nekomimi.pet / microcosm-rs
forked from microcosm.blue/microcosm-rs
Constellation, Spacedust, Slingshot, UFOs: atproto crates and services for microcosm
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.github
workflows
build.yml
checks.yml
Cargo.lock
Cargo.toml
Makefile
constellation
Cargo.toml
LICENSE
LICENSE.future
readme.md
src
bin
main.rs
rocks-link-stats.rs
rocks-restore-from-backup.rs
server
filters.rs
mod.rs
storage
mem_store.rs
mod.rs
rocks_store.rs
templates
get-backlinks.html.j2
get-many-to-many-counts.html.j2
hello.html.j2
links.html.j2
try-it-macros.html.j2
cozy-setup (move to another repo).md
jetstream
Cargo.toml
legacy
cozy-setup (move to another repo).md
old-readme-details.md
original-notes.md
ufos ops (move to micro-ops).md
pocket
.gitignore
Cargo.toml
api-description.md
src
lib.rs
main.rs
server.rs
storage.rs
token.rs
static
index.html
quasar
Cargo.toml
readme.md
src
lib.rs
main.rs
storage.rs
readme.md
reflector
Cargo.toml
readme.md
src
main.rs
slingshot
.gitignore
Cargo.toml
api-description.md
readme.md
src
consumer.rs
error.rs
firehose_cache.rs
healthcheck.rs
identity.rs
lib.rs
main.rs
record.rs
server.rs
static
favicon.ico
index.html
spacedust
src
subscriber.rs
ufos
Cargo.toml
src
main.rs
storage.rs
storage_fjall.rs
ufos ops (move to micro-ops).md
who-am-i
.gitignore
Cargo.toml
demo
index.html
src
expiring_task_map.rs
jwt.rs
lib.rs
main.rs
oauth.rs
server.rs
static
style.css
templates
authorized.hbs
hello.hbs
prompt-error.hbs
prompt.hbs
+21
.github/workflows/build.yml
··· 1 + name: Build 2 + 3 + on: 4 + push: 5 + tags: 6 + - "reflector-v*.*.*" 7 + 8 + jobs: 9 + build: 10 + runs-on: ubuntu-latest 11 + permissions: 12 + contents: write 13 + 14 + steps: 15 + - uses: actions/checkout@v4 16 + - name: build reflector 17 + run: cargo build --bin reflector --release && mv target/release/reflector target/release/reflector_amd64 18 + - name: release 19 + uses: softprops/action-gh-release@v2 20 + with: 21 + files: target/release/reflector_amd64
+1 -1
.github/workflows/checks.yml
··· 28 28 - name: get nightly toolchain for jetstream fmt 29 29 run: rustup toolchain install nightly --allow-downgrade -c rustfmt 30 30 - name: fmt 31 - run: cargo fmt --package links --package constellation --package ufos --package spacedust --package who-am-i -- --check 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
+1545 -229
Cargo.lock
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+4
Cargo.toml
··· 8 8 "ufos/fuzz", 9 9 "spacedust", 10 10 "who-am-i", 11 + "slingshot", 12 + "quasar", 13 + "pocket", 14 + "reflector", 11 15 ]
+8 -1
Makefile
··· 5 5 cargo test --all-features 6 6 7 7 fmt: 8 - cargo fmt --package links --package constellation --package ufos --package spacedust --package who-am-i 8 + cargo fmt --package links \ 9 + --package constellation \ 10 + --package ufos \ 11 + --package spacedust \ 12 + --package who-am-i \ 13 + --package slingshot \ 14 + --package pocket \ 15 + --package reflector 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 - axum-extra = { version = "0.10.0", features = ["typed-header"] } 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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Interpretation of Sections 15 and 16. 611 + 612 + If the disclaimer of warranty and limitation of liability provided 613 + above cannot be given local legal effect according to their terms, 614 + reviewing courts shall apply local law that most closely approximates 615 + an absolute waiver of all civil liability in connection with the 616 + Program, unless a warranty or assumption of liability accompanies a 617 + copy of the Program in return for a fee. 618 + 619 + END OF TERMS AND CONDITIONS 620 + 621 + How to Apply These Terms to Your New Programs 622 + 623 + If you develop a new program, and you want it to be of the greatest 624 + possible use to the public, the best way to achieve this is to make it 625 + free software which everyone can redistribute and change under these terms. 626 + 627 + To do so, attach the following notices to the program. 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See the 643 + GNU Affero General Public License for more details. 644 + 645 + You should have received a copy of the GNU Affero General Public License 646 + along with this program. If not, see <https://www.gnu.org/licenses/>. 647 + 648 + Also add information on how to contact you by electronic and paper mail. 649 + 650 + If your software can interact with users remotely through a computer 651 + network, you should also make sure that it provides a way for users to 652 + get its source. For example, if your program is a web application, its 653 + interface could display a "Source" link that leads users to an archive 654 + of the code. 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+3
constellation/LICENSE.future
··· 1 + constellation's source code is currently only available under the AGPL license. 2 + 3 + it MAY be relicensed in the future to MIT and/or Apache 2.0, at the sole discretion of the microcosm organization, but is not available under these licenses today.
+9
constellation/readme.md
··· 83 83 ``` 84 84 85 85 86 + ## Contributions 87 + 88 + ### Licensing 89 + 90 + Constellation's source code is currently available exclusively under the AGPL license (see [LICENSE](./LICENSE)). 91 + 92 + In the future, its code MAY become available under the MIT and/or Apache2.0 licenses, at the sole discretion of the microcosm organization. Contributing implies acceptance with this possible future licensing change. The change has not happed yet and is not guaranteed. 93 + 94 + 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 + 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 - #[arg(short, long)] 25 + /// constellation server's listen address 26 + #[arg(long)] 27 + #[clap(default_value = "0.0.0.0:6789")] 28 + bind: SocketAddr, 29 + /// metrics server's listen address 30 + #[arg(long)] 31 + #[clap(default_value = "0.0.0.0:8765")] 32 + bind_metrics: SocketAddr, 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 + /// run a scan across the target id table and write all key -> ids to id -> keys 58 + #[arg(long, action)] 59 + repair_target_ids: bool, 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 + let bind = args.bind; 93 + let metrics_bind = args.bind_metrics; 94 + 81 95 let stay_alive = CancellationToken::new(); 82 96 83 97 match args.backend { 84 - StorageBackend::Memory => run(MemStorage::new(), fixture, None, stream, stay_alive), 98 + StorageBackend::Memory => run( 99 + MemStorage::new(), 100 + fixture, 101 + None, 102 + stream, 103 + bind, 104 + metrics_bind, 105 + stay_alive, 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 - run(rocks, fixture, args.data, stream, stay_alive) 121 + std::thread::scope(|s| { 122 + if args.repair_target_ids { 123 + let rocks = rocks.clone(); 124 + let stay_alive = stay_alive.clone(); 125 + s.spawn(move || { 126 + let rep = rocks.run_repair(time::Duration::from_millis(0), stay_alive); 127 + eprintln!("repair finished: {rep:?}"); 128 + rep 129 + }); 130 + } 131 + s.spawn(|| { 132 + let r = run( 133 + rocks, 134 + fixture, 135 + args.data, 136 + stream, 137 + bind, 138 + metrics_bind, 139 + stay_alive, 140 + ); 141 + eprintln!("run finished: {r:?}"); 142 + r 143 + }); 144 + }); 145 + Ok(()) 100 146 } 101 147 } 102 148 } ··· 106 152 fixture: Option<PathBuf>, 107 153 data_dir: Option<PathBuf>, 108 154 stream: String, 155 + bind: SocketAddr, 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 - install_metrics_server()?; 154 - serve(readable, "0.0.0.0:6789", staying_alive).await 201 + install_metrics_server(metrics_bind)?; 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 - Ok(StorageStats { dids, targetables, linking_records }) => { 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 - fn install_metrics_server() -> Result<()> { 269 + fn install_metrics_server(metrics_bind: SocketAddr) -> Result<()> { 222 270 println!("installing metrics server..."); 223 - let host = [0, 0, 0, 0]; 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 - .with_http_listener((host, port)) 276 + .with_http_listener(metrics_bind) 231 277 .install()?; 232 - println!( 233 - "metrics server installed! listening on http://{}.{}.{}.{}:{port}", 234 - host[0], host[1], host[2], host[3] 235 - ); 278 + println!("metrics server installed! listening at {metrics_bind:?}"); 236 279 Ok(()) 237 280 } 238 281
+2
constellation/src/bin/rocks-restore-from-backup.rs
··· 3 3 use clap::Parser; 4 4 use std::path::PathBuf; 5 5 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 + #[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 + 26 + pub fn to_u64(n: usize) -> askama::Result<u64> { 27 + Ok(n as u64) 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 - use std::collections::HashMap; 14 + use std::collections::{HashMap, HashSet}; 15 15 use std::time::{Duration, UNIX_EPOCH}; 16 16 use tokio::net::{TcpListener, ToSocketAddrs}; 17 - use tokio::task::block_in_place; 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 - const INDEX_BEGAN_AT_TS: u64 = 1738083600; // TODO: not this 31 + fn get_default_cursor_limit() -> u64 { 32 + DEFAULT_CURSOR_LIMIT 33 + } 34 + 35 + fn to500(e: tokio::task::JoinError) -> http::StatusCode { 36 + eprintln!("handler error: {e}"); 37 + http::StatusCode::INTERNAL_SERVER_ERROR 38 + } 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 - move |accept| async { block_in_place(|| hello(accept, store)) } 51 + move |accept| async { 52 + spawn_blocking(|| hello(accept, store)) 53 + .await 54 + .map_err(to500)? 55 + } 56 + }), 57 + ) 58 + .route( 59 + "/xrpc/blue.microcosm.links.getManyToManyCounts", 60 + get({ 61 + let store = store.clone(); 62 + move |accept, query| async { 63 + spawn_blocking(|| get_many_to_many_counts(accept, query, store)) 64 + .await 65 + .map_err(to500)? 66 + } 45 67 }), 46 68 ) 47 69 .route( 48 70 "/links/count", 49 71 get({ 50 72 let store = store.clone(); 51 - move |accept, query| async { block_in_place(|| count_links(accept, query, store)) } 73 + move |accept, query| async { 74 + spawn_blocking(|| count_links(accept, query, store)) 75 + .await 76 + .map_err(to500)? 77 + } 52 78 }), 53 79 ) 54 80 .route( ··· 56 82 get({ 57 83 let store = store.clone(); 58 84 move |accept, query| async { 59 - block_in_place(|| count_distinct_dids(accept, query, store)) 85 + spawn_blocking(|| count_distinct_dids(accept, query, store)) 86 + .await 87 + .map_err(to500)? 88 + } 89 + }), 90 + ) 91 + .route( 92 + "/xrpc/blue.microcosm.links.getBacklinks", 93 + get({ 94 + let store = store.clone(); 95 + move |accept, query| async { 96 + spawn_blocking(|| get_backlinks(accept, query, store)) 97 + .await 98 + .map_err(to500)? 60 99 } 61 100 }), 62 101 ) ··· 64 103 "/links", 65 104 get({ 66 105 let store = store.clone(); 67 - move |accept, query| async { block_in_place(|| get_links(accept, query, store)) } 106 + move |accept, query| async { 107 + spawn_blocking(|| get_links(accept, query, store)) 108 + .await 109 + .map_err(to500)? 110 + } 68 111 }), 69 112 ) 70 113 .route( ··· 72 115 get({ 73 116 let store = store.clone(); 74 117 move |accept, query| async { 75 - block_in_place(|| get_distinct_dids(accept, query, store)) 118 + spawn_blocking(|| get_distinct_dids(accept, query, store)) 119 + .await 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 - block_in_place(|| count_all_links(accept, query, store)) 130 + spawn_blocking(|| count_all_links(accept, query, store)) 131 + .await 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 - block_in_place(|| explore_links(accept, query, store)) 141 + spawn_blocking(|| explore_links(accept, query, store)) 142 + .await 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 - days_indexed: u64, 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 - let days_indexed = (UNIX_EPOCH + Duration::from_secs(INDEX_BEGAN_AT_TS)) 164 - .elapsed() 212 + let days_indexed = stats 213 + .started_at 214 + .map(|c| (UNIX_EPOCH + Duration::from_micros(c)).elapsed()) 215 + .transpose() 165 216 .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)? 166 - .as_secs() 167 - / 86400; 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 + #[serde(rename_all = "camelCase")] 227 + struct GetManyToManyCountsQuery { 228 + subject: String, 229 + source: String, 230 + /// path to the secondary link in the linking record 231 + path_to_other: String, 232 + /// filter to linking records (join of the m2m) by these DIDs 233 + #[serde(default)] 234 + did: Vec<String>, 235 + /// filter to specific secondary records 236 + #[serde(default)] 237 + other_subject: Vec<String>, 238 + cursor: Option<OpaqueApiCursor>, 239 + /// Set the max number of links to return per page of results 240 + #[serde(default = "get_default_cursor_limit")] 241 + limit: u64, 242 + } 243 + #[derive(Serialize)] 244 + struct OtherSubjectCount { 245 + subject: String, 246 + total: u64, 247 + distinct: u64, 248 + } 249 + #[derive(Template, Serialize)] 250 + #[template(path = "get-many-to-many-counts.html.j2")] 251 + struct GetManyToManyCountsResponse { 252 + counts_by_other_subject: Vec<OtherSubjectCount>, 253 + cursor: Option<OpaqueApiCursor>, 254 + #[serde(skip_serializing)] 255 + query: GetManyToManyCountsQuery, 256 + } 257 + fn get_many_to_many_counts( 258 + accept: ExtractAccept, 259 + query: axum_extra::extract::Query<GetManyToManyCountsQuery>, 260 + store: impl LinkReader, 261 + ) -> Result<impl IntoResponse, http::StatusCode> { 262 + let cursor_key = query 263 + .cursor 264 + .clone() 265 + .map(|oc| ApiKeyedCursor::try_from(oc).map_err(|_| http::StatusCode::BAD_REQUEST)) 266 + .transpose()? 267 + .map(|c| c.next); 268 + 269 + let limit = query.limit; 270 + if limit > DEFAULT_CURSOR_LIMIT_MAX { 271 + return Err(http::StatusCode::BAD_REQUEST); 272 + } 273 + 274 + let filter_dids: HashSet<Did> = HashSet::from_iter( 275 + query 276 + .did 277 + .iter() 278 + .map(|d| d.trim()) 279 + .filter(|d| !d.is_empty()) 280 + .map(|d| Did(d.to_string())), 281 + ); 282 + 283 + let filter_other_subjects: HashSet<String> = HashSet::from_iter( 284 + query 285 + .other_subject 286 + .iter() 287 + .map(|s| s.trim().to_string()) 288 + .filter(|s| !s.is_empty()), 289 + ); 290 + 291 + let Some((collection, path)) = query.source.split_once(':') else { 292 + return Err(http::StatusCode::BAD_REQUEST); 293 + }; 294 + let path = format!(".{path}"); 295 + 296 + let path_to_other = format!(".{}", query.path_to_other); 297 + 298 + let paged = store 299 + .get_many_to_many_counts( 300 + &query.subject, 301 + collection, 302 + &path, 303 + &path_to_other, 304 + limit, 305 + cursor_key, 306 + &filter_dids, 307 + &filter_other_subjects, 308 + ) 309 + .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 310 + 311 + let cursor = paged.next.map(|next| ApiKeyedCursor { next }.into()); 312 + 313 + let items = paged 314 + .items 315 + .into_iter() 316 + .map(|(subject, total, distinct)| OtherSubjectCount { 317 + subject, 318 + total, 319 + distinct, 320 + }) 321 + .collect(); 322 + 323 + Ok(acceptable( 324 + accept, 325 + GetManyToManyCountsResponse { 326 + counts_by_other_subject: items, 327 + cursor, 328 + query: (*query).clone(), 329 + }, 330 + )) 331 + } 332 + 333 + #[derive(Clone, Deserialize)] 176 334 struct GetLinksCountQuery { 177 335 target: String, 178 336 collection: String, ··· 233 391 } 234 392 235 393 #[derive(Clone, Deserialize)] 394 + struct GetBacklinksQuery { 395 + /// The link target 396 + /// 397 + /// can be an AT-URI, plain DID, or regular URI 398 + subject: String, 399 + /// Filter links only from this link source 400 + /// 401 + /// eg.: `app.bsky.feed.like:subject.uri` 402 + source: String, 403 + cursor: Option<OpaqueApiCursor>, 404 + /// Filter links only from these DIDs 405 + /// 406 + /// include multiple times to filter by multiple source DIDs 407 + #[serde(default)] 408 + did: Vec<String>, 409 + /// Set the max number of links to return per page of results 410 + #[serde(default = "get_default_cursor_limit")] 411 + limit: u64, 412 + // TODO: allow reverse (er, forward) order as well 413 + } 414 + #[derive(Template, Serialize)] 415 + #[template(path = "get-backlinks.html.j2")] 416 + struct GetBacklinksResponse { 417 + total: u64, 418 + records: Vec<RecordId>, 419 + cursor: Option<OpaqueApiCursor>, 420 + #[serde(skip_serializing)] 421 + query: GetBacklinksQuery, 422 + #[serde(skip_serializing)] 423 + collection: String, 424 + #[serde(skip_serializing)] 425 + path: String, 426 + } 427 + fn get_backlinks( 428 + accept: ExtractAccept, 429 + query: axum_extra::extract::Query<GetBacklinksQuery>, // supports multiple param occurrences 430 + store: impl LinkReader, 431 + ) -> Result<impl IntoResponse, http::StatusCode> { 432 + let until = query 433 + .cursor 434 + .clone() 435 + .map(|oc| ApiCursor::try_from(oc).map_err(|_| http::StatusCode::BAD_REQUEST)) 436 + .transpose()? 437 + .map(|c| c.next); 438 + 439 + let limit = query.limit; 440 + if limit > DEFAULT_CURSOR_LIMIT_MAX { 441 + return Err(http::StatusCode::BAD_REQUEST); 442 + } 443 + 444 + let filter_dids: HashSet<Did> = HashSet::from_iter( 445 + query 446 + .did 447 + .iter() 448 + .map(|d| d.trim()) 449 + .filter(|d| !d.is_empty()) 450 + .map(|d| Did(d.to_string())), 451 + ); 452 + 453 + let Some((collection, path)) = query.source.split_once(':') else { 454 + return Err(http::StatusCode::BAD_REQUEST); 455 + }; 456 + let path = format!(".{path}"); 457 + 458 + let paged = store 459 + .get_links( 460 + &query.subject, 461 + collection, 462 + &path, 463 + limit, 464 + until, 465 + &filter_dids, 466 + ) 467 + .map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?; 468 + 469 + let cursor = paged.next.map(|next| { 470 + ApiCursor { 471 + version: paged.version, 472 + next, 473 + } 474 + .into() 475 + }); 476 + 477 + Ok(acceptable( 478 + accept, 479 + GetBacklinksResponse { 480 + total: paged.total, 481 + records: paged.items, 482 + cursor, 483 + query: (*query).clone(), 484 + collection: collection.to_string(), 485 + path, 486 + }, 487 + )) 488 + } 489 + 490 + #[derive(Clone, Deserialize)] 236 491 struct GetLinkItemsQuery { 237 492 target: String, 238 493 collection: String, 239 494 path: String, 240 495 cursor: Option<OpaqueApiCursor>, 241 - limit: Option<u64>, 496 + /// Filter links only from these DIDs 497 + /// 498 + /// include multiple times to filter by multiple source DIDs 499 + #[serde(default)] 500 + did: Vec<String>, 501 + /// [deprecated] Filter links only from these DIDs 502 + /// 503 + /// format: comma-separated sequence of DIDs 504 + /// 505 + /// errors: if `did` parameter is also present 506 + /// 507 + /// deprecated: use `did`, which can be repeated multiple times 508 + from_dids: Option<String>, // comma separated: gross 509 + #[serde(default = "get_default_cursor_limit")] 510 + limit: u64, 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 - query: Query<GetLinkItemsQuery>, 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 - let limit = query.limit.unwrap_or(DEFAULT_CURSOR_LIMIT); 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 + let mut filter_dids: HashSet<Did> = HashSet::from_iter( 543 + query 544 + .did 545 + .iter() 546 + .map(|d| d.trim()) 547 + .filter(|d| !d.is_empty()) 548 + .map(|d| Did(d.to_string())), 549 + ); 550 + 551 + if let Some(comma_joined) = &query.from_dids { 552 + if !filter_dids.is_empty() { 553 + return Err(http::StatusCode::BAD_REQUEST); 554 + } 555 + for did in comma_joined.split(',') { 556 + filter_dids.insert(Did(did.to_string())); 557 + } 558 + } 559 + 273 560 let paged = store 274 - .get_links(&query.target, &query.collection, &query.path, limit, until) 561 + .get_links( 562 + &query.target, 563 + &query.collection, 564 + &query.path, 565 + limit, 566 + until, 567 + &filter_dids, 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 + 731 + #[derive(Serialize, Deserialize)] // for bincode 732 + struct ApiKeyedCursor { 733 + next: String, // the key 734 + } 735 + 736 + impl TryFrom<OpaqueApiCursor> for ApiKeyedCursor { 737 + type Error = bincode::Error; 738 + 739 + fn try_from(item: OpaqueApiCursor) -> Result<Self, Self::Error> { 740 + bincode::DefaultOptions::new().deserialize(&item.0) 741 + } 742 + } 743 + 744 + impl From<ApiKeyedCursor> for OpaqueApiCursor { 745 + fn from(item: ApiKeyedCursor) -> Self { 746 + OpaqueApiCursor(bincode::DefaultOptions::new().serialize(&item).unwrap()) 747 + } 748 + }
+93 -1
constellation/src/storage/mem_store.rs
··· 1 - use super::{LinkReader, LinkStorage, PagedAppendingCollection, StorageStats}; 1 + use super::{ 2 + LinkReader, LinkStorage, PagedAppendingCollection, PagedOrderedCollection, StorageStats, 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 + fn get_many_to_many_counts( 138 + &self, 139 + target: &str, 140 + collection: &str, 141 + path: &str, 142 + path_to_other: &str, 143 + limit: u64, 144 + after: Option<String>, 145 + filter_dids: &HashSet<Did>, 146 + filter_to_targets: &HashSet<String>, 147 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>> { 148 + let data = self.0.lock().unwrap(); 149 + let Some(paths) = data.targets.get(&Target::new(target)) else { 150 + return Ok(PagedOrderedCollection::default()); 151 + }; 152 + let Some(linkers) = paths.get(&Source::new(collection, path)) else { 153 + return Ok(PagedOrderedCollection::default()); 154 + }; 155 + 156 + let path_to_other = RecordPath::new(path_to_other); 157 + let filter_to_targets: HashSet<Target> = 158 + HashSet::from_iter(filter_to_targets.iter().map(|s| Target::new(s))); 159 + 160 + let mut grouped_counts: HashMap<Target, (u64, HashSet<Did>)> = HashMap::new(); 161 + for (did, rkey) in linkers.iter().flatten().cloned() { 162 + if !filter_dids.is_empty() && !filter_dids.contains(&did) { 163 + continue; 164 + } 165 + if let Some(fwd_target) = data 166 + .links 167 + .get(&did) 168 + .unwrap_or(&HashMap::new()) 169 + .get(&RepoId { 170 + collection: collection.to_string(), 171 + rkey, 172 + }) 173 + .unwrap_or(&Vec::new()) 174 + .iter() 175 + .filter_map(|(path, target)| { 176 + if *path == path_to_other 177 + && (filter_to_targets.is_empty() || filter_to_targets.contains(target)) 178 + { 179 + Some(target) 180 + } else { 181 + None 182 + } 183 + }) 184 + .take(1) 185 + .next() 186 + { 187 + let e = grouped_counts.entry(fwd_target.clone()).or_default(); 188 + e.0 += 1; 189 + e.1.insert(did.clone()); 190 + } 191 + } 192 + let mut items: Vec<(String, u64, u64)> = grouped_counts 193 + .iter() 194 + .map(|(k, (n, u))| (k.0.clone(), *n, u.len() as u64)) 195 + .collect(); 196 + items.sort(); 197 + items = items 198 + .into_iter() 199 + .skip_while(|(t, _, _)| after.as_ref().map(|a| t <= a).unwrap_or(false)) 200 + .take(limit as usize) 201 + .collect(); 202 + let next = if items.len() as u64 >= limit { 203 + items.last().map(|(t, _, _)| t.clone()) 204 + } else { 205 + None 206 + }; 207 + Ok(PagedOrderedCollection { items, next }) 208 + } 209 + 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 + 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 + }; 263 + 264 + let did_rkeys: Vec<_> = if !filter_dids.is_empty() { 265 + did_rkeys 266 + .iter() 267 + .filter(|m| { 268 + Option::<(Did, RKey)>::clone(m) 269 + .map(|(did, _)| filter_dids.contains(&did)) 270 + .unwrap_or(false) 271 + }) 272 + .cloned() 273 + .collect() 274 + } else { 275 + did_rkeys.to_vec() 186 276 }; 187 277 188 278 let total = did_rkeys.len(); ··· 338 428 dids, 339 429 targetables, 340 430 linking_records, 431 + started_at: None, 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 - use std::collections::HashMap; 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 + /// A paged collection whose keys are sorted instead of indexed 23 + /// 24 + /// this has weaker guarantees than PagedAppendingCollection: it might 25 + /// return a totally consistent snapshot. but it should avoid duplicates 26 + /// and each page should at least be internally consistent. 27 + #[derive(Debug, PartialEq, Default)] 28 + pub struct PagedOrderedCollection<T, K: Ord> { 29 + pub items: Vec<T>, 30 + pub next: Option<K>, 31 + } 32 + 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 + 48 + /// first jetstream cursor when this instance first started 49 + pub started_at: Option<u64>, 50 + 51 + /// anything else we want to throw in 52 + pub other_data: HashMap<String, u64>, 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 + #[allow(clippy::too_many_arguments)] 69 + fn get_many_to_many_counts( 70 + &self, 71 + target: &str, 72 + collection: &str, 73 + path: &str, 74 + path_to_other: &str, 75 + limit: u64, 76 + after: Option<String>, 77 + filter_dids: &HashSet<Did>, 78 + filter_to_targets: &HashSet<String>, 79 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>>; 80 + 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 + 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 - storage.get_links("a.com", "app.t.c", ".abc.uri", 100, None)?, 179 + storage.get_links( 180 + "a.com", 181 + "app.t.c", 182 + ".abc.uri", 183 + 100, 184 + None, 185 + &HashSet::default() 186 + )?, 149 187 PagedAppendingCollection { 150 188 version: (0, 0), 151 189 items: vec![], ··· 641 679 0, 642 680 )?; 643 681 assert_eq!( 644 - storage.get_links("a.com", "app.t.c", ".abc.uri", 100, None)?, 682 + storage.get_links( 683 + "a.com", 684 + "app.t.c", 685 + ".abc.uri", 686 + 100, 687 + None, 688 + &HashSet::default() 689 + )?, 645 690 PagedAppendingCollection { 646 691 version: (1, 0), 647 692 items: vec![RecordId { ··· 682 727 0, 683 728 )?; 684 729 } 685 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 730 + let links = 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 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 762 + let links = storage.get_links( 763 + "a.com", 764 + "app.t.c", 765 + ".abc.uri", 766 + 2, 767 + links.next, 768 + &HashSet::default(), 769 + )?; 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 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 800 + let links = storage.get_links( 801 + "a.com", 802 + "app.t.c", 803 + ".abc.uri", 804 + 2, 805 + links.next, 806 + &HashSet::default(), 807 + )?; 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 + test_each_storage!(get_filtered_links, |storage| { 835 + let links = storage.get_links( 836 + "a.com", 837 + "app.t.c", 838 + ".abc.uri", 839 + 2, 840 + None, 841 + &HashSet::from([Did("did:plc:linker".to_string())]), 842 + )?; 843 + assert_eq!( 844 + links, 845 + PagedAppendingCollection { 846 + version: (0, 0), 847 + items: vec![], 848 + next: None, 849 + total: 0, 850 + } 851 + ); 852 + 853 + storage.push( 854 + &ActionableEvent::CreateLinks { 855 + record_id: RecordId { 856 + did: "did:plc:linker".into(), 857 + collection: "app.t.c".into(), 858 + rkey: "asdf".into(), 859 + }, 860 + links: vec![CollectedLink { 861 + target: Link::Uri("a.com".into()), 862 + path: ".abc.uri".into(), 863 + }], 864 + }, 865 + 0, 866 + )?; 867 + 868 + let links = storage.get_links( 869 + "a.com", 870 + "app.t.c", 871 + ".abc.uri", 872 + 2, 873 + None, 874 + &HashSet::from([Did("did:plc:linker".to_string())]), 875 + )?; 876 + assert_eq!( 877 + links, 878 + PagedAppendingCollection { 879 + version: (1, 0), 880 + items: vec![RecordId { 881 + did: "did:plc:linker".into(), 882 + collection: "app.t.c".into(), 883 + rkey: "asdf".into(), 884 + },], 885 + next: None, 886 + total: 1, 887 + } 888 + ); 889 + 890 + let links = storage.get_links( 891 + "a.com", 892 + "app.t.c", 893 + ".abc.uri", 894 + 2, 895 + None, 896 + &HashSet::from([Did("did:plc:someone-else".to_string())]), 897 + )?; 898 + assert_eq!( 899 + links, 900 + PagedAppendingCollection { 901 + version: (0, 0), 902 + items: vec![], 903 + next: None, 904 + total: 0, 905 + } 906 + ); 907 + 908 + storage.push( 909 + &ActionableEvent::CreateLinks { 910 + record_id: RecordId { 911 + did: "did:plc:linker".into(), 912 + collection: "app.t.c".into(), 913 + rkey: "asdf-2".into(), 914 + }, 915 + links: vec![CollectedLink { 916 + target: Link::Uri("a.com".into()), 917 + path: ".abc.uri".into(), 918 + }], 919 + }, 920 + 0, 921 + )?; 922 + storage.push( 923 + &ActionableEvent::CreateLinks { 924 + record_id: RecordId { 925 + did: "did:plc:someone-else".into(), 926 + collection: "app.t.c".into(), 927 + rkey: "asdf".into(), 928 + }, 929 + links: vec![CollectedLink { 930 + target: Link::Uri("a.com".into()), 931 + path: ".abc.uri".into(), 932 + }], 933 + }, 934 + 0, 935 + )?; 936 + 937 + let links = storage.get_links( 938 + "a.com", 939 + "app.t.c", 940 + ".abc.uri", 941 + 2, 942 + None, 943 + &HashSet::from([Did("did:plc:linker".to_string())]), 944 + )?; 945 + assert_eq!( 946 + links, 947 + PagedAppendingCollection { 948 + version: (2, 0), 949 + items: vec![ 950 + RecordId { 951 + did: "did:plc:linker".into(), 952 + collection: "app.t.c".into(), 953 + rkey: "asdf-2".into(), 954 + }, 955 + RecordId { 956 + did: "did:plc:linker".into(), 957 + collection: "app.t.c".into(), 958 + rkey: "asdf".into(), 959 + }, 960 + ], 961 + next: None, 962 + total: 2, 963 + } 964 + ); 965 + 966 + let links = storage.get_links( 967 + "a.com", 968 + "app.t.c", 969 + ".abc.uri", 970 + 2, 971 + None, 972 + &HashSet::from([ 973 + Did("did:plc:linker".to_string()), 974 + Did("did:plc:someone-else".to_string()), 975 + ]), 976 + )?; 977 + assert_eq!( 978 + links, 979 + PagedAppendingCollection { 980 + version: (3, 0), 981 + items: vec![ 982 + RecordId { 983 + did: "did:plc:someone-else".into(), 984 + collection: "app.t.c".into(), 985 + rkey: "asdf".into(), 986 + }, 987 + RecordId { 988 + did: "did:plc:linker".into(), 989 + collection: "app.t.c".into(), 990 + rkey: "asdf-2".into(), 991 + }, 992 + ], 993 + next: Some(1), 994 + total: 3, 995 + } 996 + ); 997 + 998 + let links = storage.get_links( 999 + "a.com", 1000 + "app.t.c", 1001 + ".abc.uri", 1002 + 2, 1003 + None, 1004 + &HashSet::from([Did("did:plc:someone-unknown".to_string())]), 1005 + )?; 1006 + assert_eq!( 1007 + links, 1008 + PagedAppendingCollection { 1009 + version: (0, 0), 1010 + items: vec![], 1011 + next: None, 1012 + total: 0, 1013 + } 1014 + ); 1015 + }); 1016 + 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 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 1034 + let links = 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 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 1056 + let links = storage.get_links( 1057 + "a.com", 1058 + "app.t.c", 1059 + ".abc.uri", 1060 + 2, 1061 + links.next, 1062 + &HashSet::default(), 1063 + )?; 813 1064 assert_eq!( 814 1065 links, 815 1066 PagedAppendingCollection { ··· 850 1101 0, 851 1102 )?; 852 1103 } 853 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 1104 + let links = 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 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 1140 + let links = storage.get_links( 1141 + "a.com", 1142 + "app.t.c", 1143 + ".abc.uri", 1144 + 2, 1145 + links.next, 1146 + &HashSet::default(), 1147 + )?; 889 1148 assert_eq!( 890 1149 links, 891 1150 PagedAppendingCollection { ··· 926 1185 0, 927 1186 )?; 928 1187 } 929 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 1188 + let links = 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 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 1218 + let links = storage.get_links( 1219 + "a.com", 1220 + "app.t.c", 1221 + ".abc.uri", 1222 + 2, 1223 + links.next, 1224 + &HashSet::default(), 1225 + )?; 959 1226 assert_eq!( 960 1227 links, 961 1228 PagedAppendingCollection { ··· 989 1256 0, 990 1257 )?; 991 1258 } 992 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, None)?; 1259 + let links = 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 - let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?; 1285 + let links = storage.get_links( 1286 + "a.com", 1287 + "app.t.c", 1288 + ".abc.uri", 1289 + 2, 1290 + links.next, 1291 + &HashSet::default(), 1292 + )?; 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 + }); 1360 + 1361 + //////// many-to-many ///////// 1362 + 1363 + test_each_storage!(get_m2m_counts_empty, |storage| { 1364 + assert_eq!( 1365 + storage.get_many_to_many_counts( 1366 + "a.com", 1367 + "a.b.c", 1368 + ".d.e", 1369 + ".f.g", 1370 + 10, 1371 + None, 1372 + &HashSet::new(), 1373 + &HashSet::new(), 1374 + )?, 1375 + PagedOrderedCollection { 1376 + items: vec![], 1377 + next: None, 1378 + } 1379 + ); 1380 + }); 1381 + 1382 + test_each_storage!(get_m2m_counts_single, |storage| { 1383 + storage.push( 1384 + &ActionableEvent::CreateLinks { 1385 + record_id: RecordId { 1386 + did: "did:plc:asdf".into(), 1387 + collection: "app.t.c".into(), 1388 + rkey: "asdf".into(), 1389 + }, 1390 + links: vec![ 1391 + CollectedLink { 1392 + target: Link::Uri("a.com".into()), 1393 + path: ".abc.uri".into(), 1394 + }, 1395 + CollectedLink { 1396 + target: Link::Uri("b.com".into()), 1397 + path: ".def.uri".into(), 1398 + }, 1399 + CollectedLink { 1400 + target: Link::Uri("b.com".into()), 1401 + path: ".ghi.uri".into(), 1402 + }, 1403 + ], 1404 + }, 1405 + 0, 1406 + )?; 1407 + assert_eq!( 1408 + storage.get_many_to_many_counts( 1409 + "a.com", 1410 + "app.t.c", 1411 + ".abc.uri", 1412 + ".def.uri", 1413 + 10, 1414 + None, 1415 + &HashSet::new(), 1416 + &HashSet::new(), 1417 + )?, 1418 + PagedOrderedCollection { 1419 + items: vec![("b.com".to_string(), 1, 1)], 1420 + next: None, 1421 + } 1422 + ); 1423 + }); 1424 + 1425 + test_each_storage!(get_m2m_counts_filters, |storage| { 1426 + storage.push( 1427 + &ActionableEvent::CreateLinks { 1428 + record_id: RecordId { 1429 + did: "did:plc:asdf".into(), 1430 + collection: "app.t.c".into(), 1431 + rkey: "asdf".into(), 1432 + }, 1433 + links: vec![ 1434 + CollectedLink { 1435 + target: Link::Uri("a.com".into()), 1436 + path: ".abc.uri".into(), 1437 + }, 1438 + CollectedLink { 1439 + target: Link::Uri("b.com".into()), 1440 + path: ".def.uri".into(), 1441 + }, 1442 + ], 1443 + }, 1444 + 0, 1445 + )?; 1446 + storage.push( 1447 + &ActionableEvent::CreateLinks { 1448 + record_id: RecordId { 1449 + did: "did:plc:asdfasdf".into(), 1450 + collection: "app.t.c".into(), 1451 + rkey: "asdf".into(), 1452 + }, 1453 + links: vec![ 1454 + CollectedLink { 1455 + target: Link::Uri("a.com".into()), 1456 + path: ".abc.uri".into(), 1457 + }, 1458 + CollectedLink { 1459 + target: Link::Uri("b.com".into()), 1460 + path: ".def.uri".into(), 1461 + }, 1462 + ], 1463 + }, 1464 + 1, 1465 + )?; 1466 + storage.push( 1467 + &ActionableEvent::CreateLinks { 1468 + record_id: RecordId { 1469 + did: "did:plc:fdsa".into(), 1470 + collection: "app.t.c".into(), 1471 + rkey: "asdf".into(), 1472 + }, 1473 + links: vec![ 1474 + CollectedLink { 1475 + target: Link::Uri("a.com".into()), 1476 + path: ".abc.uri".into(), 1477 + }, 1478 + CollectedLink { 1479 + target: Link::Uri("c.com".into()), 1480 + path: ".def.uri".into(), 1481 + }, 1482 + ], 1483 + }, 1484 + 2, 1485 + )?; 1486 + storage.push( 1487 + &ActionableEvent::CreateLinks { 1488 + record_id: RecordId { 1489 + did: "did:plc:fdsa".into(), 1490 + collection: "app.t.c".into(), 1491 + rkey: "asdf2".into(), 1492 + }, 1493 + links: vec![ 1494 + CollectedLink { 1495 + target: Link::Uri("a.com".into()), 1496 + path: ".abc.uri".into(), 1497 + }, 1498 + CollectedLink { 1499 + target: Link::Uri("c.com".into()), 1500 + path: ".def.uri".into(), 1501 + }, 1502 + ], 1503 + }, 1504 + 3, 1505 + )?; 1506 + assert_eq!( 1507 + storage.get_many_to_many_counts( 1508 + "a.com", 1509 + "app.t.c", 1510 + ".abc.uri", 1511 + ".def.uri", 1512 + 10, 1513 + None, 1514 + &HashSet::new(), 1515 + &HashSet::new(), 1516 + )?, 1517 + PagedOrderedCollection { 1518 + items: vec![("b.com".to_string(), 2, 2), ("c.com".to_string(), 2, 1),], 1519 + next: None, 1520 + } 1521 + ); 1522 + assert_eq!( 1523 + storage.get_many_to_many_counts( 1524 + "a.com", 1525 + "app.t.c", 1526 + ".abc.uri", 1527 + ".def.uri", 1528 + 10, 1529 + None, 1530 + &HashSet::from_iter([Did("did:plc:fdsa".to_string())]), 1531 + &HashSet::new(), 1532 + )?, 1533 + PagedOrderedCollection { 1534 + items: vec![("c.com".to_string(), 2, 1),], 1535 + next: None, 1536 + } 1537 + ); 1538 + assert_eq!( 1539 + storage.get_many_to_many_counts( 1540 + "a.com", 1541 + "app.t.c", 1542 + ".abc.uri", 1543 + ".def.uri", 1544 + 10, 1545 + None, 1546 + &HashSet::new(), 1547 + &HashSet::from_iter(["b.com".to_string()]), 1548 + )?, 1549 + PagedOrderedCollection { 1550 + items: vec![("b.com".to_string(), 2, 2),], 1551 + next: None, 1552 + } 1553 + ); 1084 1554 }); 1085 1555 }
+361 -41
constellation/src/storage/rocks_store.rs
