+21

.github/workflows/build.yml

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

+1 -1

.github/workflows/checks.yml

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

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+4

Cargo.toml

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

+8 -1

Makefile

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

+1 -1

constellation/Cargo.toml

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

+661

constellation/LICENSE

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+3

constellation/LICENSE.future

··· 1 1 + constellation's source code is currently only available under the AGPL license. 2 2 + 3 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 83 ``` 84 84 85 85 86 86 + ## Contributions 87 87 + 88 88 + ### Licensing 89 89 + 90 90 + Constellation's source code is currently available exclusively under the AGPL license (see [LICENSE](./LICENSE)). 91 91 + 92 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 93 + 94 94 + 86 95 some todos 87 96 88 97 - [x] find links and write them to rocksdb

+57 -14

constellation/src/bin/main.rs

··· 1 1 use anyhow::{bail, Result}; 2 2 use clap::{Parser, ValueEnum}; 3 3 use metrics_exporter_prometheus::PrometheusBuilder; 4 4 + use std::net::SocketAddr; 4 5 use std::num::NonZero; 5 6 use std::path::PathBuf; 6 7 use std::sync::{atomic::AtomicU32, Arc}; ··· 21 22 #[derive(Parser, Debug)] 22 23 #[command(version, about, long_about = None)] 23 24 struct Args { 24 24 - #[arg(short, long)] 25 25 + /// constellation server's listen address 26 26 + #[arg(long)] 27 27 + #[clap(default_value = "0.0.0.0:6789")] 28 28 + bind: SocketAddr, 29 29 + /// metrics server's listen address 30 30 + #[arg(long)] 31 31 + #[clap(default_value = "0.0.0.0:8765")] 32 32 + bind_metrics: SocketAddr, 25 33 /// Jetstream server to connect to (exclusive with --fixture). Provide either a wss:// URL, or a shorhand value: 26 34 /// 'us-east-1', 'us-east-2', 'us-west-1', or 'us-west-2' 27 35 #[arg(short, long)] ··· 46 54 /// Saved jsonl from jetstream to use instead of a live subscription 47 55 #[arg(short, long)] 48 56 fixture: Option<PathBuf>, 57 57 + /// run a scan across the target id table and write all key -> ids to id -> keys 58 58 + #[arg(long, action)] 59 59 + repair_target_ids: bool, 49 60 } 50 61 51 62 #[derive(Debug, Clone, ValueEnum)] ··· 78 89 let stream = jetstream_url(&args.jetstream); 79 90 println!("using jetstream server {stream:?}...",); 80 91 92 92 + let bind = args.bind; 93 93 + let metrics_bind = args.bind_metrics; 94 94 + 81 95 let stay_alive = CancellationToken::new(); 82 96 83 97 match args.backend { 84 84 - StorageBackend::Memory => run(MemStorage::new(), fixture, None, stream, stay_alive), 98 98 + StorageBackend::Memory => run( 99 99 + MemStorage::new(), 100 100 + fixture, 101 101 + None, 102 102 + stream, 103 103 + bind, 104 104 + metrics_bind, 105 105 + stay_alive, 106 106 + ), 85 107 #[cfg(feature = "rocks")] 86 108 StorageBackend::Rocks => { 87 109 let storage_dir = args.data.clone().unwrap_or("rocks.test".into()); ··· 96 118 rocks.start_backup(backup_dir, auto_backup, stay_alive.clone())?; 97 119 } 98 120 println!("rocks ready."); 99 99 - run(rocks, fixture, args.data, stream, stay_alive) 121 121 + std::thread::scope(|s| { 122 122 + if args.repair_target_ids { 123 123 + let rocks = rocks.clone(); 124 124 + let stay_alive = stay_alive.clone(); 125 125 + s.spawn(move || { 126 126 + let rep = rocks.run_repair(time::Duration::from_millis(0), stay_alive); 127 127 + eprintln!("repair finished: {rep:?}"); 128 128 + rep 129 129 + }); 130 130 + } 131 131 + s.spawn(|| { 132 132 + let r = run( 133 133 + rocks, 134 134 + fixture, 135 135 + args.data, 136 136 + stream, 137 137 + bind, 138 138 + metrics_bind, 139 139 + stay_alive, 140 140 + ); 141 141 + eprintln!("run finished: {r:?}"); 142 142 + r 143 143 + }); 144 144 + }); 145 145 + Ok(()) 100 146 } 101 147 } 102 148 } ··· 106 152 fixture: Option<PathBuf>, 107 153 data_dir: Option<PathBuf>, 108 154 stream: String, 155 155 + bind: SocketAddr, 156 156 + metrics_bind: SocketAddr, 109 157 stay_alive: CancellationToken, 110 158 ) -> Result<()> { 111 159 ctrlc::set_handler({ ··· 150 198 .build() 151 199 .expect("axum startup") 152 200 .block_on(async { 153 153 - install_metrics_server()?; 154 154 - serve(readable, "0.0.0.0:6789", staying_alive).await 201 201 + install_metrics_server(metrics_bind)?; 202 202 + serve(readable, bind, staying_alive).await 155 203 }) 156 204 .unwrap(); 157 205 stay_alive.drop_guard(); ··· 184 232 185 233 'monitor: loop { 186 234 match readable.get_stats() { 187 187 - Ok(StorageStats { dids, targetables, linking_records }) => { 235 235 + Ok(StorageStats { dids, targetables, linking_records, .. }) => { 188 236 metrics::gauge!("storage.stats.dids").set(dids as f64); 189 237 metrics::gauge!("storage.stats.targetables").set(targetables as f64); 190 238 metrics::gauge!("storage.stats.linking_records").set(linking_records as f64); ··· 218 266 Ok(()) 219 267 } 220 268 221 221 - fn install_metrics_server() -> Result<()> { 269 269 + fn install_metrics_server(metrics_bind: SocketAddr) -> Result<()> { 222 270 println!("installing metrics server..."); 223 223 - let host = [0, 0, 0, 0]; 224 224 - let port = 8765; 225 271 PrometheusBuilder::new() 226 272 .set_quantiles(&[0.5, 0.9, 0.99, 1.0])? 227 273 .set_bucket_duration(time::Duration::from_secs(30))? 228 274 .set_bucket_count(NonZero::new(10).unwrap()) // count * duration = 5 mins. stuff doesn't happen that fast here. 229 275 .set_enable_unit_suffix(true) 230 230 - .with_http_listener((host, port)) 276 276 + .with_http_listener(metrics_bind) 231 277 .install()?; 232 232 - println!( 233 233 - "metrics server installed! listening on http://{}.{}.{}.{}:{port}", 234 234 - host[0], host[1], host[2], host[3] 235 235 - ); 278 278 + println!("metrics server installed! listening at {metrics_bind:?}"); 236 279 Ok(()) 237 280 } 238 281

+239 -238

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

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

+2

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

··· 3 3 use clap::Parser; 4 4 use std::path::PathBuf; 5 5 6 6 + #[cfg(feature = "rocks")] 6 7 use rocksdb::backup::{BackupEngine, BackupEngineOptions, RestoreOptions}; 7 8 8 9 use std::time; ··· 19 20 to_data_dir: PathBuf, 20 21 } 21 22 23 23 + #[cfg(feature = "rocks")] 22 24 fn main() -> Result<()> { 23 25 let args = Args::parse(); 24 26

+4

constellation/src/server/filters.rs

··· 22 22 pub fn human_number(n: &u64) -> askama::Result<String> { 23 23 Ok(n.to_formatted_string(&Locale::en)) 24 24 } 25 25 + 26 26 + pub fn to_u64(n: usize) -> askama::Result<u64> { 27 27 + Ok(n as u64) 28 28 + }

+332 -19

constellation/src/server/mod.rs

··· 11 11 use bincode::Options; 12 12 use serde::{Deserialize, Serialize}; 13 13 use serde_with::serde_as; 14 14 - use std::collections::HashMap; 14 14 + use std::collections::{HashMap, HashSet}; 15 15 use std::time::{Duration, UNIX_EPOCH}; 16 16 use tokio::net::{TcpListener, ToSocketAddrs}; 17 17 - use tokio::task::block_in_place; 17 17 + use tokio::task::spawn_blocking; 18 18 use tokio_util::sync::CancellationToken; 19 19 20 20 use crate::storage::{LinkReader, StorageStats}; ··· 28 28 const DEFAULT_CURSOR_LIMIT: u64 = 16; 29 29 const DEFAULT_CURSOR_LIMIT_MAX: u64 = 100; 30 30 31 31 - const INDEX_BEGAN_AT_TS: u64 = 1738083600; // TODO: not this 31 31 + fn get_default_cursor_limit() -> u64 { 32 32 + DEFAULT_CURSOR_LIMIT 33 33 + } 34 34 + 35 35 + fn to500(e: tokio::task::JoinError) -> http::StatusCode { 36 36 + eprintln!("handler error: {e}"); 37 37 + http::StatusCode::INTERNAL_SERVER_ERROR 38 38 + } 32 39 33 40 pub async fn serve<S, A>(store: S, addr: A, stay_alive: CancellationToken) -> anyhow::Result<()> 34 41 where ··· 41 48 "/", 42 49 get({ 43 50 let store = store.clone(); 44 44 - move |accept| async { block_in_place(|| hello(accept, store)) } 51 51 + move |accept| async { 52 52 + spawn_blocking(|| hello(accept, store)) 53 53 + .await 54 54 + .map_err(to500)? 55 55 + } 56 56 + }), 57 57 + ) 58 58 + .route( 59 59 + "/xrpc/blue.microcosm.links.getManyToManyCounts", 60 60 + get({ 61 61 + let store = store.clone(); 62 62 + move |accept, query| async { 63 63 + spawn_blocking(|| get_many_to_many_counts(accept, query, store)) 64 64 + .await 65 65 + .map_err(to500)? 66 66 + } 45 67 }), 46 68 ) 47 69 .route( 48 70 "/links/count", 49 71 get({ 50 72 let store = store.clone(); 51 51 - move |accept, query| async { block_in_place(|| count_links(accept, query, store)) } 73 73 + move |accept, query| async { 74 74 + spawn_blocking(|| count_links(accept, query, store)) 75 75 + .await 76 76 + .map_err(to500)? 77 77 + } 52 78 }), 53 79 ) 54 80 .route( ··· 56 82 get({ 57 83 let store = store.clone(); 58 84 move |accept, query| async { 59 59 - block_in_place(|| count_distinct_dids(accept, query, store)) 85 85 + spawn_blocking(|| count_distinct_dids(accept, query, store)) 86 86 + .await 87 87 + .map_err(to500)? 88 88 + } 89 89 + }), 90 90 + ) 91 91 + .route( 92 92 + "/xrpc/blue.microcosm.links.getBacklinks", 93 93 + get({ 94 94 + let store = store.clone(); 95 95 + move |accept, query| async { 96 96 + spawn_blocking(|| get_backlinks(accept, query, store)) 97 97 + .await 98 98 + .map_err(to500)? 60 99 } 61 100 }), 62 101 ) ··· 64 103 "/links", 65 104 get({ 66 105 let store = store.clone(); 67 67 - move |accept, query| async { block_in_place(|| get_links(accept, query, store)) } 106 106 + move |accept, query| async { 107 107 + spawn_blocking(|| get_links(accept, query, store)) 108 108 + .await 109 109 + .map_err(to500)? 110 110 + } 68 111 }), 69 112 ) 70 113 .route( ··· 72 115 get({ 73 116 let store = store.clone(); 74 117 move |accept, query| async { 75 75 - block_in_place(|| get_distinct_dids(accept, query, store)) 118 118 + spawn_blocking(|| get_distinct_dids(accept, query, store)) 119 119 + .await 120 120 + .map_err(to500)? 76 121 } 77 122 }), 78 123 ) ··· 82 127 get({ 83 128 let store = store.clone(); 84 129 move |accept, query| async { 85 85 - block_in_place(|| count_all_links(accept, query, store)) 130 130 + spawn_blocking(|| count_all_links(accept, query, store)) 131 131 + .await 132 132 + .map_err(to500)? 86 133 } 87 134 }), 88 135 ) ··· 91 138 get({ 92 139 let store = store.clone(); 93 140 move |accept, query| async { 94 94 - block_in_place(|| explore_links(accept, query, store)) 141 141 + spawn_blocking(|| explore_links(accept, query, store)) 142 142 + .await 143 143 + .map_err(to500)? 95 144 } 96 145 }), 97 146 ) ··· 150 199 #[template(path = "hello.html.j2")] 151 200 struct HelloReponse { 152 201 help: &'static str, 153 153 - days_indexed: u64, 202 202 + days_indexed: Option<u64>, 154 203 stats: StorageStats, 155 204 } 156 205 fn hello( ··· 160 209 let stats = store 161 210 .get_stats() 162 211 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 163 163 - let days_indexed = (UNIX_EPOCH + Duration::from_secs(INDEX_BEGAN_AT_TS)) 164 164 - .elapsed() 212 212 + let days_indexed = stats 213 213 + .started_at 214 214 + .map(|c| (UNIX_EPOCH + Duration::from_micros(c)).elapsed()) 215 215 + .transpose() 165 216 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)? 166 166 - .as_secs() 167 167 - / 86400; 217 217 + .map(|d| d.as_secs() / 86_400); 168 218 Ok(acceptable(accept, HelloReponse { 169 219 help: "open this URL in a web browser (or request with Accept: text/html) for information about this API.", 170 220 days_indexed, ··· 173 223 } 174 224 175 225 #[derive(Clone, Deserialize)] 226 226 + #[serde(rename_all = "camelCase")] 227 227 + struct GetManyToManyCountsQuery { 228 228 + subject: String, 229 229 + source: String, 230 230 + /// path to the secondary link in the linking record 231 231 + path_to_other: String, 232 232 + /// filter to linking records (join of the m2m) by these DIDs 233 233 + #[serde(default)] 234 234 + did: Vec<String>, 235 235 + /// filter to specific secondary records 236 236 + #[serde(default)] 237 237 + other_subject: Vec<String>, 238 238 + cursor: Option<OpaqueApiCursor>, 239 239 + /// Set the max number of links to return per page of results 240 240 + #[serde(default = "get_default_cursor_limit")] 241 241 + limit: u64, 242 242 + } 243 243 + #[derive(Serialize)] 244 244 + struct OtherSubjectCount { 245 245 + subject: String, 246 246 + total: u64, 247 247 + distinct: u64, 248 248 + } 249 249 + #[derive(Template, Serialize)] 250 250 + #[template(path = "get-many-to-many-counts.html.j2")] 251 251 + struct GetManyToManyCountsResponse { 252 252 + counts_by_other_subject: Vec<OtherSubjectCount>, 253 253 + cursor: Option<OpaqueApiCursor>, 254 254 + #[serde(skip_serializing)] 255 255 + query: GetManyToManyCountsQuery, 256 256 + } 257 257 + fn get_many_to_many_counts( 258 258 + accept: ExtractAccept, 259 259 + query: axum_extra::extract::Query<GetManyToManyCountsQuery>, 260 260 + store: impl LinkReader, 261 261 + ) -> Result<impl IntoResponse, http::StatusCode> { 262 262 + let cursor_key = query 263 263 + .cursor 264 264 + .clone() 265 265 + .map(|oc| ApiKeyedCursor::try_from(oc).map_err(|_| http::StatusCode::BAD_REQUEST)) 266 266 + .transpose()? 267 267 + .map(|c| c.next); 268 268 + 269 269 + let limit = query.limit; 270 270 + if limit > DEFAULT_CURSOR_LIMIT_MAX { 271 271 + return Err(http::StatusCode::BAD_REQUEST); 272 272 + } 273 273 + 274 274 + let filter_dids: HashSet<Did> = HashSet::from_iter( 275 275 + query 276 276 + .did 277 277 + .iter() 278 278 + .map(|d| d.trim()) 279 279 + .filter(|d| !d.is_empty()) 280 280 + .map(|d| Did(d.to_string())), 281 281 + ); 282 282 + 283 283 + let filter_other_subjects: HashSet<String> = HashSet::from_iter( 284 284 + query 285 285 + .other_subject 286 286 + .iter() 287 287 + .map(|s| s.trim().to_string()) 288 288 + .filter(|s| !s.is_empty()), 289 289 + ); 290 290 + 291 291 + let Some((collection, path)) = query.source.split_once(':') else { 292 292 + return Err(http::StatusCode::BAD_REQUEST); 293 293 + }; 294 294 + let path = format!(".{path}"); 295 295 + 296 296 + let path_to_other = format!(".{}", query.path_to_other); 297 297 + 298 298 + let paged = store 299 299 + .get_many_to_many_counts( 300 300 + &query.subject, 301 301 + collection, 302 302 + &path, 303 303 + &path_to_other, 304 304 + limit, 305 305 + cursor_key, 306 306 + &filter_dids, 307 307 + &filter_other_subjects, 308 308 + ) 309 309 + .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 310 310 + 311 311 + let cursor = paged.next.map(|next| ApiKeyedCursor { next }.into()); 312 312 + 313 313 + let items = paged 314 314 + .items 315 315 + .into_iter() 316 316 + .map(|(subject, total, distinct)| OtherSubjectCount { 317 317 + subject, 318 318 + total, 319 319 + distinct, 320 320 + }) 321 321 + .collect(); 322 322 + 323 323 + Ok(acceptable( 324 324 + accept, 325 325 + GetManyToManyCountsResponse { 326 326 + counts_by_other_subject: items, 327 327 + cursor, 328 328 + query: (*query).clone(), 329 329 + }, 330 330 + )) 331 331 + } 332 332 + 333 333 + #[derive(Clone, Deserialize)] 176 334 struct GetLinksCountQuery { 177 335 target: String, 178 336 collection: String, ··· 233 391 } 234 392 235 393 #[derive(Clone, Deserialize)] 394 394 + struct GetBacklinksQuery { 395 395 + /// The link target 396 396 + /// 397 397 + /// can be an AT-URI, plain DID, or regular URI 398 398 + subject: String, 399 399 + /// Filter links only from this link source 400 400 + /// 401 401 + /// eg.: `app.bsky.feed.like:subject.uri` 402 402 + source: String, 403 403 + cursor: Option<OpaqueApiCursor>, 404 404 + /// Filter links only from these DIDs 405 405 + /// 406 406 + /// include multiple times to filter by multiple source DIDs 407 407 + #[serde(default)] 408 408 + did: Vec<String>, 409 409 + /// Set the max number of links to return per page of results 410 410 + #[serde(default = "get_default_cursor_limit")] 411 411 + limit: u64, 412 412 + // TODO: allow reverse (er, forward) order as well 413 413 + } 414 414 + #[derive(Template, Serialize)] 415 415 + #[template(path = "get-backlinks.html.j2")] 416 416 + struct GetBacklinksResponse { 417 417 + total: u64, 418 418 + records: Vec<RecordId>, 419 419 + cursor: Option<OpaqueApiCursor>, 420 420 + #[serde(skip_serializing)] 421 421 + query: GetBacklinksQuery, 422 422 + #[serde(skip_serializing)] 423 423 + collection: String, 424 424 + #[serde(skip_serializing)] 425 425 + path: String, 426 426 + } 427 427 + fn get_backlinks( 428 428 + accept: ExtractAccept, 429 429 + query: axum_extra::extract::Query<GetBacklinksQuery>, // supports multiple param occurrences 430 430 + store: impl LinkReader, 431 431 + ) -> Result<impl IntoResponse, http::StatusCode> { 432 432 + let until = query 433 433 + .cursor 434 434 + .clone() 435 435 + .map(|oc| ApiCursor::try_from(oc).map_err(|_| http::StatusCode::BAD_REQUEST)) 436 436 + .transpose()? 437 437 + .map(|c| c.next); 438 438 + 439 439 + let limit = query.limit; 440 440 + if limit > DEFAULT_CURSOR_LIMIT_MAX { 441 441 + return Err(http::StatusCode::BAD_REQUEST); 442 442 + } 443 443 + 444 444 + let filter_dids: HashSet<Did> = HashSet::from_iter( 445 445 + query 446 446 + .did 447 447 + .iter() 448 448 + .map(|d| d.trim()) 449 449 + .filter(|d| !d.is_empty()) 450 450 + .map(|d| Did(d.to_string())), 451 451 + ); 452 452 + 453 453 + let Some((collection, path)) = query.source.split_once(':') else { 454 454 + return Err(http::StatusCode::BAD_REQUEST); 455 455 + }; 456 456 + let path = format!(".{path}"); 457 457 + 458 458 + let paged = store 459 459 + .get_links( 460 460 + &query.subject, 461 461 + collection, 462 462 + &path, 463 463 + limit, 464 464 + until, 465 465 + &filter_dids, 466 466 + ) 467 467 + .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 468 468 + 469 469 + let cursor = paged.next.map(|next| { 470 470 + ApiCursor { 471 471 + version: paged.version, 472 472 + next, 473 473 + } 474 474 + .into() 475 475 + }); 476 476 + 477 477 + Ok(acceptable( 478 478 + accept, 479 479 + GetBacklinksResponse { 480 480 + total: paged.total, 481 481 + records: paged.items, 482 482 + cursor, 483 483 + query: (*query).clone(), 484 484 + collection: collection.to_string(), 485 485 + path, 486 486 + }, 487 487 + )) 488 488 + } 489 489 + 490 490 + #[derive(Clone, Deserialize)] 236 491 struct GetLinkItemsQuery { 237 492 target: String, 238 493 collection: String, 239 494 path: String, 240 495 cursor: Option<OpaqueApiCursor>, 241 241 - limit: Option<u64>, 496 496 + /// Filter links only from these DIDs 497 497 + /// 498 498 + /// include multiple times to filter by multiple source DIDs 499 499 + #[serde(default)] 500 500 + did: Vec<String>, 501 501 + /// [deprecated] Filter links only from these DIDs 502 502 + /// 503 503 + /// format: comma-separated sequence of DIDs 504 504 + /// 505 505 + /// errors: if `did` parameter is also present 506 506 + /// 507 507 + /// deprecated: use `did`, which can be repeated multiple times 508 508 + from_dids: Option<String>, // comma separated: gross 509 509 + #[serde(default = "get_default_cursor_limit")] 510 510 + limit: u64, 242 511 // TODO: allow reverse (er, forward) order as well 243 512 } 244 513 #[derive(Template, Serialize)] ··· 255 524 } 256 525 fn get_links( 257 526 accept: ExtractAccept, 258 258 - query: Query<GetLinkItemsQuery>, 527 527 + query: axum_extra::extract::Query<GetLinkItemsQuery>, // supports multiple param occurrences 259 528 store: impl LinkReader, 260 529 ) -> Result<impl IntoResponse, http::StatusCode> { 261 530 let until = query ··· 265 534 .transpose()? 266 535 .map(|c| c.next); 267 536 268 268 - let limit = query.limit.unwrap_or(DEFAULT_CURSOR_LIMIT); 537 537 + let limit = query.limit; 269 538 if limit > DEFAULT_CURSOR_LIMIT_MAX { 270 539 return Err(http::StatusCode::BAD_REQUEST); 271 540 } 272 541 542 542 + let mut filter_dids: HashSet<Did> = HashSet::from_iter( 543 543 + query 544 544 + .did 545 545 + .iter() 546 546 + .map(|d| d.trim()) 547 547 + .filter(|d| !d.is_empty()) 548 548 + .map(|d| Did(d.to_string())), 549 549 + ); 550 550 + 551 551 + if let Some(comma_joined) = &query.from_dids { 552 552 + if !filter_dids.is_empty() { 553 553 + return Err(http::StatusCode::BAD_REQUEST); 554 554 + } 555 555 + for did in comma_joined.split(',') { 556 556 + filter_dids.insert(Did(did.to_string())); 557 557 + } 558 558 + } 559 559 + 273 560 let paged = store 274 274 - .get_links(&query.target, &query.collection, &query.path, limit, until) 561 561 + .get_links( 562 562 + &query.target, 563 563 + &query.collection, 564 564 + &query.path, 565 565 + limit, 566 566 + until, 567 567 + &filter_dids, 568 568 + ) 275 569 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 276 570 277 571 let cursor = paged.next.map(|next| { ··· 433 727 OpaqueApiCursor(bincode::DefaultOptions::new().serialize(&item).unwrap()) 434 728 } 435 729 } 730 730 + 731 731 + #[derive(Serialize, Deserialize)] // for bincode 732 732 + struct ApiKeyedCursor { 733 733 + next: String, // the key 734 734 + } 735 735 + 736 736 + impl TryFrom<OpaqueApiCursor> for ApiKeyedCursor { 737 737 + type Error = bincode::Error; 738 738 + 739 739 + fn try_from(item: OpaqueApiCursor) -> Result<Self, Self::Error> { 740 740 + bincode::DefaultOptions::new().deserialize(&item.0) 741 741 + } 742 742 + } 743 743 + 744 744 + impl From<ApiKeyedCursor> for OpaqueApiCursor { 745 745 + fn from(item: ApiKeyedCursor) -> Self { 746 746 + OpaqueApiCursor(bincode::DefaultOptions::new().serialize(&item).unwrap()) 747 747 + } 748 748 + }

