 + "a.com", 1541 + "app.t.c", 1542 + ".abc.uri", 1543 + ".def.uri", 1544 + 10, 1545 + None, 1546 + &HashSet::new(), 1547 + &HashSet::from_iter(["b.com".to_string()]), 1548 + )?, 1549 + PagedOrderedCollection { 1550 + items: vec![("b.com".to_string(), 2, 2),], 1551 + next: None, 1552 + } 1553 + ); 1554 }); 1555 }

+361 -41

constellation/src/storage/rocks_store.rs

··· 1 - use super::{ActionableEvent, LinkReader, LinkStorage, PagedAppendingCollection, StorageStats}; 0 0 0 2 use crate::{CountsByCount, Did, RecordId}; 3 use anyhow::{bail, Result}; 4 use bincode::Options as BincodeOptions; ··· 11 MultiThreaded, Options, PrefixRange, ReadOptions, WriteBatch, 12 }; 13 use serde::{Deserialize, Serialize}; 14 - use std::collections::{HashMap, HashSet}; 15 use std::io::Read; 16 use std::marker::PhantomData; 17 use std::path::{Path, PathBuf}; ··· 20 Arc, 21 }; 22 use std::thread; 23 - use std::time::{Duration, Instant}; 24 use tokio_util::sync::CancellationToken; 25 26 static DID_IDS_CF: &str = "did_ids"; ··· 29 static LINK_TARGETS_CF: &str = "link_targets"; 30 31 static JETSTREAM_CURSOR_KEY: &str = "jetstream_cursor"; 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 33 // todo: actually understand and set these options probably better 34 fn rocks_opts_base() -> Options { ··· 56 #[derive(Debug, Clone)] 57 pub struct RocksStorage { 58 pub db: Arc<DBWithThreadMode<MultiThreaded>>, // TODO: mov seqs here (concat merge op will be fun) 59 - did_id_table: IdTable<Did, DidIdValue, true>, 60 - target_id_table: IdTable<TargetKey, TargetId, false>, 61 is_writer: bool, 62 backup_task: Arc<Option<thread::JoinHandle<Result<()>>>>, 63 } ··· 85 fn cf_descriptor(&self) -> ColumnFamilyDescriptor { 86 ColumnFamilyDescriptor::new(&self.name, rocks_opts_base()) 87 } 88 - fn init<const WITH_REVERSE: bool>( 89 - self, 90 - db: &DBWithThreadMode<MultiThreaded>, 91 - ) -> Result<IdTable<Orig, IdVal, WITH_REVERSE>> { 92 if db.cf_handle(&self.name).is_none() { 93 bail!("failed to get cf handle from db -- was the db open with our .cf_descriptor()?"); 94 } ··· 119 } 120 } 121 #[derive(Debug, Clone)] 122 - struct IdTable<Orig, IdVal: IdTableValue, const WITH_REVERSE: bool> 123 where 124 Orig: KeyFromRocks, 125 for<'a> &'a Orig: AsRocksKey, ··· 127 base: IdTableBase<Orig, IdVal>, 128 priv_id_seq: u64, 129 } 130 - impl<Orig: Clone, IdVal: IdTableValue, const WITH_REVERSE: bool> IdTable<Orig, IdVal, WITH_REVERSE> 131 where 132 Orig: KeyFromRocks, 133 for<'v> &'v IdVal: AsRocksValue, ··· 139 _key_marker: PhantomData, 140 _val_marker: PhantomData, 141 name: name.into(), 142 - id_seq: Arc::new(AtomicU64::new(0)), // zero is "uninint", first seq num will be 1 143 } 144 } 145 fn get_id_val( ··· 178 id_value 179 })) 180 } 0 181 fn estimate_count(&self) -> u64 { 182 self.base.id_seq.load(Ordering::SeqCst) - 1 // -1 because seq zero is reserved 183 } 184 - } 185 - impl<Orig: Clone, IdVal: IdTableValue> IdTable<Orig, IdVal, true> 186 - where 187 - Orig: KeyFromRocks, 188 - for<'v> &'v IdVal: AsRocksValue, 189 - for<'k> &'k Orig: AsRocksKey, 190 - { 191 fn get_or_create_id_val( 192 &mut self, 193 db: &DBWithThreadMode<MultiThreaded>, ··· 215 } 216 } 217 } 218 - impl<Orig: Clone, IdVal: IdTableValue> IdTable<Orig, IdVal, false> 219 - where 220 - Orig: KeyFromRocks, 221 - for<'v> &'v IdVal: AsRocksValue, 222 - for<'k> &'k Orig: AsRocksKey, 223 - { 224 - fn get_or_create_id_val( 225 - &mut self, 226 - db: &DBWithThreadMode<MultiThreaded>, 227 - batch: &mut WriteBatch, 228 - orig: &Orig, 229 - ) -> Result<IdVal> { 230 - let cf = db.cf_handle(&self.base.name).unwrap(); 231 - self.__get_or_create_id_val(&cf, db, batch, orig) 232 - } 233 - } 234 235 impl IdTableValue for DidIdValue { 236 fn new(v: u64) -> Self { ··· 249 } 250 } 251 0 0 0 0 0 0 0 252 impl RocksStorage { 253 pub fn new(path: impl AsRef<Path>) -> Result<Self> { 254 Self::describe_metrics(); 255 - RocksStorage::open_readmode(path, false) 0 0 256 } 257 258 pub fn open_readonly(path: impl AsRef<Path>) -> Result<Self> { ··· 260 } 261 262 fn open_readmode(path: impl AsRef<Path>, readonly: bool) -> Result<Self> { 263 - let did_id_table = IdTable::<_, _, true>::setup(DID_IDS_CF); 264 - let target_id_table = IdTable::<_, _, false>::setup(TARGET_IDS_CF); 265 0 0 266 let cfs = vec![ 267 // id reference tables 268 did_id_table.cf_descriptor(), ··· 296 is_writer: !readonly, 297 backup_task: None.into(), 298 }) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 299 } 300 301 pub fn start_backup( ··· 826 } 827 828 impl LinkReader for RocksStorage { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 829 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64> { 830 let target_key = TargetKey( 831 Target(target.to_string()), ··· 860 path: &str, 861 limit: u64, 862 until: Option<u64>, 0 863 ) -> Result<PagedAppendingCollection<RecordId>> { 864 let target_key = TargetKey( 865 Target(target.to_string()), ··· 876 }); 877 }; 878 879 - let linkers = self.get_target_linkers(&target_id)?; 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 880 881 let (alive, gone) = linkers.count(); 882 let total = alive + gone; ··· 1024 .map(|s| s.parse::<u64>()) 1025 .transpose()? 1026 .unwrap_or(0); 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1027 Ok(StorageStats { 1028 dids, 1029 targetables, 1030 linking_records, 0 0 1031 }) 1032 } 1033 } ··· 1053 impl AsRocksValue for &TargetId {} 1054 impl KeyFromRocks for TargetKey {} 1055 impl ValueFromRocks for TargetId {} 0 0 0 0 1056 1057 // target_links table 1058 impl AsRocksKey for &TargetId {} ··· 1124 } 1125 1126 // target ids 1127 - #[derive(Debug, Clone, Serialize, Deserialize)] 1128 struct TargetId(u64); // key 1129 1130 - #[derive(Debug, Clone, Serialize, Deserialize)] 1131 pub struct Target(pub String); // the actual target/uri 1132 1133 // targets (uris, dids, etc.): the reverse index

··· 1 + use super::{ 2 + ActionableEvent, LinkReader, LinkStorage, PagedAppendingCollection, PagedOrderedCollection, 3 + StorageStats, 4 + }; 5 use crate::{CountsByCount, Did, RecordId}; 6 use anyhow::{bail, Result}; 7 use bincode::Options as BincodeOptions; ··· 14 MultiThreaded, Options, PrefixRange, ReadOptions, WriteBatch, 15 }; 16 use serde::{Deserialize, Serialize}; 17 + use std::collections::{BTreeMap, HashMap, HashSet}; 18 use std::io::Read; 19 use std::marker::PhantomData; 20 use std::path::{Path, PathBuf}; ··· 23 Arc, 24 }; 25 use std::thread; 26 + use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH}; 27 use tokio_util::sync::CancellationToken; 28 29 static DID_IDS_CF: &str = "did_ids"; ··· 32 static LINK_TARGETS_CF: &str = "link_targets"; 33 34 static JETSTREAM_CURSOR_KEY: &str = "jetstream_cursor"; 35 + static STARTED_AT_KEY: &str = "jetstream_first_cursor"; 36 + // add reverse mappings for targets if this db was running before that was a thing 37 + static TARGET_ID_REPAIR_STATE_KEY: &str = "target_id_table_repair_state"; 38 + 39 + static COZY_FIRST_CURSOR: u64 = 1_738_083_600_000_000; // constellation.microcosm.blue started 40 + 41 + #[derive(Debug, Clone, Serialize, Deserialize)] 42 + struct TargetIdRepairState { 43 + /// start time for repair, microseconds timestamp 44 + current_us_started_at: u64, 45 + /// id table's latest id when repair started 46 + id_when_started: u64, 47 + /// id table id 48 + latest_repaired_i: u64, 49 + } 50 + impl AsRocksValue for TargetIdRepairState {} 51 + impl ValueFromRocks for TargetIdRepairState {} 52 53 // todo: actually understand and set these options probably better 54 fn rocks_opts_base() -> Options { ··· 76 #[derive(Debug, Clone)] 77 pub struct RocksStorage { 78 pub db: Arc<DBWithThreadMode<MultiThreaded>>, // TODO: mov seqs here (concat merge op will be fun) 79 + did_id_table: IdTable<Did, DidIdValue>, 80 + target_id_table: IdTable<TargetKey, TargetId>, 81 is_writer: bool, 82 backup_task: Arc<Option<thread::JoinHandle<Result<()>>>>, 83 } ··· 105 fn cf_descriptor(&self) -> ColumnFamilyDescriptor { 106 ColumnFamilyDescriptor::new(&self.name, rocks_opts_base()) 107 } 108 + fn init(self, db: &DBWithThreadMode<MultiThreaded>) -> Result<IdTable<Orig, IdVal>> { 0 0 0 109 if db.cf_handle(&self.name).is_none() { 110 bail!("failed to get cf handle from db -- was the db open with our .cf_descriptor()?"); 111 } ··· 136 } 137 } 138 #[derive(Debug, Clone)] 139 + struct IdTable<Orig, IdVal: IdTableValue> 140 where 141 Orig: KeyFromRocks, 142 for<'a> &'a Orig: AsRocksKey, ··· 144 base: IdTableBase<Orig, IdVal>, 145 priv_id_seq: u64, 146 } 147 + impl<Orig: Clone, IdVal: IdTableValue> IdTable<Orig, IdVal> 148 where 149 Orig: KeyFromRocks, 150 for<'v> &'v IdVal: AsRocksValue, ··· 156 _key_marker: PhantomData, 157 _val_marker: PhantomData, 158 name: name.into(), 159 + id_seq: Arc::new(AtomicU64::new(0)), // zero is "uninit", first seq num will be 1 160 } 161 } 162 fn get_id_val( ··· 195 id_value 196 })) 197 } 198 + 199 fn estimate_count(&self) -> u64 { 200 self.base.id_seq.load(Ordering::SeqCst) - 1 // -1 because seq zero is reserved 201 } 202 + 0 0 0 0 0 0 203 fn get_or_create_id_val( 204 &mut self, 205 db: &DBWithThreadMode<MultiThreaded>, ··· 227 } 228 } 229 } 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 230 231 impl IdTableValue for DidIdValue { 232 fn new(v: u64) -> Self { ··· 245 } 246 } 247 248 + fn now() -> u64 { 249 + SystemTime::now() 250 + .duration_since(UNIX_EPOCH) 251 + .unwrap() 252 + .as_micros() as u64 253 + } 254 + 255 impl RocksStorage { 256 pub fn new(path: impl AsRef<Path>) -> Result<Self> { 257 Self::describe_metrics(); 258 + let me = RocksStorage::open_readmode(path, false)?; 259 + me.global_init()?; 260 + Ok(me) 261 } 262 263 pub fn open_readonly(path: impl AsRef<Path>) -> Result<Self> { ··· 265 } 266 267 fn open_readmode(path: impl AsRef<Path>, readonly: bool) -> Result<Self> { 268 + let did_id_table = IdTable::setup(DID_IDS_CF); 269 + let target_id_table = IdTable::setup(TARGET_IDS_CF); 270 271 + // note: global stuff like jetstream cursor goes in the default cf 272 + // these are bonus extra cfs 273 let cfs = vec![ 274 // id reference tables 275 did_id_table.cf_descriptor(), ··· 303 is_writer: !readonly, 304 backup_task: None.into(), 305 }) 306 + } 307 + 308 + fn global_init(&self) -> Result<()> { 309 + let first_run = self.db.get(JETSTREAM_CURSOR_KEY)?.is_some(); 310 + if first_run { 311 + self.db.put(STARTED_AT_KEY, _rv(now()))?; 312 + 313 + // hack / temporary: if we're a new db, put in a completed repair 314 + // state so we don't run repairs (repairs are for old-code dbs) 315 + let completed = TargetIdRepairState { 316 + id_when_started: 0, 317 + current_us_started_at: 0, 318 + latest_repaired_i: 0, 319 + }; 320 + self.db.put(TARGET_ID_REPAIR_STATE_KEY, _rv(completed))?; 321 + } 322 + Ok(()) 323 + } 324 + 325 + pub fn run_repair(&self, breather: Duration, stay_alive: CancellationToken) -> Result<bool> { 326 + let mut state = match self 327 + .db 328 + .get(TARGET_ID_REPAIR_STATE_KEY)? 329 + .map(|s| _vr(&s)) 330 + .transpose()? 331 + { 332 + Some(s) => s, 333 + None => TargetIdRepairState { 334 + id_when_started: self.did_id_table.priv_id_seq, 335 + current_us_started_at: now(), 336 + latest_repaired_i: 0, 337 + }, 338 + }; 339 + 340 + eprintln!("initial repair state: {state:?}"); 341 + 342 + let cf = self.db.cf_handle(TARGET_IDS_CF).unwrap(); 343 + 344 + let mut iter = self.db.raw_iterator_cf(&cf); 345 + iter.seek_to_first(); 346 + 347 + eprintln!("repair iterator sent to first key"); 348 + 349 + // skip ahead if we're done some, or take a single first step 350 + for _ in 0..state.latest_repaired_i { 351 + iter.next(); 352 + } 353 + 354 + eprintln!( 355 + "repair iterator skipped to {}th key", 356 + state.latest_repaired_i 357 + ); 358 + 359 + let mut maybe_done = false; 360 + 361 + let mut write_fast = rocksdb::WriteOptions::default(); 362 + write_fast.set_sync(false); 363 + write_fast.disable_wal(true); 364 + 365 + while !stay_alive.is_cancelled() && !maybe_done { 366 + // let mut batch = WriteBatch::default(); 367 + 368 + let mut any_written = false; 369 + 370 + for _ in 0..1000 { 371 + if state.latest_repaired_i % 1_000_000 == 0 { 372 + eprintln!("target iter at {}", state.latest_repaired_i); 373 + } 374 + state.latest_repaired_i += 1; 375 + 376 + if !iter.valid() { 377 + eprintln!("invalid iter, are we done repairing?"); 378 + maybe_done = true; 379 + break; 380 + }; 381 + 382 + // eprintln!("iterator seems to be valid! getting the key..."); 383 + let raw_key = iter.key().unwrap(); 384 + if raw_key.len() == 8 { 385 + // eprintln!("found an 8-byte key, skipping it since it's probably an id..."); 386 + iter.next(); 387 + continue; 388 + } 389 + let target: TargetKey = _kr::<TargetKey>(raw_key)?; 390 + let target_id: TargetId = _vr(iter.value().unwrap())?; 391 + 392 + self.db 393 + .put_cf_opt(&cf, target_id.id().to_be_bytes(), _rv(&target), &write_fast)?; 394 + any_written = true; 395 + iter.next(); 396 + } 397 + 398 + if any_written { 399 + self.db 400 + .put(TARGET_ID_REPAIR_STATE_KEY, _rv(state.clone()))?; 401 + std::thread::sleep(breather); 402 + } 403 + } 404 + 405 + eprintln!("repair iterator done."); 406 + 407 + Ok(false) 408 } 409 410 pub fn start_backup( ··· 935 } 936 937 impl LinkReader for RocksStorage { 938 + fn get_many_to_many_counts( 939 + &self, 940 + target: &str, 941 + collection: &str, 942 + path: &str, 943 + path_to_other: &str, 944 + limit: u64, 945 + after: Option<String>, 946 + filter_dids: &HashSet<Did>, 947 + filter_to_targets: &HashSet<String>, 948 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>> { 949 + let collection = Collection(collection.to_string()); 950 + let path = RPath(path.to_string()); 951 + 952 + let target_key = TargetKey(Target(target.to_string()), collection.clone(), path.clone()); 953 + 954 + // unfortunately the cursor is a, uh, stringified number. 955 + // this was easier for the memstore (plain target, not target id), and 956 + // making it generic is a bit awful. 957 + // so... parse the number out of a string here :( 958 + // TODO: this should bubble up to a BAD_REQUEST response 959 + let after = after.map(|s| s.parse::<u64>().map(TargetId)).transpose()?; 960 + 961 + let Some(target_id) = self.target_id_table.get_id_val(&self.db, &target_key)? else { 962 + eprintln!("nothin doin for this target, {target_key:?}"); 963 + return Ok(Default::default()); 964 + }; 965 + 966 + let filter_did_ids: HashMap<DidId, bool> = filter_dids 967 + .iter() 968 + .filter_map(|did| self.did_id_table.get_id_val(&self.db, did).transpose()) 969 + .collect::<Result<Vec<DidIdValue>>>()? 970 + .into_iter() 971 + .map(|DidIdValue(id, active)| (id, active)) 972 + .collect(); 973 + 974 + // stored targets are keyed by triples of (target, collection, path). 975 + // target filtering only consideres the target itself, so we actually 976 + // need to do a prefix iteration of all target ids for this target and 977 + // keep them all. 978 + // i *think* the number of keys at a target prefix should usually be 979 + // pretty small, so this is hopefully fine. but if it turns out to be 980 + // large, we can push this filtering back into the main links loop and 981 + // do forward db queries per backlink to get the raw target back out. 982 + let mut filter_to_target_ids: HashSet<TargetId> = HashSet::new(); 983 + for t in filter_to_targets { 984 + for (_, target_id) in self.iter_targets_for_target(&Target(t.to_string())) { 985 + filter_to_target_ids.insert(target_id); 986 + } 987 + } 988 + 989 + let linkers = self.get_target_linkers(&target_id)?; 990 + 991 + let mut grouped_counts: BTreeMap<TargetId, (u64, HashSet<DidId>)> = BTreeMap::new(); 992 + 993 + for (did_id, rkey) in linkers.0 { 994 + if did_id.is_empty() { 995 + continue; 996 + } 997 + 998 + if !filter_did_ids.is_empty() && filter_did_ids.get(&did_id) != Some(&true) { 999 + continue; 1000 + } 1001 + 1002 + let record_link_key = RecordLinkKey(did_id, collection.clone(), rkey); 1003 + let Some(targets) = self.get_record_link_targets(&record_link_key)? else { 1004 + continue; 1005 + }; 1006 + 1007 + let Some(fwd_target) = targets 1008 + .0 1009 + .into_iter() 1010 + .filter_map(|RecordLinkTarget(rpath, target_id)| { 1011 + if rpath.0 == path_to_other 1012 + && (filter_to_target_ids.is_empty() 1013 + || filter_to_target_ids.contains(&target_id)) 1014 + { 1015 + Some(target_id) 1016 + } else { 1017 + None 1018 + } 1019 + }) 1020 + .take(1) 1021 + .next() 1022 + else { 1023 + eprintln!("no forward match"); 1024 + continue; 1025 + }; 1026 + 1027 + // small relief: we page over target ids, so we can already bail 1028 + // reprocessing previous pages here 1029 + if after.as_ref().map(|a| fwd_target <= *a).unwrap_or(false) { 1030 + continue; 1031 + } 1032 + 1033 + // aand we can skip target ids that must be on future pages 1034 + // (this check continues after the did-lookup, which we have to do) 1035 + let page_is_full = grouped_counts.len() as u64 >= limit; 1036 + if page_is_full { 1037 + let current_max = grouped_counts.keys().next_back().unwrap(); // limit should be non-zero bleh 1038 + if fwd_target > *current_max { 1039 + continue; 1040 + } 1041 + } 1042 + 1043 + // bit painful: 2-step lookup to make sure this did is active 1044 + let Some(did) = self.did_id_table.get_val_from_id(&self.db, did_id.0)? else { 1045 + eprintln!("failed to look up did from did_id {did_id:?}"); 1046 + continue; 1047 + }; 1048 + let Some(DidIdValue(_, active)) = self.did_id_table.get_id_val(&self.db, &did)? else { 1049 + eprintln!("failed to look up did_value from did_id {did_id:?}: {did:?}: data consistency bug?"); 1050 + continue; 1051 + }; 1052 + if !active { 1053 + continue; 1054 + } 1055 + 1056 + // page-management, continued 1057 + // if we have a full page, and we're inserting a *new* key less than 1058 + // the current max, then we can evict the current max 1059 + let mut should_evict = false; 1060 + let entry = grouped_counts.entry(fwd_target.clone()).or_insert_with(|| { 1061 + // this is a *new* key, so kick the max if we're full 1062 + should_evict = page_is_full; 1063 + Default::default() 1064 + }); 1065 + entry.0 += 1; 1066 + entry.1.insert(did_id); 1067 + 1068 + if should_evict { 1069 + grouped_counts.pop_last(); 1070 + } 1071 + } 1072 + 1073 + let mut items: Vec<(String, u64, u64)> = Vec::with_capacity(grouped_counts.len()); 1074 + for (target_id, (n, dids)) in &grouped_counts { 1075 + let Some(target) = self 1076 + .target_id_table 1077 + .get_val_from_id(&self.db, target_id.0)? 1078 + else { 1079 + eprintln!("failed to look up target from target_id {target_id:?}"); 1080 + continue; 1081 + }; 1082 + items.push((target.0 .0, *n, dids.len() as u64)); 1083 + } 1084 + 1085 + let next = if grouped_counts.len() as u64 >= limit { 1086 + // yeah.... it's a number saved as a string......sorry 1087 + grouped_counts 1088 + .keys() 1089 + .next_back() 1090 + .map(|k| format!("{}", k.0)) 1091 + } else { 1092 + None 1093 + }; 1094 + 1095 + Ok(PagedOrderedCollection { items, next }) 1096 + } 1097 + 1098 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64> { 1099 let target_key = TargetKey( 1100 Target(target.to_string()), ··· 1129 path: &str, 1130 limit: u64, 1131 until: Option<u64>, 1132 + filter_dids: &HashSet<Did>, 1133 ) -> Result<PagedAppendingCollection<RecordId>> { 1134 let target_key = TargetKey( 1135 Target(target.to_string()), ··· 1146 }); 1147 }; 1148 1149 + let mut linkers = self.get_target_linkers(&target_id)?; 1150 + if !filter_dids.is_empty() { 1151 + let mut did_filter = HashSet::new(); 1152 + for did in filter_dids { 1153 + let Some(DidIdValue(did_id, active)) = 1154 + self.did_id_table.get_id_val(&self.db, did)? 1155 + else { 1156 + eprintln!("failed to find a did_id for {did:?}"); 1157 + continue; 1158 + }; 1159 + if !active { 1160 + eprintln!("excluding inactive did from filtered results"); 1161 + continue; 1162 + } 1163 + did_filter.insert(did_id); 1164 + } 1165 + linkers.0.retain(|linker| did_filter.contains(&linker.0)); 1166 + } 1167 1168 let (alive, gone) = linkers.count(); 1169 let total = alive + gone; ··· 1311 .map(|s| s.parse::<u64>()) 1312 .transpose()? 1313 .unwrap_or(0); 1314 + let started_at = self 1315 + .db 1316 + .get(STARTED_AT_KEY)? 1317 + .map(|c| _vr(&c)) 1318 + .transpose()? 1319 + .unwrap_or(COZY_FIRST_CURSOR); 1320 + 1321 + let other_data = self 1322 + .db 1323 + .get(TARGET_ID_REPAIR_STATE_KEY)? 1324 + .map(|s| _vr(&s)) 1325 + .transpose()? 1326 + .map( 1327 + |TargetIdRepairState { 1328 + current_us_started_at, 1329 + id_when_started, 1330 + latest_repaired_i, 1331 + }| { 1332 + HashMap::from([ 1333 + ("current_us_started_at".to_string(), current_us_started_at), 1334 + ("id_when_started".to_string(), id_when_started), 1335 + ("latest_repaired_i".to_string(), latest_repaired_i), 1336 + ]) 1337 + }, 1338 + ) 1339 + .unwrap_or(HashMap::default()); 1340 + 1341 Ok(StorageStats { 1342 dids, 1343 targetables, 1344 linking_records, 1345 + started_at: Some(started_at), 1346 + other_data, 1347 }) 1348 } 1349 } ··· 1369 impl AsRocksValue for &TargetId {} 1370 impl KeyFromRocks for TargetKey {} 1371 impl ValueFromRocks for TargetId {} 1372 + 1373 + // temp? 1374 + impl KeyFromRocks for TargetId {} 1375 + impl AsRocksValue for &TargetKey {} 1376 1377 // target_links table 1378 impl AsRocksKey for &TargetId {} ··· 1444 } 1445 1446 // target ids 1447 + #[derive(Debug, Clone, Serialize, Deserialize, PartialOrd, Ord, PartialEq, Eq, Hash)] 1448 struct TargetId(u64); // key 1449 1450 + #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)] 1451 pub struct Target(pub String); // the actual target/uri 1452 1453 // targets (uris, dids, etc.): the reverse index

+1 -1

constellation/templates/dids.html.j2

··· 27 {% for did in linking_dids %} 28 <pre style="display: block; margin: 1em 2em" class="code"><strong>DID</strong>: {{ did.0 }} 29 -> see <a href="/links/all?target={{ did.0|urlencode }}">links to this DID</a> 30 - -> browse <a href="https://atproto-browser-plus-links.vercel.app/at/{{ did.0|urlencode }}">this DID record</a></pre> 31 {% endfor %} 32 33 {% if let Some(c) = cursor %}

··· 27 {% for did in linking_dids %} 28 <pre style="display: block; margin: 1em 2em" class="code"><strong>DID</strong>: {{ did.0 }} 29 -> see <a href="/links/all?target={{ did.0|urlencode }}">links to this DID</a> 30 + -> browse <a href="https://pdsls.dev/at://{{ did.0|urlencode }}">this DID record</a></pre> 31 {% endfor %} 32 33 {% if let Some(c) = cursor %}

+54

constellation/templates/get-backlinks.html.j2

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + {% extends "base.html.j2" %} 2 + {% import "try-it-macros.html.j2" as try_it %} 3 + 4 + {% block title %}Backlinks{% endblock %} 5 + {% block description %}All {{ query.source }} records with links to {{ query.subject }}{% endblock %} 6 + 7 + {% block content %} 8 + 9 + {% call try_it::get_backlinks(query.subject, query.source, query.did, query.limit) %} 10 + 11 + <h2> 12 + Links to <code>{{ query.subject }}</code> 13 + {% if let Some(browseable_uri) = query.subject|to_browseable %} 14 + <small style="font-weight: normal; font-size: 1rem"><a href="{{ browseable_uri }}">browse record</a></small> 15 + {% endif %} 16 + </h2> 17 + 18 + <p><strong>{{ total|human_number }} links</strong> from <code>{{ query.source }}</code>.</p> 19 + 20 + <ul> 21 + <li>See distinct linking DIDs at <code>/links/distinct-dids</code>: <a href="/links/distinct-dids?target={{ query.subject|urlencode }}&collection={{ collection|urlencode }}&path={{ path|urlencode }}">/links/distinct-dids?target={{ query.subject }}&collection={{ collection }}&path={{ path }}</a></li> 22 + <li>See all links to this target at <code>/links/all</code>: <a href="/links/all?target={{ query.subject|urlencode }}">/links/all?target={{ query.subject }}</a></li> 23 + </ul> 24 + 25 + <h3>Links, most recent first:</h3> 26 + 27 + {% for record in records %} 28 + <pre style="display: block; margin: 1em 2em" class="code"><strong>DID</strong>: {{ record.did().0 }} (<a href="/links/all?target={{ record.did().0|urlencode }}">DID links</a>) 29 + <strong>Collection</strong>: {{ record.collection }} 30 + <strong>RKey</strong>: {{ record.rkey }} 31 + -> <a href="https://pdsls.dev/at://{{ record.did().0 }}/{{ record.collection }}/{{ record.rkey }}">browse record</a></pre> 32 + {% endfor %} 33 + 34 + {% if let Some(c) = cursor %} 35 + <form method="get" action="/xrpc/blue.microcosm.links.getBacklinks"> 36 + <input type="hidden" name="subject" value="{{ query.subject }}" /> 37 + <input type="hidden" name="source" value="{{ query.source }}" /> 38 + <input type="hidden" name="limit" value="{{ query.limit }}" /> 39 + {% for did in query.did %} 40 + <input type="hidden" name="did" value="{{ did }}" /> 41 + {% endfor %} 42 + <input type="hidden" name="cursor" value={{ c|json|safe }} /> 43 + <button type="submit">next page&hellip;</button> 44 + </form> 45 + {% else %} 46 + <button disabled><em>end of results</em></button> 47 + {% endif %} 48 + 49 + <details> 50 + <summary>Raw JSON response</summary> 51 + <pre class="code">{{ self|tojson }}</pre> 52 + </details> 53 + 54 + {% endblock %}

+67

constellation/templates/get-many-to-many-counts.html.j2

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + {% extends "base.html.j2" %} 2 + {% import "try-it-macros.html.j2" as try_it %} 3 + 4 + {% block title %}Many to Many counts{% endblock %} 5 + {% block description %}Counts of many-to-many {{ query.source }} join records with links to {{ query.subject }} and a secondary target at {{ query.path_to_other }}{% endblock %} 6 + 7 + {% block content %} 8 + 9 + {% call try_it::get_many_to_many_counts( 10 + query.subject, 11 + query.source, 12 + query.path_to_other, 13 + query.did, 14 + query.other_subject, 15 + query.limit, 16 + ) %} 17 + 18 + <h2> 19 + Many-to-many links to <code>{{ query.subject }}</code> joining through <code>{{ query.path_to_other }}</code> 20 + {% if let Some(browseable_uri) = query.subject|to_browseable %} 21 + <small style="font-weight: normal; font-size: 1rem"><a href="{{ browseable_uri }}">browse record</a></small> 22 + {% endif %} 23 + </h2> 24 + 25 + <p><strong>{% if cursor.is_some() || query.cursor.is_some() %}more than {% endif %}{{ counts_by_other_subject.len()|to_u64|human_number }} joins</strong> <code>{{ query.source }}→{{ query.path_to_other }}</code></p> 26 + 27 + <ul> 28 + <li>See direct backlinks at <code>/xrpc/blue.microcosm.links.getBacklinks</code>: <a href="/xrpc/blue.microcosm.links.getBacklinks?subject={{ query.subject|urlencode }}&source={{ query.source|urlencode }}">/xrpc/blue.microcosm.links.getBacklinks?subject={{ query.subject }}&source={{ query.source }}</a></li> 29 + <li>See all links to this target at <code>/links/all</code>: <a href="/links/all?target={{ query.subject|urlencode }}">/links/all?target={{ query.subject }}</a></li> 30 + </ul> 31 + 32 + <h3>Counts by other subject:</h3> 33 + 34 + {% for counts in counts_by_other_subject %} 35 + <pre style="display: block; margin: 1em 2em" class="code"><strong>Joined subject</strong>: {{ counts.subject }} 36 + <strong>Joining records</strong>: {{ counts.total }} 37 + <strong>Unique joiner ids</strong>: {{ counts.distinct }} 38 + -> {% if let Some(browseable_uri) = counts.subject|to_browseable -%} 39 + <a href="{{ browseable_uri }}">browse record</a> 40 + {%- endif %}</pre> 41 + {% endfor %} 42 + 43 + {% if let Some(c) = cursor %} 44 + <form method="get" action="/xrpc/blue.microcosm.links.getManyToManyCounts"> 45 + <input type="hidden" name="subject" value="{{ query.subject }}" /> 46 + <input type="hidden" name="source" value="{{ query.source }}" /> 47 + <input type="hidden" name="pathToOther" value="{{ query.path_to_other }}" /> 48 + {% for did in query.did %} 49 + <input type="hidden" name="did" value="{{ did }}" /> 50 + {% endfor %} 51 + {% for otherSubject in query.other_subject %} 52 + <input type="hidden" name="otherSubject" value="{{ otherSubject }}" /> 53 + {% endfor %} 54 + <input type="hidden" name="limit" value="{{ query.limit }}" /> 55 + <input type="hidden" name="cursor" value={{ c|json|safe }} /> 56 + <button type="submit">next page&hellip;</button> 57 + </form> 58 + {% else %} 59 + <button disabled><em>end of results</em></button> 60 + {% endif %} 61 + 62 + <details> 63 + <summary>Raw JSON response</summary> 64 + <pre class="code">{{ self|tojson }}</pre> 65 + </details> 66 + 67 + {% endblock %}

+65 -7

constellation/templates/hello.html.j2

··· 19 <p>It works by recursively walking <em>all</em> records coming through the firehose, searching for anything that looks like a link. Links are indexed by the target they point at, the collection the record came from, and the JSON path to the link in that record.</p> 20 21 <p> 22 - This server has indexed <span class="stat">{{ stats.linking_records|human_number }}</span> links between <span class="stat">{{ stats.targetables|human_number }}</span> targets and sources from <span class="stat">{{ stats.dids|human_number }}</span> identities over <span class="stat">{{ days_indexed|human_number }}</span> days.<br/> 23 - <small>(indexing new records in real time, backfill still TODO)</small> 0 0 0 0 0 0 24 </p> 25 26 - <p>The API is currently <strong>unstable</strong>. But feel free to use it! If you want to be nice, put your project name and bsky username (or email) in your user-agent header for api requests.</p> 0 0 0 0 27 28 29 <h2>API Endpoints</h2> 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31 <h3 class="route"><code>GET /links</code></h3> 32 33 <p>A list of records linking to a target.</p> 34 0 0 35 <h4>Query parameters:</h4> 36 37 <ul> 38 - <li><code>target</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></li> 39 - <li><code>collection</code>: required. Example: <code>app.bsky.feed.like</code></li> 40 - <li><code>path</code>: required, must url-encode. Example: <code>.subject.uri</code></li> 0 0 0 41 </ul> 42 43 <p style="margin-bottom: 0"><strong>Try it:</strong></p> 44 - {% call try_it::links("at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r", "app.bsky.feed.like", ".subject.uri") %} 45 46 47 <h3 class="route"><code>GET /links/distinct-dids</code></h3>