··· 1 - use super::{ActionableEvent, LinkReader, LinkStorage, PagedAppendingCollection, StorageStats}; 1 + use super::{ 2 + ActionableEvent, LinkReader, LinkStorage, PagedAppendingCollection, PagedOrderedCollection, 3 + StorageStats, 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 - use std::collections::{HashMap, HashSet}; 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 - use std::time::{Duration, Instant}; 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 + static STARTED_AT_KEY: &str = "jetstream_first_cursor"; 36 + // add reverse mappings for targets if this db was running before that was a thing 37 + static TARGET_ID_REPAIR_STATE_KEY: &str = "target_id_table_repair_state"; 38 + 39 + static COZY_FIRST_CURSOR: u64 = 1_738_083_600_000_000; // constellation.microcosm.blue started 40 + 41 + #[derive(Debug, Clone, Serialize, Deserialize)] 42 + struct TargetIdRepairState { 43 + /// start time for repair, microseconds timestamp 44 + current_us_started_at: u64, 45 + /// id table's latest id when repair started 46 + id_when_started: u64, 47 + /// id table id 48 + latest_repaired_i: u64, 49 + } 50 + impl AsRocksValue for TargetIdRepairState {} 51 + impl ValueFromRocks for TargetIdRepairState {} 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 - did_id_table: IdTable<Did, DidIdValue, true>, 60 - target_id_table: IdTable<TargetKey, TargetId, false>, 79 + did_id_table: IdTable<Did, DidIdValue>, 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 - fn init<const WITH_REVERSE: bool>( 89 - self, 90 - db: &DBWithThreadMode<MultiThreaded>, 91 - ) -> Result<IdTable<Orig, IdVal, WITH_REVERSE>> { 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 - struct IdTable<Orig, IdVal: IdTableValue, const WITH_REVERSE: bool> 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 - impl<Orig: Clone, IdVal: IdTableValue, const WITH_REVERSE: bool> IdTable<Orig, IdVal, WITH_REVERSE> 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 - id_seq: Arc::new(AtomicU64::new(0)), // zero is "uninint", first seq num will be 1 159 + 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 + 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 - } 185 - impl<Orig: Clone, IdVal: IdTableValue> IdTable<Orig, IdVal, true> 186 - where 187 - Orig: KeyFromRocks, 188 - for<'v> &'v IdVal: AsRocksValue, 189 - for<'k> &'k Orig: AsRocksKey, 190 - { 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 - impl<Orig: Clone, IdVal: IdTableValue> IdTable<Orig, IdVal, false> 219 - where 220 - Orig: KeyFromRocks, 221 - for<'v> &'v IdVal: AsRocksValue, 222 - for<'k> &'k Orig: AsRocksKey, 223 - { 224 - fn get_or_create_id_val( 225 - &mut self, 226 - db: &DBWithThreadMode<MultiThreaded>, 227 - batch: &mut WriteBatch, 228 - orig: &Orig, 229 - ) -> Result<IdVal> { 230 - let cf = db.cf_handle(&self.base.name).unwrap(); 231 - self.__get_or_create_id_val(&cf, db, batch, orig) 232 - } 233 - } 234 230 235 231 impl IdTableValue for DidIdValue { 236 232 fn new(v: u64) -> Self { ··· 249 245 } 250 246 } 251 247 248 + fn now() -> u64 { 249 + SystemTime::now() 250 + .duration_since(UNIX_EPOCH) 251 + .unwrap() 252 + .as_micros() as u64 253 + } 254 + 252 255 impl RocksStorage { 253 256 pub fn new(path: impl AsRef<Path>) -> Result<Self> { 254 257 Self::describe_metrics(); 255 - RocksStorage::open_readmode(path, false) 258 + let me = RocksStorage::open_readmode(path, false)?; 259 + me.global_init()?; 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 - let did_id_table = IdTable::<_, _, true>::setup(DID_IDS_CF); 264 - let target_id_table = IdTable::<_, _, false>::setup(TARGET_IDS_CF); 268 + let did_id_table = IdTable::setup(DID_IDS_CF); 269 + let target_id_table = IdTable::setup(TARGET_IDS_CF); 265 270 271 + // note: global stuff like jetstream cursor goes in the default cf 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 + } 307 + 308 + fn global_init(&self) -> Result<()> { 309 + let first_run = self.db.get(JETSTREAM_CURSOR_KEY)?.is_some(); 310 + if first_run { 311 + self.db.put(STARTED_AT_KEY, _rv(now()))?; 312 + 313 + // hack / temporary: if we're a new db, put in a completed repair 314 + // state so we don't run repairs (repairs are for old-code dbs) 315 + let completed = TargetIdRepairState { 316 + id_when_started: 0, 317 + current_us_started_at: 0, 318 + latest_repaired_i: 0, 319 + }; 320 + self.db.put(TARGET_ID_REPAIR_STATE_KEY, _rv(completed))?; 321 + } 322 + Ok(()) 323 + } 324 + 325 + pub fn run_repair(&self, breather: Duration, stay_alive: CancellationToken) -> Result<bool> { 326 + let mut state = match self 327 + .db 328 + .get(TARGET_ID_REPAIR_STATE_KEY)? 329 + .map(|s| _vr(&s)) 330 + .transpose()? 331 + { 332 + Some(s) => s, 333 + None => TargetIdRepairState { 334 + id_when_started: self.did_id_table.priv_id_seq, 335 + current_us_started_at: now(), 336 + latest_repaired_i: 0, 337 + }, 338 + }; 339 + 340 + eprintln!("initial repair state: {state:?}"); 341 + 342 + let cf = self.db.cf_handle(TARGET_IDS_CF).unwrap(); 343 + 344 + let mut iter = self.db.raw_iterator_cf(&cf); 345 + iter.seek_to_first(); 346 + 347 + eprintln!("repair iterator sent to first key"); 348 + 349 + // skip ahead if we're done some, or take a single first step 350 + for _ in 0..state.latest_repaired_i { 351 + iter.next(); 352 + } 353 + 354 + eprintln!( 355 + "repair iterator skipped to {}th key", 356 + state.latest_repaired_i 357 + ); 358 + 359 + let mut maybe_done = false; 360 + 361 + let mut write_fast = rocksdb::WriteOptions::default(); 362 + write_fast.set_sync(false); 363 + write_fast.disable_wal(true); 364 + 365 + while !stay_alive.is_cancelled() && !maybe_done { 366 + // let mut batch = WriteBatch::default(); 367 + 368 + let mut any_written = false; 369 + 370 + for _ in 0..1000 { 371 + if state.latest_repaired_i % 1_000_000 == 0 { 372 + eprintln!("target iter at {}", state.latest_repaired_i); 373 + } 374 + state.latest_repaired_i += 1; 375 + 376 + if !iter.valid() { 377 + eprintln!("invalid iter, are we done repairing?"); 378 + maybe_done = true; 379 + break; 380 + }; 381 + 382 + // eprintln!("iterator seems to be valid! getting the key..."); 383 + let raw_key = iter.key().unwrap(); 384 + if raw_key.len() == 8 { 385 + // eprintln!("found an 8-byte key, skipping it since it's probably an id..."); 386 + iter.next(); 387 + continue; 388 + } 389 + let target: TargetKey = _kr::<TargetKey>(raw_key)?; 390 + let target_id: TargetId = _vr(iter.value().unwrap())?; 391 + 392 + self.db 393 + .put_cf_opt(&cf, target_id.id().to_be_bytes(), _rv(&target), &write_fast)?; 394 + any_written = true; 395 + iter.next(); 396 + } 397 + 398 + if any_written { 399 + self.db 400 + .put(TARGET_ID_REPAIR_STATE_KEY, _rv(state.clone()))?; 401 + std::thread::sleep(breather); 402 + } 403 + } 404 + 405 + eprintln!("repair iterator done."); 406 + 407 + Ok(false) 299 408 } 300 409 301 410 pub fn start_backup( ··· 826 935 } 827 936 828 937 impl LinkReader for RocksStorage { 938 + fn get_many_to_many_counts( 939 + &self, 940 + target: &str, 941 + collection: &str, 942 + path: &str, 943 + path_to_other: &str, 944 + limit: u64, 945 + after: Option<String>, 946 + filter_dids: &HashSet<Did>, 947 + filter_to_targets: &HashSet<String>, 948 + ) -> Result<PagedOrderedCollection<(String, u64, u64), String>> { 949 + let collection = Collection(collection.to_string()); 950 + let path = RPath(path.to_string()); 951 + 952 + let target_key = TargetKey(Target(target.to_string()), collection.clone(), path.clone()); 953 + 954 + // unfortunately the cursor is a, uh, stringified number. 955 + // this was easier for the memstore (plain target, not target id), and 956 + // making it generic is a bit awful. 957 + // so... parse the number out of a string here :( 958 + // TODO: this should bubble up to a BAD_REQUEST response 959 + let after = after.map(|s| s.parse::<u64>().map(TargetId)).transpose()?; 960 + 961 + let Some(target_id) = self.target_id_table.get_id_val(&self.db, &target_key)? else { 962 + eprintln!("nothin doin for this target, {target_key:?}"); 963 + return Ok(Default::default()); 964 + }; 965 + 966 + let filter_did_ids: HashMap<DidId, bool> = filter_dids 967 + .iter() 968 + .filter_map(|did| self.did_id_table.get_id_val(&self.db, did).transpose()) 969 + .collect::<Result<Vec<DidIdValue>>>()? 970 + .into_iter() 971 + .map(|DidIdValue(id, active)| (id, active)) 972 + .collect(); 973 + 974 + // stored targets are keyed by triples of (target, collection, path). 975 + // target filtering only consideres the target itself, so we actually 976 + // need to do a prefix iteration of all target ids for this target and 977 + // keep them all. 978 + // i *think* the number of keys at a target prefix should usually be 979 + // pretty small, so this is hopefully fine. but if it turns out to be 980 + // large, we can push this filtering back into the main links loop and 981 + // do forward db queries per backlink to get the raw target back out. 982 + let mut filter_to_target_ids: HashSet<TargetId> = HashSet::new(); 983 + for t in filter_to_targets { 984 + for (_, target_id) in self.iter_targets_for_target(&Target(t.to_string())) { 985 + filter_to_target_ids.insert(target_id); 986 + } 987 + } 988 + 989 + let linkers = self.get_target_linkers(&target_id)?; 990 + 991 + let mut grouped_counts: BTreeMap<TargetId, (u64, HashSet<DidId>)> = BTreeMap::new(); 992 + 993 + for (did_id, rkey) in linkers.0 { 994 + if did_id.is_empty() { 995 + continue; 996 + } 997 + 998 + if !filter_did_ids.is_empty() && filter_did_ids.get(&did_id) != Some(&true) { 999 + continue; 1000 + } 1001 + 1002 + let record_link_key = RecordLinkKey(did_id, collection.clone(), rkey); 1003 + let Some(targets) = self.get_record_link_targets(&record_link_key)? else { 1004 + continue; 1005 + }; 1006 + 1007 + let Some(fwd_target) = targets 1008 + .0 1009 + .into_iter() 1010 + .filter_map(|RecordLinkTarget(rpath, target_id)| { 1011 + if rpath.0 == path_to_other 1012 + && (filter_to_target_ids.is_empty() 1013 + || filter_to_target_ids.contains(&target_id)) 1014 + { 1015 + Some(target_id) 1016 + } else { 1017 + None 1018 + } 1019 + }) 1020 + .take(1) 1021 + .next() 1022 + else { 1023 + eprintln!("no forward match"); 1024 + continue; 1025 + }; 1026 + 1027 + // small relief: we page over target ids, so we can already bail 1028 + // reprocessing previous pages here 1029 + if after.as_ref().map(|a| fwd_target <= *a).unwrap_or(false) { 1030 + continue; 1031 + } 1032 + 1033 + // aand we can skip target ids that must be on future pages 1034 + // (this check continues after the did-lookup, which we have to do) 1035 + let page_is_full = grouped_counts.len() as u64 >= limit; 1036 + if page_is_full { 1037 + let current_max = grouped_counts.keys().next_back().unwrap(); // limit should be non-zero bleh 1038 + if fwd_target > *current_max { 1039 + continue; 1040 + } 1041 + } 1042 + 1043 + // bit painful: 2-step lookup to make sure this did is active 1044 + let Some(did) = self.did_id_table.get_val_from_id(&self.db, did_id.0)? else { 1045 + eprintln!("failed to look up did from did_id {did_id:?}"); 1046 + continue; 1047 + }; 1048 + let Some(DidIdValue(_, active)) = self.did_id_table.get_id_val(&self.db, &did)? else { 1049 + eprintln!("failed to look up did_value from did_id {did_id:?}: {did:?}: data consistency bug?"); 1050 + continue; 1051 + }; 1052 + if !active { 1053 + continue; 1054 + } 1055 + 1056 + // page-management, continued 1057 + // if we have a full page, and we're inserting a *new* key less than 1058 + // the current max, then we can evict the current max 1059 + let mut should_evict = false; 1060 + let entry = grouped_counts.entry(fwd_target.clone()).or_insert_with(|| { 1061 + // this is a *new* key, so kick the max if we're full 1062 + should_evict = page_is_full; 1063 + Default::default() 1064 + }); 1065 + entry.0 += 1; 1066 + entry.1.insert(did_id); 1067 + 1068 + if should_evict { 1069 + grouped_counts.pop_last(); 1070 + } 1071 + } 1072 + 1073 + let mut items: Vec<(String, u64, u64)> = Vec::with_capacity(grouped_counts.len()); 1074 + for (target_id, (n, dids)) in &grouped_counts { 1075 + let Some(target) = self 1076 + .target_id_table 1077 + .get_val_from_id(&self.db, target_id.0)? 1078 + else { 1079 + eprintln!("failed to look up target from target_id {target_id:?}"); 1080 + continue; 1081 + }; 1082 + items.push((target.0 .0, *n, dids.len() as u64)); 1083 + } 1084 + 1085 + let next = if grouped_counts.len() as u64 >= limit { 1086 + // yeah.... it's a number saved as a string......sorry 1087 + grouped_counts 1088 + .keys() 1089 + .next_back() 1090 + .map(|k| format!("{}", k.0)) 1091 + } else { 1092 + None 1093 + }; 1094 + 1095 + Ok(PagedOrderedCollection { items, next }) 1096 + } 1097 + 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 + 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 - let linkers = self.get_target_linkers(&target_id)?; 1149 + let mut linkers = self.get_target_linkers(&target_id)?; 1150 + if !filter_dids.is_empty() { 1151 + let mut did_filter = HashSet::new(); 1152 + for did in filter_dids { 1153 + let Some(DidIdValue(did_id, active)) = 1154 + self.did_id_table.get_id_val(&self.db, did)? 1155 + else { 1156 + eprintln!("failed to find a did_id for {did:?}"); 1157 + continue; 1158 + }; 1159 + if !active { 1160 + eprintln!("excluding inactive did from filtered results"); 1161 + continue; 1162 + } 1163 + did_filter.insert(did_id); 1164 + } 1165 + linkers.0.retain(|linker| did_filter.contains(&linker.0)); 1166 + } 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 + let started_at = self 1315 + .db 1316 + .get(STARTED_AT_KEY)? 1317 + .map(|c| _vr(&c)) 1318 + .transpose()? 1319 + .unwrap_or(COZY_FIRST_CURSOR); 1320 + 1321 + let other_data = self 1322 + .db 1323 + .get(TARGET_ID_REPAIR_STATE_KEY)? 1324 + .map(|s| _vr(&s)) 1325 + .transpose()? 1326 + .map( 1327 + |TargetIdRepairState { 1328 + current_us_started_at, 1329 + id_when_started, 1330 + latest_repaired_i, 1331 + }| { 1332 + HashMap::from([ 1333 + ("current_us_started_at".to_string(), current_us_started_at), 1334 + ("id_when_started".to_string(), id_when_started), 1335 + ("latest_repaired_i".to_string(), latest_repaired_i), 1336 + ]) 1337 + }, 1338 + ) 1339 + .unwrap_or(HashMap::default()); 1340 + 1027 1341 Ok(StorageStats { 1028 1342 dids, 1029 1343 targetables, 1030 1344 linking_records, 1345 + started_at: Some(started_at), 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 + 1373 + // temp? 1374 + impl KeyFromRocks for TargetId {} 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 - #[derive(Debug, Clone, Serialize, Deserialize)] 1447 + #[derive(Debug, Clone, Serialize, Deserialize, PartialOrd, Ord, PartialEq, Eq, Hash)] 1128 1448 struct TargetId(u64); // key 1129 1449 1130 - #[derive(Debug, Clone, Serialize, Deserialize)] 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 + {% extends "base.html.j2" %} 2 + {% import "try-it-macros.html.j2" as try_it %} 3 + 4 + {% block title %}Backlinks{% endblock %} 5 + {% block description %}All {{ query.source }} records with links to {{ query.subject }}{% endblock %} 6 + 7 + {% block content %} 8 + 9 + {% call try_it::get_backlinks(query.subject, query.source, query.did, query.limit) %} 10 + 11 + <h2> 12 + Links to <code>{{ query.subject }}</code> 13 + {% if let Some(browseable_uri) = query.subject|to_browseable %} 14 + <small style="font-weight: normal; font-size: 1rem"><a href="{{ browseable_uri }}">browse record</a></small> 15 + {% endif %} 16 + </h2> 17 + 18 + <p><strong>{{ total|human_number }} links</strong> from <code>{{ query.source }}</code>.</p> 19 + 20 + <ul> 21 + <li>See distinct linking DIDs at <code>/links/distinct-dids</code>: <a href="/links/distinct-dids?target={{ query.subject|urlencode }}&collection={{ collection|urlencode }}&path={{ path|urlencode }}">/links/distinct-dids?target={{ query.subject }}&collection={{ collection }}&path={{ path }}</a></li> 22 + <li>See all links to this target at <code>/links/all</code>: <a href="/links/all?target={{ query.subject|urlencode }}">/links/all?target={{ query.subject }}</a></li> 23 + </ul> 24 + 25 + <h3>Links, most recent first:</h3> 26 + 27 + {% for record in records %} 28 + <pre style="display: block; margin: 1em 2em" class="code"><strong>DID</strong>: {{ record.did().0 }} (<a href="/links/all?target={{ record.did().0|urlencode }}">DID links</a>) 29 + <strong>Collection</strong>: {{ record.collection }} 30 + <strong>RKey</strong>: {{ record.rkey }} 31 + -> <a href="https://pdsls.dev/at://{{ record.did().0 }}/{{ record.collection }}/{{ record.rkey }}">browse record</a></pre> 32 + {% endfor %} 33 + 34 + {% if let Some(c) = cursor %} 35 + <form method="get" action="/xrpc/blue.microcosm.links.getBacklinks"> 36 + <input type="hidden" name="subject" value="{{ query.subject }}" /> 37 + <input type="hidden" name="source" value="{{ query.source }}" /> 38 + <input type="hidden" name="limit" value="{{ query.limit }}" /> 39 + {% for did in query.did %} 40 + <input type="hidden" name="did" value="{{ did }}" /> 41 + {% endfor %} 42 + <input type="hidden" name="cursor" value={{ c|json|safe }} /> 43 + <button type="submit">next page&hellip;</button> 44 + </form> 45 + {% else %} 46 + <button disabled><em>end of results</em></button> 47 + {% endif %} 48 + 49 + <details> 50 + <summary>Raw JSON response</summary> 51 + <pre class="code">{{ self|tojson }}</pre> 52 + </details> 53 + 54 + {% endblock %}
+67
constellation/templates/get-many-to-many-counts.html.j2
··· 1 + {% extends "base.html.j2" %} 2 + {% import "try-it-macros.html.j2" as try_it %} 3 + 4 + {% block title %}Many to Many counts{% endblock %} 5 + {% block description %}Counts of many-to-many {{ query.source }} join records with links to {{ query.subject }} and a secondary target at {{ query.path_to_other }}{% endblock %} 6 + 7 + {% block content %} 8 + 9 + {% call try_it::get_many_to_many_counts( 10 + query.subject, 11 + query.source, 12 + query.path_to_other, 13 + query.did, 14 + query.other_subject, 15 + query.limit, 16 + ) %} 17 + 18 + <h2> 19 + Many-to-many links to <code>{{ query.subject }}</code> joining through <code>{{ query.path_to_other }}</code> 20 + {% if let Some(browseable_uri) = query.subject|to_browseable %} 21 + <small style="font-weight: normal; font-size: 1rem"><a href="{{ browseable_uri }}">browse record</a></small> 22 + {% endif %} 23 + </h2> 24 + 25 + <p><strong>{% if cursor.is_some() || query.cursor.is_some() %}more than {% endif %}{{ counts_by_other_subject.len()|to_u64|human_number }} joins</strong> <code>{{ query.source }}→{{ query.path_to_other }}</code></p> 26 + 27 + <ul> 28 + <li>See direct backlinks at <code>/xrpc/blue.microcosm.links.getBacklinks</code>: <a href="/xrpc/blue.microcosm.links.getBacklinks?subject={{ query.subject|urlencode }}&source={{ query.source|urlencode }}">/xrpc/blue.microcosm.links.getBacklinks?subject={{ query.subject }}&source={{ query.source }}</a></li> 29 + <li>See all links to this target at <code>/links/all</code>: <a href="/links/all?target={{ query.subject|urlencode }}">/links/all?target={{ query.subject }}</a></li> 30 + </ul> 31 + 32 + <h3>Counts by other subject:</h3> 33 + 34 + {% for counts in counts_by_other_subject %} 35 + <pre style="display: block; margin: 1em 2em" class="code"><strong>Joined subject</strong>: {{ counts.subject }} 36 + <strong>Joining records</strong>: {{ counts.total }} 37 + <strong>Unique joiner ids</strong>: {{ counts.distinct }} 38 + -> {% if let Some(browseable_uri) = counts.subject|to_browseable -%} 39 + <a href="{{ browseable_uri }}">browse record</a> 40 + {%- endif %}</pre> 41 + {% endfor %} 42 + 43 + {% if let Some(c) = cursor %} 44 + <form method="get" action="/xrpc/blue.microcosm.links.getManyToManyCounts"> 45 + <input type="hidden" name="subject" value="{{ query.subject }}" /> 46 + <input type="hidden" name="source" value="{{ query.source }}" /> 47 + <input type="hidden" name="pathToOther" value="{{ query.path_to_other }}" /> 48 + {% for did in query.did %} 49 + <input type="hidden" name="did" value="{{ did }}" /> 50 + {% endfor %} 51 + {% for otherSubject in query.other_subject %} 52 + <input type="hidden" name="otherSubject" value="{{ otherSubject }}" /> 53 + {% endfor %} 54 + <input type="hidden" name="limit" value="{{ query.limit }}" /> 55 + <input type="hidden" name="cursor" value={{ c|json|safe }} /> 56 + <button type="submit">next page&hellip;</button> 57 + </form> 58 + {% else %} 59 + <button disabled><em>end of results</em></button> 60 + {% endif %} 61 + 62 + <details> 63 + <summary>Raw JSON response</summary> 64 + <pre class="code">{{ self|tojson }}</pre> 65 + </details> 66 + 67 + {% endblock %}
+65 -7
constellation/templates/hello.html.j2
··· 19 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 - This server has indexed <span class="stat">{{ stats.linking_records|human_number }}</span> links between <span class="stat">{{ stats.targetables|human_number }}</span> targets and sources from <span class="stat">{{ stats.dids|human_number }}</span> identities over <span class="stat">{{ days_indexed|human_number }}</span> days.<br/> 23 - <small>(indexing new records in real time, backfill still TODO)</small> 22 + This server has indexed <span class="stat">{{ stats.linking_records|human_number }}</span> links between <span class="stat">{{ stats.targetables|human_number }}</span> targets and sources from <span class="stat">{{ stats.dids|human_number }}</span> identities over <span class="stat"> 23 + {%- if let Some(days) = days_indexed %} 24 + {{ days|human_number }} 25 + {% else %} 26 + ??? 27 + {% endif -%} 28 + </span> days.<br/> 29 + <small>(indexing new records in real time, backfill coming soon!)</small> 24 30 </p> 25 31 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 + {# {% for k, v in stats.other_data.iter() %} 33 + <p><strong>{{ k }}</strong>: {{ v }}</p> 34 + {% endfor %} #} 35 + 36 + <p>You're welcome to use this public instance! Please do not build the torment nexus. If you want to be nice, put your project name and bsky username (or email) in your user-agent header for api requests.</p> 27 37 28 38 29 39 <h2>API Endpoints</h2> 30 40 41 + <h3 class="route"><code>GET /xrpc/blue.microcosm.links.getBacklinks</code></h3> 42 + 43 + <p>A list of records linking to any record, identity, or uri.</p> 44 + 45 + <h4>Query parameters:</h4> 46 + 47 + <ul> 48 + <li><p><code>subject</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></p></li> 49 + <li><p><code>source</code>: required. Example: <code>app.bsky.feed.like:subject.uri</code></p></li> 50 + <li><p><code>did</code>: optional, filter links to those from specific users. Include multiple times to filter by multiple users. Example: <code>did=did:plc:vc7f4oafdgxsihk4cry2xpze&did=did:plc:vc7f4oafdgxsihk4cry2xpze</code></p></li> 51 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 52 + </ul> 53 + 54 + <p style="margin-bottom: 0"><strong>Try it:</strong></p> 55 + {% call try_it::get_backlinks("at://did:plc:a4pqq234yw7fqbddawjo7y35/app.bsky.feed.post/3m237ilwc372e", "app.bsky.feed.like:subject.uri", [""], 16) %} 56 + 57 + 58 + <h3 class="route"><code>GET /xrpc/blue.microcosm.links.getManyToManyCounts</code></h3> 59 + 60 + <p>TODO: description</p> 61 + 62 + <h4>Query parameters:</h4> 63 + 64 + <ul> 65 + <li><p><code>subject</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></p></li> 66 + <li><p><code>source</code>: required. Example: <code>app.bsky.feed.like:subject.uri</code></p></li> 67 + <li><p><code>pathToOther</code>: required. Path to the secondary link in the many-to-many record. Example: <code>otherThing.uri</code></p></li> 68 + <li><p><code>did</code>: optional, filter links to those from specific users. Include multiple times to filter by multiple users. Example: <code>did=did:plc:vc7f4oafdgxsihk4cry2xpze&did=did:plc:vc7f4oafdgxsihk4cry2xpze</code></p></li> 69 + <li><p><code>otherSubject</code>: optional, filter secondary links to specific subjects. Include multiple times to filter by multiple users. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></p></li> 70 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 71 + </ul> 72 + 73 + <p style="margin-bottom: 0"><strong>Try it:</strong></p> 74 + {% call try_it::get_many_to_many_counts( 75 + "at://did:plc:wshs7t2adsemcrrd4snkeqli/sh.tangled.label.definition/good-first-issue", 76 + "sh.tangled.label.op:add[].key", 77 + "subject", 78 + [""], 79 + [""], 80 + 25, 81 + ) %} 82 + 83 + 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 + <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 + 35 90 <h4>Query parameters:</h4> 36 91 37 92 <ul> 38 - <li><code>target</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></li> 39 - <li><code>collection</code>: required. Example: <code>app.bsky.feed.like</code></li> 40 - <li><code>path</code>: required, must url-encode. Example: <code>.subject.uri</code></li> 93 + <li><p><code>target</code>: required, must url-encode. Example: <code>at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r</code></p></li> 94 + <li><p><code>collection</code>: required. Example: <code>app.bsky.feed.like</code></p></li> 95 + <li><p><code>path</code>: required, must url-encode. Example: <code>.subject.uri</code></p></li> 96 + <li><p><code>did</code>: optional, filter links to those from specific users. Include multiple times to filter by multiple users. Example: <code>did=did:plc:vc7f4oafdgxsihk4cry2xpze&did=did:plc:vc7f4oafdgxsihk4cry2xpze</code></p></li> 97 + <li><p><code>from_dids</code> [deprecated]: optional. Use <code>did</code> instead. Example: <code>from_dids=did:plc:vc7f4oafdgxsihk4cry2xpze,did:plc:vc7f4oafdgxsihk4cry2xpze</code></p></li> 98 + <li><p><code>limit</code>: optional. Default: <code>16</code>. Maximum: <code>100</code></p></li> 41 99 </ul> 42 100 43 101 <p style="margin-bottom: 0"><strong>Try it:</strong></p> 44 - {% call try_it::links("at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r", "app.bsky.feed.like", ".subject.uri") %} 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 - {% call try_it::links(query.target, query.collection, query.path) %} 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 - -> <a href="https://atproto-browser-plus-links.vercel.app/at/{{ record.did().0|urlencode }}/{{ record.collection }}/{{ record.rkey }}">browse record</a></pre> 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 - {% macro links(target, collection, path) %} 1 + {% macro get_backlinks(subject, source, dids, limit) %} 2 + <form method="get" action="/xrpc/blue.microcosm.links.getBacklinks"> 3 + <pre class="code"><strong>GET</strong> /xrpc/blue.microcosm.links.getBacklinks 4 + ?subject= <input type="text" name="subject" value="{{ subject }}" placeholder="at-uri, did, uri..." /> 5 + &source= <input type="text" name="source" value="{{ source }}" placeholder="app.bsky.feed.like:subject.uri" /> 6 + {%- for did in dids %}{% if !did.is_empty() %} 7 + &did= <input type="text" name="did" value="{{ did }}" placeholder="did:plc:..." />{% endif %}{% endfor %} 8 + <span id="did-placeholder"></span> <button id="add-did">+ did filter</button> 9 + &limit= <input type="number" name="limit" value="{{ limit }}" max="100" placeholder="100" /> <button type="submit">get links</button></pre> 10 + </form> 11 + <script> 12 + const addDidButton = document.getElementById('add-did'); 13 + const didPlaceholder = document.getElementById('did-placeholder'); 14 + addDidButton.addEventListener('click', e => { 15 + e.preventDefault(); 16 + const i = document.createElement('input'); 17 + i.placeholder = 'did:plc:...'; 18 + i.name = "did" 19 + const p = addDidButton.parentNode; 20 + p.insertBefore(document.createTextNode('&did= '), didPlaceholder); 21 + p.insertBefore(i, didPlaceholder); 22 + p.insertBefore(document.createTextNode('\n '), didPlaceholder); 23 + }); 24 + </script> 25 + {% endmacro %} 26 + 27 + {% macro get_many_to_many_counts(subject, source, pathToOther, dids, otherSubjects, limit) %} 28 + <form method="get" action="/xrpc/blue.microcosm.links.getManyToManyCounts"> 29 + <pre class="code"><strong>GET</strong> /xrpc/blue.microcosm.links.getManyToManyCounts 30 + ?subject= <input type="text" name="subject" value="{{ subject }}" placeholder="at-uri, did, uri..." /> 31 + &source= <input type="text" name="source" value="{{ source }}" placeholder="app.bsky.feed.like:subject.uri" /> 32 + &pathToOther= <input type="text" name="pathToOther" value="{{ pathToOther }}" placeholder="otherThing.uri" /> 33 + {%- for did in dids %}{% if !did.is_empty() %} 34 + &did= <input type="text" name="did" value="{{ did }}" placeholder="did:plc:..." />{% endif %}{% endfor %} 35 + <span id="m2m-subject-placeholder"></span> <button id="m2m-add-subject">+ other subject filter</button> 36 + {%- for otherSubject in otherSubjects %}{% if !otherSubject.is_empty() %} 37 + &otherSubject= <input type="text" name="did" value="{{ otherSubject }}" placeholder="at-uri, did, uri..." />{% endif %}{% endfor %} 38 + <span id="m2m-did-placeholder"></span> <button id="m2m-add-did">+ did filter</button> 39 + &limit= <input type="number" name="limit" value="{{ limit }}" max="100" placeholder="100" /> <button type="submit">get links</button></pre> 40 + </form> 41 + <script> 42 + const m2mAddDidButton = document.getElementById('m2m-add-did'); 43 + const m2mDidPlaceholder = document.getElementById('m2m-did-placeholder'); 44 + m2mAddDidButton.addEventListener('click', e => { 45 + e.preventDefault(); 46 + const i = document.createElement('input'); 47 + i.placeholder = 'did:plc:...'; 48 + i.name = "did" 49 + const p = m2mAddDidButton.parentNode; 50 + p.insertBefore(document.createTextNode('&did= '), m2mDidPlaceholder); 51 + p.insertBefore(i, m2mDidPlaceholder); 52 + p.insertBefore(document.createTextNode('\n '), m2mDidPlaceholder); 53 + }); 54 + const m2mAddSubjectButton = document.getElementById('m2m-add-subject'); 55 + const m2mSubjectPlaceholder = document.getElementById('m2m-subject-placeholder'); 56 + m2mAddSubjectButton.addEventListener('click', e => { 57 + e.preventDefault(); 58 + const i = document.createElement('input'); 59 + i.placeholder = 'at-uri, did, uri...'; 60 + i.name = "otherSubject" 61 + const p = m2mAddSubjectButton.parentNode; 62 + p.insertBefore(document.createTextNode('&otherSubject= '), m2mSubjectPlaceholder); 63 + p.insertBefore(i, m2mSubjectPlaceholder); 64 + p.insertBefore(document.createTextNode('\n '), m2mSubjectPlaceholder); 65 + }); 66 + </script> 67 + {% endmacro %} 68 + 69 + {% macro links(target, collection, path, dids, limit) %} 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 - &path= <input type="text" name="path" value="{{ path }}" placeholder="path" /> <button type="submit">get links</button></pre> 74 + &path= <input type="text" name="path" value="{{ path }}" placeholder="path" /> 75 + {%- for did in dids %}{% if !did.is_empty() %} 76 + &did= <input type="text" name="did" value="{{ did }}" placeholder="did:plc:..." />{% endif %}{% endfor %} 77 + <span id="did-placeholder"></span> <button id="add-did">+ did filter</button> 78 + &limit= <input type="number" name="limit" value="{{ limit }}" max="100" placeholder="100" /> <button type="submit">get links</button></pre> 7 79 </form> 80 + <script> 81 + const addDidButton = document.getElementById('add-did'); 82 + const didPlaceholder = document.getElementById('did-placeholder'); 83 + addDidButton.addEventListener('click', e => { 84 + e.preventDefault(); 85 + const i = document.createElement('input'); 86 + i.placeholder = 'did:plc:...'; 87 + i.name = "did" 88 + const p = addDidButton.parentNode; 89 + p.insertBefore(document.createTextNode('&did= '), didPlaceholder); 90 + p.insertBefore(i, didPlaceholder); 91 + p.insertBefore(document.createTextNode('\n '), didPlaceholder); 92 + }); 93 + </script> 8 94 {% endmacro %} 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 - cozy-ucosm 2 - 3 - 4 - ## gateway 5 - 6 - - tailscale (exit node enabled) 7 - -> allow ipv4 and ipv6 forwarding 8 - - caddy 9 - 10 - ```bash 11 - apt install golang 12 - go install github.com/caddyserver/xcaddy/cmd/xcaddy@latest 13 - go/bin/xcaddy build \ 14 - --with github.com/caddyserver/cache-handler \ 15 - --with github.com/darkweak/storages/badger/caddy \ 16 - --with github.com/mholt/caddy-ratelimit 17 - # then https://caddyserver.com/docs/running#manual-installation 18 - 19 - mkdir /var/cache/caddy-badger 20 - chown -R caddy:caddy /var/cache/caddy-badger/ 21 - ``` 22 - 23 - - `/etc/caddy/Caddyfile` 24 - 25 - ``` 26 - { 27 - cache { 28 - badger 29 - api { 30 - prometheus 31 - } 32 - } 33 - } 34 - 35 - links.bsky.bad-example.com { 36 - reverse_proxy link-aggregator:6789 37 - 38 - @browser `{header.Origin.startsWith("Mozilla/5.0")` 39 - rate_limit { 40 - zone global_burst { 41 - key {remote_host} 42 - events 10 43 - window 1s 44 - } 45 - zone global_general { 46 - key {remote_host} 47 - events 100 48 - window 60s 49 - log_key true 50 - } 51 - zone website_harsh_limit { 52 - key {header.Origin} 53 - match { 54 - expression {header.User-Agent}.startsWith("Mozilla/5.0") 55 - } 56 - events 1000 57 - window 30s 58 - log_key true 59 - } 60 - } 61 - respond /souin-api/metrics "denied" 403 # does not work 62 - cache { 63 - ttl 3s 64 - stale 1h 65 - default_cache_control public, s-maxage=3 66 - badger { 67 - path /var/cache/caddy-badger/links 68 - } 69 - } 70 - } 71 - 72 - gateway:80 { 73 - metrics 74 - cache 75 - } 76 - ``` 77 - well... the gateway fell over IMMEDIATELY with like 2 req/sec from deletions, with that ^^ config. for now i removed everything except the reverse proxy config + normal caddy metrics and it's running fine on vanilla caddy. i did try reducing the rate-limiting configs to a single, fixed-key global limit but it still ate all the ram and died. maybe badger w/ the cache config was still a problem. maybe it would have been ok on a machine with more than 1GB mem. 78 - 79 - 80 - alternative proxies: 81 - 82 - - nginx. i should probably just use this. acme-client is a piece of cake to set up, and i know how to configure it. 83 - - haproxy. also kind of familiar, it's old and stable. no idea how it handle low-mem (our 1gb) vs nginx. 84 - - sozu. popular rust thing, fast. doesn't have rate-limiting or cache feature? 85 - - rpxy. like caddy (auto-tls) but in rust and actually fast? has an "experimental" cache feature. but the cache feature looks good. 86 - - rama. build-your-own proxy. not sure that it has both cache and limiter in their standard features? 87 - - pingora. build-your-own cloudflare, so like, probably stable. has tools for cache and limiting. low-mem...? 88 - - cache stuff in pingora seems a little... hit and miss (byeeeee). only a test impl for Storage for the main cache feature? 89 - - but the rate-limiter has a guide: https://github.com/cloudflare/pingora/blob/main/docs/user_guide/rate_limiter.md 90 - 91 - what i want is low-resource reverse proxy with built-in rate-limiting and caching. but maybe cache (and/or ratelimiting) could be external to the reverse proxy 92 - - varnish is a dedicated cache. has https://github.com/varnish/varnish-modules/blob/master/src/vmod_vsthrottle.vcc 93 - - apache traffic control has experimental rate-limiting plugins 94 - 95 - 96 - - victoriametrics 97 - 98 - ```bash 99 - curl -LO https://github.com/VictoriaMetrics/VictoriaMetrics/releases/download/v1.109.1/victoria-metrics-linux-amd64-v1.109.1.tar.gz 100 - tar xzf victoria-metrics-linux-amd64-v1.109.1.tar.gz 101 - # and then https://docs.victoriametrics.com/quick-start/#starting-vm-single-from-a-binary 102 - sudo mkdir /etc/victoria-metrics && sudo chown -R victoriametrics:victoriametrics /etc/victoria-metrics 103 - 104 - ``` 105 - 106 - - `/etc/victoria-metrics/prometheus.yml` 107 - 108 - ```yaml 109 - global: 110 - scrape_interval: '15s' 111 - 112 - scrape_configs: 113 - - job_name: 'link_aggregator' 114 - static_configs: 115 - - targets: ['link-aggregator:8765'] 116 - - job_name: 'gateway:caddy' 117 - static_configs: 118 - - targets: ['gateway:80/metrics'] 119 - - job_name: 'gateway:cache' 120 - static_configs: 121 - - targets: ['gateway:80/souin-api/metrics'] 122 - ``` 123 - 124 - - `ExecStart` in `/etc/systemd/system/victoriametrics.service`: 125 - 126 - ``` 127 - ExecStart=/usr/local/bin/victoria-metrics-prod -storageDataPath=/var/lib/victoria-metrics -retentionPeriod=90d -selfScrapeInterval=1m -promscrape.config=/etc/victoria-metrics/prometheus.yml 128 - ``` 129 - 130 - - grafana 131 - 132 - followed `https://grafana.com/docs/grafana/latest/setup-grafana/installation/debian/#install-grafana-on-debian-or-ubuntu` 133 - 134 - something something something then 135 - 136 - ``` 137 - sudo grafana-cli --pluginUrl https://github.com/VictoriaMetrics/victoriametrics-datasource/releases/download/v0.11.1/victoriametrics-datasource-v0.11.1.zip plugins install victoriametrics 138 - ``` 139 - 140 - - raspi node_exporter 141 - 142 - ```bash 143 - curl -LO https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-armv7.tar.gz 144 - tar xzf node_exporter-1.8.2.linux-armv7.tar.gz 145 - sudo cp node_exporter-1.8.2.linux-armv7/node_exporter /usr/local/bin/ 146 - sudo useradd --no-create-home --shell /bin/false node_exporter 147 - sudo nano /etc/systemd/system/node_exporter.service 148 - # [Unit] 149 - # Description=Node Exporter 150 - # Wants=network-online.target 151 - # After=network-online.target 152 - 153 - # [Service] 154 - # User=node_exporter 155 - # Group=node_exporter 156 - # Type=simple 157 - # ExecStart=/usr/local/bin/node_exporter 158 - # Restart=always 159 - # RestartSec=3 160 - 161 - # [Install] 162 - # WantedBy=multi-user.target 163 - sudo systemctl daemon-reload 164 - sudo systemctl enable node_exporter.service 165 - sudo systemctl start node_exporter.service 166 - ``` 167 - 168 - todo: get raspi vcgencmd outputs into metrics 169 - 170 - - nginx on gateway 171 - 172 - ```nginx 173 - # in http 174 - 175 - ## 176 - # cozy cache 177 - ## 178 - proxy_cache_path /var/cache/nginx keys_zone=cozy_zone:10m; 179 - 180 - ## 181 - # cozy limit 182 - ## 183 - limit_req_zone $binary_remote_addr zone=cozy_ip_limit:10m rate=50r/s; 184 - limit_req_zone $server_name zone=cozy_global_limit:10m rate=1000r/s; 185 - 186 - # in sites-available/constellation.microcosm.blue 187 - 188 - upstream cozy_link_aggregator { 189 - server link-aggregator:6789; 190 - keepalive 16; 191 - } 192 - 193 - server { 194 - listen 8080; 195 - listen [::]:8080; 196 - 197 - server_name constellation.microcosm.blue; 198 - 199 - proxy_cache cozy_zone; 200 - proxy_cache_background_update on; 201 - proxy_cache_key "$scheme$proxy_host$uri$is_args$args$http_accept"; 202 - proxy_cache_lock on; # make simlutaneous requests for the same uri wait for it to appear in cache instead of hitting origin 203 - proxy_cache_lock_age 1s; 204 - proxy_cache_lock_timeout 2s; 205 - proxy_cache_valid 10s; # default -- should be explicitly set in the response headers 206 - proxy_cache_valid any 15s; # non-200s default 207 - proxy_read_timeout 5s; 208 - proxy_send_timeout 15s; 209 - proxy_socket_keepalive on; 210 - 211 - limit_req zone=cozy_ip_limit nodelay burst=100; 212 - limit_req zone=cozy_global_limit; 213 - limit_req_status 429; 214 - 215 - location / { 216 - proxy_pass http://cozy_link_aggregator; 217 - include proxy_params; 218 - proxy_http_version 1.1; 219 - proxy_set_header Connection ""; # for keepalive 220 - } 221 - } 222 - ``` 223 - 224 - also `systemctl edit nginx` and paste 225 - 226 - ``` 227 - [Service] 228 - Restart=always 229 - ``` 230 - 231 - —https://serverfault.com/a/1003373 232 - 233 - now making browsers redirect to the microcosm.blue url: 234 - 235 - ``` 236 - [...] 