+93 -1

constellation/src/storage/mem_store.rs

··· 1 1 - use super::{LinkReader, LinkStorage, PagedAppendingCollection, StorageStats}; 1 1 + use super::{ 2 2 + LinkReader, LinkStorage, PagedAppendingCollection, PagedOrderedCollection, StorageStats, 3 3 + }; 2 4 use crate::{ActionableEvent, CountsByCount, Did, RecordId}; 3 5 use anyhow::Result; 4 6 use links::CollectedLink; ··· 132 134 } 133 135 134 136 impl LinkReader for MemStorage { 137 137 + fn get_many_to_many_counts( 138 138 + &self, 139 139 + target: &str, 140 140 + collection: &str, 141 141 + path: &str, 142 142 + path_to_other: &str, 143 143 + limit: u64, 144 144 + after: Option<String>, 145 145 + filter_dids: &HashSet<Did>, 146 146 + filter_to_targets: &HashSet<String>, 147 147 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>> { 148 148 + let data = self.0.lock().unwrap(); 149 149 + let Some(paths) = data.targets.get(&Target::new(target)) else { 150 150 + return Ok(PagedOrderedCollection::default()); 151 151 + }; 152 152 + let Some(linkers) = paths.get(&Source::new(collection, path)) else { 153 153 + return Ok(PagedOrderedCollection::default()); 154 154 + }; 155 155 + 156 156 + let path_to_other = RecordPath::new(path_to_other); 157 157 + let filter_to_targets: HashSet<Target> = 158 158 + HashSet::from_iter(filter_to_targets.iter().map(|s| Target::new(s))); 159 159 + 160 160 + let mut grouped_counts: HashMap<Target, (u64, HashSet<Did>)> = HashMap::new(); 161 161 + for (did, rkey) in linkers.iter().flatten().cloned() { 162 162 + if !filter_dids.is_empty() && !filter_dids.contains(&did) { 163 163 + continue; 164 164 + } 165 165 + if let Some(fwd_target) = data 166 166 + .links 167 167 + .get(&did) 168 168 + .unwrap_or(&HashMap::new()) 169 169 + .get(&RepoId { 170 170 + collection: collection.to_string(), 171 171 + rkey, 172 172 + }) 173 173 + .unwrap_or(&Vec::new()) 174 174 + .iter() 175 175 + .filter_map(|(path, target)| { 176 176 + if *path == path_to_other 177 177 + && (filter_to_targets.is_empty() || filter_to_targets.contains(target)) 178 178 + { 179 179 + Some(target) 180 180 + } else { 181 181 + None 182 182 + } 183 183 + }) 184 184 + .take(1) 185 185 + .next() 186 186 + { 187 187 + let e = grouped_counts.entry(fwd_target.clone()).or_default(); 188 188 + e.0 += 1; 189 189 + e.1.insert(did.clone()); 190 190 + } 191 191 + } 192 192 + let mut items: Vec<(String, u64, u64)> = grouped_counts 193 193 + .iter() 194 194 + .map(|(k, (n, u))| (k.0.clone(), *n, u.len() as u64)) 195 195 + .collect(); 196 196 + items.sort(); 197 197 + items = items 198 198 + .into_iter() 199 199 + .skip_while(|(t, _, _)| after.as_ref().map(|a| t <= a).unwrap_or(false)) 200 200 + .take(limit as usize) 201 201 + .collect(); 202 202 + let next = if items.len() as u64 >= limit { 203 203 + items.last().map(|(t, _, _)| t.clone()) 204 204 + } else { 205 205 + None 206 206 + }; 207 207 + Ok(PagedOrderedCollection { items, next }) 208 208 + } 209 209 + 135 210 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64> { 136 211 let data = self.0.lock().unwrap(); 137 212 let Some(paths) = data.targets.get(&Target::new(target)) else { ··· 166 241 path: &str, 167 242 limit: u64, 168 243 until: Option<u64>, 244 244 + filter_dids: &HashSet<Did>, 169 245 ) -> Result<PagedAppendingCollection<RecordId>> { 170 246 let data = self.0.lock().unwrap(); 171 247 let Some(paths) = data.targets.get(&Target::new(target)) else { ··· 183 259 next: None, 184 260 total: 0, 185 261 }); 262 262 + }; 263 263 + 264 264 + let did_rkeys: Vec<_> = if !filter_dids.is_empty() { 265 265 + did_rkeys 266 266 + .iter() 267 267 + .filter(|m| { 268 268 + Option::<(Did, RKey)>::clone(m) 269 269 + .map(|(did, _)| filter_dids.contains(&did)) 270 270 + .unwrap_or(false) 271 271 + }) 272 272 + .cloned() 273 273 + .collect() 274 274 + } else { 275 275 + did_rkeys.to_vec() 186 276 }; 187 277 188 278 let total = did_rkeys.len(); ··· 338 428 dids, 339 429 targetables, 340 430 linking_records, 431 431 + started_at: None, 432 432 + other_data: Default::default(), 341 433 }) 342 434 } 343 435 }

+484 -14

constellation/src/storage/mod.rs

··· 1 1 use crate::{ActionableEvent, CountsByCount, Did, RecordId}; 2 2 use anyhow::Result; 3 3 use serde::{Deserialize, Serialize}; 4 4 - use std::collections::HashMap; 4 4 + use std::collections::{HashMap, HashSet}; 5 5 6 6 pub mod mem_store; 7 7 pub use mem_store::MemStorage; ··· 19 19 pub total: u64, 20 20 } 21 21 22 22 + /// A paged collection whose keys are sorted instead of indexed 23 23 + /// 24 24 + /// this has weaker guarantees than PagedAppendingCollection: it might 25 25 + /// return a totally consistent snapshot. but it should avoid duplicates 26 26 + /// and each page should at least be internally consistent. 27 27 + #[derive(Debug, PartialEq, Default)] 28 28 + pub struct PagedOrderedCollection<T, K: Ord> { 29 29 + pub items: Vec<T>, 30 30 + pub next: Option<K>, 31 31 + } 32 32 + 22 33 #[derive(Debug, Deserialize, Serialize, PartialEq)] 23 34 pub struct StorageStats { 24 35 /// estimate of how many accounts we've seen create links. the _subjects_ of any links are not represented here. ··· 33 44 /// records with multiple links are single-counted. 34 45 /// for LSM stores, deleted links don't decrement this, and updated records with any links will likely increment it. 35 46 pub linking_records: u64, 47 47 + 48 48 + /// first jetstream cursor when this instance first started 49 49 + pub started_at: Option<u64>, 50 50 + 51 51 + /// anything else we want to throw in 52 52 + pub other_data: HashMap<String, u64>, 36 53 } 37 54 38 55 pub trait LinkStorage: Send + Sync { ··· 48 65 } 49 66 50 67 pub trait LinkReader: Clone + Send + Sync + 'static { 68 68 + #[allow(clippy::too_many_arguments)] 69 69 + fn get_many_to_many_counts( 70 70 + &self, 71 71 + target: &str, 72 72 + collection: &str, 73 73 + path: &str, 74 74 + path_to_other: &str, 75 75 + limit: u64, 76 76 + after: Option<String>, 77 77 + filter_dids: &HashSet<Did>, 78 78 + filter_to_targets: &HashSet<String>, 79 79 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>>; 80 80 + 51 81 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64>; 52 82 53 83 fn get_distinct_did_count(&self, target: &str, collection: &str, path: &str) -> Result<u64>; ··· 59 89 path: &str, 60 90 limit: u64, 61 91 until: Option<u64>, 92 92 + filter_dids: &HashSet<Did>, 62 93 ) -> Result<PagedAppendingCollection<RecordId>>; 63 94 64 95 fn get_distinct_dids( ··· 145 176 ); 146 177 assert_eq!(storage.get_distinct_did_count("", "", "")?, 0); 147 178 assert_eq!( 148 148 - storage.get_links("a.com", "app.t.c", ".abc.uri", 100, None)?, 179 179 + storage.get_links( 180 180 + "a.com", 181 181 + "app.t.c", 182 182 + ".abc.uri", 183 183 + 100, 184 184 + None, 185 185 + &HashSet::default() 186 186 + )?, 149 187 PagedAppendingCollection { 150 188 version: (0, 0), 151 189 items: vec![], ··· 641 679 0, 642 680 )?; 643 681 assert_eq!( 644 644 - storage.get_links("a.com", "app.t.c", ".abc.uri", 100, None)?, 682 682 + storage.get_links( 683 683 + "a.com", 684 684 + "app.t.c", 685 685 + ".abc.uri", 686 686 + 100, 687 687 + None, 688 688 + &HashSet::default() 689 689 + )?, 645 690 PagedAppendingCollection { 646 691 version: (1, 0), 647 692 items: vec![RecordId { ··· 682 727 0, 683 728 )?; 684 729 } 685 685 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 730 730 + let links = 731 731 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 686 732 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, None)?; 687 733 assert_eq!( 688 734 links, ··· 713 759 total: 5, 714 760 } 715 761 ); 716 716 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 762 762 + let links = storage.get_links( 763 763 + "a.com", 764 764 + "app.t.c", 765 765 + ".abc.uri", 766 766 + 2, 767 767 + links.next, 768 768 + &HashSet::default(), 769 769 + )?; 717 770 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, dids.next)?; 718 771 assert_eq!( 719 772 links, ··· 744 797 total: 5, 745 798 } 746 799 ); 747 747 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 800 800 + let links = storage.get_links( 801 801 + "a.com", 802 802 + "app.t.c", 803 803 + ".abc.uri", 804 804 + 2, 805 805 + links.next, 806 806 + &HashSet::default(), 807 807 + )?; 748 808 let dids = storage.get_distinct_dids("a.com", "app.t.c", ".abc.uri", 2, dids.next)?; 749 809 assert_eq!( 750 810 links, ··· 771 831 assert_stats(storage.get_stats()?, 5..=5, 1..=1, 5..=5); 772 832 }); 773 833 834 834 + test_each_storage!(get_filtered_links, |storage| { 835 835 + let links = storage.get_links( 836 836 + "a.com", 837 837 + "app.t.c", 838 838 + ".abc.uri", 839 839 + 2, 840 840 + None, 841 841 + &HashSet::from([Did("did:plc:linker".to_string())]), 842 842 + )?; 843 843 + assert_eq!( 844 844 + links, 845 845 + PagedAppendingCollection { 846 846 + version: (0, 0), 847 847 + items: vec![], 848 848 + next: None, 849 849 + total: 0, 850 850 + } 851 851 + ); 852 852 + 853 853 + storage.push( 854 854 + &ActionableEvent::CreateLinks { 855 855 + record_id: RecordId { 856 856 + did: "did:plc:linker".into(), 857 857 + collection: "app.t.c".into(), 858 858 + rkey: "asdf".into(), 859 859 + }, 860 860 + links: vec![CollectedLink { 861 861 + target: Link::Uri("a.com".into()), 862 862 + path: ".abc.uri".into(), 863 863 + }], 864 864 + }, 865 865 + 0, 866 866 + )?; 867 867 + 868 868 + let links = storage.get_links( 869 869 + "a.com", 870 870 + "app.t.c", 871 871 + ".abc.uri", 872 872 + 2, 873 873 + None, 874 874 + &HashSet::from([Did("did:plc:linker".to_string())]), 875 875 + )?; 876 876 + assert_eq!( 877 877 + links, 878 878 + PagedAppendingCollection { 879 879 + version: (1, 0), 880 880 + items: vec![RecordId { 881 881 + did: "did:plc:linker".into(), 882 882 + collection: "app.t.c".into(), 883 883 + rkey: "asdf".into(), 884 884 + },], 885 885 + next: None, 886 886 + total: 1, 887 887 + } 888 888 + ); 889 889 + 890 890 + let links = storage.get_links( 891 891 + "a.com", 892 892 + "app.t.c", 893 893 + ".abc.uri", 894 894 + 2, 895 895 + None, 896 896 + &HashSet::from([Did("did:plc:someone-else".to_string())]), 897 897 + )?; 898 898 + assert_eq!( 899 899 + links, 900 900 + PagedAppendingCollection { 901 901 + version: (0, 0), 902 902 + items: vec![], 903 903 + next: None, 904 904 + total: 0, 905 905 + } 906 906 + ); 907 907 + 908 908 + storage.push( 909 909 + &ActionableEvent::CreateLinks { 910 910 + record_id: RecordId { 911 911 + did: "did:plc:linker".into(), 912 912 + collection: "app.t.c".into(), 913 913 + rkey: "asdf-2".into(), 914 914 + }, 915 915 + links: vec![CollectedLink { 916 916 + target: Link::Uri("a.com".into()), 917 917 + path: ".abc.uri".into(), 918 918 + }], 919 919 + }, 920 920 + 0, 921 921 + )?; 922 922 + storage.push( 923 923 + &ActionableEvent::CreateLinks { 924 924 + record_id: RecordId { 925 925 + did: "did:plc:someone-else".into(), 926 926 + collection: "app.t.c".into(), 927 927 + rkey: "asdf".into(), 928 928 + }, 929 929 + links: vec![CollectedLink { 930 930 + target: Link::Uri("a.com".into()), 931 931 + path: ".abc.uri".into(), 932 932 + }], 933 933 + }, 934 934 + 0, 935 935 + )?; 936 936 + 937 937 + let links = storage.get_links( 938 938 + "a.com", 939 939 + "app.t.c", 940 940 + ".abc.uri", 941 941 + 2, 942 942 + None, 943 943 + &HashSet::from([Did("did:plc:linker".to_string())]), 944 944 + )?; 945 945 + assert_eq!( 946 946 + links, 947 947 + PagedAppendingCollection { 948 948 + version: (2, 0), 949 949 + items: vec![ 950 950 + RecordId { 951 951 + did: "did:plc:linker".into(), 952 952 + collection: "app.t.c".into(), 953 953 + rkey: "asdf-2".into(), 954 954 + }, 955 955 + RecordId { 956 956 + did: "did:plc:linker".into(), 957 957 + collection: "app.t.c".into(), 958 958 + rkey: "asdf".into(), 959 959 + }, 960 960 + ], 961 961 + next: None, 962 962 + total: 2, 963 963 + } 964 964 + ); 965 965 + 966 966 + let links = storage.get_links( 967 967 + "a.com", 968 968 + "app.t.c", 969 969 + ".abc.uri", 970 970 + 2, 971 971 + None, 972 972 + &HashSet::from([ 973 973 + Did("did:plc:linker".to_string()), 974 974 + Did("did:plc:someone-else".to_string()), 975 975 + ]), 976 976 + )?; 977 977 + assert_eq!( 978 978 + links, 979 979 + PagedAppendingCollection { 980 980 + version: (3, 0), 981 981 + items: vec![ 982 982 + RecordId { 983 983 + did: "did:plc:someone-else".into(), 984 984 + collection: "app.t.c".into(), 985 985 + rkey: "asdf".into(), 986 986 + }, 987 987 + RecordId { 988 988 + did: "did:plc:linker".into(), 989 989 + collection: "app.t.c".into(), 990 990 + rkey: "asdf-2".into(), 991 991 + }, 992 992 + ], 993 993 + next: Some(1), 994 994 + total: 3, 995 995 + } 996 996 + ); 997 997 + 998 998 + let links = storage.get_links( 999 999 + "a.com", 1000 1000 + "app.t.c", 1001 1001 + ".abc.uri", 1002 1002 + 2, 1003 1003 + None, 1004 1004 + &HashSet::from([Did("did:plc:someone-unknown".to_string())]), 1005 1005 + )?; 1006 1006 + assert_eq!( 1007 1007 + links, 1008 1008 + PagedAppendingCollection { 1009 1009 + version: (0, 0), 1010 1010 + items: vec![], 1011 1011 + next: None, 1012 1012 + total: 0, 1013 1013 + } 1014 1014 + ); 1015 1015 + }); 1016 1016 + 774 1017 test_each_storage!(get_links_exact_multiple, |storage| { 775 1018 for i in 1..=4 { 776 1019 storage.push( ··· 788 1031 0, 789 1032 )?; 790 1033 } 791 791 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 1034 1034 + let links = 1035 1035 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 792 1036 assert_eq!( 793 1037 links, 794 1038 PagedAppendingCollection { ··· 809 1053 total: 4, 810 1054 } 811 1055 ); 812 812 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 1056 1056 + let links = storage.get_links( 1057 1057 + "a.com", 1058 1058 + "app.t.c", 1059 1059 + ".abc.uri", 1060 1060 + 2, 1061 1061 + links.next, 1062 1062 + &HashSet::default(), 1063 1063 + )?; 813 1064 assert_eq!( 814 1065 links, 815 1066 PagedAppendingCollection { ··· 850 1101 0, 851 1102 )?; 852 1103 } 853 853 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 1104 1104 + let links = 1105 1105 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 854 1106 assert_eq!( 855 1107 links, 856 1108 PagedAppendingCollection { ··· 885 1137 }, 886 1138 0, 887 1139 )?; 888 888 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 1140 1140 + let links = storage.get_links( 1141 1141 + "a.com", 1142 1142 + "app.t.c", 1143 1143 + ".abc.uri", 1144 1144 + 2, 1145 1145 + links.next, 1146 1146 + &HashSet::default(), 1147 1147 + )?; 889 1148 assert_eq!( 890 1149 links, 891 1150 PagedAppendingCollection { ··· 926 1185 0, 927 1186 )?; 928 1187 } 929 929 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 1188 1188 + let links = 1189 1189 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 930 1190 assert_eq!( 931 1191 links, 932 1192 PagedAppendingCollection { ··· 955 1215 }), 956 1216 0, 957 1217 )?; 958 958 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 1218 1218 + let links = storage.get_links( 1219 1219 + "a.com", 1220 1220 + "app.t.c", 1221 1221 + ".abc.uri", 1222 1222 + 2, 1223 1223 + links.next, 1224 1224 + &HashSet::default(), 1225 1225 + )?; 959 1226 assert_eq!( 960 1227 links, 961 1228 PagedAppendingCollection { ··· 989 1256 0, 990 1257 )?; 991 1258 } 992 992 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 1259 1259 + let links = 1260 1260 + storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None, &HashSet::default())?; 993 1261 assert_eq!( 994 1262 links, 995 1263 PagedAppendingCollection { ··· 1014 1282 &ActionableEvent::DeactivateAccount("did:plc:asdf-1".into()), 1015 1283 0, 1016 1284 )?; 1017 1017 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 1285 1285 + let links = storage.get_links( 1286 1286 + "a.com", 1287 1287 + "app.t.c", 1288 1288 + ".abc.uri", 1289 1289 + 2, 1290 1290 + links.next, 1291 1291 + &HashSet::default(), 1292 1292 + )?; 1018 1293 assert_eq!( 1019 1294 links, 1020 1295 PagedAppendingCollection { ··· 1081 1356 counts 1082 1357 }); 1083 1358 assert_stats(storage.get_stats()?, 1..=1, 2..=2, 1..=1); 1359 1359 + }); 1360 1360 + 1361 1361 + //////// many-to-many ///////// 1362 1362 + 1363 1363 + test_each_storage!(get_m2m_counts_empty, |storage| { 1364 1364 + assert_eq!( 1365 1365 + storage.get_many_to_many_counts( 1366 1366 + "a.com", 1367 1367 + "a.b.c", 1368 1368 + ".d.e", 1369 1369 + ".f.g", 1370 1370 + 10, 1371 1371 + None, 1372 1372 + &HashSet::new(), 1373 1373 + &HashSet::new(), 1374 1374 + )?, 1375 1375 + PagedOrderedCollection { 1376 1376 + items: vec![], 1377 1377 + next: None, 1378 1378 + } 1379 1379 + ); 1380 1380 + }); 1381 1381 + 1382 1382 + test_each_storage!(get_m2m_counts_single, |storage| { 1383 1383 + storage.push( 1384 1384 + &ActionableEvent::CreateLinks { 1385 1385 + record_id: RecordId { 1386 1386 + did: "did:plc:asdf".into(), 1387 1387 + collection: "app.t.c".into(), 1388 1388 + rkey: "asdf".into(), 1389 1389 + }, 1390 1390 + links: vec![ 1391 1391 + CollectedLink { 1392 1392 + target: Link::Uri("a.com".into()), 1393 1393 + path: ".abc.uri".into(), 1394 1394 + }, 1395 1395 + CollectedLink { 1396 1396 + target: Link::Uri("b.com".into()), 1397 1397 + path: ".def.uri".into(), 1398 1398 + }, 1399 1399 + CollectedLink { 1400 1400 + target: Link::Uri("b.com".into()), 1401 1401 + path: ".ghi.uri".into(), 1402 1402 + }, 1403 1403 + ], 1404 1404 + }, 1405 1405 + 0, 1406 1406 + )?; 1407 1407 + assert_eq!( 1408 1408 + storage.get_many_to_many_counts( 1409 1409 + "a.com", 1410 1410 + "app.t.c", 1411 1411 + ".abc.uri", 1412 1412 + ".def.uri", 1413 1413 + 10, 1414 1414 + None, 1415 1415 + &HashSet::new(), 1416 1416 + &HashSet::new(), 1417 1417 + )?, 1418 1418 + PagedOrderedCollection { 1419 1419 + items: vec![("b.com".to_string(), 1, 1)], 1420 1420 + next: None, 1421 1421 + } 1422 1422 + ); 1423 1423 + }); 1424 1424 + 1425 1425 + test_each_storage!(get_m2m_counts_filters, |storage| { 1426 1426 + storage.push( 1427 1427 + &ActionableEvent::CreateLinks { 1428 1428 + record_id: RecordId { 1429 1429 + did: "did:plc:asdf".into(), 1430 1430 + collection: "app.t.c".into(), 1431 1431 + rkey: "asdf".into(), 1432 1432 + }, 1433 1433 + links: vec![ 1434 1434 + CollectedLink { 1435 1435 + target: Link::Uri("a.com".into()), 1436 1436 + path: ".abc.uri".into(), 1437 1437 + }, 1438 1438 + CollectedLink { 1439 1439 + target: Link::Uri("b.com".into()), 1440 1440 + path: ".def.uri".into(), 1441 1441 + }, 1442 1442 + ], 1443 1443 + }, 1444 1444 + 0, 1445 1445 + )?; 1446 1446 + storage.push( 1447 1447 + &ActionableEvent::CreateLinks { 1448 1448 + record_id: RecordId { 1449 1449 + did: "did:plc:asdfasdf".into(), 1450 1450 + collection: "app.t.c".into(), 1451 1451 + rkey: "asdf".into(), 1452 1452 + }, 1453 1453 + links: vec![ 1454 1454 + CollectedLink { 1455 1455 + target: Link::Uri("a.com".into()), 1456 1456 + path: ".abc.uri".into(), 1457 1457 + }, 1458 1458 + CollectedLink { 1459 1459 + target: Link::Uri("b.com".into()), 1460 1460 + path: ".def.uri".into(), 1461 1461 + }, 1462 1462 + ], 1463 1463 + }, 1464 1464 + 1, 1465 1465 + )?; 1466 1466 + storage.push( 1467 1467 + &ActionableEvent::CreateLinks { 1468 1468 + record_id: RecordId { 1469 1469 + did: "did:plc:fdsa".into(), 1470 1470 + collection: "app.t.c".into(), 1471 1471 + rkey: "asdf".into(), 1472 1472 + }, 1473 1473 + links: vec![ 1474 1474 + CollectedLink { 1475 1475 + target: Link::Uri("a.com".into()), 1476 1476 + path: ".abc.uri".into(), 1477 1477 + }, 1478 1478 + CollectedLink { 1479 1479 + target: Link::Uri("c.com".into()), 1480 1480 + path: ".def.uri".into(), 1481 1481 + }, 1482 1482 + ], 1483 1483 + }, 1484 1484 + 2, 1485 1485 + )?; 1486 1486 + storage.push( 1487 1487 + &ActionableEvent::CreateLinks { 1488 1488 + record_id: RecordId { 1489 1489 + did: "did:plc:fdsa".into(), 1490 1490 + collection: "app.t.c".into(), 1491 1491 + rkey: "asdf2".into(), 1492 1492 + }, 1493 1493 + links: vec![ 1494 1494 + CollectedLink { 1495 1495 + target: Link::Uri("a.com".into()), 1496 1496 + path: ".abc.uri".into(), 1497 1497 + }, 1498 1498 + CollectedLink { 1499 1499 + target: Link::Uri("c.com".into()), 1500 1500 + path: ".def.uri".into(), 1501 1501 + }, 1502 1502 + ], 1503 1503 + }, 1504 1504 + 3, 1505 1505 + )?; 1506 1506 + assert_eq!( 1507 1507 + storage.get_many_to_many_counts( 1508 1508 + "a.com", 1509 1509 + "app.t.c", 1510 1510 + ".abc.uri", 1511 1511 + ".def.uri", 1512 1512 + 10, 1513 1513 + None, 1514 1514 + &HashSet::new(), 1515 1515 + &HashSet::new(), 1516 1516 + )?, 1517 1517 + PagedOrderedCollection { 1518 1518 + items: vec![("b.com".to_string(), 2, 2), ("c.com".to_string(), 2, 1),], 1519 1519 + next: None, 1520 1520 + } 1521 1521 + ); 1522 1522 + assert_eq!( 1523 1523 + storage.get_many_to_many_counts( 1524 1524 + "a.com", 1525 1525 + "app.t.c", 1526 1526 + ".abc.uri", 1527 1527 + ".def.uri", 1528 1528 + 10, 1529 1529 + None, 1530 1530 + &HashSet::from_iter([Did("did:plc:fdsa".to_string())]), 1531 1531 + &HashSet::new(), 1532 1532 + )?, 1533 1533 + PagedOrderedCollection { 1534 1534 + items: vec![("c.com".to_string(), 2, 1),], 1535 1535 + next: None, 1536 1536 + } 1537 1537 + ); 1538 1538 + assert_eq!( 1539 1539 + storage.get_many_to_many_counts( 1540 1540 + "a.com", 1541 1541 + "app.t.c", 1542 1542 + ".abc.uri", 1543 1543 + ".def.uri", 1544 1544 + 10, 1545 1545 + None, 1546 1546 + &HashSet::new(), 1547 1547 + &HashSet::from_iter(["b.com".to_string()]), 1548 1548 + )?, 1549 1549 + PagedOrderedCollection { 1550 1550 + items: vec![("b.com".to_string(), 2, 2),], 1551 1551 + next: None, 1552 1552 + } 1553 1553 + ); 1084 1554 }); 1085 1555 }