··· 19 <p>It works by recursively walking <em>all</em> records coming through the firehose, searching for anything that looks like a link. Links are indexed by the target they point at, the collection the record came from, and the JSON path to the link in that record.</p> 20 21 <p> 22 + This server has indexed <span class="stat">{{ stats.linking_records|human_number }}</span> links between <span class="stat">{{ stats.targetables|human_number }}</span> targets and sources from <span class="stat">{{ stats.dids|human_number }}</span> identities over <span class="stat"> 23 + {%- if let Some(days) = days_indexed %} 24 + {{ days|human_number }} 25 + {% else %} 26 + ??? 27 + {% endif -%} 28 + </span> days.<br/> 29 + <small>(indexing new records in real time, backfill coming soon!)</small> 30 </p> 31 32 + {# {% for k, v in stats.other_data.iter() %} 33 + <p><strong>{{ k }}</strong>: {{ v }}</p> 34 + {% endfor %} #} 35 + 36 + <p>You're welcome to use this public instance! Please do not build the torment nexus. If you want to be nice, put your project name and bsky username (or email) in your user-agent header for api requests.</p> 37 38 39 <h2>API Endpoints</h2> 40 41 + <h3 class="route"><code>GET /xrpc/blue.microcosm.links.getBacklinks</code></h3> 42 + 43 + <p>A list of records linking to any record, identity, or uri.</p> 44 + 45 + <h4>Query parameters:</h4> 46 + 47 + <ul> 48 + <li><p><code>subject</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></p></li> 49 + <li><p><code>source</code>: required. Example: <code>app.bsky.feed.like:subject.uri</code></p></li> 50 + <li><p><code>did</code>: optional, filter links to those from specific users. Include multiple times to filter by multiple users. Example: <code>did=did:plc:vc7f4oafdgxsihk4cry2xpze&did=did:plc:vc7f4oafdgxsihk4cry2xpze</code></p></li> 51 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 52 + </ul> 53 + 54 + <p style="margin-bottom: 0"><strong>Try it:</strong></p> 55 + {% call try_it::get_backlinks("at://did:plc:a4pqq234yw7fqbddawjo7y35/app.bsky.feed.post/3m237ilwc372e", "app.bsky.feed.like:subject.uri", [""], 16) %} 56 + 57 + 58 + <h3 class="route"><code>GET /xrpc/blue.microcosm.links.getManyToManyCounts</code></h3> 59 + 60 + <p>TODO: description</p> 61 + 62 + <h4>Query parameters:</h4> 63 + 64 + <ul> 65 + <li><p><code>subject</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></p></li> 66 + <li><p><code>source</code>: required. Example: <code>app.bsky.feed.like:subject.uri</code></p></li> 67 + <li><p><code>pathToOther</code>: required. Path to the secondary link in the many-to-many record. Example: <code>otherThing.uri</code></p></li> 68 + <li><p><code>did</code>: optional, filter links to those from specific users. Include multiple times to filter by multiple users. Example: <code>did=did:plc:vc7f4oafdgxsihk4cry2xpze&did=did:plc:vc7f4oafdgxsihk4cry2xpze</code></p></li> 69 + <li><p><code>otherSubject</code>: optional, filter secondary links to specific subjects. Include multiple times to filter by multiple users. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></p></li> 70 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 71 + </ul> 72 + 73 + <p style="margin-bottom: 0"><strong>Try it:</strong></p> 74 + {% call try_it::get_many_to_many_counts( 75 + "at://did:plc:wshs7t2adsemcrrd4snkeqli/sh.tangled.label.definition/good-first-issue", 76 + "sh.tangled.label.op:add[].key", 77 + "subject", 78 + [""], 79 + [""], 80 + 25, 81 + ) %} 82 + 83 + 84 <h3 class="route"><code>GET /links</code></h3> 85 86 <p>A list of records linking to a target.</p> 87 88 + <p>[DEPRECATED]: use <code>GET /xrpc/blue.microcosm.links.getBacklinks</code>. New apps should avoid it, but this endpoint <strong>will</strong> remain supported for the forseeable future.</p> 89 + 90 <h4>Query parameters:</h4> 91 92 <ul> 93 + <li><p><code>target</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></p></li> 94 + <li><p><code>collection</code>: required. Example: <code>app.bsky.feed.like</code></p></li> 95 + <li><p><code>path</code>: required, must url-encode. Example: <code>.subject.uri</code></p></li> 96 + <li><p><code>did</code>: optional, filter links to those from specific users. Include multiple times to filter by multiple users. Example: <code>did=did:plc:vc7f4oafdgxsihk4cry2xpze&did=did:plc:vc7f4oafdgxsihk4cry2xpze</code></p></li> 97 + <li><p><code>from_dids</code> [deprecated]: optional. Use <code>did</code> instead. Example: <code>from_dids=did:plc:vc7f4oafdgxsihk4cry2xpze,did:plc:vc7f4oafdgxsihk4cry2xpze</code></p></li> 98 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 99 </ul> 100 101 <p style="margin-bottom: 0"><strong>Try it:</strong></p> 102 + {% call try_it::links("at://did:plc:a4pqq234yw7fqbddawjo7y35/app.bsky.feed.post/3m237ilwc372e", "app.bsky.feed.like", ".subject.uri", [""], 16) %} 103 104 105 <h3 class="route"><code>GET /links/distinct-dids</code></h3>

+2 -2

constellation/templates/links.html.j2

··· 6 7 {% block content %} 8 9 - {% call try_it::links(query.target, query.collection, query.path) %} 10 11 <h2> 12 Links to <code>{{ query.target }}</code> ··· 28 <pre style="display: block; margin: 1em 2em" class="code"><strong>DID</strong>: {{ record.did().0 }} (<a href="/links/all?target={{ record.did().0|urlencode }}">DID links</a>) 29 <strong>Collection</strong>: {{ record.collection }} 30 <strong>RKey</strong>: {{ record.rkey }} 31 - -> <a href="https://atproto-browser-plus-links.vercel.app/at/{{ record.did().0|urlencode }}/{{ record.collection }}/{{ record.rkey }}">browse record</a></pre> 32 {% endfor %} 33 34 {% if let Some(c) = cursor %}

··· 6 7 {% block content %} 8 9 + {% call try_it::links(query.target, query.collection, query.path, query.did, query.limit) %} 10 11 <h2> 12 Links to <code>{{ query.target }}</code> ··· 28 <pre style="display: block; margin: 1em 2em" class="code"><strong>DID</strong>: {{ record.did().0 }} (<a href="/links/all?target={{ record.did().0|urlencode }}">DID links</a>) 29 <strong>Collection</strong>: {{ record.collection }} 30 <strong>RKey</strong>: {{ record.rkey }} 31 + -> <a href="https://pdsls.dev/at://{{ record.did().0 }}/{{ record.collection }}/{{ record.rkey }}">browse record</a></pre> 32 {% endfor %} 33 34 {% if let Some(c) = cursor %}

+88 -3

constellation/templates/try-it-macros.html.j2

··· 1 - {% macro links(target, collection, path) %} 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 <form method="get" action="/links"> 3 <pre class="code"><strong>GET</strong> /links 4 ?target= <input type="text" name="target" value="{{ target }}" placeholder="target" /> 5 &collection= <input type="text" name="collection" value="{{ collection }}" placeholder="collection" /> 6 - &path= <input type="text" name="path" value="{{ path }}" placeholder="path" /> <button type="submit">get links</button></pre> 0 0 0 0 7 </form> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 {% endmacro %} 9 - 10 11 {% macro dids(target, collection, path) %} 12 <form method="get" action="/links/distinct-dids">

··· 1 + {% macro get_backlinks(subject, source, dids, limit) %} 2 + <form method="get" action="/xrpc/blue.microcosm.links.getBacklinks"> 3 + <pre class="code"><strong>GET</strong> /xrpc/blue.microcosm.links.getBacklinks 4 + ?subject= <input type="text" name="subject" value="{{ subject }}" placeholder="at-uri, did, uri..." /> 5 + &source= <input type="text" name="source" value="{{ source }}" placeholder="app.bsky.feed.like:subject.uri" /> 6 + {%- for did in dids %}{% if !did.is_empty() %} 7 + &did= <input type="text" name="did" value="{{ did }}" placeholder="did:plc:..." />{% endif %}{% endfor %} 8 + <span id="did-placeholder"></span> <button id="add-did">+ did filter</button> 9 + &limit= <input type="number" name="limit" value="{{ limit }}" max="100" placeholder="100" /> <button type="submit">get links</button></pre> 10 + </form> 11 + <script> 12 + const addDidButton = document.getElementById('add-did'); 13 + const didPlaceholder = document.getElementById('did-placeholder'); 14 + addDidButton.addEventListener('click', e => { 15 + e.preventDefault(); 16 + const i = document.createElement('input'); 17 + i.placeholder = 'did:plc:...'; 18 + i.name = "did" 19 + const p = addDidButton.parentNode; 20 + p.insertBefore(document.createTextNode('&did= '), didPlaceholder); 21 + p.insertBefore(i, didPlaceholder); 22 + p.insertBefore(document.createTextNode('\n '), didPlaceholder); 23 + }); 24 + </script> 25 + {% endmacro %} 26 + 27 + {% macro get_many_to_many_counts(subject, source, pathToOther, dids, otherSubjects, limit) %} 28 + <form method="get" action="/xrpc/blue.microcosm.links.getManyToManyCounts"> 29 + <pre class="code"><strong>GET</strong> /xrpc/blue.microcosm.links.getManyToManyCounts 30 + ?subject= <input type="text" name="subject" value="{{ subject }}" placeholder="at-uri, did, uri..." /> 31 + &source= <input type="text" name="source" value="{{ source }}" placeholder="app.bsky.feed.like:subject.uri" /> 32 + &pathToOther= <input type="text" name="pathToOther" value="{{ pathToOther }}" placeholder="otherThing.uri" /> 33 + {%- for did in dids %}{% if !did.is_empty() %} 34 + &did= <input type="text" name="did" value="{{ did }}" placeholder="did:plc:..." />{% endif %}{% endfor %} 35 + <span id="m2m-subject-placeholder"></span> <button id="m2m-add-subject">+ other subject filter</button> 36 + {%- for otherSubject in otherSubjects %}{% if !otherSubject.is_empty() %} 37 + &otherSubject= <input type="text" name="did" value="{{ otherSubject }}" placeholder="at-uri, did, uri..." />{% endif %}{% endfor %} 38 + <span id="m2m-did-placeholder"></span> <button id="m2m-add-did">+ did filter</button> 39 + &limit= <input type="number" name="limit" value="{{ limit }}" max="100" placeholder="100" /> <button type="submit">get links</button></pre> 40 + </form> 41 + <script> 42 + const m2mAddDidButton = document.getElementById('m2m-add-did'); 43 + const m2mDidPlaceholder = document.getElementById('m2m-did-placeholder'); 44 + m2mAddDidButton.addEventListener('click', e => { 45 + e.preventDefault(); 46 + const i = document.createElement('input'); 47 + i.placeholder = 'did:plc:...'; 48 + i.name = "did" 49 + const p = m2mAddDidButton.parentNode; 50 + p.insertBefore(document.createTextNode('&did= '), m2mDidPlaceholder); 51 + p.insertBefore(i, m2mDidPlaceholder); 52 + p.insertBefore(document.createTextNode('\n '), m2mDidPlaceholder); 53 + }); 54 + const m2mAddSubjectButton = document.getElementById('m2m-add-subject'); 55 + const m2mSubjectPlaceholder = document.getElementById('m2m-subject-placeholder'); 56 + m2mAddSubjectButton.addEventListener('click', e => { 57 + e.preventDefault(); 58 + const i = document.createElement('input'); 59 + i.placeholder = 'at-uri, did, uri...'; 60 + i.name = "otherSubject" 61 + const p = m2mAddSubjectButton.parentNode; 62 + p.insertBefore(document.createTextNode('&otherSubject= '), m2mSubjectPlaceholder); 63 + p.insertBefore(i, m2mSubjectPlaceholder); 64 + p.insertBefore(document.createTextNode('\n '), m2mSubjectPlaceholder); 65 + }); 66 + </script> 67 + {% endmacro %} 68 + 69 + {% macro links(target, collection, path, dids, limit) %} 70 <form method="get" action="/links"> 71 <pre class="code"><strong>GET</strong> /links 72 ?target= <input type="text" name="target" value="{{ target }}" placeholder="target" /> 73 &collection= <input type="text" name="collection" value="{{ collection }}" placeholder="collection" /> 74 + &path= <input type="text" name="path" value="{{ path }}" placeholder="path" /> 75 + {%- for did in dids %}{% if !did.is_empty() %} 76 + &did= <input type="text" name="did" value="{{ did }}" placeholder="did:plc:..." />{% endif %}{% endfor %} 77 + <span id="did-placeholder"></span> <button id="add-did">+ did filter</button> 78 + &limit= <input type="number" name="limit" value="{{ limit }}" max="100" placeholder="100" /> <button type="submit">get links</button></pre> 79 </form> 80 + <script> 81 + const addDidButton = document.getElementById('add-did'); 82 + const didPlaceholder = document.getElementById('did-placeholder'); 83 + addDidButton.addEventListener('click', e => { 84 + e.preventDefault(); 85 + const i = document.createElement('input'); 86 + i.placeholder = 'did:plc:...'; 87 + i.name = "did" 88 + const p = addDidButton.parentNode; 89 + p.insertBefore(document.createTextNode('&did= '), didPlaceholder); 90 + p.insertBefore(i, didPlaceholder); 91 + p.insertBefore(document.createTextNode('\n '), didPlaceholder); 92 + }); 93 + </script> 94 {% endmacro %} 0 95 96 {% macro dids(target, collection, path) %} 97 <form method="get" action="/links/distinct-dids">

-496

cozy-setup (move to another repo).md

··· 1 - cozy-ucosm 2 - 3 - 4 - ## gateway 5 - 6 - - tailscale (exit node enabled) 7 - -> allow ipv4 and ipv6 forwarding 8 - - caddy 9 - 10 - ```bash 11 - apt install golang 12 - go install github.com/caddyserver/xcaddy/cmd/xcaddy@latest 13 - go/bin/xcaddy build \ 14 - --with github.com/caddyserver/cache-handler \ 15 - --with github.com/darkweak/storages/badger/caddy \ 16 - --with github.com/mholt/caddy-ratelimit 17 - # then https://caddyserver.com/docs/running#manual-installation 18 - 19 - mkdir /var/cache/caddy-badger 20 - chown -R caddy:caddy /var/cache/caddy-badger/ 21 - ``` 22 - 23 - - `/etc/caddy/Caddyfile` 24 - 25 - ``` 26 - { 27 - cache { 28 - badger 29 - api { 30 - prometheus 31 - } 32 - } 33 - } 34 - 35 - links.bsky.bad-example.com { 36 - reverse_proxy link-aggregator:6789 37 - 38 - @browser `{header.Origin.startsWith("Mozilla/5.0")` 39 - rate_limit { 40 - zone global_burst { 41 - key {remote_host} 42 - events 10 43 - window 1s 44 - } 45 - zone global_general { 46 - key {remote_host} 47 - events 100 48 - window 60s 49 - log_key true 50 - } 51 - zone website_harsh_limit { 52 - key {header.Origin} 53 - match { 54 - expression {header.User-Agent}.startsWith("Mozilla/5.0") 55 - } 56 - events 1000 57 - window 30s 58 - log_key true 59 - } 60 - } 61 - respond /souin-api/metrics "denied" 403 # does not work 62 - cache { 63 - ttl 3s 64 - stale 1h 65 - default_cache_control public, s-maxage=3 66 - badger { 67 - path /var/cache/caddy-badger/links 68 - } 69 - } 70 - } 71 - 72 - gateway:80 { 73 - metrics 74 - cache 75 - } 76 - ``` 77 - well... the gateway fell over IMMEDIATELY with like 2 req/sec from deletions, with that ^^ config. for now i removed everything except the reverse proxy config + normal caddy metrics and it's running fine on vanilla caddy. i did try reducing the rate-limiting configs to a single, fixed-key global limit but it still ate all the ram and died. maybe badger w/ the cache config was still a problem. maybe it would have been ok on a machine with more than 1GB mem. 78 - 79 - 80 - alternative proxies: 81 - 82 - - nginx. i should probably just use this. acme-client is a piece of cake to set up, and i know how to configure it. 83 - - haproxy. also kind of familiar, it's old and stable. no idea how it handle low-mem (our 1gb) vs nginx. 84 - - sozu. popular rust thing, fast. doesn't have rate-limiting or cache feature? 85 - - rpxy. like caddy (auto-tls) but in rust and actually fast? has an "experimental" cache feature. but the cache feature looks good. 86 - - rama. build-your-own proxy. not sure that it has both cache and limiter in their standard features? 87 - - pingora. build-your-own cloudflare, so like, probably stable. has tools for cache and limiting. low-mem...? 88 - - cache stuff in pingora seems a little... hit and miss (byeeeee). only a test impl for Storage for the main cache feature? 89 - - but the rate-limiter has a guide: https://github.com/cloudflare/pingora/blob/main/docs/user_guide/rate_limiter.md 90 - 91 - what i want is low-resource reverse proxy with built-in rate-limiting and caching. but maybe cache (and/or ratelimiting) could be external to the reverse proxy 92 - - varnish is a dedicated cache. has https://github.com/varnish/varnish-modules/blob/master/src/vmod_vsthrottle.vcc 93 - - apache traffic control has experimental rate-limiting plugins 94 - 95 - 96 - - victoriametrics 97 - 98 - ```bash 99 - curl -LO https://github.com/VictoriaMetrics/VictoriaMetrics/releases/download/v1.109.1/victoria-metrics-linux-amd64-v1.109.1.tar.gz 100 - tar xzf victoria-metrics-linux-amd64-v1.109.1.tar.gz 101 - # and then https://docs.victoriametrics.com/quick-start/#starting-vm-single-from-a-binary 102 - sudo mkdir /etc/victoria-metrics && sudo chown -R victoriametrics:victoriametrics /etc/victoria-metrics 103 - 104 - ``` 105 - 106 - - `/etc/victoria-metrics/prometheus.yml` 107 - 108 - ```yaml 109 - global: 110 - scrape_interval: '15s' 111 - 112 - scrape_configs: 113 - - job_name: 'link_aggregator' 114 - static_configs: 115 - - targets: ['link-aggregator:8765'] 116 - - job_name: 'gateway:caddy' 117 - static_configs: 118 - - targets: ['gateway:80/metrics'] 119 - - job_name: 'gateway:cache' 120 - static_configs: 121 - - targets: ['gateway:80/souin-api/metrics'] 122 - ``` 123 - 124 - - `ExecStart` in `/etc/systemd/system/victoriametrics.service`: 125 - 126 - ``` 127 - ExecStart=/usr/local/bin/victoria-metrics-prod -storageDataPath=/var/lib/victoria-metrics -retentionPeriod=90d -selfScrapeInterval=1m -promscrape.config=/etc/victoria-metrics/prometheus.yml 128 - ``` 129 - 130 - - grafana 131 - 132 - followed `https://grafana.com/docs/grafana/latest/setup-grafana/installation/debian/#install-grafana-on-debian-or-ubuntu` 133 - 134 - something something something then 135 - 136 - ``` 137 - sudo grafana-cli --pluginUrl https://github.com/VictoriaMetrics/victoriametrics-datasource/releases/download/v0.11.1/victoriametrics-datasource-v0.11.1.zip plugins install victoriametrics 138 - ``` 139 - 140 - - raspi node_exporter 141 - 142 - ```bash 143 - curl -LO https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-armv7.tar.gz 144 - tar xzf node_exporter-1.8.2.linux-armv7.tar.gz 145 - sudo cp node_exporter-1.8.2.linux-armv7/node_exporter /usr/local/bin/ 146 - sudo useradd --no-create-home --shell /bin/false node_exporter 147 - sudo nano /etc/systemd/system/node_exporter.service 148 - # [Unit] 149 - # Description=Node Exporter 150 - # Wants=network-online.target 151 - # After=network-online.target 152 - 153 - # [Service] 154 - # User=node_exporter 155 - # Group=node_exporter 156 - # Type=simple 157 - # ExecStart=/usr/local/bin/node_exporter 158 - # Restart=always 159 - # RestartSec=3 160 - 161 - # [Install] 162 - # WantedBy=multi-user.target 163 - sudo systemctl daemon-reload 164 - sudo systemctl enable node_exporter.service 165 - sudo systemctl start node_exporter.service 166 - ``` 167 - 168 - todo: get raspi vcgencmd outputs into metrics 169 - 170 - - nginx on gateway 171 - 172 - ```nginx 173 - # in http 174 - 175 - ## 176 - # cozy cache 177 - ## 178 - proxy_cache_path /var/cache/nginx keys_zone=cozy_zone:10m; 179 - 180 - ## 181 - # cozy limit 182 - ## 183 - limit_req_zone $binary_remote_addr zone=cozy_ip_limit:10m rate=50r/s; 184 - limit_req_zone $server_name zone=cozy_global_limit:10m rate=1000r/s; 185 - 186 - # in sites-available/constellation.microcosm.blue 187 - 188 - upstream cozy_link_aggregator { 189 - server link-aggregator:6789; 190 - keepalive 16; 191 - } 192 - 193 - server { 194 - listen 8080; 195 - listen [::]:8080; 196 - 197 - server_name constellation.microcosm.blue; 198 - 199 - proxy_cache cozy_zone; 200 - proxy_cache_background_update on; 201 - proxy_cache_key "$scheme$proxy_host$uri$is_args$args$http_accept"; 202 - proxy_cache_lock on; # make simlutaneous requests for the same uri wait for it to appear in cache instead of hitting origin 203 - proxy_cache_lock_age 1s; 204 - proxy_cache_lock_timeout 2s; 205 - proxy_cache_valid 10s; # default -- should be explicitly set in the response headers 206 - proxy_cache_valid any 15s; # non-200s default 207 - proxy_read_timeout 5s; 208 - proxy_send_timeout 15s; 209 - proxy_socket_keepalive on; 210 - 211 - limit_req zone=cozy_ip_limit nodelay burst=100; 212 - limit_req zone=cozy_global_limit; 213 - limit_req_status 429; 214 - 215 - location / { 216 - proxy_pass http://cozy_link_aggregator; 217 - include proxy_params; 218 - proxy_http_version 1.1; 219 - proxy_set_header Connection ""; # for keepalive 220 - } 221 - } 222 - ``` 223 - 224 - also `systemctl edit nginx` and paste 225 - 226 - ``` 227 - [Service] 228 - Restart=always 229 - ``` 230 - 231 - —https://serverfault.com/a/1003373 232 - 233 - now making browsers redirect to the microcosm.blue url: 234 - 235 - ``` 236 - [...] 237 - server_name links.bsky.bad-example.com; 238 - 239 - add_header Access-Control-Allow-Origin * always; # bit of hack to have it here but nginx doesn't like it in the `if` 240 - if ($http_user_agent ~ ^Mozilla/) { 241 - # for now send *browsers* to the new location, hopefully without impacting api requests 242 - # (yeah we're doing UA test here and content-negotatiation in the app. whatever.) 243 - return 301 https://constellation.microcosm.blue$request_uri; 244 - } 245 - [...] 246 - ``` 247 - 248 - - nginx metrics 249 - 250 - - download nginx-prometheus-exporter 251 - https://github.com/nginx/nginx-prometheus-exporter/releases/download/v1.4.1/nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 252 - 253 - - err actually going to make mistakes and try with snap 254 - `snap install nginx-prometheus-exporter` 255 - - so it got a binary for me but no systemd task set up. boooo. 256 - `snap remove nginx-prometheus-exporter` 257 - 258 - - ```bash 259 - curl -LO https://github.com/nginx/nginx-prometheus-exporter/releases/download/v1.4.1/nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 260 - tar xzf nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 261 - mv nginx-prometheus-exporter /usr/local/bin 262 - useradd --no-create-home --shell /bin/false nginx-prometheus-exporter 263 - nano /etc/systemd/system/nginx-prometheus-exporter.service 264 - # [Unit] 265 - # Description=NGINX Exporter 266 - # Wants=network-online.target 267 - # After=network-online.target 268 - 269 - # [Service] 270 - # User=nginx-prometheus-exporter 271 - # Group=nginx-prometheus-exporter 272 - # Type=simple 273 - # ExecStart=/usr/local/bin/nginx-prometheus-exporter --nginx.scrape-uri=http://gateway:8080/stub_status --web.listen-address=gateway:9113 274 - # Restart=always 275 - # RestartSec=3 276 - 277 - # [Install] 278 - # WantedBy=multi-user.target 279 - systemctl daemon-reload 280 - systemctl start nginx-prometheus-exporter.service 281 - systemctl enable nginx-prometheus-exporter.service 282 - ``` 283 - 284 - - nginx `/etc/nginx/sites-available/gateway-nginx-status` 285 - 286 - ```nginx 287 - server { 288 - listen 8080; 289 - listen [::]:8080; 290 - 291 - server_name gateway; 292 - 293 - location /stub_status { 294 - stub_status; 295 - } 296 - location / { 297 - return 404; 298 - } 299 - } 300 - ``` 301 - 302 - ```bash 303 - ln -s /etc/nginx/sites-available/gateway-nginx-status /etc/nginx/sites-enabled/ 304 - ``` 305 - 306 - 307 - ## bootes (pi5) 308 - 309 - - mount sd card, touch `ssh` file echo `echo "pi:$(echo raspberry | openssl passwd -6 -stdin)" > userconf.txt` 310 - - raspi-config: enable pcie 3, set hostname, enable ssh 311 - - put ssh key into `.ssh/authorized_keys` 312 - - put `PasswordAuthentication no` in `/etc/ssh/sshd_config` 313 - - `sudo apt update && sudo apt upgrade` 314 - - `sudo apt install xfsprogs` 315 - - `sudo mkfs.xfs -L c11n-kv /dev/nvme0n1` 316 - - `sudo mount /dev/nvme0n1 /mnt` 317 - - set up tailscale 318 - - `sudo tailscale up` 319 - - `git clone https://github.com/atcosm/links.git` 320 - - tailscale: disable bootes key expiry 321 - - rustup `curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh` 322 - - `cd links/constellation` 323 - - `sudo apt install libssl-dev` needed 324 - - `sudo apt install clang` needed for bindgen 325 - - (in tmux) `cargo build --release` 326 - - `mkdir ~/backup` 327 - - `sudo mount.cifs "//truenas.local/folks data" /home/pi/backup -o user=phil,uid=pi` 328 - - `sudo chown pi:pi /mnt/` 329 - - `RUST_BACKTRACE=full cargo run --bin rocks-restore-from-backup --release -- --from-backup-dir "/home/pi/backup/constellation-index" --to-data-dir /mnt/constellation-index` 330 - etc 331 - - follow above `- raspi node_exporter` 332 - - configure victoriametrics to scrape the new pi 333 - - configure ulimit before starting! `ulimit -n 16384` 334 - - `RUST_BACKTRACE=full cargo run --release -- --backend rocks --data /mnt/constellation-index/ --jetstream us-east-2 --backup /home/pi/backup/constellation-index --backup-interval 6 --max-old-backups 20` 335 - - add server to nginx gateway upstream: ` server 100.123.79.12:6789; # bootes` 336 - - stop backups from running on the older instance! `RUST_BACKTRACE=full cargo run --release -- --backend rocks --data /mnt/links-2.rocks/ --jetstream us-east-1` 337 - - stop upstreaming requests to older instance in nginx 338 - 339 - 340 - - systemd unit for running: `sudo nano /etc/systemd/system/constellation.service` 341 - 342 - ```ini 343 - [Unit] 344 - Description=Constellation backlinks index 345 - After=network.target 346 - 347 - [Service] 348 - User=pi 349 - WorkingDirectory=/home/pi/links/constellation 350 - ExecStart=/home/pi/links/target/release/main --backend rocks --data /mnt/constellation-index/ --jetstream us-east-2 --backup /home/pi/backup/constellation-index --backup-interval 6 --max-old-backups 20 351 - LimitNOFILE=16384 352 - Restart=always 353 - 354 - [Install] 355 - WantedBy=multi-user.target 356 - ``` 357 - 358 - 359 - - todo: overlayfs? would need to figure out builds/updates still, also i guess logs are currently written to sd? (oof) 360 - - todo: cross-compile for raspi? 361 - 362 - --- 363 - 364 - some todos 365 - 366 - - [x] tailscale: exit node 367 - - [!] link_aggregator: use exit node 368 - -> worked, but reverted for now: tailscale on raspi was consuming ~50% cpu for the jetstream traffic. this might be near its max since it would have been catching up at the time (max jetstream throughput) but it feels a bit too much. we have to trust the jetstream server and link_aggregator doesn't (yet) make any other external connections, so for now the raspi connects directly from my home again. 369 - - [x] caddy: reverse proxy 370 - - [x] build with cache and rate-limit plugins 371 - - [x] configure systemd to keep it alive 372 - - [x] configure caddy cache 373 - - [x] configure caddy rate-limit 374 - - [ ] configure ~caddy~ nginx to use a health check (once it's added) 375 - - [ ] ~configure caddy to only expose cache metrics to tailnet :/~ 376 - - [x] make some grafana dashboards 377 - - [ ] raspi: mount /dev/sda on boot 378 - - [ ] raspi: run link_aggregator via systemd so it starts on startup (and restarts?) 379 - 380 - - [x] use nginx instead of caddy 381 - - [x] nginx: enable cache 382 - - [x] nginx: rate-limit 383 - - [ ] nginx: get metrics 384 - 385 - 386 - 387 - 388 - --- 389 - 390 - nginx cors for constellation + small burst bump 391 - 392 - ```nginx 393 - upstream cozy_constellation { 394 - server <tailnet ip>:6789; # bootes; ip so that we don't race on reboot with tailscale coming up, which nginx doesn't like 395 - keepalive 16; 396 - } 397 - 398 - server { 399 - server_name constellation.microcosm.blue; 400 - 401 - proxy_cache cozy_zone; 402 - proxy_cache_background_update on; 403 - proxy_cache_key "$scheme$proxy_host$uri$is_args$args$http_accept"; 404 - proxy_cache_lock on; # make simlutaneous requests for the same uri wait for it to appear in cache instead of hitting origin 405 - proxy_cache_lock_age 1s; 406 - proxy_cache_lock_timeout 2s; 407 - proxy_cache_valid 10s; # default -- should be explicitly set in the response headers 408 - proxy_cache_valid any 2s; # non-200s default 409 - proxy_read_timeout 5s; 410 - proxy_send_timeout 15s; 411 - proxy_socket_keepalive on; 412 - 413 - # take over cors responsibility from upsteram. `always` applies it to error responses. 414 - proxy_hide_header 'Access-Control-Allow-Origin'; 415 - proxy_hide_header 'Access-Control-Allowed-Methods'; 416 - proxy_hide_header 'Access-Control-Allow-Headers'; 417 - add_header 'Access-Control-Allow-Origin' '*' always; 418 - add_header 'Access-Control-Allow-Methods' 'GET' always; 419 - add_header 'Access-Control-Allow-Headers' '*' always; 420 - 421 - 422 - limit_req zone=cozy_ip_limit nodelay burst=150; 423 - limit_req zone=cozy_global_limit burst=1800; 424 - limit_req_status 429; 425 - 426 - location / { 427 - proxy_pass http://cozy_constellation; 428 - include proxy_params; 429 - proxy_http_version 1.1; 430 - proxy_set_header Connection ""; # for keepalive 431 - } 432 - 433 - 434 - listen 443 ssl; # managed by Certbot 435 - ssl_certificate /etc/letsencrypt/live/constellation.microcosm.blue/fullchain.pem; # managed by Certbot 436 - ssl_certificate_key /etc/letsencrypt/live/constellation.microcosm.blue/privkey.pem; # managed by Certbot 437 - include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot 438 - ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot 439 - 440 - } 441 - 442 - server { 443 - if ($host = constellation.microcosm.blue) { 444 - return 301 https://$host$request_uri; 445 - } # managed by Certbot 446 - 447 - 448 - server_name constellation.microcosm.blue; 449 - listen 80; 450 - return 404; # managed by Certbot 451 - } 452 - ``` 453 - 454 - re-reading about `nodelay`, i should probably remove it -- nginx would then queue requests to upstream, but still service them at the configured limit. it's fine for my internet since the global limit isn't nodelay, but probably less "fair" to clients if there's contention around the global limit (earlier requests would get all of theirs serviced before later ones can get in the queue) 455 - 456 - leaving it for now though. 457 - 458 - 459 - ### nginx logs to prom 460 - 461 - ```bash 462 - curl -LO https://github.com/martin-helmich/prometheus-nginxlog-exporter/releases/download/v1.11.0/prometheus-nginxlog-exporter_1.11.0_linux_amd64.deb 463 - apt install ./prometheus-nginxlog-exporter_1.11.0_linux_amd64.deb 464 - systemctl enable prometheus-nginxlog-exporter.service 465 - 466 - ``` 467 - 468 - have it run as www-data (maybe not the best idea but...) 469 - file `/usr/lib/systemd/system/prometheus-nginxlog-exporter.service` 470 - set User under service and remove capabilities bounding 471 - 472 - ```systemd 473 - User=www-data 474 - #CapabilityBoundingSet= 475 - ``` 476 - 477 - in `nginx.conf` in `http`: 478 - 479 - ```nginx 480 - log_format constellation_format "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\""; 481 - ``` 482 - 483 - in `sites-available/constellation.microcosm.blue` in `server`: 484 - 485 - ```nginx 486 - # log format must match prometheus-nginx-log-exporter 487 - access_log /var/log/nginx/constellation-access.log constellation_format; 488 - ``` 489 - 490 - config at `/etc/prometheus-nginxlog-exporter.hcl` 491 - 492 - 493 - 494 - ```bash 495 - systemctl start prometheus-nginxlog-exporter.service 496 - ```

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jetstream/Cargo.toml

··· 10 11 [dependencies] 12 async-trait = "0.1.83" 13 - atrium-api = { git = "https://github.com/uniphil/atrium", branch = "fix/nsid-allow-nonleading-name-digits", default-features = false, features = [ 14 "namespace-appbsky", 15 ] } 16 tokio = { version = "1.44.2", features = ["full", "sync", "time"] }