237 - server_name links.bsky.bad-example.com; 238 - 239 - add_header Access-Control-Allow-Origin * always; # bit of hack to have it here but nginx doesn't like it in the `if` 240 - if ($http_user_agent ~ ^Mozilla/) { 241 - # for now send *browsers* to the new location, hopefully without impacting api requests 242 - # (yeah we're doing UA test here and content-negotatiation in the app. whatever.) 243 - return 301 https://constellation.microcosm.blue$request_uri; 244 - } 245 - [...] 246 - ``` 247 - 248 - - nginx metrics 249 - 250 - - download nginx-prometheus-exporter 251 - https://github.com/nginx/nginx-prometheus-exporter/releases/download/v1.4.1/nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 252 - 253 - - err actually going to make mistakes and try with snap 254 - `snap install nginx-prometheus-exporter` 255 - - so it got a binary for me but no systemd task set up. boooo. 256 - `snap remove nginx-prometheus-exporter` 257 - 258 - - ```bash 259 - curl -LO https://github.com/nginx/nginx-prometheus-exporter/releases/download/v1.4.1/nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 260 - tar xzf nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 261 - mv nginx-prometheus-exporter /usr/local/bin 262 - useradd --no-create-home --shell /bin/false nginx-prometheus-exporter 263 - nano /etc/systemd/system/nginx-prometheus-exporter.service 264 - # [Unit] 265 - # Description=NGINX Exporter 266 - # Wants=network-online.target 267 - # After=network-online.target 268 - 269 - # [Service] 270 - # User=nginx-prometheus-exporter 271 - # Group=nginx-prometheus-exporter 272 - # Type=simple 273 - # ExecStart=/usr/local/bin/nginx-prometheus-exporter --nginx.scrape-uri=http://gateway:8080/stub_status --web.listen-address=gateway:9113 274 - # Restart=always 275 - # RestartSec=3 276 - 277 - # [Install] 278 - # WantedBy=multi-user.target 279 - systemctl daemon-reload 280 - systemctl start nginx-prometheus-exporter.service 281 - systemctl enable nginx-prometheus-exporter.service 282 - ``` 283 - 284 - - nginx `/etc/nginx/sites-available/gateway-nginx-status` 285 - 286 - ```nginx 287 - server { 288 - listen 8080; 289 - listen [::]:8080; 290 - 291 - server_name gateway; 292 - 293 - location /stub_status { 294 - stub_status; 295 - } 296 - location / { 297 - return 404; 298 - } 299 - } 300 - ``` 301 - 302 - ```bash 303 - ln -s /etc/nginx/sites-available/gateway-nginx-status /etc/nginx/sites-enabled/ 304 - ``` 305 - 306 - 307 - ## bootes (pi5) 308 - 309 - - mount sd card, touch `ssh` file echo `echo "pi:$(echo raspberry | openssl passwd -6 -stdin)" > userconf.txt` 310 - - raspi-config: enable pcie 3, set hostname, enable ssh 311 - - put ssh key into `.ssh/authorized_keys` 312 - - put `PasswordAuthentication no` in `/etc/ssh/sshd_config` 313 - - `sudo apt update && sudo apt upgrade` 314 - - `sudo apt install xfsprogs` 315 - - `sudo mkfs.xfs -L c11n-kv /dev/nvme0n1` 316 - - `sudo mount /dev/nvme0n1 /mnt` 317 - - set up tailscale 318 - - `sudo tailscale up` 319 - - `git clone https://github.com/atcosm/links.git` 320 - - tailscale: disable bootes key expiry 321 - - rustup `curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh` 322 - - `cd links/constellation` 323 - - `sudo apt install libssl-dev` needed 324 - - `sudo apt install clang` needed for bindgen 325 - - (in tmux) `cargo build --release` 326 - - `mkdir ~/backup` 327 - - `sudo mount.cifs "//truenas.local/folks data" /home/pi/backup -o user=phil,uid=pi` 328 - - `sudo chown pi:pi /mnt/` 329 - - `RUST_BACKTRACE=full cargo run --bin rocks-restore-from-backup --release -- --from-backup-dir "/home/pi/backup/constellation-index" --to-data-dir /mnt/constellation-index` 330 - etc 331 - - follow above `- raspi node_exporter` 332 - - configure victoriametrics to scrape the new pi 333 - - configure ulimit before starting! `ulimit -n 16384` 334 - - `RUST_BACKTRACE=full cargo run --release -- --backend rocks --data /mnt/constellation-index/ --jetstream us-east-2 --backup /home/pi/backup/constellation-index --backup-interval 6 --max-old-backups 20` 335 - - add server to nginx gateway upstream: ` server 100.123.79.12:6789; # bootes` 336 - - stop backups from running on the older instance! `RUST_BACKTRACE=full cargo run --release -- --backend rocks --data /mnt/links-2.rocks/ --jetstream us-east-1` 337 - - stop upstreaming requests to older instance in nginx 338 - 339 - 340 - - systemd unit for running: `sudo nano /etc/systemd/system/constellation.service` 341 - 342 - ```ini 343 - [Unit] 344 - Description=Constellation backlinks index 345 - After=network.target 346 - 347 - [Service] 348 - User=pi 349 - WorkingDirectory=/home/pi/links/constellation 350 - ExecStart=/home/pi/links/target/release/main --backend rocks --data /mnt/constellation-index/ --jetstream us-east-2 --backup /home/pi/backup/constellation-index --backup-interval 6 --max-old-backups 20 351 - LimitNOFILE=16384 352 - Restart=always 353 - 354 - [Install] 355 - WantedBy=multi-user.target 356 - ``` 357 - 358 - 359 - - todo: overlayfs? would need to figure out builds/updates still, also i guess logs are currently written to sd? (oof) 360 - - todo: cross-compile for raspi? 361 - 362 - --- 363 - 364 - some todos 365 - 366 - - [x] tailscale: exit node 367 - - [!] link_aggregator: use exit node 368 - -> worked, but reverted for now: tailscale on raspi was consuming ~50% cpu for the jetstream traffic. this might be near its max since it would have been catching up at the time (max jetstream throughput) but it feels a bit too much. we have to trust the jetstream server and link_aggregator doesn't (yet) make any other external connections, so for now the raspi connects directly from my home again. 369 - - [x] caddy: reverse proxy 370 - - [x] build with cache and rate-limit plugins 371 - - [x] configure systemd to keep it alive 372 - - [x] configure caddy cache 373 - - [x] configure caddy rate-limit 374 - - [ ] configure ~caddy~ nginx to use a health check (once it's added) 375 - - [ ] ~configure caddy to only expose cache metrics to tailnet :/~ 376 - - [x] make some grafana dashboards 377 - - [ ] raspi: mount /dev/sda on boot 378 - - [ ] raspi: run link_aggregator via systemd so it starts on startup (and restarts?) 379 - 380 - - [x] use nginx instead of caddy 381 - - [x] nginx: enable cache 382 - - [x] nginx: rate-limit 383 - - [ ] nginx: get metrics 384 - 385 - 386 - 387 - 388 - --- 389 - 390 - nginx cors for constellation + small burst bump 391 - 392 - ```nginx 393 - upstream cozy_constellation { 394 - server <tailnet ip>:6789; # bootes; ip so that we don't race on reboot with tailscale coming up, which nginx doesn't like 395 - keepalive 16; 396 - } 397 - 398 - server { 399 - server_name constellation.microcosm.blue; 400 - 401 - proxy_cache cozy_zone; 402 - proxy_cache_background_update on; 403 - proxy_cache_key "$scheme$proxy_host$uri$is_args$args$http_accept"; 404 - proxy_cache_lock on; # make simlutaneous requests for the same uri wait for it to appear in cache instead of hitting origin 405 - proxy_cache_lock_age 1s; 406 - proxy_cache_lock_timeout 2s; 407 - proxy_cache_valid 10s; # default -- should be explicitly set in the response headers 408 - proxy_cache_valid any 2s; # non-200s default 409 - proxy_read_timeout 5s; 410 - proxy_send_timeout 15s; 411 - proxy_socket_keepalive on; 412 - 413 - # take over cors responsibility from upsteram. `always` applies it to error responses. 414 - proxy_hide_header 'Access-Control-Allow-Origin'; 415 - proxy_hide_header 'Access-Control-Allowed-Methods'; 416 - proxy_hide_header 'Access-Control-Allow-Headers'; 417 - add_header 'Access-Control-Allow-Origin' '*' always; 418 - add_header 'Access-Control-Allow-Methods' 'GET' always; 419 - add_header 'Access-Control-Allow-Headers' '*' always; 420 - 421 - 422 - limit_req zone=cozy_ip_limit nodelay burst=150; 423 - limit_req zone=cozy_global_limit burst=1800; 424 - limit_req_status 429; 425 - 426 - location / { 427 - proxy_pass http://cozy_constellation; 428 - include proxy_params; 429 - proxy_http_version 1.1; 430 - proxy_set_header Connection ""; # for keepalive 431 - } 432 - 433 - 434 - listen 443 ssl; # managed by Certbot 435 - ssl_certificate /etc/letsencrypt/live/constellation.microcosm.blue/fullchain.pem; # managed by Certbot 436 - ssl_certificate_key /etc/letsencrypt/live/constellation.microcosm.blue/privkey.pem; # managed by Certbot 437 - include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot 438 - ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot 439 - 440 - } 441 - 442 - server { 443 - if ($host = constellation.microcosm.blue) { 444 - return 301 https://$host$request_uri; 445 - } # managed by Certbot 446 - 447 - 448 - server_name constellation.microcosm.blue; 449 - listen 80; 450 - return 404; # managed by Certbot 451 - } 452 - ``` 453 - 454 - re-reading about `nodelay`, i should probably remove it -- nginx would then queue requests to upstream, but still service them at the configured limit. it's fine for my internet since the global limit isn't nodelay, but probably less "fair" to clients if there's contention around the global limit (earlier requests would get all of theirs serviced before later ones can get in the queue) 455 - 456 - leaving it for now though. 457 - 458 - 459 - ### nginx logs to prom 460 - 461 - ```bash 462 - curl -LO https://github.com/martin-helmich/prometheus-nginxlog-exporter/releases/download/v1.11.0/prometheus-nginxlog-exporter_1.11.0_linux_amd64.deb 463 - apt install ./prometheus-nginxlog-exporter_1.11.0_linux_amd64.deb 464 - systemctl enable prometheus-nginxlog-exporter.service 465 - 466 - ``` 467 - 468 - have it run as www-data (maybe not the best idea but...) 469 - file `/usr/lib/systemd/system/prometheus-nginxlog-exporter.service` 470 - set User under service and remove capabilities bounding 471 - 472 - ```systemd 473 - User=www-data 474 - #CapabilityBoundingSet= 475 - ``` 476 - 477 - in `nginx.conf` in `http`: 478 - 479 - ```nginx 480 - log_format constellation_format "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\""; 481 - ``` 482 - 483 - in `sites-available/constellation.microcosm.blue` in `server`: 484 - 485 - ```nginx 486 - # log format must match prometheus-nginx-log-exporter 487 - access_log /var/log/nginx/constellation-access.log constellation_format; 488 - ``` 489 - 490 - config at `/etc/prometheus-nginxlog-exporter.hcl` 491 - 492 - 493 - 494 - ```bash 495 - systemctl start prometheus-nginxlog-exporter.service 496 - ```
+1 -1
jetstream/Cargo.toml
··· 10 10 11 11 [dependencies] 12 12 async-trait = "0.1.83" 13 - atrium-api = { git = "https://github.com/uniphil/atrium", branch = "fix/nsid-allow-nonleading-name-digits", default-features = false, features = [ 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 + cozy-ucosm 2 + 3 + 4 + ## gateway 5 + 6 + - tailscale (exit node enabled) 7 + -> allow ipv4 and ipv6 forwarding 8 + - caddy 9 + 10 + ```bash 11 + apt install golang 12 + go install github.com/caddyserver/xcaddy/cmd/xcaddy@latest 13 + go/bin/xcaddy build \ 14 + --with github.com/caddyserver/cache-handler \ 15 + --with github.com/darkweak/storages/badger/caddy \ 16 + --with github.com/mholt/caddy-ratelimit 17 + # then https://caddyserver.com/docs/running#manual-installation 18 + 19 + mkdir /var/cache/caddy-badger 20 + chown -R caddy:caddy /var/cache/caddy-badger/ 21 + ``` 22 + 23 + - `/etc/caddy/Caddyfile` 24 + 25 + ``` 26 + { 27 + cache { 28 + badger 29 + api { 30 + prometheus 31 + } 32 + } 33 + } 34 + 35 + links.bsky.bad-example.com { 36 + reverse_proxy link-aggregator:6789 37 + 38 + @browser `{header.Origin.startsWith("Mozilla/5.0")` 39 + rate_limit { 40 + zone global_burst { 41 + key {remote_host} 42 + events 10 43 + window 1s 44 + } 45 + zone global_general { 46 + key {remote_host} 47 + events 100 48 + window 60s 49 + log_key true 50 + } 51 + zone website_harsh_limit { 52 + key {header.Origin} 53 + match { 54 + expression {header.User-Agent}.startsWith("Mozilla/5.0") 55 + } 56 + events 1000 57 + window 30s 58 + log_key true 59 + } 60 + } 61 + respond /souin-api/metrics "denied" 403 # does not work 62 + cache { 63 + ttl 3s 64 + stale 1h 65 + default_cache_control public, s-maxage=3 66 + badger { 67 + path /var/cache/caddy-badger/links 68 + } 69 + } 70 + } 71 + 72 + gateway:80 { 73 + metrics 74 + cache 75 + } 76 + ``` 77 + well... the gateway fell over IMMEDIATELY with like 2 req/sec from deletions, with that ^^ config. for now i removed everything except the reverse proxy config + normal caddy metrics and it's running fine on vanilla caddy. i did try reducing the rate-limiting configs to a single, fixed-key global limit but it still ate all the ram and died. maybe badger w/ the cache config was still a problem. maybe it would have been ok on a machine with more than 1GB mem. 78 + 79 + 80 + alternative proxies: 81 + 82 + - nginx. i should probably just use this. acme-client is a piece of cake to set up, and i know how to configure it. 83 + - haproxy. also kind of familiar, it's old and stable. no idea how it handle low-mem (our 1gb) vs nginx. 84 + - sozu. popular rust thing, fast. doesn't have rate-limiting or cache feature? 85 + - rpxy. like caddy (auto-tls) but in rust and actually fast? has an "experimental" cache feature. but the cache feature looks good. 86 + - rama. build-your-own proxy. not sure that it has both cache and limiter in their standard features? 87 + - pingora. build-your-own cloudflare, so like, probably stable. has tools for cache and limiting. low-mem...? 88 + - cache stuff in pingora seems a little... hit and miss (byeeeee). only a test impl for Storage for the main cache feature? 89 + - but the rate-limiter has a guide: https://github.com/cloudflare/pingora/blob/main/docs/user_guide/rate_limiter.md 90 + 91 + what i want is low-resource reverse proxy with built-in rate-limiting and caching. but maybe cache (and/or ratelimiting) could be external to the reverse proxy 92 + - varnish is a dedicated cache. has https://github.com/varnish/varnish-modules/blob/master/src/vmod_vsthrottle.vcc 93 + - apache traffic control has experimental rate-limiting plugins 94 + 95 + 96 + - victoriametrics 97 + 98 + ```bash 99 + curl -LO https://github.com/VictoriaMetrics/VictoriaMetrics/releases/download/v1.109.1/victoria-metrics-linux-amd64-v1.109.1.tar.gz 100 + tar xzf victoria-metrics-linux-amd64-v1.109.1.tar.gz 101 + # and then https://docs.victoriametrics.com/quick-start/#starting-vm-single-from-a-binary 102 + sudo mkdir /etc/victoria-metrics && sudo chown -R victoriametrics:victoriametrics /etc/victoria-metrics 103 + 104 + ``` 105 + 106 + - `/etc/victoria-metrics/prometheus.yml` 107 + 108 + ```yaml 109 + global: 110 + scrape_interval: '15s' 111 + 112 + scrape_configs: 113 + - job_name: 'link_aggregator' 114 + static_configs: 115 + - targets: ['link-aggregator:8765'] 116 + - job_name: 'gateway:caddy' 117 + static_configs: 118 + - targets: ['gateway:80/metrics'] 119 + - job_name: 'gateway:cache' 120 + static_configs: 121 + - targets: ['gateway:80/souin-api/metrics'] 122 + ``` 123 + 124 + - `ExecStart` in `/etc/systemd/system/victoriametrics.service`: 125 + 126 + ``` 127 + ExecStart=/usr/local/bin/victoria-metrics-prod -storageDataPath=/var/lib/victoria-metrics -retentionPeriod=90d -selfScrapeInterval=1m -promscrape.config=/etc/victoria-metrics/prometheus.yml 128 + ``` 129 + 130 + - grafana 131 + 132 + followed `https://grafana.com/docs/grafana/latest/setup-grafana/installation/debian/#install-grafana-on-debian-or-ubuntu` 133 + 134 + something something something then 135 + 136 + ``` 137 + sudo grafana-cli --pluginUrl https://github.com/VictoriaMetrics/victoriametrics-datasource/releases/download/v0.11.1/victoriametrics-datasource-v0.11.1.zip plugins install victoriametrics 138 + ``` 139 + 140 + - raspi node_exporter 141 + 142 + ```bash 143 + curl -LO https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-armv7.tar.gz 144 + tar xzf node_exporter-1.8.2.linux-armv7.tar.gz 145 + sudo cp node_exporter-1.8.2.linux-armv7/node_exporter /usr/local/bin/ 146 + sudo useradd --no-create-home --shell /bin/false node_exporter 147 + sudo nano /etc/systemd/system/node_exporter.service 148 + # [Unit] 149 + # Description=Node Exporter 150 + # Wants=network-online.target 151 + # After=network-online.target 152 + 153 + # [Service] 154 + # User=node_exporter 155 + # Group=node_exporter 156 + # Type=simple 157 + # ExecStart=/usr/local/bin/node_exporter 158 + # Restart=always 159 + # RestartSec=3 160 + 161 + # [Install] 162 + # WantedBy=multi-user.target 163 + sudo systemctl daemon-reload 164 + sudo systemctl enable node_exporter.service 165 + sudo systemctl start node_exporter.service 166 + ``` 167 + 168 + todo: get raspi vcgencmd outputs into metrics 169 + 170 + - nginx on gateway 171 + 172 + ```nginx 173 + # in http 174 + 175 + ## 176 + # cozy cache 177 + ## 178 + proxy_cache_path /var/cache/nginx keys_zone=cozy_zone:10m; 179 + 180 + ## 181 + # cozy limit 182 + ## 183 + limit_req_zone $binary_remote_addr zone=cozy_ip_limit:10m rate=50r/s; 184 + limit_req_zone $server_name zone=cozy_global_limit:10m rate=1000r/s; 185 + 186 + # in sites-available/constellation.microcosm.blue 187 + 188 + upstream cozy_link_aggregator { 189 + server link-aggregator:6789; 190 + keepalive 16; 191 + } 192 + 193 + server { 194 + listen 8080; 195 + listen [::]:8080; 196 + 197 + server_name constellation.microcosm.blue; 198 + 199 + proxy_cache cozy_zone; 200 + proxy_cache_background_update on; 201 + proxy_cache_key "$scheme$proxy_host$uri$is_args$args$http_accept"; 202 + proxy_cache_lock on; # make simlutaneous requests for the same uri wait for it to appear in cache instead of hitting origin 203 + proxy_cache_lock_age 1s; 204 + proxy_cache_lock_timeout 2s; 205 + proxy_cache_valid 10s; # default -- should be explicitly set in the response headers 206 + proxy_cache_valid any 15s; # non-200s default 207 + proxy_read_timeout 5s; 208 + proxy_send_timeout 15s; 209 + proxy_socket_keepalive on; 210 + 211 + limit_req zone=cozy_ip_limit nodelay burst=100; 212 + limit_req zone=cozy_global_limit; 213 + limit_req_status 429; 214 + 215 + location / { 216 + proxy_pass http://cozy_link_aggregator; 217 + include proxy_params; 218 + proxy_http_version 1.1; 219 + proxy_set_header Connection ""; # for keepalive 220 + } 221 + } 222 + ``` 223 + 224 + also `systemctl edit nginx` and paste 225 + 226 + ``` 227 + [Service] 228 + Restart=always 229 + ``` 230 + 231 + —https://serverfault.com/a/1003373 232 + 233 + now making browsers redirect to the microcosm.blue url: 234 + 235 + ``` 236 + [...] 237 + server_name links.bsky.bad-example.com; 238 + 239 + add_header Access-Control-Allow-Origin * always; # bit of hack to have it here but nginx doesn't like it in the `if` 240 + if ($http_user_agent ~ ^Mozilla/) { 241 + # for now send *browsers* to the new location, hopefully without impacting api requests 242 + # (yeah we're doing UA test here and content-negotatiation in the app. whatever.) 243 + return 301 https://constellation.microcosm.blue$request_uri; 244 + } 245 + [...] 246 + ``` 247 + 248 + - nginx metrics 249 + 250 + - download nginx-prometheus-exporter 251 + https://github.com/nginx/nginx-prometheus-exporter/releases/download/v1.4.1/nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 252 + 253 + - err actually going to make mistakes and try with snap 254 + `snap install nginx-prometheus-exporter` 255 + - so it got a binary for me but no systemd task set up. boooo. 256 + `snap remove nginx-prometheus-exporter` 257 + 258 + - ```bash 259 + curl -LO https://github.com/nginx/nginx-prometheus-exporter/releases/download/v1.4.1/nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 260 + tar xzf nginx-prometheus-exporter_1.4.1_linux_amd64.tar.gz 261 + mv nginx-prometheus-exporter /usr/local/bin 262 + useradd --no-create-home --shell /bin/false nginx-prometheus-exporter 263 + nano /etc/systemd/system/nginx-prometheus-exporter.service 264 + # [Unit] 265 + # Description=NGINX Exporter 266 + # Wants=network-online.target 267 + # After=network-online.target 268 + 269 + # [Service] 270 + # User=nginx-prometheus-exporter 271 + # Group=nginx-prometheus-exporter 272 + # Type=simple 273 + # ExecStart=/usr/local/bin/nginx-prometheus-exporter --nginx.scrape-uri=http://gateway:8080/stub_status --web.listen-address=gateway:9113 274 + # Restart=always 275 + # RestartSec=3 276 + 277 + # [Install] 278 + # WantedBy=multi-user.target 279 + systemctl daemon-reload 280 + systemctl start nginx-prometheus-exporter.service 281 + systemctl enable nginx-prometheus-exporter.service 282 + ``` 283 + 284 + - nginx `/etc/nginx/sites-available/gateway-nginx-status` 285 + 286 + ```nginx 287 + server { 288 + listen 8080; 289 + listen [::]:8080; 290 + 291 + server_name gateway; 292 + 293 + location /stub_status { 294 + stub_status; 295 + } 296 + location / { 297 + return 404; 298 + } 299 + } 300 + ``` 301 + 302 + ```bash 303 + ln -s /etc/nginx/sites-available/gateway-nginx-status /etc/nginx/sites-enabled/ 304 + ``` 305 + 306 + 307 + ## bootes (pi5) 308 + 309 + - mount sd card, touch `ssh` file echo `echo "pi:$(echo raspberry | openssl passwd -6 -stdin)" > userconf.txt` 310 + - raspi-config: enable pcie 3, set hostname, enable ssh 311 + - put ssh key into `.ssh/authorized_keys` 312 + - put `PasswordAuthentication no` in `/etc/ssh/sshd_config` 313 + - `sudo apt update && sudo apt upgrade` 314 + - `sudo apt install xfsprogs` 315 + - `sudo mkfs.xfs -L c11n-kv /dev/nvme0n1` 316 + - `sudo mount /dev/nvme0n1 /mnt` 317 + - set up tailscale 318 + - `sudo tailscale up` 319 + - `git clone https://github.com/atcosm/links.git` 320 + - tailscale: disable bootes key expiry 321 + - rustup `curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh` 322 + - `cd links/constellation` 323 + - `sudo apt install libssl-dev` needed 324 + - `sudo apt install clang` needed for bindgen 325 + - (in tmux) `cargo build --release` 326 + - `mkdir ~/backup` 327 + - `sudo mount.cifs "//truenas.local/folks data" /home/pi/backup -o user=phil,uid=pi` 328 + - `sudo chown pi:pi /mnt/` 329 + - `RUST_BACKTRACE=full cargo run --bin rocks-restore-from-backup --release -- --from-backup-dir "/home/pi/backup/constellation-index" --to-data-dir /mnt/constellation-index` 330 + etc 331 + - follow above `- raspi node_exporter` 332 + - configure victoriametrics to scrape the new pi 333 + - configure ulimit before starting! `ulimit -n 16384` 334 + - `RUST_BACKTRACE=full cargo run --release -- --backend rocks --data /mnt/constellation-index/ --jetstream us-east-2 --backup /home/pi/backup/constellation-index --backup-interval 6 --max-old-backups 20` 335 + - add server to nginx gateway upstream: ` server 100.123.79.12:6789; # bootes` 336 + - stop backups from running on the older instance! `RUST_BACKTRACE=full cargo run --release -- --backend rocks --data /mnt/links-2.rocks/ --jetstream us-east-1` 337 + - stop upstreaming requests to older instance in nginx 338 + 339 + 340 + - systemd unit for running: `sudo nano /etc/systemd/system/constellation.service` 341 + 342 + ```ini 343 + [Unit] 344 + Description=Constellation backlinks index 345 + After=network.target 346 + 347 + [Service] 348 + User=pi 349 + WorkingDirectory=/home/pi/links/constellation 350 + ExecStart=/home/pi/links/target/release/main --backend rocks --data /mnt/constellation-index/ --jetstream us-east-2 --backup /home/pi/backup/constellation-index --backup-interval 6 --max-old-backups 20 351 + LimitNOFILE=16384 352 + Restart=always 353 + 354 + [Install] 355 + WantedBy=multi-user.target 356 + ``` 357 + 358 + 359 + - todo: overlayfs? would need to figure out builds/updates still, also i guess logs are currently written to sd? (oof) 360 + - todo: cross-compile for raspi? 361 + 362 + --- 363 + 364 + some todos 365 + 366 + - [x] tailscale: exit node 367 + - [!] link_aggregator: use exit node 368 + -> worked, but reverted for now: tailscale on raspi was consuming ~50% cpu for the jetstream traffic. this might be near its max since it would have been catching up at the time (max jetstream throughput) but it feels a bit too much. we have to trust the jetstream server and link_aggregator doesn't (yet) make any other external connections, so for now the raspi connects directly from my home again. 369 + - [x] caddy: reverse proxy 370 + - [x] build with cache and rate-limit plugins 371 + - [x] configure systemd to keep it alive 372 + - [x] configure caddy cache 373 + - [x] configure caddy rate-limit 374 + - [ ] configure ~caddy~ nginx to use a health check (once it's added) 375 + - [ ] ~configure caddy to only expose cache metrics to tailnet :/~ 376 + - [x] make some grafana dashboards 377 + - [ ] raspi: mount /dev/sda on boot 378 + - [ ] raspi: run link_aggregator via systemd so it starts on startup (and restarts?) 379 + 380 + - [x] use nginx instead of caddy 381 + - [x] nginx: enable cache 382 + - [x] nginx: rate-limit 383 + - [ ] nginx: get metrics 384 + 385 + 386 + 387 + 388 + --- 389 + 390 + nginx cors for constellation + small burst bump 391 + 392 + ```nginx 393 + upstream cozy_constellation { 394 + server <tailnet ip>:6789; # bootes; ip so that we don't race on reboot with tailscale coming up, which nginx doesn't like 395 + keepalive 16; 396 + } 397 + 398 + server { 399 + server_name constellation.microcosm.blue; 400 + 401 + proxy_cache cozy_zone; 402 + proxy_cache_background_update on; 403 + proxy_cache_key "$scheme$proxy_host$uri$is_args$args$http_accept"; 404 + proxy_cache_lock on; # make simlutaneous requests for the same uri wait for it to appear in cache instead of hitting origin 405 + proxy_cache_lock_age 1s; 406 + proxy_cache_lock_timeout 2s; 407 + proxy_cache_valid 10s; # default -- should be explicitly set in the response headers 408 + proxy_cache_valid any 2s; # non-200s default 409 + proxy_read_timeout 5s; 410 + proxy_send_timeout 15s; 411 + proxy_socket_keepalive on; 412 + 413 + # take over cors responsibility from upsteram. `always` applies it to error responses. 414 + proxy_hide_header 'Access-Control-Allow-Origin'; 415 + proxy_hide_header 'Access-Control-Allowed-Methods'; 416 + proxy_hide_header 'Access-Control-Allow-Headers'; 417 + add_header 'Access-Control-Allow-Origin' '*' always; 418 + add_header 'Access-Control-Allow-Methods' 'GET' always; 419 + add_header 'Access-Control-Allow-Headers' '*' always; 420 + 421 + 422 + limit_req zone=cozy_ip_limit nodelay burst=150; 423 + limit_req zone=cozy_global_limit burst=1800; 424 + limit_req_status 429; 425 + 426 + location / { 427 + proxy_pass http://cozy_constellation; 428 + include proxy_params; 429 + proxy_http_version 1.1; 430 + proxy_set_header Connection ""; # for keepalive 431 + } 432 + 433 + 434 + listen 443 ssl; # managed by Certbot 435 + ssl_certificate /etc/letsencrypt/live/constellation.microcosm.blue/fullchain.pem; # managed by Certbot 436 + ssl_certificate_key /etc/letsencrypt/live/constellation.microcosm.blue/privkey.pem; # managed by Certbot 437 + include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot 438 + ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot 439 + 440 + } 441 + 442 + server { 443 + if ($host = constellation.microcosm.blue) { 444 + return 301 https://$host$request_uri; 445 + } # managed by Certbot 446 + 447 + 448 + server_name constellation.microcosm.blue; 449 + listen 80; 450 + return 404; # managed by Certbot 451 + } 452 + ``` 453 + 454 + re-reading about `nodelay`, i should probably remove it -- nginx would then queue requests to upstream, but still service them at the configured limit. it's fine for my internet since the global limit isn't nodelay, but probably less "fair" to clients if there's contention around the global limit (earlier requests would get all of theirs serviced before later ones can get in the queue) 455 + 456 + leaving it for now though. 457 + 458 + 459 + ### nginx logs to prom 460 + 461 + ```bash 462 + curl -LO https://github.com/martin-helmich/prometheus-nginxlog-exporter/releases/download/v1.11.0/prometheus-nginxlog-exporter_1.11.0_linux_amd64.deb 463 + apt install ./prometheus-nginxlog-exporter_1.11.0_linux_amd64.deb 464 + systemctl enable prometheus-nginxlog-exporter.service 465 + 466 + ``` 467 + 468 + have it run as www-data (maybe not the best idea but...) 469 + file `/usr/lib/systemd/system/prometheus-nginxlog-exporter.service` 470 + set User under service and remove capabilities bounding 471 + 472 + ```systemd 473 + User=www-data 474 + #CapabilityBoundingSet= 475 + ``` 476 + 477 + in `nginx.conf` in `http`: 478 + 479 + ```nginx 480 + log_format constellation_format "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\""; 481 + ``` 482 + 483 + in `sites-available/constellation.microcosm.blue` in `server`: 484 + 485 + ```nginx 486 + # log format must match prometheus-nginx-log-exporter 487 + access_log /var/log/nginx/constellation-access.log constellation_format; 488 + ``` 489 + 490 + config at `/etc/prometheus-nginxlog-exporter.hcl` 491 + 492 + 493 + 494 + ```bash 495 + systemctl start prometheus-nginxlog-exporter.service 496 + ```
+35
legacy/old-readme-details.md
··· 1 + [Constellation](./constellation/) 2 + -------------------------------------------- 3 + 4 + A global atproto backlink index ✨ 5 + 6 + - Self hostable: handles the full write throughput of the global atproto firehose on a raspberry pi 4b + single SSD 7 + - Storage efficient: less than 2GB/day disk consumption indexing all references in all lexicons and all non-atproto URLs 8 + - Handles record deletion, account de/re-activation, and account deletion, ensuring accurate link counts and respecting users data choices 9 + - Simple JSON API 10 + 11 + All social interactions in atproto tend to be represented by links (or references) between PDS records. This index can answer questions like "how many likes does a bsky post have", "who follows an account", "what are all the comments on a [frontpage](https://frontpage.fyi/) post", and more. 12 + 13 + - **status**: works! api is unstable and likely to change, and no known instances have a full network backfill yet. 14 + - source: [./constellation/](./constellation/) 15 + - public instance: [constellation.microcosm.blue](https://constellation.microcosm.blue/) 16 + 17 + _note: the public instance currently runs on a little raspberry pi in my house, feel free to use it! it comes with only with best-effort uptime, no commitment to not breaking the api for now, and possible rate-limiting. if you want to be nice you can put your project name and bsky username (or email) in your user-agent header for api requests._ 18 + 19 + 20 + App: Spacedust 21 + -------------- 22 + 23 + A notification subscription service 💫 24 + 25 + using the same "link source" concept as [constellation](./constellation/), offer webhook notifications for new references created to records 26 + 27 + - **status**: in design 28 + 29 + 30 + Library: [links](./links/) 31 + ------------------------------------ 32 + 33 + A rust crate (not published on crates.io yet) for optimistically parsing links out of arbitrary atproto PDS records, and potentially canonicalizing them 34 + 35 + - **status**: unstable, might remain an internal lib for constellation (and spacedust, soon)
+123
legacy/original-notes.md
··· 1 + --- 2 + 3 + 4 + old notes follow, ignore 5 + ------------------------ 6 + 7 + 8 + as far as i can tell, atproto lexicons today don't follow much of a convention for referencing across documents: sometimes it's a StrongRef, sometimes it's a DID, sometimes it's a bare at-uri. lexicon authors choose any old link-sounding key name for the key in their document. 9 + 10 + it's pretty messy so embrace the mess: atproto wants to be part of the web, so this library will also extract URLs and other URIs if you want it to. all the links. 11 + 12 + 13 + why 14 + --- 15 + 16 + the atproto firehose that bluesky sprays at you will contain raw _contents_ from peoples' pdses. these are isolated, decontextualized updates. it's very easy to build some kinds of interesting downstream apps off of this feed. 17 + 18 + - bluesky posts (firesky, deletions, ) 19 + - blueksy post stats (emojis, ) 20 + - trending keywords () 21 + 22 + but bringing almost kind of _context_ into your project requires a big step up in complexity and potentially cost: you're entering "appview" territory. _how many likes does a post have? who follows this account?_ 23 + 24 + you own your atproto data: it's kept in your personal data repository (PDS) and noone else can write to it. when someone likes your post, they create a "like" record in their _own_ pds, and that like belongs to _them_, not to you/your post. 25 + 26 + in the firehose you'll see a `app.bsky.feed.post` record created, with no details about who has liked it. then you'll see separate `app.bsky.feed.like` records show up for each like that comes in on that post, with no context about the post except a random-looking reference to it. storing these in order to do so is up to you! 27 + 28 + **so, why** 29 + 30 + everything is links, and they're a mess, but they all kinda work the same, so maybe some tooling can bring down that big step in complexity from firehose raw-content apps -> apps requiring any social context. 31 + 32 + everything is links: 33 + 34 + - likes 35 + - follows 36 + - blocks 37 + - reposts 38 + - quotes 39 + 40 + some low-level things you could make from links: 41 + 42 + - notification streams (part of ucosm) 43 + - a global reverse index (part of ucosm) 44 + 45 + i think that making these low-level services as easy to use as jetstream could open up pathways for building more atproto apps that operate at full scale with interesting features for reasonable effort at low cost to operate. 46 + 47 + 48 + extracting links 49 + --------------- 50 + 51 + 52 + - low-level: pass a &str of a field value and get a parsed link back 53 + 54 + - med-level: pass a &str of record in json form and get a list of parsed links + json paths back. (todo: should also handle dag-cbor prob?) 55 + 56 + - high-ish level: pass the json record and maybe apply some pre-loaded rules based on known lexicons to get the best result. 57 + 58 + for now, a link is only considered if it matches for the entire value of the record's field -- links embedded in text content are not included. note that urls in bluesky posts _will_ still be extracted, since they are broken out into facets. 59 + 60 + 61 + resolving / canonicalizing links 62 + -------------------------------- 63 + 64 + 65 + ### at-uris 66 + 67 + every at-uri has at least two equivalent forms, one with a `DID`, and one with an account handle. the at-uri spec [illustrates this by example](https://atproto.com/specs/at-uri-scheme): 68 + 69 + - `at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26` 70 + - `at://bnewbold.bsky.team/app.bsky.feed.post/3jwdwj2ctlk26` 71 + 72 + some applications, like a reverse link index, may wish to canonicalize at-uris to a single form. the `DID`-form is stable as an account changes its handle and probably the right choice to canonicalize to, but maybe some apps would actually perfer to canonicalise to handles? 73 + 74 + hopefully atrium will make it easy to resolve at-uris. 75 + 76 + 77 + ### urls 78 + 79 + canonicalizing URLs is more annoying but also a bit more established. lots of details. 80 + 81 + - do we have to deal with punycode? 82 + - follow redirects (todo: only permanent ones, or all?) 83 + - check for rel=canonical http header and possibly follow it 84 + - check link rel=canonical meta tag and possibly follow it 85 + - do we need to check site maps?? 86 + - do we have to care at all about AMP? 87 + - do we want anything to do with url shorteners?? 88 + - how do multilingual sites affect this? 89 + - do we have to care about `script type="application/ld+json"` ??? 90 + 91 + ugh. is there a crate for this. 92 + 93 + 94 + ### relative uris? 95 + 96 + links might be relative, in which case they might need to be made absolute before being useful. is that a concern for this library, or up to the user? (seems like we might not have context here to determine its absolute) 97 + 98 + 99 + ### canonicalizing 100 + 101 + there should be a few async functions available to canonicalize already-parsed links. 102 + 103 + - what happens if a link can't be resolved? 104 + 105 + 106 + --- 107 + 108 + - using `tinyjson` because it's nice -- maybe should switch to serde_json to share deps with atrium? 109 + 110 + - would use atrium for parsing at-uris, but it's not in there. there's a did-only version in the non-lib commands.rs. its identifier parser is strict to did + handle, which makes sense, but for our purposes we might want to allow unknown methods too? 111 + 112 + - rsky-syntax has an aturi 113 + - adenosyne also 114 + - might come back to these 115 + 116 + 117 + ------- 118 + 119 + rocks 120 + 121 + ```bash 122 + ROCKSDB_LIB_DIR=/nix/store/z2chn0hsik0clridr8mlprx1cngh1g3c-rocksdb-9.7.3/lib/ cargo build 123 + ```