+361 -41

constellation/src/storage/rocks_store.rs

··· 1 1 - use super::{ActionableEvent, LinkReader, LinkStorage, PagedAppendingCollection, StorageStats}; 1 1 + use super::{ 2 2 + ActionableEvent, LinkReader, LinkStorage, PagedAppendingCollection, PagedOrderedCollection, 3 3 + StorageStats, 4 4 + }; 2 5 use crate::{CountsByCount, Did, RecordId}; 3 6 use anyhow::{bail, Result}; 4 7 use bincode::Options as BincodeOptions; ··· 11 14 MultiThreaded, Options, PrefixRange, ReadOptions, WriteBatch, 12 15 }; 13 16 use serde::{Deserialize, Serialize}; 14 14 - use std::collections::{HashMap, HashSet}; 17 17 + use std::collections::{BTreeMap, HashMap, HashSet}; 15 18 use std::io::Read; 16 19 use std::marker::PhantomData; 17 20 use std::path::{Path, PathBuf}; ··· 20 23 Arc, 21 24 }; 22 25 use std::thread; 23 23 - use std::time::{Duration, Instant}; 26 26 + use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH}; 24 27 use tokio_util::sync::CancellationToken; 25 28 26 29 static DID_IDS_CF: &str = "did_ids"; ··· 29 32 static LINK_TARGETS_CF: &str = "link_targets"; 30 33 31 34 static JETSTREAM_CURSOR_KEY: &str = "jetstream_cursor"; 35 35 + static STARTED_AT_KEY: &str = "jetstream_first_cursor"; 36 36 + // add reverse mappings for targets if this db was running before that was a thing 37 37 + static TARGET_ID_REPAIR_STATE_KEY: &str = "target_id_table_repair_state"; 38 38 + 39 39 + static COZY_FIRST_CURSOR: u64 = 1_738_083_600_000_000; // constellation.microcosm.blue started 40 40 + 41 41 + #[derive(Debug, Clone, Serialize, Deserialize)] 42 42 + struct TargetIdRepairState { 43 43 + /// start time for repair, microseconds timestamp 44 44 + current_us_started_at: u64, 45 45 + /// id table's latest id when repair started 46 46 + id_when_started: u64, 47 47 + /// id table id 48 48 + latest_repaired_i: u64, 49 49 + } 50 50 + impl AsRocksValue for TargetIdRepairState {} 51 51 + impl ValueFromRocks for TargetIdRepairState {} 32 52 33 53 // todo: actually understand and set these options probably better 34 54 fn rocks_opts_base() -> Options { ··· 56 76 #[derive(Debug, Clone)] 57 77 pub struct RocksStorage { 58 78 pub db: Arc<DBWithThreadMode<MultiThreaded>>, // TODO: mov seqs here (concat merge op will be fun) 59 59 - did_id_table: IdTable<Did, DidIdValue, true>, 60 60 - target_id_table: IdTable<TargetKey, TargetId, false>, 79 79 + did_id_table: IdTable<Did, DidIdValue>, 80 80 + target_id_table: IdTable<TargetKey, TargetId>, 61 81 is_writer: bool, 62 82 backup_task: Arc<Option<thread::JoinHandle<Result<()>>>>, 63 83 } ··· 85 105 fn cf_descriptor(&self) -> ColumnFamilyDescriptor { 86 106 ColumnFamilyDescriptor::new(&self.name, rocks_opts_base()) 87 107 } 88 88 - fn init<const WITH_REVERSE: bool>( 89 89 - self, 90 90 - db: &DBWithThreadMode<MultiThreaded>, 91 91 - ) -> Result<IdTable<Orig, IdVal, WITH_REVERSE>> { 108 108 + fn init(self, db: &DBWithThreadMode<MultiThreaded>) -> Result<IdTable<Orig, IdVal>> { 92 109 if db.cf_handle(&self.name).is_none() { 93 110 bail!("failed to get cf handle from db -- was the db open with our .cf_descriptor()?"); 94 111 } ··· 119 136 } 120 137 } 121 138 #[derive(Debug, Clone)] 122 122 - struct IdTable<Orig, IdVal: IdTableValue, const WITH_REVERSE: bool> 139 139 + struct IdTable<Orig, IdVal: IdTableValue> 123 140 where 124 141 Orig: KeyFromRocks, 125 142 for<'a> &'a Orig: AsRocksKey, ··· 127 144 base: IdTableBase<Orig, IdVal>, 128 145 priv_id_seq: u64, 129 146 } 130 130 - impl<Orig: Clone, IdVal: IdTableValue, const WITH_REVERSE: bool> IdTable<Orig, IdVal, WITH_REVERSE> 147 147 + impl<Orig: Clone, IdVal: IdTableValue> IdTable<Orig, IdVal> 131 148 where 132 149 Orig: KeyFromRocks, 133 150 for<'v> &'v IdVal: AsRocksValue, ··· 139 156 _key_marker: PhantomData, 140 157 _val_marker: PhantomData, 141 158 name: name.into(), 142 142 - id_seq: Arc::new(AtomicU64::new(0)), // zero is "uninint", first seq num will be 1 159 159 + id_seq: Arc::new(AtomicU64::new(0)), // zero is "uninit", first seq num will be 1 143 160 } 144 161 } 145 162 fn get_id_val( ··· 178 195 id_value 179 196 })) 180 197 } 198 198 + 181 199 fn estimate_count(&self) -> u64 { 182 200 self.base.id_seq.load(Ordering::SeqCst) - 1 // -1 because seq zero is reserved 183 201 } 184 184 - } 185 185 - impl<Orig: Clone, IdVal: IdTableValue> IdTable<Orig, IdVal, true> 186 186 - where 187 187 - Orig: KeyFromRocks, 188 188 - for<'v> &'v IdVal: AsRocksValue, 189 189 - for<'k> &'k Orig: AsRocksKey, 190 190 - { 202 202 + 191 203 fn get_or_create_id_val( 192 204 &mut self, 193 205 db: &DBWithThreadMode<MultiThreaded>, ··· 215 227 } 216 228 } 217 229 } 218 218 - impl<Orig: Clone, IdVal: IdTableValue> IdTable<Orig, IdVal, false> 219 219 - where 220 220 - Orig: KeyFromRocks, 221 221 - for<'v> &'v IdVal: AsRocksValue, 222 222 - for<'k> &'k Orig: AsRocksKey, 223 223 - { 224 224 - fn get_or_create_id_val( 225 225 - &mut self, 226 226 - db: &DBWithThreadMode<MultiThreaded>, 227 227 - batch: &mut WriteBatch, 228 228 - orig: &Orig, 229 229 - ) -> Result<IdVal> { 230 230 - let cf = db.cf_handle(&self.base.name).unwrap(); 231 231 - self.__get_or_create_id_val(&cf, db, batch, orig) 232 232 - } 233 233 - } 234 230 235 231 impl IdTableValue for DidIdValue { 236 232 fn new(v: u64) -> Self { ··· 249 245 } 250 246 } 251 247 248 248 + fn now() -> u64 { 249 249 + SystemTime::now() 250 250 + .duration_since(UNIX_EPOCH) 251 251 + .unwrap() 252 252 + .as_micros() as u64 253 253 + } 254 254 + 252 255 impl RocksStorage { 253 256 pub fn new(path: impl AsRef<Path>) -> Result<Self> { 254 257 Self::describe_metrics(); 255 255 - RocksStorage::open_readmode(path, false) 258 258 + let me = RocksStorage::open_readmode(path, false)?; 259 259 + me.global_init()?; 260 260 + Ok(me) 256 261 } 257 262 258 263 pub fn open_readonly(path: impl AsRef<Path>) -> Result<Self> { ··· 260 265 } 261 266 262 267 fn open_readmode(path: impl AsRef<Path>, readonly: bool) -> Result<Self> { 263 263 - let did_id_table = IdTable::<_, _, true>::setup(DID_IDS_CF); 264 264 - let target_id_table = IdTable::<_, _, false>::setup(TARGET_IDS_CF); 268 268 + let did_id_table = IdTable::setup(DID_IDS_CF); 269 269 + let target_id_table = IdTable::setup(TARGET_IDS_CF); 265 270 271 271 + // note: global stuff like jetstream cursor goes in the default cf 272 272 + // these are bonus extra cfs 266 273 let cfs = vec![ 267 274 // id reference tables 268 275 did_id_table.cf_descriptor(), ··· 296 303 is_writer: !readonly, 297 304 backup_task: None.into(), 298 305 }) 306 306 + } 307 307 + 308 308 + fn global_init(&self) -> Result<()> { 309 309 + let first_run = self.db.get(JETSTREAM_CURSOR_KEY)?.is_some(); 310 310 + if first_run { 311 311 + self.db.put(STARTED_AT_KEY, _rv(now()))?; 312 312 + 313 313 + // hack / temporary: if we're a new db, put in a completed repair 314 314 + // state so we don't run repairs (repairs are for old-code dbs) 315 315 + let completed = TargetIdRepairState { 316 316 + id_when_started: 0, 317 317 + current_us_started_at: 0, 318 318 + latest_repaired_i: 0, 319 319 + }; 320 320 + self.db.put(TARGET_ID_REPAIR_STATE_KEY, _rv(completed))?; 321 321 + } 322 322 + Ok(()) 323 323 + } 324 324 + 325 325 + pub fn run_repair(&self, breather: Duration, stay_alive: CancellationToken) -> Result<bool> { 326 326 + let mut state = match self 327 327 + .db 328 328 + .get(TARGET_ID_REPAIR_STATE_KEY)? 329 329 + .map(|s| _vr(&s)) 330 330 + .transpose()? 331 331 + { 332 332 + Some(s) => s, 333 333 + None => TargetIdRepairState { 334 334 + id_when_started: self.did_id_table.priv_id_seq, 335 335 + current_us_started_at: now(), 336 336 + latest_repaired_i: 0, 337 337 + }, 338 338 + }; 339 339 + 340 340 + eprintln!("initial repair state: {state:?}"); 341 341 + 342 342 + let cf = self.db.cf_handle(TARGET_IDS_CF).unwrap(); 343 343 + 344 344 + let mut iter = self.db.raw_iterator_cf(&cf); 345 345 + iter.seek_to_first(); 346 346 + 347 347 + eprintln!("repair iterator sent to first key"); 348 348 + 349 349 + // skip ahead if we're done some, or take a single first step 350 350 + for _ in 0..state.latest_repaired_i { 351 351 + iter.next(); 352 352 + } 353 353 + 354 354 + eprintln!( 355 355 + "repair iterator skipped to {}th key", 356 356 + state.latest_repaired_i 357 357 + ); 358 358 + 359 359 + let mut maybe_done = false; 360 360 + 361 361 + let mut write_fast = rocksdb::WriteOptions::default(); 362 362 + write_fast.set_sync(false); 363 363 + write_fast.disable_wal(true); 364 364 + 365 365 + while !stay_alive.is_cancelled() && !maybe_done { 366 366 + // let mut batch = WriteBatch::default(); 367 367 + 368 368 + let mut any_written = false; 369 369 + 370 370 + for _ in 0..1000 { 371 371 + if state.latest_repaired_i % 1_000_000 == 0 { 372 372 + eprintln!("target iter at {}", state.latest_repaired_i); 373 373 + } 374 374 + state.latest_repaired_i += 1; 375 375 + 376 376 + if !iter.valid() { 377 377 + eprintln!("invalid iter, are we done repairing?"); 378 378 + maybe_done = true; 379 379 + break; 380 380 + }; 381 381 + 382 382 + // eprintln!("iterator seems to be valid! getting the key..."); 383 383 + let raw_key = iter.key().unwrap(); 384 384 + if raw_key.len() == 8 { 385 385 + // eprintln!("found an 8-byte key, skipping it since it's probably an id..."); 386 386 + iter.next(); 387 387 + continue; 388 388 + } 389 389 + let target: TargetKey = _kr::<TargetKey>(raw_key)?; 390 390 + let target_id: TargetId = _vr(iter.value().unwrap())?; 391 391 + 392 392 + self.db 393 393 + .put_cf_opt(&cf, target_id.id().to_be_bytes(), _rv(&target), &write_fast)?; 394 394 + any_written = true; 395 395 + iter.next(); 396 396 + } 397 397 + 398 398 + if any_written { 399 399 + self.db 400 400 + .put(TARGET_ID_REPAIR_STATE_KEY, _rv(state.clone()))?; 401 401 + std::thread::sleep(breather); 402 402 + } 403 403 + } 404 404 + 405 405 + eprintln!("repair iterator done."); 406 406 + 407 407 + Ok(false) 299 408 } 300 409 301 410 pub fn start_backup( ··· 826 935 } 827 936 828 937 impl LinkReader for RocksStorage { 938 938 + fn get_many_to_many_counts( 939 939 + &self, 940 940 + target: &str, 941 941 + collection: &str, 942 942 + path: &str, 943 943 + path_to_other: &str, 944 944 + limit: u64, 945 945 + after: Option<String>, 946 946 + filter_dids: &HashSet<Did>, 947 947 + filter_to_targets: &HashSet<String>, 948 948 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>> { 949 949 + let collection = Collection(collection.to_string()); 950 950 + let path = RPath(path.to_string()); 951 951 + 952 952 + let target_key = TargetKey(Target(target.to_string()), collection.clone(), path.clone()); 953 953 + 954 954 + // unfortunately the cursor is a, uh, stringified number. 955 955 + // this was easier for the memstore (plain target, not target id), and 956 956 + // making it generic is a bit awful. 957 957 + // so... parse the number out of a string here :( 958 958 + // TODO: this should bubble up to a BAD_REQUEST response 959 959 + let after = after.map(|s| s.parse::<u64>().map(TargetId)).transpose()?; 960 960 + 961 961 + let Some(target_id) = self.target_id_table.get_id_val(&self.db, &target_key)? else { 962 962 + eprintln!("nothin doin for this target, {target_key:?}"); 963 963 + return Ok(Default::default()); 964 964 + }; 965 965 + 966 966 + let filter_did_ids: HashMap<DidId, bool> = filter_dids 967 967 + .iter() 968 968 + .filter_map(|did| self.did_id_table.get_id_val(&self.db, did).transpose()) 969 969 + .collect::<Result<Vec<DidIdValue>>>()? 970 970 + .into_iter() 971 971 + .map(|DidIdValue(id, active)| (id, active)) 972 972 + .collect(); 973 973 + 974 974 + // stored targets are keyed by triples of (target, collection, path). 975 975 + // target filtering only consideres the target itself, so we actually 976 976 + // need to do a prefix iteration of all target ids for this target and 977 977 + // keep them all. 978 978 + // i *think* the number of keys at a target prefix should usually be 979 979 + // pretty small, so this is hopefully fine. but if it turns out to be 980 980 + // large, we can push this filtering back into the main links loop and 981 981 + // do forward db queries per backlink to get the raw target back out. 982 982 + let mut filter_to_target_ids: HashSet<TargetId> = HashSet::new(); 983 983 + for t in filter_to_targets { 984 984 + for (_, target_id) in self.iter_targets_for_target(&Target(t.to_string())) { 985 985 + filter_to_target_ids.insert(target_id); 986 986 + } 987 987 + } 988 988 + 989 989 + let linkers = self.get_target_linkers(&target_id)?; 990 990 + 991 991 + let mut grouped_counts: BTreeMap<TargetId, (u64, HashSet<DidId>)> = BTreeMap::new(); 992 992 + 993 993 + for (did_id, rkey) in linkers.0 { 994 994 + if did_id.is_empty() { 995 995 + continue; 996 996 + } 997 997 + 998 998 + if !filter_did_ids.is_empty() && filter_did_ids.get(&did_id) != Some(&true) { 999 999 + continue; 1000 1000 + } 1001 1001 + 1002 1002 + let record_link_key = RecordLinkKey(did_id, collection.clone(), rkey); 1003 1003 + let Some(targets) = self.get_record_link_targets(&record_link_key)? else { 1004 1004 + continue; 1005 1005 + }; 1006 1006 + 1007 1007 + let Some(fwd_target) = targets 1008 1008 + .0 1009 1009 + .into_iter() 1010 1010 + .filter_map(|RecordLinkTarget(rpath, target_id)| { 1011 1011 + if rpath.0 == path_to_other 1012 1012 + && (filter_to_target_ids.is_empty() 1013 1013 + || filter_to_target_ids.contains(&target_id)) 1014 1014 + { 1015 1015 + Some(target_id) 1016 1016 + } else { 1017 1017 + None 1018 1018 + } 1019 1019 + }) 1020 1020 + .take(1) 1021 1021 + .next() 1022 1022 + else { 1023 1023 + eprintln!("no forward match"); 1024 1024 + continue; 1025 1025 + }; 1026 1026 + 1027 1027 + // small relief: we page over target ids, so we can already bail 1028 1028 + // reprocessing previous pages here 1029 1029 + if after.as_ref().map(|a| fwd_target <= *a).unwrap_or(false) { 1030 1030 + continue; 1031 1031 + } 1032 1032 + 1033 1033 + // aand we can skip target ids that must be on future pages 1034 1034 + // (this check continues after the did-lookup, which we have to do) 1035 1035 + let page_is_full = grouped_counts.len() as u64 >= limit; 1036 1036 + if page_is_full { 1037 1037 + let current_max = grouped_counts.keys().next_back().unwrap(); // limit should be non-zero bleh 1038 1038 + if fwd_target > *current_max { 1039 1039 + continue; 1040 1040 + } 1041 1041 + } 1042 1042 + 1043 1043 + // bit painful: 2-step lookup to make sure this did is active 1044 1044 + let Some(did) = self.did_id_table.get_val_from_id(&self.db, did_id.0)? else { 1045 1045 + eprintln!("failed to look up did from did_id {did_id:?}"); 1046 1046 + continue; 1047 1047 + }; 1048 1048 + let Some(DidIdValue(_, active)) = self.did_id_table.get_id_val(&self.db, &did)? else { 1049 1049 + eprintln!("failed to look up did_value from did_id {did_id:?}: {did:?}: data consistency bug?"); 1050 1050 + continue; 1051 1051 + }; 1052 1052 + if !active { 1053 1053 + continue; 1054 1054 + } 1055 1055 + 1056 1056 + // page-management, continued 1057 1057 + // if we have a full page, and we're inserting a *new* key less than 1058 1058 + // the current max, then we can evict the current max 1059 1059 + let mut should_evict = false; 1060 1060 + let entry = grouped_counts.entry(fwd_target.clone()).or_insert_with(|| { 1061 1061 + // this is a *new* key, so kick the max if we're full 1062 1062 + should_evict = page_is_full; 1063 1063 + Default::default() 1064 1064 + }); 1065 1065 + entry.0 += 1; 1066 1066 + entry.1.insert(did_id); 1067 1067 + 1068 1068 + if should_evict { 1069 1069 + grouped_counts.pop_last(); 1070 1070 + } 1071 1071 + } 1072 1072 + 1073 1073 + let mut items: Vec<(String, u64, u64)> = Vec::with_capacity(grouped_counts.len()); 1074 1074 + for (target_id, (n, dids)) in &grouped_counts { 1075 1075 + let Some(target) = self 1076 1076 + .target_id_table 1077 1077 + .get_val_from_id(&self.db, target_id.0)? 1078 1078 + else { 1079 1079 + eprintln!("failed to look up target from target_id {target_id:?}"); 1080 1080 + continue; 1081 1081 + }; 1082 1082 + items.push((target.0 .0, *n, dids.len() as u64)); 1083 1083 + } 1084 1084 + 1085 1085 + let next = if grouped_counts.len() as u64 >= limit { 1086 1086 + // yeah.... it's a number saved as a string......sorry 1087 1087 + grouped_counts 1088 1088 + .keys() 1089 1089 + .next_back() 1090 1090 + .map(|k| format!("{}", k.0)) 1091 1091 + } else { 1092 1092 + None 1093 1093 + }; 1094 1094 + 1095 1095 + Ok(PagedOrderedCollection { items, next }) 1096 1096 + } 1097 1097 + 829 1098 fn get_count(&self, target: &str, collection: &str, path: &str) -> Result<u64> { 830 1099 let target_key = TargetKey( 831 1100 Target(target.to_string()), ··· 860 1129 path: &str, 861 1130 limit: u64, 862 1131 until: Option<u64>, 1132 1132 + filter_dids: &HashSet<Did>, 863 1133 ) -> Result<PagedAppendingCollection<RecordId>> { 864 1134 let target_key = TargetKey( 865 1135 Target(target.to_string()), ··· 876 1146 }); 877 1147 }; 878 1148 879 879 - let linkers = self.get_target_linkers(&target_id)?; 1149 1149 + let mut linkers = self.get_target_linkers(&target_id)?; 1150 1150 + if !filter_dids.is_empty() { 1151 1151 + let mut did_filter = HashSet::new(); 1152 1152 + for did in filter_dids { 1153 1153 + let Some(DidIdValue(did_id, active)) = 1154 1154 + self.did_id_table.get_id_val(&self.db, did)? 1155 1155 + else { 1156 1156 + eprintln!("failed to find a did_id for {did:?}"); 1157 1157 + continue; 1158 1158 + }; 1159 1159 + if !active { 1160 1160 + eprintln!("excluding inactive did from filtered results"); 1161 1161 + continue; 1162 1162 + } 1163 1163 + did_filter.insert(did_id); 1164 1164 + } 1165 1165 + linkers.0.retain(|linker| did_filter.contains(&linker.0)); 1166 1166 + } 880 1167 881 1168 let (alive, gone) = linkers.count(); 882 1169 let total = alive + gone; ··· 1024 1311 .map(|s| s.parse::<u64>()) 1025 1312 .transpose()? 1026 1313 .unwrap_or(0); 1314 1314 + let started_at = self 1315 1315 + .db 1316 1316 + .get(STARTED_AT_KEY)? 1317 1317 + .map(|c| _vr(&c)) 1318 1318 + .transpose()? 1319 1319 + .unwrap_or(COZY_FIRST_CURSOR); 1320 1320 + 1321 1321 + let other_data = self 1322 1322 + .db 1323 1323 + .get(TARGET_ID_REPAIR_STATE_KEY)? 1324 1324 + .map(|s| _vr(&s)) 1325 1325 + .transpose()? 1326 1326 + .map( 1327 1327 + |TargetIdRepairState { 1328 1328 + current_us_started_at, 1329 1329 + id_when_started, 1330 1330 + latest_repaired_i, 1331 1331 + }| { 1332 1332 + HashMap::from([ 1333 1333 + ("current_us_started_at".to_string(), current_us_started_at), 1334 1334 + ("id_when_started".to_string(), id_when_started), 1335 1335 + ("latest_repaired_i".to_string(), latest_repaired_i), 1336 1336 + ]) 1337 1337 + }, 1338 1338 + ) 1339 1339 + .unwrap_or(HashMap::default()); 1340 1340 + 1027 1341 Ok(StorageStats { 1028 1342 dids, 1029 1343 targetables, 1030 1344 linking_records, 1345 1345 + started_at: Some(started_at), 1346 1346 + other_data, 1031 1347 }) 1032 1348 } 1033 1349 } ··· 1053 1369 impl AsRocksValue for &TargetId {} 1054 1370 impl KeyFromRocks for TargetKey {} 1055 1371 impl ValueFromRocks for TargetId {} 1372 1372 + 1373 1373 + // temp? 1374 1374 + impl KeyFromRocks for TargetId {} 1375 1375 + impl AsRocksValue for &TargetKey {} 1056 1376 1057 1377 // target_links table 1058 1378 impl AsRocksKey for &TargetId {} ··· 1124 1444 } 1125 1445 1126 1446 // target ids 1127 1127 - #[derive(Debug, Clone, Serialize, Deserialize)] 1447 1447 + #[derive(Debug, Clone, Serialize, Deserialize, PartialOrd, Ord, PartialEq, Eq, Hash)] 1128 1448 struct TargetId(u64); // key 1129 1449 1130 1130 - #[derive(Debug, Clone, Serialize, Deserialize)] 1450 1450 + #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)] 1131 1451 pub struct Target(pub String); // the actual target/uri 1132 1452 1133 1453 // targets (uris, dids, etc.): the reverse index

+54

constellation/templates/get-backlinks.html.j2

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

+67

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

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

+65 -7

constellation/templates/hello.html.j2

··· 19 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 20 21 21 <p> 22 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 23 - <small>(indexing new records in real time, backfill still TODO)</small> 22 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 23 + {%- if let Some(days) = days_indexed %} 24 24 + {{ days|human_number }} 25 25 + {% else %} 26 26 + ??? 27 27 + {% endif -%} 28 28 + </span> days.<br/> 29 29 + <small>(indexing new records in real time, backfill coming soon!)</small> 24 30 </p> 25 31 26 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> 32 32 + {# {% for k, v in stats.other_data.iter() %} 33 33 + <p><strong>{{ k }}</strong>: {{ v }}</p> 34 34 + {% endfor %} #} 35 35 + 36 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> 27 37 28 38 29 39 <h2>API Endpoints</h2> 30 40 41 41 + <h3 class="route"><code>GET /xrpc/blue.microcosm.links.getBacklinks</code></h3> 42 42 + 43 43 + <p>A list of records linking to any record, identity, or uri.</p> 44 44 + 45 45 + <h4>Query parameters:</h4> 46 46 + 47 47 + <ul> 48 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 49 + <li><p><code>source</code>: required. Example: <code>app.bsky.feed.like:subject.uri</code></p></li> 50 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 51 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 52 52 + </ul> 53 53 + 54 54 + <p style="margin-bottom: 0"><strong>Try it:</strong></p> 55 55 + {% call try_it::get_backlinks("at://did:plc:a4pqq234yw7fqbddawjo7y35/app.bsky.feed.post/3m237ilwc372e", "app.bsky.feed.like:subject.uri", [""], 16) %} 56 56 + 57 57 + 58 58 + <h3 class="route"><code>GET /xrpc/blue.microcosm.links.getManyToManyCounts</code></h3> 59 59 + 60 60 + <p>TODO: description</p> 61 61 + 62 62 + <h4>Query parameters:</h4> 63 63 + 64 64 + <ul> 65 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 66 + <li><p><code>source</code>: required. Example: <code>app.bsky.feed.like:subject.uri</code></p></li> 67 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 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 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 70 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 71 71 + </ul> 72 72 + 73 73 + <p style="margin-bottom: 0"><strong>Try it:</strong></p> 74 74 + {% call try_it::get_many_to_many_counts( 75 75 + "at://did:plc:wshs7t2adsemcrrd4snkeqli/sh.tangled.label.definition/good-first-issue", 76 76 + "sh.tangled.label.op:add[].key", 77 77 + "subject", 78 78 + [""], 79 79 + [""], 80 80 + 25, 81 81 + ) %} 82 82 + 83 83 + 31 84 <h3 class="route"><code>GET /links</code></h3> 32 85 33 86 <p>A list of records linking to a target.</p> 34 87 88 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 89 + 35 90 <h4>Query parameters:</h4> 36 91 37 92 <ul> 38 38 - <li><code>target</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></li> 39 39 - <li><code>collection</code>: required. Example: <code>app.bsky.feed.like</code></li> 40 40 - <li><code>path</code>: required, must url-encode. Example: <code>.subject.uri</code></li> 93 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 94 + <li><p><code>collection</code>: required. Example: <code>app.bsky.feed.like</code></p></li> 95 95 + <li><p><code>path</code>: required, must url-encode. Example: <code>.subject.uri</code></p></li> 96 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 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 98 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 41 99 </ul> 42 100 43 101 <p style="margin-bottom: 0"><strong>Try it:</strong></p> 44 44 - {% call try_it::links("at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r", "app.bsky.feed.like", ".subject.uri") %} 102 102 + {% call try_it::links("at://did:plc:a4pqq234yw7fqbddawjo7y35/app.bsky.feed.post/3m237ilwc372e", "app.bsky.feed.like", ".subject.uri", [""], 16) %} 45 103 46 104 47 105 <h3 class="route"><code>GET /links/distinct-dids</code></h3>

+2 -2

constellation/templates/links.html.j2

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

+88 -3

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

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

-496

cozy-setup (move to another repo).md

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

+1 -1

jetstream/Cargo.toml

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

+496

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

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

+35

legacy/old-readme-details.md

··· 1 1 + [Constellation](./constellation/) 2 2 + -------------------------------------------- 3 3 + 4 4 + A global atproto backlink index ✨ 5 5 + 6 6 + - Self hostable: handles the full write throughput of the global atproto firehose on a raspberry pi 4b + single SSD 7 7 + - Storage efficient: less than 2GB/day disk consumption indexing all references in all lexicons and all non-atproto URLs 8 8 + - Handles record deletion, account de/re-activation, and account deletion, ensuring accurate link counts and respecting users data choices 9 9 + - Simple JSON API 10 10 + 11 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 12 + 13 13 + - **status**: works! api is unstable and likely to change, and no known instances have a full network backfill yet. 14 14 + - source: [./constellation/](./constellation/) 15 15 + - public instance: [constellation.microcosm.blue](https://constellation.microcosm.blue/) 16 16 + 17 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 18 + 19 19 + 20 20 + App: Spacedust 21 21 + -------------- 22 22 + 23 23 + A notification subscription service 💫 24 24 + 25 25 + using the same "link source" concept as [constellation](./constellation/), offer webhook notifications for new references created to records 26 26 + 27 27 + - **status**: in design 28 28 + 29 29 + 30 30 + Library: [links](./links/) 31 31 + ------------------------------------ 32 32 + 33 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 34 + 35 35 + - **status**: unstable, might remain an internal lib for constellation (and spacedust, soon)

+123

legacy/original-notes.md

··· 1 1 + --- 2 2 + 3 3 + 4 4 + old notes follow, ignore 5 5 + ------------------------ 6 6 + 7 7 + 8 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 9 + 10 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 11 + 12 12 + 13 13 + why 14 14 + --- 15 15 + 16 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 17 + 18 18 + - bluesky posts (firesky, deletions, ) 19 19 + - blueksy post stats (emojis, ) 20 20 + - trending keywords () 21 21 + 22 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 23 + 24 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 25 + 26 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 27 + 28 28 + **so, why** 29 29 + 30 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 31 + 32 32 + everything is links: 33 33 + 34 34 + - likes 35 35 + - follows 36 36 + - blocks 37 37 + - reposts 38 38 + - quotes 39 39 + 40 40 + some low-level things you could make from links: 41 41 + 42 42 + - notification streams (part of ucosm) 43 43 + - a global reverse index (part of ucosm) 44 44 + 45 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 46 + 47 47 + 48 48 + extracting links 49 49 + --------------- 50 50 + 51 51 + 52 52 + - low-level: pass a &str of a field value and get a parsed link back 53 53 + 54 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 55 + 56 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 57 + 58 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 59 + 60 60 + 61 61 + resolving / canonicalizing links 62 62 + -------------------------------- 63 63 + 64 64 + 65 65 + ### at-uris 66 66 + 67 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 68 + 69 69 + - `at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26` 70 70 + - `at://bnewbold.bsky.team/app.bsky.feed.post/3jwdwj2ctlk26` 71 71 + 72 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 73 + 74 74 + hopefully atrium will make it easy to resolve at-uris. 75 75 + 76 76 + 77 77 + ### urls 78 78 + 79 79 + canonicalizing URLs is more annoying but also a bit more established. lots of details. 80 80 + 81 81 + - do we have to deal with punycode? 82 82 + - follow redirects (todo: only permanent ones, or all?) 83 83 + - check for rel=canonical http header and possibly follow it 84 84 + - check link rel=canonical meta tag and possibly follow it 85 85 + - do we need to check site maps?? 86 86 + - do we have to care at all about AMP? 87 87 + - do we want anything to do with url shorteners?? 88 88 + - how do multilingual sites affect this? 89 89 + - do we have to care about `script type="application/ld+json"` ??? 90 90 + 91 91 + ugh. is there a crate for this. 92 92 + 93 93 + 94 94 + ### relative uris? 95 95 + 96 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 97 + 98 98 + 99 99 + ### canonicalizing 100 100 + 101 101 + there should be a few async functions available to canonicalize already-parsed links. 102 102 + 103 103 + - what happens if a link can't be resolved? 104 104 + 105 105 + 106 106 + --- 107 107 + 108 108 + - using `tinyjson` because it's nice -- maybe should switch to serde_json to share deps with atrium? 109 109 + 110 110 + - 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? 111 111 + 112 112 + - rsky-syntax has an aturi 113 113 + - adenosyne also 114 114 + - might come back to these 115 115 + 116 116 + 117 117 + ------- 118 118 + 119 119 + rocks 120 120 + 121 121 + ```bash 122 122 + ROCKSDB_LIB_DIR=/nix/store/z2chn0hsik0clridr8mlprx1cngh1g3c-rocksdb-9.7.3/lib/ cargo build 123 123 + ```