··· 10 11 [dependencies] 12 async-trait = "0.1.83" 13 + atrium-api = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace", default-features = false, features = [ 14 "namespace-appbsky", 15 ] } 16 tokio = { version = "1.44.2", features = ["full", "sync", "time"] }

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legacy/cozy-setup (move to another repo).md

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··· 1 + cozy-ucosm 2 + 3 + 4 + ## gateway 5 + 6 + - tailscale (exit node enabled) 7 + -> allow ipv4 and ipv6 forwarding 8 + - caddy 9 + 10 + ```bash 11 + apt install golang 12 + go install github.com/caddyserver/xcaddy/cmd/xcaddy@latest 13 + go/bin/xcaddy build \ 14 + --with github.com/caddyserver/cache-handler \ 15 + --with github.com/darkweak/storages/badger/caddy \ 16 + --with github.com/mholt/caddy-ratelimit 17 + # then https://caddyserver.com/docs/running#manual-installation 18 + 19 + mkdir /var/cache/caddy-badger 20 + chown -R caddy:caddy /var/cache/caddy-badger/ 21 + ``` 22 + 23 + - `/etc/caddy/Caddyfile` 24 + 25 + ``` 26 + { 27 + cache { 28 + badger 29 + api { 30 + prometheus 31 + } 32 + } 33 + } 34 + 35 + links.bsky.bad-example.com { 36 + reverse_proxy link-aggregator:6789 37 + 38 + @browser `{header.Origin.startsWith("Mozilla/5.0")` 39 + rate_limit { 40 + zone global_burst { 41 + key {remote_host} 42 + events 10 43 + window 1s 44 + } 45 + zone global_general { 46 + key {remote_host} 47 + events 100 48 + window 60s 49 + log_key true 50 + } 51 + zone website_harsh_limit { 52 + key {header.Origin} 53 + match { 54 + expression {header.User-Agent}.startsWith("Mozilla/5.0") 55 + } 56 + events 1000 57 + window 30s 58 + log_key true 59 + } 60 + } 61 + respond /souin-api/metrics "denied" 403 # does not work 62 + cache { 63 + ttl 3s 64 + stale 1h 65 + default_cache_control public, s-maxage=3 66 + badger { 67 + path /var/cache/caddy-badger/links 68 + } 69 + } 70 + } 71 + 72 + gateway:80 { 73 + metrics 74 + cache 75 + } 76 + ``` 77 + well... the gateway fell over IMMEDIATELY with like 2 req/sec from deletions, with that ^^ config. for now i removed everything except the reverse proxy config + normal caddy metrics and it's running fine on vanilla caddy. i did try reducing the rate-limiting configs to a single, fixed-key global limit but it still ate all the ram and died. maybe badger w/ the cache config was still a problem. maybe it would have been ok on a machine with more than 1GB mem. 78 + 79 + 80 + alternative proxies: 81 + 82 + - nginx. i should probably just use this. acme-client is a piece of cake to set up, and i know how to configure it. 83 + - haproxy. also kind of familiar, it's old and stable. no idea how it handle low-mem (our 1gb) vs nginx. 84 + - sozu. popular rust thing, fast. doesn't have rate-limiting or cache feature? 85 + - rpxy. like caddy (auto-tls) but in rust and actually fast? has an "experimental" cache feature. but the cache feature looks good. 86 + - rama. build-your-own proxy. not sure that it has both cache and limiter in their standard features? 87 + - pingora. build-your-own cloudflare, so like, probably stable. has tools for cache and limiting. low-mem...? 88 + - cache stuff in pingora seems a little... hit and miss (byeeeee). only a test impl for Storage for the main cache feature? 89 + - but the rate-limiter has a guide: https://github.com/cloudflare/pingora/blob/main/docs/user_guide/rate_limiter.md 90 + 91 + what i want is low-resource reverse proxy with built-in rate-limiting and caching. but maybe cache (and/or ratelimiting) could be external to the reverse proxy 92 + - varnish is a dedicated cache. has https://github.com/varnish/varnish-modules/blob/master/src/vmod_vsthrottle.vcc 93 + - apache traffic control has experimental rate-limiting plugins 94 + 95 + 96 + - victoriametrics 97 + 98 + ```bash 99 + curl -LO https://github.com/VictoriaMetrics/VictoriaMetrics/releases/download/v1.109.1/victoria-metrics-linux-amd64-v1.109.1.tar.gz 100 + tar xzf victoria-metrics-linux-amd64-v1.109.1.tar.gz 101 + # and then https://docs.victoriametrics.com/quick-start/#starting-vm-single-from-a-binary 102 + sudo mkdir /etc/victoria-metrics && sudo chown -R victoriametrics:victoriametrics /etc/victoria-metrics 103 + 104 + ``` 105 + 106 + - `/etc/victoria-metrics/prometheus.yml` 107 + 108 + ```yaml 109 + global: 110 + scrape_interval: '15s' 111 + 112 + scrape_configs: 113 + - job_name: 'link_aggregator' 114 + static_configs: 115 + - targets: ['link-aggregator:8765'] 116 + - job_name: 'gateway:caddy' 117 + static_configs: 118 + - targets: ['gateway:80/metrics'] 119 + - job_name: 'gateway:cache' 120 + static_configs: 121 + - targets: ['gateway:80/souin-api/metrics'] 122 + ``` 123 + 124 + - `ExecStart` in `/etc/systemd/system/victoriametrics.service`: 125 + 126 + ``` 127 + ExecStart=/usr/local/bin/victoria-metrics-prod -storageDataPath=/var/lib/victoria-metrics -retentionPeriod=90d -selfScrapeInterval=1m -promscrape.config=/etc/victoria-metrics/prometheus.yml 128 + ``` 129 + 130 + - grafana 131 + 132 + followed `https://grafana.com/docs/grafana/latest/setup-grafana/installation/debian/#install-grafana-on-debian-or-ubuntu` 133 + 134 + something something something then 135 + 136 + ``` 137 + sudo grafana-cli --pluginUrl https://github.com/VictoriaMetrics/victoriametrics-datasource/releases/download/v0.11.1/victoriametrics-datasource-v0.11.1.zip plugins install victoriametrics 138 + ``` 139 + 140 + - raspi node_exporter 141 + 142 + ```bash 143 + curl -LO https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-armv7.tar.gz 144 + tar xzf node_exporter-1.8.2.linux-armv7.tar.gz 145 + sudo cp node_exporter-1.8.2.linux-armv7/node_exporter /usr/local/bin/ 146 + sudo useradd --no-create-home --shell /bin/false node_exporter 147 + sudo nano /etc/systemd/system/node_exporter.service 148 + # [Unit] 149 + # Description=Node Exporter 150 + # Wants=network-online.target 151 + # After=network-online.target 152 + 153 + # [Service] 154 + # User=node_exporter 155 + # Group=node_exporter 156 + # Type=simple 157 + # ExecStart=/usr/local/bin/node_exporter 158 + # Restart=always 159 + # RestartSec=3 160 + 161 + # [Install] 162 + # WantedBy=multi-user.target 163 + sudo systemctl daemon-reload 164 + sudo systemctl enable node_exporter.service 165 + sudo systemctl start node_exporter.service 166 + ``` 167 + 168 + todo: get raspi vcgencmd outputs into metrics 169 + 170 + - nginx on gateway 171 + 172 + ```nginx 173 + # in http 174 + 175 + ## 176 + # cozy cache 177 + ## 178 + proxy_cache_path /var/cache/nginx keys_zone=cozy_zone:10m; 179 + 180 + ## 181 + # cozy limit 182 + ## 183 + limit_req_zone $binary_remote_addr zone=cozy_ip_limit:10m rate=50r/s; 184 + limit_req_zone $server_name zone=cozy_global_limit:10m rate=1000r/s; 185 + 186 + # in sites-available/constellation.microcosm.blue 187 + 188 + upstream cozy_link_aggregator { 189 + server link-aggregator:6789; 190 + keepalive 16; 191 + } 192 + 193 + server { 194 + listen 8080; 195 + listen [::]:8080; 196 + 197 + server_name constellation.microcosm.blue; 198 + 199 + proxy_cache cozy_zone; 200 + proxy_cache_background_update on; 201 + proxy_cache_key "$scheme$proxy_host$uri$is_args$args$http_accept"; 202 + proxy_cache_lock on; # make simlutaneous requests for the same uri wait for it to appear in cache instead of hitting origin 203 + proxy_cache_lock_age 1s; 204 + proxy_cache_lock_timeout 2s; 205 + proxy_cache_valid 10s; # default -- should be explicitly set in the response headers 206 + proxy_cache_valid any 15s; # non-200s default 207 + proxy_read_timeout 5s; 208 + proxy_send_timeout 15s; 209 + proxy_socket_keepalive on; 210 + 211 + limit_req zone=cozy_ip_limit nodelay burst=100; 212 + limit_req zone=cozy_global_limit; 213 + limit_req_status 429; 214 + 215 + location / { 216 + proxy_pass http://cozy_link_aggregator; 217 + include proxy_params; 218 + proxy_http_version 1.1; 219 + proxy_set_header Connection ""; # for keepalive 220 + } 221 + } 222 + ``` 223 + 224 + also `systemctl edit nginx` and paste 225 + 226 + ``` 227 + [Service] 228 + Restart=always 229 + ``` 230 + 231 + —https://serverfault.com/a/1003373 232 + 233 + now making browsers redirect to the microcosm.blue url: 234 + 235 + ``` 236 + [...] 237 + server_name links.bsky.bad-example.com; 238 + 239 + add_header Access-Control-Allow-Origin * always; # bit of hack to have it here but nginx doesn't like it in the `if` 240 + if ($http_user_agent ~ ^Mozilla/) { 241 + # for now send *browsers* to the new location, hopefully without impacting api requests 242 + # (yeah we're doing UA test here and content-negotatiation in the app. whatever.) 243 + return 301 https://constellation.microcosm.blue$request_uri; 244 + } 245 + [...] 246 + ``` 247 + 248 + - nginx metrics 249 + 250 + - download nginx-prometheus-exporter 251 + https://github.com/nginx/nginx-prometheus-exporter/releases/download/v1.4.1/nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 252 + 253 + - err actually going to make mistakes and try with snap 254 + `snap install nginx-prometheus-exporter` 255 + - so it got a binary for me but no systemd task set up. boooo. 256 + `snap remove nginx-prometheus-exporter` 257 + 258 + - ```bash 259 + curl -LO https://github.com/nginx/nginx-prometheus-exporter/releases/download/v1.4.1/nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 260 + tar xzf nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 261 + mv nginx-prometheus-exporter /usr/local/bin 262 + useradd --no-create-home --shell /bin/false nginx-prometheus-exporter 263 + nano /etc/systemd/system/nginx-prometheus-exporter.service 264 + # [Unit] 265 + # Description=NGINX Exporter 266 + # Wants=network-online.target 267 + # After=network-online.target 268 + 269 + # [Service] 270 + # User=nginx-prometheus-exporter 271 + # Group=nginx-prometheus-exporter 272 + # Type=simple 273 + # ExecStart=/usr/local/bin/nginx-prometheus-exporter --nginx.scrape-uri=http://gateway:8080/stub_status --web.listen-address=gateway:9113 274 + # Restart=always 275 + # RestartSec=3 276 + 277 + # [Install] 278 + # WantedBy=multi-user.target 279 + systemctl daemon-reload 280 + systemctl start nginx-prometheus-exporter.service 281 + systemctl enable nginx-prometheus-exporter.service 282 + ``` 283 + 284 + - nginx `/etc/nginx/sites-available/gateway-nginx-status` 285 + 286 + ```nginx 287 + server { 288 + listen 8080; 289 + listen [::]:8080; 290 + 291 + server_name gateway; 292 + 293 + location /stub_status { 294 + stub_status; 295 + } 296 + location / { 297 + return 404; 298 + } 299 + } 300 + ``` 301 + 302 + ```bash 303 + ln -s /etc/nginx/sites-available/gateway-nginx-status /etc/nginx/sites-enabled/ 304 + ``` 305 + 306 + 307 + ## bootes (pi5) 308 + 309 + - mount sd card, touch `ssh` file echo `echo "pi:$(echo raspberry | openssl passwd -6 -stdin)" > userconf.txt` 310 + - raspi-config: enable pcie 3, set hostname, enable ssh 311 + - put ssh key into `.ssh/authorized_keys` 312 + - put `PasswordAuthentication no` in `/etc/ssh/sshd_config` 313 + - `sudo apt update && sudo apt upgrade` 314 + - `sudo apt install xfsprogs` 315 + - `sudo mkfs.xfs -L c11n-kv /dev/nvme0n1` 316 + - `sudo mount /dev/nvme0n1 /mnt` 317 + - set up tailscale 318 + - `sudo tailscale up` 319 + - `git clone https://github.com/atcosm/links.git` 320 + - tailscale: disable bootes key expiry 321 + - rustup `curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh` 322 + - `cd links/constellation` 323 + - `sudo apt install libssl-dev` needed 324 + - `sudo apt install clang` needed for bindgen 325 + - (in tmux) `cargo build --release` 326 + - `mkdir ~/backup` 327 + - `sudo mount.cifs "//truenas.local/folks data" /home/pi/backup -o user=phil,uid=pi` 328 + - `sudo chown pi:pi /mnt/` 329 + - `RUST_BACKTRACE=full cargo run --bin rocks-restore-from-backup --release -- --from-backup-dir "/home/pi/backup/constellation-index" --to-data-dir /mnt/constellation-index` 330 + etc 331 + - follow above `- raspi node_exporter` 332 + - configure victoriametrics to scrape the new pi 333 + - configure ulimit before starting! `ulimit -n 16384` 334 + - `RUST_BACKTRACE=full cargo run --release -- --backend rocks --data /mnt/constellation-index/ --jetstream us-east-2 --backup /home/pi/backup/constellation-index --backup-interval 6 --max-old-backups 20` 335 + - add server to nginx gateway upstream: ` server 100.123.79.12:6789; # bootes` 336 + - stop backups from running on the older instance! `RUST_BACKTRACE=full cargo run --release -- --backend rocks --data /mnt/links-2.rocks/ --jetstream us-east-1` 337 + - stop upstreaming requests to older instance in nginx 338 + 339 + 340 + - systemd unit for running: `sudo nano /etc/systemd/system/constellation.service` 341 + 342 + ```ini 343 + [Unit] 344 + Description=Constellation backlinks index 345 + After=network.target 346 + 347 + [Service] 348 + User=pi 349 + WorkingDirectory=/home/pi/links/constellation 350 + ExecStart=/home/pi/links/target/release/main --backend rocks --data /mnt/constellation-index/ --jetstream us-east-2 --backup /home/pi/backup/constellation-index --backup-interval 6 --max-old-backups 20 351 + LimitNOFILE=16384 352 + Restart=always 353 + 354 + [Install] 355 + WantedBy=multi-user.target 356 + ``` 357 + 358 + 359 + - todo: overlayfs? would need to figure out builds/updates still, also i guess logs are currently written to sd? (oof) 360 + - todo: cross-compile for raspi? 361 + 362 + --- 363 + 364 + some todos 365 + 366 + - [x] tailscale: exit node 367 + - [!] link_aggregator: use exit node 368 + -> worked, but reverted for now: tailscale on raspi was consuming ~50% cpu for the jetstream traffic. this might be near its max since it would have been catching up at the time (max jetstream throughput) but it feels a bit too much. we have to trust the jetstream server and link_aggregator doesn't (yet) make any other external connections, so for now the raspi connects directly from my home again. 369 + - [x] caddy: reverse proxy 370 + - [x] build with cache and rate-limit plugins 371 + - [x] configure systemd to keep it alive 372 + - [x] configure caddy cache 373 + - [x] configure caddy rate-limit 374 + - [ ] configure ~caddy~ nginx to use a health check (once it's added) 375 + - [ ] ~configure caddy to only expose cache metrics to tailnet :/~ 376 + - [x] make some grafana dashboards 377 + - [ ] raspi: mount /dev/sda on boot 378 + - [ ] raspi: run link_aggregator via systemd so it starts on startup (and restarts?) 379 + 380 + - [x] use nginx instead of caddy 381 + - [x] nginx: enable cache 382 + - [x] nginx: rate-limit 383 + - [ ] nginx: get metrics 384 + 385 + 386 + 387 + 388 + --- 389 + 390 + nginx cors for constellation + small burst bump 391 + 392 + ```nginx 393 + upstream cozy_constellation { 394 + server <tailnet ip>:6789; # bootes; ip so that we don't race on reboot with tailscale coming up, which nginx doesn't like 395 + keepalive 16; 396 + } 397 + 398 + server { 399 + server_name constellation.microcosm.blue; 400 + 401 + proxy_cache cozy_zone; 402 + proxy_cache_background_update on; 403 + proxy_cache_key "$scheme$proxy_host$uri$is_args$args$http_accept"; 404 + proxy_cache_lock on; # make simlutaneous requests for the same uri wait for it to appear in cache instead of hitting origin 405 + proxy_cache_lock_age 1s; 406 + proxy_cache_lock_timeout 2s; 407 + proxy_cache_valid 10s; # default -- should be explicitly set in the response headers 408 + proxy_cache_valid any 2s; # non-200s default 409 + proxy_read_timeout 5s; 410 + proxy_send_timeout 15s; 411 + proxy_socket_keepalive on; 412 + 413 + # take over cors responsibility from upsteram. `always` applies it to error responses. 414 + proxy_hide_header 'Access-Control-Allow-Origin'; 415 + proxy_hide_header 'Access-Control-Allowed-Methods'; 416 + proxy_hide_header 'Access-Control-Allow-Headers'; 417 + add_header 'Access-Control-Allow-Origin' '*' always; 418 + add_header 'Access-Control-Allow-Methods' 'GET' always; 419 + add_header 'Access-Control-Allow-Headers' '*' always; 420 + 421 + 422 + limit_req zone=cozy_ip_limit nodelay burst=150; 423 + limit_req zone=cozy_global_limit burst=1800; 424 + limit_req_status 429; 425 + 426 + location / { 427 + proxy_pass http://cozy_constellation; 428 + include proxy_params; 429 + proxy_http_version 1.1; 430 + proxy_set_header Connection ""; # for keepalive 431 + } 432 + 433 + 434 + listen 443 ssl; # managed by Certbot 435 + ssl_certificate /etc/letsencrypt/live/constellation.microcosm.blue/fullchain.pem; # managed by Certbot 436 + ssl_certificate_key /etc/letsencrypt/live/constellation.microcosm.blue/privkey.pem; # managed by Certbot 437 + include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot 438 + ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot 439 + 440 + } 441 + 442 + server { 443 + if ($host = constellation.microcosm.blue) { 444 + return 301 https://$host$request_uri; 445 + } # managed by Certbot 446 + 447 + 448 + server_name constellation.microcosm.blue; 449 + listen 80; 450 + return 404; # managed by Certbot 451 + } 452 + ``` 453 + 454 + re-reading about `nodelay`, i should probably remove it -- nginx would then queue requests to upstream, but still service them at the configured limit. it's fine for my internet since the global limit isn't nodelay, but probably less "fair" to clients if there's contention around the global limit (earlier requests would get all of theirs serviced before later ones can get in the queue) 455 + 456 + leaving it for now though. 457 + 458 + 459 + ### nginx logs to prom 460 + 461 + ```bash 462 + curl -LO https://github.com/martin-helmich/prometheus-nginxlog-exporter/releases/download/v1.11.0/prometheus-nginxlog-exporter_1.11.0_linux_amd64.deb 463 + apt install ./prometheus-nginxlog-exporter_1.11.0_linux_amd64.deb 464 + systemctl enable prometheus-nginxlog-exporter.service 465 + 466 + ``` 467 + 468 + have it run as www-data (maybe not the best idea but...) 469 + file `/usr/lib/systemd/system/prometheus-nginxlog-exporter.service` 470 + set User under service and remove capabilities bounding 471 + 472 + ```systemd 473 + User=www-data 474 + #CapabilityBoundingSet= 475 + ``` 476 + 477 + in `nginx.conf` in `http`: 478 + 479 + ```nginx 480 + log_format constellation_format "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\""; 481 + ``` 482 + 483 + in `sites-available/constellation.microcosm.blue` in `server`: 484 + 485 + ```nginx 486 + # log format must match prometheus-nginx-log-exporter 487 + access_log /var/log/nginx/constellation-access.log constellation_format; 488 + ``` 489 + 490 + config at `/etc/prometheus-nginxlog-exporter.hcl` 491 + 492 + 493 + 494 + ```bash 495 + systemctl start prometheus-nginxlog-exporter.service 496 + ```

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legacy/old-readme-details.md

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··· 1 + [Constellation](./constellation/) 2 + -------------------------------------------- 3 + 4 + A global atproto backlink index ✨ 5 + 6 + - Self hostable: handles the full write throughput of the global atproto firehose on a raspberry pi 4b + single SSD 7 + - Storage efficient: less than 2GB/day disk consumption indexing all references in all lexicons and all non-atproto URLs 8 + - Handles record deletion, account de/re-activation, and account deletion, ensuring accurate link counts and respecting users data choices 9 + - Simple JSON API 10 + 11 + All social interactions in atproto tend to be represented by links (or references) between PDS records. This index can answer questions like "how many likes does a bsky post have", "who follows an account", "what are all the comments on a [frontpage](https://frontpage.fyi/) post", and more. 12 + 13 + - **status**: works! api is unstable and likely to change, and no known instances have a full network backfill yet. 14 + - source: [./constellation/](./constellation/) 15 + - public instance: [constellation.microcosm.blue](https://constellation.microcosm.blue/) 16 + 17 + _note: the public instance currently runs on a little raspberry pi in my house, feel free to use it! it comes with only with best-effort uptime, no commitment to not breaking the api for now, and possible rate-limiting. if you want to be nice you can put your project name and bsky username (or email) in your user-agent header for api requests._ 18 + 19 + 20 + App: Spacedust 21 + -------------- 22 + 23 + A notification subscription service 💫 24 + 25 + using the same "link source" concept as [constellation](./constellation/), offer webhook notifications for new references created to records 26 + 27 + - **status**: in design 28 + 29 + 30 + Library: [links](./links/) 31 + ------------------------------------ 32 + 33 + A rust crate (not published on crates.io yet) for optimistically parsing links out of arbitrary atproto PDS records, and potentially canonicalizing them 34 + 35 + - **status**: unstable, might remain an internal lib for constellation (and spacedust, soon)

+123

legacy/original-notes.md

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··· 1 + --- 2 + 3 + 4 + old notes follow, ignore 5 + ------------------------ 6 + 7 + 8 + as far as i can tell, atproto lexicons today don't follow much of a convention for referencing across documents: sometimes it's a StrongRef, sometimes it's a DID, sometimes it's a bare at-uri. lexicon authors choose any old link-sounding key name for the key in their document. 9 + 10 + it's pretty messy so embrace the mess: atproto wants to be part of the web, so this library will also extract URLs and other URIs if you want it to. all the links. 11 + 12 + 13 + why 14 + --- 15 + 16 + the atproto firehose that bluesky sprays at you will contain raw _contents_ from peoples' pdses. these are isolated, decontextualized updates. it's very easy to build some kinds of interesting downstream apps off of this feed. 17 + 18 + - bluesky posts (firesky, deletions, ) 19 + - blueksy post stats (emojis, ) 20 + - trending keywords () 21 + 22 + but bringing almost kind of _context_ into your project requires a big step up in complexity and potentially cost: you're entering "appview" territory. _how many likes does a post have? who follows this account?_ 23 + 24 + you own your atproto data: it's kept in your personal data repository (PDS) and noone else can write to it. when someone likes your post, they create a "like" record in their _own_ pds, and that like belongs to _them_, not to you/your post. 25 + 26 + in the firehose you'll see a `app.bsky.feed.post` record created, with no details about who has liked it. then you'll see separate `app.bsky.feed.like` records show up for each like that comes in on that post, with no context about the post except a random-looking reference to it. storing these in order to do so is up to you! 27 + 28 + **so, why** 29 + 30 + everything is links, and they're a mess, but they all kinda work the same, so maybe some tooling can bring down that big step in complexity from firehose raw-content apps -> apps requiring any social context. 31 + 32 + everything is links: 33 + 34 + - likes 35 + - follows 36 + - blocks 37 + - reposts 38 + - quotes 39 + 40 + some low-level things you could make from links: 41 + 42 + - notification streams (part of ucosm) 43 + - a global reverse index (part of ucosm) 44 + 45 + i think that making these low-level services as easy to use as jetstream could open up pathways for building more atproto apps that operate at full scale with interesting features for reasonable effort at low cost to operate. 46 + 47 + 48 + extracting links 49 + --------------- 50 + 51 + 52 + - low-level: pass a &str of a field value and get a parsed link back 53 + 54 + - med-level: pass a &str of record in json form and get a list of parsed links + json paths back. (todo: should also handle dag-cbor prob?) 55 + 56 + - high-ish level: pass the json record and maybe apply some pre-loaded rules based on known lexicons to get the best result. 57 + 58 + for now, a link is only considered if it matches for the entire value of the record's field -- links embedded in text content are not included. note that urls in bluesky posts _will_ still be extracted, since they are broken out into facets. 59 + 60 + 61 + resolving / canonicalizing links 62 + -------------------------------- 63 + 64 + 65 + ### at-uris 66 + 67 + every at-uri has at least two equivalent forms, one with a `DID`, and one with an account handle. the at-uri spec [illustrates this by example](https://atproto.com/specs/at-uri-scheme): 68 + 69 + - `at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26` 70 + - `at://bnewbold.bsky.team/app.bsky.feed.post/3jwdwj2ctlk26` 71 + 72 + some applications, like a reverse link index, may wish to canonicalize at-uris to a single form. the `DID`-form is stable as an account changes its handle and probably the right choice to canonicalize to, but maybe some apps would actually perfer to canonicalise to handles? 73 + 74 + hopefully atrium will make it easy to resolve at-uris. 75 + 76 + 77 + ### urls 78 + 79 + canonicalizing URLs is more annoying but also a bit more established. lots of details. 80 + 81 + - do we have to deal with punycode? 82 + - follow redirects (todo: only permanent ones, or all?) 83 + - check for rel=canonical http header and possibly follow it 84 + - check link rel=canonical meta tag and possibly follow it 85 + - do we need to check site maps?? 86 + - do we have to care at all about AMP? 87 + - do we want anything to do with url shorteners?? 88 + - how do multilingual sites affect this? 89 + - do we have to care about `script type="application/ld+json"` ??? 90 + 91 + ugh. is there a crate for this. 92 + 93 + 94 + ### relative uris? 95 + 96 + links might be relative, in which case they might need to be made absolute before being useful. is that a concern for this library, or up to the user? (seems like we might not have context here to determine its absolute) 97 + 98 + 99 + ### canonicalizing 100 + 101 + there should be a few async functions available to canonicalize already-parsed links. 102 + 103 + - what happens if a link can't be resolved? 104 + 105 + 106 + --- 107 + 108 + - using `tinyjson` because it's nice -- maybe should switch to serde_json to share deps with atrium? 109 + 110 + - would use atrium for parsing at-uris, but it's not in there. there's a did-only version in the non-lib commands.rs. its identifier parser is strict to did + handle, which makes sense, but for our purposes we might want to allow unknown methods too? 111 + 112 + - rsky-syntax has an aturi 113 + - adenosyne also 114 + - might come back to these 115 + 116 + 117 + ------- 118 + 119 + rocks 120 + 121 + ```bash 122 + ROCKSDB_LIB_DIR=/nix/store/z2chn0hsik0clridr8mlprx1cngh1g3c-rocksdb-9.7.3/lib/ cargo build 123 + ```

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legacy/ufos ops (move to micro-ops).md

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··· 1 + ufos ops 2 + 3 + btrfs snapshots: snapper 4 + 5 + ```bash 6 + sudo apt install snapper 7 + sudo snapper -c ufos-db create-config /mnt/ufos-db 8 + 9 + # edit /etc/snapper/configs/ufos-db 10 + # change 11 + TIMELINE_MIN_AGE="1800" 12 + TIMELINE_LIMIT_HOURLY="10" 13 + TIMELINE_LIMIT_DAILY="10" 14 + TIMELINE_LIMIT_WEEKLY="0" 15 + TIMELINE_LIMIT_MONTHLY="10" 16 + TIMELINE_LIMIT_YEARLY="10" 17 + # to 18 + TIMELINE_MIN_AGE="1800" 19 + TIMELINE_LIMIT_HOURLY="22" 20 + TIMELINE_LIMIT_DAILY="4" 21 + TIMELINE_LIMIT_WEEKLY="0" 22 + TIMELINE_LIMIT_MONTHLY="0" 23 + TIMELINE_LIMIT_YEARLY="0" 24 + ``` 25 + 26 + this should be enough? 27 + 28 + list snapshots: 29 + 30 + ```bash 31 + sudo snapper -c ufos-db list 32 + ``` 33 + 34 + systemd 35 + 36 + create file: `/etc/systemd/system/ufos.service` 37 + 38 + ```ini 39 + [Unit] 40 + Description=UFOs-API 41 + After=network.target 42 + 43 + [Service] 44 + User=pi 45 + WorkingDirectory=/home/pi/ 46 + ExecStart=/home/pi/ufos --jetstream us-west-2 --data /mnt/ufos-db/ 47 + Environment="RUST_LOG=info" 48 + LimitNOFILE=16384 49 + Restart=always 50 + 51 + [Install] 52 + WantedBy=multi-user.target 53 + ``` 54 + 55 + then 56 + 57 + ```bash 58 + sudo systemctl daemon-reload 59 + sudo systemctl enable ufos 60 + sudo systemctl start ufos 61 + ``` 62 + 63 + monitor with 64 + 65 + ```bash 66 + journalctl -u ufos -f 67 + ``` 68 + 69 + make sure a backup dir exists 70 + 71 + ```bash 72 + mkdir /home/pi/backup 73 + ``` 74 + 75 + mount the NAS 76 + 77 + ```bash 78 + sudo mount.cifs "//truenas.local/folks data" /home/pi/backup -o user=phil,uid=pi 79 + ``` 80 + 81 + manual rsync 82 + 83 + ```bash 84 + sudo rsync -ahP --delete /mnt/ufos-db/.snapshots/1/snapshot/ backup/ufos/ 85 + ``` 86 + 87 + backup script sketch 88 + 89 + ```bash 90 + NUM=$(sudo snapper --csvout -c ufos-db list --type single --columns number | tail -n1) 91 + sudo rsync -ahP --delete "/mnt/ufos-db/.snapshots/${NUM}/snapshot/" backup/ufos/ 92 + ``` 93 + 94 + just crontab it? 95 + 96 + `sudo crontab -e` 97 + ```bash 98 + 0 1/6 * * * rsync -ahP --delete "/mnt/ufos-db/.snapshots/$(sudo snapper --csvout -c ufos-db list --columns number | tail -n1)/snapshot/" backup/ufos/ 99 + ``` 100 + 101 + ^^ try once initial backup is done 102 + 103 + 104 + --columns subvolume,number 105 + 106 + subvolume 107 + number 108 + 109 + 110 + 111 + 112 + gateway: follow constellation for nginx->prom thing 113 + 114 + config at `/etc/prometheus-nginxlog-exporter.hcl` 115 + 116 + before: `/etc/prometheus-nginxlog-exporter.hcl` 117 + 118 + ```hcl 119 + listen { 120 + port = 4044 121 + } 122 + 123 + namespace "nginx" { 124 + source = { 125 + files = [ 126 + "/var/log/nginx/constellation-access.log" 127 + ] 128 + } 129 + 130 + format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 131 + 132 + labels { 133 + app = "constellation" 134 + } 135 + 136 + relabel "cache_status" { 137 + from = "upstream_cache_status" 138 + } 139 + } 140 + ``` 141 + 142 + after: 143 + 144 + ```hcl 145 + listen { 146 + port = 4044 147 + } 148 + 149 + namespace "constellation" { 150 + source = { 151 + files = [ 152 + "/var/log/nginx/constellation-access.log" 153 + ] 154 + } 155 + 156 + format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 157 + 158 + labels { 159 + app = "constellation" 160 + } 161 + 162 + relabel "cache_status" { 163 + from = "upstream_cache_status" 164 + } 165 + 166 + namespace_label = "vhost" 167 + metrics_override = { prefix = "nginx" } 168 + } 169 + 170 + namespace "ufos" { 171 + source = { 172 + files = [ 173 + "/var/log/nginx/ufos-access.log" 174 + ] 175 + } 176 + 177 + format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 178 + 179 + labels { 180 + app = "ufos" 181 + } 182 + 183 + relabel "cache_status" { 184 + from = "upstream_cache_status" 185 + } 186 + 187 + namespace_label = "vhost" 188 + metrics_override = { prefix = "nginx" } 189 + } 190 + ``` 191 + 192 + 193 + ```bash 194 + systemctl start prometheus-nginxlog-exporter.service 195 + ``` 196 +

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pocket/.gitignore

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pocket/Cargo.toml

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··· 1 + [package] 2 + name = "pocket" 3 + version = "0.1.0" 4 + edition = "2024" 5 + 6 + [dependencies] 7 + atrium-crypto = "0.1.2" 8 + clap = { version = "4.5.41", features = ["derive"] } 9 + jwt-compact = { git = "https://github.com/fatfingers23/jwt-compact.git", features = ["es256k"] } 10 + log = "0.4.27" 11 + poem = { version = "3.1.12", features = ["acme", "static-files"] } 12 + poem-openapi = { version = "5.1.16", features = ["scalar"] } 13 + reqwest = { version = "0.12.22", features = ["json"] } 14 + rusqlite = "0.37.0" 15 + serde = { version = "1.0.219", features = ["derive"] } 16 + serde_json = { version = "1.0.141" } 17 + thiserror = "2.0.16" 18 + tokio = { version = "1.47.0", features = ["full"] } 19 + tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }

+17

pocket/api-description.md

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + _A pocket dimension to stash a bit of non-public user data._ 2 + 3 + 4 + # Pocket: user preference storage 5 + 6 + This API leverages atproto service proxying to offer a bit of per-user per-app non-public data storage. 7 + Perfect for things like application preferences that might be better left out of the public PDS data. 8 + 9 + The intent is to use oauth scopes to isolate storage on a per-application basis, and to allow easy data migration from a community hosted instance to your own if you end up needing that. 10 + 11 + 12 + ### Current status 13 + 14 + > [!important] 15 + > Pocket is currently in a **v0, pre-release state**. There is one production instance and you can use it! Expect short downtimes for restarts as development progresses and occaisional data loss until it's stable. 16 + 17 + ATProto might end up adding a similar feature to [PDSs](https://atproto.com/guides/glossary#pds-personal-data-server). If/when that happens, you should use it instead of this!