+196
legacy/ufos ops (move to micro-ops).md
··· 1 + ufos ops 2 + 3 + btrfs snapshots: snapper 4 + 5 + ```bash 6 + sudo apt install snapper 7 + sudo snapper -c ufos-db create-config /mnt/ufos-db 8 + 9 + # edit /etc/snapper/configs/ufos-db 10 + # change 11 + TIMELINE_MIN_AGE="1800" 12 + TIMELINE_LIMIT_HOURLY="10" 13 + TIMELINE_LIMIT_DAILY="10" 14 + TIMELINE_LIMIT_WEEKLY="0" 15 + TIMELINE_LIMIT_MONTHLY="10" 16 + TIMELINE_LIMIT_YEARLY="10" 17 + # to 18 + TIMELINE_MIN_AGE="1800" 19 + TIMELINE_LIMIT_HOURLY="22" 20 + TIMELINE_LIMIT_DAILY="4" 21 + TIMELINE_LIMIT_WEEKLY="0" 22 + TIMELINE_LIMIT_MONTHLY="0" 23 + TIMELINE_LIMIT_YEARLY="0" 24 + ``` 25 + 26 + this should be enough? 27 + 28 + list snapshots: 29 + 30 + ```bash 31 + sudo snapper -c ufos-db list 32 + ``` 33 + 34 + systemd 35 + 36 + create file: `/etc/systemd/system/ufos.service` 37 + 38 + ```ini 39 + [Unit] 40 + Description=UFOs-API 41 + After=network.target 42 + 43 + [Service] 44 + User=pi 45 + WorkingDirectory=/home/pi/ 46 + ExecStart=/home/pi/ufos --jetstream us-west-2 --data /mnt/ufos-db/ 47 + Environment="RUST_LOG=info" 48 + LimitNOFILE=16384 49 + Restart=always 50 + 51 + [Install] 52 + WantedBy=multi-user.target 53 + ``` 54 + 55 + then 56 + 57 + ```bash 58 + sudo systemctl daemon-reload 59 + sudo systemctl enable ufos 60 + sudo systemctl start ufos 61 + ``` 62 + 63 + monitor with 64 + 65 + ```bash 66 + journalctl -u ufos -f 67 + ``` 68 + 69 + make sure a backup dir exists 70 + 71 + ```bash 72 + mkdir /home/pi/backup 73 + ``` 74 + 75 + mount the NAS 76 + 77 + ```bash 78 + sudo mount.cifs "//truenas.local/folks data" /home/pi/backup -o user=phil,uid=pi 79 + ``` 80 + 81 + manual rsync 82 + 83 + ```bash 84 + sudo rsync -ahP --delete /mnt/ufos-db/.snapshots/1/snapshot/ backup/ufos/ 85 + ``` 86 + 87 + backup script sketch 88 + 89 + ```bash 90 + NUM=$(sudo snapper --csvout -c ufos-db list --type single --columns number | tail -n1) 91 + sudo rsync -ahP --delete "/mnt/ufos-db/.snapshots/${NUM}/snapshot/" backup/ufos/ 92 + ``` 93 + 94 + just crontab it? 95 + 96 + `sudo crontab -e` 97 + ```bash 98 + 0 1/6 * * * rsync -ahP --delete "/mnt/ufos-db/.snapshots/$(sudo snapper --csvout -c ufos-db list --columns number | tail -n1)/snapshot/" backup/ufos/ 99 + ``` 100 + 101 + ^^ try once initial backup is done 102 + 103 + 104 + --columns subvolume,number 105 + 106 + subvolume 107 + number 108 + 109 + 110 + 111 + 112 + gateway: follow constellation for nginx->prom thing 113 + 114 + config at `/etc/prometheus-nginxlog-exporter.hcl` 115 + 116 + before: `/etc/prometheus-nginxlog-exporter.hcl` 117 + 118 + ```hcl 119 + listen { 120 + port = 4044 121 + } 122 + 123 + namespace "nginx" { 124 + source = { 125 + files = [ 126 + "/var/log/nginx/constellation-access.log" 127 + ] 128 + } 129 + 130 + format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 131 + 132 + labels { 133 + app = "constellation" 134 + } 135 + 136 + relabel "cache_status" { 137 + from = "upstream_cache_status" 138 + } 139 + } 140 + ``` 141 + 142 + after: 143 + 144 + ```hcl 145 + listen { 146 + port = 4044 147 + } 148 + 149 + namespace "constellation" { 150 + source = { 151 + files = [ 152 + "/var/log/nginx/constellation-access.log" 153 + ] 154 + } 155 + 156 + format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 157 + 158 + labels { 159 + app = "constellation" 160 + } 161 + 162 + relabel "cache_status" { 163 + from = "upstream_cache_status" 164 + } 165 + 166 + namespace_label = "vhost" 167 + metrics_override = { prefix = "nginx" } 168 + } 169 + 170 + namespace "ufos" { 171 + source = { 172 + files = [ 173 + "/var/log/nginx/ufos-access.log" 174 + ] 175 + } 176 + 177 + format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 178 + 179 + labels { 180 + app = "ufos" 181 + } 182 + 183 + relabel "cache_status" { 184 + from = "upstream_cache_status" 185 + } 186 + 187 + namespace_label = "vhost" 188 + metrics_override = { prefix = "nginx" } 189 + } 190 + ``` 191 + 192 + 193 + ```bash 194 + systemctl start prometheus-nginxlog-exporter.service 195 + ``` 196 +
+1
pocket/.gitignore
··· 1 + prefs.sqlite3*
+19
pocket/Cargo.toml
··· 1 + [package] 2 + name = "pocket" 3 + version = "0.1.0" 4 + edition = "2024" 5 + 6 + [dependencies] 7 + atrium-crypto = "0.1.2" 8 + clap = { version = "4.5.41", features = ["derive"] } 9 + jwt-compact = { git = "https://github.com/fatfingers23/jwt-compact.git", features = ["es256k"] } 10 + log = "0.4.27" 11 + poem = { version = "3.1.12", features = ["acme", "static-files"] } 12 + poem-openapi = { version = "5.1.16", features = ["scalar"] } 13 + reqwest = { version = "0.12.22", features = ["json"] } 14 + rusqlite = "0.37.0" 15 + serde = { version = "1.0.219", features = ["derive"] } 16 + serde_json = { version = "1.0.141" } 17 + thiserror = "2.0.16" 18 + tokio = { version = "1.47.0", features = ["full"] } 19 + tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
+17
pocket/api-description.md
··· 1 + _A pocket dimension to stash a bit of non-public user data._ 2 + 3 + 4 + # Pocket: user preference storage 5 + 6 + This API leverages atproto service proxying to offer a bit of per-user per-app non-public data storage. 7 + Perfect for things like application preferences that might be better left out of the public PDS data. 8 + 9 + The intent is to use oauth scopes to isolate storage on a per-application basis, and to allow easy data migration from a community hosted instance to your own if you end up needing that. 10 + 11 + 12 + ### Current status 13 + 14 + > [!important] 15 + > Pocket is currently in a **v0, pre-release state**. There is one production instance and you can use it! Expect short downtimes for restarts as development progresses and occaisional data loss until it's stable. 16 + 17 + ATProto might end up adding a similar feature to [PDSs](https://atproto.com/guides/glossary#pds-personal-data-server). If/when that happens, you should use it instead of this!
+7
pocket/src/lib.rs
··· 1 + mod server; 2 + mod storage; 3 + mod token; 4 + 5 + pub use server::serve; 6 + pub use storage::Storage; 7 + pub use token::TokenVerifier;
+34
pocket/src/main.rs
··· 1 + use clap::Parser; 2 + use pocket::{Storage, serve}; 3 + use std::path::PathBuf; 4 + 5 + /// Slingshot record edge cache 6 + #[derive(Parser, Debug, Clone)] 7 + #[command(version, about, long_about = None)] 8 + struct Args { 9 + /// path to the sqlite db file 10 + #[arg(long)] 11 + db: Option<PathBuf>, 12 + /// just initialize the db and exit 13 + #[arg(long, action)] 14 + init_db: bool, 15 + /// the domain for serving a did doc (unused if running behind reflector) 16 + #[arg(long)] 17 + domain: Option<String>, 18 + } 19 + 20 + #[tokio::main] 21 + async fn main() { 22 + tracing_subscriber::fmt::init(); 23 + log::info!("👖 hi"); 24 + let args = Args::parse(); 25 + let domain = args.domain.unwrap_or("bad-example.com".into()); 26 + let db_path = args.db.unwrap_or("prefs.sqlite3".into()); 27 + if args.init_db { 28 + Storage::init(&db_path).unwrap(); 29 + log::info!("👖 initialized db at {db_path:?}. bye") 30 + } else { 31 + let storage = Storage::connect(db_path).unwrap(); 32 + serve(&domain, storage).await 33 + } 34 + }
+265
pocket/src/server.rs
··· 1 + use crate::{Storage, TokenVerifier}; 2 + use poem::{ 3 + Endpoint, EndpointExt, Route, Server, 4 + endpoint::{StaticFileEndpoint, make_sync}, 5 + http::Method, 6 + listener::TcpListener, 7 + middleware::{CatchPanic, Cors, Tracing}, 8 + }; 9 + use poem_openapi::{ 10 + ApiResponse, ContactObject, ExternalDocumentObject, Object, OpenApi, OpenApiService, 11 + SecurityScheme, Tags, 12 + auth::Bearer, 13 + payload::{Json, PlainText}, 14 + types::Example, 15 + }; 16 + use serde::Serialize; 17 + use serde_json::{Value, json}; 18 + use std::sync::{Arc, Mutex}; 19 + 20 + #[derive(Debug, SecurityScheme)] 21 + #[oai(ty = "bearer")] 22 + struct XrpcAuth(Bearer); 23 + 24 + #[derive(Tags)] 25 + enum ApiTags { 26 + /// Custom pocket APIs 27 + #[oai(rename = "Pocket APIs")] 28 + Pocket, 29 + } 30 + 31 + #[derive(Object)] 32 + #[oai(example = true)] 33 + struct XrpcErrorResponseObject { 34 + /// Should correspond an error `name` in the lexicon errors array 35 + error: String, 36 + /// Human-readable description and possibly additonal context 37 + message: String, 38 + } 39 + impl Example for XrpcErrorResponseObject { 40 + fn example() -> Self { 41 + Self { 42 + error: "PreferencesNotFound".to_string(), 43 + message: "No preferences were found for this user".to_string(), 44 + } 45 + } 46 + } 47 + type XrpcError = Json<XrpcErrorResponseObject>; 48 + fn xrpc_error(error: impl AsRef<str>, message: impl AsRef<str>) -> XrpcError { 49 + Json(XrpcErrorResponseObject { 50 + error: error.as_ref().to_string(), 51 + message: message.as_ref().to_string(), 52 + }) 53 + } 54 + 55 + #[derive(Debug, Object)] 56 + #[oai(example = true)] 57 + struct BskyPrefsObject { 58 + /// at-uri for this record 59 + preferences: Value, 60 + } 61 + impl Example for BskyPrefsObject { 62 + fn example() -> Self { 63 + Self { 64 + preferences: json!({ 65 + "hello": "world", 66 + }), 67 + } 68 + } 69 + } 70 + 71 + #[derive(ApiResponse)] 72 + enum GetBskyPrefsResponse { 73 + /// Record found 74 + #[oai(status = 200)] 75 + Ok(Json<BskyPrefsObject>), 76 + /// Bad request or no preferences to return 77 + #[oai(status = 400)] 78 + BadRequest(XrpcError), 79 + } 80 + 81 + #[derive(ApiResponse)] 82 + enum PutBskyPrefsResponse { 83 + /// Record found 84 + #[oai(status = 200)] 85 + Ok(PlainText<String>), 86 + /// Bad request or no preferences to return 87 + #[oai(status = 400)] 88 + BadRequest(XrpcError), 89 + // /// Server errors 90 + // #[oai(status = 500)] 91 + // ServerError(XrpcError), 92 + } 93 + 94 + struct Xrpc { 95 + verifier: TokenVerifier, 96 + storage: Arc<Mutex<Storage>>, 97 + } 98 + 99 + #[OpenApi] 100 + impl Xrpc { 101 + /// com.bad-example.pocket.getPreferences 102 + /// 103 + /// get stored preferencess 104 + #[oai( 105 + path = "/com.bad-example.pocket.getPreferences", 106 + method = "get", 107 + tag = "ApiTags::Pocket" 108 + )] 109 + async fn pocket_get_prefs(&self, XrpcAuth(auth): XrpcAuth) -> GetBskyPrefsResponse { 110 + let (did, aud) = match self 111 + .verifier 112 + .verify("com.bad-example.pocket.getPreferences", &auth.token) 113 + .await 114 + { 115 + Ok(d) => d, 116 + Err(e) => return GetBskyPrefsResponse::BadRequest(xrpc_error("boooo", e.to_string())), 117 + }; 118 + log::info!("verified did: {did}/{aud}"); 119 + 120 + let storage = self.storage.clone(); 121 + 122 + let Ok(Ok(res)) = tokio::task::spawn_blocking(move || { 123 + storage 124 + .lock() 125 + .unwrap() 126 + .get(&did, &aud) 127 + .inspect_err(|e| log::error!("failed to get prefs: {e}")) 128 + }) 129 + .await 130 + else { 131 + return GetBskyPrefsResponse::BadRequest(xrpc_error("boooo", "failed to get from db")); 132 + }; 133 + 134 + let Some(serialized) = res else { 135 + return GetBskyPrefsResponse::BadRequest(xrpc_error( 136 + "NotFound", 137 + "could not find prefs for u", 138 + )); 139 + }; 140 + 141 + let preferences = match serde_json::from_str(&serialized) { 142 + Ok(v) => v, 143 + Err(e) => { 144 + log::error!("failed to deserialize prefs: {e}"); 145 + return GetBskyPrefsResponse::BadRequest(xrpc_error( 146 + "boooo", 147 + "failed to deserialize prefs", 148 + )); 149 + } 150 + }; 151 + 152 + GetBskyPrefsResponse::Ok(Json(BskyPrefsObject { preferences })) 153 + } 154 + 155 + /// com.bad-example.pocket.putPreferences 156 + /// 157 + /// store bluesky prefs 158 + #[oai( 159 + path = "/com.bad-example.pocket.putPreferences", 160 + method = "post", 161 + tag = "ApiTags::Pocket" 162 + )] 163 + async fn pocket_put_prefs( 164 + &self, 165 + XrpcAuth(auth): XrpcAuth, 166 + Json(prefs): Json<BskyPrefsObject>, 167 + ) -> PutBskyPrefsResponse { 168 + let (did, aud) = match self 169 + .verifier 170 + .verify("com.bad-example.pocket.putPreferences", &auth.token) 171 + .await 172 + { 173 + Ok(d) => d, 174 + Err(e) => return PutBskyPrefsResponse::BadRequest(xrpc_error("boooo", e.to_string())), 175 + }; 176 + log::info!("verified did: {did}/{aud}"); 177 + log::warn!("received prefs: {prefs:?}"); 178 + 179 + let storage = self.storage.clone(); 180 + let serialized = prefs.preferences.to_string(); 181 + 182 + let Ok(Ok(())) = tokio::task::spawn_blocking(move || { 183 + storage 184 + .lock() 185 + .unwrap() 186 + .put(&did, &aud, &serialized) 187 + .inspect_err(|e| log::error!("failed to insert prefs: {e}")) 188 + }) 189 + .await 190 + else { 191 + return PutBskyPrefsResponse::BadRequest(xrpc_error("boooo", "failed to put to db")); 192 + }; 193 + 194 + PutBskyPrefsResponse::Ok(PlainText("saved.".to_string())) 195 + } 196 + } 197 + 198 + #[derive(Debug, Clone, Serialize)] 199 + #[serde(rename_all = "camelCase")] 200 + struct AppViewService { 201 + id: String, 202 + r#type: String, 203 + service_endpoint: String, 204 + } 205 + #[derive(Debug, Clone, Serialize)] 206 + struct AppViewDoc { 207 + id: String, 208 + service: [AppViewService; 2], 209 + } 210 + /// Serve a did document for did:web for this to be an xrpc appview 211 + fn get_did_doc(domain: &str) -> impl Endpoint + use<> { 212 + let doc = poem::web::Json(AppViewDoc { 213 + id: format!("did:web:{domain}"), 214 + service: [ 215 + AppViewService { 216 + id: "#pocket_prefs".to_string(), 217 + r#type: "PocketPreferences".to_string(), 218 + service_endpoint: format!("https://{domain}"), 219 + }, 220 + AppViewService { 221 + id: "#bsky_appview".to_string(), 222 + r#type: "BlueskyAppview".to_string(), 223 + service_endpoint: format!("https://{domain}"), 224 + }, 225 + ], 226 + }); 227 + make_sync(move |_| doc.clone()) 228 + } 229 + 230 + pub async fn serve(domain: &str, storage: Storage) -> () { 231 + let verifier = TokenVerifier::default(); 232 + let api_service = OpenApiService::new( 233 + Xrpc { 234 + verifier, 235 + storage: Arc::new(Mutex::new(storage)), 236 + }, 237 + "Pocket", 238 + env!("CARGO_PKG_VERSION"), 239 + ) 240 + .server(domain) 241 + .url_prefix("/xrpc") 242 + .contact( 243 + ContactObject::new() 244 + .name("@microcosm.blue") 245 + .url("https://bsky.app/profile/microcosm.blue"), 246 + ) 247 + .description(include_str!("../api-description.md")) 248 + .external_document(ExternalDocumentObject::new("https://microcosm.blue/pocket")); 249 + 250 + let app = Route::new() 251 + .nest("/openapi", api_service.spec_endpoint()) 252 + .nest("/xrpc/", api_service) 253 + .at("/.well-known/did.json", get_did_doc(domain)) 254 + .at("/", StaticFileEndpoint::new("./static/index.html")) 255 + .with( 256 + Cors::new() 257 + .allow_method(Method::GET) 258 + .allow_method(Method::POST), 259 + ) 260 + .with(CatchPanic::new()) 261 + .with(Tracing); 262 + 263 + let listener = TcpListener::bind("127.0.0.1:3000"); 264 + Server::new(listener).name("pocket").run(app).await.unwrap(); 265 + }
+50
pocket/src/storage.rs
··· 1 + use rusqlite::{Connection, OptionalExtension, Result}; 2 + use std::path::Path; 3 + 4 + pub struct Storage { 5 + con: Connection, 6 + } 7 + 8 + impl Storage { 9 + pub fn connect(path: impl AsRef<Path>) -> Result<Self> { 10 + let con = Connection::open(path)?; 11 + con.pragma_update(None, "journal_mode", "WAL")?; 12 + con.pragma_update(None, "synchronous", "NORMAL")?; 13 + con.pragma_update(None, "busy_timeout", "100")?; 14 + con.pragma_update(None, "foreign_keys", "ON")?; 15 + Ok(Self { con }) 16 + } 17 + pub fn init(path: impl AsRef<Path>) -> Result<Self> { 18 + let me = Self::connect(path)?; 19 + me.con.execute( 20 + r#" 21 + create table prefs ( 22 + actor text not null, 23 + aud text not null, 24 + pref text not null, 25 + primary key (actor, aud) 26 + ) strict"#, 27 + (), 28 + )?; 29 + Ok(me) 30 + } 31 + pub fn put(&self, actor: &str, aud: &str, pref: &str) -> Result<()> { 32 + self.con.execute( 33 + r#"insert into prefs (actor, aud, pref) 34 + values (?1, ?2, ?3) 35 + on conflict do update set pref = excluded.pref"#, 36 + [actor, aud, pref], 37 + )?; 38 + Ok(()) 39 + } 40 + pub fn get(&self, actor: &str, aud: &str) -> Result<Option<String>> { 41 + self.con 42 + .query_one( 43 + r#"select pref from prefs 44 + where actor = ?1 and aud = ?2"#, 45 + [actor, aud], 46 + |row| row.get(0), 47 + ) 48 + .optional() 49 + } 50 + }
+143
pocket/src/token.rs
··· 1 + use atrium_crypto::did::parse_multikey; 2 + use atrium_crypto::verify::Verifier; 3 + use jwt_compact::UntrustedToken; 4 + use serde::Deserialize; 5 + use std::collections::HashMap; 6 + use std::time::Duration; 7 + use thiserror::Error; 8 + 9 + #[derive(Debug, Deserialize)] 10 + struct MiniDoc { 11 + signing_key: String, 12 + did: String, 13 + } 14 + 15 + #[derive(Error, Debug)] 16 + pub enum VerifyError { 17 + #[error("The cross-service authorization token failed verification: {0}")] 18 + VerificationFailed(&'static str), 19 + #[error("Error trying to resolve the DID to a signing key, retry in a moment: {0}")] 20 + ResolutionFailed(&'static str), 21 + } 22 + 23 + pub struct TokenVerifier { 24 + client: reqwest::Client, 25 + } 26 + 27 + impl TokenVerifier { 28 + pub fn new() -> Self { 29 + let client = reqwest::Client::builder() 30 + .user_agent(format!( 31 + "microcosm pocket v{} (dev: @bad-example.com)", 32 + env!("CARGO_PKG_VERSION") 33 + )) 34 + .no_proxy() 35 + .timeout(Duration::from_secs(12)) // slingshot timeout is 10s 36 + .build() 37 + .unwrap(); 38 + Self { client } 39 + } 40 + 41 + pub async fn verify( 42 + &self, 43 + expected_lxm: &str, 44 + token: &str, 45 + ) -> Result<(String, String), VerifyError> { 46 + let untrusted = UntrustedToken::new(token).unwrap(); 47 + 48 + // danger! unfortunately we need to decode the DID from the jwt body before we have a public key to verify the jwt with 49 + let Ok(untrusted_claims) = 50 + untrusted.deserialize_claims_unchecked::<HashMap<String, String>>() 51 + else { 52 + return Err(VerifyError::VerificationFailed( 53 + "could not deserialize jtw claims", 54 + )); 55 + }; 56 + 57 + // get the (untrusted!) claimed DID 58 + let Some(untrusted_did) = untrusted_claims.custom.get("iss") else { 59 + return Err(VerifyError::VerificationFailed( 60 + "jwt must include the user's did in `iss`", 61 + )); 62 + }; 63 + 64 + // bail if it's not even a user-ish did 65 + if !untrusted_did.starts_with("did:") { 66 + return Err(VerifyError::VerificationFailed("iss should be a did")); 67 + } 68 + if untrusted_did.contains("#") { 69 + return Err(VerifyError::VerificationFailed( 70 + "iss should be a user did without a service identifier", 71 + )); 72 + } 73 + 74 + let endpoint = 75 + "https://slingshot.microcosm.blue/xrpc/com.bad-example.identity.resolveMiniDoc"; 76 + let doc: MiniDoc = self 77 + .client 78 + .get(format!("{endpoint}?identifier={untrusted_did}")) 79 + .send() 80 + .await 81 + .map_err(|_| VerifyError::ResolutionFailed("failed to fetch minidoc"))? 82 + .error_for_status() 83 + .map_err(|_| VerifyError::ResolutionFailed("non-ok response for minidoc"))? 84 + .json() 85 + .await 86 + .map_err(|_| VerifyError::ResolutionFailed("failed to parse json to minidoc"))?; 87 + 88 + // sanity check before we go ahead with this signing key 89 + if doc.did != *untrusted_did { 90 + return Err(VerifyError::VerificationFailed( 91 + "wtf, resolveMiniDoc returned a doc for a different DID, slingshot bug", 92 + )); 93 + } 94 + 95 + let Ok((alg, public_key)) = parse_multikey(&doc.signing_key) else { 96 + return Err(VerifyError::VerificationFailed( 97 + "could not parse signing key form minidoc", 98 + )); 99 + }; 100 + 101 + // i _guess_ we've successfully bootstrapped the verification of the jwt unless this fails 102 + if let Err(e) = Verifier::default().verify( 103 + alg, 104 + &public_key, 105 + &untrusted.signed_data, 106 + untrusted.signature_bytes(), 107 + ) { 108 + log::warn!("jwt verification failed: {e}"); 109 + return Err(VerifyError::VerificationFailed( 110 + "jwt signature verification failed", 111 + )); 112 + } 113 + 114 + // past this point we're should have established trust. crossing ts and dotting is. 115 + let did = &untrusted_did; 116 + let claims = &untrusted_claims; 117 + 118 + let Some(aud) = claims.custom.get("aud") else { 119 + return Err(VerifyError::VerificationFailed("missing aud")); 120 + }; 121 + let Some(mut aud) = aud.strip_prefix("did:web:") else { 122 + return Err(VerifyError::VerificationFailed("expected a did:web aud")); 123 + }; 124 + if let Some((aud_without_hash, _)) = aud.split_once("#") { 125 + log::warn!("aud claim is missing service id fragment: {aud:?}"); 126 + aud = aud_without_hash; 127 + } 128 + let Some(lxm) = claims.custom.get("lxm") else { 129 + return Err(VerifyError::VerificationFailed("missing lxm")); 130 + }; 131 + if lxm != expected_lxm { 132 + return Err(VerifyError::VerificationFailed("wrong lxm")); 133 + } 134 + 135 + Ok((did.to_string(), aud.to_string())) 136 + } 137 + } 138 + 139 + impl Default for TokenVerifier { 140 + fn default() -> Self { 141 + Self::new() 142 + } 143 + }
+67
pocket/static/index.html
··· 1 + <!doctype html> 2 + <html lang="en"> 3 + <head> 4 + <meta charset="utf-8" /> 5 + <title>Pocket: atproto user preference storage</title> 6 + <meta name="viewport" content="width=device-width, initial-scale=1" /> 7 + <meta name="description" content="API Documentation for Pocket, a simple user-preference storage system for atproto" /> 8 + <style> 9 + :root { 10 + --scalar-small: 13px; 11 + } 12 + .scalar-app .markdown .markdown-alert { 13 + font-size: var(--scalar-small); 14 + } 15 + .sidebar-heading-link-title { 16 + line-height: 1.2; 17 + } 18 + .custom-header { 19 + height: 42px; 20 + background-color: #221828; 21 + box-shadow: inset 0 -1px 0 var(--scalar-border-color); 22 + color: var(--scalar-color-1); 23 + font-size: var(--scalar-font-size-3); 24 + font-family: 'Iowan Old Style', 'Palatino Linotype', 'URW Palladio L', P052, serif; 25 + padding: 0 18px; 26 + justify-content: space-between; 27 + } 28 + .custom-header, 29 + .custom-header nav { 30 + display: flex; 31 + align-items: center; 32 + gap: 18px; 33 + } 34 + .custom-header a:hover { 35 + color: var(--scalar-color-2); 36 + } 37 + 38 + .light-mode .custom-header { 39 + background-color: thistle; 40 + } 41 + </style> 42 + </head> 43 + <body> 44 + <header class="custom-header scalar-app"> 45 + <p> 46 + TODO: thing 47 + </p> 48 + <nav> 49 + <b>a <a href="https://microcosm.blue">microcosm</a> project</b> 50 + <a href="https://bsky.app/profile/microcosm.blue">@microcosm.blue</a> 51 + <a href="https://github.com/at-microcosm">github</a> 52 + </nav> 53 + </header> 54 + 55 + <script id="api-reference" type="application/json" data-url="/openapi"></script> 56 + 57 + <script> 58 + var configuration = { 59 + theme: 'purple', 60 + hideModels: true, 61 + } 62 + document.getElementById('api-reference').dataset.configuration = JSON.stringify(configuration) 63 + </script> 64 + 65 + <script src="https://cdn.jsdelivr.net/npm/@scalar/api-reference"></script> 66 + </body> 67 + </html>
+8
quasar/Cargo.toml
··· 1 + [package] 2 + name = "quasar" 3 + version = "0.1.0" 4 + edition = "2024" 5 + 6 + [dependencies] 7 + clap = { version = "4.5.46", features = ["derive"] } 8 + fjall = "2.11.2"
+3
quasar/readme.md
··· 1 + # quasar 2 + 3 + indexed replay and fan-out for event stream services (wip)
+3
quasar/src/lib.rs
··· 1 + mod storage; 2 + 3 + pub use storage::Storage;
+3
quasar/src/main.rs
··· 1 + fn main() { 2 + println!("Hello, world!"); 3 + }
+4
quasar/src/storage.rs
··· 1 + 2 + pub trait Storage { 3 + 4 + }
+57 -129
readme.md
··· 1 - microcosm: links 2 - ================ 3 - 4 - this repo contains libraries and apps for working with cross-record references in at-protocol. 5 - 1 + microcosm HTTP APIs + rust crates 2 + ================================= 3 + [![@microcosm.blue: bluesky](https://img.shields.io/badge/@microcosm.blue-bluesky-blue)](https://bsky.app/profile/microcosm.blue) 4 + [![microcosm discord: join](https://img.shields.io/badge/microcosm_discord-join-purple)](https://discord.gg/tcDfe4PGVB) 5 + [![github sponsors: support](https://img.shields.io/badge/github_sponsors-support-pink)](https://github.com/sponsors/uniphil/) 6 + [![ko-fi: support](https://img.shields.io/badge/ko--fi-support-pink)](https://ko-fi.com/bad_example) 6 7 7 - App: [Constellation](./constellation/) 8 - -------------------------------------------- 8 + Welcome! Documentation is under active development. If you like reading API docs, you'll probably hit the ground running! 9 9 10 - A global atproto backlink index ✨ 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 - - Self hostable: handles the full write throughput of the global atproto firehose on a raspberry pi 4b + single SSD 13 - - Storage efficient: less than 2GB/day disk consumption indexing all references in all lexicons and all non-atproto URLs 14 - - Handles record deletion, account de/re-activation, and account deletion, ensuring accurate link counts and respecting users data choices 15 - - Simple JSON API 12 + > [!tip] 13 + > This repository's primary home is moving to tangled: [@microcosm.blue/microcosm-rs](https://tangled.sh/@microcosm.blue/microcosm-rs). It will continue to be mirrored on [github](https://github.com/at-microcosm/microcosm-rs) for the forseeable future, and it's fine to open issues or pulls in either place! 16 14 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 - - **status**: works! api is unstable and likely to change, and no known instances have a full network backfill yet. 20 - - source: [./constellation/](./constellation/) 21 - - public instance: [constellation.microcosm.blue](https://constellation.microcosm.blue/) 22 - 23 - _note: the public instance currently runs on a little raspberry pi in my house, feel free to use it! it comes with only with best-effort uptime, no commitment to not breaking the api for now, and possible rate-limiting. if you want to be nice you can put your project name and bsky username (or email) in your user-agent header for api requests._ 24 - 25 - 26 - App: Spacedust 27 - -------------- 28 - 29 - A notification subscription service 💫 30 - 31 - using the same "link source" concept as [constellation](./constellation/), offer webhook notifications for new references created to records 32 - 33 - - **status**: in design 34 - 35 - 36 - Library: [links](./links/) 16 + 🌌 [Constellation](./constellation/) 37 17 ------------------------------------ 38 18 39 - A rust crate (not published on crates.io yet) for optimistically parsing links out of arbitrary atproto PDS records, and potentially canonicalizing them 40 - 41 - - **status**: unstable, might remain an internal lib for constellation (and spacedust, soon) 42 - 43 - 44 - 45 - --- 46 - 47 - 48 - old notes follow, ignore 49 - ------------------------ 50 - 51 - 52 - as far as i can tell, atproto lexicons today don't follow much of a convention for referencing across documents: sometimes it's a StrongRef, sometimes it's a DID, sometimes it's a bare at-uri. lexicon authors choose any old link-sounding key name for the key in their document. 53 - 54 - it's pretty messy so embrace the mess: atproto wants to be part of the web, so this library will also extract URLs and other URIs if you want it to. all the links. 55 - 56 - 57 - why 58 - --- 59 - 60 - the atproto firehose that bluesky sprays at you will contain raw _contents_ from peoples' pdses. these are isolated, decontextualized updates. it's very easy to build some kinds of interesting downstream apps off of this feed. 61 - 62 - - bluesky posts (firesky, deletions, ) 63 - - blueksy post stats (emojis, ) 64 - - trending keywords () 65 - 66 - but bringing almost kind of _context_ into your project requires a big step up in complexity and potentially cost: you're entering "appview" territory. _how many likes does a post have? who follows this account?_ 67 - 68 - you own your atproto data: it's kept in your personal data repository (PDS) and noone else can write to it. when someone likes your post, they create a "like" record in their _own_ pds, and that like belongs to _them_, not to you/your post. 69 - 70 - in the firehose you'll see a `app.bsky.feed.post` record created, with no details about who has liked it. then you'll see separate `app.bsky.feed.like` records show up for each like that comes in on that post, with no context about the post except a random-looking reference to it. storing these in order to do so is up to you! 71 - 72 - **so, why** 73 - 74 - everything is links, and they're a mess, but they all kinda work the same, so maybe some tooling can bring down that big step in complexity from firehose raw-content apps -> apps requiring any social context. 75 - 76 - everything is links: 77 - 78 - - likes 79 - - follows 80 - - blocks 81 - - reposts 82 - - quotes 83 - 84 - some low-level things you could make from links: 85 - 86 - - notification streams (part of ucosm) 87 - - a global reverse index (part of ucosm) 88 - 89 - i think that making these low-level services as easy to use as jetstream could open up pathways for building more atproto apps that operate at full scale with interesting features for reasonable effort at low cost to operate. 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 + - Source: [./constellation/](./constellation/) 22 + - [Public instance/API docs](https://constellation.microcosm.blue/) 23 + - Status: used in production. APIs will change but backwards compatibility will be maintained as long as needed. 91 24 92 - extracting links 93 - --------------- 94 25 26 + 🎇 [Spacedust](./spacedust/) 27 + ---------------------------- 95 28 96 - - low-level: pass a &str of a field value and get a parsed link back 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 - - 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 + - Source: [./spacedust/](./spacedust/) 32 + - [Public instance/API docs](https://spacedust.microcosm.blue/) 33 + - Status: v0: the basics work and the APIs are in place! missing cursor replay, forward link storage, and delete event link hydration. 99 34 100 - - high-ish level: pass the json record and maybe apply some pre-loaded rules based on known lexicons to get the best result. 35 + ### Demos: 101 36 102 - 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 + - [Spacedust notifications](https://notifications.microcosm.blue/): web push notifications for _every_ atproto app 38 + - [Zero-Bluesky real-time interaction-updating post embed](https://bsky.bad-example.com/zero-bluesky-realtime-embed/) 103 39 104 40 105 - resolving / canonicalizing links 106 - -------------------------------- 41 + 🛰️ [Slingshot](./slingshot) 42 + --------------------------- 107 43 44 + A fast, eager, production-grade edge cache for atproto records and identities. Pre-caches all records from the firehose and maintains a longer-term cache of requested records on disk. 108 45 109 - ### at-uris 46 + - Source: [./slingshot/](./slingshot/) 47 + - [Public instance/API docs](https://slingshot.microcosm.blue/) 48 + - Status: v0: most XRPC APIs are working. cache storage is being reworked. 110 49 111 - 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 - - `at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26` 114 - - `at://bnewbold.bsky.team/app.bsky.feed.post/3jwdwj2ctlk26` 51 + 🛸 [UFOs API](./ufos) 52 + --------------------- 115 53 116 - 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 + 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 - hopefully atrium will make it easy to resolve at-uris. 56 + - Source: [./ufos/](./ufos/) 57 + - [Public instance/API docs](https://ufos-api.microcosm.blue/) 58 + - Status: Used in production. It has APIs and they work! Needs improvement on indexing; needs more indexes and some more APIs to the data exposed. 119 59 60 + > [!tip] 61 + > See also: [UFOs atproto explorer](https://ufos.microcosm.blue/) built on UFOs API. ([source](github.com/at-microcosm/spacedust-utils)) 120 62 121 - ### urls 122 63 123 - canonicalizing URLs is more annoying but also a bit more established. lots of details. 64 + 💫 [Links](./links) 65 + ------------------- 124 66 125 - - do we have to deal with punycode? 126 - - follow redirects (todo: only permanent ones, or all?) 127 - - check for rel=canonical http header and possibly follow it 128 - - check link rel=canonical meta tag and possibly follow it 129 - - do we need to check site maps?? 130 - - do we have to care at all about AMP? 131 - - do we want anything to do with url shorteners?? 132 - - how do multilingual sites affect this? 133 - - do we have to care about `script type="application/ld+json"` ??? 67 + Rust library for parsing and extracting links (at-uris, DIDs, and URLs) from atproto records. 134 68 135 - ugh. is there a crate for this. 69 + - Source: [./links/](./links/) 70 + - Status: not yet published to crates.io; needs some rework 136 71 137 72 138 - ### relative uris? 139 - 140 - links might be relative, in which case they might need to be made absolute before being useful. is that a concern for this library, or up to the user? (seems like we might not have context here to determine its absolute) 141 - 142 - 143 - ### canonicalizing 144 - 145 - there should be a few async functions available to canonicalize already-parsed links. 146 - 147 - - what happens if a link can't be resolved? 73 + 🛩️ [Jetstream](./jetstream) 74 + --------------------------- 148 75 76 + A low-overhead jetstream client with cursor handling and automatic reconnect. 149 77 150 - --- 78 + - Source: [./links/](./links/) 79 + - Status: used in multiple apps in production, but not yet published to crates.io; some rework planned 151 80 152 - - using `tinyjson` because it's nice -- maybe should switch to serde_json to share deps with atrium? 81 + > [!tip] 82 + > See also: [Rocketman](https://github.com/teal-fm/cadet/tree/main/rocketman), another excellent rust jetstream client which shares some lineage and _is_ published on crates.io. 153 83 154 - - 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 - - rsky-syntax has an aturi 157 - - adenosyne also 158 - - might come back to these 159 85 86 + 🔭 Deprecated: [Who am I](./who-am-i) 87 + ------------------------------------- 160 88 161 - ------- 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 - rocks 91 + - Source: [./who-am-i/](./who-am-i/) 92 + - Status: ready for retirement. 164 93 165 - ```bash 166 - ROCKSDB_LIB_DIR=/nix/store/z2chn0hsik0clridr8mlprx1cngh1g3c-rocksdb-9.7.3/lib/ cargo build 167 - ``` 94 + > [!warning] 95 + > `who-am-i` is still in use for the Spacedust Notifications demo, but that will hopefully be migrated to use atproto oauth directly instead.