+196

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

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

+1

pocket/.gitignore

··· 1 1 + prefs.sqlite3*

+19

pocket/Cargo.toml

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

+17

pocket/api-description.md

··· 1 1 + _A pocket dimension to stash a bit of non-public user data._ 2 2 + 3 3 + 4 4 + # Pocket: user preference storage 5 5 + 6 6 + This API leverages atproto service proxying to offer a bit of per-user per-app non-public data storage. 7 7 + Perfect for things like application preferences that might be better left out of the public PDS data. 8 8 + 9 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 10 + 11 11 + 12 12 + ### Current status 13 13 + 14 14 + > [!important] 15 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 16 + 17 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

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

+34

pocket/src/main.rs

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

+265

pocket/src/server.rs

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

+50

pocket/src/storage.rs

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

+143

pocket/src/token.rs

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

+67

pocket/static/index.html

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

+8

quasar/Cargo.toml

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

+3

quasar/readme.md

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

+3

quasar/src/lib.rs

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

+3

quasar/src/main.rs

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

+4

quasar/src/storage.rs

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

+57 -129

readme.md

··· 1 1 - microcosm: links 2 2 - ================ 3 3 - 4 4 - this repo contains libraries and apps for working with cross-record references in at-protocol. 5 5 - 1 1 + microcosm HTTP APIs + rust crates 2 2 + ================================= 3 3 + [](https://bsky.app/profile/microcosm.blue) 4 4 + [](https://discord.gg/tcDfe4PGVB) 5 5 + [](https://github.com/sponsors/uniphil/) 6 6 + [](https://ko-fi.com/bad_example) 6 7 7 7 - App: [Constellation](./constellation/) 8 8 - -------------------------------------------- 8 8 + Welcome! Documentation is under active development. If you like reading API docs, you'll probably hit the ground running! 9 9 10 10 - A global atproto backlink index ✨ 10 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 11 12 12 - - Self hostable: handles the full write throughput of the global atproto firehose on a raspberry pi 4b + single SSD 13 13 - - Storage efficient: less than 2GB/day disk consumption indexing all references in all lexicons and all non-atproto URLs 14 14 - - Handles record deletion, account de/re-activation, and account deletion, ensuring accurate link counts and respecting users data choices 15 15 - - Simple JSON API 12 12 + > [!tip] 13 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! 16 14 17 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 15 19 19 - - **status**: works! api is unstable and likely to change, and no known instances have a full network backfill yet. 20 20 - - source: [./constellation/](./constellation/) 21 21 - - public instance: [constellation.microcosm.blue](https://constellation.microcosm.blue/) 22 22 - 23 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 24 - 25 25 - 26 26 - App: Spacedust 27 27 - -------------- 28 28 - 29 29 - A notification subscription service 💫 30 30 - 31 31 - using the same "link source" concept as [constellation](./constellation/), offer webhook notifications for new references created to records 32 32 - 33 33 - - **status**: in design 34 34 - 35 35 - 36 36 - Library: [links](./links/) 16 16 + 🌌 [Constellation](./constellation/) 37 17 ------------------------------------ 38 18 39 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 40 - 41 41 - - **status**: unstable, might remain an internal lib for constellation (and spacedust, soon) 42 42 - 43 43 - 44 44 - 45 45 - --- 46 46 - 47 47 - 48 48 - old notes follow, ignore 49 49 - ------------------------ 50 50 - 51 51 - 52 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 53 - 54 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 55 - 56 56 - 57 57 - why 58 58 - --- 59 59 - 60 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 61 - 62 62 - - bluesky posts (firesky, deletions, ) 63 63 - - blueksy post stats (emojis, ) 64 64 - - trending keywords () 65 65 - 66 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 67 - 68 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 69 - 70 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 71 - 72 72 - **so, why** 73 73 - 74 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 75 - 76 76 - everything is links: 77 77 - 78 78 - - likes 79 79 - - follows 80 80 - - blocks 81 81 - - reposts 82 82 - - quotes 83 83 - 84 84 - some low-level things you could make from links: 85 85 - 86 86 - - notification streams (part of ucosm) 87 87 - - a global reverse index (part of ucosm) 88 88 - 89 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. 19 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. 90 20 21 21 + - Source: [./constellation/](./constellation/) 22 22 + - [Public instance/API docs](https://constellation.microcosm.blue/) 23 23 + - Status: used in production. APIs will change but backwards compatibility will be maintained as long as needed. 91 24 92 92 - extracting links 93 93 - --------------- 94 25 26 26 + 🎇 [Spacedust](./spacedust/) 27 27 + ---------------------------- 95 28 96 96 - - low-level: pass a &str of a field value and get a parsed link back 29 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). 97 30 98 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?) 31 31 + - Source: [./spacedust/](./spacedust/) 32 32 + - [Public instance/API docs](https://spacedust.microcosm.blue/) 33 33 + - Status: v0: the basics work and the APIs are in place! missing cursor replay, forward link storage, and delete event link hydration. 99 34 100 100 - - high-ish level: pass the json record and maybe apply some pre-loaded rules based on known lexicons to get the best result. 35 35 + ### Demos: 101 36 102 102 - 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. 37 37 + - [Spacedust notifications](https://notifications.microcosm.blue/): web push notifications for _every_ atproto app 38 38 + - [Zero-Bluesky real-time interaction-updating post embed](https://bsky.bad-example.com/zero-bluesky-realtime-embed/) 103 39 104 40 105 105 - resolving / canonicalizing links 106 106 - -------------------------------- 41 41 + 🛰️ [Slingshot](./slingshot) 42 42 + --------------------------- 107 43 44 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. 108 45 109 109 - ### at-uris 46 46 + - Source: [./slingshot/](./slingshot/) 47 47 + - [Public instance/API docs](https://slingshot.microcosm.blue/) 48 48 + - Status: v0: most XRPC APIs are working. cache storage is being reworked. 110 49 111 111 - 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 50 113 113 - - `at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26` 114 114 - - `at://bnewbold.bsky.team/app.bsky.feed.post/3jwdwj2ctlk26` 51 51 + 🛸 [UFOs API](./ufos) 52 52 + --------------------- 115 53 116 116 - 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? 54 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. 117 55 118 118 - hopefully atrium will make it easy to resolve at-uris. 56 56 + - Source: [./ufos/](./ufos/) 57 57 + - [Public instance/API docs](https://ufos-api.microcosm.blue/) 58 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. 119 59 60 60 + > [!tip] 61 61 + > See also: [UFOs atproto explorer](https://ufos.microcosm.blue/) built on UFOs API. ([source](github.com/at-microcosm/spacedust-utils)) 120 62 121 121 - ### urls 122 63 123 123 - canonicalizing URLs is more annoying but also a bit more established. lots of details. 64 64 + 💫 [Links](./links) 65 65 + ------------------- 124 66 125 125 - - do we have to deal with punycode? 126 126 - - follow redirects (todo: only permanent ones, or all?) 127 127 - - check for rel=canonical http header and possibly follow it 128 128 - - check link rel=canonical meta tag and possibly follow it 129 129 - - do we need to check site maps?? 130 130 - - do we have to care at all about AMP? 131 131 - - do we want anything to do with url shorteners?? 132 132 - - how do multilingual sites affect this? 133 133 - - do we have to care about `script type="application/ld+json"` ??? 67 67 + Rust library for parsing and extracting links (at-uris, DIDs, and URLs) from atproto records. 134 68 135 135 - ugh. is there a crate for this. 69 69 + - Source: [./links/](./links/) 70 70 + - Status: not yet published to crates.io; needs some rework 136 71 137 72 138 138 - ### relative uris? 139 139 - 140 140 - 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) 141 141 - 142 142 - 143 143 - ### canonicalizing 144 144 - 145 145 - there should be a few async functions available to canonicalize already-parsed links. 146 146 - 147 147 - - what happens if a link can't be resolved? 73 73 + 🛩️ [Jetstream](./jetstream) 74 74 + --------------------------- 148 75 76 76 + A low-overhead jetstream client with cursor handling and automatic reconnect. 149 77 150 150 - --- 78 78 + - Source: [./links/](./links/) 79 79 + - Status: used in multiple apps in production, but not yet published to crates.io; some rework planned 151 80 152 152 - - using `tinyjson` because it's nice -- maybe should switch to serde_json to share deps with atrium? 81 81 + > [!tip] 82 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. 153 83 154 154 - - 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 84 156 156 - - rsky-syntax has an aturi 157 157 - - adenosyne also 158 158 - - might come back to these 159 85 86 86 + 🔭 Deprecated: [Who am I](./who-am-i) 87 87 + ------------------------------------- 160 88 161 161 - ------- 89 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. 162 90 163 163 - rocks 91 91 + - Source: [./who-am-i/](./who-am-i/) 92 92 + - Status: ready for retirement. 164 93 165 165 - ```bash 166 166 - ROCKSDB_LIB_DIR=/nix/store/z2chn0hsik0clridr8mlprx1cngh1g3c-rocksdb-9.7.3/lib/ cargo build 167 167 - ``` 94 94 + > [!warning] 95 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.

+12

reflector/Cargo.toml

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

+9

reflector/readme.md

··· 1 1 + # reflector 2 2 + 3 3 + a tiny did:web service server that maps subdomains to a single service endpoint 4 4 + 5 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 6 + 7 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 8 + 9 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

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

+1

slingshot/.gitignore

··· 1 1 + foyer

+31

slingshot/Cargo.toml

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

+93

slingshot/api-description.md

··· 1 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 2 + 3 3 + 4 4 + # Slingshot: edge record cache 5 5 + 6 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 7 + 8 8 + - A PDS might be far away with long network latency 9 9 + - or may be on an unreliable connection 10 10 + - or overloaded when you need it, or offline, or… 11 11 + 12 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 13 + 14 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 15 + 16 16 + 17 17 + ### Current status 18 18 + 19 19 + > [!important] 20 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 21 + 22 22 + The core APIs will not change, since they are standard third-party `com.atproto` query APIs from ATProtocol. 23 23 + 24 24 + 25 25 + ## Eager caching 26 26 + 27 27 + In many cases, Slingshot can cache the data you need *before* first request! 28 28 + 29 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 30 + 31 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 32 + 33 33 + 34 34 + ## Precise invalidation 35 35 + 36 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 37 + 38 38 + 39 39 + ## Low-trust 40 40 + 41 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 42 + 43 43 + Two core standard query APIs are supported to balance convenience and trust. They both fetch [records](https://atproto.com/guides/glossary#record): 44 44 + 45 45 + ### [`com.atproto.repo.getRecord`](#tag/comatproto-queries/get/xrpc/com.atproto.repo.getRecord) 46 46 + 47 47 + - convenient `JSON` response format 48 48 + - cannot be proven authentic 49 49 + 50 50 + ### [`com.atproto.sync.getRecord`](#tag/comatproto-queries/get/xrpc/com.atproto.sync.getRecord) 51 51 + 52 52 + - [`DAG-CBOR`](https://atproto.com/specs/data-model)-encoded response requires extra libraries to decode, but 53 53 + - includes a cryptographic proof of authenticity! 54 54 + 55 55 + _(work on this endpoint is in progress)_ 56 56 + 57 57 + 58 58 + ## Service proxying 59 59 + 60 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 61 + 62 62 + Service-proxied requests can specify a Slingshot instance via the `atproto-proxy` header: 63 63 + 64 64 + ```http 65 65 + GET /xrpc/com.bad-example.identity.resolveMiniDoc?identifier=bad-example.com 66 66 + Host: <your pds> 67 67 + atproto-proxy: did:web:<slingshot domain>#slingshot 68 68 + ``` 69 69 + 70 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 71 + 72 72 + > [!tip] 73 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 74 + 75 75 + 76 76 + ## Ergonomic APIs 77 77 + 78 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 79 + 80 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 81 + 82 82 + 83 83 + ## Part of microcosm 84 84 + 85 85 + [Microcosm](https://www.microcosm.blue/) is a collection of services and independent community-run infrastructure for ATProtocol. 86 86 + 87 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 88 + 89 89 + - [🌌 Constellation](https://constellation.microcosm.blue/), a global backlink index (all social interactions in atproto are links!) 90 90 + - [🎇 Spacedust](https://spacedust.microcosm.blue/), a firehose of all social interactions 91 91 + 92 92 + > [!success] 93 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)!

+7

slingshot/readme.md

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

+80

slingshot/src/consumer.rs

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

+93

slingshot/src/error.rs

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

+22

slingshot/src/firehose_cache.rs

··· 1 1 + use crate::CachedRecord; 2 2 + use foyer::{DirectFsDeviceOptions, Engine, HybridCache, HybridCacheBuilder}; 3 3 + use std::path::Path; 4 4 + 5 5 + pub async fn firehose_cache( 6 6 + cache_dir: impl AsRef<Path>, 7 7 + ) -> Result<HybridCache<String, CachedRecord>, String> { 8 8 + let cache = HybridCacheBuilder::new() 9 9 + .with_name("firehose") 10 10 + .memory(64 * 2_usize.pow(20)) 11 11 + .with_weighter(|k: &String, v| k.len() + std::mem::size_of_val(v)) 12 12 + .storage(Engine::large()) 13 13 + .with_device_options( 14 14 + DirectFsDeviceOptions::new(cache_dir) 15 15 + .with_capacity(2_usize.pow(30)) // TODO: configurable (1GB to have something) 16 16 + .with_file_size(16 * 2_usize.pow(20)), // note: this does limit the max cached item size, warning jumbo records 17 17 + ) 18 18 + .build() 19 19 + .await 20 20 + .map_err(|e| format!("foyer setup error: {e:?}"))?; 21 21 + Ok(cache) 22 22 + }