+7

pocket/src/lib.rs

··· 0 0 0 0 0 0 0

··· 1 + mod server; 2 + mod storage; 3 + mod token; 4 + 5 + pub use server::serve; 6 + pub use storage::Storage; 7 + pub use token::TokenVerifier;

+34

pocket/src/main.rs

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + use clap::Parser; 2 + use pocket::{Storage, serve}; 3 + use std::path::PathBuf; 4 + 5 + /// Slingshot record edge cache 6 + #[derive(Parser, Debug, Clone)] 7 + #[command(version, about, long_about = None)] 8 + struct Args { 9 + /// path to the sqlite db file 10 + #[arg(long)] 11 + db: Option<PathBuf>, 12 + /// just initialize the db and exit 13 + #[arg(long, action)] 14 + init_db: bool, 15 + /// the domain for serving a did doc (unused if running behind reflector) 16 + #[arg(long)] 17 + domain: Option<String>, 18 + } 19 + 20 + #[tokio::main] 21 + async fn main() { 22 + tracing_subscriber::fmt::init(); 23 + log::info!("👖 hi"); 24 + let args = Args::parse(); 25 + let domain = args.domain.unwrap_or("bad-example.com".into()); 26 + let db_path = args.db.unwrap_or("prefs.sqlite3".into()); 27 + if args.init_db { 28 + Storage::init(&db_path).unwrap(); 29 + log::info!("👖 initialized db at {db_path:?}. bye") 30 + } else { 31 + let storage = Storage::connect(db_path).unwrap(); 32 + serve(&domain, storage).await 33 + } 34 + }

+265

pocket/src/server.rs

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··· 1 + use crate::{Storage, TokenVerifier}; 2 + use poem::{ 3 + Endpoint, EndpointExt, Route, Server, 4 + endpoint::{StaticFileEndpoint, make_sync}, 5 + http::Method, 6 + listener::TcpListener, 7 + middleware::{CatchPanic, Cors, Tracing}, 8 + }; 9 + use poem_openapi::{ 10 + ApiResponse, ContactObject, ExternalDocumentObject, Object, OpenApi, OpenApiService, 11 + SecurityScheme, Tags, 12 + auth::Bearer, 13 + payload::{Json, PlainText}, 14 + types::Example, 15 + }; 16 + use serde::Serialize; 17 + use serde_json::{Value, json}; 18 + use std::sync::{Arc, Mutex}; 19 + 20 + #[derive(Debug, SecurityScheme)] 21 + #[oai(ty = "bearer")] 22 + struct XrpcAuth(Bearer); 23 + 24 + #[derive(Tags)] 25 + enum ApiTags { 26 + /// Custom pocket APIs 27 + #[oai(rename = "Pocket APIs")] 28 + Pocket, 29 + } 30 + 31 + #[derive(Object)] 32 + #[oai(example = true)] 33 + struct XrpcErrorResponseObject { 34 + /// Should correspond an error `name` in the lexicon errors array 35 + error: String, 36 + /// Human-readable description and possibly additonal context 37 + message: String, 38 + } 39 + impl Example for XrpcErrorResponseObject { 40 + fn example() -> Self { 41 + Self { 42 + error: "PreferencesNotFound".to_string(), 43 + message: "No preferences were found for this user".to_string(), 44 + } 45 + } 46 + } 47 + type XrpcError = Json<XrpcErrorResponseObject>; 48 + fn xrpc_error(error: impl AsRef<str>, message: impl AsRef<str>) -> XrpcError { 49 + Json(XrpcErrorResponseObject { 50 + error: error.as_ref().to_string(), 51 + message: message.as_ref().to_string(), 52 + }) 53 + } 54 + 55 + #[derive(Debug, Object)] 56 + #[oai(example = true)] 57 + struct BskyPrefsObject { 58 + /// at-uri for this record 59 + preferences: Value, 60 + } 61 + impl Example for BskyPrefsObject { 62 + fn example() -> Self { 63 + Self { 64 + preferences: json!({ 65 + "hello": "world", 66 + }), 67 + } 68 + } 69 + } 70 + 71 + #[derive(ApiResponse)] 72 + enum GetBskyPrefsResponse { 73 + /// Record found 74 + #[oai(status = 200)] 75 + Ok(Json<BskyPrefsObject>), 76 + /// Bad request or no preferences to return 77 + #[oai(status = 400)] 78 + BadRequest(XrpcError), 79 + } 80 + 81 + #[derive(ApiResponse)] 82 + enum PutBskyPrefsResponse { 83 + /// Record found 84 + #[oai(status = 200)] 85 + Ok(PlainText<String>), 86 + /// Bad request or no preferences to return 87 + #[oai(status = 400)] 88 + BadRequest(XrpcError), 89 + // /// Server errors 90 + // #[oai(status = 500)] 91 + // ServerError(XrpcError), 92 + } 93 + 94 + struct Xrpc { 95 + verifier: TokenVerifier, 96 + storage: Arc<Mutex<Storage>>, 97 + } 98 + 99 + #[OpenApi] 100 + impl Xrpc { 101 + /// com.bad-example.pocket.getPreferences 102 + /// 103 + /// get stored preferencess 104 + #[oai( 105 + path = "/com.bad-example.pocket.getPreferences", 106 + method = "get", 107 + tag = "ApiTags::Pocket" 108 + )] 109 + async fn pocket_get_prefs(&self, XrpcAuth(auth): XrpcAuth) -> GetBskyPrefsResponse { 110 + let (did, aud) = match self 111 + .verifier 112 + .verify("com.bad-example.pocket.getPreferences", &auth.token) 113 + .await 114 + { 115 + Ok(d) => d, 116 + Err(e) => return GetBskyPrefsResponse::BadRequest(xrpc_error("boooo", e.to_string())), 117 + }; 118 + log::info!("verified did: {did}/{aud}"); 119 + 120 + let storage = self.storage.clone(); 121 + 122 + let Ok(Ok(res)) = tokio::task::spawn_blocking(move || { 123 + storage 124 + .lock() 125 + .unwrap() 126 + .get(&did, &aud) 127 + .inspect_err(|e| log::error!("failed to get prefs: {e}")) 128 + }) 129 + .await 130 + else { 131 + return GetBskyPrefsResponse::BadRequest(xrpc_error("boooo", "failed to get from db")); 132 + }; 133 + 134 + let Some(serialized) = res else { 135 + return GetBskyPrefsResponse::BadRequest(xrpc_error( 136 + "NotFound", 137 + "could not find prefs for u", 138 + )); 139 + }; 140 + 141 + let preferences = match serde_json::from_str(&serialized) { 142 + Ok(v) => v, 143 + Err(e) => { 144 + log::error!("failed to deserialize prefs: {e}"); 145 + return GetBskyPrefsResponse::BadRequest(xrpc_error( 146 + "boooo", 147 + "failed to deserialize prefs", 148 + )); 149 + } 150 + }; 151 + 152 + GetBskyPrefsResponse::Ok(Json(BskyPrefsObject { preferences })) 153 + } 154 + 155 + /// com.bad-example.pocket.putPreferences 156 + /// 157 + /// store bluesky prefs 158 + #[oai( 159 + path = "/com.bad-example.pocket.putPreferences", 160 + method = "post", 161 + tag = "ApiTags::Pocket" 162 + )] 163 + async fn pocket_put_prefs( 164 + &self, 165 + XrpcAuth(auth): XrpcAuth, 166 + Json(prefs): Json<BskyPrefsObject>, 167 + ) -> PutBskyPrefsResponse { 168 + let (did, aud) = match self 169 + .verifier 170 + .verify("com.bad-example.pocket.putPreferences", &auth.token) 171 + .await 172 + { 173 + Ok(d) => d, 174 + Err(e) => return PutBskyPrefsResponse::BadRequest(xrpc_error("boooo", e.to_string())), 175 + }; 176 + log::info!("verified did: {did}/{aud}"); 177 + log::warn!("received prefs: {prefs:?}"); 178 + 179 + let storage = self.storage.clone(); 180 + let serialized = prefs.preferences.to_string(); 181 + 182 + let Ok(Ok(())) = tokio::task::spawn_blocking(move || { 183 + storage 184 + .lock() 185 + .unwrap() 186 + .put(&did, &aud, &serialized) 187 + .inspect_err(|e| log::error!("failed to insert prefs: {e}")) 188 + }) 189 + .await 190 + else { 191 + return PutBskyPrefsResponse::BadRequest(xrpc_error("boooo", "failed to put to db")); 192 + }; 193 + 194 + PutBskyPrefsResponse::Ok(PlainText("saved.".to_string())) 195 + } 196 + } 197 + 198 + #[derive(Debug, Clone, Serialize)] 199 + #[serde(rename_all = "camelCase")] 200 + struct AppViewService { 201 + id: String, 202 + r#type: String, 203 + service_endpoint: String, 204 + } 205 + #[derive(Debug, Clone, Serialize)] 206 + struct AppViewDoc { 207 + id: String, 208 + service: [AppViewService; 2], 209 + } 210 + /// Serve a did document for did:web for this to be an xrpc appview 211 + fn get_did_doc(domain: &str) -> impl Endpoint + use<> { 212 + let doc = poem::web::Json(AppViewDoc { 213 + id: format!("did:web:{domain}"), 214 + service: [ 215 + AppViewService { 216 + id: "#pocket_prefs".to_string(), 217 + r#type: "PocketPreferences".to_string(), 218 + service_endpoint: format!("https://{domain}"), 219 + }, 220 + AppViewService { 221 + id: "#bsky_appview".to_string(), 222 + r#type: "BlueskyAppview".to_string(), 223 + service_endpoint: format!("https://{domain}"), 224 + }, 225 + ], 226 + }); 227 + make_sync(move |_| doc.clone()) 228 + } 229 + 230 + pub async fn serve(domain: &str, storage: Storage) -> () { 231 + let verifier = TokenVerifier::default(); 232 + let api_service = OpenApiService::new( 233 + Xrpc { 234 + verifier, 235 + storage: Arc::new(Mutex::new(storage)), 236 + }, 237 + "Pocket", 238 + env!("CARGO_PKG_VERSION"), 239 + ) 240 + .server(domain) 241 + .url_prefix("/xrpc") 242 + .contact( 243 + ContactObject::new() 244 + .name("@microcosm.blue") 245 + .url("https://bsky.app/profile/microcosm.blue"), 246 + ) 247 + .description(include_str!("../api-description.md")) 248 + .external_document(ExternalDocumentObject::new("https://microcosm.blue/pocket")); 249 + 250 + let app = Route::new() 251 + .nest("/openapi", api_service.spec_endpoint()) 252 + .nest("/xrpc/", api_service) 253 + .at("/.well-known/did.json", get_did_doc(domain)) 254 + .at("/", StaticFileEndpoint::new("./static/index.html")) 255 + .with( 256 + Cors::new() 257 + .allow_method(Method::GET) 258 + .allow_method(Method::POST), 259 + ) 260 + .with(CatchPanic::new()) 261 + .with(Tracing); 262 + 263 + let listener = TcpListener::bind("127.0.0.1:3000"); 264 + Server::new(listener).name("pocket").run(app).await.unwrap(); 265 + }

+50

pocket/src/storage.rs

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + use rusqlite::{Connection, OptionalExtension, Result}; 2 + use std::path::Path; 3 + 4 + pub struct Storage { 5 + con: Connection, 6 + } 7 + 8 + impl Storage { 9 + pub fn connect(path: impl AsRef<Path>) -> Result<Self> { 10 + let con = Connection::open(path)?; 11 + con.pragma_update(None, "journal_mode", "WAL")?; 12 + con.pragma_update(None, "synchronous", "NORMAL")?; 13 + con.pragma_update(None, "busy_timeout", "100")?; 14 + con.pragma_update(None, "foreign_keys", "ON")?; 15 + Ok(Self { con }) 16 + } 17 + pub fn init(path: impl AsRef<Path>) -> Result<Self> { 18 + let me = Self::connect(path)?; 19 + me.con.execute( 20 + r#" 21 + create table prefs ( 22 + actor text not null, 23 + aud text not null, 24 + pref text not null, 25 + primary key (actor, aud) 26 + ) strict"#, 27 + (), 28 + )?; 29 + Ok(me) 30 + } 31 + pub fn put(&self, actor: &str, aud: &str, pref: &str) -> Result<()> { 32 + self.con.execute( 33 + r#"insert into prefs (actor, aud, pref) 34 + values (?1, ?2, ?3) 35 + on conflict do update set pref = excluded.pref"#, 36 + [actor, aud, pref], 37 + )?; 38 + Ok(()) 39 + } 40 + pub fn get(&self, actor: &str, aud: &str) -> Result<Option<String>> { 41 + self.con 42 + .query_one( 43 + r#"select pref from prefs 44 + where actor = ?1 and aud = ?2"#, 45 + [actor, aud], 46 + |row| row.get(0), 47 + ) 48 + .optional() 49 + } 50 + }

+143

pocket/src/token.rs

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··· 1 + use atrium_crypto::did::parse_multikey; 2 + use atrium_crypto::verify::Verifier; 3 + use jwt_compact::UntrustedToken; 4 + use serde::Deserialize; 5 + use std::collections::HashMap; 6 + use std::time::Duration; 7 + use thiserror::Error; 8 + 9 + #[derive(Debug, Deserialize)] 10 + struct MiniDoc { 11 + signing_key: String, 12 + did: String, 13 + } 14 + 15 + #[derive(Error, Debug)] 16 + pub enum VerifyError { 17 + #[error("The cross-service authorization token failed verification: {0}")] 18 + VerificationFailed(&'static str), 19 + #[error("Error trying to resolve the DID to a signing key, retry in a moment: {0}")] 20 + ResolutionFailed(&'static str), 21 + } 22 + 23 + pub struct TokenVerifier { 24 + client: reqwest::Client, 25 + } 26 + 27 + impl TokenVerifier { 28 + pub fn new() -> Self { 29 + let client = reqwest::Client::builder() 30 + .user_agent(format!( 31 + "microcosm pocket v{} (dev: @bad-example.com)", 32 + env!("CARGO_PKG_VERSION") 33 + )) 34 + .no_proxy() 35 + .timeout(Duration::from_secs(12)) // slingshot timeout is 10s 36 + .build() 37 + .unwrap(); 38 + Self { client } 39 + } 40 + 41 + pub async fn verify( 42 + &self, 43 + expected_lxm: &str, 44 + token: &str, 45 + ) -> Result<(String, String), VerifyError> { 46 + let untrusted = UntrustedToken::new(token).unwrap(); 47 + 48 + // danger! unfortunately we need to decode the DID from the jwt body before we have a public key to verify the jwt with 49 + let Ok(untrusted_claims) = 50 + untrusted.deserialize_claims_unchecked::<HashMap<String, String>>() 51 + else { 52 + return Err(VerifyError::VerificationFailed( 53 + "could not deserialize jtw claims", 54 + )); 55 + }; 56 + 57 + // get the (untrusted!) claimed DID 58 + let Some(untrusted_did) = untrusted_claims.custom.get("iss") else { 59 + return Err(VerifyError::VerificationFailed( 60 + "jwt must include the user's did in `iss`", 61 + )); 62 + }; 63 + 64 + // bail if it's not even a user-ish did 65 + if !untrusted_did.starts_with("did:") { 66 + return Err(VerifyError::VerificationFailed("iss should be a did")); 67 + } 68 + if untrusted_did.contains("#") { 69 + return Err(VerifyError::VerificationFailed( 70 + "iss should be a user did without a service identifier", 71 + )); 72 + } 73 + 74 + let endpoint = 75 + "https://slingshot.microcosm.blue/xrpc/com.bad-example.identity.resolveMiniDoc"; 76 + let doc: MiniDoc = self 77 + .client 78 + .get(format!("{endpoint}?identifier={untrusted_did}")) 79 + .send() 80 + .await 81 + .map_err(|_| VerifyError::ResolutionFailed("failed to fetch minidoc"))? 82 + .error_for_status() 83 + .map_err(|_| VerifyError::ResolutionFailed("non-ok response for minidoc"))? 84 + .json() 85 + .await 86 + .map_err(|_| VerifyError::ResolutionFailed("failed to parse json to minidoc"))?; 87 + 88 + // sanity check before we go ahead with this signing key 89 + if doc.did != *untrusted_did { 90 + return Err(VerifyError::VerificationFailed( 91 + "wtf, resolveMiniDoc returned a doc for a different DID, slingshot bug", 92 + )); 93 + } 94 + 95 + let Ok((alg, public_key)) = parse_multikey(&doc.signing_key) else { 96 + return Err(VerifyError::VerificationFailed( 97 + "could not parse signing key form minidoc", 98 + )); 99 + }; 100 + 101 + // i _guess_ we've successfully bootstrapped the verification of the jwt unless this fails 102 + if let Err(e) = Verifier::default().verify( 103 + alg, 104 + &public_key, 105 + &untrusted.signed_data, 106 + untrusted.signature_bytes(), 107 + ) { 108 + log::warn!("jwt verification failed: {e}"); 109 + return Err(VerifyError::VerificationFailed( 110 + "jwt signature verification failed", 111 + )); 112 + } 113 + 114 + // past this point we're should have established trust. crossing ts and dotting is. 115 + let did = &untrusted_did; 116 + let claims = &untrusted_claims; 117 + 118 + let Some(aud) = claims.custom.get("aud") else { 119 + return Err(VerifyError::VerificationFailed("missing aud")); 120 + }; 121 + let Some(mut aud) = aud.strip_prefix("did:web:") else { 122 + return Err(VerifyError::VerificationFailed("expected a did:web aud")); 123 + }; 124 + if let Some((aud_without_hash, _)) = aud.split_once("#") { 125 + log::warn!("aud claim is missing service id fragment: {aud:?}"); 126 + aud = aud_without_hash; 127 + } 128 + let Some(lxm) = claims.custom.get("lxm") else { 129 + return Err(VerifyError::VerificationFailed("missing lxm")); 130 + }; 131 + if lxm != expected_lxm { 132 + return Err(VerifyError::VerificationFailed("wrong lxm")); 133 + } 134 + 135 + Ok((did.to_string(), aud.to_string())) 136 + } 137 + } 138 + 139 + impl Default for TokenVerifier { 140 + fn default() -> Self { 141 + Self::new() 142 + } 143 + }

+67

pocket/static/index.html

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··· 1 + <!doctype html> 2 + <html lang="en"> 3 + <head> 4 + <meta charset="utf-8" /> 5 + <title>Pocket: atproto user preference storage</title> 6 + <meta name="viewport" content="width=device-width, initial-scale=1" /> 7 + <meta name="description" content="API Documentation for Pocket, a simple user-preference storage system for atproto" /> 8 + <style> 9 + :root { 10 + --scalar-small: 13px; 11 + } 12 + .scalar-app .markdown .markdown-alert { 13 + font-size: var(--scalar-small); 14 + } 15 + .sidebar-heading-link-title { 16 + line-height: 1.2; 17 + } 18 + .custom-header { 19 + height: 42px; 20 + background-color: #221828; 21 + box-shadow: inset 0 -1px 0 var(--scalar-border-color); 22 + color: var(--scalar-color-1); 23 + font-size: var(--scalar-font-size-3); 24 + font-family: 'Iowan Old Style', 'Palatino Linotype', 'URW Palladio L', P052, serif; 25 + padding: 0 18px; 26 + justify-content: space-between; 27 + } 28 + .custom-header, 29 + .custom-header nav { 30 + display: flex; 31 + align-items: center; 32 + gap: 18px; 33 + } 34 + .custom-header a:hover { 35 + color: var(--scalar-color-2); 36 + } 37 + 38 + .light-mode .custom-header { 39 + background-color: thistle; 40 + } 41 + </style> 42 + </head> 43 + <body> 44 + <header class="custom-header scalar-app"> 45 + <p> 46 + TODO: thing 47 + </p> 48 + <nav> 49 + <b>a <a href="https://microcosm.blue">microcosm</a> project</b> 50 + <a href="https://bsky.app/profile/microcosm.blue">@microcosm.blue</a> 51 + <a href="https://github.com/at-microcosm">github</a> 52 + </nav> 53 + </header> 54 + 55 + <script id="api-reference" type="application/json" data-url="/openapi"></script> 56 + 57 + <script> 58 + var configuration = { 59 + theme: 'purple', 60 + hideModels: true, 61 + } 62 + document.getElementById('api-reference').dataset.configuration = JSON.stringify(configuration) 63 + </script> 64 + 65 + <script src="https://cdn.jsdelivr.net/npm/@scalar/api-reference"></script> 66 + </body> 67 + </html>

+8

quasar/Cargo.toml

··· 0 0 0 0 0 0 0 0

··· 1 + [package] 2 + name = "quasar" 3 + version = "0.1.0" 4 + edition = "2024" 5 + 6 + [dependencies] 7 + clap = { version = "4.5.46", features = ["derive"] } 8 + fjall = "2.11.2"

+3

quasar/readme.md

··· 0 0 0

··· 1 + # quasar 2 + 3 + indexed replay and fan-out for event stream services (wip)

+3

quasar/src/lib.rs

··· 0 0 0

··· 1 + mod storage; 2 + 3 + pub use storage::Storage;

+3

quasar/src/main.rs

··· 0 0 0

··· 1 + fn main() { 2 + println!("Hello, world!"); 3 + }

+4

quasar/src/storage.rs

··· 0 0 0 0

··· 1 + 2 + pub trait Storage { 3 + 4 + }

+57 -129

readme.md

··· 1 - microcosm: links 2 - ================ 3 - 4 - this repo contains libraries and apps for working with cross-record references in at-protocol. 5 - 0 6 7 - App: [Constellation](./constellation/) 8 - -------------------------------------------- 9 10 - A global atproto backlink index ✨ 11 12 - - Self hostable: handles the full write throughput of the global atproto firehose on a raspberry pi 4b + single SSD 13 - - Storage efficient: less than 2GB/day disk consumption indexing all references in all lexicons and all non-atproto URLs 14 - - Handles record deletion, account de/re-activation, and account deletion, ensuring accurate link counts and respecting users data choices 15 - - Simple JSON API 16 17 - All social interactions in atproto tend to be represented by links (or references) between PDS records. This index can answer questions like "how many likes does a bsky post have", "who follows an account", "what are all the comments on a [frontpage](https://frontpage.fyi/) post", and more. 18 19 - - **status**: works! api is unstable and likely to change, and no known instances have a full network backfill yet. 20 - - source: [./constellation/](./constellation/) 21 - - public instance: [constellation.microcosm.blue](https://constellation.microcosm.blue/) 22 - 23 - _note: the public instance currently runs on a little raspberry pi in my house, feel free to use it! it comes with only with best-effort uptime, no commitment to not breaking the api for now, and possible rate-limiting. if you want to be nice you can put your project name and bsky username (or email) in your user-agent header for api requests._ 24 - 25 - 26 - App: Spacedust 27 - -------------- 28 - 29 - A notification subscription service 💫 30 - 31 - using the same "link source" concept as [constellation](./constellation/), offer webhook notifications for new references created to records 32 - 33 - - **status**: in design 34 - 35 - 36 - Library: [links](./links/) 37 ------------------------------------ 38 39 - A rust crate (not published on crates.io yet) for optimistically parsing links out of arbitrary atproto PDS records, and potentially canonicalizing them 40 - 41 - - **status**: unstable, might remain an internal lib for constellation (and spacedust, soon) 42 - 43 - 44 - 45 - --- 46 - 47 - 48 - old notes follow, ignore 49 - ------------------------ 50 - 51 - 52 - as far as i can tell, atproto lexicons today don't follow much of a convention for referencing across documents: sometimes it's a StrongRef, sometimes it's a DID, sometimes it's a bare at-uri. lexicon authors choose any old link-sounding key name for the key in their document. 53 - 54 - it's pretty messy so embrace the mess: atproto wants to be part of the web, so this library will also extract URLs and other URIs if you want it to. all the links. 55 - 56 - 57 - why 58 - --- 59 - 60 - the atproto firehose that bluesky sprays at you will contain raw _contents_ from peoples' pdses. these are isolated, decontextualized updates. it's very easy to build some kinds of interesting downstream apps off of this feed. 61 - 62 - - bluesky posts (firesky, deletions, ) 63 - - blueksy post stats (emojis, ) 64 - - trending keywords () 65 - 66 - but bringing almost kind of _context_ into your project requires a big step up in complexity and potentially cost: you're entering "appview" territory. _how many likes does a post have? who follows this account?_ 67 - 68 - you own your atproto data: it's kept in your personal data repository (PDS) and noone else can write to it. when someone likes your post, they create a "like" record in their _own_ pds, and that like belongs to _them_, not to you/your post. 69 - 70 - in the firehose you'll see a `app.bsky.feed.post` record created, with no details about who has liked it. then you'll see separate `app.bsky.feed.like` records show up for each like that comes in on that post, with no context about the post except a random-looking reference to it. storing these in order to do so is up to you! 71 - 72 - **so, why** 73 - 74 - everything is links, and they're a mess, but they all kinda work the same, so maybe some tooling can bring down that big step in complexity from firehose raw-content apps -> apps requiring any social context. 75 - 76 - everything is links: 77 - 78 - - likes 79 - - follows 80 - - blocks 81 - - reposts 82 - - quotes 83 - 84 - some low-level things you could make from links: 85 - 86 - - notification streams (part of ucosm) 87 - - a global reverse index (part of ucosm) 88 - 89 - i think that making these low-level services as easy to use as jetstream could open up pathways for building more atproto apps that operate at full scale with interesting features for reasonable effort at low cost to operate. 90 0 0 0 91 92 - extracting links 93 - --------------- 94 0 0 95 96 - - low-level: pass a &str of a field value and get a parsed link back 97 98 - - med-level: pass a &str of record in json form and get a list of parsed links + json paths back. (todo: should also handle dag-cbor prob?) 0 0 99 100 - - high-ish level: pass the json record and maybe apply some pre-loaded rules based on known lexicons to get the best result. 101 102 - for now, a link is only considered if it matches for the entire value of the record's field -- links embedded in text content are not included. note that urls in bluesky posts _will_ still be extracted, since they are broken out into facets. 0 103 104 105 - resolving / canonicalizing links 106 - -------------------------------- 107 0 108 109 - ### at-uris 0 0 110 111 - every at-uri has at least two equivalent forms, one with a `DID`, and one with an account handle. the at-uri spec [illustrates this by example](https://atproto.com/specs/at-uri-scheme): 112 113 - - `at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26` 114 - - `at://bnewbold.bsky.team/app.bsky.feed.post/3jwdwj2ctlk26` 115 116 - some applications, like a reverse link index, may wish to canonicalize at-uris to a single form. the `DID`-form is stable as an account changes its handle and probably the right choice to canonicalize to, but maybe some apps would actually perfer to canonicalise to handles? 117 118 - hopefully atrium will make it easy to resolve at-uris. 0 0 119 0 0 120 121 - ### urls 122 123 - canonicalizing URLs is more annoying but also a bit more established. lots of details. 0 124 125 - - do we have to deal with punycode? 126 - - follow redirects (todo: only permanent ones, or all?) 127 - - check for rel=canonical http header and possibly follow it 128 - - check link rel=canonical meta tag and possibly follow it 129 - - do we need to check site maps?? 130 - - do we have to care at all about AMP? 131 - - do we want anything to do with url shorteners?? 132 - - how do multilingual sites affect this? 133 - - do we have to care about `script type="application/ld+json"` ??? 134 135 - ugh. is there a crate for this. 0 136 137 138 - ### relative uris? 139 - 140 - links might be relative, in which case they might need to be made absolute before being useful. is that a concern for this library, or up to the user? (seems like we might not have context here to determine its absolute) 141 - 142 - 143 - ### canonicalizing 144 - 145 - there should be a few async functions available to canonicalize already-parsed links. 146 - 147 - - what happens if a link can't be resolved? 148 0 149 150 - --- 0 151 152 - - using `tinyjson` because it's nice -- maybe should switch to serde_json to share deps with atrium? 0 153 154 - - would use atrium for parsing at-uris, but it's not in there. there's a did-only version in the non-lib commands.rs. its identifier parser is strict to did + handle, which makes sense, but for our purposes we might want to allow unknown methods too? 155 156 - - rsky-syntax has an aturi 157 - - adenosyne also 158 - - might come back to these 159 0 0 160 161 - ------- 162 163 - rocks 0 164 165 - ```bash 166 - ROCKSDB_LIB_DIR=/nix/store/z2chn0hsik0clridr8mlprx1cngh1g3c-rocksdb-9.7.3/lib/ cargo build 167 - ```

··· 1 + microcosm HTTP APIs + rust crates 2 + ================================= 3 + [](https://bsky.app/profile/microcosm.blue) 4 + [](https://discord.gg/tcDfe4PGVB) 5 + [](https://github.com/sponsors/uniphil/) 6 + [](https://ko-fi.com/bad_example) 7 8 + Welcome! Documentation is under active development. If you like reading API docs, you'll probably hit the ground running! 0 9 10 + Tutorials, how-to guides, and client SDK libraries are all in the works for gentler on-ramps, but are not quite ready yet. But don't let that stop you! Hop in the [microcosm discord](https://discord.gg/tcDfe4PGVB), or post questions and tag [@bad-example.com](https://bsky.app/profile/bad-example.com) on Bluesky if you get stuck anywhere. 11 12 + > [!tip] 13 + > This repository's primary home is moving to tangled: [@microcosm.blue/microcosm-rs](https://tangled.sh/@microcosm.blue/microcosm-rs). It will continue to be mirrored on [github](https://github.com/at-microcosm/microcosm-rs) for the forseeable future, and it's fine to open issues or pulls in either place! 0 0 14 0 15 16 + 🌌 [Constellation](./constellation/) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17 ------------------------------------ 18 19 + A global atproto interactions backlink index as a simple JSON API. Works with every lexicon, runs on a raspberry pi, consumes less than 2GiB of disk per day. Handles record deletion, account de/re-activation, and account deletion, ensuring accurate link counts while respecting users' data choices. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 21 + - Source: [./constellation/](./constellation/) 22 + - [Public instance/API docs](https://constellation.microcosm.blue/) 23 + - Status: used in production. APIs will change but backwards compatibility will be maintained as long as needed. 24 0 0 25 26 + 🎇 [Spacedust](./spacedust/) 27 + ---------------------------- 28 29 + A global atproto interactions firehose. Extracts all at-uris, DIDs, and URLs from every lexicon in the firehose, and exposes them over a websocket modelled after [jetstream](github.com/bluesky-social/jetstream). 30 31 + - Source: [./spacedust/](./spacedust/) 32 + - [Public instance/API docs](https://spacedust.microcosm.blue/) 33 + - Status: v0: the basics work and the APIs are in place! missing cursor replay, forward link storage, and delete event link hydration. 34 35 + ### Demos: 36 37 + - [Spacedust notifications](https://notifications.microcosm.blue/): web push notifications for _every_ atproto app 38 + - [Zero-Bluesky real-time interaction-updating post embed](https://bsky.bad-example.com/zero-bluesky-realtime-embed/) 39 40 41 + 🛰️ [Slingshot](./slingshot) 42 + --------------------------- 43 44 + A fast, eager, production-grade edge cache for atproto records and identities. Pre-caches all records from the firehose and maintains a longer-term cache of requested records on disk. 45 46 + - Source: [./slingshot/](./slingshot/) 47 + - [Public instance/API docs](https://slingshot.microcosm.blue/) 48 + - Status: v0: most XRPC APIs are working. cache storage is being reworked. 49 0 50 51 + 🛸 [UFOs API](./ufos) 52 + --------------------- 53 54 + Timeseries stats and sample records for every [collection](https://atproto.com/guides/glossary#collection) ever seen in the atproto firehose. Unique users are counted in hyperloglog sketches enabling arbitrary cardinality aggregation across time buckets and/or NSIDs. 55 56 + - Source: [./ufos/](./ufos/) 57 + - [Public instance/API docs](https://ufos-api.microcosm.blue/) 58 + - Status: Used in production. It has APIs and they work! Needs improvement on indexing; needs more indexes and some more APIs to the data exposed. 59 60 + > [!tip] 61 + > See also: [UFOs atproto explorer](https://ufos.microcosm.blue/) built on UFOs API. ([source](github.com/at-microcosm/spacedust-utils)) 62 0 63 64 + 💫 [Links](./links) 65 + ------------------- 66 67 + Rust library for parsing and extracting links (at-uris, DIDs, and URLs) from atproto records. 0 0 0 0 0 0 0 0 68 69 + - Source: [./links/](./links/) 70 + - Status: not yet published to crates.io; needs some rework 71 72 73 + 🛩️ [Jetstream](./jetstream) 74 + --------------------------- 0 0 0 0 0 0 0 0 75 76 + A low-overhead jetstream client with cursor handling and automatic reconnect. 77 78 + - Source: [./links/](./links/) 79 + - Status: used in multiple apps in production, but not yet published to crates.io; some rework planned 80 81 + > [!tip] 82 + > See also: [Rocketman](https://github.com/teal-fm/cadet/tree/main/rocketman), another excellent rust jetstream client which shares some lineage and _is_ published on crates.io. 83 0 84 0 0 0 85 86 + 🔭 Deprecated: [Who am I](./who-am-i) 87 + ------------------------------------- 88 89 + An identity bridge for microcosm demos, that kinda worked. Fixing its problems is about equivalent to reinventing a lot of OIDC, so it's being retired. 90 91 + - Source: [./who-am-i/](./who-am-i/) 92 + - Status: ready for retirement. 93 94 + > [!warning] 95 + > `who-am-i` is still in use for the Spacedust Notifications demo, but that will hopefully be migrated to use atproto oauth directly instead. 0

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reflector/Cargo.toml

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··· 1 + [package] 2 + name = "reflector" 3 + version = "0.1.0" 4 + edition = "2024" 5 + 6 + [dependencies] 7 + clap = { version = "4.5.47", features = ["derive"] } 8 + log = "0.4.28" 9 + poem = "3.1.12" 10 + serde = { version = "1.0.219", features = ["derive"] } 11 + tokio = "1.47.1" 12 + tracing-subscriber = { version = "0.3.20", features = ["env-filter"] }

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reflector/readme.md

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··· 1 + # reflector 2 + 3 + a tiny did:web service server that maps subdomains to a single service endpoint 4 + 5 + receiving requests from multiple subdomains is left as a problem for the reverse proxy to solve, since acme wildcard certificates (ie. letsencrypt) require the most complicated and involved challenge type (DNS). 6 + 7 + caddy [has good support for](https://caddyserver.com/docs/caddyfile/patterns#wildcard-certificates) configuring the wildcard DNS challenge with various DNS providers, and also supports [on-demand](https://caddyserver.com/docs/automatic-https#using-on-demand-tls) provisioning via the simpler methods. 8 + 9 + if you only need a small fixed number of subdomains, you can also use certbot or otherwise individually configure them in your reverse proxy.