+12
reflector/Cargo.toml
··· 1 + [package] 2 + name = "reflector" 3 + version = "0.1.0" 4 + edition = "2024" 5 + 6 + [dependencies] 7 + clap = { version = "4.5.47", features = ["derive"] } 8 + log = "0.4.28" 9 + poem = "3.1.12" 10 + serde = { version = "1.0.219", features = ["derive"] } 11 + tokio = "1.47.1" 12 + tracing-subscriber = { version = "0.3.20", features = ["env-filter"] }
+9
reflector/readme.md
··· 1 + # reflector 2 + 3 + a tiny did:web service server that maps subdomains to a single service endpoint 4 + 5 + receiving requests from multiple subdomains is left as a problem for the reverse proxy to solve, since acme wildcard certificates (ie. letsencrypt) require the most complicated and involved challenge type (DNS). 6 + 7 + caddy [has good support for](https://caddyserver.com/docs/caddyfile/patterns#wildcard-certificates) configuring the wildcard DNS challenge with various DNS providers, and also supports [on-demand](https://caddyserver.com/docs/automatic-https#using-on-demand-tls) provisioning via the simpler methods. 8 + 9 + if you only need a small fixed number of subdomains, you can also use certbot or otherwise individually configure them in your reverse proxy.
+112
reflector/src/main.rs
··· 1 + use clap::Parser; 2 + use poem::{ 3 + EndpointExt, Response, Route, Server, get, handler, 4 + http::StatusCode, 5 + listener::TcpListener, 6 + middleware::{AddData, Tracing}, 7 + web::{Data, Json, Query, TypedHeader, headers::Host}, 8 + }; 9 + use serde::{Deserialize, Serialize}; 10 + 11 + #[handler] 12 + fn hello() -> String { 13 + "ɹoʇɔǝʅⅎǝɹ".to_string() 14 + } 15 + 16 + #[derive(Debug, Serialize)] 17 + struct DidDoc { 18 + id: String, 19 + service: [DidService; 1], 20 + } 21 + 22 + #[derive(Debug, Clone, Serialize)] 23 + #[serde(rename_all = "camelCase")] 24 + struct DidService { 25 + id: String, 26 + r#type: String, 27 + service_endpoint: String, 28 + } 29 + 30 + #[handler] 31 + fn did_doc(TypedHeader(host): TypedHeader<Host>, service: Data<&DidService>) -> Json<DidDoc> { 32 + Json(DidDoc { 33 + id: format!("did:web:{}", host.hostname()), 34 + service: [service.clone()], 35 + }) 36 + } 37 + 38 + #[derive(Deserialize)] 39 + struct AskQuery { 40 + domain: String, 41 + } 42 + #[handler] 43 + fn ask_caddy( 44 + Data(parent): Data<&Option<String>>, 45 + Query(AskQuery { domain }): Query<AskQuery>, 46 + ) -> Response { 47 + if let Some(parent) = parent 48 + && let Some(prefix) = domain.strip_suffix(&format!(".{parent}")) 49 + && !prefix.contains('.') 50 + { 51 + // no sub-sub-domains allowed 52 + return Response::builder().body("ok"); 53 + }; 54 + Response::builder() 55 + .status(StatusCode::FORBIDDEN) 56 + .body("nope") 57 + } 58 + 59 + /// Slingshot record edge cache 60 + #[derive(Parser, Debug, Clone)] 61 + #[command(version, about, long_about = None)] 62 + struct Args { 63 + /// The DID document service ID to serve 64 + /// 65 + /// must start with a '#', like `#bsky_appview' 66 + #[arg(long)] 67 + id: String, 68 + /// Service type 69 + /// 70 + /// Not sure exactly what its requirements are. 'BlueskyAppview' for example 71 + #[arg(long)] 72 + r#type: String, 73 + /// The HTTPS endpoint for the service 74 + #[arg(long)] 75 + service_endpoint: String, 76 + /// The parent domain; requests should come from subdomains of this 77 + #[arg(long)] 78 + domain: Option<String>, 79 + } 80 + 81 + impl From<Args> for DidService { 82 + fn from(a: Args) -> Self { 83 + Self { 84 + id: a.id, 85 + r#type: a.r#type, 86 + service_endpoint: a.service_endpoint, 87 + } 88 + } 89 + } 90 + 91 + #[tokio::main(flavor = "current_thread")] 92 + async fn main() { 93 + tracing_subscriber::fmt::init(); 94 + log::info!("ɹoʇɔǝʅⅎǝɹ"); 95 + 96 + let args = Args::parse(); 97 + let domain = args.domain.clone(); 98 + let service: DidService = args.into(); 99 + 100 + Server::new(TcpListener::bind("0.0.0.0:3001")) 101 + .run( 102 + Route::new() 103 + .at("/", get(hello)) 104 + .at("/.well-known/did.json", get(did_doc)) 105 + .at("/ask", get(ask_caddy)) 106 + .with(AddData::new(service)) 107 + .with(AddData::new(domain)) 108 + .with(Tracing), 109 + ) 110 + .await 111 + .unwrap() 112 + }
+1
slingshot/.gitignore
··· 1 + foyer
+31
slingshot/Cargo.toml
··· 1 + [package] 2 + name = "slingshot" 3 + version = "0.1.0" 4 + edition = "2024" 5 + 6 + [dependencies] 7 + atrium-api = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace", default-features = false } 8 + atrium-common = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace" } 9 + atrium-identity = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace" } 10 + atrium-oauth = { git = "https://github.com/uniphil/atrium.git", branch = "fix/resolve-handle-https-accept-whitespace" } 11 + clap = { version = "4.5.41", features = ["derive"] } 12 + ctrlc = "3.4.7" 13 + foyer = { version = "0.18.0", features = ["serde"] } 14 + hickory-resolver = "0.25.2" 15 + jetstream = { path = "../jetstream", features = ["metrics"] } 16 + links = { path = "../links" } 17 + log = "0.4.27" 18 + metrics = "0.24.2" 19 + metrics-exporter-prometheus = { version = "0.17.1", features = ["http-listener"] } 20 + poem = { version = "3.1.12", features = ["acme", "static-files"] } 21 + poem-openapi = { version = "5.1.16", features = ["scalar"] } 22 + reqwest = { version = "0.12.22", features = ["json"] } 23 + rustls = "0.23.31" 24 + serde = { version = "1.0.219", features = ["derive"] } 25 + serde_json = { version = "1.0.141", features = ["raw_value"] } 26 + thiserror = "2.0.12" 27 + time = { version = "0.3.41", features = ["serde"] } 28 + tokio = { version = "1.47.0", features = ["full"] } 29 + tokio-util = "0.7.15" 30 + tracing-subscriber = { version = "0.3.19", features = ["env-filter"] } 31 + url = "2.5.4"
+93
slingshot/api-description.md
··· 1 + _A [gravitational slingshot](https://en.wikipedia.org/wiki/Gravity_assist) makes use of the gravity and relative movements of celestial bodies to accelerate a spacecraft and change its trajectory._ 2 + 3 + 4 + # Slingshot: edge record cache 5 + 6 + Applications in [ATProtocol](https://atproto.com/) store data in users' own [PDS](https://atproto.com/guides/self-hosting) (Personal Data Server), which are distributed across thousands of independently-run servers all over the world. Trying to access this data poses challenges for client applications: 7 + 8 + - A PDS might be far away with long network latency 9 + - or may be on an unreliable connection 10 + - or overloaded when you need it, or offline, or… 11 + 12 + Large projects like [Bluesky](https://bsky.app/) control their performance and reliability by syncing all app-relevant data from PDSs into first-party databases. But for new apps, building out this additional data infrastructure adds significant effort and complexity up front. 13 + 14 + **Slingshot is a fast, eager, production-grade cache of data in the [ATmosphere](https://atproto.com/)**, offering performance and reliability without custom infrastructure. 15 + 16 + 17 + ### Current status 18 + 19 + > [!important] 20 + > Slingshot is currently in a **v0, pre-release state**. There is one production instance and you can use it! Expect short downtimes for restarts as development progresses and lower cache hit-rates as the internal storage caches are adjusted and reset. 21 + 22 + The core APIs will not change, since they are standard third-party `com.atproto` query APIs from ATProtocol. 23 + 24 + 25 + ## Eager caching 26 + 27 + In many cases, Slingshot can cache the data you need *before* first request! 28 + 29 + Slingshot subscribes to the global [Firehose](https://atproto.com/specs/sync#firehose) of data updates. It keeps a short-term rolling indexed window of *all* data, and automatically promotes content likely to be requested to its longer-term main cache. _(automatic promotion is still a work in progress)_ 30 + 31 + When there is a cache miss, Slingshot can often still accelerate record fetching, since it keeps a large cache of resolved identities: it can usually request from the correct PDS without extra lookups. 32 + 33 + 34 + ## Precise invalidation 35 + 36 + The fireshose includes **update** and **delete** events, which Slingshot uses to ensure stale and deleted data is removed within a very short window. Additonally, identity and account-level events can trigger rapid cleanup of data for deactivated and deleted accounts. _(some of this is still a work in progress)_ 37 + 38 + 39 + ## Low-trust 40 + 41 + The "AT" in ATProtocol [stands for _Authenticated Transfer_](https://atproto.com/guides/glossary#at-protocol): all data is cryptographically signed, which makes it possible to broadcast data through third parties and trust that it's real _without_ having to directly contact the originating server. 42 + 43 + Two core standard query APIs are supported to balance convenience and trust. They both fetch [records](https://atproto.com/guides/glossary#record): 44 + 45 + ### [`com.atproto.repo.getRecord`](#tag/comatproto-queries/get/xrpc/com.atproto.repo.getRecord) 46 + 47 + - convenient `JSON` response format 48 + - cannot be proven authentic 49 + 50 + ### [`com.atproto.sync.getRecord`](#tag/comatproto-queries/get/xrpc/com.atproto.sync.getRecord) 51 + 52 + - [`DAG-CBOR`](https://atproto.com/specs/data-model)-encoded response requires extra libraries to decode, but 53 + - includes a cryptographic proof of authenticity! 54 + 55 + _(work on this endpoint is in progress)_ 56 + 57 + 58 + ## Service proxying 59 + 60 + Clients can proxy atproto queries through their own PDS with [Service Proxying](https://atproto.com/specs/xrpc#service-proxying), and this is supported by Slingshot. The Slingshot instance must be started the `--domain` argument specified. 61 + 62 + Service-proxied requests can specify a Slingshot instance via the `atproto-proxy` header: 63 + 64 + ```http 65 + GET /xrpc/com.bad-example.identity.resolveMiniDoc?identifier=bad-example.com 66 + Host: <your pds> 67 + atproto-proxy: did:web:<slingshot domain>#slingshot 68 + ``` 69 + 70 + Where `<your pds>` is the user's own PDS host, and `<slingshot domain>` is the domain that the slingshot instance is deployed at (eg. `slingshot.microcosm.blue`). See the [Service Proxying](https://atproto.com/specs/xrpc#service-proxying) docs for more. 71 + 72 + > [!tip] 73 + > Service proxying is supported but completely optional. All APIs are directly accessible over the public internet, and GeoDNS helps route users to the closest instance to them for the lowest possible latency. (_note: deploying multiple slingshot instances with GeoDNS is still TODO_) 74 + 75 + 76 + ## Ergonomic APIs 77 + 78 + - Slingshot also offers variants of the `getRecord` endpoints that accept a full `at-uri` as a parameter, to save clients from needing to parse and validate all parts of a record location. 79 + 80 + - Bi-directionally verifying identity endpoints, so you can directly exchange atproto [`handle`](https://atproto.com/guides/glossary#handle)s for [`DID`](https://atproto.com/guides/glossary#did-decentralized-id)s without extra steps, plus a convenient [Mini-Doc](#tag/slingshot-specific-queries/get/xrpc/com.bad-example.identity.resolveMiniDoc) verified identity summary. 81 + 82 + 83 + ## Part of microcosm 84 + 85 + [Microcosm](https://www.microcosm.blue/) is a collection of services and independent community-run infrastructure for ATProtocol. 86 + 87 + Slingshot excels when combined with _shallow indexing_ services, which offer fast queries of global data relationships but with only references to the data records. Microcosm has a few! 88 + 89 + - [🌌 Constellation](https://constellation.microcosm.blue/), a global backlink index (all social interactions in atproto are links!) 90 + - [🎇 Spacedust](https://spacedust.microcosm.blue/), a firehose of all social interactions 91 + 92 + > [!success] 93 + > All microcosm projects are [open source](https://tangled.sh/@bad-example.com/microcosm-links). **You can help sustain Slingshot** and all of microcosm by becoming a [Github sponsor](https://github.com/sponsors/uniphil/) or a [Ko-fi supporter](https://ko-fi.com/bad_example)!
+7
slingshot/readme.md
··· 1 + # slingshot: atproto record edge cache 2 + 3 + local dev running: 4 + 5 + ```bash 6 + RUST_LOG=info,slingshot=trace ulimit -n 4096 && RUST_LOG=info cargo run -- --jetstream us-east-1 --cache-dir ./foyer 7 + ```
+80
slingshot/src/consumer.rs
··· 1 + use crate::CachedRecord; 2 + use crate::error::ConsumerError; 3 + use foyer::HybridCache; 4 + use jetstream::{ 5 + DefaultJetstreamEndpoints, JetstreamCompression, JetstreamConfig, JetstreamConnector, 6 + events::{CommitOp, Cursor, EventKind}, 7 + }; 8 + use tokio_util::sync::CancellationToken; 9 + 10 + pub async fn consume( 11 + jetstream_endpoint: String, 12 + cursor: Option<Cursor>, 13 + no_zstd: bool, 14 + shutdown: CancellationToken, 15 + cache: HybridCache<String, CachedRecord>, 16 + ) -> Result<(), ConsumerError> { 17 + let endpoint = DefaultJetstreamEndpoints::endpoint_or_shortcut(&jetstream_endpoint); 18 + if endpoint == jetstream_endpoint { 19 + log::info!("consumer: connecting jetstream at {endpoint}"); 20 + } else { 21 + log::info!("consumer: connecting jetstream at {jetstream_endpoint} => {endpoint}"); 22 + } 23 + let config: JetstreamConfig = JetstreamConfig { 24 + endpoint, 25 + compression: if no_zstd { 26 + JetstreamCompression::None 27 + } else { 28 + JetstreamCompression::Zstd 29 + }, 30 + replay_on_reconnect: true, 31 + channel_size: 1024, // buffer up to ~1s of jetstream events 32 + ..Default::default() 33 + }; 34 + let mut receiver = JetstreamConnector::new(config)? 35 + .connect_cursor(cursor) 36 + .await?; 37 + 38 + log::info!("consumer: receiving messages.."); 39 + loop { 40 + if shutdown.is_cancelled() { 41 + log::info!("consumer: exiting for shutdown"); 42 + return Ok(()); 43 + } 44 + let Some(mut event) = receiver.recv().await else { 45 + log::error!("consumer: could not receive event, bailing"); 46 + break; 47 + }; 48 + 49 + if event.kind != EventKind::Commit { 50 + continue; 51 + } 52 + let Some(ref mut commit) = event.commit else { 53 + log::warn!("consumer: commit event missing commit data, ignoring"); 54 + continue; 55 + }; 56 + 57 + // TODO: something a bit more robust 58 + let at_uri = format!( 59 + "at://{}/{}/{}", 60 + &*event.did, &*commit.collection, &*commit.rkey 61 + ); 62 + 63 + if commit.operation == CommitOp::Delete { 64 + cache.insert(at_uri, CachedRecord::Deleted); 65 + } else { 66 + let Some(record) = commit.record.take() else { 67 + log::warn!("consumer: commit insert or update missing record, ignoring"); 68 + continue; 69 + }; 70 + let Some(cid) = commit.cid.take() else { 71 + log::warn!("consumer: commit insert or update missing CID, ignoring"); 72 + continue; 73 + }; 74 + 75 + cache.insert(at_uri, CachedRecord::Found((cid, record).into())); 76 + } 77 + } 78 + 79 + Err(ConsumerError::JetstreamEnded) 80 + }
+93
slingshot/src/error.rs
··· 1 + use crate::ErrorResponseObject; 2 + use thiserror::Error; 3 + 4 + #[derive(Debug, Error)] 5 + pub enum ConsumerError { 6 + #[error(transparent)] 7 + JetstreamConnectionError(#[from] jetstream::error::ConnectionError), 8 + #[error(transparent)] 9 + JetstreamConfigValidationError(#[from] jetstream::error::ConfigValidationError), 10 + #[error("jetstream ended")] 11 + JetstreamEnded, 12 + #[error("delay queue output dropped")] 13 + DelayQueueOutputDropped, 14 + } 15 + 16 + #[derive(Debug, Error)] 17 + pub enum ServerError { 18 + #[error("server build error: {0}")] 19 + AcmeBuildError(std::io::Error), 20 + #[error("server exited: {0}")] 21 + ServerExited(std::io::Error), 22 + } 23 + 24 + #[derive(Debug, Error)] 25 + pub enum IdentityError { 26 + #[error("whatever: {0}")] 27 + WhateverError(String), 28 + #[error("bad DID: {0}")] 29 + BadDid(&'static str), 30 + #[error("identity types got mixed up: {0}")] 31 + IdentityValTypeMixup(String), 32 + #[error("foyer error: {0}")] 33 + FoyerError(#[from] foyer::Error), 34 + 35 + #[error("failed to resolve: {0}")] 36 + ResolutionFailed(#[from] atrium_identity::Error), 37 + // #[error("identity resolved but no handle found for user")] 38 + // NoHandle, 39 + #[error("found handle {0:?} but it appears invalid: {1}")] 40 + InvalidHandle(String, &'static str), 41 + 42 + #[error("could not convert atrium did doc to partial mini doc: {0}")] 43 + BadDidDoc(String), 44 + 45 + #[error("wrong key for clearing refresh queue: {0}")] 46 + RefreshQueueKeyError(&'static str), 47 + } 48 + 49 + #[derive(Debug, Error)] 50 + pub enum HealthCheckError { 51 + #[error("failed to send checkin: {0}")] 52 + HealthCheckError(#[from] reqwest::Error), 53 + } 54 + 55 + #[derive(Debug, Error)] 56 + pub enum MainTaskError { 57 + #[error(transparent)] 58 + ConsumerTaskError(#[from] ConsumerError), 59 + #[error(transparent)] 60 + ServerTaskError(#[from] ServerError), 61 + #[error(transparent)] 62 + IdentityTaskError(#[from] IdentityError), 63 + #[error(transparent)] 64 + HealthCheckError(#[from] HealthCheckError), 65 + #[error("firehose cache failed to close: {0}")] 66 + FirehoseCacheCloseError(foyer::Error), 67 + } 68 + 69 + #[derive(Debug, Error)] 70 + pub enum RecordError { 71 + #[error("identity error: {0}")] 72 + IdentityError(#[from] IdentityError), 73 + #[error("repo could not be validated as either a DID or an atproto handle")] 74 + BadRepo, 75 + #[error("could not get record: {0}")] 76 + NotFound(&'static str), 77 + #[error("could nto parse pds url: {0}")] 78 + UrlParseError(#[from] url::ParseError), 79 + #[error("reqwest send failed: {0}")] 80 + SendError(reqwest::Error), 81 + #[error("reqwest raised for status: {0}")] 82 + StatusError(reqwest::Error), 83 + #[error("reqwest failed to parse json: {0}")] 84 + ParseJsonError(reqwest::Error), 85 + #[error("upstream getRecord did not include a CID")] 86 + MissingUpstreamCid, 87 + #[error("upstream CID was not valid: {0}")] 88 + BadUpstreamCid(String), 89 + #[error("upstream atproto-looking bad request")] 90 + UpstreamBadRequest(ErrorResponseObject), 91 + #[error("upstream non-atproto bad request")] 92 + UpstreamBadBadNotGoodRequest(reqwest::Error), 93 + }
+22
slingshot/src/firehose_cache.rs
··· 1 + use crate::CachedRecord; 2 + use foyer::{DirectFsDeviceOptions, Engine, HybridCache, HybridCacheBuilder}; 3 + use std::path::Path; 4 + 5 + pub async fn firehose_cache( 6 + cache_dir: impl AsRef<Path>, 7 + ) -> Result<HybridCache<String, CachedRecord>, String> { 8 + let cache = HybridCacheBuilder::new() 9 + .with_name("firehose") 10 + .memory(64 * 2_usize.pow(20)) 11 + .with_weighter(|k: &String, v| k.len() + std::mem::size_of_val(v)) 12 + .storage(Engine::large()) 13 + .with_device_options( 14 + DirectFsDeviceOptions::new(cache_dir) 15 + .with_capacity(2_usize.pow(30)) // TODO: configurable (1GB to have something) 16 + .with_file_size(16 * 2_usize.pow(20)), // note: this does limit the max cached item size, warning jumbo records 17 + ) 18 + .build() 19 + .await 20 + .map_err(|e| format!("foyer setup error: {e:?}"))?; 21 + Ok(cache) 22 + }
+32
slingshot/src/healthcheck.rs
··· 1 + use crate::error::HealthCheckError; 2 + use reqwest::Client; 3 + use std::time::Duration; 4 + use tokio::time::sleep; 5 + use tokio_util::sync::CancellationToken; 6 + 7 + pub async fn healthcheck( 8 + endpoint: String, 9 + shutdown: CancellationToken, 10 + ) -> Result<(), HealthCheckError> { 11 + let client = Client::builder() 12 + .user_agent(format!( 13 + "microcosm slingshot v{} (dev: @bad-example.com)", 14 + env!("CARGO_PKG_VERSION") 15 + )) 16 + .no_proxy() 17 + .timeout(Duration::from_secs(10)) 18 + .build()?; 19 + 20 + loop { 21 + tokio::select! { 22 + res = client.get(&endpoint).send() => { 23 + let _ = res 24 + .and_then(|r| r.error_for_status()) 25 + .inspect_err(|e| log::error!("failed to send healthcheck: {e}")); 26 + }, 27 + _ = shutdown.cancelled() => break, 28 + } 29 + sleep(Duration::from_secs(51)).await; 30 + } 31 + Ok(()) 32 + }
+525
slingshot/src/identity.rs
··· 1 + use hickory_resolver::{ResolveError, TokioResolver}; 2 + use std::collections::{HashSet, VecDeque}; 3 + use std::path::Path; 4 + use std::sync::Arc; 5 + /// for now we're gonna just keep doing more cache 6 + /// 7 + /// plc.director x foyer, ttl kept with data, refresh deferred to background on fetch 8 + /// 9 + /// things we need: 10 + /// 11 + /// 1. handle -> DID resolution: getRecord must accept a handle for `repo` param 12 + /// 2. DID -> PDS resolution: so we know where to getRecord 13 + /// 3. DID -> handle resolution: for bidirectional handle validation and in case we want to offer this 14 + use std::time::Duration; 15 + use tokio::sync::Mutex; 16 + use tokio_util::sync::CancellationToken; 17 + 18 + use crate::error::IdentityError; 19 + use atrium_api::{ 20 + did_doc::DidDocument, 21 + types::string::{Did, Handle}, 22 + }; 23 + use atrium_common::resolver::Resolver; 24 + use atrium_identity::{ 25 + did::{CommonDidResolver, CommonDidResolverConfig, DEFAULT_PLC_DIRECTORY_URL}, 26 + handle::{AtprotoHandleResolver, AtprotoHandleResolverConfig, DnsTxtResolver}, 27 + }; 28 + use atrium_oauth::DefaultHttpClient; // it's probably not worth bringing all of atrium_oauth for this but 29 + use foyer::{DirectFsDeviceOptions, Engine, HybridCache, HybridCacheBuilder}; 30 + use serde::{Deserialize, Serialize}; 31 + use time::UtcDateTime; 32 + 33 + /// once we have something resolved, don't re-resolve until after this period 34 + const MIN_TTL: Duration = Duration::from_secs(4 * 3600); // probably shoudl have a max ttl 35 + const MIN_NOT_FOUND_TTL: Duration = Duration::from_secs(60); 36 + 37 + #[derive(Debug, Clone, Hash, PartialEq, Eq, Serialize, Deserialize)] 38 + enum IdentityKey { 39 + Handle(Handle), 40 + Did(Did), 41 + } 42 + 43 + #[derive(Debug, Serialize, Deserialize)] 44 + struct IdentityVal(UtcDateTime, IdentityData); 45 + 46 + #[derive(Debug, Serialize, Deserialize)] 47 + enum IdentityData { 48 + NotFound, 49 + Did(Did), 50 + Doc(PartialMiniDoc), 51 + } 52 + 53 + /// partial representation of a com.bad-example.identity mini atproto doc 54 + /// 55 + /// partial because the handle is not verified 56 + #[derive(Debug, Clone, Serialize, Deserialize)] 57 + pub struct PartialMiniDoc { 58 + /// an atproto handle (**unverified**) 59 + /// 60 + /// the first valid atproto handle from the did doc's aka 61 + pub unverified_handle: Handle, 62 + /// the did's atproto pds url (TODO: type this?) 63 + /// 64 + /// note: atrium *does* actually parse it into a URI, it just doesn't return 65 + /// that for some reason 66 + pub pds: String, 67 + /// for now we're just pulling this straight from the did doc 68 + /// 69 + /// would be nice to type and validate it 70 + /// 71 + /// this is the publicKeyMultibase from the did doc. 72 + /// legacy key encoding not supported. 73 + /// `id`, `type`, and `controller` must be checked, but aren't stored. 74 + pub signing_key: String, 75 + } 76 + 77 + impl TryFrom<DidDocument> for PartialMiniDoc { 78 + type Error = String; 79 + fn try_from(did_doc: DidDocument) -> Result<Self, Self::Error> { 80 + // must use the first valid handle 81 + let mut unverified_handle = None; 82 + let Some(ref doc_akas) = did_doc.also_known_as else { 83 + return Err("did doc missing `also_known_as`".to_string()); 84 + }; 85 + for aka in doc_akas { 86 + let Some(maybe_handle) = aka.strip_prefix("at://") else { 87 + continue; 88 + }; 89 + let Ok(valid_handle) = Handle::new(maybe_handle.to_string()) else { 90 + continue; 91 + }; 92 + unverified_handle = Some(valid_handle); 93 + break; 94 + } 95 + let Some(unverified_handle) = unverified_handle else { 96 + return Err("no valid atproto handles in `also_known_as`".to_string()); 97 + }; 98 + 99 + // atrium seems to get service endpoint getters 100 + let Some(pds) = did_doc.get_pds_endpoint() else { 101 + return Err("no valid pds service found".to_string()); 102 + }; 103 + 104 + // TODO can't use atrium's get_signing_key() becuase it fails to check type and controller 105 + // so if we check those and reject it, we might miss a later valid key in the array 106 + // (todo is to fix atrium) 107 + // actually: atrium might be flexible for legacy reps. for now we're rejecting legacy rep. 108 + 109 + // must use the first valid signing key 110 + let mut signing_key = None; 111 + let Some(verification_methods) = did_doc.verification_method else { 112 + return Err("no verification methods found".to_string()); 113 + }; 114 + for method in verification_methods { 115 + if method.id != format!("{}#atproto", did_doc.id) { 116 + continue; 117 + } 118 + if method.r#type != "Multikey" { 119 + continue; 120 + } 121 + if method.controller != did_doc.id { 122 + continue; 123 + } 124 + let Some(key) = method.public_key_multibase else { 125 + continue; 126 + }; 127 + signing_key = Some(key); 128 + break; 129 + } 130 + let Some(signing_key) = signing_key else { 131 + return Err("no valid atproto signing key found in verification methods".to_string()); 132 + }; 133 + 134 + Ok(PartialMiniDoc { 135 + unverified_handle, 136 + pds, 137 + signing_key, 138 + }) 139 + } 140 + } 141 + 142 + /// multi-producer *single-consumer* queue structures (wrap in arc-mutex plz) 143 + /// 144 + /// the hashset allows testing for presense of items in the queue. 145 + /// this has absolutely no support for multiple queue consumers. 146 + #[derive(Debug, Default)] 147 + struct RefreshQueue { 148 + queue: VecDeque<IdentityKey>, 149 + items: HashSet<IdentityKey>, 150 + } 151 + 152 + #[derive(Clone)] 153 + pub struct Identity { 154 + handle_resolver: Arc<AtprotoHandleResolver<HickoryDnsTxtResolver, DefaultHttpClient>>, 155 + did_resolver: Arc<CommonDidResolver<DefaultHttpClient>>, 156 + cache: HybridCache<IdentityKey, IdentityVal>, 157 + /// multi-producer *single consumer* queue 158 + refresh_queue: Arc<Mutex<RefreshQueue>>, 159 + /// just a lock to ensure only one refresher (queue consumer) is running (to be improved with a better refresher) 160 + refresher: Arc<Mutex<()>>, 161 + } 162 + 163 + impl Identity { 164 + pub async fn new(cache_dir: impl AsRef<Path>) -> Result<Self, IdentityError> { 165 + let http_client = Arc::new(DefaultHttpClient::default()); 166 + let handle_resolver = AtprotoHandleResolver::new(AtprotoHandleResolverConfig { 167 + dns_txt_resolver: HickoryDnsTxtResolver::new().unwrap(), 168 + http_client: http_client.clone(), 169 + }); 170 + let did_resolver = CommonDidResolver::new(CommonDidResolverConfig { 171 + plc_directory_url: DEFAULT_PLC_DIRECTORY_URL.to_string(), 172 + http_client: http_client.clone(), 173 + }); 174 + 175 + let cache = HybridCacheBuilder::new() 176 + .with_name("identity") 177 + .memory(16 * 2_usize.pow(20)) 178 + .with_weighter(|k, v| std::mem::size_of_val(k) + std::mem::size_of_val(v)) 179 + .storage(Engine::small()) 180 + .with_device_options( 181 + DirectFsDeviceOptions::new(cache_dir) 182 + .with_capacity(2_usize.pow(30)) // TODO: configurable (1GB to have something) 183 + .with_file_size(2_usize.pow(20)), // note: this does limit the max cached item size, warning jumbo records 184 + ) 185 + .build() 186 + .await?; 187 + 188 + Ok(Self { 189 + handle_resolver: Arc::new(handle_resolver), 190 + did_resolver: Arc::new(did_resolver), 191 + cache, 192 + refresh_queue: Default::default(), 193 + refresher: Default::default(), 194 + }) 195 + } 196 + 197 + /// Resolve (and verify!) an atproto handle to a DID 198 + /// 199 + /// The result can be stale 200 + /// 201 + /// `None` if the handle can't be found or verification fails 202 + pub async fn handle_to_did(&self, handle: Handle) -> Result<Option<Did>, IdentityError> { 203 + let Some(did) = self.handle_to_unverified_did(&handle).await? else { 204 + return Ok(None); 205 + }; 206 + let Some(doc) = self.did_to_partial_mini_doc(&did).await? else { 207 + return Ok(None); 208 + }; 209 + if doc.unverified_handle != handle { 210 + return Ok(None); 211 + } 212 + Ok(Some(did)) 213 + } 214 + 215 + /// Resolve a DID to a pds url 216 + /// 217 + /// This *also* incidentally resolves and verifies the handle, which might 218 + /// make it slower than expected 219 + pub async fn did_to_pds(&self, did: Did) -> Result<Option<String>, IdentityError> { 220 + let Some(mini_doc) = self.did_to_partial_mini_doc(&did).await? else { 221 + return Ok(None); 222 + }; 223 + Ok(Some(mini_doc.pds)) 224 + } 225 + 226 + /// Resolve (and cache but **not verify**) a handle to a DID 227 + async fn handle_to_unverified_did( 228 + &self, 229 + handle: &Handle, 230 + ) -> Result<Option<Did>, IdentityError> { 231 + let key = IdentityKey::Handle(handle.clone()); 232 + let entry = self 233 + .cache 234 + .fetch(key.clone(), { 235 + let handle = handle.clone(); 236 + let resolver = self.handle_resolver.clone(); 237 + || async move { 238 + match resolver.resolve(&handle).await { 239 + Ok(did) => Ok(IdentityVal(UtcDateTime::now(), IdentityData::Did(did))), 240 + Err(atrium_identity::Error::NotFound) => { 241 + Ok(IdentityVal(UtcDateTime::now(), IdentityData::NotFound)) 242 + } 243 + Err(other) => Err(foyer::Error::Other(Box::new({ 244 + log::debug!("other error resolving handle: {other:?}"); 245 + IdentityError::ResolutionFailed(other) 246 + }))), 247 + } 248 + } 249 + }) 250 + .await?; 251 + 252 + let now = UtcDateTime::now(); 253 + let IdentityVal(last_fetch, data) = entry.value(); 254 + match data { 255 + IdentityData::Doc(_) => { 256 + log::error!("identity value mixup: got a doc from a handle key (should be a did)"); 257 + Err(IdentityError::IdentityValTypeMixup(handle.to_string())) 258 + } 259 + IdentityData::NotFound => { 260 + if (now - *last_fetch) >= MIN_NOT_FOUND_TTL { 261 + self.queue_refresh(key).await; 262 + } 263 + Ok(None) 264 + } 265 + IdentityData::Did(did) => { 266 + if (now - *last_fetch) >= MIN_TTL { 267 + self.queue_refresh(key).await; 268 + } 269 + Ok(Some(did.clone())) 270 + } 271 + } 272 + } 273 + 274 + /// Fetch (and cache) a partial mini doc from a did 275 + pub async fn did_to_partial_mini_doc( 276 + &self, 277 + did: &Did, 278 + ) -> Result<Option<PartialMiniDoc>, IdentityError> { 279 + let key = IdentityKey::Did(did.clone()); 280 + let entry = self 281 + .cache 282 + .fetch(key.clone(), { 283 + let did = did.clone(); 284 + let resolver = self.did_resolver.clone(); 285 + || async move { 286 + match resolver.resolve(&did).await { 287 + Ok(did_doc) => { 288 + // TODO: fix in atrium: should verify id is did 289 + if did_doc.id != did.to_string() { 290 + return Err(foyer::Error::other(Box::new( 291 + IdentityError::BadDidDoc( 292 + "did doc's id did not match did".to_string(), 293 + ), 294 + ))); 295 + } 296 + let mini_doc = did_doc.try_into().map_err(|e| { 297 + foyer::Error::Other(Box::new(IdentityError::BadDidDoc(e))) 298 + })?; 299 + Ok(IdentityVal(UtcDateTime::now(), IdentityData::Doc(mini_doc))) 300 + } 301 + Err(atrium_identity::Error::NotFound) => { 302 + Ok(IdentityVal(UtcDateTime::now(), IdentityData::NotFound)) 303 + } 304 + Err(other) => Err(foyer::Error::Other(Box::new( 305 + IdentityError::ResolutionFailed(other), 306 + ))), 307 + } 308 + } 309 + }) 310 + .await?; 311 + 312 + let now = UtcDateTime::now(); 313 + let IdentityVal(last_fetch, data) = entry.value(); 314 + match data { 315 + IdentityData::Did(_) => { 316 + log::error!("identity value mixup: got a did from a did key (should be a doc)"); 317 + Err(IdentityError::IdentityValTypeMixup(did.to_string())) 318 + } 319 + IdentityData::NotFound => { 320 + if (now - *last_fetch) >= MIN_NOT_FOUND_TTL { 321 + self.queue_refresh(key).await; 322 + } 323 + Ok(None) 324 + } 325 + IdentityData::Doc(mini_did) => { 326 + if (now - *last_fetch) >= MIN_TTL { 327 + self.queue_refresh(key).await; 328 + } 329 + Ok(Some(mini_did.clone())) 330 + } 331 + } 332 + } 333 + 334 + /// put a refresh task on the queue 335 + /// 336 + /// this can be safely called from multiple concurrent tasks 337 + async fn queue_refresh(&self, key: IdentityKey) { 338 + // todo: max queue size 339 + let mut q = self.refresh_queue.lock().await; 340 + if !q.items.contains(&key) { 341 + q.items.insert(key.clone()); 342 + q.queue.push_back(key); 343 + } 344 + } 345 + 346 + /// find out what's next in the queue. concurrent consumers are not allowed. 