+32

slingshot/src/healthcheck.rs

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

+525

slingshot/src/identity.rs

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

+14

slingshot/src/lib.rs

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

+194

slingshot/src/main.rs

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

+155

slingshot/src/record.rs

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

+778

slingshot/src/server.rs

··· 1 1 + use crate::{ 2 2 + CachedRecord, ErrorResponseObject, Identity, Repo, 3 3 + error::{RecordError, ServerError}, 4 4 + }; 5 5 + use atrium_api::types::string::{Cid, Did, Handle, Nsid, RecordKey}; 6 6 + use foyer::HybridCache; 7 7 + use links::at_uri::parse_at_uri as normalize_at_uri; 8 8 + use serde::Serialize; 9 9 + use std::path::PathBuf; 10 10 + use std::str::FromStr; 11 11 + use std::sync::Arc; 12 12 + use tokio_util::sync::CancellationToken; 13 13 + 14 14 + use poem::{ 15 15 + Endpoint, EndpointExt, Route, Server, 16 16 + endpoint::{StaticFileEndpoint, make_sync}, 17 17 + http::Method, 18 18 + listener::{ 19 19 + Listener, TcpListener, 20 20 + acme::{AutoCert, LETS_ENCRYPT_PRODUCTION}, 21 21 + }, 22 22 + middleware::{CatchPanic, Cors, Tracing}, 23 23 + }; 24 24 + use poem_openapi::{ 25 25 + ApiResponse, ContactObject, ExternalDocumentObject, Object, OpenApi, OpenApiService, Tags, 26 26 + param::Query, payload::Json, types::Example, 27 27 + }; 28 28 + 29 29 + fn example_handle() -> String { 30 30 + "bad-example.com".to_string() 31 31 + } 32 32 + fn example_did() -> String { 33 33 + "did:plc:hdhoaan3xa3jiuq4fg4mefid".to_string() 34 34 + } 35 35 + fn example_collection() -> String { 36 36 + "app.bsky.feed.like".to_string() 37 37 + } 38 38 + fn example_rkey() -> String { 39 39 + "3lv4ouczo2b2a".to_string() 40 40 + } 41 41 + fn example_uri() -> String { 42 42 + format!( 43 43 + "at://{}/{}/{}", 44 44 + example_did(), 45 45 + example_collection(), 46 46 + example_rkey() 47 47 + ) 48 48 + } 49 49 + fn example_pds() -> String { 50 50 + "https://porcini.us-east.host.bsky.network".to_string() 51 51 + } 52 52 + fn example_signing_key() -> String { 53 53 + "zQ3shpq1g134o7HGDb86CtQFxnHqzx5pZWknrVX2Waum3fF6j".to_string() 54 54 + } 55 55 + 56 56 + #[derive(Object)] 57 57 + #[oai(example = true)] 58 58 + struct XrpcErrorResponseObject { 59 59 + /// Should correspond an error `name` in the lexicon errors array 60 60 + error: String, 61 61 + /// Human-readable description and possibly additonal context 62 62 + message: String, 63 63 + } 64 64 + impl Example for XrpcErrorResponseObject { 65 65 + fn example() -> Self { 66 66 + Self { 67 67 + error: "RecordNotFound".to_string(), 68 68 + message: "This record was deleted".to_string(), 69 69 + } 70 70 + } 71 71 + } 72 72 + type XrpcError = Json<XrpcErrorResponseObject>; 73 73 + fn xrpc_error(error: impl AsRef<str>, message: impl AsRef<str>) -> XrpcError { 74 74 + Json(XrpcErrorResponseObject { 75 75 + error: error.as_ref().to_string(), 76 76 + message: message.as_ref().to_string(), 77 77 + }) 78 78 + } 79 79 + 80 80 + fn bad_request_handler_get_record(err: poem::Error) -> GetRecordResponse { 81 81 + GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 82 82 + error: "InvalidRequest".to_string(), 83 83 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 84 84 + })) 85 85 + } 86 86 + 87 87 + fn bad_request_handler_resolve_mini(err: poem::Error) -> ResolveMiniIDResponse { 88 88 + ResolveMiniIDResponse::BadRequest(Json(XrpcErrorResponseObject { 89 89 + error: "InvalidRequest".to_string(), 90 90 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 91 91 + })) 92 92 + } 93 93 + 94 94 + fn bad_request_handler_resolve_handle(err: poem::Error) -> JustDidResponse { 95 95 + JustDidResponse::BadRequest(Json(XrpcErrorResponseObject { 96 96 + error: "InvalidRequest".to_string(), 97 97 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 98 98 + })) 99 99 + } 100 100 + 101 101 + #[derive(Object)] 102 102 + #[oai(example = true)] 103 103 + struct FoundRecordResponseObject { 104 104 + /// at-uri for this record 105 105 + uri: String, 106 106 + /// CID for this exact version of the record 107 107 + /// 108 108 + /// Slingshot will always return the CID, despite it not being a required 109 109 + /// response property in the official lexicon. 110 110 + /// 111 111 + /// TODO: probably actually let it be optional, idk are some pds's weirdly 112 112 + /// not returning it? 113 113 + cid: Option<String>, 114 114 + /// the record itself as JSON 115 115 + value: serde_json::Value, 116 116 + } 117 117 + impl Example for FoundRecordResponseObject { 118 118 + fn example() -> Self { 119 119 + Self { 120 120 + uri: example_uri(), 121 121 + cid: Some("bafyreialv3mzvvxaoyrfrwoer3xmabbmdchvrbyhayd7bga47qjbycy74e".to_string()), 122 122 + value: serde_json::json!({ 123 123 + "$type": "app.bsky.feed.like", 124 124 + "createdAt": "2025-07-29T18:02:02.327Z", 125 125 + "subject": { 126 126 + "cid": "bafyreia2gy6eyk5qfetgahvshpq35vtbwy6negpy3gnuulcdi723mi7vxy", 127 127 + "uri": "at://did:plc:vwzwgnygau7ed7b7wt5ux7y2/app.bsky.feed.post/3lv4lkb4vgs2k" 128 128 + } 129 129 + }), 130 130 + } 131 131 + } 132 132 + } 133 133 + 134 134 + #[derive(ApiResponse)] 135 135 + #[oai(bad_request_handler = "bad_request_handler_get_record")] 136 136 + enum GetRecordResponse { 137 137 + /// Record found 138 138 + #[oai(status = 200)] 139 139 + Ok(Json<FoundRecordResponseObject>), 140 140 + /// Bad request or no record to return 141 141 + /// 142 142 + /// The only error name in the repo.getRecord lexicon is `RecordNotFound`, 143 143 + /// but the [canonical api docs](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 144 144 + /// also list `InvalidRequest`, `ExpiredToken`, and `InvalidToken`. Of 145 145 + /// these, slingshot will only generate `RecordNotFound` or `InvalidRequest`, 146 146 + /// but may return any proxied error code from the upstream repo. 147 147 + #[oai(status = 400)] 148 148 + BadRequest(XrpcError), 149 149 + /// Server errors 150 150 + #[oai(status = 500)] 151 151 + ServerError(XrpcError), 152 152 + } 153 153 + 154 154 + #[derive(Object)] 155 155 + #[oai(example = true)] 156 156 + struct MiniDocResponseObject { 157 157 + /// DID, bi-directionally verified if a handle was provided in the query. 158 158 + did: String, 159 159 + /// The validated handle of the account or `handle.invalid` if the handle 160 160 + /// did not bi-directionally match the DID document. 161 161 + handle: String, 162 162 + /// The identity's PDS URL 163 163 + pds: String, 164 164 + /// The atproto signing key publicKeyMultibase 165 165 + /// 166 166 + /// Legacy key encoding not supported. the key is returned directly; `id`, 167 167 + /// `type`, and `controller` are omitted. 168 168 + signing_key: String, 169 169 + } 170 170 + impl Example for MiniDocResponseObject { 171 171 + fn example() -> Self { 172 172 + Self { 173 173 + did: example_did(), 174 174 + handle: example_handle(), 175 175 + pds: example_pds(), 176 176 + signing_key: example_signing_key(), 177 177 + } 178 178 + } 179 179 + } 180 180 + 181 181 + #[derive(ApiResponse)] 182 182 + #[oai(bad_request_handler = "bad_request_handler_resolve_mini")] 183 183 + enum ResolveMiniIDResponse { 184 184 + /// Identity resolved 185 185 + #[oai(status = 200)] 186 186 + Ok(Json<MiniDocResponseObject>), 187 187 + /// Bad request or identity not resolved 188 188 + #[oai(status = 400)] 189 189 + BadRequest(XrpcError), 190 190 + } 191 191 + 192 192 + #[derive(Object)] 193 193 + #[oai(example = true)] 194 194 + struct FoundDidResponseObject { 195 195 + /// the DID, bi-directionally verified if using Slingshot 196 196 + did: String, 197 197 + } 198 198 + impl Example for FoundDidResponseObject { 199 199 + fn example() -> Self { 200 200 + Self { did: example_did() } 201 201 + } 202 202 + } 203 203 + 204 204 + #[derive(ApiResponse)] 205 205 + #[oai(bad_request_handler = "bad_request_handler_resolve_handle")] 206 206 + enum JustDidResponse { 207 207 + /// Resolution succeeded 208 208 + #[oai(status = 200)] 209 209 + Ok(Json<FoundDidResponseObject>), 210 210 + /// Bad request, failed to resolve, or failed to verify 211 211 + /// 212 212 + /// `error` will be one of `InvalidRequest`, `HandleNotFound`. 213 213 + #[oai(status = 400)] 214 214 + BadRequest(XrpcError), 215 215 + /// Something went wrong trying to complete the request 216 216 + #[oai(status = 500)] 217 217 + ServerError(XrpcError), 218 218 + } 219 219 + 220 220 + struct Xrpc { 221 221 + cache: HybridCache<String, CachedRecord>, 222 222 + identity: Identity, 223 223 + repo: Arc<Repo>, 224 224 + } 225 225 + 226 226 + #[derive(Tags)] 227 227 + enum ApiTags { 228 228 + /// Core ATProtocol-compatible APIs. 229 229 + /// 230 230 + /// > [!tip] 231 231 + /// > Upstream documentation is available at 232 232 + /// > https://docs.bsky.app/docs/category/http-reference 233 233 + /// 234 234 + /// These queries are usually executed directly against the PDS containing 235 235 + /// the data being requested. Slingshot offers a caching view of the same 236 236 + /// contents with better expected performance and reliability. 237 237 + #[oai(rename = "com.atproto.* queries")] 238 238 + ComAtproto, 239 239 + /// Additional and improved APIs. 240 240 + /// 241 241 + /// These APIs offer small tweaks to the core ATProtocol APIs, with more 242 242 + /// more convenient [request parameters](#tag/slingshot-specific-queries/GET/xrpc/com.bad-example.repo.getUriRecord) 243 243 + /// or [response formats](#tag/slingshot-specific-queries/GET/xrpc/com.bad-example.identity.resolveMiniDoc). 244 244 + /// 245 245 + /// > [!important] 246 246 + /// > At the moment, these are namespaced under the `com.bad-example.*` NSID 247 247 + /// > prefix, but as they stabilize they may be migrated to an org namespace 248 248 + /// > like `blue.microcosm.*`. Support for asliasing to `com.bad-example.*` 249 249 + /// > will be maintained as long as it's in use. 250 250 + #[oai(rename = "slingshot-specific queries")] 251 251 + Custom, 252 252 + } 253 253 + 254 254 + #[OpenApi] 255 255 + impl Xrpc { 256 256 + /// com.atproto.repo.getRecord 257 257 + /// 258 258 + /// Get a single record from a repository. Does not require auth. 259 259 + /// 260 260 + /// > [!tip] 261 261 + /// > See also the [canonical `com.atproto` XRPC documentation](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 262 262 + /// > that this endpoint aims to be compatible with. 263 263 + #[oai( 264 264 + path = "/com.atproto.repo.getRecord", 265 265 + method = "get", 266 266 + tag = "ApiTags::ComAtproto" 267 267 + )] 268 268 + async fn get_record( 269 269 + &self, 270 270 + /// The DID or handle of the repo 271 271 + #[oai(example = "example_did")] 272 272 + Query(repo): Query<String>, 273 273 + /// The NSID of the record collection 274 274 + #[oai(example = "example_collection")] 275 275 + Query(collection): Query<String>, 276 276 + /// The Record key 277 277 + #[oai(example = "example_rkey")] 278 278 + Query(rkey): Query<String>, 279 279 + /// Optional: the CID of the version of the record. 280 280 + /// 281 281 + /// If not specified, then return the most recent version. 282 282 + /// 283 283 + /// If a stale `CID` is specified and a newer version of the record 284 284 + /// exists, Slingshot returns a `NotFound` error. That is: Slingshot 285 285 + /// only retains the most recent version of a record. 286 286 + Query(cid): Query<Option<String>>, 287 287 + ) -> GetRecordResponse { 288 288 + self.get_record_impl(repo, collection, rkey, cid).await 289 289 + } 290 290 + 291 291 + /// com.bad-example.repo.getUriRecord 292 292 + /// 293 293 + /// Ergonomic complement to [`com.atproto.repo.getRecord`](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 294 294 + /// which accepts an `at-uri` instead of individual repo/collection/rkey params 295 295 + #[oai( 296 296 + path = "/com.bad-example.repo.getUriRecord", 297 297 + method = "get", 298 298 + tag = "ApiTags::Custom" 299 299 + )] 300 300 + async fn get_uri_record( 301 301 + &self, 302 302 + /// The at-uri of the record 303 303 + /// 304 304 + /// The identifier can be a DID or an atproto handle, and the collection 305 305 + /// and rkey segments must be present. 306 306 + #[oai(example = "example_uri")] 307 307 + Query(at_uri): Query<String>, 308 308 + /// Optional: the CID of the version of the record. 309 309 + /// 310 310 + /// If not specified, then return the most recent version. 311 311 + /// 312 312 + /// > [!tip] 313 313 + /// > If specified and a newer version of the record exists, returns 404 not 314 314 + /// > found. That is: slingshot only retains the most recent version of a 315 315 + /// > record. 316 316 + Query(cid): Query<Option<String>>, 317 317 + ) -> GetRecordResponse { 318 318 + let bad_at_uri = || { 319 319 + GetRecordResponse::BadRequest(xrpc_error( 320 320 + "InvalidRequest", 321 321 + "at-uri does not appear to be valid", 322 322 + )) 323 323 + }; 324 324 + 325 325 + let Some(normalized) = normalize_at_uri(&at_uri) else { 326 326 + return bad_at_uri(); 327 327 + }; 328 328 + 329 329 + // TODO: move this to links 330 330 + let Some(rest) = normalized.strip_prefix("at://") else { 331 331 + return bad_at_uri(); 332 332 + }; 333 333 + let Some((repo, rest)) = rest.split_once('/') else { 334 334 + return bad_at_uri(); 335 335 + }; 336 336 + let Some((collection, rest)) = rest.split_once('/') else { 337 337 + return bad_at_uri(); 338 338 + }; 339 339 + let rkey = if let Some((rkey, _rest)) = rest.split_once('?') { 340 340 + rkey 341 341 + } else { 342 342 + rest 343 343 + }; 344 344 + 345 345 + self.get_record_impl( 346 346 + repo.to_string(), 347 347 + collection.to_string(), 348 348 + rkey.to_string(), 349 349 + cid, 350 350 + ) 351 351 + .await 352 352 + } 353 353 + 354 354 + /// com.atproto.identity.resolveHandle 355 355 + /// 356 356 + /// Resolves an atproto [`handle`](https://atproto.com/guides/glossary#handle) 357 357 + /// (hostname) to a [`DID`](https://atproto.com/guides/glossary#did-decentralized-id). 358 358 + /// 359 359 + /// > [!tip] 360 360 + /// > Compatibility note: Slingshot will **always bi-directionally verify 361 361 + /// > against the DID document**, which is optional according to the 362 362 + /// > authoritative lexicon. 363 363 + /// 364 364 + /// > [!tip] 365 365 + /// > See the [canonical `com.atproto` XRPC documentation](https://docs.bsky.app/docs/api/com-atproto-identity-resolve-handle) 366 366 + /// > that this endpoint aims to be compatible with. 367 367 + #[oai( 368 368 + path = "/com.atproto.identity.resolveHandle", 369 369 + method = "get", 370 370 + tag = "ApiTags::ComAtproto" 371 371 + )] 372 372 + async fn resolve_handle( 373 373 + &self, 374 374 + /// The handle to resolve. 