+112

reflector/src/main.rs

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··· 1 + use clap::Parser; 2 + use poem::{ 3 + EndpointExt, Response, Route, Server, get, handler, 4 + http::StatusCode, 5 + listener::TcpListener, 6 + middleware::{AddData, Tracing}, 7 + web::{Data, Json, Query, TypedHeader, headers::Host}, 8 + }; 9 + use serde::{Deserialize, Serialize}; 10 + 11 + #[handler] 12 + fn hello() -> String { 13 + "ɹoʇɔǝʅⅎǝɹ".to_string() 14 + } 15 + 16 + #[derive(Debug, Serialize)] 17 + struct DidDoc { 18 + id: String, 19 + service: [DidService; 1], 20 + } 21 + 22 + #[derive(Debug, Clone, Serialize)] 23 + #[serde(rename_all = "camelCase")] 24 + struct DidService { 25 + id: String, 26 + r#type: String, 27 + service_endpoint: String, 28 + } 29 + 30 + #[handler] 31 + fn did_doc(TypedHeader(host): TypedHeader<Host>, service: Data<&DidService>) -> Json<DidDoc> { 32 + Json(DidDoc { 33 + id: format!("did:web:{}", host.hostname()), 34 + service: [service.clone()], 35 + }) 36 + } 37 + 38 + #[derive(Deserialize)] 39 + struct AskQuery { 40 + domain: String, 41 + } 42 + #[handler] 43 + fn ask_caddy( 44 + Data(parent): Data<&Option<String>>, 45 + Query(AskQuery { domain }): Query<AskQuery>, 46 + ) -> Response { 47 + if let Some(parent) = parent 48 + && let Some(prefix) = domain.strip_suffix(&format!(".{parent}")) 49 + && !prefix.contains('.') 50 + { 51 + // no sub-sub-domains allowed 52 + return Response::builder().body("ok"); 53 + }; 54 + Response::builder() 55 + .status(StatusCode::FORBIDDEN) 56 + .body("nope") 57 + } 58 + 59 + /// Slingshot record edge cache 60 + #[derive(Parser, Debug, Clone)] 61 + #[command(version, about, long_about = None)] 62 + struct Args { 63 + /// The DID document service ID to serve 64 + /// 65 + /// must start with a '#', like `#bsky_appview' 66 + #[arg(long)] 67 + id: String, 68 + /// Service type 69 + /// 70 + /// Not sure exactly what its requirements are. 'BlueskyAppview' for example 71 + #[arg(long)] 72 + r#type: String, 73 + /// The HTTPS endpoint for the service 74 + #[arg(long)] 75 + service_endpoint: String, 76 + /// The parent domain; requests should come from subdomains of this 77 + #[arg(long)] 78 + domain: Option<String>, 79 + } 80 + 81 + impl From<Args> for DidService { 82 + fn from(a: Args) -> Self { 83 + Self { 84 + id: a.id, 85 + r#type: a.r#type, 86 + service_endpoint: a.service_endpoint, 87 + } 88 + } 89 + } 90 + 91 + #[tokio::main(flavor = "current_thread")] 92 + async fn main() { 93 + tracing_subscriber::fmt::init(); 94 + log::info!("ɹoʇɔǝʅⅎǝɹ"); 95 + 96 + let args = Args::parse(); 97 + let domain = args.domain.clone(); 98 + let service: DidService = args.into(); 99 + 100 + Server::new(TcpListener::bind("0.0.0.0:3001")) 101 + .run( 102 + Route::new() 103 + .at("/", get(hello)) 104 + .at("/.well-known/did.json", get(did_doc)) 105 + .at("/ask", get(ask_caddy)) 106 + .with(AddData::new(service)) 107 + .with(AddData::new(domain)) 108 + .with(Tracing), 109 + ) 110 + .await 111 + .unwrap() 112 + }

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slingshot/.gitignore

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··· 1 + foyer

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slingshot/Cargo.toml

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··· 1 + [package] 2 + name = "slingshot" 3 + version = "0.1.0" 4 + edition = "2024" 5 + 6 + [dependencies] 7 + atrium-api = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace", default-features = false } 8 + atrium-common = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace" } 9 + atrium-identity = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace" } 10 + atrium-oauth = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace" } 11 + clap = { version = "4.5.41", features = ["derive"] } 12 + ctrlc = "3.4.7" 13 + foyer = { version = "0.18.0", features = ["serde"] } 14 + hickory-resolver = "0.25.2" 15 + jetstream = { path = "../jetstream", features = ["metrics"] } 16 + links = { path = "../links" } 17 + log = "0.4.27" 18 + metrics = "0.24.2" 19 + metrics-exporter-prometheus = { version = "0.17.1", features = ["http-listener"] } 20 + poem = { version = "3.1.12", features = ["acme", "static-files"] } 21 + poem-openapi = { version = "5.1.16", features = ["scalar"] } 22 + reqwest = { version = "0.12.22", features = ["json"] } 23 + rustls = "0.23.31" 24 + serde = { version = "1.0.219", features = ["derive"] } 25 + serde_json = { version = "1.0.141", features = ["raw_value"] } 26 + thiserror = "2.0.12" 27 + time = { version = "0.3.41", features = ["serde"] } 28 + tokio = { version = "1.47.0", features = ["full"] } 29 + tokio-util = "0.7.15" 30 + tracing-subscriber = { version = "0.3.19", features = ["env-filter"] } 31 + url = "2.5.4"

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slingshot/api-description.md

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··· 1 + _A [gravitational slingshot](https://en.wikipedia.org/wiki/Gravity_assist) makes use of the gravity and relative movements of celestial bodies to accelerate a spacecraft and change its trajectory._ 2 + 3 + 4 + # Slingshot: edge record cache 5 + 6 + Applications in [ATProtocol](https://atproto.com/) store data in users' own [PDS](https://atproto.com/guides/self-hosting) (Personal Data Server), which are distributed across thousands of independently-run servers all over the world. Trying to access this data poses challenges for client applications: 7 + 8 + - A PDS might be far away with long network latency 9 + - or may be on an unreliable connection 10 + - or overloaded when you need it, or offline, or… 11 + 12 + Large projects like [Bluesky](https://bsky.app/) control their performance and reliability by syncing all app-relevant data from PDSs into first-party databases. But for new apps, building out this additional data infrastructure adds significant effort and complexity up front. 13 + 14 + **Slingshot is a fast, eager, production-grade cache of data in the [ATmosphere](https://atproto.com/)**, offering performance and reliability without custom infrastructure. 15 + 16 + 17 + ### Current status 18 + 19 + > [!important] 20 + > Slingshot is currently in a **v0, pre-release state**. There is one production instance and you can use it! Expect short downtimes for restarts as development progresses and lower cache hit-rates as the internal storage caches are adjusted and reset. 21 + 22 + The core APIs will not change, since they are standard third-party `com.atproto` query APIs from ATProtocol. 23 + 24 + 25 + ## Eager caching 26 + 27 + In many cases, Slingshot can cache the data you need *before* first request! 28 + 29 + Slingshot subscribes to the global [Firehose](https://atproto.com/specs/sync#firehose) of data updates. It keeps a short-term rolling indexed window of *all* data, and automatically promotes content likely to be requested to its longer-term main cache. _(automatic promotion is still a work in progress)_ 30 + 31 + When there is a cache miss, Slingshot can often still accelerate record fetching, since it keeps a large cache of resolved identities: it can usually request from the correct PDS without extra lookups. 32 + 33 + 34 + ## Precise invalidation 35 + 36 + The fireshose includes **update** and **delete** events, which Slingshot uses to ensure stale and deleted data is removed within a very short window. Additonally, identity and account-level events can trigger rapid cleanup of data for deactivated and deleted accounts. _(some of this is still a work in progress)_ 37 + 38 + 39 + ## Low-trust 40 + 41 + The "AT" in ATProtocol [stands for _Authenticated Transfer_](https://atproto.com/guides/glossary#at-protocol): all data is cryptographically signed, which makes it possible to broadcast data through third parties and trust that it's real _without_ having to directly contact the originating server. 42 + 43 + Two core standard query APIs are supported to balance convenience and trust. They both fetch [records](https://atproto.com/guides/glossary#record): 44 + 45 + ### [`com.atproto.repo.getRecord`](#tag/comatproto-queries/get/xrpc/com.atproto.repo.getRecord) 46 + 47 + - convenient `JSON` response format 48 + - cannot be proven authentic 49 + 50 + ### [`com.atproto.sync.getRecord`](#tag/comatproto-queries/get/xrpc/com.atproto.sync.getRecord) 51 + 52 + - [`DAG-CBOR`](https://atproto.com/specs/data-model)-encoded response requires extra libraries to decode, but 53 + - includes a cryptographic proof of authenticity! 54 + 55 + _(work on this endpoint is in progress)_ 56 + 57 + 58 + ## Service proxying 59 + 60 + Clients can proxy atproto queries through their own PDS with [Service Proxying](https://atproto.com/specs/xrpc#service-proxying), and this is supported by Slingshot. The Slingshot instance must be started the `--domain` argument specified. 61 + 62 + Service-proxied requests can specify a Slingshot instance via the `atproto-proxy` header: 63 + 64 + ```http 65 + GET /xrpc/com.bad-example.identity.resolveMiniDoc?identifier=bad-example.com 66 + Host: <your pds> 67 + atproto-proxy: did:web:<slingshot domain>#slingshot 68 + ``` 69 + 70 + Where `<your pds>` is the user's own PDS host, and `<slingshot domain>` is the domain that the slingshot instance is deployed at (eg. `slingshot.microcosm.blue`). See the [Service Proxying](https://atproto.com/specs/xrpc#service-proxying) docs for more. 71 + 72 + > [!tip] 73 + > Service proxying is supported but completely optional. All APIs are directly accessible over the public internet, and GeoDNS helps route users to the closest instance to them for the lowest possible latency. (_note: deploying multiple slingshot instances with GeoDNS is still TODO_) 74 + 75 + 76 + ## Ergonomic APIs 77 + 78 + - Slingshot also offers variants of the `getRecord` endpoints that accept a full `at-uri` as a parameter, to save clients from needing to parse and validate all parts of a record location. 79 + 80 + - Bi-directionally verifying identity endpoints, so you can directly exchange atproto [`handle`](https://atproto.com/guides/glossary#handle)s for [`DID`](https://atproto.com/guides/glossary#did-decentralized-id)s without extra steps, plus a convenient [Mini-Doc](#tag/slingshot-specific-queries/get/xrpc/com.bad-example.identity.resolveMiniDoc) verified identity summary. 81 + 82 + 83 + ## Part of microcosm 84 + 85 + [Microcosm](https://www.microcosm.blue/) is a collection of services and independent community-run infrastructure for ATProtocol. 86 + 87 + Slingshot excels when combined with _shallow indexing_ services, which offer fast queries of global data relationships but with only references to the data records. Microcosm has a few! 88 + 89 + - [🌌 Constellation](https://constellation.microcosm.blue/), a global backlink index (all social interactions in atproto are links!) 90 + - [🎇 Spacedust](https://spacedust.microcosm.blue/), a firehose of all social interactions 91 + 92 + > [!success] 93 + > All microcosm projects are [open source](https://tangled.sh/@bad-example.com/microcosm-links). **You can help sustain Slingshot** and all of microcosm by becoming a [Github sponsor](https://github.com/sponsors/uniphil/) or a [Ko-fi supporter](https://ko-fi.com/bad_example)!

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slingshot/readme.md

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··· 1 + # slingshot: atproto record edge cache 2 + 3 + local dev running: 4 + 5 + ```bash 6 + RUST_LOG=info,slingshot=trace ulimit -n 4096 && RUST_LOG=info cargo run -- --jetstream us-east-1 --cache-dir ./foyer 7 + ```

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slingshot/src/consumer.rs

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··· 1 + use crate::CachedRecord; 2 + use crate::error::ConsumerError; 3 + use foyer::HybridCache; 4 + use jetstream::{ 5 + DefaultJetstreamEndpoints, JetstreamCompression, JetstreamConfig, JetstreamConnector, 6 + events::{CommitOp, Cursor, EventKind}, 7 + }; 8 + use tokio_util::sync::CancellationToken; 9 + 10 + pub async fn consume( 11 + jetstream_endpoint: String, 12 + cursor: Option<Cursor>, 13 + no_zstd: bool, 14 + shutdown: CancellationToken, 15 + cache: HybridCache<String, CachedRecord>, 16 + ) -> Result<(), ConsumerError> { 17 + let endpoint = DefaultJetstreamEndpoints::endpoint_or_shortcut(&jetstream_endpoint); 18 + if endpoint == jetstream_endpoint { 19 + log::info!("consumer: connecting jetstream at {endpoint}"); 20 + } else { 21 + log::info!("consumer: connecting jetstream at {jetstream_endpoint} => {endpoint}"); 22 + } 23 + let config: JetstreamConfig = JetstreamConfig { 24 + endpoint, 25 + compression: if no_zstd { 26 + JetstreamCompression::None 27 + } else { 28 + JetstreamCompression::Zstd 29 + }, 30 + replay_on_reconnect: true, 31 + channel_size: 1024, // buffer up to ~1s of jetstream events 32 + ..Default::default() 33 + }; 34 + let mut receiver = JetstreamConnector::new(config)? 35 + .connect_cursor(cursor) 36 + .await?; 37 + 38 + log::info!("consumer: receiving messages.."); 39 + loop { 40 + if shutdown.is_cancelled() { 41 + log::info!("consumer: exiting for shutdown"); 42 + return Ok(()); 43 + } 44 + let Some(mut event) = receiver.recv().await else { 45 + log::error!("consumer: could not receive event, bailing"); 46 + break; 47 + }; 48 + 49 + if event.kind != EventKind::Commit { 50 + continue; 51 + } 52 + let Some(ref mut commit) = event.commit else { 53 + log::warn!("consumer: commit event missing commit data, ignoring"); 54 + continue; 55 + }; 56 + 57 + // TODO: something a bit more robust 58 + let at_uri = format!( 59 + "at://{}/{}/{}", 60 + &*event.did, &*commit.collection, &*commit.rkey 61 + ); 62 + 63 + if commit.operation == CommitOp::Delete { 64 + cache.insert(at_uri, CachedRecord::Deleted); 65 + } else { 66 + let Some(record) = commit.record.take() else { 67 + log::warn!("consumer: commit insert or update missing record, ignoring"); 68 + continue; 69 + }; 70 + let Some(cid) = commit.cid.take() else { 71 + log::warn!("consumer: commit insert or update missing CID, ignoring"); 72 + continue; 73 + }; 74 + 75 + cache.insert(at_uri, CachedRecord::Found((cid, record).into())); 76 + } 77 + } 78 + 79 + Err(ConsumerError::JetstreamEnded) 80 + }

+93

slingshot/src/error.rs

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + use crate::ErrorResponseObject; 2 + use thiserror::Error; 3 + 4 + #[derive(Debug, Error)] 5 + pub enum ConsumerError { 6 + #[error(transparent)] 7 + JetstreamConnectionError(#[from] jetstream::error::ConnectionError), 8 + #[error(transparent)] 9 + JetstreamConfigValidationError(#[from] jetstream::error::ConfigValidationError), 10 + #[error("jetstream ended")] 11 + JetstreamEnded, 12 + #[error("delay queue output dropped")] 13 + DelayQueueOutputDropped, 14 + } 15 + 16 + #[derive(Debug, Error)] 17 + pub enum ServerError { 18 + #[error("server build error: {0}")] 19 + AcmeBuildError(std::io::Error), 20 + #[error("server exited: {0}")] 21 + ServerExited(std::io::Error), 22 + } 23 + 24 + #[derive(Debug, Error)] 25 + pub enum IdentityError { 26 + #[error("whatever: {0}")] 27 + WhateverError(String), 28 + #[error("bad DID: {0}")] 29 + BadDid(&'static str), 30 + #[error("identity types got mixed up: {0}")] 31 + IdentityValTypeMixup(String), 32 + #[error("foyer error: {0}")] 33 + FoyerError(#[from] foyer::Error), 34 + 35 + #[error("failed to resolve: {0}")] 36 + ResolutionFailed(#[from] atrium_identity::Error), 37 + // #[error("identity resolved but no handle found for user")] 38 + // NoHandle, 39 + #[error("found handle {0:?} but it appears invalid: {1}")] 40 + InvalidHandle(String, &'static str), 41 + 42 + #[error("could not convert atrium did doc to partial mini doc: {0}")] 43 + BadDidDoc(String), 44 + 45 + #[error("wrong key for clearing refresh queue: {0}")] 46 + RefreshQueueKeyError(&'static str), 47 + } 48 + 49 + #[derive(Debug, Error)] 50 + pub enum HealthCheckError { 51 + #[error("failed to send checkin: {0}")] 52 + HealthCheckError(#[from] reqwest::Error), 53 + } 54 + 55 + #[derive(Debug, Error)] 56 + pub enum MainTaskError { 57 + #[error(transparent)] 58 + ConsumerTaskError(#[from] ConsumerError), 59 + #[error(transparent)] 60 + ServerTaskError(#[from] ServerError), 61 + #[error(transparent)] 62 + IdentityTaskError(#[from] IdentityError), 63 + #[error(transparent)] 64 + HealthCheckError(#[from] HealthCheckError), 65 + #[error("firehose cache failed to close: {0}")] 66 + FirehoseCacheCloseError(foyer::Error), 67 + } 68 + 69 + #[derive(Debug, Error)] 70 + pub enum RecordError { 71 + #[error("identity error: {0}")] 72 + IdentityError(#[from] IdentityError), 73 + #[error("repo could not be validated as either a DID or an atproto handle")] 74 + BadRepo, 75 + #[error("could not get record: {0}")] 76 + NotFound(&'static str), 77 + #[error("could nto parse pds url: {0}")] 78 + UrlParseError(#[from] url::ParseError), 79 + #[error("reqwest send failed: {0}")] 80 + SendError(reqwest::Error), 81 + #[error("reqwest raised for status: {0}")] 82 + StatusError(reqwest::Error), 83 + #[error("reqwest failed to parse json: {0}")] 84 + ParseJsonError(reqwest::Error), 85 + #[error("upstream getRecord did not include a CID")] 86 + MissingUpstreamCid, 87 + #[error("upstream CID was not valid: {0}")] 88 + BadUpstreamCid(String), 89 + #[error("upstream atproto-looking bad request")] 90 + UpstreamBadRequest(ErrorResponseObject), 91 + #[error("upstream non-atproto bad request")] 92 + UpstreamBadBadNotGoodRequest(reqwest::Error), 93 + }

+24

slingshot/src/firehose_cache.rs

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + use crate::CachedRecord; 2 + use foyer::{DirectFsDeviceOptions, Engine, HybridCache, HybridCacheBuilder}; 3 + use std::path::Path; 4 + 5 + pub async fn firehose_cache( 6 + cache_dir: impl AsRef<Path>, 7 + memory_mb: usize, 8 + disk_gb: usize, 9 + ) -> Result<HybridCache<String, CachedRecord>, String> { 10 + let cache = HybridCacheBuilder::new() 11 + .with_name("firehose") 12 + .memory(memory_mb * 2_usize.pow(20)) 13 + .with_weighter(|k: &String, v| k.len() + std::mem::size_of_val(v)) 14 + .storage(Engine::large()) 15 + .with_device_options( 16 + DirectFsDeviceOptions::new(cache_dir) 17 + .with_capacity(disk_gb * 2_usize.pow(30)) 18 + .with_file_size(16 * 2_usize.pow(20)), // note: this does limit the max cached item size, warning jumbo records 19 + ) 20 + .build() 21 + .await 22 + .map_err(|e| format!("foyer setup error: {e:?}"))?; 23 + Ok(cache) 24 + }

+32

slingshot/src/healthcheck.rs

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + use crate::error::HealthCheckError; 2 + use reqwest::Client; 3 + use std::time::Duration; 4 + use tokio::time::sleep; 5 + use tokio_util::sync::CancellationToken; 6 + 7 + pub async fn healthcheck( 8 + endpoint: String, 9 + shutdown: CancellationToken, 10 + ) -> Result<(), HealthCheckError> { 11 + let client = Client::builder() 12 + .user_agent(format!( 13 + "microcosm slingshot v{} (dev: @bad-example.com)", 14 + env!("CARGO_PKG_VERSION") 15 + )) 16 + .no_proxy() 17 + .timeout(Duration::from_secs(10)) 18 + .build()?; 19 + 20 + loop { 21 + tokio::select! { 22 + res = client.get(&endpoint).send() => { 23 + let _ = res 24 + .and_then(|r| r.error_for_status()) 25 + .inspect_err(|e| log::error!("failed to send healthcheck: {e}")); 26 + }, 27 + _ = shutdown.cancelled() => break, 28 + } 29 + sleep(Duration::from_secs(51)).await; 30 + } 31 + Ok(()) 32 + }

+525

slingshot/src/identity.rs

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··· 1 + use hickory_resolver::{ResolveError, TokioResolver}; 2 + use std::collections::{HashSet, VecDeque}; 3 + use std::path::Path; 4 + use std::sync::Arc; 5 + /// for now we're gonna just keep doing more cache 6 + /// 7 + /// plc.director x foyer, ttl kept with data, refresh deferred to background on fetch 8 + /// 9 + /// things we need: 10 + /// 11 + /// 1. handle -> DID resolution: getRecord must accept a handle for `repo` param 12 + /// 2. DID -> PDS resolution: so we know where to getRecord 13 + /// 3. DID -> handle resolution: for bidirectional handle validation and in case we want to offer this 14 + use std::time::Duration; 15 + use tokio::sync::Mutex; 16 + use tokio_util::sync::CancellationToken; 17 + 18 + use crate::error::IdentityError; 19 + use atrium_api::{ 20 + did_doc::DidDocument, 21 + types::string::{Did, Handle}, 22 + }; 23 + use atrium_common::resolver::Resolver; 24 + use atrium_identity::{ 25 + did::{CommonDidResolver, CommonDidResolverConfig, DEFAULT_PLC_DIRECTORY_URL}, 26 + handle::{AtprotoHandleResolver, AtprotoHandleResolverConfig, DnsTxtResolver}, 27 + }; 28 + use atrium_oauth::DefaultHttpClient; // it's probably not worth bringing all of atrium_oauth for this but 29 + use foyer::{DirectFsDeviceOptions, Engine, HybridCache, HybridCacheBuilder}; 30 + use serde::{Deserialize, Serialize}; 31 + use time::UtcDateTime; 32 + 33 + /// once we have something resolved, don't re-resolve until after this period 34 + const MIN_TTL: Duration = Duration::from_secs(4 * 3600); // probably shoudl have a max ttl 35 + const MIN_NOT_FOUND_TTL: Duration = Duration::from_secs(60); 36 + 37 + #[derive(Debug, Clone, Hash, PartialEq, Eq, Serialize, Deserialize)] 38 + enum IdentityKey { 39 + Handle(Handle), 40 + Did(Did), 41 + } 42 + 43 + #[derive(Debug, Serialize, Deserialize)] 44 + struct IdentityVal(UtcDateTime, IdentityData); 45 + 46 + #[derive(Debug, Serialize, Deserialize)] 47 + enum IdentityData { 48 + NotFound, 49 + Did(Did), 50 + Doc(PartialMiniDoc), 51 + } 52 + 53 + /// partial representation of a com.bad-example.identity mini atproto doc 54 + /// 55 + /// partial because the handle is not verified 56 + #[derive(Debug, Clone, Serialize, Deserialize)] 57 + pub struct PartialMiniDoc { 58 + /// an atproto handle (**unverified**) 59 + /// 60 + /// the first valid atproto handle from the did doc's aka 61 + pub unverified_handle: Handle, 62 + /// the did's atproto pds url (TODO: type this?) 63 + /// 64 + /// note: atrium *does* actually parse it into a URI, it just doesn't return 65 + /// that for some reason 66 + pub pds: String, 67 + /// for now we're just pulling this straight from the did doc 68 + /// 69 + /// would be nice to type and validate it 70 + /// 71 + /// this is the publicKeyMultibase from the did doc. 72 + /// legacy key encoding not supported. 73 + /// `id`, `type`, and `controller` must be checked, but aren't stored. 74 + pub signing_key: String, 75 + } 76 + 77 + impl TryFrom<DidDocument> for PartialMiniDoc { 78 + type Error = String; 79 + fn try_from(did_doc: DidDocument) -> Result<Self, Self::Error> { 80 + // must use the first valid handle 81 + let mut unverified_handle = None; 82 + let Some(ref doc_akas) = did_doc.also_known_as else { 83 + return Err("did doc missing `also_known_as`".to_string()); 84 + }; 85 + for aka in doc_akas { 86 + let Some(maybe_handle) = aka.strip_prefix("at://") else { 87 + continue; 88 + }; 89 + let Ok(valid_handle) = Handle::new(maybe_handle.to_string()) else { 90 + continue; 91 + }; 92 + unverified_handle = Some(valid_handle); 93 + break; 94 + } 95 + let Some(unverified_handle) = unverified_handle else { 96 + return Err("no valid atproto handles in `also_known_as`".to_string()); 97 + }; 98 + 99 + // atrium seems to get service endpoint getters 100 + let Some(pds) = did_doc.get_pds_endpoint() else { 101 + return Err("no valid pds service found".to_string()); 102 + }; 103 + 104 + // TODO can't use atrium's get_signing_key() becuase it fails to check type and controller 105 + // so if we check those and reject it, we might miss a later valid key in the array 106 + // (todo is to fix atrium) 107 + // actually: atrium might be flexible for legacy reps. for now we're rejecting legacy rep. 108 + 109 + // must use the first valid signing key 110 + let mut signing_key = None; 111 + let Some(verification_methods) = did_doc.verification_method else { 112 + return Err("no verification methods found".to_string()); 113 + }; 114 + for method in verification_methods { 115 + if method.id != format!("{}#atproto", did_doc.id) { 116 + continue; 117 + } 118 + if method.r#type != "Multikey" { 119 + continue; 120 + } 121 + if method.controller != did_doc.id { 122 + continue; 123 + } 124 + let Some(key) = method.public_key_multibase else { 125 + continue; 126 + }; 127 + signing_key = Some(key); 128 + break; 129 + } 130 + let Some(signing_key) = signing_key else { 131 + return Err("no valid atproto signing key found in verification methods".to_string()); 132 + }; 133 + 134 + Ok(PartialMiniDoc { 135 + unverified_handle, 136 + pds, 137 + signing_key, 138 + }) 139 + } 140 + } 141 + 142 + /// multi-producer *single-consumer* queue structures (wrap in arc-mutex plz) 143 + /// 144 + /// the hashset allows testing for presense of items in the queue. 145 + /// this has absolutely no support for multiple queue consumers. 146 + #[derive(Debug, Default)] 147 + struct RefreshQueue { 148 + queue: VecDeque<IdentityKey>, 149 + items: HashSet<IdentityKey>, 150 + } 151 + 152 + #[derive(Clone)] 153 + pub struct Identity { 154 + handle_resolver: Arc<AtprotoHandleResolver<HickoryDnsTxtResolver, DefaultHttpClient>>, 155 + did_resolver: Arc<CommonDidResolver<DefaultHttpClient>>, 156 + cache: HybridCache<IdentityKey, IdentityVal>, 157 + /// multi-producer *single consumer* queue 158 + refresh_queue: Arc<Mutex<RefreshQueue>>, 159 + /// just a lock to ensure only one refresher (queue consumer) is running (to be improved with a better refresher) 160 + refresher: Arc<Mutex<()>>, 161 + } 162 + 163 + impl Identity { 164 + pub async fn new(cache_dir: impl AsRef<Path>) -> Result<Self, IdentityError> { 165 + let http_client = Arc::new(DefaultHttpClient::default()); 166 + let handle_resolver = AtprotoHandleResolver::new(AtprotoHandleResolverConfig { 167 + dns_txt_resolver: HickoryDnsTxtResolver::new().unwrap(), 168 + http_client: http_client.clone(), 169 + }); 170 + let did_resolver = CommonDidResolver::new(CommonDidResolverConfig { 171 + plc_directory_url: DEFAULT_PLC_DIRECTORY_URL.to_string(), 172 + http_client: http_client.clone(), 173 + }); 174 + 175 + let cache = HybridCacheBuilder::new() 176 + .with_name("identity") 177 + .memory(16 * 2_usize.pow(20)) 178 + .with_weighter(|k, v| std::mem::size_of_val(k) + std::mem::size_of_val(v)) 179 + .storage(Engine::small()) 180 + .with_device_options( 181 + DirectFsDeviceOptions::new(cache_dir) 182 + .with_capacity(2_usize.pow(30)) // TODO: configurable (1GB to have something) 183 + .with_file_size(2_usize.pow(20)), // note: this does limit the max cached item size, warning jumbo records 184 + ) 185 + .build() 186 + .await?; 187 + 188 + Ok(Self { 189 + handle_resolver: Arc::new(handle_resolver), 190 + did_resolver: Arc::new(did_resolver), 191 + cache, 192 + refresh_queue: Default::default(), 193 + refresher: Default::default(), 194 + }) 195 + } 196 + 197 + /// Resolve (and verify!) an atproto handle to a DID 198 + /// 199 + /// The result can be stale 200 + /// 201 + /// `None` if the handle can't be found or verification fails 202 + pub async fn handle_to_did(&self, handle: Handle) -> Result<Option<Did>, IdentityError> { 203 + let Some(did) = self.handle_to_unverified_did(&handle).await? else { 204 + return Ok(None); 205 + }; 206 + let Some(doc) = self.did_to_partial_mini_doc(&did).await? else { 207 + return Ok(None); 208 + }; 209 + if doc.unverified_handle != handle { 210 + return Ok(None); 211 + } 212 + Ok(Some(did)) 213 + } 214 + 215 + /// Resolve a DID to a pds url 216 + /// 217 + /// This *also* incidentally resolves and verifies the handle, which might 218 + /// make it slower than expected 219 + pub async fn did_to_pds(&self, did: Did) -> Result<Option<String>, IdentityError> { 220 + let Some(mini_doc) = self.did_to_partial_mini_doc(&did).await? else { 221 + return Ok(None); 222 + }; 223 + Ok(Some(mini_doc.pds)) 224 + } 225 + 226 + /// Resolve (and cache but **not verify**) a handle to a DID 227 + async fn handle_to_unverified_did( 228 + &self, 229 + handle: &Handle, 230 + ) -> Result<Option<Did>, IdentityError> { 231 + let key = IdentityKey::Handle(handle.clone()); 232 + let entry = self 233 + .cache 234 + .fetch(key.clone(), { 235 + let handle = handle.clone(); 236 + let resolver = self.handle_resolver.clone(); 237 + || async move { 238 + match resolver.resolve(&handle).await { 239 + Ok(did) => Ok(IdentityVal(UtcDateTime::now(), IdentityData::Did(did))), 240 + Err(atrium_identity::Error::NotFound) => { 241 + Ok(IdentityVal(UtcDateTime::now(), IdentityData::NotFound)) 242 + } 243 + Err(other) => Err(foyer::Error::Other(Box::new({ 244 + log::debug!("other error resolving handle: {other:?}"); 245 + IdentityError::ResolutionFailed(other) 246 + }))), 247 + } 248 + } 249 + }) 250 + .await?; 251 + 252 + let now = UtcDateTime::now(); 253 + let IdentityVal(last_fetch, data) = entry.value(); 254 + match data { 255 + IdentityData::Doc(_) => { 256 + log::error!("identity value mixup: got a doc from a handle key (should be a did)"); 257 + Err(IdentityError::IdentityValTypeMixup(handle.to_string())) 258 + } 259 + IdentityData::NotFound => { 260 + if (now - *last_fetch) >= MIN_NOT_FOUND_TTL { 261 + self.queue_refresh(key).await; 262 + } 263 + Ok(None) 264 + } 265 + IdentityData::Did(did) => { 266 + if (now - *last_fetch) >= MIN_TTL { 267 + self.queue_refresh(key).await; 268 + } 269 + Ok(Some(did.clone())) 270 + } 271 + } 272 + } 273 + 274 + /// Fetch (and cache) a partial mini doc from a did 275 + pub async fn did_to_partial_mini_doc( 276 + &self, 277 + did: &Did, 278 + ) -> Result<Option<PartialMiniDoc>, IdentityError> { 279 + let key = IdentityKey::Did(did.clone()); 280 + let entry = self 281 + .cache 282 + .fetch(key.clone(), { 283 + let did = did.clone(); 284 + let resolver = self.did_resolver.clone(); 285 + || async move { 286 + match resolver.resolve(&did).await { 287 + Ok(did_doc) => { 288 + // TODO: fix in atrium: should verify id is did 289 + if did_doc.id != did.to_string() { 290 + return Err(foyer::Error::other(Box::new( 291 + IdentityError::BadDidDoc( 292 + "did doc's id did not match did".to_string(), 293 + ), 294 + ))); 295 + } 296 + let mini_doc = did_doc.try_into().map_err(|e| { 297 + foyer::Error::Other(Box::new(IdentityError::BadDidDoc(e))) 298 + })?; 299 + Ok(IdentityVal(UtcDateTime::now(), IdentityData::Doc(mini_doc))) 300 + } 301 + Err(atrium_identity::Error::NotFound) => { 302 + Ok(IdentityVal(UtcDateTime::now(), IdentityData::NotFound)) 303 + } 304 + Err(other) => Err(foyer::Error::Other(Box::new( 305 + IdentityError::ResolutionFailed(other), 306 + ))), 307 + } 308 + } 309 + }) 310 + .await?; 311 + 312 + let now = UtcDateTime::now(); 313 + let IdentityVal(last_fetch, data) = entry.value(); 314 + match data { 315 + IdentityData::Did(_) => { 316 + log::error!("identity value mixup: got a did from a did key (should be a doc)"); 317 + Err(IdentityError::IdentityValTypeMixup(did.to_string())) 318 + } 319 + IdentityData::NotFound => { 320 + if (now - *last_fetch) >= MIN_NOT_FOUND_TTL { 321 + self.queue_refresh(key).await; 322 + } 323 + Ok(None) 324 + } 325 + IdentityData::Doc(mini_did) => { 326 + if (now - *last_fetch) >= MIN_TTL { 327 + self.queue_refresh(key).await; 328 + } 329 + Ok(Some(mini_did.clone())) 330 + } 331 + } 332 + } 333 + 334 + /// put a refresh task on the queue 335 + /// 336 + /// this can be safely called from multiple concurrent tasks 337 + async fn queue_refresh(&self, key: IdentityKey) { 338 + // todo: max queue size 339 + let mut q = self.refresh_queue.lock().await; 340 + if !q.items.contains(&key) { 341 + q.items.insert(key.clone()); 342 + q.queue.push_back(key); 343 + } 344 + } 345 + 346 + /// find out what's next in the queue. concurrent consumers are not allowed. 347 + /// 348 + /// intent is to leave the item in the queue while refreshing, so that a 349 + /// producer will not re-add it if it's in progress. there's definitely 350 + /// better ways to do this, but this is ~simple for as far as a single 351 + /// consumer can take us. 352 + /// 353 + /// we could take it from the queue but leave it in the set and remove from 354 + /// set later, but splitting them apart feels more bug-prone. 355 + async fn peek_refresh(&self) -> Option<IdentityKey> { 356 + let q = self.refresh_queue.lock().await; 357 + q.queue.front().cloned() 358 + } 359 + 360 + /// call to clear the latest key from the refresh queue. concurrent consumers not allowed. 361 + /// 362 + /// must provide the last peeked refresh queue item as a small safety check 363 + async fn complete_refresh(&self, key: &IdentityKey) -> Result<(), IdentityError> { 364 + let mut q = self.refresh_queue.lock().await; 365 + 366 + let Some(queue_key) = q.queue.pop_front() else { 367 + // gone from queue + since we're in an error condition, make sure it's not stuck in items 368 + // (not toctou because we have the lock) 369 + // bolder here than below and removing from items because if the queue is *empty*, then we 370 + // know it hasn't been re-added since losing sync. 371 + if q.items.remove(key) { 372 + log::error!("identity refresh: queue de-sync: not in "); 373 + } else { 374 + log::warn!( 375 + "identity refresh: tried to complete with wrong key. are multiple queue consumers running?" 376 + ); 377 + } 378 + return Err(IdentityError::RefreshQueueKeyError("no key in queue")); 379 + }; 380 + 381 + if queue_key != *key { 382 + // extra weird case here, what's the most defensive behaviour? 383 + // we have two keys: ours should have been first but isn't. this shouldn't happen, so let's 384 + // just leave items alone for it. risks unbounded growth but we're in a bad place already. 385 + // the other key is the one we just popped. we didn't want it, so maybe we should put it 386 + // back, BUT if we somehow ended up with concurrent consumers, we have bigger problems. take 387 + // responsibility for taking it instead: remove it from items as well, and just drop it. 388 + // 389 + // hope that whoever calls us takes this error seriously. 390 + if q.items.remove(&queue_key) { 391 + log::warn!( 392 + "identity refresh: queue de-sync + dropping a bystander key without refreshing it!" 393 + ); 394 + } else { 395 + // you thought things couldn't get weirder? (i mean hopefully they can't) 396 + log::error!("identity refresh: queue de-sync + bystander key also de-sync!?"); 397 + } 398 + return Err(IdentityError::RefreshQueueKeyError( 399 + "wrong key at front of queue", 400 + )); 401 + } 402 + 403 + if q.items.remove(key) { 404 + Ok(()) 405 + } else { 406 + log::error!("identity refresh: queue de-sync: key not in items"); 407 + Err(IdentityError::RefreshQueueKeyError("key not in items")) 408 + } 409 + } 410 + 411 + /// run the refresh queue consumer 412 + pub async fn run_refresher(&self, shutdown: CancellationToken) -> Result<(), IdentityError> { 413 + let _guard = self 414 + .refresher 415 + .try_lock() 416 + .expect("there to only be one refresher running"); 417 + loop { 418 + if shutdown.is_cancelled() { 419 + log::info!("identity refresher: exiting for shutdown: closing cache..."); 420 + if let Err(e) = self.cache.close().await { 421 + log::error!("cache close errored: {e}"); 422 + } else { 423 + log::info!("identity cache closed.") 424 + } 425 + return Ok(()); 426 + } 427 + let Some(task_key) = self.peek_refresh().await else { 428 + tokio::time::sleep(tokio::time::Duration::from_millis(100)).await; 429 + continue; 430 + }; 431 + match task_key { 432 + IdentityKey::Handle(ref handle) => { 433 + log::trace!("refreshing handle {handle:?}"); 434 + match self.handle_resolver.resolve(handle).await { 435 + Ok(did) => { 436 + self.cache.insert( 437 + task_key.clone(), 438 + IdentityVal(UtcDateTime::now(), IdentityData::Did(did)), 439 + ); 440 + } 441 + Err(atrium_identity::Error::NotFound) => { 442 + self.cache.insert( 443 + task_key.clone(), 444 + IdentityVal(UtcDateTime::now(), IdentityData::NotFound), 445 + ); 446 + } 447 + Err(err) => { 448 + log::warn!( 449 + "failed to refresh handle: {err:?}. leaving stale (should we eventually do something?)" 450 + ); 451 + } 452 + } 453 + self.complete_refresh(&task_key).await?; // failures are bugs, so break loop 454 + } 455 + IdentityKey::Did(ref did) => { 456 + log::trace!("refreshing did doc: {did:?}"); 457 + 458 + match self.did_resolver.resolve(did).await { 459 + Ok(did_doc) => { 460 + // TODO: fix in atrium: should verify id is did 461 + if did_doc.id != did.to_string() { 462 + log::warn!( 463 + "refreshed did doc failed: wrong did doc id. dropping refresh." 464 + ); 465 + continue; 466 + } 467 + let mini_doc = match did_doc.try_into() { 468 + Ok(md) => md, 469 + Err(e) => { 470 + log::warn!( 471 + "converting mini doc failed: {e:?}. dropping refresh." 472 + ); 473 + continue; 474 + } 475 + }; 476 + self.cache.insert( 477 + task_key.clone(), 478 + IdentityVal(UtcDateTime::now(), IdentityData::Doc(mini_doc)), 479 + ); 480 + } 481 + Err(atrium_identity::Error::NotFound) => { 482 + self.cache.insert( 483 + task_key.clone(), 484 + IdentityVal(UtcDateTime::now(), IdentityData::NotFound), 485 + ); 486 + } 487 + Err(err) => { 488 + log::warn!( 489 + "failed to refresh did doc: {err:?}. leaving stale (should we eventually do something?)" 490 + ); 491 + } 492 + } 493 + 494 + self.complete_refresh(&task_key).await?; // failures are bugs, so break loop 495 + } 496 + } 497 + } 498 + } 499 + } 500 + 501 + pub struct HickoryDnsTxtResolver(TokioResolver); 502 + 503 + impl HickoryDnsTxtResolver { 504 + fn new() -> Result<Self, ResolveError> { 505 + Ok(Self(TokioResolver::builder_tokio()?.build())) 506 + } 507 + } 508 + 509 + impl DnsTxtResolver for HickoryDnsTxtResolver { 510 + async fn resolve( 511 + &self, 512 + query: &str, 513 + ) -> core::result::Result<Vec<String>, Box<dyn std::error::Error + Send + Sync>> { 514 + match self.0.txt_lookup(query).await { 515 + Ok(r) => { 516 + metrics::counter!("whoami_resolve_dns_txt", "success" => "true").increment(1); 517 + Ok(r.iter().map(|r| r.to_string()).collect()) 518 + } 519 + Err(e) => { 520 + metrics::counter!("whoami_resolve_dns_txt", "success" => "false").increment(1); 521 + Err(e.into()) 522 + } 523 + } 524 + } 525 + }