347 + /// 348 + /// intent is to leave the item in the queue while refreshing, so that a 349 + /// producer will not re-add it if it's in progress. there's definitely 350 + /// better ways to do this, but this is ~simple for as far as a single 351 + /// consumer can take us. 352 + /// 353 + /// we could take it from the queue but leave it in the set and remove from 354 + /// set later, but splitting them apart feels more bug-prone. 355 + async fn peek_refresh(&self) -> Option<IdentityKey> { 356 + let q = self.refresh_queue.lock().await; 357 + q.queue.front().cloned() 358 + } 359 + 360 + /// call to clear the latest key from the refresh queue. concurrent consumers not allowed. 361 + /// 362 + /// must provide the last peeked refresh queue item as a small safety check 363 + async fn complete_refresh(&self, key: &IdentityKey) -> Result<(), IdentityError> { 364 + let mut q = self.refresh_queue.lock().await; 365 + 366 + let Some(queue_key) = q.queue.pop_front() else { 367 + // gone from queue + since we're in an error condition, make sure it's not stuck in items 368 + // (not toctou because we have the lock) 369 + // bolder here than below and removing from items because if the queue is *empty*, then we 370 + // know it hasn't been re-added since losing sync. 371 + if q.items.remove(key) { 372 + log::error!("identity refresh: queue de-sync: not in "); 373 + } else { 374 + log::warn!( 375 + "identity refresh: tried to complete with wrong key. are multiple queue consumers running?" 376 + ); 377 + } 378 + return Err(IdentityError::RefreshQueueKeyError("no key in queue")); 379 + }; 380 + 381 + if queue_key != *key { 382 + // extra weird case here, what's the most defensive behaviour? 383 + // we have two keys: ours should have been first but isn't. this shouldn't happen, so let's 384 + // just leave items alone for it. risks unbounded growth but we're in a bad place already. 385 + // the other key is the one we just popped. we didn't want it, so maybe we should put it 386 + // back, BUT if we somehow ended up with concurrent consumers, we have bigger problems. take 387 + // responsibility for taking it instead: remove it from items as well, and just drop it. 388 + // 389 + // hope that whoever calls us takes this error seriously. 390 + if q.items.remove(&queue_key) { 391 + log::warn!( 392 + "identity refresh: queue de-sync + dropping a bystander key without refreshing it!" 393 + ); 394 + } else { 395 + // you thought things couldn't get weirder? (i mean hopefully they can't) 396 + log::error!("identity refresh: queue de-sync + bystander key also de-sync!?"); 397 + } 398 + return Err(IdentityError::RefreshQueueKeyError( 399 + "wrong key at front of queue", 400 + )); 401 + } 402 + 403 + if q.items.remove(key) { 404 + Ok(()) 405 + } else { 406 + log::error!("identity refresh: queue de-sync: key not in items"); 407 + Err(IdentityError::RefreshQueueKeyError("key not in items")) 408 + } 409 + } 410 + 411 + /// run the refresh queue consumer 412 + pub async fn run_refresher(&self, shutdown: CancellationToken) -> Result<(), IdentityError> { 413 + let _guard = self 414 + .refresher 415 + .try_lock() 416 + .expect("there to only be one refresher running"); 417 + loop { 418 + if shutdown.is_cancelled() { 419 + log::info!("identity refresher: exiting for shutdown: closing cache..."); 420 + if let Err(e) = self.cache.close().await { 421 + log::error!("cache close errored: {e}"); 422 + } else { 423 + log::info!("identity cache closed.") 424 + } 425 + return Ok(()); 426 + } 427 + let Some(task_key) = self.peek_refresh().await else { 428 + tokio::time::sleep(tokio::time::Duration::from_millis(100)).await; 429 + continue; 430 + }; 431 + match task_key { 432 + IdentityKey::Handle(ref handle) => { 433 + log::trace!("refreshing handle {handle:?}"); 434 + match self.handle_resolver.resolve(handle).await { 435 + Ok(did) => { 436 + self.cache.insert( 437 + task_key.clone(), 438 + IdentityVal(UtcDateTime::now(), IdentityData::Did(did)), 439 + ); 440 + } 441 + Err(atrium_identity::Error::NotFound) => { 442 + self.cache.insert( 443 + task_key.clone(), 444 + IdentityVal(UtcDateTime::now(), IdentityData::NotFound), 445 + ); 446 + } 447 + Err(err) => { 448 + log::warn!( 449 + "failed to refresh handle: {err:?}. leaving stale (should we eventually do something?)" 450 + ); 451 + } 452 + } 453 + self.complete_refresh(&task_key).await?; // failures are bugs, so break loop 454 + } 455 + IdentityKey::Did(ref did) => { 456 + log::trace!("refreshing did doc: {did:?}"); 457 + 458 + match self.did_resolver.resolve(did).await { 459 + Ok(did_doc) => { 460 + // TODO: fix in atrium: should verify id is did 461 + if did_doc.id != did.to_string() { 462 + log::warn!( 463 + "refreshed did doc failed: wrong did doc id. dropping refresh." 464 + ); 465 + continue; 466 + } 467 + let mini_doc = match did_doc.try_into() { 468 + Ok(md) => md, 469 + Err(e) => { 470 + log::warn!( 471 + "converting mini doc failed: {e:?}. dropping refresh." 472 + ); 473 + continue; 474 + } 475 + }; 476 + self.cache.insert( 477 + task_key.clone(), 478 + IdentityVal(UtcDateTime::now(), IdentityData::Doc(mini_doc)), 479 + ); 480 + } 481 + Err(atrium_identity::Error::NotFound) => { 482 + self.cache.insert( 483 + task_key.clone(), 484 + IdentityVal(UtcDateTime::now(), IdentityData::NotFound), 485 + ); 486 + } 487 + Err(err) => { 488 + log::warn!( 489 + "failed to refresh did doc: {err:?}. leaving stale (should we eventually do something?)" 490 + ); 491 + } 492 + } 493 + 494 + self.complete_refresh(&task_key).await?; // failures are bugs, so break loop 495 + } 496 + } 497 + } 498 + } 499 + } 500 + 501 + pub struct HickoryDnsTxtResolver(TokioResolver); 502 + 503 + impl HickoryDnsTxtResolver { 504 + fn new() -> Result<Self, ResolveError> { 505 + Ok(Self(TokioResolver::builder_tokio()?.build())) 506 + } 507 + } 508 + 509 + impl DnsTxtResolver for HickoryDnsTxtResolver { 510 + async fn resolve( 511 + &self, 512 + query: &str, 513 + ) -> core::result::Result<Vec<String>, Box<dyn std::error::Error + Send + Sync>> { 514 + match self.0.txt_lookup(query).await { 515 + Ok(r) => { 516 + metrics::counter!("whoami_resolve_dns_txt", "success" => "true").increment(1); 517 + Ok(r.iter().map(|r| r.to_string()).collect()) 518 + } 519 + Err(e) => { 520 + metrics::counter!("whoami_resolve_dns_txt", "success" => "false").increment(1); 521 + Err(e.into()) 522 + } 523 + } 524 + } 525 + }
+14
slingshot/src/lib.rs
··· 1 + mod consumer; 2 + pub mod error; 3 + mod firehose_cache; 4 + mod healthcheck; 5 + mod identity; 6 + mod record; 7 + mod server; 8 + 9 + pub use consumer::consume; 10 + pub use firehose_cache::firehose_cache; 11 + pub use healthcheck::healthcheck; 12 + pub use identity::Identity; 13 + pub use record::{CachedRecord, ErrorResponseObject, Repo}; 14 + pub use server::serve;
+194
slingshot/src/main.rs
··· 1 + // use foyer::HybridCache; 2 + // use foyer::{Engine, DirectFsDeviceOptions, HybridCacheBuilder}; 3 + use metrics_exporter_prometheus::PrometheusBuilder; 4 + use slingshot::{ 5 + Identity, Repo, consume, error::MainTaskError, firehose_cache, healthcheck, serve, 6 + }; 7 + use std::path::PathBuf; 8 + 9 + use clap::Parser; 10 + use tokio_util::sync::CancellationToken; 11 + 12 + /// Slingshot record edge cache 13 + #[derive(Parser, Debug, Clone)] 14 + #[command(version, about, long_about = None)] 15 + struct Args { 16 + /// Jetstream server to connect to (exclusive with --fixture). Provide either a wss:// URL, or a shorhand value: 17 + /// 'us-east-1', 'us-east-2', 'us-west-1', or 'us-west-2' 18 + #[arg(long)] 19 + jetstream: String, 20 + /// don't request zstd-compressed jetstream events 21 + /// 22 + /// reduces CPU at the expense of more ingress bandwidth 23 + #[arg(long, action)] 24 + jetstream_no_zstd: bool, 25 + /// where to keep disk caches 26 + #[arg(long)] 27 + cache_dir: PathBuf, 28 + /// the domain pointing to this server 29 + /// 30 + /// if present: 31 + /// - a did:web document will be served at /.well-known/did.json 32 + /// - an HTTPS certs will be automatically configured with Acme/letsencrypt 33 + /// - TODO: a rate-limiter will be installed 34 + #[arg(long)] 35 + domain: Option<String>, 36 + /// email address for letsencrypt contact 37 + /// 38 + /// recommended in production, i guess? 39 + #[arg(long)] 40 + acme_contact: Option<String>, 41 + /// a location to cache acme https certs 42 + /// 43 + /// only used if --host is specified. omitting requires re-requesting certs 44 + /// on every restart, and letsencrypt has rate limits that are easy to hit. 45 + /// 46 + /// recommended in production, but mind the file permissions. 47 + #[arg(long)] 48 + certs: Option<PathBuf>, 49 + /// an web address to send healtcheck pings to every ~51s or so 50 + #[arg(long)] 51 + healthcheck: Option<String>, 52 + } 53 + 54 + #[tokio::main] 55 + async fn main() -> Result<(), String> { 56 + tracing_subscriber::fmt::init(); 57 + 58 + let shutdown = CancellationToken::new(); 59 + 60 + let ctrlc_shutdown = shutdown.clone(); 61 + ctrlc::set_handler(move || ctrlc_shutdown.cancel()).expect("failed to set ctrl-c handler"); 62 + 63 + let args = Args::parse(); 64 + 65 + if let Err(e) = install_metrics_server() { 66 + log::error!("failed to install metrics server: {e:?}"); 67 + } else { 68 + log::info!("metrics listening at http://0.0.0.0:8765"); 69 + } 70 + 71 + std::fs::create_dir_all(&args.cache_dir).map_err(|e| { 72 + format!( 73 + "failed to ensure cache parent dir: {e:?} (dir: {:?})", 74 + args.cache_dir 75 + ) 76 + })?; 77 + let cache_dir = args.cache_dir.canonicalize().map_err(|e| { 78 + format!( 79 + "failed to canonicalize cache_dir: {e:?} (dir: {:?})", 80 + args.cache_dir 81 + ) 82 + })?; 83 + log::info!("cache dir ready at at {cache_dir:?}."); 84 + 85 + log::info!("setting up firehose cache..."); 86 + let cache = firehose_cache(cache_dir.join("./firehose")).await?; 87 + log::info!("firehose cache ready."); 88 + 89 + let mut tasks: tokio::task::JoinSet<Result<(), MainTaskError>> = tokio::task::JoinSet::new(); 90 + 91 + log::info!("starting identity service..."); 92 + let identity = Identity::new(cache_dir.join("./identity")) 93 + .await 94 + .map_err(|e| format!("identity setup failed: {e:?}"))?; 95 + log::info!("identity service ready."); 96 + let identity_refresher = identity.clone(); 97 + let identity_shutdown = shutdown.clone(); 98 + tasks.spawn(async move { 99 + identity_refresher.run_refresher(identity_shutdown).await?; 100 + Ok(()) 101 + }); 102 + 103 + let repo = Repo::new(identity.clone()); 104 + 105 + let server_shutdown = shutdown.clone(); 106 + let server_cache_handle = cache.clone(); 107 + tasks.spawn(async move { 108 + serve( 109 + server_cache_handle, 110 + identity, 111 + repo, 112 + args.domain, 113 + args.acme_contact, 114 + args.certs, 115 + server_shutdown, 116 + ) 117 + .await?; 118 + Ok(()) 119 + }); 120 + 121 + let consumer_shutdown = shutdown.clone(); 122 + let consumer_cache = cache.clone(); 123 + tasks.spawn(async move { 124 + consume( 125 + args.jetstream, 126 + None, 127 + args.jetstream_no_zstd, 128 + consumer_shutdown, 129 + consumer_cache, 130 + ) 131 + .await?; 132 + Ok(()) 133 + }); 134 + 135 + if let Some(hc) = args.healthcheck { 136 + let healthcheck_shutdown = shutdown.clone(); 137 + tasks.spawn(async move { 138 + healthcheck(hc, healthcheck_shutdown).await?; 139 + Ok(()) 140 + }); 141 + } 142 + 143 + tokio::select! { 144 + _ = shutdown.cancelled() => log::warn!("shutdown requested"), 145 + Some(r) = tasks.join_next() => { 146 + log::warn!("a task exited, shutting down: {r:?}"); 147 + shutdown.cancel(); 148 + } 149 + } 150 + 151 + tasks.spawn(async move { 152 + cache 153 + .close() 154 + .await 155 + .map_err(MainTaskError::FirehoseCacheCloseError) 156 + }); 157 + 158 + tokio::select! { 159 + _ = async { 160 + while let Some(completed) = tasks.join_next().await { 161 + log::info!("shutdown: task completed: {completed:?}"); 162 + } 163 + } => {}, 164 + _ = tokio::time::sleep(std::time::Duration::from_secs(30)) => { 165 + log::info!("shutdown: not all tasks completed on time. aborting..."); 166 + tasks.shutdown().await; 167 + }, 168 + } 169 + 170 + log::info!("bye!"); 171 + 172 + Ok(()) 173 + } 174 + 175 + fn install_metrics_server() -> Result<(), metrics_exporter_prometheus::BuildError> { 176 + log::info!("installing metrics server..."); 177 + let host = [0, 0, 0, 0]; 178 + let port = 8765; 179 + PrometheusBuilder::new() 180 + .set_quantiles(&[0.5, 0.9, 0.99, 1.0])? 181 + .set_bucket_duration(std::time::Duration::from_secs(300))? 182 + .set_bucket_count(std::num::NonZero::new(12).unwrap()) // count * duration = 60 mins. stuff doesn't happen that fast here. 183 + .set_enable_unit_suffix(false) // this seemed buggy for constellation (sometimes wouldn't engage) 184 + .with_http_listener((host, port)) 185 + .install()?; 186 + log::info!( 187 + "metrics server installed! listening on http://{}.{}.{}.{}:{port}", 188 + host[0], 189 + host[1], 190 + host[2], 191 + host[3] 192 + ); 193 + Ok(()) 194 + }
+155
slingshot/src/record.rs
··· 1 + //! cached record storage 2 + 3 + use crate::{Identity, error::RecordError}; 4 + use atrium_api::types::string::{Cid, Did, Nsid, RecordKey}; 5 + use reqwest::{Client, StatusCode}; 6 + use serde::{Deserialize, Serialize}; 7 + use serde_json::value::RawValue; 8 + use std::str::FromStr; 9 + use std::time::Duration; 10 + use url::Url; 11 + 12 + #[derive(Debug, Serialize, Deserialize)] 13 + pub struct RawRecord { 14 + cid: Cid, 15 + record: String, 16 + } 17 + 18 + // TODO: should be able to do typed CID 19 + impl From<(Cid, Box<RawValue>)> for RawRecord { 20 + fn from((cid, rv): (Cid, Box<RawValue>)) -> Self { 21 + Self { 22 + cid, 23 + record: rv.get().to_string(), 24 + } 25 + } 26 + } 27 + 28 + /// only for use with stored (validated) values, not general strings 29 + impl From<&RawRecord> for (Cid, Box<RawValue>) { 30 + fn from(RawRecord { cid, record }: &RawRecord) -> Self { 31 + ( 32 + cid.clone(), 33 + RawValue::from_string(record.to_string()) 34 + .expect("stored string from RawValue to be valid"), 35 + ) 36 + } 37 + } 38 + 39 + #[derive(Debug, Serialize, Deserialize)] 40 + pub enum CachedRecord { 41 + Found(RawRecord), 42 + Deleted, 43 + } 44 + 45 + //////// upstream record fetching 46 + 47 + #[derive(Deserialize)] 48 + struct RecordResponseObject { 49 + #[allow(dead_code)] // expect it to be there but we ignore it 50 + uri: String, 51 + /// CID for this exact version of the record 52 + /// 53 + /// this is optional in the spec and that's potentially TODO for slingshot 54 + cid: Option<String>, 55 + /// the record itself as JSON 56 + value: Box<RawValue>, 57 + } 58 + 59 + #[derive(Debug, Deserialize)] 60 + pub struct ErrorResponseObject { 61 + pub error: String, 62 + pub message: String, 63 + } 64 + 65 + #[derive(Clone)] 66 + pub struct Repo { 67 + identity: Identity, 68 + client: Client, 69 + } 70 + 71 + impl Repo { 72 + pub fn new(identity: Identity) -> Self { 73 + let client = Client::builder() 74 + .user_agent(format!( 75 + "microcosm slingshot v{} (dev: @bad-example.com)", 76 + env!("CARGO_PKG_VERSION") 77 + )) 78 + .no_proxy() 79 + .timeout(Duration::from_secs(10)) 80 + .build() 81 + .unwrap(); 82 + Repo { identity, client } 83 + } 84 + 85 + pub async fn get_record( 86 + &self, 87 + did: &Did, 88 + collection: &Nsid, 89 + rkey: &RecordKey, 90 + cid: &Option<Cid>, 91 + ) -> Result<CachedRecord, RecordError> { 92 + let Some(pds) = self.identity.did_to_pds(did.clone()).await? else { 93 + return Err(RecordError::NotFound("could not get pds for DID")); 94 + }; 95 + 96 + // cid gets set to None for a retry, if it's Some and we got NotFound 97 + let mut cid = cid; 98 + 99 + let res = loop { 100 + // TODO: throttle outgoing requests by host probably, generally guard against outgoing requests 101 + let mut params = vec![ 102 + ("repo", did.to_string()), 103 + ("collection", collection.to_string()), 104 + ("rkey", rkey.to_string()), 105 + ]; 106 + if let Some(cid) = cid { 107 + params.push(("cid", cid.as_ref().to_string())); 108 + } 109 + let mut url = Url::parse_with_params(&pds, &params)?; 110 + url.set_path("/xrpc/com.atproto.repo.getRecord"); 111 + 112 + let res = self 113 + .client 114 + .get(url.clone()) 115 + .send() 116 + .await 117 + .map_err(RecordError::SendError)?; 118 + 119 + if res.status() == StatusCode::BAD_REQUEST { 120 + // 1. if we're not able to parse json, it's not something we can handle 121 + let err = res 122 + .json::<ErrorResponseObject>() 123 + .await 124 + .map_err(RecordError::UpstreamBadBadNotGoodRequest)?; 125 + // 2. if we are, is it a NotFound? and if so, did we try with a CID? 126 + // if so, retry with no CID (api handler will reject for mismatch but 127 + // with a nice error + warm cache) 128 + if err.error == "NotFound" && cid.is_some() { 129 + cid = &None; 130 + continue; 131 + } else { 132 + return Err(RecordError::UpstreamBadRequest(err)); 133 + } 134 + } 135 + break res; 136 + }; 137 + 138 + let data = res 139 + .error_for_status() 140 + .map_err(RecordError::StatusError)? // TODO atproto error handling (think about handling not found) 141 + .json::<RecordResponseObject>() 142 + .await 143 + .map_err(RecordError::ParseJsonError)?; // todo... 144 + 145 + let Some(cid) = data.cid else { 146 + return Err(RecordError::MissingUpstreamCid); 147 + }; 148 + let cid = Cid::from_str(&cid).map_err(|e| RecordError::BadUpstreamCid(e.to_string()))?; 149 + 150 + Ok(CachedRecord::Found(RawRecord { 151 + cid, 152 + record: data.value.to_string(), 153 + })) 154 + } 155 + }
+778
slingshot/src/server.rs
··· 1 + use crate::{ 2 + CachedRecord, ErrorResponseObject, Identity, Repo, 3 + error::{RecordError, ServerError}, 4 + }; 5 + use atrium_api::types::string::{Cid, Did, Handle, Nsid, RecordKey}; 6 + use foyer::HybridCache; 7 + use links::at_uri::parse_at_uri as normalize_at_uri; 8 + use serde::Serialize; 9 + use std::path::PathBuf; 10 + use std::str::FromStr; 11 + use std::sync::Arc; 12 + use tokio_util::sync::CancellationToken; 13 + 14 + use poem::{ 15 + Endpoint, EndpointExt, Route, Server, 16 + endpoint::{StaticFileEndpoint, make_sync}, 17 + http::Method, 18 + listener::{ 19 + Listener, TcpListener, 20 + acme::{AutoCert, LETS_ENCRYPT_PRODUCTION}, 21 + }, 22 + middleware::{CatchPanic, Cors, Tracing}, 23 + }; 24 + use poem_openapi::{ 25 + ApiResponse, ContactObject, ExternalDocumentObject, Object, OpenApi, OpenApiService, Tags, 26 + param::Query, payload::Json, types::Example, 27 + }; 28 + 29 + fn example_handle() -> String { 30 + "bad-example.com".to_string() 31 + } 32 + fn example_did() -> String { 33 + "did:plc:hdhoaan3xa3jiuq4fg4mefid".to_string() 34 + } 35 + fn example_collection() -> String { 36 + "app.bsky.feed.like".to_string() 37 + } 38 + fn example_rkey() -> String { 39 + "3lv4ouczo2b2a".to_string() 40 + } 41 + fn example_uri() -> String { 42 + format!( 43 + "at://{}/{}/{}", 44 + example_did(), 45 + example_collection(), 46 + example_rkey() 47 + ) 48 + } 49 + fn example_pds() -> String { 50 + "https://porcini.us-east.host.bsky.network".to_string() 51 + } 52 + fn example_signing_key() -> String { 53 + "zQ3shpq1g134o7HGDb86CtQFxnHqzx5pZWknrVX2Waum3fF6j".to_string() 54 + } 55 + 56 + #[derive(Object)] 57 + #[oai(example = true)] 58 + struct XrpcErrorResponseObject { 59 + /// Should correspond an error `name` in the lexicon errors array 60 + error: String, 61 + /// Human-readable description and possibly additonal context 62 + message: String, 63 + } 64 + impl Example for XrpcErrorResponseObject { 65 + fn example() -> Self { 66 + Self { 67 + error: "RecordNotFound".to_string(), 68 + message: "This record was deleted".to_string(), 69 + } 70 + } 71 + } 72 + type XrpcError = Json<XrpcErrorResponseObject>; 73 + fn xrpc_error(error: impl AsRef<str>, message: impl AsRef<str>) -> XrpcError { 74 + Json(XrpcErrorResponseObject { 75 + error: error.as_ref().to_string(), 76 + message: message.as_ref().to_string(), 77 + }) 78 + } 79 + 80 + fn bad_request_handler_get_record(err: poem::Error) -> GetRecordResponse { 81 + GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 82 + error: "InvalidRequest".to_string(), 83 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 84 + })) 85 + } 86 + 87 + fn bad_request_handler_resolve_mini(err: poem::Error) -> ResolveMiniIDResponse { 88 + ResolveMiniIDResponse::BadRequest(Json(XrpcErrorResponseObject { 89 + error: "InvalidRequest".to_string(), 90 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 91 + })) 92 + } 93 + 94 + fn bad_request_handler_resolve_handle(err: poem::Error) -> JustDidResponse { 95 + JustDidResponse::BadRequest(Json(XrpcErrorResponseObject { 96 + error: "InvalidRequest".to_string(), 97 + message: format!("Bad request, here's some info that maybe should not be exposed: {err}"), 98 + })) 99 + } 100 + 101 + #[derive(Object)] 102 + #[oai(example = true)] 103 + struct FoundRecordResponseObject { 104 + /// at-uri for this record 105 + uri: String, 106 + /// CID for this exact version of the record 107 + /// 108 + /// Slingshot will always return the CID, despite it not being a required 109 + /// response property in the official lexicon. 110 + /// 111 + /// TODO: probably actually let it be optional, idk are some pds's weirdly 112 + /// not returning it? 113 + cid: Option<String>, 114 + /// the record itself as JSON 115 + value: serde_json::Value, 116 + } 117 + impl Example for FoundRecordResponseObject { 118 + fn example() -> Self { 119 + Self { 120 + uri: example_uri(), 121 + cid: Some("bafyreialv3mzvvxaoyrfrwoer3xmabbmdchvrbyhayd7bga47qjbycy74e".to_string()), 122 + value: serde_json::json!({ 123 + "$type": "app.bsky.feed.like", 124 + "createdAt": "2025-07-29T18:02:02.327Z", 125 + "subject": { 126 + "cid": "bafyreia2gy6eyk5qfetgahvshpq35vtbwy6negpy3gnuulcdi723mi7vxy", 127 + "uri": "at://did:plc:vwzwgnygau7ed7b7wt5ux7y2/app.bsky.feed.post/3lv4lkb4vgs2k" 128 + } 129 + }), 130 + } 131 + } 132 + } 133 + 134 + #[derive(ApiResponse)] 135 + #[oai(bad_request_handler = "bad_request_handler_get_record")] 136 + enum GetRecordResponse { 137 + /// Record found 138 + #[oai(status = 200)] 139 + Ok(Json<FoundRecordResponseObject>), 140 + /// Bad request or no record to return 141 + /// 142 + /// The only error name in the repo.getRecord lexicon is `RecordNotFound`, 143 + /// but the [canonical api docs](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 144 + /// also list `InvalidRequest`, `ExpiredToken`, and `InvalidToken`. Of 145 + /// these, slingshot will only generate `RecordNotFound` or `InvalidRequest`, 146 + /// but may return any proxied error code from the upstream repo. 147 + #[oai(status = 400)] 148 + BadRequest(XrpcError), 149 + /// Server errors 150 + #[oai(status = 500)] 151 + ServerError(XrpcError), 152 + } 153 + 154 + #[derive(Object)] 155 + #[oai(example = true)] 156 + struct MiniDocResponseObject { 157 + /// DID, bi-directionally verified if a handle was provided in the query. 158 + did: String, 159 + /// The validated handle of the account or `handle.invalid` if the handle 160 + /// did not bi-directionally match the DID document. 161 + handle: String, 162 + /// The identity's PDS URL 163 + pds: String, 164 + /// The atproto signing key publicKeyMultibase 165 + /// 166 + /// Legacy key encoding not supported. the key is returned directly; `id`, 167 + /// `type`, and `controller` are omitted. 168 + signing_key: String, 169 + } 170 + impl Example for MiniDocResponseObject { 171 + fn example() -> Self { 172 + Self { 173 + did: example_did(), 174 + handle: example_handle(), 175 + pds: example_pds(), 176 + signing_key: example_signing_key(), 177 + } 178 + } 179 + } 180 + 181 + #[derive(ApiResponse)] 182 + #[oai(bad_request_handler = "bad_request_handler_resolve_mini")] 183 + enum ResolveMiniIDResponse { 184 + /// Identity resolved 185 + #[oai(status = 200)] 186 + Ok(Json<MiniDocResponseObject>), 187 + /// Bad request or identity not resolved 188 + #[oai(status = 400)] 189 + BadRequest(XrpcError), 190 + } 191 + 192 + #[derive(Object)] 193 + #[oai(example = true)] 194 + struct FoundDidResponseObject { 195 + /// the DID, bi-directionally verified if using Slingshot 196 + did: String, 197 + } 198 + impl Example for FoundDidResponseObject { 199 + fn example() -> Self { 200 + Self { did: example_did() } 201 + } 202 + } 203 + 204 + #[derive(ApiResponse)] 205 + #[oai(bad_request_handler = "bad_request_handler_resolve_handle")] 206 + enum JustDidResponse { 207 + /// Resolution succeeded 208 + #[oai(status = 200)] 209 + Ok(Json<FoundDidResponseObject>), 210 + /// Bad request, failed to resolve, or failed to verify 211 + /// 212 + /// `error` will be one of `InvalidRequest`, `HandleNotFound`. 213 + #[oai(status = 400)] 214 + BadRequest(XrpcError), 215 + /// Something went wrong trying to complete the request 216 + #[oai(status = 500)] 217 + ServerError(XrpcError), 218 + } 219 + 220 + struct Xrpc { 221 + cache: HybridCache<String, CachedRecord>, 222 + identity: Identity, 223 + repo: Arc<Repo>, 224 + } 225 + 226 + #[derive(Tags)] 227 + enum ApiTags { 228 + /// Core ATProtocol-compatible APIs. 229 + /// 230 + /// > [!tip] 231 + /// > Upstream documentation is available at 232 + /// > https://docs.bsky.app/docs/category/http-reference 233 + /// 234 + /// These queries are usually executed directly against the PDS containing 235 + /// the data being requested. Slingshot offers a caching view of the same 236 + /// contents with better expected performance and reliability. 237 + #[oai(rename = "com.atproto.* queries")] 238 + ComAtproto, 239 + /// Additional and improved APIs. 240 + /// 241 + /// These APIs offer small tweaks to the core ATProtocol APIs, with more 242 + /// more convenient [request parameters](#tag/slingshot-specific-queries/GET/xrpc/com.bad-example.repo.getUriRecord) 243 + /// or [response formats](#tag/slingshot-specific-queries/GET/xrpc/com.bad-example.identity.resolveMiniDoc). 244 + /// 245 + /// > [!important] 246 + /// > At the moment, these are namespaced under the `com.bad-example.*` NSID 247 + /// > prefix, but as they stabilize they may be migrated to an org namespace 248 + /// > like `blue.microcosm.*`. Support for asliasing to `com.bad-example.*` 249 + /// > will be maintained as long as it's in use. 250 + #[oai(rename = "slingshot-specific queries")] 251 + Custom, 252 + } 253 + 254 + #[OpenApi] 255 + impl Xrpc { 256 + /// com.atproto.repo.getRecord 257 + /// 258 + /// Get a single record from a repository. Does not require auth. 259 + /// 260 + /// > [!tip] 261 + /// > See also the [canonical `com.atproto` XRPC documentation](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 262 + /// > that this endpoint aims to be compatible with. 263 + #[oai( 264 + path = "/com.atproto.repo.getRecord", 265 + method = "get", 266 + tag = "ApiTags::ComAtproto" 267 + )] 268 + async fn get_record( 269 + &self, 270 + /// The DID or handle of the repo 271 + #[oai(example = "example_did")] 272 + Query(repo): Query<String>, 273 + /// The NSID of the record collection 274 + #[oai(example = "example_collection")] 275 + Query(collection): Query<String>, 276 + /// The Record key 277 + #[oai(example = "example_rkey")] 278 + Query(rkey): Query<String>, 279 + /// Optional: the CID of the version of the record. 280 + /// 281 + /// If not specified, then return the most recent version. 282 + /// 283 + /// If a stale `CID` is specified and a newer version of the record 284 + /// exists, Slingshot returns a `NotFound` error. That is: Slingshot 285 + /// only retains the most recent version of a record. 286 + Query(cid): Query<Option<String>>, 287 + ) -> GetRecordResponse { 288 + self.get_record_impl(repo, collection, rkey, cid).await 289 + } 290 + 291 + /// com.bad-example.repo.getUriRecord 292 + /// 293 + /// Ergonomic complement to [`com.atproto.repo.getRecord`](https://docs.bsky.app/docs/api/com-atproto-repo-get-record) 294 + /// which accepts an `at-uri` instead of individual repo/collection/rkey params 295 + #[oai( 296 + path = "/com.bad-example.repo.getUriRecord", 297 + method = "get", 298 + tag = "ApiTags::Custom" 299 + )] 300 + async fn get_uri_record( 301 + &self, 302 + /// The at-uri of the record 303 + /// 304 + /// The identifier can be a DID or an atproto handle, and the collection 305 + /// and rkey segments must be present. 306 + #[oai(example = "example_uri")] 307 + Query(at_uri): Query<String>, 308 + /// Optional: the CID of the version of the record. 309 + /// 310 + /// If not specified, then return the most recent version. 311 + /// 312 + /// > [!tip] 313 + /// > If specified and a newer version of the record exists, returns 404 not 314 + /// > found. That is: slingshot only retains the most recent version of a 315 + /// > record. 316 + Query(cid): Query<Option<String>>, 317 + ) -> GetRecordResponse { 318 + let bad_at_uri = || { 319 + GetRecordResponse::BadRequest(xrpc_error( 320 + "InvalidRequest", 321 + "at-uri does not appear to be valid", 322 + )) 323 + }; 324 + 325 + let Some(normalized) = normalize_at_uri(&at_uri) else { 326 + return bad_at_uri(); 327 + }; 328 + 329 + // TODO: move this to links 330 + let Some(rest) = normalized.strip_prefix("at://") else { 331 + return bad_at_uri(); 332 + }; 333 + let Some((repo, rest)) = rest.split_once('/') else { 334 + return bad_at_uri(); 335 + }; 336 + let Some((collection, rest)) = rest.split_once('/') else { 337 + return bad_at_uri(); 338 + }; 339 + let rkey = if let Some((rkey, _rest)) = rest.split_once('?') { 340 + rkey 341 + } else { 342 + rest 343 + }; 344 + 345 + self.get_record_impl( 346 + repo.to_string(), 347 + collection.to_string(), 348 + rkey.to_string(), 349 + cid, 350 + ) 351 + .await 352 + } 353 + 354 + /// com.atproto.identity.resolveHandle 355 + /// 356 + /// Resolves an atproto [`handle`](https://atproto.com/guides/glossary#handle) 357 + /// (hostname) to a [`DID`](https://atproto.com/guides/glossary#did-decentralized-id). 358 + /// 359 + /// > [!tip] 360 + /// > Compatibility note: Slingshot will **always bi-directionally verify 361 + /// > against the DID document**, which is optional according to the 362 + /// > authoritative lexicon. 363 + /// 364 + /// > [!tip] 365 + /// > See the [canonical `com.atproto` XRPC documentation](https://docs.bsky.app/docs/api/com-atproto-identity-resolve-handle) 366 + /// > that this endpoint aims to be compatible with. 367 + #[oai( 368 + path = "/com.atproto.identity.resolveHandle", 369 + method = "get", 370 + tag = "ApiTags::ComAtproto" 371 + )] 372 + async fn resolve_handle( 373 + &self, 374 + /// The handle to resolve. 