375 375 + #[oai(example = "example_handle")] 376 376 + Query(handle): Query<String>, 377 377 + ) -> JustDidResponse { 378 378 + let Ok(handle) = Handle::new(handle) else { 379 379 + return JustDidResponse::BadRequest(xrpc_error("InvalidRequest", "not a valid handle")); 380 380 + }; 381 381 + 382 382 + let Ok(alleged_did) = self.identity.handle_to_did(handle.clone()).await else { 383 383 + return JustDidResponse::ServerError(xrpc_error("Failed", "Could not resolve handle")); 384 384 + }; 385 385 + 386 386 + let Some(alleged_did) = alleged_did else { 387 387 + return JustDidResponse::BadRequest(xrpc_error( 388 388 + "HandleNotFound", 389 389 + "Could not resolve handle to a DID", 390 390 + )); 391 391 + }; 392 392 + 393 393 + let Ok(partial_doc) = self.identity.did_to_partial_mini_doc(&alleged_did).await else { 394 394 + return JustDidResponse::ServerError(xrpc_error("Failed", "Could not fetch DID doc")); 395 395 + }; 396 396 + 397 397 + let Some(partial_doc) = partial_doc else { 398 398 + return JustDidResponse::BadRequest(xrpc_error( 399 399 + "HandleNotFound", 400 400 + "Resolved handle but could not find DID doc for the DID", 401 401 + )); 402 402 + }; 403 403 + 404 404 + if partial_doc.unverified_handle != handle { 405 405 + return JustDidResponse::BadRequest(xrpc_error( 406 406 + "HandleNotFound", 407 407 + "Resolved handle failed bi-directional validation", 408 408 + )); 409 409 + } 410 410 + 411 411 + JustDidResponse::Ok(Json(FoundDidResponseObject { 412 412 + did: alleged_did.to_string(), 413 413 + })) 414 414 + } 415 415 + 416 416 + /// com.bad-example.identity.resolveMiniDoc 417 417 + /// 418 418 + /// Like [com.atproto.identity.resolveIdentity](https://docs.bsky.app/docs/api/com-atproto-identity-resolve-identity) 419 419 + /// but instead of the full `didDoc` it returns an atproto-relevant subset. 420 420 + #[oai( 421 421 + path = "/com.bad-example.identity.resolveMiniDoc", 422 422 + method = "get", 423 423 + tag = "ApiTags::Custom" 424 424 + )] 425 425 + async fn resolve_mini_id( 426 426 + &self, 427 427 + /// Handle or DID to resolve 428 428 + #[oai(example = "example_handle")] 429 429 + Query(identifier): Query<String>, 430 430 + ) -> ResolveMiniIDResponse { 431 431 + let invalid = |reason: &'static str| { 432 432 + ResolveMiniIDResponse::BadRequest(xrpc_error("InvalidRequest", reason)) 433 433 + }; 434 434 + 435 435 + let mut unverified_handle = None; 436 436 + let did = match Did::new(identifier.clone()) { 437 437 + Ok(did) => did, 438 438 + Err(_) => { 439 439 + let Ok(alleged_handle) = Handle::new(identifier) else { 440 440 + return invalid("identifier was not a valid DID or handle"); 441 441 + }; 442 442 + 443 443 + match self.identity.handle_to_did(alleged_handle.clone()).await { 444 444 + Ok(res) => { 445 445 + if let Some(did) = res { 446 446 + // we did it joe 447 447 + unverified_handle = Some(alleged_handle); 448 448 + did 449 449 + } else { 450 450 + return invalid("Could not resolve handle identifier to a DID"); 451 451 + } 452 452 + } 453 453 + Err(e) => { 454 454 + log::debug!("failed to resolve handle: {e}"); 455 455 + // TODO: ServerError not BadRequest 456 456 + return invalid("errored while trying to resolve handle to DID"); 457 457 + } 458 458 + } 459 459 + } 460 460 + }; 461 461 + let Ok(partial_doc) = self.identity.did_to_partial_mini_doc(&did).await else { 462 462 + return invalid("failed to get DID doc"); 463 463 + }; 464 464 + let Some(partial_doc) = partial_doc else { 465 465 + return invalid("failed to find DID doc"); 466 466 + }; 467 467 + 468 468 + // ok so here's where we're at: 469 469 + // ✅ we have a DID 470 470 + // ✅ we have a partial doc 471 471 + // 🔶 if we have a handle, it's from the `identifier` (user-input) 472 472 + // -> then we just need to compare to the partial doc to confirm 473 473 + // -> else we need to resolve the DID doc's to a handle and check 474 474 + let handle = if let Some(h) = unverified_handle { 475 475 + if h == partial_doc.unverified_handle { 476 476 + h.to_string() 477 477 + } else { 478 478 + "handle.invalid".to_string() 479 479 + } 480 480 + } else { 481 481 + let Ok(handle_did) = self 482 482 + .identity 483 483 + .handle_to_did(partial_doc.unverified_handle.clone()) 484 484 + .await 485 485 + else { 486 486 + return invalid("failed to get did doc's handle"); 487 487 + }; 488 488 + let Some(handle_did) = handle_did else { 489 489 + return invalid("failed to resolve did doc's handle"); 490 490 + }; 491 491 + if handle_did == did { 492 492 + partial_doc.unverified_handle.to_string() 493 493 + } else { 494 494 + "handle.invalid".to_string() 495 495 + } 496 496 + }; 497 497 + 498 498 + ResolveMiniIDResponse::Ok(Json(MiniDocResponseObject { 499 499 + did: did.to_string(), 500 500 + handle, 501 501 + pds: partial_doc.pds, 502 502 + signing_key: partial_doc.signing_key, 503 503 + })) 504 504 + } 505 505 + 506 506 + async fn get_record_impl( 507 507 + &self, 508 508 + repo: String, 509 509 + collection: String, 510 510 + rkey: String, 511 511 + cid: Option<String>, 512 512 + ) -> GetRecordResponse { 513 513 + let did = match Did::new(repo.clone()) { 514 514 + Ok(did) => did, 515 515 + Err(_) => { 516 516 + let Ok(handle) = Handle::new(repo) else { 517 517 + return GetRecordResponse::BadRequest(xrpc_error( 518 518 + "InvalidRequest", 519 519 + "repo was not a valid DID or handle", 520 520 + )); 521 521 + }; 522 522 + match self.identity.handle_to_did(handle).await { 523 523 + Ok(res) => { 524 524 + if let Some(did) = res { 525 525 + did 526 526 + } else { 527 527 + return GetRecordResponse::BadRequest(xrpc_error( 528 528 + "InvalidRequest", 529 529 + "Could not resolve handle repo to a DID", 530 530 + )); 531 531 + } 532 532 + } 533 533 + Err(e) => { 534 534 + log::debug!("handle resolution failed: {e}"); 535 535 + return GetRecordResponse::ServerError(xrpc_error( 536 536 + "ResolutionFailed", 537 537 + "errored while trying to resolve handle to DID", 538 538 + )); 539 539 + } 540 540 + } 541 541 + } 542 542 + }; 543 543 + 544 544 + let Ok(collection) = Nsid::new(collection) else { 545 545 + return GetRecordResponse::BadRequest(xrpc_error( 546 546 + "InvalidRequest", 547 547 + "invalid NSID for collection", 548 548 + )); 549 549 + }; 550 550 + 551 551 + let Ok(rkey) = RecordKey::new(rkey) else { 552 552 + return GetRecordResponse::BadRequest(xrpc_error("InvalidRequest", "invalid rkey")); 553 553 + }; 554 554 + 555 555 + let cid: Option<Cid> = if let Some(cid) = cid { 556 556 + let Ok(cid) = Cid::from_str(&cid) else { 557 557 + return GetRecordResponse::BadRequest(xrpc_error("InvalidRequest", "invalid CID")); 558 558 + }; 559 559 + Some(cid) 560 560 + } else { 561 561 + None 562 562 + }; 563 563 + 564 564 + let at_uri = format!("at://{}/{}/{}", &*did, &*collection, &*rkey); 565 565 + 566 566 + let fr = self 567 567 + .cache 568 568 + .fetch(at_uri.clone(), { 569 569 + let cid = cid.clone(); 570 570 + let repo_api = self.repo.clone(); 571 571 + || async move { 572 572 + repo_api 573 573 + .get_record(&did, &collection, &rkey, &cid) 574 574 + .await 575 575 + .map_err(|e| foyer::Error::Other(Box::new(e))) 576 576 + } 577 577 + }) 578 578 + .await; 579 579 + 580 580 + let entry = match fr { 581 581 + Ok(e) => e, 582 582 + Err(foyer::Error::Other(e)) => { 583 583 + let record_error = match e.downcast::<RecordError>() { 584 584 + Ok(e) => e, 585 585 + Err(e) => { 586 586 + log::error!("error (foyer other) getting cache entry, {e:?}"); 587 587 + return GetRecordResponse::ServerError(xrpc_error( 588 588 + "ServerError", 589 589 + "sorry, something went wrong", 590 590 + )); 591 591 + } 592 592 + }; 593 593 + let RecordError::UpstreamBadRequest(ErrorResponseObject { error, message }) = 594 594 + *record_error 595 595 + else { 596 596 + log::error!("RecordError getting cache entry, {record_error:?}"); 597 597 + return GetRecordResponse::ServerError(xrpc_error( 598 598 + "ServerError", 599 599 + "sorry, something went wrong", 600 600 + )); 601 601 + }; 602 602 + 603 603 + // all of the noise around here is so that we can ultimately reach this: 604 604 + // upstream BadRequest extracted from the foyer result which we can proxy back 605 605 + return GetRecordResponse::BadRequest(xrpc_error( 606 606 + error, 607 607 + format!("Upstream bad request: {message}"), 608 608 + )); 609 609 + } 610 610 + Err(e) => { 611 611 + log::error!("error (foyer) getting cache entry, {e:?}"); 612 612 + return GetRecordResponse::ServerError(xrpc_error( 613 613 + "ServerError", 614 614 + "sorry, something went wrong", 615 615 + )); 616 616 + } 617 617 + }; 618 618 + 619 619 + match *entry { 620 620 + CachedRecord::Found(ref raw) => { 621 621 + let (found_cid, raw_value) = raw.into(); 622 622 + if cid.clone().map(|c| c != found_cid).unwrap_or(false) { 623 623 + return GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 624 624 + error: "RecordNotFound".to_string(), 625 625 + message: "A record was found but its CID did not match that requested" 626 626 + .to_string(), 627 627 + })); 628 628 + } 629 629 + // TODO: thank u stellz: https://gist.github.com/stella3d/51e679e55b264adff89d00a1e58d0272 630 630 + let value = 631 631 + serde_json::from_str(raw_value.get()).expect("RawValue to be valid json"); 632 632 + GetRecordResponse::Ok(Json(FoundRecordResponseObject { 633 633 + uri: at_uri, 634 634 + cid: Some(found_cid.as_ref().to_string()), 635 635 + value, 636 636 + })) 637 637 + } 638 638 + CachedRecord::Deleted => GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 639 639 + error: "RecordNotFound".to_string(), 640 640 + message: "This record was deleted".to_string(), 641 641 + })), 642 642 + } 643 643 + } 644 644 + 645 645 + // TODO 646 646 + // #[oai(path = "/com.atproto.identity.resolveHandle", method = "get")] 647 647 + // #[oai(path = "/com.atproto.identity.resolveDid", method = "get")] 648 648 + // but these are both not specified to do bidirectional validation, which is what we want to offer 649 649 + // com.atproto.identity.resolveIdentity seems right, but requires returning the full did-doc 650 650 + // would be nice if there were two queries: 651 651 + // did -> verified handle + pds url 652 652 + // handle -> verified did + pds url 653 653 + // 654 654 + // we could do horrible things and implement resolveIdentity with only a stripped-down fake did doc 655 655 + // but this will *definitely* cause problems because eg. we're not currently storing pubkeys and 656 656 + // those are a little bit important 657 657 + } 658 658 + 659 659 + #[derive(Debug, Clone, Serialize)] 660 660 + #[serde(rename_all = "camelCase")] 661 661 + struct AppViewService { 662 662 + id: String, 663 663 + r#type: String, 664 664 + service_endpoint: String, 665 665 + } 666 666 + #[derive(Debug, Clone, Serialize)] 667 667 + struct AppViewDoc { 668 668 + id: String, 669 669 + service: [AppViewService; 1], 670 670 + } 671 671 + /// Serve a did document for did:web for this to be an xrpc appview 672 672 + /// 673 673 + /// No slingshot endpoints currently require auth, so it's not necessary to do 674 674 + /// service proxying, however clients may wish to: 675 675 + /// 676 676 + /// - PDS proxying offers a level of client IP anonymity from slingshot 677 677 + /// - slingshot *may* implement more generous per-user rate-limits for proxied requests in the future 678 678 + fn get_did_doc(domain: &str) -> impl Endpoint + use<> { 679 679 + let doc = poem::web::Json(AppViewDoc { 680 680 + id: format!("did:web:{domain}"), 681 681 + service: [AppViewService { 682 682 + id: "#slingshot".to_string(), 683 683 + r#type: "SlingshotRecordProxy".to_string(), 684 684 + service_endpoint: format!("https://{domain}"), 685 685 + }], 686 686 + }); 687 687 + make_sync(move |_| doc.clone()) 688 688 + } 689 689 + 690 690 + pub async fn serve( 691 691 + cache: HybridCache<String, CachedRecord>, 692 692 + identity: Identity, 693 693 + repo: Repo, 694 694 + domain: Option<String>, 695 695 + acme_contact: Option<String>, 696 696 + certs: Option<PathBuf>, 697 697 + shutdown: CancellationToken, 698 698 + ) -> Result<(), ServerError> { 699 699 + let repo = Arc::new(repo); 700 700 + let api_service = OpenApiService::new( 701 701 + Xrpc { 702 702 + cache, 703 703 + identity, 704 704 + repo, 705 705 + }, 706 706 + "Slingshot", 707 707 + env!("CARGO_PKG_VERSION"), 708 708 + ) 709 709 + .server(if let Some(ref h) = domain { 710 710 + format!("https://{h}") 711 711 + } else { 712 712 + "http://localhost:3000".to_string() 713 713 + }) 714 714 + .url_prefix("/xrpc") 715 715 + .contact( 716 716 + ContactObject::new() 717 717 + .name("@microcosm.blue") 718 718 + .url("https://bsky.app/profile/microcosm.blue"), 719 719 + ) 720 720 + .description(include_str!("../api-description.md")) 721 721 + .external_document(ExternalDocumentObject::new( 722 722 + "https://microcosm.blue/slingshot", 723 723 + )); 724 724 + 725 725 + let mut app = Route::new() 726 726 + .at("/", StaticFileEndpoint::new("./static/index.html")) 727 727 + .nest("/openapi", api_service.spec_endpoint()) 728 728 + .nest("/xrpc/", api_service); 729 729 + 730 730 + if let Some(domain) = domain { 731 731 + rustls::crypto::aws_lc_rs::default_provider() 732 732 + .install_default() 733 733 + .expect("alskfjalksdjf"); 734 734 + 735 735 + app = app.at("/.well-known/did.json", get_did_doc(&domain)); 736 736 + 737 737 + let mut auto_cert = AutoCert::builder() 738 738 + .directory_url(LETS_ENCRYPT_PRODUCTION) 739 739 + .domain(&domain); 740 740 + if let Some(contact) = acme_contact { 741 741 + auto_cert = auto_cert.contact(contact); 742 742 + } 743 743 + if let Some(certs) = certs { 744 744 + auto_cert = auto_cert.cache_path(certs); 745 745 + } 746 746 + let auto_cert = auto_cert.build().map_err(ServerError::AcmeBuildError)?; 747 747 + 748 748 + run( 749 749 + TcpListener::bind("0.0.0.0:443").acme(auto_cert), 750 750 + app, 751 751 + shutdown, 752 752 + ) 753 753 + .await 754 754 + } else { 755 755 + run(TcpListener::bind("127.0.0.1:3000"), app, shutdown).await 756 756 + } 757 757 + } 758 758 + 759 759 + async fn run<L>(listener: L, app: Route, shutdown: CancellationToken) -> Result<(), ServerError> 760 760 + where 761 761 + L: Listener + 'static, 762 762 + { 763 763 + let app = app 764 764 + .with( 765 765 + Cors::new() 766 766 + .allow_origin_regex("*") 767 767 + .allow_methods([Method::GET]) 768 768 + .allow_credentials(false), 769 769 + ) 770 770 + .with(CatchPanic::new()) 771 771 + .with(Tracing); 772 772 + Server::new(listener) 773 773 + .name("slingshot") 774 774 + .run_with_graceful_shutdown(app, shutdown.cancelled(), None) 775 775 + .await 776 776 + .map_err(ServerError::ServerExited) 777 777 + .inspect(|()| log::info!("server ended. goodbye.")) 778 778 + }