+14

slingshot/src/lib.rs

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + mod consumer; 2 + pub mod error; 3 + mod firehose_cache; 4 + mod healthcheck; 5 + mod identity; 6 + mod record; 7 + mod server; 8 + 9 + pub use consumer::consume; 10 + pub use firehose_cache::firehose_cache; 11 + pub use healthcheck::healthcheck; 12 + pub use identity::Identity; 13 + pub use record::{CachedRecord, ErrorResponseObject, Repo}; 14 + pub use server::serve;

+215

slingshot/src/main.rs

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··· 1 + // use foyer::HybridCache; 2 + // use foyer::{Engine, DirectFsDeviceOptions, HybridCacheBuilder}; 3 + use metrics_exporter_prometheus::PrometheusBuilder; 4 + use slingshot::{ 5 + Identity, Repo, consume, error::MainTaskError, firehose_cache, healthcheck, serve, 6 + }; 7 + use std::path::PathBuf; 8 + 9 + use clap::Parser; 10 + use tokio_util::sync::CancellationToken; 11 + 12 + /// Slingshot record edge cache 13 + #[derive(Parser, Debug, Clone)] 14 + #[command(version, about, long_about = None)] 15 + struct Args { 16 + /// Jetstream server to connect to (exclusive with --fixture). Provide either a wss:// URL, or a shorhand value: 17 + /// 'us-east-1', 'us-east-2', 'us-west-1', or 'us-west-2' 18 + #[arg(long)] 19 + jetstream: String, 20 + /// don't request zstd-compressed jetstream events 21 + /// 22 + /// reduces CPU at the expense of more ingress bandwidth 23 + #[arg(long, action)] 24 + jetstream_no_zstd: bool, 25 + /// where to keep disk caches 26 + #[arg(long)] 27 + cache_dir: PathBuf, 28 + /// memory cache size in MB 29 + #[arg(long, default_value_t = 64)] 30 + cache_memory_mb: usize, 31 + /// disk cache size in GB 32 + #[arg(long, default_value_t = 1)] 33 + cache_disk_gb: usize, 34 + /// host for HTTP server (when not using --domain) 35 + #[arg(long, default_value = "127.0.0.1")] 36 + host: String, 37 + /// port for HTTP server (when not using --domain) 38 + #[arg(long, default_value_t = 3000)] 39 + port: u16, 40 + /// port for metrics/prometheus server 41 + #[arg(long, default_value_t = 8765)] 42 + metrics_port: u16, 43 + /// the domain pointing to this server 44 + /// 45 + /// if present: 46 + /// - a did:web document will be served at /.well-known/did.json 47 + /// - an HTTPS certs will be automatically configured with Acme/letsencrypt 48 + /// - TODO: a rate-limiter will be installed 49 + #[arg(long)] 50 + domain: Option<String>, 51 + /// email address for letsencrypt contact 52 + /// 53 + /// recommended in production, i guess? 54 + #[arg(long)] 55 + acme_contact: Option<String>, 56 + /// a location to cache acme https certs 57 + /// 58 + /// only used if --host is specified. omitting requires re-requesting certs 59 + /// on every restart, and letsencrypt has rate limits that are easy to hit. 60 + /// 61 + /// recommended in production, but mind the file permissions. 62 + #[arg(long)] 63 + certs: Option<PathBuf>, 64 + /// an web address to send healtcheck pings to every ~51s or so 65 + #[arg(long)] 66 + healthcheck: Option<String>, 67 + } 68 + 69 + #[tokio::main] 70 + async fn main() -> Result<(), String> { 71 + tracing_subscriber::fmt::init(); 72 + 73 + let shutdown = CancellationToken::new(); 74 + 75 + let ctrlc_shutdown = shutdown.clone(); 76 + ctrlc::set_handler(move || ctrlc_shutdown.cancel()).expect("failed to set ctrl-c handler"); 77 + 78 + let args = Args::parse(); 79 + 80 + if let Err(e) = install_metrics_server(args.metrics_port) { 81 + log::error!("failed to install metrics server: {e:?}"); 82 + } else { 83 + log::info!("metrics listening at http://0.0.0.0:{}", args.metrics_port); 84 + } 85 + 86 + std::fs::create_dir_all(&args.cache_dir).map_err(|e| { 87 + format!( 88 + "failed to ensure cache parent dir: {e:?} (dir: {:?})", 89 + args.cache_dir 90 + ) 91 + })?; 92 + let cache_dir = args.cache_dir.canonicalize().map_err(|e| { 93 + format!( 94 + "failed to canonicalize cache_dir: {e:?} (dir: {:?})", 95 + args.cache_dir 96 + ) 97 + })?; 98 + log::info!("cache dir ready at at {cache_dir:?}."); 99 + 100 + log::info!("setting up firehose cache..."); 101 + let cache = firehose_cache( 102 + cache_dir.join("./firehose"), 103 + args.cache_memory_mb, 104 + args.cache_disk_gb, 105 + ) 106 + .await?; 107 + log::info!("firehose cache ready."); 108 + 109 + let mut tasks: tokio::task::JoinSet<Result<(), MainTaskError>> = tokio::task::JoinSet::new(); 110 + 111 + log::info!("starting identity service..."); 112 + let identity = Identity::new(cache_dir.join("./identity")) 113 + .await 114 + .map_err(|e| format!("identity setup failed: {e:?}"))?; 115 + log::info!("identity service ready."); 116 + let identity_refresher = identity.clone(); 117 + let identity_shutdown = shutdown.clone(); 118 + tasks.spawn(async move { 119 + identity_refresher.run_refresher(identity_shutdown).await?; 120 + Ok(()) 121 + }); 122 + 123 + let repo = Repo::new(identity.clone()); 124 + 125 + let server_shutdown = shutdown.clone(); 126 + let server_cache_handle = cache.clone(); 127 + tasks.spawn(async move { 128 + serve( 129 + server_cache_handle, 130 + identity, 131 + repo, 132 + args.domain, 133 + args.acme_contact, 134 + args.certs, 135 + args.host, 136 + args.port, 137 + server_shutdown, 138 + ) 139 + .await?; 140 + Ok(()) 141 + }); 142 + 143 + let consumer_shutdown = shutdown.clone(); 144 + let consumer_cache = cache.clone(); 145 + tasks.spawn(async move { 146 + consume( 147 + args.jetstream, 148 + None, 149 + args.jetstream_no_zstd, 150 + consumer_shutdown, 151 + consumer_cache, 152 + ) 153 + .await?; 154 + Ok(()) 155 + }); 156 + 157 + if let Some(hc) = args.healthcheck { 158 + let healthcheck_shutdown = shutdown.clone(); 159 + tasks.spawn(async move { 160 + healthcheck(hc, healthcheck_shutdown).await?; 161 + Ok(()) 162 + }); 163 + } 164 + 165 + tokio::select! { 166 + _ = shutdown.cancelled() => log::warn!("shutdown requested"), 167 + Some(r) = tasks.join_next() => { 168 + log::warn!("a task exited, shutting down: {r:?}"); 169 + shutdown.cancel(); 170 + } 171 + } 172 + 173 + tasks.spawn(async move { 174 + cache 175 + .close() 176 + .await 177 + .map_err(MainTaskError::FirehoseCacheCloseError) 178 + }); 179 + 180 + tokio::select! { 181 + _ = async { 182 + while let Some(completed) = tasks.join_next().await { 183 + log::info!("shutdown: task completed: {completed:?}"); 184 + } 185 + } => {}, 186 + _ = tokio::time::sleep(std::time::Duration::from_secs(30)) => { 187 + log::info!("shutdown: not all tasks completed on time. aborting..."); 188 + tasks.shutdown().await; 189 + }, 190 + } 191 + 192 + log::info!("bye!"); 193 + 194 + Ok(()) 195 + } 196 + 197 + fn install_metrics_server(port: u16) -> Result<(), metrics_exporter_prometheus::BuildError> { 198 + log::info!("installing metrics server..."); 199 + let host = [0, 0, 0, 0]; 200 + PrometheusBuilder::new() 201 + .set_quantiles(&[0.5, 0.9, 0.99, 1.0])? 202 + .set_bucket_duration(std::time::Duration::from_secs(300))? 203 + .set_bucket_count(std::num::NonZero::new(12).unwrap()) // count * duration = 60 mins. stuff doesn't happen that fast here. 204 + .set_enable_unit_suffix(false) // this seemed buggy for constellation (sometimes wouldn't engage) 205 + .with_http_listener((host, port)) 206 + .install()?; 207 + log::info!( 208 + "metrics server installed! listening on http://{}.{}.{}.{}:{port}", 209 + host[0], 210 + host[1], 211 + host[2], 212 + host[3] 213 + ); 214 + Ok(()) 215 + }

+155

slingshot/src/record.rs

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··· 1 + //! cached record storage 2 + 3 + use crate::{Identity, error::RecordError}; 4 + use atrium_api::types::string::{Cid, Did, Nsid, RecordKey}; 5 + use reqwest::{Client, StatusCode}; 6 + use serde::{Deserialize, Serialize}; 7 + use serde_json::value::RawValue; 8 + use std::str::FromStr; 9 + use std::time::Duration; 10 + use url::Url; 11 + 12 + #[derive(Debug, Serialize, Deserialize)] 13 + pub struct RawRecord { 14 + cid: Cid, 15 + record: String, 16 + } 17 + 18 + // TODO: should be able to do typed CID 19 + impl From<(Cid, Box<RawValue>)> for RawRecord { 20 + fn from((cid, rv): (Cid, Box<RawValue>)) -> Self { 21 + Self { 22 + cid, 23 + record: rv.get().to_string(), 24 + } 25 + } 26 + } 27 + 28 + /// only for use with stored (validated) values, not general strings 29 + impl From<&RawRecord> for (Cid, Box<RawValue>) { 30 + fn from(RawRecord { cid, record }: &RawRecord) -> Self { 31 + ( 32 + cid.clone(), 33 + RawValue::from_string(record.to_string()) 34 + .expect("stored string from RawValue to be valid"), 35 + ) 36 + } 37 + } 38 + 39 + #[derive(Debug, Serialize, Deserialize)] 40 + pub enum CachedRecord { 41 + Found(RawRecord), 42 + Deleted, 43 + } 44 + 45 + //////// upstream record fetching 46 + 47 + #[derive(Deserialize)] 48 + struct RecordResponseObject { 49 + #[allow(dead_code)] // expect it to be there but we ignore it 50 + uri: String, 51 + /// CID for this exact version of the record 52 + /// 53 + /// this is optional in the spec and that's potentially TODO for slingshot 54 + cid: Option<String>, 55 + /// the record itself as JSON 56 + value: Box<RawValue>, 57 + } 58 + 59 + #[derive(Debug, Deserialize)] 60 + pub struct ErrorResponseObject { 61 + pub error: String, 62 + pub message: String, 63 + } 64 + 65 + #[derive(Clone)] 66 + pub struct Repo { 67 + identity: Identity, 68 + client: Client, 69 + } 70 + 71 + impl Repo { 72 + pub fn new(identity: Identity) -> Self { 73 + let client = Client::builder() 74 + .user_agent(format!( 75 + "microcosm slingshot v{} (dev: @bad-example.com)", 76 + env!("CARGO_PKG_VERSION") 77 + )) 78 + .no_proxy() 79 + .timeout(Duration::from_secs(10)) 80 + .build() 81 + .unwrap(); 82 + Repo { identity, client } 83 + } 84 + 85 + pub async fn get_record( 86 + &self, 87 + did: &Did, 88 + collection: &Nsid, 89 + rkey: &RecordKey, 90 + cid: &Option<Cid>, 91 + ) -> Result<CachedRecord, RecordError> { 92 + let Some(pds) = self.identity.did_to_pds(did.clone()).await? else { 93 + return Err(RecordError::NotFound("could not get pds for DID")); 94 + }; 95 + 96 + // cid gets set to None for a retry, if it's Some and we got NotFound 97 + let mut cid = cid; 98 + 99 + let res = loop { 100 + // TODO: throttle outgoing requests by host probably, generally guard against outgoing requests 101 + let mut params = vec![ 102 + ("repo", did.to_string()), 103 + ("collection", collection.to_string()), 104 + ("rkey", rkey.to_string()), 105 + ]; 106 + if let Some(cid) = cid { 107 + params.push(("cid", cid.as_ref().to_string())); 108 + } 109 + let mut url = Url::parse_with_params(&pds, &params)?; 110 + url.set_path("/xrpc/com.atproto.repo.getRecord"); 111 + 112 + let res = self 113 + .client 114 + .get(url.clone()) 115 + .send() 116 + .await 117 + .map_err(RecordError::SendError)?; 118 + 119 + if res.status() == StatusCode::BAD_REQUEST { 120 + // 1. if we're not able to parse json, it's not something we can handle 121 + let err = res 122 + .json::<ErrorResponseObject>() 123 + .await 124 + .map_err(RecordError::UpstreamBadBadNotGoodRequest)?; 125 + // 2. if we are, is it a NotFound? and if so, did we try with a CID? 126 + // if so, retry with no CID (api handler will reject for mismatch but 127 + // with a nice error + warm cache) 128 + if err.error == "NotFound" && cid.is_some() { 129 + cid = &None; 130 + continue; 131 + } else { 132 + return Err(RecordError::UpstreamBadRequest(err)); 133 + } 134 + } 135 + break res; 136 + }; 137 + 138 + let data = res 139 + .error_for_status() 140 + .map_err(RecordError::StatusError)? // TODO atproto error handling (think about handling not found) 141 + .json::<RecordResponseObject>() 142 + .await 143 + .map_err(RecordError::ParseJsonError)?; // todo... 144 + 145 + let Some(cid) = data.cid else { 146 + return Err(RecordError::MissingUpstreamCid); 147 + }; 148 + let cid = Cid::from_str(&cid).map_err(|e| RecordError::BadUpstreamCid(e.to_string()))?; 149 + 150 + Ok(CachedRecord::Found(RawRecord { 151 + cid, 152 + record: data.value.to_string(), 153 + })) 154 + } 155 + }