375 + #[oai(example = "example_handle")] 376 + Query(handle): Query<String>, 377 + ) -> JustDidResponse { 378 + let Ok(handle) = Handle::new(handle) else { 379 + return JustDidResponse::BadRequest(xrpc_error("InvalidRequest", "not a valid handle")); 380 + }; 381 + 382 + let Ok(alleged_did) = self.identity.handle_to_did(handle.clone()).await else { 383 + return JustDidResponse::ServerError(xrpc_error("Failed", "Could not resolve handle")); 384 + }; 385 + 386 + let Some(alleged_did) = alleged_did else { 387 + return JustDidResponse::BadRequest(xrpc_error( 388 + "HandleNotFound", 389 + "Could not resolve handle to a DID", 390 + )); 391 + }; 392 + 393 + let Ok(partial_doc) = self.identity.did_to_partial_mini_doc(&alleged_did).await else { 394 + return JustDidResponse::ServerError(xrpc_error("Failed", "Could not fetch DID doc")); 395 + }; 396 + 397 + let Some(partial_doc) = partial_doc else { 398 + return JustDidResponse::BadRequest(xrpc_error( 399 + "HandleNotFound", 400 + "Resolved handle but could not find DID doc for the DID", 401 + )); 402 + }; 403 + 404 + if partial_doc.unverified_handle != handle { 405 + return JustDidResponse::BadRequest(xrpc_error( 406 + "HandleNotFound", 407 + "Resolved handle failed bi-directional validation", 408 + )); 409 + } 410 + 411 + JustDidResponse::Ok(Json(FoundDidResponseObject { 412 + did: alleged_did.to_string(), 413 + })) 414 + } 415 + 416 + /// com.bad-example.identity.resolveMiniDoc 417 + /// 418 + /// Like [com.atproto.identity.resolveIdentity](https://docs.bsky.app/docs/api/com-atproto-identity-resolve-identity) 419 + /// but instead of the full `didDoc` it returns an atproto-relevant subset. 420 + #[oai( 421 + path = "/com.bad-example.identity.resolveMiniDoc", 422 + method = "get", 423 + tag = "ApiTags::Custom" 424 + )] 425 + async fn resolve_mini_id( 426 + &self, 427 + /// Handle or DID to resolve 428 + #[oai(example = "example_handle")] 429 + Query(identifier): Query<String>, 430 + ) -> ResolveMiniIDResponse { 431 + let invalid = |reason: &'static str| { 432 + ResolveMiniIDResponse::BadRequest(xrpc_error("InvalidRequest", reason)) 433 + }; 434 + 435 + let mut unverified_handle = None; 436 + let did = match Did::new(identifier.clone()) { 437 + Ok(did) => did, 438 + Err(_) => { 439 + let Ok(alleged_handle) = Handle::new(identifier) else { 440 + return invalid("identifier was not a valid DID or handle"); 441 + }; 442 + 443 + match self.identity.handle_to_did(alleged_handle.clone()).await { 444 + Ok(res) => { 445 + if let Some(did) = res { 446 + // we did it joe 447 + unverified_handle = Some(alleged_handle); 448 + did 449 + } else { 450 + return invalid("Could not resolve handle identifier to a DID"); 451 + } 452 + } 453 + Err(e) => { 454 + log::debug!("failed to resolve handle: {e}"); 455 + // TODO: ServerError not BadRequest 456 + return invalid("errored while trying to resolve handle to DID"); 457 + } 458 + } 459 + } 460 + }; 461 + let Ok(partial_doc) = self.identity.did_to_partial_mini_doc(&did).await else { 462 + return invalid("failed to get DID doc"); 463 + }; 464 + let Some(partial_doc) = partial_doc else { 465 + return invalid("failed to find DID doc"); 466 + }; 467 + 468 + // ok so here's where we're at: 469 + // ✅ we have a DID 470 + // ✅ we have a partial doc 471 + // 🔶 if we have a handle, it's from the `identifier` (user-input) 472 + // -> then we just need to compare to the partial doc to confirm 473 + // -> else we need to resolve the DID doc's to a handle and check 474 + let handle = if let Some(h) = unverified_handle { 475 + if h == partial_doc.unverified_handle { 476 + h.to_string() 477 + } else { 478 + "handle.invalid".to_string() 479 + } 480 + } else { 481 + let Ok(handle_did) = self 482 + .identity 483 + .handle_to_did(partial_doc.unverified_handle.clone()) 484 + .await 485 + else { 486 + return invalid("failed to get did doc's handle"); 487 + }; 488 + let Some(handle_did) = handle_did else { 489 + return invalid("failed to resolve did doc's handle"); 490 + }; 491 + if handle_did == did { 492 + partial_doc.unverified_handle.to_string() 493 + } else { 494 + "handle.invalid".to_string() 495 + } 496 + }; 497 + 498 + ResolveMiniIDResponse::Ok(Json(MiniDocResponseObject { 499 + did: did.to_string(), 500 + handle, 501 + pds: partial_doc.pds, 502 + signing_key: partial_doc.signing_key, 503 + })) 504 + } 505 + 506 + async fn get_record_impl( 507 + &self, 508 + repo: String, 509 + collection: String, 510 + rkey: String, 511 + cid: Option<String>, 512 + ) -> GetRecordResponse { 513 + let did = match Did::new(repo.clone()) { 514 + Ok(did) => did, 515 + Err(_) => { 516 + let Ok(handle) = Handle::new(repo) else { 517 + return GetRecordResponse::BadRequest(xrpc_error( 518 + "InvalidRequest", 519 + "repo was not a valid DID or handle", 520 + )); 521 + }; 522 + match self.identity.handle_to_did(handle).await { 523 + Ok(res) => { 524 + if let Some(did) = res { 525 + did 526 + } else { 527 + return GetRecordResponse::BadRequest(xrpc_error( 528 + "InvalidRequest", 529 + "Could not resolve handle repo to a DID", 530 + )); 531 + } 532 + } 533 + Err(e) => { 534 + log::debug!("handle resolution failed: {e}"); 535 + return GetRecordResponse::ServerError(xrpc_error( 536 + "ResolutionFailed", 537 + "errored while trying to resolve handle to DID", 538 + )); 539 + } 540 + } 541 + } 542 + }; 543 + 544 + let Ok(collection) = Nsid::new(collection) else { 545 + return GetRecordResponse::BadRequest(xrpc_error( 546 + "InvalidRequest", 547 + "invalid NSID for collection", 548 + )); 549 + }; 550 + 551 + let Ok(rkey) = RecordKey::new(rkey) else { 552 + return GetRecordResponse::BadRequest(xrpc_error("InvalidRequest", "invalid rkey")); 553 + }; 554 + 555 + let cid: Option<Cid> = if let Some(cid) = cid { 556 + let Ok(cid) = Cid::from_str(&cid) else { 557 + return GetRecordResponse::BadRequest(xrpc_error("InvalidRequest", "invalid CID")); 558 + }; 559 + Some(cid) 560 + } else { 561 + None 562 + }; 563 + 564 + let at_uri = format!("at://{}/{}/{}", &*did, &*collection, &*rkey); 565 + 566 + let fr = self 567 + .cache 568 + .fetch(at_uri.clone(), { 569 + let cid = cid.clone(); 570 + let repo_api = self.repo.clone(); 571 + || async move { 572 + repo_api 573 + .get_record(&did, &collection, &rkey, &cid) 574 + .await 575 + .map_err(|e| foyer::Error::Other(Box::new(e))) 576 + } 577 + }) 578 + .await; 579 + 580 + let entry = match fr { 581 + Ok(e) => e, 582 + Err(foyer::Error::Other(e)) => { 583 + let record_error = match e.downcast::<RecordError>() { 584 + Ok(e) => e, 585 + Err(e) => { 586 + log::error!("error (foyer other) getting cache entry, {e:?}"); 587 + return GetRecordResponse::ServerError(xrpc_error( 588 + "ServerError", 589 + "sorry, something went wrong", 590 + )); 591 + } 592 + }; 593 + let RecordError::UpstreamBadRequest(ErrorResponseObject { error, message }) = 594 + *record_error 595 + else { 596 + log::error!("RecordError getting cache entry, {record_error:?}"); 597 + return GetRecordResponse::ServerError(xrpc_error( 598 + "ServerError", 599 + "sorry, something went wrong", 600 + )); 601 + }; 602 + 603 + // all of the noise around here is so that we can ultimately reach this: 604 + // upstream BadRequest extracted from the foyer result which we can proxy back 605 + return GetRecordResponse::BadRequest(xrpc_error( 606 + error, 607 + format!("Upstream bad request: {message}"), 608 + )); 609 + } 610 + Err(e) => { 611 + log::error!("error (foyer) getting cache entry, {e:?}"); 612 + return GetRecordResponse::ServerError(xrpc_error( 613 + "ServerError", 614 + "sorry, something went wrong", 615 + )); 616 + } 617 + }; 618 + 619 + match *entry { 620 + CachedRecord::Found(ref raw) => { 621 + let (found_cid, raw_value) = raw.into(); 622 + if cid.clone().map(|c| c != found_cid).unwrap_or(false) { 623 + return GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 624 + error: "RecordNotFound".to_string(), 625 + message: "A record was found but its CID did not match that requested" 626 + .to_string(), 627 + })); 628 + } 629 + // TODO: thank u stellz: https://gist.github.com/stella3d/51e679e55b264adff89d00a1e58d0272 630 + let value = 631 + serde_json::from_str(raw_value.get()).expect("RawValue to be valid json"); 632 + GetRecordResponse::Ok(Json(FoundRecordResponseObject { 633 + uri: at_uri, 634 + cid: Some(found_cid.as_ref().to_string()), 635 + value, 636 + })) 637 + } 638 + CachedRecord::Deleted => GetRecordResponse::BadRequest(Json(XrpcErrorResponseObject { 639 + error: "RecordNotFound".to_string(), 640 + message: "This record was deleted".to_string(), 641 + })), 642 + } 643 + } 644 + 645 + // TODO 646 + // #[oai(path = "/com.atproto.identity.resolveHandle", method = "get")] 647 + // #[oai(path = "/com.atproto.identity.resolveDid", method = "get")] 648 + // but these are both not specified to do bidirectional validation, which is what we want to offer 649 + // com.atproto.identity.resolveIdentity seems right, but requires returning the full did-doc 650 + // would be nice if there were two queries: 651 + // did -> verified handle + pds url 652 + // handle -> verified did + pds url 653 + // 654 + // we could do horrible things and implement resolveIdentity with only a stripped-down fake did doc 655 + // but this will *definitely* cause problems because eg. we're not currently storing pubkeys and 656 + // those are a little bit important 657 + } 658 + 659 + #[derive(Debug, Clone, Serialize)] 660 + #[serde(rename_all = "camelCase")] 661 + struct AppViewService { 662 + id: String, 663 + r#type: String, 664 + service_endpoint: String, 665 + } 666 + #[derive(Debug, Clone, Serialize)] 667 + struct AppViewDoc { 668 + id: String, 669 + service: [AppViewService; 1], 670 + } 671 + /// Serve a did document for did:web for this to be an xrpc appview 672 + /// 673 + /// No slingshot endpoints currently require auth, so it's not necessary to do 674 + /// service proxying, however clients may wish to: 675 + /// 676 + /// - PDS proxying offers a level of client IP anonymity from slingshot 677 + /// - slingshot *may* implement more generous per-user rate-limits for proxied requests in the future 678 + fn get_did_doc(domain: &str) -> impl Endpoint + use<> { 679 + let doc = poem::web::Json(AppViewDoc { 680 + id: format!("did:web:{domain}"), 681 + service: [AppViewService { 682 + id: "#slingshot".to_string(), 683 + r#type: "SlingshotRecordProxy".to_string(), 684 + service_endpoint: format!("https://{domain}"), 685 + }], 686 + }); 687 + make_sync(move |_| doc.clone()) 688 + } 689 + 690 + pub async fn serve( 691 + cache: HybridCache<String, CachedRecord>, 692 + identity: Identity, 693 + repo: Repo, 694 + domain: Option<String>, 695 + acme_contact: Option<String>, 696 + certs: Option<PathBuf>, 697 + shutdown: CancellationToken, 698 + ) -> Result<(), ServerError> { 699 + let repo = Arc::new(repo); 700 + let api_service = OpenApiService::new( 701 + Xrpc { 702 + cache, 703 + identity, 704 + repo, 705 + }, 706 + "Slingshot", 707 + env!("CARGO_PKG_VERSION"), 708 + ) 709 + .server(if let Some(ref h) = domain { 710 + format!("https://{h}") 711 + } else { 712 + "http://localhost:3000".to_string() 713 + }) 714 + .url_prefix("/xrpc") 715 + .contact( 716 + ContactObject::new() 717 + .name("@microcosm.blue") 718 + .url("https://bsky.app/profile/microcosm.blue"), 719 + ) 720 + .description(include_str!("../api-description.md")) 721 + .external_document(ExternalDocumentObject::new( 722 + "https://microcosm.blue/slingshot", 723 + )); 724 + 725 + let mut app = Route::new() 726 + .at("/", StaticFileEndpoint::new("./static/index.html")) 727 + .nest("/openapi", api_service.spec_endpoint()) 728 + .nest("/xrpc/", api_service); 729 + 730 + if let Some(domain) = domain { 731 + rustls::crypto::aws_lc_rs::default_provider() 732 + .install_default() 733 + .expect("alskfjalksdjf"); 734 + 735 + app = app.at("/.well-known/did.json", get_did_doc(&domain)); 736 + 737 + let mut auto_cert = AutoCert::builder() 738 + .directory_url(LETS_ENCRYPT_PRODUCTION) 739 + .domain(&domain); 740 + if let Some(contact) = acme_contact { 741 + auto_cert = auto_cert.contact(contact); 742 + } 743 + if let Some(certs) = certs { 744 + auto_cert = auto_cert.cache_path(certs); 745 + } 746 + let auto_cert = auto_cert.build().map_err(ServerError::AcmeBuildError)?; 747 + 748 + run( 749 + TcpListener::bind("0.0.0.0:443").acme(auto_cert), 750 + app, 751 + shutdown, 752 + ) 753 + .await 754 + } else { 755 + run(TcpListener::bind("127.0.0.1:3000"), app, shutdown).await 756 + } 757 + } 758 + 759 + async fn run<L>(listener: L, app: Route, shutdown: CancellationToken) -> Result<(), ServerError> 760 + where 761 + L: Listener + 'static, 762 + { 763 + let app = app 764 + .with( 765 + Cors::new() 766 + .allow_origin_regex("*") 767 + .allow_methods([Method::GET]) 768 + .allow_credentials(false), 769 + ) 770 + .with(CatchPanic::new()) 771 + .with(Tracing); 772 + Server::new(listener) 773 + .name("slingshot") 774 + .run_with_graceful_shutdown(app, shutdown.cancelled(), None) 775 + .await 776 + .map_err(ServerError::ServerExited) 777 + .inspect(|()| log::info!("server ended. goodbye.")) 778 + }
slingshot/static/favicon.ico

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+67
slingshot/static/index.html
··· 1 + <!doctype html> 2 + <html lang="en"> 3 + <head> 4 + <meta charset="utf-8" /> 5 + <title>Slingshot: atproto edge record cache</title> 6 + <meta name="viewport" content="width=device-width, initial-scale=1" /> 7 + <meta name="description" content="API Documentation for Slingshot, a firehose-listening atproto edge record and identity cache." /> 8 + <style> 9 + :root { 10 + --scalar-small: 13px; 11 + } 12 + .scalar-app .markdown .markdown-alert { 13 + font-size: var(--scalar-small); 14 + } 15 + .sidebar-heading-link-title { 16 + line-height: 1.2; 17 + } 18 + .custom-header { 19 + height: 42px; 20 + background-color: #221828; 21 + box-shadow: inset 0 -1px 0 var(--scalar-border-color); 22 + color: var(--scalar-color-1); 23 + font-size: var(--scalar-font-size-3); 24 + font-family: 'Iowan Old Style', 'Palatino Linotype', 'URW Palladio L', P052, serif; 25 + padding: 0 18px; 26 + justify-content: space-between; 27 + } 28 + .custom-header, 29 + .custom-header nav { 30 + display: flex; 31 + align-items: center; 32 + gap: 18px; 33 + } 34 + .custom-header a:hover { 35 + color: var(--scalar-color-2); 36 + } 37 + 38 + .light-mode .custom-header { 39 + background-color: thistle; 40 + } 41 + </style> 42 + </head> 43 + <body> 44 + <header class="custom-header scalar-app"> 45 + <p> 46 + TODO: thing 47 + </p> 48 + <nav> 49 + <b>a <a href="https://microcosm.blue">microcosm</a> project</b> 50 + <a href="https://bsky.app/profile/microcosm.blue">@microcosm.blue</a> 51 + <a href="https://github.com/at-microcosm">github</a> 52 + </nav> 53 + </header> 54 + 55 + <script id="api-reference" type="application/json" data-url="/openapi"></script> 56 + 57 + <script> 58 + var configuration = { 59 + theme: 'purple', 60 + hideModels: true, 61 + } 62 + document.getElementById('api-reference').dataset.configuration = JSON.stringify(configuration) 63 + </script> 64 + 65 + <script src="https://cdn.jsdelivr.net/npm/@scalar/api-reference"></script> 66 + </body> 67 + </html>
+5 -5
spacedust/src/subscriber.rs
··· 42 42 loop { 43 43 tokio::select! { 44 44 l = receiver.recv() => match l { 45 - Ok(link) => if self.filter(&link.properties) { 46 - if let Err(e) = ws_sender.send(link.message.clone()).await { 47 - log::warn!("failed to send link, dropping subscriber: {e:?}"); 48 - break; 49 - } 45 + Ok(link) => if self.filter(&link.properties) 46 + && let Err(e) = ws_sender.send(link.message.clone()).await 47 + { 48 + log::warn!("failed to send link, dropping subscriber: {e:?}"); 49 + break; 50 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 - fjall = { version = "2.8.0", features = ["lz4"] } 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 + 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 - async fn go<B: StoreBackground>( 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 + let mut whatever_tasks: JoinSet<anyhow::Result<()>> = JoinSet::new(); 84 + let mut consumer_tasks: JoinSet<anyhow::Result<()>> = JoinSet::new(); 85 + 82 86 println!("starting server with storage..."); 83 87 let serving = server::serve(read_store.clone()); 88 + whatever_tasks.spawn(async move { 89 + serving.await.map_err(|e| { 90 + log::warn!("server ended: {e}"); 91 + anyhow::anyhow!(e) 92 + }) 93 + }); 84 94 85 95 if args.pause_writer { 86 96 log::info!("not starting jetstream or the write loop."); 87 - serving.await.map_err(|e| anyhow::anyhow!(e))?; 97 + for t in whatever_tasks.join_all().await { 98 + if let Err(e) = t { 99 + return Err(anyhow::anyhow!(e)); 100 + } 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 - let consuming = write_store.receive_batches(batches); 119 + whatever_tasks.spawn(async move { 120 + rolling 121 + .await 122 + .inspect_err(|e| log::warn!("rollup ended: {e}"))?; 123 + Ok(()) 124 + }); 106 125 107 - let stating = do_update_stuff(read_store); 126 + consumer_tasks.spawn(async move { 127 + write_store 128 + .receive_batches(batches) 129 + .await 130 + .inspect_err(|e| log::warn!("consumer ended: {e}"))?; 131 + Ok(()) 132 + }); 133 + 134 + whatever_tasks.spawn(async move { 135 + do_update_stuff(read_store).await; 136 + log::warn!("status task ended"); 137 + Ok(()) 138 + }); 108 139 109 140 install_metrics_server()?; 110 141 111 - tokio::select! { 112 - z = serving => log::warn!("serve task ended: {z:?}"), 113 - z = rolling => log::warn!("rollup task ended: {z:?}"), 114 - z = consuming => log::warn!("consuming task ended: {z:?}"), 115 - z = stating => log::warn!("status task ended: {z:?}"), 116 - }; 142 + for (i, t) in consumer_tasks.join_all().await.iter().enumerate() { 143 + log::warn!("task {i} done: {t:?}"); 144 + } 145 + 146 + println!("consumer tasks all completed, killing the others"); 147 + whatever_tasks.shutdown().await; 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 + 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 + describe_histogram!( 45 + "storage_batch_insert_time", 46 + Unit::Microseconds, 47 + "total time to insert one commit batch" 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 - me.insert_batch(event_batch) 77 + let t0 = Instant::now(); 78 + let r = me.insert_batch(event_batch); 79 + histogram!("storage_batch_insert_time").record(t0.elapsed().as_micros() as f64); 80 + r 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 + 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 - use metrics::{counter, describe_counter, describe_histogram, histogram, Unit}; 26 + use lsm_tree::AbstractTree; 27 + use metrics::{ 28 + counter, describe_counter, describe_gauge, describe_histogram, gauge, histogram, Unit, 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 + queues: queues.clone(), 230 234 }; 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 + 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 + 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 + fn describe_metrics(&self) { 392 + describe_gauge!( 393 + "storage_fjall_l0_run_count", 394 + Unit::Count, 395 + "number of L0 runs in a partition" 396 + ); 397 + describe_gauge!( 398 + "storage_fjall_keyspace_disk_space", 399 + Unit::Bytes, 400 + "total storage used according to fjall" 401 + ); 402 + describe_gauge!( 403 + "storage_fjall_journal_count", 404 + Unit::Count, 405 + "total keyspace journals according to fjall" 406 + ); 407 + describe_gauge!( 408 + "storage_fjall_keyspace_sequence", 409 + Unit::Count, 410 + "fjall keyspace sequence" 411 + ); 412 + } 413 + 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 + fn update_metrics(&self) { 1034 + gauge!("storage_fjall_l0_run_count", "partition" => "global") 1035 + .set(self.global.tree.l0_run_count() as f64); 1036 + gauge!("storage_fjall_l0_run_count", "partition" => "feeds") 1037 + .set(self.feeds.tree.l0_run_count() as f64); 1038 + gauge!("storage_fjall_l0_run_count", "partition" => "records") 1039 + .set(self.records.tree.l0_run_count() as f64); 1040 + gauge!("storage_fjall_l0_run_count", "partition" => "rollups") 1041 + .set(self.rollups.tree.l0_run_count() as f64); 1042 + gauge!("storage_fjall_l0_run_count", "partition" => "queues") 1043 + .set(self.queues.tree.l0_run_count() as f64); 1044 + gauge!("storage_fjall_keyspace_disk_space").set(self.keyspace.disk_space() as f64); 1045 + gauge!("storage_fjall_journal_count").set(self.keyspace.journal_count() as f64); 1046 + gauge!("storage_fjall_keyspace_sequence").set(self.keyspace.instant() as f64); 1047 + } 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 + fn describe_metrics(&self) { 1140 + describe_histogram!( 1141 + "storage_insert_batch_db_batch_items", 1142 + Unit::Count, 1143 + "how many items are in the fjall batch for batched inserts" 1144 + ); 1145 + describe_histogram!( 1146 + "storage_rollup_counts_db_batch_items", 1147 + Unit::Count, 1148 + "how many items are in the fjall batch for a timlies rollup" 1149 + ); 1150 + describe_counter!( 1151 + "storage_delete_account_partial_commits", 1152 + Unit::Count, 1153 + "fjall checkpoint commits for cleaning up accounts with too many records" 1154 + ); 1155 + describe_counter!( 1156 + "storage_delete_account_completions", 1157 + Unit::Count, 1158 + "total count of account deletes handled" 1159 + ); 1160 + describe_counter!( 1161 + "storage_delete_account_records_deleted", 1162 + Unit::Count, 1163 + "total records deleted when handling account deletes" 1164 + ); 1165 + describe_histogram!( 1166 + "storage_trim_dirty_nsids", 1167 + Unit::Count, 1168 + "number of NSIDs trimmed" 1169 + ); 1170 + describe_histogram!( 1171 + "storage_trim_duration", 1172 + Unit::Microseconds, 1173 + "how long it took to trim the dirty NSIDs" 1174 + ); 1175 + describe_counter!( 1176 + "storage_trim_removed", 1177 + Unit::Count, 1178 + "how many records were removed during trim" 1179 + ); 1180 + } 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 - batch.remove(&self.rollups, &old_k); // TODO: when fjall gets weak delete, this will hopefully work way better 1312 + // remove_weak is allowed here because the secondary ranking index only ever inserts once at a key 1313 + batch.remove_weak(&self.rollups, &old_k); 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 - batch.remove(&self.rollups, &old_k); // TODO: when fjall gets weak delete, this will hopefully work way better 1337 + // remove_weak is allowed here because the secondary ranking index only ever inserts once at a key 1338 + batch.remove_weak(&self.rollups, &old_k); 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 + 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 - describe_histogram!( 1270 - "storage_trim_dirty_nsids", 1271 - Unit::Count, 1272 - "number of NSIDs trimmed" 1273 - ); 1274 - describe_histogram!( 1275 - "storage_trim_duration", 1276 - Unit::Microseconds, 1277 - "how long it took to trim the dirty NSIDs" 1278 - ); 1279 - describe_counter!( 1280 - "storage_trim_removed", 1281 - Unit::Count, 1282 - "how many records were removed during trim" 1283 - ); 1284 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 + 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 - self.feeds.remove(&location_key_bytes)?; 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 + counter!("storage_delete_account_partial_commits").increment(1); 1559 1636 batch.commit()?; 1560 1637 batch = self.keyspace.batch(); 1561 1638 } 1562 1639 } 1640 + counter!("storage_delete_account_completions").increment(1); 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 - counter!("storage_trim_removed", "dangling" => "false").increment((total_deleted - total_danglers) as u64); 1701 + if total_deleted >= total_danglers { 1702 + counter!("storage_trim_removed", "dangling" => "false").increment((total_deleted - total_danglers) as u64); 1703 + } else { 1704 + // TODO: probably think through what's happening here 1705 + log::warn!("weird trim case: more danglers than deleted? metric will be missing for dangling=false. deleted={total_deleted} danglers={total_danglers}"); 1706 + } 1623 1707 for c in completed { 1624 1708 dirty_nsids.remove(&c); 1625 1709 }
-196
ufos ops (move to micro-ops).md
··· 1 - ufos ops 2 - 3 - btrfs snapshots: snapper 4 - 5 - ```bash 6 - sudo apt install snapper 7 - sudo snapper -c ufos-db create-config /mnt/ufos-db 8 - 9 - # edit /etc/snapper/configs/ufos-db 10 - # change 11 - TIMELINE_MIN_AGE="1800" 12 - TIMELINE_LIMIT_HOURLY="10" 13 - TIMELINE_LIMIT_DAILY="10" 14 - TIMELINE_LIMIT_WEEKLY="0" 15 - TIMELINE_LIMIT_MONTHLY="10" 16 - TIMELINE_LIMIT_YEARLY="10" 17 - # to 18 - TIMELINE_MIN_AGE="1800" 19 - TIMELINE_LIMIT_HOURLY="22" 20 - TIMELINE_LIMIT_DAILY="4" 21 - TIMELINE_LIMIT_WEEKLY="0" 22 - TIMELINE_LIMIT_MONTHLY="0" 23 - TIMELINE_LIMIT_YEARLY="0" 24 - ``` 25 - 26 - this should be enough? 27 - 28 - list snapshots: 29 - 30 - ```bash 31 - sudo snapper -c ufos-db list 32 - ``` 33 - 34 - systemd 35 - 36 - create file: `/etc/systemd/system/ufos.service` 37 - 38 - ```ini 39 - [Unit] 40 - Description=UFOs-API 41 - After=network.target 42 - 43 - [Service] 44 - User=pi 45 - WorkingDirectory=/home/pi/ 46 - ExecStart=/home/pi/ufos --jetstream us-west-2 --data /mnt/ufos-db/ 47 - Environment="RUST_LOG=info" 48 - LimitNOFILE=16384 49 - Restart=always 50 - 51 - [Install] 52 - WantedBy=multi-user.target 53 - ``` 54 - 55 - then 56 - 57 - ```bash 58 - sudo systemctl daemon-reload 59 - sudo systemctl enable ufos 60 - sudo systemctl start ufos 61 - ``` 62 - 63 - monitor with 64 - 65 - ```bash 66 - journalctl -u ufos -f 67 - ``` 68 - 69 - make sure a backup dir exists 70 - 71 - ```bash 72 - mkdir /home/pi/backup 73 - ``` 74 - 75 - mount the NAS 76 - 77 - ```bash 78 - sudo mount.cifs "//truenas.local/folks data" /home/pi/backup -o user=phil,uid=pi 79 - ``` 80 - 81 - manual rsync 82 - 83 - ```bash 84 - sudo rsync -ahP --delete /mnt/ufos-db/.snapshots/1/snapshot/ backup/ufos/ 85 - ``` 86 - 87 - backup script sketch 88 - 89 - ```bash 90 - NUM=$(sudo snapper --csvout -c ufos-db list --type single --columns number | tail -n1) 91 - sudo rsync -ahP --delete "/mnt/ufos-db/.snapshots/${NUM}/snapshot/" backup/ufos/ 92 - ``` 93 - 94 - just crontab it? 95 - 96 - `sudo crontab -e` 97 - ```bash 98 - 0 1/6 * * * rsync -ahP --delete "/mnt/ufos-db/.snapshots/$(sudo snapper --csvout -c ufos-db list --columns number | tail -n1)/snapshot/" backup/ufos/ 99 - ``` 100 - 101 - ^^ try once initial backup is done 102 - 103 - 104 - --columns subvolume,number 105 - 106 - subvolume 107 - number 108 - 109 - 110 - 111 - 112 - gateway: follow constellation for nginx->prom thing 113 - 114 - config at `/etc/prometheus-nginxlog-exporter.hcl` 115 - 116 - before: `/etc/prometheus-nginxlog-exporter.hcl` 117 - 118 - ```hcl 119 - listen { 120 - port = 4044 121 - } 122 - 123 - namespace "nginx" { 124 - source = { 125 - files = [ 126 - "/var/log/nginx/constellation-access.log" 127 - ] 128 - } 129 - 130 - format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 131 - 132 - labels { 133 - app = "constellation" 134 - } 135 - 136 - relabel "cache_status" { 137 - from = "upstream_cache_status" 138 - } 139 - } 140 - ``` 141 - 142 - after: 143 - 144 - ```hcl 145 - listen { 146 - port = 4044 147 - } 148 - 149 - namespace "constellation" { 150 - source = { 151 - files = [ 152 - "/var/log/nginx/constellation-access.log" 153 - ] 154 - } 155 - 156 - format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 157 - 158 - labels { 159 - app = "constellation" 160 - } 161 - 162 - relabel "cache_status" { 163 - from = "upstream_cache_status" 164 - } 165 - 166 - namespace_label = "vhost" 167 - metrics_override = { prefix = "nginx" } 168 - } 169 - 170 - namespace "ufos" { 171 - source = { 172 - files = [ 173 - "/var/log/nginx/ufos-access.log" 174 - ] 175 - } 176 - 177 - format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $upstream_cache_status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"" 178 - 179 - labels { 180 - app = "ufos" 181 - } 182 - 183 - relabel "cache_status" { 184 - from = "upstream_cache_status" 185 - } 186 - 187 - namespace_label = "vhost" 188 - metrics_override = { prefix = "nginx" } 189 - } 190 - ``` 191 - 192 - 193 - ```bash 194 - systemctl start prometheus-nginxlog-exporter.service 195 - ``` 196 -
+2
who-am-i/.gitignore
··· 1 + *.pem 2 + jwks.json
+5
who-am-i/Cargo.toml
··· 14 14 clap = { version = "4.5.40", features = ["derive", "env"] } 15 15 ctrlc = "3.4.7" 16 16 dashmap = "6.1.0" 17 + elliptic-curve = "0.13.8" 17 18 handlebars = { version = "6.3.2", features = ["dir_source"] } 18 19 hickory-resolver = "0.25.2" 20 + jose-jwk = "0.1.2" 21 + jsonwebtoken = "9.3.1" 19 22 metrics = "0.24.2" 23 + p256 = "0.13.2" 24 + pkcs8 = "0.10.2" 20 25 rand = "0.9.1" 21 26 reqwest = { version = "0.12.22", features = ["native-tls-vendored"] } 22 27 serde = { version = "1.0.219", features = ["derive"] }
+2
who-am-i/demo/index.html
··· 12 12 13 13 <body> 14 14 <h1>hey <span id="who"></span></h1> 15 + <p><code id="jwt"></code></p> 15 16 16 17 <iframe src="http://127.0.0.1:9997/prompt" id="whoami" style="border: none" height="160" width="320"></iframe> 17 18 ··· 27 28 window.removeEventListener('message', handleMessage); 28 29 29 30 document.getElementById('who').textContent = ev.data.handle; 31 + document.getElementById('jwt').textContent = ev.data.token; 30 32 } 31 33 window.addEventListener('message', handleMessage); 32 34 })(document.getElementById('whoami'));
+9 -4
who-am-i/src/expiring_task_map.rs
··· 49 49 .run_until_cancelled(sleep(expiration)) 50 50 .await 51 51 .is_some() 52 + // the (sleep) task completed first 52 53 { 53 - // is Some if the (sleep) task completed first 54 54 map.remove(&k); 55 55 cancel.cancel(); 56 56 metrics::counter!("whoami_task_map_completions", "result" => "expired") ··· 62 62 } 63 63 64 64 pub fn take(&self, key: &str) -> Option<JoinHandle<T>> { 65 - metrics::counter!("whoami_task_map_completions", "result" => "retrieved").increment(1); 66 - // when the _guard drops, the token gets cancelled for us 67 - self.0.map.remove(key).map(|(_, (_guard, handle))| handle) 65 + if let Some((_key, (_guard, handle))) = self.0.map.remove(key) { 66 + // when the _guard drops, it cancels the token for us 67 + metrics::counter!("whoami_task_map_completions", "result" => "retrieved").increment(1); 68 + Some(handle) 69 + } else { 70 + metrics::counter!("whoami_task_map_gones").increment(1); 71 + None 72 + } 68 73 } 69 74 } 70 75
+93
who-am-i/src/jwt.rs
··· 1 + use elliptic_curve::SecretKey; 2 + use jose_jwk::{Class, Jwk, Key, Parameters}; 3 + use jsonwebtoken::{Algorithm, EncodingKey, Header, encode, errors::Error as JWTError}; 4 + use pkcs8::DecodePrivateKey; 5 + use serde::Serialize; 6 + use std::fs; 7 + use std::io::Error as IOError; 8 + use std::path::Path; 9 + use std::string::FromUtf8Error; 10 + use std::time::{Duration, SystemTime, UNIX_EPOCH}; 11 + use thiserror::Error; 12 + 13 + #[derive(Debug, Error)] 14 + pub enum TokensSetupError { 15 + #[error("failed to read private key")] 16 + ReadPrivateKey(IOError), 17 + #[error("failed to retrieve private key: {0}")] 18 + PrivateKey(JWTError), 19 + #[error("failed to read private key")] 20 + ReadJwks(IOError), 21 + #[error("failed to retrieve jwks: {0}")] 22 + DecodeJwks(FromUtf8Error), 23 + } 24 + 25 + #[derive(Debug, Error)] 26 + pub enum TokenMintingError { 27 + #[error("failed to mint: {0}")] 28 + EncodingError(#[from] JWTError), 29 + } 30 + 31 + pub struct Tokens { 32 + encoding_key: EncodingKey, 33 + jwk: Jwk, 34 + } 35 + 36 + impl Tokens { 37 + pub fn from_files(priv_f: impl AsRef<Path>) -> Result<Self, TokensSetupError> { 38 + let private_key_data: Vec<u8> = 39 + fs::read(priv_f).map_err(TokensSetupError::ReadPrivateKey)?; 40 + let encoding_key = 41 + EncodingKey::from_ec_pem(&private_key_data).map_err(TokensSetupError::PrivateKey)?; 42 + 43 + let jwk_key_string = String::from_utf8(private_key_data).unwrap(); 44 + let mut jwk = SecretKey::<p256::NistP256>::from_pkcs8_pem(&jwk_key_string) 45 + .map(|secret_key| Jwk { 46 + key: Key::from(&secret_key.into()), 47 + prm: Parameters { 48 + kid: Some("who-am-i-00".to_string()), 49 + cls: Some(Class::Signing), 50 + ..Default::default() 51 + }, 52 + }) 53 + .expect("to get private key"); 54 + 55 + // CRITICAL: this is what turns the private jwk into a public one: the 56 + // `d` parameter is the secret for an EC key; a pubkey just has no `d`. 57 + // 58 + // this feels baaaadd but hey we're just copying atrium 59 + // https://github.com/atrium-rs/atrium/blob/b48810f84d83d037ee89b79b8566df9e0f2a6dae/atrium-oauth/src/keyset.rs#L41 60 + let Key::Ec(ref mut ec) = jwk.key else { 61 + unimplemented!() 62 + }; 63 + ec.d = None; // CRITICAL 64 + 65 + Ok(Self { encoding_key, jwk }) 66 + } 67 + 68 + pub fn mint(&self, t: impl ToString) -> Result<String, TokenMintingError> { 69 + let sub = t.to_string(); 70 + 71 + let dt_now = SystemTime::now() 72 + .duration_since(UNIX_EPOCH) 73 + .expect("unix epoch is in the past"); 74 + let dt_exp = dt_now + Duration::from_secs(30 * 86_400); 75 + let exp = dt_exp.as_secs(); 76 + 77 + let mut header = Header::new(Algorithm::ES256); 78 + header.kid = Some("who-am-i-00".to_string()); 79 + // todo: consider setting jku? 80 + 81 + Ok(encode(&header, &Claims { sub, exp }, &self.encoding_key)?) 82 + } 83 + 84 + pub fn jwk(&self) -> Jwk { 85 + self.jwk.clone() 86 + } 87 + } 88 + 89 + #[derive(Debug, Serialize)] 90 + struct Claims { 91 + sub: String, 92 + exp: u64, 93 + }