slingshot/static/favicon.ico

This is a binary file and will not be displayed.

+67

slingshot/static/index.html

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

+5 -5

spacedust/src/subscriber.rs

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

+1 -1

ufos/Cargo.toml

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

+42 -10

ufos/src/main.rs

··· 4 4 use metrics_exporter_prometheus::PrometheusBuilder; 5 5 use std::path::PathBuf; 6 6 use std::time::{Duration, SystemTime}; 7 7 + use tokio::task::JoinSet; 7 8 use ufos::consumer; 8 9 use ufos::file_consumer; 9 10 use ufos::server; ··· 72 73 Ok(()) 73 74 } 74 75 75 75 - async fn go<B: StoreBackground>( 76 76 + async fn go<B: StoreBackground + 'static>( 76 77 args: Args, 77 78 read_store: impl StoreReader + 'static + Clone, 78 79 mut write_store: impl StoreWriter<B> + 'static, 79 80 cursor: Option<Cursor>, 80 81 sketch_secret: SketchSecretPrefix, 81 82 ) -> anyhow::Result<()> { 83 83 + let mut whatever_tasks: JoinSet<anyhow::Result<()>> = JoinSet::new(); 84 84 + let mut consumer_tasks: JoinSet<anyhow::Result<()>> = JoinSet::new(); 85 85 + 82 86 println!("starting server with storage..."); 83 87 let serving = server::serve(read_store.clone()); 88 88 + whatever_tasks.spawn(async move { 89 89 + serving.await.map_err(|e| { 90 90 + log::warn!("server ended: {e}"); 91 91 + anyhow::anyhow!(e) 92 92 + }) 93 93 + }); 84 94 85 95 if args.pause_writer { 86 96 log::info!("not starting jetstream or the write loop."); 87 87 - serving.await.map_err(|e| anyhow::anyhow!(e))?; 97 97 + for t in whatever_tasks.join_all().await { 98 98 + if let Err(e) = t { 99 99 + return Err(anyhow::anyhow!(e)); 100 100 + } 101 101 + } 88 102 return Ok(()); 89 103 } 90 104 ··· 102 116 let rolling = write_store 103 117 .background_tasks(args.reroll)? 104 118 .run(args.backfill); 105 105 - let consuming = write_store.receive_batches(batches); 119 119 + whatever_tasks.spawn(async move { 120 120 + rolling 121 121 + .await 122 122 + .inspect_err(|e| log::warn!("rollup ended: {e}"))?; 123 123 + Ok(()) 124 124 + }); 106 125 107 107 - let stating = do_update_stuff(read_store); 126 126 + consumer_tasks.spawn(async move { 127 127 + write_store 128 128 + .receive_batches(batches) 129 129 + .await 130 130 + .inspect_err(|e| log::warn!("consumer ended: {e}"))?; 131 131 + Ok(()) 132 132 + }); 133 133 + 134 134 + whatever_tasks.spawn(async move { 135 135 + do_update_stuff(read_store).await; 136 136 + log::warn!("status task ended"); 137 137 + Ok(()) 138 138 + }); 108 139 109 140 install_metrics_server()?; 110 141 111 111 - tokio::select! { 112 112 - z = serving => log::warn!("serve task ended: {z:?}"), 113 113 - z = rolling => log::warn!("rollup task ended: {z:?}"), 114 114 - z = consuming => log::warn!("consuming task ended: {z:?}"), 115 115 - z = stating => log::warn!("status task ended: {z:?}"), 116 116 - }; 142 142 + for (i, t) in consumer_tasks.join_all().await.iter().enumerate() { 143 143 + log::warn!("task {i} done: {t:?}"); 144 144 + } 145 145 + 146 146 + println!("consumer tasks all completed, killing the others"); 147 147 + whatever_tasks.shutdown().await; 117 148 118 149 println!("bye!"); 119 150 ··· 162 193 interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Delay); 163 194 loop { 164 195 interval.tick().await; 196 196 + read_store.update_metrics(); 165 197 match read_store.get_consumer_info().await { 166 198 Err(e) => log::warn!("failed to get jetstream consumer info: {e:?}"), 167 199 Ok(ConsumerInfo::Jetstream {

+11 -1

ufos/src/storage.rs

··· 41 41 Unit::Microseconds, 42 42 "batches that took more than 3s to insert" 43 43 ); 44 44 + describe_histogram!( 45 45 + "storage_batch_insert_time", 46 46 + Unit::Microseconds, 47 47 + "total time to insert one commit batch" 48 48 + ); 44 49 while let Some(event_batch) = batches.recv().await { 45 50 let token = CancellationToken::new(); 46 51 let cancelled = token.clone(); ··· 69 74 let mut me = self.clone(); 70 75 move || { 71 76 let _guard = token.drop_guard(); 72 72 - me.insert_batch(event_batch) 77 77 + let t0 = Instant::now(); 78 78 + let r = me.insert_batch(event_batch); 79 79 + histogram!("storage_batch_insert_time").record(t0.elapsed().as_micros() as f64); 80 80 + r 73 81 } 74 82 }) 75 83 .await??; ··· 103 111 #[async_trait] 104 112 pub trait StoreReader: Send + Sync { 105 113 fn name(&self) -> String; 114 114 + 115 115 + fn update_metrics(&self) {} 106 116 107 117 async fn get_storage_stats(&self) -> StorageResult<serde_json::Value>; 108 118

+104 -20

ufos/src/storage_fjall.rs

··· 23 23 Batch as FjallBatch, Config, Keyspace, PartitionCreateOptions, PartitionHandle, Snapshot, 24 24 }; 25 25 use jetstream::events::Cursor; 26 26 - use metrics::{counter, describe_counter, describe_histogram, histogram, Unit}; 26 26 + use lsm_tree::AbstractTree; 27 27 + use metrics::{ 28 28 + counter, describe_counter, describe_gauge, describe_histogram, gauge, histogram, Unit, 29 29 + }; 27 30 use std::collections::{HashMap, HashSet}; 28 31 use std::iter::Peekable; 29 32 use std::ops::Bound; ··· 227 230 feeds: feeds.clone(), 228 231 records: records.clone(), 229 232 rollups: rollups.clone(), 233 233 + queues: queues.clone(), 230 234 }; 235 235 + reader.describe_metrics(); 231 236 let writer = FjallWriter { 232 237 bg_taken: Arc::new(AtomicBool::new(false)), 233 238 keyspace, ··· 237 242 rollups, 238 243 queues, 239 244 }; 245 245 + writer.describe_metrics(); 240 246 Ok((reader, writer, js_cursor, sketch_secret)) 241 247 } 242 248 } ··· 250 256 feeds: PartitionHandle, 251 257 records: PartitionHandle, 252 258 rollups: PartitionHandle, 259 259 + queues: PartitionHandle, 253 260 } 254 261 255 262 /// An iterator that knows how to skip over deleted/invalidated records ··· 381 388 type CollectionSerieses = HashMap<Nsid, Vec<CountsValue>>; 382 389 383 390 impl FjallReader { 391 391 + fn describe_metrics(&self) { 392 392 + describe_gauge!( 393 393 + "storage_fjall_l0_run_count", 394 394 + Unit::Count, 395 395 + "number of L0 runs in a partition" 396 396 + ); 397 397 + describe_gauge!( 398 398 + "storage_fjall_keyspace_disk_space", 399 399 + Unit::Bytes, 400 400 + "total storage used according to fjall" 401 401 + ); 402 402 + describe_gauge!( 403 403 + "storage_fjall_journal_count", 404 404 + Unit::Count, 405 405 + "total keyspace journals according to fjall" 406 406 + ); 407 407 + describe_gauge!( 408 408 + "storage_fjall_keyspace_sequence", 409 409 + Unit::Count, 410 410 + "fjall keyspace sequence" 411 411 + ); 412 412 + } 413 413 + 384 414 fn get_storage_stats(&self) -> StorageResult<serde_json::Value> { 385 415 let rollup_cursor = 386 416 get_static_neu::<NewRollupCursorKey, NewRollupCursorValue>(&self.global)? ··· 1000 1030 fn name(&self) -> String { 1001 1031 "fjall storage v2".into() 1002 1032 } 1033 1033 + fn update_metrics(&self) { 1034 1034 + gauge!("storage_fjall_l0_run_count", "partition" => "global") 1035 1035 + .set(self.global.tree.l0_run_count() as f64); 1036 1036 + gauge!("storage_fjall_l0_run_count", "partition" => "feeds") 1037 1037 + .set(self.feeds.tree.l0_run_count() as f64); 1038 1038 + gauge!("storage_fjall_l0_run_count", "partition" => "records") 1039 1039 + .set(self.records.tree.l0_run_count() as f64); 1040 1040 + gauge!("storage_fjall_l0_run_count", "partition" => "rollups") 1041 1041 + .set(self.rollups.tree.l0_run_count() as f64); 1042 1042 + gauge!("storage_fjall_l0_run_count", "partition" => "queues") 1043 1043 + .set(self.queues.tree.l0_run_count() as f64); 1044 1044 + gauge!("storage_fjall_keyspace_disk_space").set(self.keyspace.disk_space() as f64); 1045 1045 + gauge!("storage_fjall_journal_count").set(self.keyspace.journal_count() as f64); 1046 1046 + gauge!("storage_fjall_keyspace_sequence").set(self.keyspace.instant() as f64); 1047 1047 + } 1003 1048 async fn get_storage_stats(&self) -> StorageResult<serde_json::Value> { 1004 1049 let s = self.clone(); 1005 1050 tokio::task::spawn_blocking(move || FjallReader::get_storage_stats(&s)).await? ··· 1091 1136 } 1092 1137 1093 1138 impl FjallWriter { 1139 1139 + fn describe_metrics(&self) { 1140 1140 + describe_histogram!( 1141 1141 + "storage_insert_batch_db_batch_items", 1142 1142 + Unit::Count, 1143 1143 + "how many items are in the fjall batch for batched inserts" 1144 1144 + ); 1145 1145 + describe_histogram!( 1146 1146 + "storage_rollup_counts_db_batch_items", 1147 1147 + Unit::Count, 1148 1148 + "how many items are in the fjall batch for a timlies rollup" 1149 1149 + ); 1150 1150 + describe_counter!( 1151 1151 + "storage_delete_account_partial_commits", 1152 1152 + Unit::Count, 1153 1153 + "fjall checkpoint commits for cleaning up accounts with too many records" 1154 1154 + ); 1155 1155 + describe_counter!( 1156 1156 + "storage_delete_account_completions", 1157 1157 + Unit::Count, 1158 1158 + "total count of account deletes handled" 1159 1159 + ); 1160 1160 + describe_counter!( 1161 1161 + "storage_delete_account_records_deleted", 1162 1162 + Unit::Count, 1163 1163 + "total records deleted when handling account deletes" 1164 1164 + ); 1165 1165 + describe_histogram!( 1166 1166 + "storage_trim_dirty_nsids", 1167 1167 + Unit::Count, 1168 1168 + "number of NSIDs trimmed" 1169 1169 + ); 1170 1170 + describe_histogram!( 1171 1171 + "storage_trim_duration", 1172 1172 + Unit::Microseconds, 1173 1173 + "how long it took to trim the dirty NSIDs" 1174 1174 + ); 1175 1175 + describe_counter!( 1176 1176 + "storage_trim_removed", 1177 1177 + Unit::Count, 1178 1178 + "how many records were removed during trim" 1179 1179 + ); 1180 1180 + } 1094 1181 fn rollup_delete_account( 1095 1182 &mut self, 1096 1183 cursor: Cursor, ··· 1222 1309 AllTimeRecordsKey::new(new_creates_count.into(), &nsid).to_db_bytes()?, 1223 1310 ), 1224 1311 }; 1225 1225 - batch.remove(&self.rollups, &old_k); // TODO: when fjall gets weak delete, this will hopefully work way better 1312 1312 + // remove_weak is allowed here because the secondary ranking index only ever inserts once at a key 1313 1313 + batch.remove_weak(&self.rollups, &old_k); 1226 1314 batch.insert(&self.rollups, &new_k, ""); 1227 1315 } 1228 1316 ··· 1246 1334 AllTimeDidsKey::new(new_dids_estimate.into(), &nsid).to_db_bytes()?, 1247 1335 ), 1248 1336 }; 1249 1249 - batch.remove(&self.rollups, &old_k); // TODO: when fjall gets weak delete, this will hopefully work way better 1337 1337 + // remove_weak is allowed here because the secondary ranking index only ever inserts once at a key 1338 1338 + batch.remove_weak(&self.rollups, &old_k); 1250 1339 batch.insert(&self.rollups, &new_k, ""); 1251 1340 } 1252 1341 ··· 1256 1345 1257 1346 insert_batch_static_neu::<NewRollupCursorKey>(&mut batch, &self.global, last_cursor)?; 1258 1347 1348 1348 + histogram!("storage_rollup_counts_db_batch_items").record(batch.len() as f64); 1259 1349 batch.commit()?; 1260 1350 Ok((cursors_advanced, dirty_nsids)) 1261 1351 } ··· 1266 1356 if self.bg_taken.swap(true, Ordering::SeqCst) { 1267 1357 return Err(StorageError::BackgroundAlreadyStarted); 1268 1358 } 1269 1269 - describe_histogram!( 1270 1270 - "storage_trim_dirty_nsids", 1271 1271 - Unit::Count, 1272 1272 - "number of NSIDs trimmed" 1273 1273 - ); 1274 1274 - describe_histogram!( 1275 1275 - "storage_trim_duration", 1276 1276 - Unit::Microseconds, 1277 1277 - "how long it took to trim the dirty NSIDs" 1278 1278 - ); 1279 1279 - describe_counter!( 1280 1280 - "storage_trim_removed", 1281 1281 - Unit::Count, 1282 1282 - "how many records were removed during trim" 1283 1283 - ); 1284 1359 if reroll { 1285 1360 log::info!("reroll: resetting rollup cursor..."); 1286 1361 insert_static_neu::<NewRollupCursorKey>(&self.global, Cursor::from_start())?; ··· 1375 1450 latest.to_db_bytes()?, 1376 1451 ); 1377 1452 1453 1453 + histogram!("storage_insert_batch_db_batch_items").record(batch.len() as f64); 1378 1454 batch.commit()?; 1379 1455 Ok(()) 1380 1456 } ··· 1529 1605 candidate_new_feed_lower_cursor = Some(feed_key.cursor()); 1530 1606 } 1531 1607 1532 1532 - self.feeds.remove(&location_key_bytes)?; 1608 1608 + self.records.remove(&location_key_bytes)?; 1533 1609 self.feeds.remove(key_bytes)?; 1534 1610 records_deleted += 1; 1535 1611 } ··· 1556 1632 batch.remove(&self.records, key_bytes); 1557 1633 records_deleted += 1; 1558 1634 if batch.len() >= MAX_BATCHED_ACCOUNT_DELETE_RECORDS { 1635 1635 + counter!("storage_delete_account_partial_commits").increment(1); 1559 1636 batch.commit()?; 1560 1637 batch = self.keyspace.batch(); 1561 1638 } 1562 1639 } 1640 1640 + counter!("storage_delete_account_completions").increment(1); 1641 1641 + counter!("storage_delete_account_records_deleted").increment(records_deleted as u64); 1563 1642 batch.commit()?; 1564 1643 Ok(records_deleted) 1565 1644 } ··· 1619 1698 histogram!("storage_trim_dirty_nsids").record(completed.len() as f64); 1620 1699 histogram!("storage_trim_duration").record(dt.as_micros() as f64); 1621 1700 counter!("storage_trim_removed", "dangling" => "true").increment(total_danglers as u64); 1622 1622 - counter!("storage_trim_removed", "dangling" => "false").increment((total_deleted - total_danglers) as u64); 1701 1701 + if total_deleted >= total_danglers { 1702 1702 + counter!("storage_trim_removed", "dangling" => "false").increment((total_deleted - total_danglers) as u64); 1703 1703 + } else { 1704 1704 + // TODO: probably think through what's happening here 1705 1705 + log::warn!("weird trim case: more danglers than deleted? metric will be missing for dangling=false. deleted={total_deleted} danglers={total_danglers}"); 1706 1706 + } 1623 1707 for c in completed { 1624 1708 dirty_nsids.remove(&c); 1625 1709 }