+785

slingshot/src/server.rs

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··· 1 + use crate::{ 2 + CachedRecord, ErrorResponseObject, Identity, Repo, 3 + error::{RecordError, ServerError}, 4 + }; 5 + use atrium_api::types::string::{Cid, Did, Handle, Nsid, RecordKey}; 6 + use foyer::HybridCache; 7 + use links::at_uri::parse_at_uri as normalize_at_uri; 8 + use serde::Serialize; 9 + use std::path::PathBuf; 10 + use std::str::FromStr; 11 + use std::sync::Arc; 12 + use tokio_util::sync::CancellationToken; 13 + 14 + use poem::{ 15 + Endpoint, EndpointExt, Route, Server, 16 + endpoint::{StaticFileEndpoint, make_sync}, 17 + http::Method, 18 + listener::{ 19 + Listener, TcpListener, 20 + acme::{AutoCert, LETS_ENCRYPT_PRODUCTION}, 21 + }, 22 + middleware::{CatchPanic, Cors, Tracing}, 23 + }; 24 + use poem_openapi::{ 25 + ApiResponse, ContactObject, ExternalDocumentObject, Object, OpenApi, OpenApiService, Tags, 26 + param::Query, payload::Json, types::Example, 27 + }; 28 + 29 + fn example_handle() -> String { 30 + "bad-example.com".to_string() 31 + } 32 + fn example_did() -> String { 33 + "did:plc:hdhoaan3xa3jiuq4fg4mefid".to_string() 34 + } 35 + fn example_collection() -> String { 36 + "app.bsky.feed.like".to_string() 37 + } 38 + fn example_rkey() -> String { 39 + "3lv4ouczo2b2a".to_string() 40 + } 41 + fn example_uri() -> String { 42 + format!( 43 + "at://{}/{}/{}", 44 + example_did(), 45 + example_collection(), 46 + example_rkey() 47 + ) 48 + } 49 + fn example_pds() -> String { 50 + "https://porcini.us-east.host.bsky.network".to_string() 51 + } 52 + fn example_signing_key() -> String { 53 + "zQ3shpq1g134o7HGDb86CtQFxnHqzx5pZWknrVX2Waum3fF6j".to_string() 54 + } 55 + 56 + #[derive(Object)] 57 + #[oai(example = true)] 58 + struct XrpcErrorResponseObject { 59 + /// Should correspond an error `name` in the lexicon errors array 60 + error: String, 61 + /// Human-readable description and possibly additonal context 62 + message: String, 63 + } 64 + impl Example for XrpcErrorResponseObject { 65 + fn example() -> Self { 66 + Self { 67 + error: "RecordNotFound".to_string(), 68 + message: "This record was deleted".to_string(), 69 + } 70 + } 71 + } 72 + type XrpcError = Json<XrpcErrorResponseObject>; 73 + fn xrpc_error(error: impl AsRef<str>, message: impl AsRef<str>) -> XrpcError { 74 + Json(XrpcErrorResponseObject { 75 + error: error.as_ref().to_string(), 76 + message: message.as_ref().to_string(), 77 + }) 78 + } 79 + 80 + fn bad_request_handler_get_record(err: poem::Error) -> GetRecordResponse { 81 + GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 82 + error: "InvalidRequest".to_string(), 83 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 84 + })) 85 + } 86 + 87 + fn bad_request_handler_resolve_mini(err: poem::Error) -> ResolveMiniIDResponse { 88 + ResolveMiniIDResponse::BadRequest(Json(XrpcErrorResponseObject { 89 + error: "InvalidRequest".to_string(), 90 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 91 + })) 92 + } 93 + 94 + fn bad_request_handler_resolve_handle(err: poem::Error) -> JustDidResponse { 95 + JustDidResponse::BadRequest(Json(XrpcErrorResponseObject { 96 + error: "InvalidRequest".to_string(), 97 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 98 + })) 99 + } 100 + 101 + #[derive(Object)] 102 + #[oai(example = true)] 103 + struct FoundRecordResponseObject { 104 + /// at-uri for this record 105 + uri: String, 106 + /// CID for this exact version of the record 107 + /// 108 + /// Slingshot will always return the CID, despite it not being a required 109 + /// response property in the official lexicon. 110 + /// 111 + /// TODO: probably actually let it be optional, idk are some pds's weirdly 112 + /// not returning it? 113 + cid: Option<String>, 114 + /// the record itself as JSON 115 + value: serde_json::Value, 116 + } 117 + impl Example for FoundRecordResponseObject { 118 + fn example() -> Self { 119 + Self { 120 + uri: example_uri(), 121 + cid: Some("bafyreialv3mzvvxaoyrfrwoer3xmabbmdchvrbyhayd7bga47qjbycy74e".to_string()), 122 + value: serde_json::json!({ 123 + "$type": "app.bsky.feed.like", 124 + "createdAt": "2025-07-29T18:02:02.327Z", 125 + "subject": { 126 + "cid": "bafyreia2gy6eyk5qfetgahvshpq35vtbwy6negpy3gnuulcdi723mi7vxy", 127 + "uri": "at://did:plc:vwzwgnygau7ed7b7wt5ux7y2/app.bsky.feed.post/3lv4lkb4vgs2k" 128 + } 129 + }), 130 + } 131 + } 132 + } 133 + 134 + #[derive(ApiResponse)] 135 + #[oai(bad_request_handler = "bad_request_handler_get_record")] 136 + enum GetRecordResponse { 137 + /// Record found 138 + #[oai(status = 200)] 139 + Ok(Json<FoundRecordResponseObject>), 140 + /// Bad request or no record to return 141 + /// 142 + /// The only error name in the repo.getRecord lexicon is `RecordNotFound`, 143 + /// but the [canonical api docs](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 144 + /// also list `InvalidRequest`, `ExpiredToken`, and `InvalidToken`. Of 145 + /// these, slingshot will only generate `RecordNotFound` or `InvalidRequest`, 146 + /// but may return any proxied error code from the upstream repo. 147 + #[oai(status = 400)] 148 + BadRequest(XrpcError), 149 + /// Server errors 150 + #[oai(status = 500)] 151 + ServerError(XrpcError), 152 + } 153 + 154 + #[derive(Object)] 155 + #[oai(example = true)] 156 + struct MiniDocResponseObject { 157 + /// DID, bi-directionally verified if a handle was provided in the query. 158 + did: String, 159 + /// The validated handle of the account or `handle.invalid` if the handle 160 + /// did not bi-directionally match the DID document. 161 + handle: String, 162 + /// The identity's PDS URL 163 + pds: String, 164 + /// The atproto signing key publicKeyMultibase 165 + /// 166 + /// Legacy key encoding not supported. the key is returned directly; `id`, 167 + /// `type`, and `controller` are omitted. 168 + signing_key: String, 169 + } 170 + impl Example for MiniDocResponseObject { 171 + fn example() -> Self { 172 + Self { 173 + did: example_did(), 174 + handle: example_handle(), 175 + pds: example_pds(), 176 + signing_key: example_signing_key(), 177 + } 178 + } 179 + } 180 + 181 + #[derive(ApiResponse)] 182 + #[oai(bad_request_handler = "bad_request_handler_resolve_mini")] 183 + enum ResolveMiniIDResponse { 184 + /// Identity resolved 185 + #[oai(status = 200)] 186 + Ok(Json<MiniDocResponseObject>), 187 + /// Bad request or identity not resolved 188 + #[oai(status = 400)] 189 + BadRequest(XrpcError), 190 + } 191 + 192 + #[derive(Object)] 193 + #[oai(example = true)] 194 + struct FoundDidResponseObject { 195 + /// the DID, bi-directionally verified if using Slingshot 196 + did: String, 197 + } 198 + impl Example for FoundDidResponseObject { 199 + fn example() -> Self { 200 + Self { did: example_did() } 201 + } 202 + } 203 + 204 + #[derive(ApiResponse)] 205 + #[oai(bad_request_handler = "bad_request_handler_resolve_handle")] 206 + enum JustDidResponse { 207 + /// Resolution succeeded 208 + #[oai(status = 200)] 209 + Ok(Json<FoundDidResponseObject>), 210 + /// Bad request, failed to resolve, or failed to verify 211 + /// 212 + /// `error` will be one of `InvalidRequest`, `HandleNotFound`. 213 + #[oai(status = 400)] 214 + BadRequest(XrpcError), 215 + /// Something went wrong trying to complete the request 216 + #[oai(status = 500)] 217 + ServerError(XrpcError), 218 + } 219 + 220 + struct Xrpc { 221 + cache: HybridCache<String, CachedRecord>, 222 + identity: Identity, 223 + repo: Arc<Repo>, 224 + } 225 + 226 + #[derive(Tags)] 227 + enum ApiTags { 228 + /// Core ATProtocol-compatible APIs. 229 + /// 230 + /// > [!tip] 231 + /// > Upstream documentation is available at 232 + /// > https://docs.bsky.app/docs/category/http-reference 233 + /// 234 + /// These queries are usually executed directly against the PDS containing 235 + /// the data being requested. Slingshot offers a caching view of the same 236 + /// contents with better expected performance and reliability. 237 + #[oai(rename = "com.atproto.* queries")] 238 + ComAtproto, 239 + /// Additional and improved APIs. 240 + /// 241 + /// These APIs offer small tweaks to the core ATProtocol APIs, with more 242 + /// more convenient [request parameters](#tag/slingshot-specific-queries/GET/xrpc/com.bad-example.repo.getUriRecord) 243 + /// or [response formats](#tag/slingshot-specific-queries/GET/xrpc/com.bad-example.identity.resolveMiniDoc). 244 + /// 245 + /// > [!important] 246 + /// > At the moment, these are namespaced under the `com.bad-example.*` NSID 247 + /// > prefix, but as they stabilize they may be migrated to an org namespace 248 + /// > like `blue.microcosm.*`. Support for asliasing to `com.bad-example.*` 249 + /// > will be maintained as long as it's in use. 250 + #[oai(rename = "slingshot-specific queries")] 251 + Custom, 252 + } 253 + 254 + #[OpenApi] 255 + impl Xrpc { 256 + /// com.atproto.repo.getRecord 257 + /// 258 + /// Get a single record from a repository. Does not require auth. 259 + /// 260 + /// > [!tip] 261 + /// > See also the [canonical `com.atproto` XRPC documentation](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 262 + /// > that this endpoint aims to be compatible with. 263 + #[oai( 264 + path = "/com.atproto.repo.getRecord", 265 + method = "get", 266 + tag = "ApiTags::ComAtproto" 267 + )] 268 + async fn get_record( 269 + &self, 270 + /// The DID or handle of the repo 271 + #[oai(example = "example_did")] 272 + Query(repo): Query<String>, 273 + /// The NSID of the record collection 274 + #[oai(example = "example_collection")] 275 + Query(collection): Query<String>, 276 + /// The Record key 277 + #[oai(example = "example_rkey")] 278 + Query(rkey): Query<String>, 279 + /// Optional: the CID of the version of the record. 280 + /// 281 + /// If not specified, then return the most recent version. 282 + /// 283 + /// If a stale `CID` is specified and a newer version of the record 284 + /// exists, Slingshot returns a `NotFound` error. That is: Slingshot 285 + /// only retains the most recent version of a record. 286 + Query(cid): Query<Option<String>>, 287 + ) -> GetRecordResponse { 288 + self.get_record_impl(repo, collection, rkey, cid).await 289 + } 290 + 291 + /// com.bad-example.repo.getUriRecord 292 + /// 293 + /// Ergonomic complement to [`com.atproto.repo.getRecord`](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 294 + /// which accepts an `at-uri` instead of individual repo/collection/rkey params 295 + #[oai( 296 + path = "/com.bad-example.repo.getUriRecord", 297 + method = "get", 298 + tag = "ApiTags::Custom" 299 + )] 300 + async fn get_uri_record( 301 + &self, 302 + /// The at-uri of the record 303 + /// 304 + /// The identifier can be a DID or an atproto handle, and the collection 305 + /// and rkey segments must be present. 306 + #[oai(example = "example_uri")] 307 + Query(at_uri): Query<String>, 308 + /// Optional: the CID of the version of the record. 309 + /// 310 + /// If not specified, then return the most recent version. 311 + /// 312 + /// > [!tip] 313 + /// > If specified and a newer version of the record exists, returns 404 not 314 + /// > found. That is: slingshot only retains the most recent version of a 315 + /// > record. 316 + Query(cid): Query<Option<String>>, 317 + ) -> GetRecordResponse { 318 + let bad_at_uri = || { 319 + GetRecordResponse::BadRequest(xrpc_error( 320 + "InvalidRequest", 321 + "at-uri does not appear to be valid", 322 + )) 323 + }; 324 + 325 + let Some(normalized) = normalize_at_uri(&at_uri) else { 326 + return bad_at_uri(); 327 + }; 328 + 329 + // TODO: move this to links 330 + let Some(rest) = normalized.strip_prefix("at://") else { 331 + return bad_at_uri(); 332 + }; 333 + let Some((repo, rest)) = rest.split_once('/') else { 334 + return bad_at_uri(); 335 + }; 336 + let Some((collection, rest)) = rest.split_once('/') else { 337 + return bad_at_uri(); 338 + }; 339 + let rkey = if let Some((rkey, _rest)) = rest.split_once('?') { 340 + rkey 341 + } else { 342 + rest 343 + }; 344 + 345 + self.get_record_impl( 346 + repo.to_string(), 347 + collection.to_string(), 348 + rkey.to_string(), 349 + cid, 350 + ) 351 + .await 352 + } 353 + 354 + /// com.atproto.identity.resolveHandle 355 + /// 356 + /// Resolves an atproto [`handle`](https://atproto.com/guides/glossary#handle) 357 + /// (hostname) to a [`DID`](https://atproto.com/guides/glossary#did-decentralized-id). 358 + /// 359 + /// > [!tip] 360 + /// > Compatibility note: Slingshot will **always bi-directionally verify 361 + /// > against the DID document**, which is optional according to the 362 + /// > authoritative lexicon. 363 + /// 364 + /// > [!tip] 365 + /// > See the [canonical `com.atproto` XRPC documentation](https://docs.bsky.app/docs/api/com-atproto-identity-resolve-handle) 366 + /// > that this endpoint aims to be compatible with. 367 + #[oai( 368 + path = "/com.atproto.identity.resolveHandle", 369 + method = "get", 370 + tag = "ApiTags::ComAtproto" 371 + )] 372 + async fn resolve_handle( 373 + &self, 374 + /// The handle to resolve. 375 + #[oai(example = "example_handle")] 376 + Query(handle): Query<String>, 377 + ) -> JustDidResponse { 378 + let Ok(handle) = Handle::new(handle) else { 379 + return JustDidResponse::BadRequest(xrpc_error("InvalidRequest", "not a valid handle")); 380 + }; 381 + 382 + let Ok(alleged_did) = self.identity.handle_to_did(handle.clone()).await else { 383 + return JustDidResponse::ServerError(xrpc_error("Failed", "Could not resolve handle")); 384 + }; 385 + 386 + let Some(alleged_did) = alleged_did else { 387 + return JustDidResponse::BadRequest(xrpc_error( 388 + "HandleNotFound", 389 + "Could not resolve handle to a DID", 390 + )); 391 + }; 392 + 393 + let Ok(partial_doc) = self.identity.did_to_partial_mini_doc(&alleged_did).await else { 394 + return JustDidResponse::ServerError(xrpc_error("Failed", "Could not fetch DID doc")); 395 + }; 396 + 397 + let Some(partial_doc) = partial_doc else { 398 + return JustDidResponse::BadRequest(xrpc_error( 399 + "HandleNotFound", 400 + "Resolved handle but could not find DID doc for the DID", 401 + )); 402 + }; 403 + 404 + if partial_doc.unverified_handle != handle { 405 + return JustDidResponse::BadRequest(xrpc_error( 406 + "HandleNotFound", 407 + "Resolved handle failed bi-directional validation", 408 + )); 409 + } 410 + 411 + JustDidResponse::Ok(Json(FoundDidResponseObject { 412 + did: alleged_did.to_string(), 413 + })) 414 + } 415 + 416 + /// com.bad-example.identity.resolveMiniDoc 417 + /// 418 + /// Like [com.atproto.identity.resolveIdentity](https://docs.bsky.app/docs/api/com-atproto-identity-resolve-identity) 419 + /// but instead of the full `didDoc` it returns an atproto-relevant subset. 420 + #[oai( 421 + path = "/com.bad-example.identity.resolveMiniDoc", 422 + method = "get", 423 + tag = "ApiTags::Custom" 424 + )] 425 + async fn resolve_mini_id( 426 + &self, 427 + /// Handle or DID to resolve 428 + #[oai(example = "example_handle")] 429 + Query(identifier): Query<String>, 430 + ) -> ResolveMiniIDResponse { 431 + let invalid = |reason: &'static str| { 432 + ResolveMiniIDResponse::BadRequest(xrpc_error("InvalidRequest", reason)) 433 + }; 434 + 435 + let mut unverified_handle = None; 436 + let did = match Did::new(identifier.clone()) { 437 + Ok(did) => did, 438 + Err(_) => { 439 + let Ok(alleged_handle) = Handle::new(identifier) else { 440 + return invalid("Identifier was not a valid DID or handle"); 441 + }; 442 + 443 + match self.identity.handle_to_did(alleged_handle.clone()).await { 444 + Ok(res) => { 445 + if let Some(did) = res { 446 + // we did it joe 447 + unverified_handle = Some(alleged_handle); 448 + did 449 + } else { 450 + return invalid("Could not resolve handle identifier to a DID"); 451 + } 452 + } 453 + Err(e) => { 454 + log::debug!("failed to resolve handle: {e}"); 455 + // TODO: ServerError not BadRequest 456 + return invalid("Errored while trying to resolve handle to DID"); 457 + } 458 + } 459 + } 460 + }; 461 + let Ok(partial_doc) = self.identity.did_to_partial_mini_doc(&did).await else { 462 + return invalid("Failed to get DID doc"); 463 + }; 464 + let Some(partial_doc) = partial_doc else { 465 + return invalid("Failed to find DID doc"); 466 + }; 467 + 468 + // ok so here's where we're at: 469 + // ✅ we have a DID 470 + // ✅ we have a partial doc 471 + // 🔶 if we have a handle, it's from the `identifier` (user-input) 472 + // -> then we just need to compare to the partial doc to confirm 473 + // -> else we need to resolve the DID doc's to a handle and check 474 + let handle = if let Some(h) = unverified_handle { 475 + if h == partial_doc.unverified_handle { 476 + h.to_string() 477 + } else { 478 + "handle.invalid".to_string() 479 + } 480 + } else { 481 + let Ok(handle_did) = self 482 + .identity 483 + .handle_to_did(partial_doc.unverified_handle.clone()) 484 + .await 485 + else { 486 + return invalid("Failed to get DID doc's handle"); 487 + }; 488 + let Some(handle_did) = handle_did else { 489 + return invalid("Failed to resolve DID doc's handle"); 490 + }; 491 + if handle_did == did { 492 + partial_doc.unverified_handle.to_string() 493 + } else { 494 + "handle.invalid".to_string() 495 + } 496 + }; 497 + 498 + ResolveMiniIDResponse::Ok(Json(MiniDocResponseObject { 499 + did: did.to_string(), 500 + handle, 501 + pds: partial_doc.pds, 502 + signing_key: partial_doc.signing_key, 503 + })) 504 + } 505 + 506 + async fn get_record_impl( 507 + &self, 508 + repo: String, 509 + collection: String, 510 + rkey: String, 511 + cid: Option<String>, 512 + ) -> GetRecordResponse { 513 + let did = match Did::new(repo.clone()) { 514 + Ok(did) => did, 515 + Err(_) => { 516 + let Ok(handle) = Handle::new(repo) else { 517 + return GetRecordResponse::BadRequest(xrpc_error( 518 + "InvalidRequest", 519 + "Repo was not a valid DID or handle", 520 + )); 521 + }; 522 + match self.identity.handle_to_did(handle).await { 523 + Ok(res) => { 524 + if let Some(did) = res { 525 + did 526 + } else { 527 + return GetRecordResponse::BadRequest(xrpc_error( 528 + "InvalidRequest", 529 + "Could not resolve handle repo to a DID", 530 + )); 531 + } 532 + } 533 + Err(e) => { 534 + log::debug!("handle resolution failed: {e}"); 535 + return GetRecordResponse::ServerError(xrpc_error( 536 + "ResolutionFailed", 537 + "Errored while trying to resolve handle to DID", 538 + )); 539 + } 540 + } 541 + } 542 + }; 543 + 544 + let Ok(collection) = Nsid::new(collection) else { 545 + return GetRecordResponse::BadRequest(xrpc_error( 546 + "InvalidRequest", 547 + "Invalid NSID for collection", 548 + )); 549 + }; 550 + 551 + let Ok(rkey) = RecordKey::new(rkey) else { 552 + return GetRecordResponse::BadRequest(xrpc_error("InvalidRequest", "Invalid rkey")); 553 + }; 554 + 555 + let cid: Option<Cid> = if let Some(cid) = cid { 556 + let Ok(cid) = Cid::from_str(&cid) else { 557 + return GetRecordResponse::BadRequest(xrpc_error("InvalidRequest", "Invalid CID")); 558 + }; 559 + Some(cid) 560 + } else { 561 + None 562 + }; 563 + 564 + let at_uri = format!("at://{}/{}/{}", &*did, &*collection, &*rkey); 565 + 566 + let fr = self 567 + .cache 568 + .fetch(at_uri.clone(), { 569 + let cid = cid.clone(); 570 + let repo_api = self.repo.clone(); 571 + || async move { 572 + repo_api 573 + .get_record(&did, &collection, &rkey, &cid) 574 + .await 575 + .map_err(|e| foyer::Error::Other(Box::new(e))) 576 + } 577 + }) 578 + .await; 579 + 580 + let entry = match fr { 581 + Ok(e) => e, 582 + Err(foyer::Error::Other(e)) => { 583 + let record_error = match e.downcast::<RecordError>() { 584 + Ok(e) => e, 585 + Err(e) => { 586 + log::error!("error (foyer other) getting cache entry, {e:?}"); 587 + return GetRecordResponse::ServerError(xrpc_error( 588 + "ServerError", 589 + "sorry, something went wrong", 590 + )); 591 + } 592 + }; 593 + let RecordError::UpstreamBadRequest(ErrorResponseObject { error, message }) = 594 + *record_error 595 + else { 596 + log::error!("RecordError getting cache entry, {record_error:?}"); 597 + return GetRecordResponse::ServerError(xrpc_error( 598 + "ServerError", 599 + "sorry, something went wrong", 600 + )); 601 + }; 602 + 603 + // all of the noise around here is so that we can ultimately reach this: 604 + // upstream BadRequest extracted from the foyer result which we can proxy back 605 + return GetRecordResponse::BadRequest(xrpc_error( 606 + error, 607 + format!("Upstream bad request: {message}"), 608 + )); 609 + } 610 + Err(e) => { 611 + log::error!("error (foyer) getting cache entry, {e:?}"); 612 + return GetRecordResponse::ServerError(xrpc_error( 613 + "ServerError", 614 + "sorry, something went wrong", 615 + )); 616 + } 617 + }; 618 + 619 + match *entry { 620 + CachedRecord::Found(ref raw) => { 621 + let (found_cid, raw_value) = raw.into(); 622 + if cid.clone().map(|c| c != found_cid).unwrap_or(false) { 623 + return GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 624 + error: "RecordNotFound".to_string(), 625 + message: "A record was found but its CID did not match that requested" 626 + .to_string(), 627 + })); 628 + } 629 + // TODO: thank u stellz: https://gist.github.com/stella3d/51e679e55b264adff89d00a1e58d0272 630 + let value = 631 + serde_json::from_str(raw_value.get()).expect("RawValue to be valid json"); 632 + GetRecordResponse::Ok(Json(FoundRecordResponseObject { 633 + uri: at_uri, 634 + cid: Some(found_cid.as_ref().to_string()), 635 + value, 636 + })) 637 + } 638 + CachedRecord::Deleted => GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 639 + error: "RecordNotFound".to_string(), 640 + message: "This record was deleted".to_string(), 641 + })), 642 + } 643 + } 644 + 645 + // TODO 646 + // #[oai(path = "/com.atproto.identity.resolveHandle", method = "get")] 647 + // #[oai(path = "/com.atproto.identity.resolveDid", method = "get")] 648 + // but these are both not specified to do bidirectional validation, which is what we want to offer 649 + // com.atproto.identity.resolveIdentity seems right, but requires returning the full did-doc 650 + // would be nice if there were two queries: 651 + // did -> verified handle + pds url 652 + // handle -> verified did + pds url 653 + // 654 + // we could do horrible things and implement resolveIdentity with only a stripped-down fake did doc 655 + // but this will *definitely* cause problems because eg. we're not currently storing pubkeys and 656 + // those are a little bit important 657 + } 658 + 659 + #[derive(Debug, Clone, Serialize)] 660 + #[serde(rename_all = "camelCase")] 661 + struct AppViewService { 662 + id: String, 663 + r#type: String, 664 + service_endpoint: String, 665 + } 666 + #[derive(Debug, Clone, Serialize)] 667 + struct AppViewDoc { 668 + id: String, 669 + service: [AppViewService; 1], 670 + } 671 + /// Serve a did document for did:web for this to be an xrpc appview 672 + /// 673 + /// No slingshot endpoints currently require auth, so it's not necessary to do 674 + /// service proxying, however clients may wish to: 675 + /// 676 + /// - PDS proxying offers a level of client IP anonymity from slingshot 677 + /// - slingshot *may* implement more generous per-user rate-limits for proxied requests in the future 678 + fn get_did_doc(domain: &str) -> impl Endpoint + use<> { 679 + let doc = poem::web::Json(AppViewDoc { 680 + id: format!("did:web:{domain}"), 681 + service: [AppViewService { 682 + id: "#slingshot".to_string(), 683 + r#type: "SlingshotRecordProxy".to_string(), 684 + service_endpoint: format!("https://{domain}"), 685 + }], 686 + }); 687 + make_sync(move |_| doc.clone()) 688 + } 689 + 690 + pub async fn serve( 691 + cache: HybridCache<String, CachedRecord>, 692 + identity: Identity, 693 + repo: Repo, 694 + domain: Option<String>, 695 + acme_contact: Option<String>, 696 + certs: Option<PathBuf>, 697 + host: String, 698 + port: u16, 699 + shutdown: CancellationToken, 700 + ) -> Result<(), ServerError> { 701 + let repo = Arc::new(repo); 702 + let api_service = OpenApiService::new( 703 + Xrpc { 704 + cache, 705 + identity, 706 + repo, 707 + }, 708 + "Slingshot", 709 + env!("CARGO_PKG_VERSION"), 710 + ) 711 + .server(if let Some(ref h) = domain { 712 + format!("https://{h}") 713 + } else { 714 + "http://localhost:3000".to_string() 715 + }) 716 + .url_prefix("/xrpc") 717 + .contact( 718 + ContactObject::new() 719 + .name("@microcosm.blue") 720 + .url("https://bsky.app/profile/microcosm.blue"), 721 + ) 722 + .description(include_str!("../api-description.md")) 723 + .external_document(ExternalDocumentObject::new( 724 + "https://microcosm.blue/slingshot", 725 + )); 726 + 727 + let mut app = Route::new() 728 + .at("/", StaticFileEndpoint::new("./static/index.html")) 729 + .nest("/openapi", api_service.spec_endpoint()) 730 + .nest("/xrpc/", api_service); 731 + 732 + if let Some(domain) = domain { 733 + rustls::crypto::aws_lc_rs::default_provider() 734 + .install_default() 735 + .expect("alskfjalksdjf"); 736 + 737 + app = app.at("/.well-known/did.json", get_did_doc(&domain)); 738 + 739 + let mut auto_cert = AutoCert::builder() 740 + .directory_url(LETS_ENCRYPT_PRODUCTION) 741 + .domain(&domain); 742 + if let Some(contact) = acme_contact { 743 + auto_cert = auto_cert.contact(contact); 744 + } 745 + if let Some(certs) = certs { 746 + auto_cert = auto_cert.cache_path(certs); 747 + } 748 + let auto_cert = auto_cert.build().map_err(ServerError::AcmeBuildError)?; 749 + 750 + run( 751 + TcpListener::bind("0.0.0.0:443").acme(auto_cert), 752 + app, 753 + shutdown, 754 + ) 755 + .await 756 + } else { 757 + run( 758 + TcpListener::bind(format!("{host}:{port}")), 759 + app, 760 + shutdown, 761 + ) 762 + .await 763 + } 764 + } 765 + 766 + async fn run<L>(listener: L, app: Route, shutdown: CancellationToken) -> Result<(), ServerError> 767 + where 768 + L: Listener + 'static, 769 + { 770 + let app = app 771 + .with( 772 + Cors::new() 773 + .allow_origin_regex("*") 774 + .allow_methods([Method::GET]) 775 + .allow_credentials(false), 776 + ) 777 + .with(CatchPanic::new()) 778 + .with(Tracing); 779 + Server::new(listener) 780 + .name("slingshot") 781 + .run_with_graceful_shutdown(app, shutdown.cancelled(), None) 782 + .await 783 + .map_err(ServerError::ServerExited) 784 + .inspect(|()| log::info!("server ended. goodbye.")) 785 + }

slingshot/static/favicon.ico

This is a binary file and will not be displayed.

+67

slingshot/static/index.html

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

··· 1 + <!doctype html> 2 + <html lang="en"> 3 + <head> 4 + <meta charset="utf-8" /> 5 + <title>Slingshot: atproto edge record cache</title> 6 + <meta name="viewport" content="width=device-width, initial-scale=1" /> 7 + <meta name="description" content="API Documentation for Slingshot, a firehose-listening atproto edge record and identity cache." /> 8 + <style> 9 + :root { 10 + --scalar-small: 13px; 11 + } 12 + .scalar-app .markdown .markdown-alert { 13 + font-size: var(--scalar-small); 14 + } 15 + .sidebar-heading-link-title { 16 + line-height: 1.2; 17 + } 18 + .custom-header { 19 + height: 42px; 20 + background-color: #221828; 21 + box-shadow: inset 0 -1px 0 var(--scalar-border-color); 22 + color: var(--scalar-color-1); 23 + font-size: var(--scalar-font-size-3); 24 + font-family: 'Iowan Old Style', 'Palatino Linotype', 'URW Palladio L', P052, serif; 25 + padding: 0 18px; 26 + justify-content: space-between; 27 + } 28 + .custom-header, 29 + .custom-header nav { 30 + display: flex; 31 + align-items: center; 32 + gap: 18px; 33 + } 34 + .custom-header a:hover { 35 + color: var(--scalar-color-2); 36 + } 37 + 38 + .light-mode .custom-header { 39 + background-color: thistle; 40 + } 41 + </style> 42 + </head> 43 + <body> 44 + <header class="custom-header scalar-app"> 45 + <p> 46 + TODO: thing 47 + </p> 48 + <nav> 49 + <b>a <a href="https://microcosm.blue">microcosm</a> project</b> 50 + <a href="https://bsky.app/profile/microcosm.blue">@microcosm.blue</a> 51 + <a href="https://github.com/at-microcosm">github</a> 52 + </nav> 53 + </header> 54 + 55 + <script id="api-reference" type="application/json" data-url="/openapi"></script> 56 + 57 + <script> 58 + var configuration = { 59 + theme: 'purple', 60 + hideModels: true, 61 + } 62 + document.getElementById('api-reference').dataset.configuration = JSON.stringify(configuration) 63 + </script> 64 + 65 + <script src="https://cdn.jsdelivr.net/npm/@scalar/api-reference"></script> 66 + </body> 67 + </html>

+5 -5

spacedust/src/subscriber.rs

··· 42 loop { 43 tokio::select! { 44 l = receiver.recv() => match l { 45 - Ok(link) => if self.filter(&link.properties) { 46 - if let Err(e) = ws_sender.send(link.message.clone()).await { 47 - log::warn!("failed to send link, dropping subscriber: {e:?}"); 48 - break; 49 - } 50 }, 51 Err(RecvError::Closed) => self.shutdown.cancel(), 52 Err(RecvError::Lagged(n)) => {

··· 42 loop { 43 tokio::select! { 44 l = receiver.recv() => match l { 45 + Ok(link) => if self.filter(&link.properties) 46 + && let Err(e) = ws_sender.send(link.message.clone()).await 47 + { 48 + log::warn!("failed to send link, dropping subscriber: {e:?}"); 49 + break; 50 }, 51 Err(RecvError::Closed) => self.shutdown.cancel(), 52 Err(RecvError::Lagged(n)) => {

+1 -1

ufos/Cargo.toml

··· 13 clap = { version = "4.5.31", features = ["derive"] } 14 dropshot = "0.16.0" 15 env_logger = "0.11.7" 16 - fjall = { version = "2.8.0", features = ["lz4"] } 17 getrandom = "0.3.3" 18 http = "1.3.1" 19 jetstream = { path = "../jetstream", features = ["metrics"] }

··· 13 clap = { version = "4.5.31", features = ["derive"] } 14 dropshot = "0.16.0" 15 env_logger = "0.11.7" 16 + fjall = { git = "https://github.com/fjall-rs/fjall.git", features = ["lz4"] } 17 getrandom = "0.3.3" 18 http = "1.3.1" 19 jetstream = { path = "../jetstream", features = ["metrics"] }

+42 -10

ufos/src/main.rs

··· 4 use metrics_exporter_prometheus::PrometheusBuilder; 5 use std::path::PathBuf; 6 use std::time::{Duration, SystemTime}; 0 7 use ufos::consumer; 8 use ufos::file_consumer; 9 use ufos::server; ··· 72 Ok(()) 73 } 74 75 - async fn go<B: StoreBackground>( 76 args: Args, 77 read_store: impl StoreReader + 'static + Clone, 78 mut write_store: impl StoreWriter<B> + 'static, 79 cursor: Option<Cursor>, 80 sketch_secret: SketchSecretPrefix, 81 ) -> anyhow::Result<()> { 0 0 0 82 println!("starting server with storage..."); 83 let serving = server::serve(read_store.clone()); 0 0 0 0 0 0 84 85 if args.pause_writer { 86 log::info!("not starting jetstream or the write loop."); 87 - serving.await.map_err(|e| anyhow::anyhow!(e))?; 0 0 0 0 88 return Ok(()); 89 } 90 ··· 102 let rolling = write_store 103 .background_tasks(args.reroll)? 104 .run(args.backfill); 105 - let consuming = write_store.receive_batches(batches); 0 0 0 0 0 106 107 - let stating = do_update_stuff(read_store); 0 0 0 0 0 0 0 0 0 0 0 0 108 109 install_metrics_server()?; 110 111 - tokio::select! { 112 - z = serving => log::warn!("serve task ended: {z:?}"), 113 - z = rolling => log::warn!("rollup task ended: {z:?}"), 114 - z = consuming => log::warn!("consuming task ended: {z:?}"), 115 - z = stating => log::warn!("status task ended: {z:?}"), 116 - }; 117 118 println!("bye!"); 119 ··· 162 interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Delay); 163 loop { 164 interval.tick().await; 0 165 match read_store.get_consumer_info().await { 166 Err(e) => log::warn!("failed to get jetstream consumer info: {e:?}"), 167 Ok(ConsumerInfo::Jetstream {

··· 4 use metrics_exporter_prometheus::PrometheusBuilder; 5 use std::path::PathBuf; 6 use std::time::{Duration, SystemTime}; 7 + use tokio::task::JoinSet; 8 use ufos::consumer; 9 use ufos::file_consumer; 10 use ufos::server; ··· 73 Ok(()) 74 } 75 76 + async fn go<B: StoreBackground + 'static>( 77 args: Args, 78 read_store: impl StoreReader + 'static + Clone, 79 mut write_store: impl StoreWriter<B> + 'static, 80 cursor: Option<Cursor>, 81 sketch_secret: SketchSecretPrefix, 82 ) -> anyhow::Result<()> { 83 + let mut whatever_tasks: JoinSet<anyhow::Result<()>> = JoinSet::new(); 84 + let mut consumer_tasks: JoinSet<anyhow::Result<()>> = JoinSet::new(); 85 + 86 println!("starting server with storage..."); 87 let serving = server::serve(read_store.clone()); 88 + whatever_tasks.spawn(async move { 89 + serving.await.map_err(|e| { 90 + log::warn!("server ended: {e}"); 91 + anyhow::anyhow!(e) 92 + }) 93 + }); 94 95 if args.pause_writer { 96 log::info!("not starting jetstream or the write loop."); 97 + for t in whatever_tasks.join_all().await { 98 + if let Err(e) = t { 99 + return Err(anyhow::anyhow!(e)); 100 + } 101 + } 102 return Ok(()); 103 } 104 ··· 116 let rolling = write_store 117 .background_tasks(args.reroll)? 118 .run(args.backfill); 119 + whatever_tasks.spawn(async move { 120 + rolling 121 + .await 122 + .inspect_err(|e| log::warn!("rollup ended: {e}"))?; 123 + Ok(()) 124 + }); 125 126 + consumer_tasks.spawn(async move { 127 + write_store 128 + .receive_batches(batches) 129 + .await 130 + .inspect_err(|e| log::warn!("consumer ended: {e}"))?; 131 + Ok(()) 132 + }); 133 + 134 + whatever_tasks.spawn(async move { 135 + do_update_stuff(read_store).await; 136 + log::warn!("status task ended"); 137 + Ok(()) 138 + }); 139 140 install_metrics_server()?; 141 142 + for (i, t) in consumer_tasks.join_all().await.iter().enumerate() { 143 + log::warn!("task {i} done: {t:?}"); 144 + } 145 + 146 + println!("consumer tasks all completed, killing the others"); 147 + whatever_tasks.shutdown().await; 148 149 println!("bye!"); 150 ··· 193 interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Delay); 194 loop { 195 interval.tick().await; 196 + read_store.update_metrics(); 197 match read_store.get_consumer_info().await { 198 Err(e) => log::warn!("failed to get jetstream consumer info: {e:?}"), 199 Ok(ConsumerInfo::Jetstream {

+11 -1

ufos/src/storage.rs

··· 41 Unit::Microseconds, 42 "batches that took more than 3s to insert" 43 ); 0 0 0 0 0 44 while let Some(event_batch) = batches.recv().await { 45 let token = CancellationToken::new(); 46 let cancelled = token.clone(); ··· 69 let mut me = self.clone(); 70 move || { 71 let _guard = token.drop_guard(); 72 - me.insert_batch(event_batch) 0 0 0 73 } 74 }) 75 .await??; ··· 103 #[async_trait] 104 pub trait StoreReader: Send + Sync { 105 fn name(&self) -> String; 0 0 106 107 async fn get_storage_stats(&self) -> StorageResult<serde_json::Value>; 108

··· 41 Unit::Microseconds, 42 "batches that took more than 3s to insert" 43 ); 44 + describe_histogram!( 45 + "storage_batch_insert_time", 46 + Unit::Microseconds, 47 + "total time to insert one commit batch" 48 + ); 49 while let Some(event_batch) = batches.recv().await { 50 let token = CancellationToken::new(); 51 let cancelled = token.clone(); ··· 74 let mut me = self.clone(); 75 move || { 76 let _guard = token.drop_guard(); 77 + let t0 = Instant::now(); 78 + let r = me.insert_batch(event_batch); 79 + histogram!("storage_batch_insert_time").record(t0.elapsed().as_micros() as f64); 80 + r 81 } 82 }) 83 .await??; ··· 111 #[async_trait] 112 pub trait StoreReader: Send + Sync { 113 fn name(&self) -> String; 114 + 115 + fn update_metrics(&self) {} 116 117 async fn get_storage_stats(&self) -> StorageResult<serde_json::Value>; 118

+104 -20

ufos/src/storage_fjall.rs

··· 23 Batch as FjallBatch, Config, Keyspace, PartitionCreateOptions, PartitionHandle, Snapshot, 24 }; 25 use jetstream::events::Cursor; 26 - use metrics::{counter, describe_counter, describe_histogram, histogram, Unit}; 0 0 0 27 use std::collections::{HashMap, HashSet}; 28 use std::iter::Peekable; 29 use std::ops::Bound; ··· 227 feeds: feeds.clone(), 228 records: records.clone(), 229 rollups: rollups.clone(), 0 230 }; 0 231 let writer = FjallWriter { 232 bg_taken: Arc::new(AtomicBool::new(false)), 233 keyspace, ··· 237 rollups, 238 queues, 239 }; 0 240 Ok((reader, writer, js_cursor, sketch_secret)) 241 } 242 } ··· 250 feeds: PartitionHandle, 251 records: PartitionHandle, 252 rollups: PartitionHandle, 0 253 } 254 255 /// An iterator that knows how to skip over deleted/invalidated records ··· 381 type CollectionSerieses = HashMap<Nsid, Vec<CountsValue>>; 382 383 impl FjallReader { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 384 fn get_storage_stats(&self) -> StorageResult<serde_json::Value> { 385 let rollup_cursor = 386 get_static_neu::<NewRollupCursorKey, NewRollupCursorValue>(&self.global)? ··· 1000 fn name(&self) -> String { 1001 "fjall storage v2".into() 1002 } 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1003 async fn get_storage_stats(&self) -> StorageResult<serde_json::Value> { 1004 let s = self.clone(); 1005 tokio::task::spawn_blocking(move || FjallReader::get_storage_stats(&s)).await? ··· 1091 } 1092 1093 impl FjallWriter { 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1094 fn rollup_delete_account( 1095 &mut self, 1096 cursor: Cursor, ··· 1222 AllTimeRecordsKey::new(new_creates_count.into(), &nsid).to_db_bytes()?, 1223 ), 1224 }; 1225 - batch.remove(&self.rollups, &old_k); // TODO: when fjall gets weak delete, this will hopefully work way better 0 1226 batch.insert(&self.rollups, &new_k, ""); 1227 } 1228 ··· 1246 AllTimeDidsKey::new(new_dids_estimate.into(), &nsid).to_db_bytes()?, 1247 ), 1248 }; 1249 - batch.remove(&self.rollups, &old_k); // TODO: when fjall gets weak delete, this will hopefully work way better 0 1250 batch.insert(&self.rollups, &new_k, ""); 1251 } 1252 ··· 1256 1257 insert_batch_static_neu::<NewRollupCursorKey>(&mut batch, &self.global, last_cursor)?; 1258 0 1259 batch.commit()?; 1260 Ok((cursors_advanced, dirty_nsids)) 1261 } ··· 1266 if self.bg_taken.swap(true, Ordering::SeqCst) { 1267 return Err(StorageError::BackgroundAlreadyStarted); 1268 } 1269 - describe_histogram!( 1270 - "storage_trim_dirty_nsids", 1271 - Unit::Count, 1272 - "number of NSIDs trimmed" 1273 - ); 1274 - describe_histogram!( 1275 - "storage_trim_duration", 1276 - Unit::Microseconds, 1277 - "how long it took to trim the dirty NSIDs" 1278 - ); 1279 - describe_counter!( 1280 - "storage_trim_removed", 1281 - Unit::Count, 1282 - "how many records were removed during trim" 1283 - ); 1284 if reroll { 1285 log::info!("reroll: resetting rollup cursor..."); 1286 insert_static_neu::<NewRollupCursorKey>(&self.global, Cursor::from_start())?; ··· 1375 latest.to_db_bytes()?, 1376 ); 1377 0 1378 batch.commit()?; 1379 Ok(()) 1380 } ··· 1529 candidate_new_feed_lower_cursor = Some(feed_key.cursor()); 1530 } 1531 1532 - self.feeds.remove(&location_key_bytes)?; 1533 self.feeds.remove(key_bytes)?; 1534 records_deleted += 1; 1535 } ··· 1556 batch.remove(&self.records, key_bytes); 1557 records_deleted += 1; 1558 if batch.len() >= MAX_BATCHED_ACCOUNT_DELETE_RECORDS { 0 1559 batch.commit()?; 1560 batch = self.keyspace.batch(); 1561 } 1562 } 0 0 1563 batch.commit()?; 1564 Ok(records_deleted) 1565 } ··· 1619 histogram!("storage_trim_dirty_nsids").record(completed.len() as f64); 1620 histogram!("storage_trim_duration").record(dt.as_micros() as f64); 1621 counter!("storage_trim_removed", "dangling" => "true").increment(total_danglers as u64); 1622 - counter!("storage_trim_removed", "dangling" => "false").increment((total_deleted - total_danglers) as u64); 0 0 0 0 0 1623 for c in completed { 1624 dirty_nsids.remove(&c); 1625 }