+2
who-am-i/src/lib.rs
··· 1 1 mod expiring_task_map; 2 + mod jwt; 2 3 mod oauth; 3 4 mod server; 4 5 5 6 pub use expiring_task_map::ExpiringTaskMap; 7 + pub use jwt::Tokens; 6 8 pub use oauth::{OAuth, OAuthCallbackParams, OAuthCompleteError, ResolveHandleError}; 7 9 pub use server::serve;
+57 -4
who-am-i/src/main.rs
··· 1 1 use clap::{ArgAction, Parser}; 2 - use metrics_exporter_prometheus::{PrometheusBuilder, BuildError as PromBuildError}; 2 + use metrics_exporter_prometheus::{BuildError as PromBuildError, PrometheusBuilder}; 3 + use std::path::PathBuf; 3 4 use tokio_util::sync::CancellationToken; 4 - use who_am_i::serve; 5 + use who_am_i::{Tokens, serve}; 5 6 6 7 /// Aggregate links in the at-mosphere 7 8 #[derive(Parser, Debug, Clone)] ··· 14 15 /// eg: `cat /dev/urandom | head -c 64 | base64` 15 16 #[arg(long, env)] 16 17 app_secret: String, 18 + /// path to at-oauth private key (PEM pk8 format) 19 + /// 20 + /// generate with: 21 + /// 22 + /// openssl ecparam -genkey -noout -name prime256v1 \ 23 + /// | openssl pkcs8 -topk8 -nocrypt -out <PATH-TO-PRIV-KEY>.pem 24 + #[arg(long, env)] 25 + oauth_private_key: Option<PathBuf>, 26 + /// path to jwt private key (PEM pk8 format) 27 + /// 28 + /// generate with: 29 + /// 30 + /// openssl ecparam -genkey -noout -name prime256v1 \ 31 + /// | openssl pkcs8 -topk8 -nocrypt -out <PATH-TO-PRIV-KEY>.pem 32 + #[arg(long)] 33 + jwt_private_key: PathBuf, 34 + /// this server's client-reachable base url, for oauth redirect + jwt check 35 + /// 36 + /// required unless running in localhost mode with --dev 37 + #[arg(long, env)] 38 + base_url: Option<String>, 39 + /// host:port to bind to on startup 40 + #[arg(long, env, default_value = "127.0.0.1:9997")] 41 + bind: String, 17 42 /// Enable dev mode 18 43 /// 19 - /// enables automatic template reloading 44 + /// enables automatic template reloading, uses localhost oauth config, etc 20 45 #[arg(long, action)] 21 46 dev: bool, 22 47 /// Hosts who are allowed to one-click auth ··· 35 60 36 61 let args = Args::parse(); 37 62 63 + // let bind = args.bind.to_socket_addrs().expect("--bind must be ToSocketAddrs"); 64 + 65 + let base = args.base_url.unwrap_or_else(|| { 66 + if args.dev { 67 + format!("http://{}", args.bind) 68 + } else { 69 + panic!("not in --dev mode so --base-url is required") 70 + } 71 + }); 72 + 73 + if !args.dev && args.oauth_private_key.is_none() { 74 + panic!("--at-oauth-key is required except in --dev"); 75 + } else if args.dev && args.oauth_private_key.is_some() { 76 + eprintln!("warn: --at-oauth-key is ignored in dev (localhost config)"); 77 + } 78 + 38 79 if args.allowed_hosts.is_empty() { 39 80 panic!("at least one --allowed-host host must be set"); 40 81 } ··· 44 85 println!(" - {host}"); 45 86 } 46 87 88 + let tokens = Tokens::from_files(args.jwt_private_key).unwrap(); 89 + 47 90 if let Err(e) = install_metrics_server() { 48 91 eprintln!("failed to install metrics server: {e:?}"); 49 92 }; 50 93 51 - serve(shutdown, args.app_secret, args.allowed_hosts, args.dev).await; 94 + serve( 95 + shutdown, 96 + args.app_secret, 97 + args.oauth_private_key, 98 + tokens, 99 + base, 100 + args.bind, 101 + args.allowed_hosts, 102 + args.dev, 103 + ) 104 + .await; 52 105 } 53 106 54 107 fn install_metrics_server() -> Result<(), PromBuildError> {
+77 -21
who-am-i/src/oauth.rs
··· 1 + use jose_jwk::Class; 2 + use jose_jwk::Jwk; 3 + use jose_jwk::Key; 4 + use jose_jwk::Parameters; 5 + use std::fs; 6 + use std::path::PathBuf; 7 + // use p256::SecretKey; 1 8 use atrium_api::{agent::SessionManager, types::string::Did}; 2 9 use atrium_common::resolver::Resolver; 3 10 use atrium_identity::{ ··· 5 12 handle::{AtprotoHandleResolver, AtprotoHandleResolverConfig, DnsTxtResolver}, 6 13 }; 7 14 use atrium_oauth::{ 8 - AtprotoLocalhostClientMetadata, AuthorizeOptions, CallbackParams, DefaultHttpClient, 9 - KnownScope, OAuthClient, OAuthClientConfig, OAuthResolverConfig, Scope, 15 + AtprotoClientMetadata, AtprotoLocalhostClientMetadata, AuthMethod, AuthorizeOptions, 16 + CallbackParams, DefaultHttpClient, GrantType, KnownScope, OAuthClient, OAuthClientConfig, 17 + OAuthClientMetadata, OAuthResolverConfig, Scope, 10 18 store::{session::MemorySessionStore, state::MemoryStateStore}, 11 19 }; 20 + use elliptic_curve::SecretKey; 12 21 use hickory_resolver::{ResolveError, TokioResolver}; 22 + use jose_jwk::JwkSet; 23 + use pkcs8::DecodePrivateKey; 13 24 use serde::Deserialize; 14 25 use std::sync::Arc; 15 26 use thiserror::Error; ··· 83 94 } 84 95 85 96 impl OAuth { 86 - pub fn new() -> Result<Self, AuthSetupError> { 97 + pub fn new(oauth_private_key: Option<PathBuf>, base: String) -> Result<Self, AuthSetupError> { 87 98 let http_client = Arc::new(DefaultHttpClient::default()); 88 99 let did_resolver = || { 89 100 CommonDidResolver::new(CommonDidResolverConfig { ··· 93 104 }; 94 105 let dns_txt_resolver = 95 106 HickoryDnsTxtResolver::new().map_err(AuthSetupError::HickoryResolverError)?; 96 - let client_config = OAuthClientConfig { 97 - client_metadata: AtprotoLocalhostClientMetadata { 98 - redirect_uris: Some(vec![String::from("http://127.0.0.1:9997/authorized")]), 99 - scopes: Some(READONLY_SCOPE.to_vec()), 100 - }, 101 - keys: None, 102 - resolver: OAuthResolverConfig { 103 - did_resolver: did_resolver(), 104 - handle_resolver: AtprotoHandleResolver::new(AtprotoHandleResolverConfig { 105 - dns_txt_resolver, 106 - http_client: Arc::clone(&http_client), 107 - }), 108 - authorization_server_metadata: Default::default(), 109 - protected_resource_metadata: Default::default(), 110 - }, 111 - state_store: MemoryStateStore::default(), 112 - session_store: MemorySessionStore::default(), 107 + 108 + let resolver = OAuthResolverConfig { 109 + did_resolver: did_resolver(), 110 + handle_resolver: AtprotoHandleResolver::new(AtprotoHandleResolverConfig { 111 + dns_txt_resolver, 112 + http_client: Arc::clone(&http_client), 113 + }), 114 + authorization_server_metadata: Default::default(), 115 + protected_resource_metadata: Default::default(), 113 116 }; 114 117 115 - let client = OAuthClient::new(client_config).map_err(AuthSetupError::AtriumClientError)?; 118 + let state_store = MemoryStateStore::default(); 119 + let session_store = MemorySessionStore::default(); 120 + 121 + let client = if let Some(path) = oauth_private_key { 122 + let key_contents: Vec<u8> = fs::read(path).unwrap(); 123 + let key_string = String::from_utf8(key_contents).unwrap(); 124 + let key = SecretKey::<p256::NistP256>::from_pkcs8_pem(&key_string) 125 + .map(|secret_key| Jwk { 126 + key: Key::from(&secret_key.into()), 127 + prm: Parameters { 128 + kid: Some("at-oauth-00".to_string()), 129 + cls: Some(Class::Signing), 130 + ..Default::default() 131 + }, 132 + }) 133 + .expect("to get private key"); 134 + OAuthClient::new(OAuthClientConfig { 135 + client_metadata: AtprotoClientMetadata { 136 + client_id: format!("{base}/client-metadata.json"), 137 + client_uri: Some(base.clone()), 138 + redirect_uris: vec![format!("{base}/authorized")], 139 + token_endpoint_auth_method: AuthMethod::PrivateKeyJwt, 140 + grant_types: vec![GrantType::AuthorizationCode, GrantType::RefreshToken], 141 + scopes: READONLY_SCOPE.to_vec(), 142 + jwks_uri: Some(format!("{base}/.well-known/jwks.json")), 143 + token_endpoint_auth_signing_alg: Some(String::from("ES256")), 144 + }, 145 + keys: Some(vec![key]), 146 + resolver, 147 + state_store, 148 + session_store, 149 + }) 150 + .map_err(AuthSetupError::AtriumClientError)? 151 + } else { 152 + OAuthClient::new(OAuthClientConfig { 153 + client_metadata: AtprotoLocalhostClientMetadata { 154 + redirect_uris: Some(vec![String::from("http://127.0.0.1:9997/authorized")]), 155 + scopes: Some(READONLY_SCOPE.to_vec()), 156 + }, 157 + keys: None, 158 + resolver, 159 + state_store, 160 + session_store, 161 + }) 162 + .map_err(AuthSetupError::AtriumClientError)? 163 + }; 116 164 117 165 Ok(Self { 118 166 client: Arc::new(client), 119 167 did_resolver: Arc::new(did_resolver()), 120 168 }) 169 + } 170 + 171 + pub fn client_metadata(&self) -> OAuthClientMetadata { 172 + self.client.client_metadata.clone() 173 + } 174 + 175 + pub fn jwks(&self) -> JwkSet { 176 + self.client.jwks() 121 177 } 122 178 123 179 pub async fn begin(&self, handle: &str) -> Result<String, atrium_oauth::Error> {
+150 -35
who-am-i/src/server.rs
··· 1 1 use atrium_api::types::string::Did; 2 + use atrium_oauth::OAuthClientMetadata; 2 3 use axum::{ 3 4 Router, 4 - extract::{FromRef, Query, State}, 5 + extract::{FromRef, Json as ExtractJson, Query, State}, 5 6 http::{ 6 7 StatusCode, 7 - header::{CONTENT_SECURITY_POLICY, CONTENT_TYPE, HeaderMap, REFERER, X_FRAME_OPTIONS}, 8 + header::{CONTENT_SECURITY_POLICY, CONTENT_TYPE, HeaderMap, ORIGIN, REFERER}, 8 9 }, 9 10 response::{IntoResponse, Json, Redirect, Response}, 10 11 routing::{get, post}, 11 12 }; 12 - use axum_extra::extract::cookie::{Cookie, Key, SameSite, SignedCookieJar}; 13 + use axum_extra::extract::cookie::{Cookie, Expiration, Key, SameSite, SignedCookieJar}; 13 14 use axum_template::{RenderHtml, engine::Engine}; 14 15 use handlebars::{Handlebars, handlebars_helper}; 16 + use jose_jwk::JwkSet; 17 + use std::path::PathBuf; 15 18 16 19 use serde::Deserialize; 17 20 use serde_json::{Value, json}; 18 21 use std::collections::HashSet; 19 22 use std::sync::Arc; 20 - use std::time::Duration; 23 + use std::time::{Duration, SystemTime}; 21 24 use tokio::net::TcpListener; 22 25 use tokio_util::sync::CancellationToken; 23 26 use url::Url; 24 27 25 - use crate::{ExpiringTaskMap, OAuth, OAuthCallbackParams, OAuthCompleteError, ResolveHandleError}; 28 + use crate::{ 29 + ExpiringTaskMap, OAuth, OAuthCallbackParams, OAuthCompleteError, ResolveHandleError, Tokens, 30 + }; 26 31 27 32 const FAVICON: &[u8] = include_bytes!("../static/favicon.ico"); 28 33 const STYLE_CSS: &str = include_str!("../static/style.css"); 29 34 35 + const HELLO_COOKIE_KEY: &str = "hello-who-am-i"; 30 36 const DID_COOKIE_KEY: &str = "did"; 31 37 32 38 const COOKIE_EXPIRATION: Duration = Duration::from_secs(30 * 86_400); ··· 41 47 pub oauth: Arc<OAuth>, 42 48 pub resolve_handles: ExpiringTaskMap<Result<String, ResolveHandleError>>, 43 49 pub shutdown: CancellationToken, 50 + pub tokens: Arc<Tokens>, 44 51 } 45 52 46 53 impl FromRef<AppState> for Key { ··· 49 56 } 50 57 } 51 58 59 + #[allow(clippy::too_many_arguments)] 52 60 pub async fn serve( 53 61 shutdown: CancellationToken, 54 62 app_secret: String, 63 + oauth_private_key: Option<PathBuf>, 64 + tokens: Tokens, 65 + base: String, 66 + bind: String, 55 67 allowed_hosts: Vec<String>, 56 68 dev: bool, 57 69 ) { ··· 66 78 // clients have to pick up their identity-resolving tasks within this period 67 79 let task_pickup_expiration = Duration::from_secs(15); 68 80 69 - let oauth = OAuth::new().unwrap(); 81 + let oauth = OAuth::new(oauth_private_key, base).unwrap(); 70 82 71 83 let state = AppState { 72 84 engine: Engine::new(hbs), ··· 75 87 oauth: Arc::new(oauth), 76 88 resolve_handles: ExpiringTaskMap::new(task_pickup_expiration), 77 89 shutdown: shutdown.clone(), 90 + tokens: Arc::new(tokens), 78 91 }; 79 92 80 93 let app = Router::new() ··· 82 95 .route("/favicon.ico", get(favicon)) // todo MIME 83 96 .route("/style.css", get(css)) 84 97 .route("/prompt", get(prompt)) 85 - .route("/user-info", get(user_info)) 98 + .route("/user-info", post(user_info)) 99 + .route("/client-metadata.json", get(client_metadata)) 86 100 .route("/auth", get(start_oauth)) 87 101 .route("/authorized", get(complete_oauth)) 88 102 .route("/disconnect", post(disconnect)) 103 + .route("/.well-known/jwks.json", get(jwks)) 89 104 .with_state(state); 90 105 91 - let listener = TcpListener::bind("0.0.0.0:9997") 106 + eprintln!("starting server at http://{bind}"); 107 + let listener = TcpListener::bind(bind) 92 108 .await 93 109 .expect("listener binding to work"); 94 110 ··· 98 114 .unwrap(); 99 115 } 100 116 117 + #[derive(Debug, Deserialize)] 118 + struct HelloQuery { 119 + auth_reload: Option<String>, 120 + auth_failed: Option<String>, 121 + } 101 122 async fn hello( 102 123 State(AppState { 103 124 engine, ··· 106 127 oauth, 107 128 .. 108 129 }): State<AppState>, 130 + Query(params): Query<HelloQuery>, 109 131 mut jar: SignedCookieJar, 110 132 ) -> Response { 133 + let is_auth_reload = params.auth_reload.is_some(); 134 + let auth_failed = params.auth_failed.is_some(); 135 + let no_cookie = jar.get(HELLO_COOKIE_KEY).is_none(); 136 + jar = jar.add(hello_cookie()); 137 + 111 138 let info = if let Some(did) = jar.get(DID_COOKIE_KEY) { 112 139 if let Ok(did) = Did::new(did.value_trimmed().to_string()) { 113 140 // push cookie expiry ··· 123 150 json!({ 124 151 "did": did, 125 152 "fetch_key": fetch_key, 153 + "is_auth_reload": is_auth_reload, 154 + "auth_failed": auth_failed, 155 + "no_cookie": no_cookie, 126 156 }) 127 157 } else { 128 158 jar = jar.remove(DID_COOKIE_KEY); 129 - json!({}) 159 + json!({ 160 + "is_auth_reload": is_auth_reload, 161 + "auth_failed": auth_failed, 162 + "no_cookie": no_cookie, 163 + }) 130 164 } 131 165 } else { 132 - json!({}) 166 + json!({ 167 + "is_auth_reload": is_auth_reload, 168 + "auth_failed": auth_failed, 169 + "no_cookie": no_cookie, 170 + }) 133 171 }; 134 - let frame_headers = [ 135 - (X_FRAME_OPTIONS, "deny"), 136 - (CONTENT_SECURITY_POLICY, "frame-ancestors 'none'"), 137 - ]; 172 + let frame_headers = [(CONTENT_SECURITY_POLICY, "frame-ancestors 'none'")]; 138 173 (frame_headers, jar, RenderHtml("hello", engine, info)).into_response() 139 174 } 140 175 ··· 150 185 ([(CONTENT_TYPE, "image/x-icon")], FAVICON) 151 186 } 152 187 188 + fn hello_cookie() -> Cookie<'static> { 189 + Cookie::build((HELLO_COOKIE_KEY, "hiiii")) 190 + .http_only(true) 191 + .secure(true) 192 + .same_site(SameSite::None) 193 + .expires(Expiration::DateTime( 194 + (SystemTime::now() + COOKIE_EXPIRATION).into(), 195 + )) // wtf safari needs this to not be a session cookie?? 196 + .max_age(COOKIE_EXPIRATION.try_into().unwrap()) 197 + .path("/") 198 + .into() 199 + } 200 + 153 201 fn cookie(did: &Did) -> Cookie<'static> { 154 202 Cookie::build((DID_COOKIE_KEY, did.to_string())) 155 203 .http_only(true) 156 204 .secure(true) 157 205 .same_site(SameSite::None) 206 + .expires(Expiration::DateTime( 207 + (SystemTime::now() + COOKIE_EXPIRATION).into(), 208 + )) // wtf safari needs this to not be a session cookie?? 158 209 .max_age(COOKIE_EXPIRATION.try_into().unwrap()) 210 + .path("/") 159 211 .into() 160 212 } 161 213 214 + #[derive(Debug, Deserialize)] 215 + struct PromptQuery { 216 + // this must *ONLY* be used for the postmessage target origin 217 + app: Option<String>, 218 + } 162 219 async fn prompt( 163 220 State(AppState { 164 221 allowed_hosts, ··· 166 223 oauth, 167 224 resolve_handles, 168 225 shutdown, 226 + tokens, 169 227 .. 170 228 }): State<AppState>, 229 + Query(params): Query<PromptQuery>, 171 230 jar: SignedCookieJar, 172 231 headers: HeaderMap, 173 232 ) -> impl IntoResponse { 174 - let err = |reason, check_frame| { 233 + let err = |reason, check_frame, detail| { 175 234 metrics::counter!("whoami_auth_prompt", "ok" => "false", "reason" => reason).increment(1); 176 - let info = json!({ "reason": reason, "check_frame": check_frame }); 235 + let info = json!({ 236 + "reason": reason, 237 + "check_frame": check_frame, 238 + "detail": detail, 239 + }); 177 240 let html = RenderHtml("prompt-error", engine.clone(), info); 178 241 (StatusCode::BAD_REQUEST, html).into_response() 179 242 }; 180 243 181 - let Some(referrer) = headers.get(REFERER) else { 182 - return err("Missing referer", true); 244 + let Some(parent) = headers.get(ORIGIN).or_else(|| { 245 + eprintln!("referrer fallback"); 246 + // TODO: referer should only be used for localhost?? 247 + headers.get(REFERER) 248 + }) else { 249 + return err("Missing origin and no referrer for fallback", true, None); 183 250 }; 184 - let Ok(referrer) = referrer.to_str() else { 185 - return err("Unreadable referer", true); 251 + let Ok(parent) = parent.to_str() else { 252 + return err("Unreadable origin or referrer", true, None); 186 253 }; 187 - let Ok(url) = Url::parse(referrer) else { 188 - return err("Bad referer", true); 254 + eprintln!( 255 + "rolling with parent: {parent:?} (from origin? {})", 256 + headers.get(ORIGIN).is_some() 257 + ); 258 + let Ok(url) = Url::parse(parent) else { 259 + return err("Bad origin or referrer", true, None); 189 260 }; 190 261 let Some(parent_host) = url.host_str() else { 191 - return err("Referer missing host", true); 262 + return err("Origin or referrer missing host", true, None); 192 263 }; 193 264 if !allowed_hosts.contains(parent_host) { 194 - return err("Login is not allowed on this page", false); 265 + return err( 266 + "Login is not allowed on this page", 267 + false, 268 + Some(parent_host), 269 + ); 270 + } 271 + if let Some(ref app) = params.app 272 + && !allowed_hosts.contains(app) 273 + { 274 + return err("Login is not allowed for this app", false, Some(app)); 195 275 } 196 276 let parent_origin = url.origin().ascii_serialization(); 197 277 if parent_origin == "null" { 198 - return err("Referer origin is opaque", true); 278 + return err("Origin or referrer header value is opaque", true, None); 199 279 } 200 280 201 - let frame_headers = [ 202 - (X_FRAME_OPTIONS, format!("allow-from {parent_origin}")), 203 - ( 204 - CONTENT_SECURITY_POLICY, 205 - format!("frame-ancestors {parent_origin}"), 206 - ), 207 - ]; 281 + let all_allowed = allowed_hosts 282 + .iter() 283 + .map(|h| format!("https://{h}")) 284 + .collect::<Vec<_>>() 285 + .join(" "); 286 + let csp = format!("frame-ancestors 'self' {parent_origin} {all_allowed}"); 287 + let frame_headers = [(CONTENT_SECURITY_POLICY, &csp)]; 208 288 209 289 if let Some(did) = jar.get(DID_COOKIE_KEY) { 210 290 let Ok(did) = Did::new(did.value_trimmed().to_string()) else { 211 - return err("Bad cookie", false); 291 + return err("Bad cookie", false, None); 212 292 }; 213 293 214 294 // push cookie expiry 215 295 let jar = jar.add(cookie(&did)); 216 296 297 + let token = match tokens.mint(&*did) { 298 + Ok(t) => t, 299 + Err(e) => { 300 + eprintln!("failed to create JWT: {e:?}"); 301 + return err("failed to create JWT", false, None); 302 + } 303 + }; 304 + 217 305 let fetch_key = resolve_handles.dispatch( 218 306 { 219 307 let oauth = oauth.clone(); ··· 226 314 metrics::counter!("whoami_auth_prompt", "ok" => "true", "known" => "true").increment(1); 227 315 let info = json!({ 228 316 "did": did, 317 + "token": token, 229 318 "fetch_key": fetch_key, 230 319 "parent_host": parent_host, 231 320 "parent_origin": parent_origin, 321 + "parent_target": params.app.map(|h| format!("https://{h}")), 232 322 }); 233 323 (frame_headers, jar, RenderHtml("prompt", engine, info)).into_response() 234 324 } else { ··· 242 332 } 243 333 244 334 #[derive(Debug, Deserialize)] 245 - #[serde(rename_all = "kebab-case")] 246 335 struct UserInfoParams { 247 336 fetch_key: String, 248 337 } ··· 250 339 State(AppState { 251 340 resolve_handles, .. 252 341 }): State<AppState>, 253 - Query(params): Query<UserInfoParams>, 342 + ExtractJson(params): ExtractJson<UserInfoParams>, 254 343 ) -> impl IntoResponse { 255 344 let err = |status, reason: &str| { 256 345 metrics::counter!("whoami_user_info", "found" => "false", "reason" => reason.to_string()) ··· 292 381 } 293 382 } 294 383 384 + async fn client_metadata( 385 + State(AppState { oauth, .. }): State<AppState>, 386 + ) -> Json<OAuthClientMetadata> { 387 + Json(oauth.client_metadata()) 388 + } 389 + 295 390 #[derive(Debug, Deserialize)] 296 391 struct BeginOauthParams { 297 392 handle: String, ··· 340 435 resolve_handles, 341 436 oauth, 342 437 shutdown, 438 + tokens, 343 439 .. 344 440 }): State<AppState>, 345 441 Query(params): Query<OAuthCallbackParams>, ··· 386 482 387 483 let jar = jar.add(cookie(&did)); 388 484 485 + let token = match tokens.mint(&*did) { 486 + Ok(t) => t, 487 + Err(e) => { 488 + eprintln!("failed to create JWT: {e:?}"); 489 + return err( 490 + StatusCode::INTERNAL_SERVER_ERROR, 491 + "fail", 492 + "failed to create JWT", 493 + ); 494 + } 495 + }; 496 + 389 497 let fetch_key = resolve_handles.dispatch( 390 498 { 391 499 let oauth = oauth.clone(); ··· 398 506 metrics::counter!("whoami_auth_complete", "ok" => "true").increment(1); 399 507 let info = json!({ 400 508 "did": did, 509 + "token": token, 401 510 "fetch_key": fetch_key, 402 511 }); 403 512 (jar, RenderHtml("authorized", engine, info)).into_response() ··· 408 517 let jar = jar.remove(DID_COOKIE_KEY); 409 518 (jar, Json(json!({ "ok": true }))) 410 519 } 520 + 521 + async fn jwks(State(AppState { oauth, tokens, .. }): State<AppState>) -> Json<JwkSet> { 522 + let mut jwks = oauth.jwks(); 523 + jwks.keys.push(tokens.jwk()); 524 + Json(jwks) 525 + }
+24 -1
who-am-i/static/style.css
··· 12 12 overflow: hidden; 13 13 display: flex; 14 14 flex-direction: column; 15 - height: 100vh; 15 + min-height: 100vh; 16 16 } 17 17 .wrap.unframed { 18 18 border-radius: 0; ··· 60 60 max-width: 21rem; 61 61 } 62 62 63 + .explain { 64 + border-bottom: 1px dashed #888; 65 + margin-bottom: 1rem; 66 + padding-bottom: 2rem; 67 + } 68 + .explain p { 69 + text-align: left; 70 + } 71 + 63 72 #error-message { 64 73 font-size: 0.8rem; 65 74 color: #a31; ··· 77 86 p.detail { 78 87 font-size: 0.8rem; 79 88 } 89 + p.detail.no { 90 + font-style: italic; 91 + } 80 92 .parent-host { 81 93 font-weight: bold; 82 94 color: #48c; ··· 153 165 color: #285; 154 166 } 155 167 168 + #need-storage { 169 + font-size: 0.8rem; 170 + } 171 + .problem { 172 + color: #a31; 173 + } 174 + 156 175 #or { 157 176 font-size: 0.8rem; 158 177 text-align: center; ··· 170 189 .hidden { 171 190 display: none !important; 172 191 } 192 + 193 + .hello-connect-plz { 194 + margin: 1.667rem 0 0.667rem; 195 + }
+6 -1
who-am-i/templates/authorized.hbs
··· 1 1 <!doctype html> 2 + <meta charset="utf-8" /> 3 + <title>great job!</title> 2 4 3 - <p>oh sick. hey {{ did }}. you can close this window now.</p> 5 + <h1>oauth success!</h1> 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........... ··· 8 11 localStorage.setItem("who-am-i", JSON.stringify({ 9 12 result: "success", 10 13 did: {{{json did}}}, 14 + token: {{{json token}}}, 11 15 fetch_key: {{{json fetch_key}}}, 12 16 })); 17 + // TODO: probably also wait for a reply from the frame and show an error if not 13 18 window.close(); 14 19 </script>
+54 -6
who-am-i/templates/hello.hbs
··· 2 2 3 3 {{#*inline "main"}} 4 4 <div class="mini-content"> 5 - This is a little identity-verifying service for microcosm demos. 5 + <div class="explain"> 6 + <p>This is a little identity-verifying service for microcosm demos.</p> 7 + <p>Only <strong>read access to your public data</strong> is required to connect: connecting does not grant any ability to modify your account or data.</p> 8 + </div> 6 9 7 10 {{#if did}} 8 11 <p id="error-message" class="hidden"></p> ··· 38 41 ({{{json did}}}) && (async () => { 39 42 40 43 const handle = await lookUp({{{json fetch_key}}}); 41 - console.log('got handle', handle); 42 44 43 45 loaderEl.classList.add('hidden'); 44 46 handleViewEl.textContent = `@${handle}`; ··· 49 51 } catch (e) { 50 52 err(e, 'failed to clear session, sorry'); 51 53 } 52 - window.location.reload(); 54 + window.location.replace(location.pathname); 55 + window.location.reload(); // backup, in case there is no query? 53 56 }); 54 57 })(); 55 58 56 59 async function lookUp(fetch_key) { 57 - const user_info = new URL('/user-info', window.location); 58 - user_info.searchParams.set('fetch-key', fetch_key); 59 60 let info; 60 61 try { 61 - const resp = await fetch(user_info); 62 + const resp = await fetch('/user-info', { 63 + method: 'POST', 64 + headers: {'Content-Type': 'application/json'}, 65 + body: JSON.stringify({ fetch_key }), 66 + }); 62 67 if (!resp.ok) throw resp; 63 68 info = await resp.json(); 64 69 } catch (e) { ··· 67 72 return info.handle; 68 73 } 69 74 </script> 75 + {{else}} 76 + 77 + <p class="hello-connect-plz">Connect your handle</p> 78 + 79 + {{#if is_auth_reload}} 80 + {{#if no_cookie}} 81 + <p id="prompt" class="detail no"> 82 + No identity connected. Your browser may be blocking access for connecting. 83 + </p> 84 + {{else}} 85 + {{#if auth_failed}} 86 + <p id="prompt" class="detail no"> 87 + No identity connected. Connecting failed or was denied. 88 + </p> 89 + {{else}} 90 + <p id="prompt" class="detail no"> 91 + No identity connected. 92 + </p> 93 + {{/if}} 94 + {{/if}} 95 + {{/if}} 96 + 97 + <div id="user-info"> 98 + <form id="form-action" action="/auth" target="_blank" method="GET" class="action {{#if did}}hidden{{/if}}"> 99 + <label> 100 + @<input id="handle-input" class="handle" name="handle" placeholder="example.bsky.social" /> 101 + </label> 102 + <button id="connect" type="submit">connect</button> 103 + </form> 104 + </div> 70 105 {{/if}} 106 + 71 107 </div> 108 + <script> 109 + window.addEventListener('storage', e => { 110 + console.log('eyyy got storage', e); 111 + if (e.key !== 'who-am-i') return; 112 + if (!e.newValue) return; 113 + if (e.newValue.result === 'success') { 114 + window.location = '/?auth_reload=1'; 115 + } else { 116 + window.location = '/?auth_reload=1&auth_failed=1'; 117 + } 118 + }); 119 + </script> 72 120 {{/inline}} 73 121 74 122 {{#> 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 + <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>
+69 -27
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 - <span class="parent-host">{{ parent_host }}</span> would like to confirm your handle 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 + <div id="need-storage" class="hidden"> 31 + <p class="problem">Sorry, your browser is blocking access.</p> 32 + <p> 33 + Try <a href="/" target="_blank">connecting directly</a> first (but no promises). 34 + Clicking <button id="desperation">this button</button> might also help. 35 + </p> 36 + </div> 37 + 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 + const needStorageEl = document.getElementById('need-storage'); // for safari/frame isolation 51 + const desperationEl = document.getElementById('desperation'); 42 52 43 53 function err(e, msg) { 44 54 loaderEl.classList.add('hidden'); ··· 49 59 50 60 // already-known user 51 61 ({{{json did}}}) && (async () => { 52 - 53 62 const handle = await lookUp({{{json fetch_key}}}); 54 - console.log('got handle', handle); 55 - 56 63 loaderEl.classList.add('hidden'); 57 64 handleViewEl.textContent = `@${handle}`; 58 - allowEl.addEventListener('click', () => shareAllow(handle)); 65 + allowEl.addEventListener('click', () => shareAllow(handle, {{{json token}}})); 59 66 })(); 60 67 61 68 // anon user ··· 69 76 window.open(url, '_blank'); 70 77 }; 71 78 79 + // check if we may be partitioned, preventing access after auth completion 80 + // this should only happen if on a browser that implements storage access api 81 + if ('hasStorageAccess' in document) { 82 + document.hasStorageAccess().then((hasAccess) => { 83 + if (!hasAccess) { 84 + promptEl.classList.add('hidden'); 85 + infoEl.classList.add('hidden'); 86 + needStorageEl.classList.remove('hidden'); 87 + desperation.addEventListener('click', () => { 88 + document.requestStorageAccess({ 89 + cookies: true, 90 + localStorage: true, 91 + }).then( 92 + () => { 93 + desperation.textContent = "(maybe helped?)"; 94 + setTimeout(() => location.reload(), 350); 95 + }, 96 + () => desperation.textContent = "(doubtful)", 97 + ); 98 + }) 99 + } 100 + }); 101 + } 102 + 72 103 window.addEventListener('storage', async e => { 73 104 // here's a fun minor vuln: we can't tell which flow triggers the storage event. 74 105 // so if you have two flows going, it grants for both (or the first responder?) if you grant for either. 75 106 // (letting this slide while parent pages are allowlisted to microcosm only) 76 107 77 - const fail = (e, msg) => { 78 - loaderEl.classList.add('hidden'); 79 - formEl.classList.remove('hidden'); 80 - handleInputEl.focus(); 81 - handleInputEl.select(); 82 - err(e, msg); 83 - } 108 + if (e.key !== 'who-am-i') return; 109 + if (e.newValue === null) return; 84 110 85 - const details = localStorage.getItem("who-am-i"); 111 + const details = e.newValue; 86 112 if (!details) { 87 - console.error("hmm, heard from localstorage but did not get DID"); 88 - return; 113 + console.error("hmm, heard from localstorage but did not get DID", details, e); 114 + err('sorry, something went wrong getting your details'); 89 115 } 90 - localStorage.removeItem("who-am-i"); 91 116 92 117 let parsed; 93 118 try { ··· 96 121 err(e, "something went wrong getting the details back"); 97 122 } 98 123 124 + const fail = (e, msg) => { 125 + loaderEl.classList.add('hidden'); 126 + formEl.classList.remove('hidden'); 127 + handleInputEl.focus(); 128 + handleInputEl.select(); 129 + err(e, msg); 130 + } 131 + 99 132 if (parsed.result === "fail") { 100 133 fail(`uh oh: ${parsed.reason}`); 101 134 } ··· 108 141 109 142 const handle = await lookUp(parsed.fetch_key); 110 143 111 - shareAllow(handle); 144 + shareAllow(handle, parsed.token); 112 145 }); 113 146 114 147 async function lookUp(fetch_key) { 115 - const user_info = new URL('/user-info', window.location); 116 - user_info.searchParams.set('fetch-key', fetch_key); 117 148 let info; 118 149 try { 119 - const resp = await fetch(user_info); 150 + const resp = await fetch('/user-info', { 151 + method: 'POST', 152 + headers: { 'Content-Type': 'application/json' }, 153 + body: JSON.stringify({ fetch_key }), 154 + }); 120 155 if (!resp.ok) throw resp; 121 156 info = await resp.json(); 122 157 } catch (e) { 123 - err(e, 'failed to resolve handle from DID') 158 + err(e, `failed to resolve handle from DID with ${fetch_key}`); 124 159 } 125 160 return info.handle; 126 161 } 127 162 128 - const shareAllow = handle => { 129 - top.postMessage( 130 - { action: "allow", handle }, 131 - {{{json parent_origin}}}, 132 - ); 163 + const parentTarget = {{{json parent_target}}} ?? {{{json parent_origin}}}; 164 + 165 + const shareAllow = (handle, token) => { 166 + try { 167 + top.postMessage( 168 + { action: "allow", handle, token }, 169 + parentTarget, 170 + ); 171 + } catch (e) { 172 + err(e, 'Identity verified but failed to connect with app'); 173 + }; 174 + promptEl.textContent = '✔️ shared'; 133 175 } 134 176 135 177 const shareDeny = reason => { 136 178 top.postMessage( 137 179 { action: "deny", reason }, 138 - {{{json parent_origin}}}, 180 + parentTarget, 139 181 ); 140 182 } 141 183 </script>