-196

ufos ops (move to micro-ops).md

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

+5 -5

who-am-i/src/jwt.rs

··· 74 74 let dt_exp = dt_now + Duration::from_secs(30 * 86_400); 75 75 let exp = dt_exp.as_secs(); 76 76 77 77 - Ok(encode( 78 78 - &Header::new(Algorithm::ES256), 79 79 - &Claims { sub, exp }, 80 80 - &self.encoding_key, 81 81 - )?) 77 77 + let mut header = Header::new(Algorithm::ES256); 78 78 + header.kid = Some("who-am-i-00".to_string()); 79 79 + // todo: consider setting jku? 80 80 + 81 81 + Ok(encode(&header, &Claims { sub, exp }, &self.encoding_key)?) 82 82 } 83 83 84 84 pub fn jwk(&self) -> Jwk {

+1 -1

who-am-i/src/oauth.rs

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

+92 -19

who-am-i/src/server.rs

··· 5 5 extract::{FromRef, Json as ExtractJson, Query, State}, 6 6 http::{ 7 7 StatusCode, 8 8 - header::{CONTENT_SECURITY_POLICY, CONTENT_TYPE, HeaderMap, REFERER}, 8 8 + header::{CONTENT_SECURITY_POLICY, CONTENT_TYPE, HeaderMap, ORIGIN, REFERER}, 9 9 }, 10 10 response::{IntoResponse, Json, Redirect, Response}, 11 11 routing::{get, post}, 12 12 }; 13 13 - use axum_extra::extract::cookie::{Cookie, Key, SameSite, SignedCookieJar}; 13 13 + use axum_extra::extract::cookie::{Cookie, Expiration, Key, SameSite, SignedCookieJar}; 14 14 use axum_template::{RenderHtml, engine::Engine}; 15 15 use handlebars::{Handlebars, handlebars_helper}; 16 16 use jose_jwk::JwkSet; ··· 20 20 use serde_json::{Value, json}; 21 21 use std::collections::HashSet; 22 22 use std::sync::Arc; 23 23 - use std::time::Duration; 23 23 + use std::time::{Duration, SystemTime}; 24 24 use tokio::net::TcpListener; 25 25 use tokio_util::sync::CancellationToken; 26 26 use url::Url; ··· 32 32 const FAVICON: &[u8] = include_bytes!("../static/favicon.ico"); 33 33 const STYLE_CSS: &str = include_str!("../static/style.css"); 34 34 35 35 + const HELLO_COOKIE_KEY: &str = "hello-who-am-i"; 35 36 const DID_COOKIE_KEY: &str = "did"; 36 37 37 38 const COOKIE_EXPIRATION: Duration = Duration::from_secs(30 * 86_400); ··· 113 114 .unwrap(); 114 115 } 115 116 117 117 + #[derive(Debug, Deserialize)] 118 118 + struct HelloQuery { 119 119 + auth_reload: Option<String>, 120 120 + auth_failed: Option<String>, 121 121 + } 116 122 async fn hello( 117 123 State(AppState { 118 124 engine, ··· 121 127 oauth, 122 128 .. 123 129 }): State<AppState>, 130 130 + Query(params): Query<HelloQuery>, 124 131 mut jar: SignedCookieJar, 125 132 ) -> Response { 133 133 + let is_auth_reload = params.auth_reload.is_some(); 134 134 + let auth_failed = params.auth_failed.is_some(); 135 135 + let no_cookie = jar.get(HELLO_COOKIE_KEY).is_none(); 136 136 + jar = jar.add(hello_cookie()); 137 137 + 126 138 let info = if let Some(did) = jar.get(DID_COOKIE_KEY) { 127 139 if let Ok(did) = Did::new(did.value_trimmed().to_string()) { 128 140 // push cookie expiry ··· 138 150 json!({ 139 151 "did": did, 140 152 "fetch_key": fetch_key, 153 153 + "is_auth_reload": is_auth_reload, 154 154 + "auth_failed": auth_failed, 155 155 + "no_cookie": no_cookie, 141 156 }) 142 157 } else { 143 158 jar = jar.remove(DID_COOKIE_KEY); 144 144 - json!({}) 159 159 + json!({ 160 160 + "is_auth_reload": is_auth_reload, 161 161 + "auth_failed": auth_failed, 162 162 + "no_cookie": no_cookie, 163 163 + }) 145 164 } 146 165 } else { 147 147 - json!({}) 166 166 + json!({ 167 167 + "is_auth_reload": is_auth_reload, 168 168 + "auth_failed": auth_failed, 169 169 + "no_cookie": no_cookie, 170 170 + }) 148 171 }; 149 172 let frame_headers = [(CONTENT_SECURITY_POLICY, "frame-ancestors 'none'")]; 150 173 (frame_headers, jar, RenderHtml("hello", engine, info)).into_response() ··· 162 185 ([(CONTENT_TYPE, "image/x-icon")], FAVICON) 163 186 } 164 187 188 188 + fn hello_cookie() -> Cookie<'static> { 189 189 + Cookie::build((HELLO_COOKIE_KEY, "hiiii")) 190 190 + .http_only(true) 191 191 + .secure(true) 192 192 + .same_site(SameSite::None) 193 193 + .expires(Expiration::DateTime( 194 194 + (SystemTime::now() + COOKIE_EXPIRATION).into(), 195 195 + )) // wtf safari needs this to not be a session cookie?? 196 196 + .max_age(COOKIE_EXPIRATION.try_into().unwrap()) 197 197 + .path("/") 198 198 + .into() 199 199 + } 200 200 + 165 201 fn cookie(did: &Did) -> Cookie<'static> { 166 202 Cookie::build((DID_COOKIE_KEY, did.to_string())) 167 203 .http_only(true) 168 204 .secure(true) 169 205 .same_site(SameSite::None) 206 206 + .expires(Expiration::DateTime( 207 207 + (SystemTime::now() + COOKIE_EXPIRATION).into(), 208 208 + )) // wtf safari needs this to not be a session cookie?? 170 209 .max_age(COOKIE_EXPIRATION.try_into().unwrap()) 210 210 + .path("/") 171 211 .into() 172 212 } 173 213 214 214 + #[derive(Debug, Deserialize)] 215 215 + struct PromptQuery { 216 216 + // this must *ONLY* be used for the postmessage target origin 217 217 + app: Option<String>, 218 218 + } 174 219 async fn prompt( 175 220 State(AppState { 176 221 allowed_hosts, ··· 181 226 tokens, 182 227 .. 183 228 }): State<AppState>, 229 229 + Query(params): Query<PromptQuery>, 184 230 jar: SignedCookieJar, 185 231 headers: HeaderMap, 186 232 ) -> impl IntoResponse { 187 187 - let err = |reason, check_frame| { 233 233 + let err = |reason, check_frame, detail| { 188 234 metrics::counter!("whoami_auth_prompt", "ok" => "false", "reason" => reason).increment(1); 189 189 - let info = json!({ "reason": reason, "check_frame": check_frame }); 235 235 + let info = json!({ 236 236 + "reason": reason, 237 237 + "check_frame": check_frame, 238 238 + "detail": detail, 239 239 + }); 190 240 let html = RenderHtml("prompt-error", engine.clone(), info); 191 241 (StatusCode::BAD_REQUEST, html).into_response() 192 242 }; 193 243 194 194 - let Some(referrer) = headers.get(REFERER) else { 195 195 - return err("Missing referer", true); 244 244 + let Some(parent) = headers.get(ORIGIN).or_else(|| { 245 245 + eprintln!("referrer fallback"); 246 246 + // TODO: referer should only be used for localhost?? 247 247 + headers.get(REFERER) 248 248 + }) else { 249 249 + return err("Missing origin and no referrer for fallback", true, None); 196 250 }; 197 197 - let Ok(referrer) = referrer.to_str() else { 198 198 - return err("Unreadable referer", true); 251 251 + let Ok(parent) = parent.to_str() else { 252 252 + return err("Unreadable origin or referrer", true, None); 199 253 }; 200 200 - let Ok(url) = Url::parse(referrer) else { 201 201 - return err("Bad referer", true); 254 254 + eprintln!( 255 255 + "rolling with parent: {parent:?} (from origin? {})", 256 256 + headers.get(ORIGIN).is_some() 257 257 + ); 258 258 + let Ok(url) = Url::parse(parent) else { 259 259 + return err("Bad origin or referrer", true, None); 202 260 }; 203 261 let Some(parent_host) = url.host_str() else { 204 204 - return err("Referer missing host", true); 262 262 + return err("Origin or referrer missing host", true, None); 205 263 }; 206 264 if !allowed_hosts.contains(parent_host) { 207 207 - return err("Login is not allowed on this page", false); 265 265 + return err( 266 266 + "Login is not allowed on this page", 267 267 + false, 268 268 + Some(parent_host), 269 269 + ); 270 270 + } 271 271 + if let Some(ref app) = params.app 272 272 + && !allowed_hosts.contains(app) 273 273 + { 274 274 + return err("Login is not allowed for this app", false, Some(app)); 208 275 } 209 276 let parent_origin = url.origin().ascii_serialization(); 210 277 if parent_origin == "null" { 211 211 - return err("Referer origin is opaque", true); 278 278 + return err("Origin or referrer header value is opaque", true, None); 212 279 } 213 280 214 214 - let csp = format!("frame-ancestors {parent_origin}"); 281 281 + let all_allowed = allowed_hosts 282 282 + .iter() 283 283 + .map(|h| format!("https://{h}")) 284 284 + .collect::<Vec<_>>() 285 285 + .join(" "); 286 286 + let csp = format!("frame-ancestors 'self' {parent_origin} {all_allowed}"); 215 287 let frame_headers = [(CONTENT_SECURITY_POLICY, &csp)]; 216 288 217 289 if let Some(did) = jar.get(DID_COOKIE_KEY) { 218 290 let Ok(did) = Did::new(did.value_trimmed().to_string()) else { 219 219 - return err("Bad cookie", false); 291 291 + return err("Bad cookie", false, None); 220 292 }; 221 293 222 294 // push cookie expiry ··· 226 298 Ok(t) => t, 227 299 Err(e) => { 228 300 eprintln!("failed to create JWT: {e:?}"); 229 229 - return err("failed to create JWT", false); 301 301 + return err("failed to create JWT", false, None); 230 302 } 231 303 }; 232 304 ··· 246 318 "fetch_key": fetch_key, 247 319 "parent_host": parent_host, 248 320 "parent_origin": parent_origin, 321 321 + "parent_target": params.app.map(|h| format!("https://{h}")), 249 322 }); 250 323 (frame_headers, jar, RenderHtml("prompt", engine, info)).into_response() 251 324 } else {

+12 -1

who-am-i/static/style.css

··· 12 12 overflow: hidden; 13 13 display: flex; 14 14 flex-direction: column; 15 15 - height: 100vh; 15 15 + min-height: 100vh; 16 16 } 17 17 .wrap.unframed { 18 18 border-radius: 0; ··· 165 165 color: #285; 166 166 } 167 167 168 168 + #need-storage { 169 169 + font-size: 0.8rem; 170 170 + } 171 171 + .problem { 172 172 + color: #a31; 173 173 + } 174 174 + 168 175 #or { 169 176 font-size: 0.8rem; 170 177 text-align: center; ··· 182 189 .hidden { 183 190 display: none !important; 184 191 } 192 192 + 193 193 + .hello-connect-plz { 194 194 + margin: 1.667rem 0 0.667rem; 195 195 + }

+5 -1

who-am-i/templates/authorized.hbs

··· 1 1 <!doctype html> 2 2 + <meta charset="utf-8" /> 3 3 + <title>great job!</title> 2 4 3 3 - <p>oh sick. hey {{ did }}. you can close this window now.</p> 5 5 + <h1>oauth success!</h1> 6 6 + <p>this window should automatically close itself (probably a bug if it hasn't)</p> 4 7 5 8 <script> 6 9 // TODO: tie this back to its source........... ··· 11 14 token: {{{json token}}}, 12 15 fetch_key: {{{json fetch_key}}}, 13 16 })); 17 17 + // TODO: probably also wait for a reply from the frame and show an error if not 14 18 window.close(); 15 19 </script>

+45 -4

who-am-i/templates/hello.hbs

··· 4 4 <div class="mini-content"> 5 5 <div class="explain"> 6 6 <p>This is a little identity-verifying service for microcosm demos.</p> 7 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> 7 8 </div> 8 9 9 10 {{#if did}} ··· 50 51 } catch (e) { 51 52 err(e, 'failed to clear session, sorry'); 52 53 } 53 53 - window.location.reload(); 54 54 + window.location.replace(location.pathname); 55 55 + window.location.reload(); // backup, in case there is no query? 54 56 }); 55 57 })(); 56 58 ··· 71 73 } 72 74 </script> 73 75 {{else}} 74 74 - <p id="prompt" class="detail no"> 75 75 - No identity connected. 76 76 - </p> 76 76 + 77 77 + <p class="hello-connect-plz">Connect your handle</p> 78 78 + 79 79 + {{#if is_auth_reload}} 80 80 + {{#if no_cookie}} 81 81 + <p id="prompt" class="detail no"> 82 82 + No identity connected. Your browser may be blocking access for connecting. 83 83 + </p> 84 84 + {{else}} 85 85 + {{#if auth_failed}} 86 86 + <p id="prompt" class="detail no"> 87 87 + No identity connected. Connecting failed or was denied. 88 88 + </p> 89 89 + {{else}} 90 90 + <p id="prompt" class="detail no"> 91 91 + No identity connected. 92 92 + </p> 93 93 + {{/if}} 94 94 + {{/if}} 95 95 + {{/if}} 96 96 + 97 97 + <div id="user-info"> 98 98 + <form id="form-action" action="/auth" target="_blank" method="GET" class="action {{#if did}}hidden{{/if}}"> 99 99 + <label> 100 100 + @<input id="handle-input" class="handle" name="handle" placeholder="example.bsky.social" /> 101 101 + </label> 102 102 + <button id="connect" type="submit">connect</button> 103 103 + </form> 104 104 + </div> 77 105 {{/if}} 106 106 + 78 107 </div> 108 108 + <script> 109 109 + window.addEventListener('storage', e => { 110 110 + console.log('eyyy got storage', e); 111 111 + if (e.key !== 'who-am-i') return; 112 112 + if (!e.newValue) return; 113 113 + if (e.newValue.result === 'success') { 114 114 + window.location = '/?auth_reload=1'; 115 115 + } else { 116 116 + window.location = '/?auth_reload=1&auth_failed=1'; 117 117 + } 118 118 + }); 119 119 + </script> 79 120 {{/inline}} 80 121 81 122 {{#> base-full}}{{/base-full}}

+1

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

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

+46 -7

who-am-i/templates/prompt.hbs

··· 6 6 <p id="error-message" class="hidden"></p> 7 7 8 8 <p id="prompt" class="detail"> 9 9 - <span class="parent-host">{{ parent_host }}</span> would like to confirm your handle 9 9 + <span class="parent-host">{{ parent_host }}</span> wants to confirm your handle 10 10 </p> 11 11 12 12 <div id="loader" {{#unless did}}class="hidden"{{/unless}}> ··· 27 27 </div> 28 28 </div> 29 29 30 30 + <div id="need-storage" class="hidden"> 31 31 + <p class="problem">Sorry, your browser is blocking access.</p> 32 32 + <p> 33 33 + Try <a href="/" target="_blank">connecting directly</a> first (but no promises). 34 34 + Clicking <button id="desperation">this button</button> might also help. 35 35 + </p> 36 36 + </div> 37 37 + 30 38 31 39 32 40 <script> ··· 39 47 const formEl = document.getElementById('form-action'); // for anon 40 48 const allowEl = document.getElementById('handle-action'); // for known-did 41 49 const connectEl = document.getElementById('connect'); // for anon 50 50 + const needStorageEl = document.getElementById('need-storage'); // for safari/frame isolation 51 51 + const desperationEl = document.getElementById('desperation'); 42 52 43 53 function err(e, msg) { 44 54 loaderEl.classList.add('hidden'); ··· 66 76 window.open(url, '_blank'); 67 77 }; 68 78 79 79 + // check if we may be partitioned, preventing access after auth completion 80 80 + // this should only happen if on a browser that implements storage access api 81 81 + if ('hasStorageAccess' in document) { 82 82 + document.hasStorageAccess().then((hasAccess) => { 83 83 + if (!hasAccess) { 84 84 + promptEl.classList.add('hidden'); 85 85 + infoEl.classList.add('hidden'); 86 86 + needStorageEl.classList.remove('hidden'); 87 87 + desperation.addEventListener('click', () => { 88 88 + document.requestStorageAccess({ 89 89 + cookies: true, 90 90 + localStorage: true, 91 91 + }).then( 92 92 + () => { 93 93 + desperation.textContent = "(maybe helped?)"; 94 94 + setTimeout(() => location.reload(), 350); 95 95 + }, 96 96 + () => desperation.textContent = "(doubtful)", 97 97 + ); 98 98 + }) 99 99 + } 100 100 + }); 101 101 + } 102 102 + 69 103 window.addEventListener('storage', async e => { 70 104 // here's a fun minor vuln: we can't tell which flow triggers the storage event. 71 105 // so if you have two flows going, it grants for both (or the first responder?) if you grant for either. ··· 79 113 console.error("hmm, heard from localstorage but did not get DID", details, e); 80 114 err('sorry, something went wrong getting your details'); 81 115 } 82 82 - localStorage.removeItem(e.key); 83 116 84 117 let parsed; 85 118 try { ··· 127 160 return info.handle; 128 161 } 129 162 163 163 + const parentTarget = {{{json parent_target}}} ?? {{{json parent_origin}}}; 164 164 + 130 165 const shareAllow = (handle, token) => { 131 131 - top.postMessage( 132 132 - { action: "allow", handle, token }, 133 133 - {{{json parent_origin}}}, 134 134 - ); 166 166 + try { 167 167 + top.postMessage( 168 168 + { action: "allow", handle, token }, 169 169 + parentTarget, 170 170 + ); 171 171 + } catch (e) { 172 172 + err(e, 'Identity verified but failed to connect with app'); 173 173 + }; 135 174 promptEl.textContent = '✔️ shared'; 136 175 } 137 176 138 177 const shareDeny = reason => { 139 178 top.postMessage( 140 179 { action: "deny", reason }, 141 141 - {{{json parent_origin}}}, 180 180 + parentTarget, 142 181 ); 143 182 } 144 183 </script>