··· 23 Batch as FjallBatch, Config, Keyspace, PartitionCreateOptions, PartitionHandle, Snapshot, 24 }; 25 use jetstream::events::Cursor; 26 + use lsm_tree::AbstractTree; 27 + use metrics::{ 28 + counter, describe_counter, describe_gauge, describe_histogram, gauge, histogram, Unit, 29 + }; 30 use std::collections::{HashMap, HashSet}; 31 use std::iter::Peekable; 32 use std::ops::Bound; ··· 230 feeds: feeds.clone(), 231 records: records.clone(), 232 rollups: rollups.clone(), 233 + queues: queues.clone(), 234 }; 235 + reader.describe_metrics(); 236 let writer = FjallWriter { 237 bg_taken: Arc::new(AtomicBool::new(false)), 238 keyspace, ··· 242 rollups, 243 queues, 244 }; 245 + writer.describe_metrics(); 246 Ok((reader, writer, js_cursor, sketch_secret)) 247 } 248 } ··· 256 feeds: PartitionHandle, 257 records: PartitionHandle, 258 rollups: PartitionHandle, 259 + queues: PartitionHandle, 260 } 261 262 /// An iterator that knows how to skip over deleted/invalidated records ··· 388 type CollectionSerieses = HashMap<Nsid, Vec<CountsValue>>; 389 390 impl FjallReader { 391 + fn describe_metrics(&self) { 392 + describe_gauge!( 393 + "storage_fjall_l0_run_count", 394 + Unit::Count, 395 + "number of L0 runs in a partition" 396 + ); 397 + describe_gauge!( 398 + "storage_fjall_keyspace_disk_space", 399 + Unit::Bytes, 400 + "total storage used according to fjall" 401 + ); 402 + describe_gauge!( 403 + "storage_fjall_journal_count", 404 + Unit::Count, 405 + "total keyspace journals according to fjall" 406 + ); 407 + describe_gauge!( 408 + "storage_fjall_keyspace_sequence", 409 + Unit::Count, 410 + "fjall keyspace sequence" 411 + ); 412 + } 413 + 414 fn get_storage_stats(&self) -> StorageResult<serde_json::Value> { 415 let rollup_cursor = 416 get_static_neu::<NewRollupCursorKey, NewRollupCursorValue>(&self.global)? ··· 1030 fn name(&self) -> String { 1031 "fjall storage v2".into() 1032 } 1033 + fn update_metrics(&self) { 1034 + gauge!("storage_fjall_l0_run_count", "partition" => "global") 1035 + .set(self.global.tree.l0_run_count() as f64); 1036 + gauge!("storage_fjall_l0_run_count", "partition" => "feeds") 1037 + .set(self.feeds.tree.l0_run_count() as f64); 1038 + gauge!("storage_fjall_l0_run_count", "partition" => "records") 1039 + .set(self.records.tree.l0_run_count() as f64); 1040 + gauge!("storage_fjall_l0_run_count", "partition" => "rollups") 1041 + .set(self.rollups.tree.l0_run_count() as f64); 1042 + gauge!("storage_fjall_l0_run_count", "partition" => "queues") 1043 + .set(self.queues.tree.l0_run_count() as f64); 1044 + gauge!("storage_fjall_keyspace_disk_space").set(self.keyspace.disk_space() as f64); 1045 + gauge!("storage_fjall_journal_count").set(self.keyspace.journal_count() as f64); 1046 + gauge!("storage_fjall_keyspace_sequence").set(self.keyspace.instant() as f64); 1047 + } 1048 async fn get_storage_stats(&self) -> StorageResult<serde_json::Value> { 1049 let s = self.clone(); 1050 tokio::task::spawn_blocking(move || FjallReader::get_storage_stats(&s)).await? ··· 1136 } 1137 1138 impl FjallWriter { 1139 + fn describe_metrics(&self) { 1140 + describe_histogram!( 1141 + "storage_insert_batch_db_batch_items", 1142 + Unit::Count, 1143 + "how many items are in the fjall batch for batched inserts" 1144 + ); 1145 + describe_histogram!( 1146 + "storage_rollup_counts_db_batch_items", 1147 + Unit::Count, 1148 + "how many items are in the fjall batch for a timlies rollup" 1149 + ); 1150 + describe_counter!( 1151 + "storage_delete_account_partial_commits", 1152 + Unit::Count, 1153 + "fjall checkpoint commits for cleaning up accounts with too many records" 1154 + ); 1155 + describe_counter!( 1156 + "storage_delete_account_completions", 1157 + Unit::Count, 1158 + "total count of account deletes handled" 1159 + ); 1160 + describe_counter!( 1161 + "storage_delete_account_records_deleted", 1162 + Unit::Count, 1163 + "total records deleted when handling account deletes" 1164 + ); 1165 + describe_histogram!( 1166 + "storage_trim_dirty_nsids", 1167 + Unit::Count, 1168 + "number of NSIDs trimmed" 1169 + ); 1170 + describe_histogram!( 1171 + "storage_trim_duration", 1172 + Unit::Microseconds, 1173 + "how long it took to trim the dirty NSIDs" 1174 + ); 1175 + describe_counter!( 1176 + "storage_trim_removed", 1177 + Unit::Count, 1178 + "how many records were removed during trim" 1179 + ); 1180 + } 1181 fn rollup_delete_account( 1182 &mut self, 1183 cursor: Cursor, ··· 1309 AllTimeRecordsKey::new(new_creates_count.into(), &nsid).to_db_bytes()?, 1310 ), 1311 }; 1312 + // remove_weak is allowed here because the secondary ranking index only ever inserts once at a key 1313 + batch.remove_weak(&self.rollups, &old_k); 1314 batch.insert(&self.rollups, &new_k, ""); 1315 } 1316 ··· 1334 AllTimeDidsKey::new(new_dids_estimate.into(), &nsid).to_db_bytes()?, 1335 ), 1336 }; 1337 + // remove_weak is allowed here because the secondary ranking index only ever inserts once at a key 1338 + batch.remove_weak(&self.rollups, &old_k); 1339 batch.insert(&self.rollups, &new_k, ""); 1340 } 1341 ··· 1345 1346 insert_batch_static_neu::<NewRollupCursorKey>(&mut batch, &self.global, last_cursor)?; 1347 1348 + histogram!("storage_rollup_counts_db_batch_items").record(batch.len() as f64); 1349 batch.commit()?; 1350 Ok((cursors_advanced, dirty_nsids)) 1351 } ··· 1356 if self.bg_taken.swap(true, Ordering::SeqCst) { 1357 return Err(StorageError::BackgroundAlreadyStarted); 1358 } 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1359 if reroll { 1360 log::info!("reroll: resetting rollup cursor..."); 1361 insert_static_neu::<NewRollupCursorKey>(&self.global, Cursor::from_start())?; ··· 1450 latest.to_db_bytes()?, 1451 ); 1452 1453 + histogram!("storage_insert_batch_db_batch_items").record(batch.len() as f64); 1454 batch.commit()?; 1455 Ok(()) 1456 } ··· 1605 candidate_new_feed_lower_cursor = Some(feed_key.cursor()); 1606 } 1607 1608 + self.records.remove(&location_key_bytes)?; 1609 self.feeds.remove(key_bytes)?; 1610 records_deleted += 1; 1611 } ··· 1632 batch.remove(&self.records, key_bytes); 1633 records_deleted += 1; 1634 if batch.len() >= MAX_BATCHED_ACCOUNT_DELETE_RECORDS { 1635 + counter!("storage_delete_account_partial_commits").increment(1); 1636 batch.commit()?; 1637 batch = self.keyspace.batch(); 1638 } 1639 } 1640 + counter!("storage_delete_account_completions").increment(1); 1641 + counter!("storage_delete_account_records_deleted").increment(records_deleted as u64); 1642 batch.commit()?; 1643 Ok(records_deleted) 1644 } ··· 1698 histogram!("storage_trim_dirty_nsids").record(completed.len() as f64); 1699 histogram!("storage_trim_duration").record(dt.as_micros() as f64); 1700 counter!("storage_trim_removed", "dangling" => "true").increment(total_danglers as u64); 1701 + if total_deleted >= total_danglers { 1702 + counter!("storage_trim_removed", "dangling" => "false").increment((total_deleted - total_danglers) as u64); 1703 + } else { 1704 + // TODO: probably think through what's happening here 1705 + log::warn!("weird trim case: more danglers than deleted? metric will be missing for dangling=false. deleted={total_deleted} danglers={total_danglers}"); 1706 + } 1707 for c in completed { 1708 dirty_nsids.remove(&c); 1709 }

-196

ufos ops (move to micro-ops).md

··· 1 - ufos ops 2 - 3 - btrfs snapshots: snapper 4 - 5 - ```bash 6 - sudo apt install snapper 7 - sudo snapper -c ufos-db create-config /mnt/ufos-db 8 - 9 - # edit /etc/snapper/configs/ufos-db 10 - # change 11 - TIMELINE_MIN_AGE="1800" 12 - TIMELINE_LIMIT_HOURLY="10" 13 - TIMELINE_LIMIT_DAILY="10" 14 - TIMELINE_LIMIT_WEEKLY="0" 15 - TIMELINE_LIMIT_MONTHLY="10" 16 - TIMELINE_LIMIT_YEARLY="10" 17 - # to 18 - TIMELINE_MIN_AGE="1800" 19 - TIMELINE_LIMIT_HOURLY="22" 20 - TIMELINE_LIMIT_DAILY="4" 21 - TIMELINE_LIMIT_WEEKLY="0" 22 - TIMELINE_LIMIT_MONTHLY="0" 23 - TIMELINE_LIMIT_YEARLY="0" 24 - ``` 25 - 26 - this should be enough? 27 - 28 - list snapshots: 29 - 30 - ```bash 31 - sudo snapper -c ufos-db list 32 - ``` 33 - 34 - systemd 35 - 36 - create file: `/etc/systemd/system/ufos.service` 37 - 38 - ```ini 39 - [Unit] 40 - Description=UFOs-API 41 - After=network.target 42 - 43 - [Service] 44 - User=pi 45 - WorkingDirectory=/home/pi/ 46 - ExecStart=/home/pi/ufos --jetstream us-west-2 --data /mnt/ufos-db/ 47 - Environment="RUST_LOG=info" 48 - LimitNOFILE=16384 49 - Restart=always 50 - 51 - [Install] 52 - WantedBy=multi-user.target 53 - ``` 54 - 55 - then 56 - 57 - ```bash 58 - sudo systemctl daemon-reload 59 - sudo systemctl enable ufos 60 - sudo systemctl start ufos 61 - ``` 62 - 63 - monitor with 64 - 65 - ```bash 66 - journalctl -u ufos -f 67 - ``` 68 - 69 - make sure a backup dir exists 70 - 71 - ```bash 72 - mkdir /home/pi/backup 73 - ``` 74 - 75 - mount the NAS 76 - 77 - ```bash 78 - sudo mount.cifs "//truenas.local/folks data" /home/pi/backup -o user=phil,uid=pi 79 - ``` 80 - 81 - manual rsync 82 - 83 - ```bash 84 - sudo rsync -ahP --delete /mnt/ufos-db/.snapshots/1/snapshot/ backup/ufos/ 85 - ``` 86 - 87 - backup script sketch 88 - 89 - ```bash 90 - NUM=$(sudo snapper --csvout -c ufos-db list --type single --columns number | tail -n1) 91 - sudo rsync -ahP --delete "/mnt/ufos-db/.snapshots/${NUM}/snapshot/" backup/ufos/ 92 - ``` 93 - 94 - just crontab it? 95 - 96 - `sudo crontab -e` 97 - ```bash 98 - 0 1/6 * * * rsync -ahP --delete "/mnt/ufos-db/.snapshots/$(sudo snapper --csvout -c ufos-db list --columns number | tail -n1)/snapshot/" backup/ufos/ 99 - ``` 100 - 101 - ^^ try once initial backup is done 102 - 103 - 104 - --columns subvolume,number 105 - 106 - subvolume 107 - number 108 - 109 - 110 - 111 - 112 - gateway: follow constellation for nginx->prom thing 113 - 114 - config at `/etc/prometheus-nginxlog-exporter.hcl` 115 - 116 - before: `/etc/prometheus-nginxlog-exporter.hcl` 117 - 118 - ```hcl 119 - listen { 120 - port = 4044 121 - } 122 - 123 - namespace "nginx" { 124 - source = { 125 - files = [ 126 - "/var/log/nginx/constellation-access.log" 127 - ] 128 - } 129 - 130 - format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 131 - 132 - labels { 133 - app = "constellation" 134 - } 135 - 136 - relabel "cache_status" { 137 - from = "upstream_cache_status" 138 - } 139 - } 140 - ``` 141 - 142 - after: 143 - 144 - ```hcl 145 - listen { 146 - port = 4044 147 - } 148 - 149 - namespace "constellation" { 150 - source = { 151 - files = [ 152 - "/var/log/nginx/constellation-access.log" 153 - ] 154 - } 155 - 156 - format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 157 - 158 - labels { 159 - app = "constellation" 160 - } 161 - 162 - relabel "cache_status" { 163 - from = "upstream_cache_status" 164 - } 165 - 166 - namespace_label = "vhost" 167 - metrics_override = { prefix = "nginx" } 168 - } 169 - 170 - namespace "ufos" { 171 - source = { 172 - files = [ 173 - "/var/log/nginx/ufos-access.log" 174 - ] 175 - } 176 - 177 - format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 178 - 179 - labels { 180 - app = "ufos" 181 - } 182 - 183 - relabel "cache_status" { 184 - from = "upstream_cache_status" 185 - } 186 - 187 - namespace_label = "vhost" 188 - metrics_override = { prefix = "nginx" } 189 - } 190 - ``` 191 - 192 - 193 - ```bash 194 - systemctl start prometheus-nginxlog-exporter.service 195 - ``` 196 -

··· 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

+1 -1

who-am-i/src/oauth.rs

··· 139 token_endpoint_auth_method: AuthMethod::PrivateKeyJwt, 140 grant_types: vec![GrantType::AuthorizationCode, GrantType::RefreshToken], 141 scopes: READONLY_SCOPE.to_vec(), 142 - jwks_uri: Some(format!("{base}/.well-known/at-jwks.json")), 143 token_endpoint_auth_signing_alg: Some(String::from("ES256")), 144 }, 145 keys: Some(vec![key]),

··· 139 token_endpoint_auth_method: AuthMethod::PrivateKeyJwt, 140 grant_types: vec![GrantType::AuthorizationCode, GrantType::RefreshToken], 141 scopes: READONLY_SCOPE.to_vec(), 142 + jwks_uri: Some(format!("{base}/.well-known/jwks.json")), 143 token_endpoint_auth_signing_alg: Some(String::from("ES256")), 144 }, 145 keys: Some(vec![key]),

+92 -19

who-am-i/src/server.rs

··· 5 extract::{FromRef, Json as ExtractJson, Query, State}, 6 http::{ 7 StatusCode, 8 - header::{CONTENT_SECURITY_POLICY, CONTENT_TYPE, HeaderMap, REFERER}, 9 }, 10 response::{IntoResponse, Json, Redirect, Response}, 11 routing::{get, post}, 12 }; 13 - use axum_extra::extract::cookie::{Cookie, Key, SameSite, SignedCookieJar}; 14 use axum_template::{RenderHtml, engine::Engine}; 15 use handlebars::{Handlebars, handlebars_helper}; 16 use jose_jwk::JwkSet; ··· 20 use serde_json::{Value, json}; 21 use std::collections::HashSet; 22 use std::sync::Arc; 23 - use std::time::Duration; 24 use tokio::net::TcpListener; 25 use tokio_util::sync::CancellationToken; 26 use url::Url; ··· 32 const FAVICON: &[u8] = include_bytes!("../static/favicon.ico"); 33 const STYLE_CSS: &str = include_str!("../static/style.css"); 34 0 35 const DID_COOKIE_KEY: &str = "did"; 36 37 const COOKIE_EXPIRATION: Duration = Duration::from_secs(30 * 86_400); ··· 113 .unwrap(); 114 } 115 0 0 0 0 0 116 async fn hello( 117 State(AppState { 118 engine, ··· 121 oauth, 122 .. 123 }): State<AppState>, 0 124 mut jar: SignedCookieJar, 125 ) -> Response { 0 0 0 0 0 126 let info = if let Some(did) = jar.get(DID_COOKIE_KEY) { 127 if let Ok(did) = Did::new(did.value_trimmed().to_string()) { 128 // push cookie expiry ··· 138 json!({ 139 "did": did, 140 "fetch_key": fetch_key, 0 0 0 141 }) 142 } else { 143 jar = jar.remove(DID_COOKIE_KEY); 144 - json!({}) 0 0 0 0 145 } 146 } else { 147 - json!({}) 0 0 0 0 148 }; 149 let frame_headers = [(CONTENT_SECURITY_POLICY, "frame-ancestors 'none'")]; 150 (frame_headers, jar, RenderHtml("hello", engine, info)).into_response() ··· 162 ([(CONTENT_TYPE, "image/x-icon")], FAVICON) 163 } 164 0 0 0 0 0 0 0 0 0 0 0 0 0 165 fn cookie(did: &Did) -> Cookie<'static> { 166 Cookie::build((DID_COOKIE_KEY, did.to_string())) 167 .http_only(true) 168 .secure(true) 169 .same_site(SameSite::None) 0 0 0 170 .max_age(COOKIE_EXPIRATION.try_into().unwrap()) 0 171 .into() 172 } 173 0 0 0 0 0 174 async fn prompt( 175 State(AppState { 176 allowed_hosts, ··· 181 tokens, 182 .. 183 }): State<AppState>, 0 184 jar: SignedCookieJar, 185 headers: HeaderMap, 186 ) -> impl IntoResponse { 187 - let err = |reason, check_frame| { 188 metrics::counter!("whoami_auth_prompt", "ok" => "false", "reason" => reason).increment(1); 189 - let info = json!({ "reason": reason, "check_frame": check_frame }); 0 0 0 0 190 let html = RenderHtml("prompt-error", engine.clone(), info); 191 (StatusCode::BAD_REQUEST, html).into_response() 192 }; 193 194 - let Some(referrer) = headers.get(REFERER) else { 195 - return err("Missing referer", true); 0 0 0 0 196 }; 197 - let Ok(referrer) = referrer.to_str() else { 198 - return err("Unreadable referer", true); 199 }; 200 - let Ok(url) = Url::parse(referrer) else { 201 - return err("Bad referer", true); 0 0 0 0 202 }; 203 let Some(parent_host) = url.host_str() else { 204 - return err("Referer missing host", true); 205 }; 206 if !allowed_hosts.contains(parent_host) { 207 - return err("Login is not allowed on this page", false); 0 0 0 0 0 0 0 0 0 208 } 209 let parent_origin = url.origin().ascii_serialization(); 210 if parent_origin == "null" { 211 - return err("Referer origin is opaque", true); 212 } 213 214 - let csp = format!("frame-ancestors {parent_origin}"); 0 0 0 0 0 215 let frame_headers = [(CONTENT_SECURITY_POLICY, &csp)]; 216 217 if let Some(did) = jar.get(DID_COOKIE_KEY) { 218 let Ok(did) = Did::new(did.value_trimmed().to_string()) else { 219 - return err("Bad cookie", false); 220 }; 221 222 // push cookie expiry ··· 226 Ok(t) => t, 227 Err(e) => { 228 eprintln!("failed to create JWT: {e:?}"); 229 - return err("failed to create JWT", false); 230 } 231 }; 232 ··· 246 "fetch_key": fetch_key, 247 "parent_host": parent_host, 248 "parent_origin": parent_origin, 0 249 }); 250 (frame_headers, jar, RenderHtml("prompt", engine, info)).into_response() 251 } else {

··· 5 extract::{FromRef, Json as ExtractJson, Query, State}, 6 http::{ 7 StatusCode, 8 + header::{CONTENT_SECURITY_POLICY, CONTENT_TYPE, HeaderMap, ORIGIN, REFERER}, 9 }, 10 response::{IntoResponse, Json, Redirect, Response}, 11 routing::{get, post}, 12 }; 13 + use axum_extra::extract::cookie::{Cookie, Expiration, Key, SameSite, SignedCookieJar}; 14 use axum_template::{RenderHtml, engine::Engine}; 15 use handlebars::{Handlebars, handlebars_helper}; 16 use jose_jwk::JwkSet; ··· 20 use serde_json::{Value, json}; 21 use std::collections::HashSet; 22 use std::sync::Arc; 23 + use std::time::{Duration, SystemTime}; 24 use tokio::net::TcpListener; 25 use tokio_util::sync::CancellationToken; 26 use url::Url; ··· 32 const FAVICON: &[u8] = include_bytes!("../static/favicon.ico"); 33 const STYLE_CSS: &str = include_str!("../static/style.css"); 34 35 + const HELLO_COOKIE_KEY: &str = "hello-who-am-i"; 36 const DID_COOKIE_KEY: &str = "did"; 37 38 const COOKIE_EXPIRATION: Duration = Duration::from_secs(30 * 86_400); ··· 114 .unwrap(); 115 } 116 117 + #[derive(Debug, Deserialize)] 118 + struct HelloQuery { 119 + auth_reload: Option<String>, 120 + auth_failed: Option<String>, 121 + } 122 async fn hello( 123 State(AppState { 124 engine, ··· 127 oauth, 128 .. 129 }): State<AppState>, 130 + Query(params): Query<HelloQuery>, 131 mut jar: SignedCookieJar, 132 ) -> Response { 133 + let is_auth_reload = params.auth_reload.is_some(); 134 + let auth_failed = params.auth_failed.is_some(); 135 + let no_cookie = jar.get(HELLO_COOKIE_KEY).is_none(); 136 + jar = jar.add(hello_cookie()); 137 + 138 let info = if let Some(did) = jar.get(DID_COOKIE_KEY) { 139 if let Ok(did) = Did::new(did.value_trimmed().to_string()) { 140 // push cookie expiry ··· 150 json!({ 151 "did": did, 152 "fetch_key": fetch_key, 153 + "is_auth_reload": is_auth_reload, 154 + "auth_failed": auth_failed, 155 + "no_cookie": no_cookie, 156 }) 157 } else { 158 jar = jar.remove(DID_COOKIE_KEY); 159 + json!({ 160 + "is_auth_reload": is_auth_reload, 161 + "auth_failed": auth_failed, 162 + "no_cookie": no_cookie, 163 + }) 164 } 165 } else { 166 + json!({ 167 + "is_auth_reload": is_auth_reload, 168 + "auth_failed": auth_failed, 169 + "no_cookie": no_cookie, 170 + }) 171 }; 172 let frame_headers = [(CONTENT_SECURITY_POLICY, "frame-ancestors 'none'")]; 173 (frame_headers, jar, RenderHtml("hello", engine, info)).into_response() ··· 185 ([(CONTENT_TYPE, "image/x-icon")], FAVICON) 186 } 187 188 + fn hello_cookie() -> Cookie<'static> { 189 + Cookie::build((HELLO_COOKIE_KEY, "hiiii")) 190 + .http_only(true) 191 + .secure(true) 192 + .same_site(SameSite::None) 193 + .expires(Expiration::DateTime( 194 + (SystemTime::now() + COOKIE_EXPIRATION).into(), 195 + )) // wtf safari needs this to not be a session cookie?? 196 + .max_age(COOKIE_EXPIRATION.try_into().unwrap()) 197 + .path("/") 198 + .into() 199 + } 200 + 201 fn cookie(did: &Did) -> Cookie<'static> { 202 Cookie::build((DID_COOKIE_KEY, did.to_string())) 203 .http_only(true) 204 .secure(true) 205 .same_site(SameSite::None) 206 + .expires(Expiration::DateTime( 207 + (SystemTime::now() + COOKIE_EXPIRATION).into(), 208 + )) // wtf safari needs this to not be a session cookie?? 209 .max_age(COOKIE_EXPIRATION.try_into().unwrap()) 210 + .path("/") 211 .into() 212 } 213 214 + #[derive(Debug, Deserialize)] 215 + struct PromptQuery { 216 + // this must *ONLY* be used for the postmessage target origin 217 + app: Option<String>, 218 + } 219 async fn prompt( 220 State(AppState { 221 allowed_hosts, ··· 226 tokens, 227 .. 228 }): State<AppState>, 229 + Query(params): Query<PromptQuery>, 230 jar: SignedCookieJar, 231 headers: HeaderMap, 232 ) -> impl IntoResponse { 233 + let err = |reason, check_frame, detail| { 234 metrics::counter!("whoami_auth_prompt", "ok" => "false", "reason" => reason).increment(1); 235 + let info = json!({ 236 + "reason": reason, 237 + "check_frame": check_frame, 238 + "detail": detail, 239 + }); 240 let html = RenderHtml("prompt-error", engine.clone(), info); 241 (StatusCode::BAD_REQUEST, html).into_response() 242 }; 243 244 + let Some(parent) = headers.get(ORIGIN).or_else(|| { 245 + eprintln!("referrer fallback"); 246 + // TODO: referer should only be used for localhost?? 247 + headers.get(REFERER) 248 + }) else { 249 + return err("Missing origin and no referrer for fallback", true, None); 250 }; 251 + let Ok(parent) = parent.to_str() else { 252 + return err("Unreadable origin or referrer", true, None); 253 }; 254 + eprintln!( 255 + "rolling with parent: {parent:?} (from origin? {})", 256 + headers.get(ORIGIN).is_some() 257 + ); 258 + let Ok(url) = Url::parse(parent) else { 259 + return err("Bad origin or referrer", true, None); 260 }; 261 let Some(parent_host) = url.host_str() else { 262 + return err("Origin or referrer missing host", true, None); 263 }; 264 if !allowed_hosts.contains(parent_host) { 265 + return err( 266 + "Login is not allowed on this page", 267 + false, 268 + Some(parent_host), 269 + ); 270 + } 271 + if let Some(ref app) = params.app 272 + && !allowed_hosts.contains(app) 273 + { 274 + return err("Login is not allowed for this app", false, Some(app)); 275 } 276 let parent_origin = url.origin().ascii_serialization(); 277 if parent_origin == "null" { 278 + return err("Origin or referrer header value is opaque", true, None); 279 } 280 281 + let all_allowed = allowed_hosts 282 + .iter() 283 + .map(|h| format!("https://{h}")) 284 + .collect::<Vec<_>>() 285 + .join(" "); 286 + let csp = format!("frame-ancestors 'self' {parent_origin} {all_allowed}"); 287 let frame_headers = [(CONTENT_SECURITY_POLICY, &csp)]; 288 289 if let Some(did) = jar.get(DID_COOKIE_KEY) { 290 let Ok(did) = Did::new(did.value_trimmed().to_string()) else { 291 + return err("Bad cookie", false, None); 292 }; 293 294 // push cookie expiry ··· 298 Ok(t) => t, 299 Err(e) => { 300 eprintln!("failed to create JWT: {e:?}"); 301 + return err("failed to create JWT", false, None); 302 } 303 }; 304 ··· 318 "fetch_key": fetch_key, 319 "parent_host": parent_host, 320 "parent_origin": parent_origin, 321 + "parent_target": params.app.map(|h| format!("https://{h}")), 322 }); 323 (frame_headers, jar, RenderHtml("prompt", engine, info)).into_response() 324 } else {

+12 -1

who-am-i/static/style.css

··· 12 overflow: hidden; 13 display: flex; 14 flex-direction: column; 15 - height: 100vh; 16 } 17 .wrap.unframed { 18 border-radius: 0; ··· 165 color: #285; 166 } 167 0 0 0 0 0 0 0 168 #or { 169 font-size: 0.8rem; 170 text-align: center; ··· 182 .hidden { 183 display: none !important; 184 } 0 0 0 0

··· 12 overflow: hidden; 13 display: flex; 14 flex-direction: column; 15 + min-height: 100vh; 16 } 17 .wrap.unframed { 18 border-radius: 0; ··· 165 color: #285; 166 } 167 168 + #need-storage { 169 + font-size: 0.8rem; 170 + } 171 + .problem { 172 + color: #a31; 173 + } 174 + 175 #or { 176 font-size: 0.8rem; 177 text-align: center; ··· 189 .hidden { 190 display: none !important; 191 } 192 + 193 + .hello-connect-plz { 194 + margin: 1.667rem 0 0.667rem; 195 + }

+5 -1

who-am-i/templates/authorized.hbs

··· 1 <!doctype html> 0 0 2 3 - <p>oh sick. hey {{ did }}. you can close this window now.</p> 0 4 5 <script> 6 // TODO: tie this back to its source........... ··· 11 token: {{{json token}}}, 12 fetch_key: {{{json fetch_key}}}, 13 })); 0 14 window.close(); 15 </script>

··· 1 <!doctype html> 2 + <meta charset="utf-8" /> 3 + <title>great job!</title> 4 5 + <h1>oauth success!</h1> 6 + <p>this window should automatically close itself (probably a bug if it hasn't)</p> 7 8 <script> 9 // TODO: tie this back to its source........... ··· 14 token: {{{json token}}}, 15 fetch_key: {{{json fetch_key}}}, 16 })); 17 + // TODO: probably also wait for a reply from the frame and show an error if not 18 window.close(); 19 </script>

+45 -4

who-am-i/templates/hello.hbs

··· 4 <div class="mini-content"> 5 <div class="explain"> 6 <p>This is a little identity-verifying service for microcosm demos.</p> 0 7 </div> 8 9 {{#if did}} ··· 50 } catch (e) { 51 err(e, 'failed to clear session, sorry'); 52 } 53 - window.location.reload(); 0 54 }); 55 })(); 56 ··· 71 } 72 </script> 73 {{else}} 74 - <p id="prompt" class="detail no"> 75 - No identity connected. 76 - </p> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 77 {{/if}} 0 78 </div> 0 0 0 0 0 0 0 0 0 0 0 0 79 {{/inline}} 80 81 {{#> base-full}}{{/base-full}}

··· 4 <div class="mini-content"> 5 <div class="explain"> 6 <p>This is a little identity-verifying service for microcosm demos.</p> 7 + <p>Only <strong>read access to your public data</strong> is required to connect: connecting does not grant any ability to modify your account or data.</p> 8 </div> 9 10 {{#if did}} ··· 51 } catch (e) { 52 err(e, 'failed to clear session, sorry'); 53 } 54 + window.location.replace(location.pathname); 55 + window.location.reload(); // backup, in case there is no query? 56 }); 57 })(); 58 ··· 73 } 74 </script> 75 {{else}} 76 + 77 + <p class="hello-connect-plz">Connect your handle</p> 78 + 79 + {{#if is_auth_reload}} 80 + {{#if no_cookie}} 81 + <p id="prompt" class="detail no"> 82 + No identity connected. Your browser may be blocking access for connecting. 83 + </p> 84 + {{else}} 85 + {{#if auth_failed}} 86 + <p id="prompt" class="detail no"> 87 + No identity connected. Connecting failed or was denied. 88 + </p> 89 + {{else}} 90 + <p id="prompt" class="detail no"> 91 + No identity connected. 92 + </p> 93 + {{/if}} 94 + {{/if}} 95 + {{/if}} 96 + 97 + <div id="user-info"> 98 + <form id="form-action" action="/auth" target="_blank" method="GET" class="action {{#if did}}hidden{{/if}}"> 99 + <label> 100 + @<input id="handle-input" class="handle" name="handle" placeholder="example.bsky.social" /> 101 + </label> 102 + <button id="connect" type="submit">connect</button> 103 + </form> 104 + </div> 105 {{/if}} 106 + 107 </div> 108 + <script> 109 + window.addEventListener('storage', e => { 110 + console.log('eyyy got storage', e); 111 + if (e.key !== 'who-am-i') return; 112 + if (!e.newValue) return; 113 + if (e.newValue.result === 'success') { 114 + window.location = '/?auth_reload=1'; 115 + } else { 116 + window.location = '/?auth_reload=1&auth_failed=1'; 117 + } 118 + }); 119 + </script> 120 {{/inline}} 121 122 {{#> base-full}}{{/base-full}}

+1

who-am-i/templates/prompt-error.hbs

··· 2 <div class="prompt-error"> 3 <p class="went-wrong">Something went wrong :(</p> 4 <p class="reason">{{ reason }}</p> 0 5 <p id="maybe-not-in-iframe" class="hidden"> 6 Possibly related: this prompt is meant to be shown in an iframe, but it seems like it's not. 7 </p>

··· 2 <div class="prompt-error"> 3 <p class="went-wrong">Something went wrong :(</p> 4 <p class="reason">{{ reason }}</p> 5 + <p class="reason detail">{{ detail }}</p> 6 <p id="maybe-not-in-iframe" class="hidden"> 7 Possibly related: this prompt is meant to be shown in an iframe, but it seems like it's not. 8 </p>

+46 -7

who-am-i/templates/prompt.hbs

··· 6 <p id="error-message" class="hidden"></p> 7 8 <p id="prompt" class="detail"> 9 - <span class="parent-host">{{ parent_host }}</span> would like to confirm your handle 10 </p> 11 12 <div id="loader" {{#unless did}}class="hidden"{{/unless}}> ··· 27 </div> 28 </div> 29 0 0 0 0 0 0 0 0 30 31 32 <script> ··· 39 const formEl = document.getElementById('form-action'); // for anon 40 const allowEl = document.getElementById('handle-action'); // for known-did 41 const connectEl = document.getElementById('connect'); // for anon 0 0 42 43 function err(e, msg) { 44 loaderEl.classList.add('hidden'); ··· 66 window.open(url, '_blank'); 67 }; 68 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 69 window.addEventListener('storage', async e => { 70 // here's a fun minor vuln: we can't tell which flow triggers the storage event. 71 // so if you have two flows going, it grants for both (or the first responder?) if you grant for either. ··· 79 console.error("hmm, heard from localstorage but did not get DID", details, e); 80 err('sorry, something went wrong getting your details'); 81 } 82 - localStorage.removeItem(e.key); 83 84 let parsed; 85 try { ··· 127 return info.handle; 128 } 129 0 0 130 const shareAllow = (handle, token) => { 131 - top.postMessage( 132 - { action: "allow", handle, token }, 133 - {{{json parent_origin}}}, 134 - ); 0 0 0 0 135 promptEl.textContent = '✔️ shared'; 136 } 137 138 const shareDeny = reason => { 139 top.postMessage( 140 { action: "deny", reason }, 141 - {{{json parent_origin}}}, 142 ); 143 } 144 </script>

··· 6 <p id="error-message" class="hidden"></p> 7 8 <p id="prompt" class="detail"> 9 + <span class="parent-host">{{ parent_host }}</span> wants to confirm your handle 10 </p> 11 12 <div id="loader" {{#unless did}}class="hidden"{{/unless}}> ··· 27 </div> 28 </div> 29 30 + <div id="need-storage" class="hidden"> 31 + <p class="problem">Sorry, your browser is blocking access.</p> 32 + <p> 33 + Try <a href="/" target="_blank">connecting directly</a> first (but no promises). 34 + Clicking <button id="desperation">this button</button> might also help. 35 + </p> 36 + </div> 37 + 38 39 40 <script> ··· 47 const formEl = document.getElementById('form-action'); // for anon 48 const allowEl = document.getElementById('handle-action'); // for known-did 49 const connectEl = document.getElementById('connect'); // for anon 50 + const needStorageEl = document.getElementById('need-storage'); // for safari/frame isolation 51 + const desperationEl = document.getElementById('desperation'); 52 53 function err(e, msg) { 54 loaderEl.classList.add('hidden'); ··· 76 window.open(url, '_blank'); 77 }; 78 79 + // check if we may be partitioned, preventing access after auth completion 80 + // this should only happen if on a browser that implements storage access api 81 + if ('hasStorageAccess' in document) { 82 + document.hasStorageAccess().then((hasAccess) => { 83 + if (!hasAccess) { 84 + promptEl.classList.add('hidden'); 85 + infoEl.classList.add('hidden'); 86 + needStorageEl.classList.remove('hidden'); 87 + desperation.addEventListener('click', () => { 88 + document.requestStorageAccess({ 89 + cookies: true, 90 + localStorage: true, 91 + }).then( 92 + () => { 93 + desperation.textContent = "(maybe helped?)"; 94 + setTimeout(() => location.reload(), 350); 95 + }, 96 + () => desperation.textContent = "(doubtful)", 97 + ); 98 + }) 99 + } 100 + }); 101 + } 102 + 103 window.addEventListener('storage', async e => { 104 // here's a fun minor vuln: we can't tell which flow triggers the storage event. 105 // so if you have two flows going, it grants for both (or the first responder?) if you grant for either. ··· 113 console.error("hmm, heard from localstorage but did not get DID", details, e); 114 err('sorry, something went wrong getting your details'); 115 } 0 116 117 let parsed; 118 try { ··· 160 return info.handle; 161 } 162 163 + const parentTarget = {{{json parent_target}}} ?? {{{json parent_origin}}}; 164 + 165 const shareAllow = (handle, token) => { 166 + try { 167 + top.postMessage( 168 + { action: "allow", handle, token }, 169 + parentTarget, 170 + ); 171 + } catch (e) { 172 + err(e, 'Identity verified but failed to connect with app'); 173 + }; 174 promptEl.textContent = '✔️ shared'; 175 } 176 177 const shareDeny = reason => { 178 top.postMessage( 179 { action: "deny", reason }, 180 + parentTarget, 181 ); 182 } 183 </script>