Compare commits

...

27 Commits
0.7.2 ... 0.7.8

Author SHA1 Message Date
Greg Heartsfield
9be04120c7 build: bump version to 0.7.8 2022-12-17 12:01:43 -06:00
Greg Heartsfield
cc06167e06 perf: add composite index for tag table 2022-12-17 12:01:20 -06:00
Greg Heartsfield
b6e33f044f improvement: limit db connection max lifetime 2022-12-17 10:47:35 -06:00
Greg Heartsfield
1b2c6f9fca build: bump version to 0.7.7 2022-12-17 10:09:44 -06:00
Greg Heartsfield
0d8d39ad22 feat: add rate limiting setting for subscription creation 2022-12-17 09:27:29 -06:00
Greg Heartsfield
0e851d4f71 build: bump version to 0.7.6 2022-12-17 07:51:57 -06:00
Greg Heartsfield
3c880b2f49 perf: pull distinct to outermost SQL 2022-12-17 07:49:28 -06:00
Greg Heartsfield
7a4c9266ec improvement: make hexsearch structs sortable 2022-12-17 07:49:05 -06:00
Greg Heartsfield
e8557d421b build: bump version to 0.7.5 2022-12-16 17:21:00 -06:00
Greg Heartsfield
7ca9c864f2 improvement: DB pool logging shows used connections directly 2022-12-16 17:01:49 -06:00
Greg Heartsfield
838aafd079 improvement: consistent log messages for client/sub ids 2022-12-16 15:22:27 -06:00
Greg Heartsfield
e554b10ac2 improvement: tweak sub/sql logging for slow queries 2022-12-16 14:55:45 -06:00
Greg Heartsfield
b0bfaa48fc improvement: ignore duplicate REQ messages 2022-12-16 14:37:02 -06:00
Greg Heartsfield
2e9b1b6ba7 docs: comment reason for force_no_match 2022-12-16 14:35:21 -06:00
Greg Heartsfield
4d9012d94c improvement: upgrade docker builder and base images 2022-12-16 14:33:08 -06:00
Greg Heartsfield
ffe7aac066 improvement: upgrade multiple dependencies
Updating aho-corasick v0.7.19 -> v0.7.20
Updating async-trait v0.1.58 -> v0.1.59
Updating axum v0.5.17 -> v0.6.1
Updating axum-core v0.2.9 -> v0.3.0
Updating bytes v1.2.1 -> v1.3.0
Updating cc v1.0.76 -> v1.0.78
Updating crossbeam-utils v0.8.12 -> v0.8.14
Updating cxx v1.0.82 -> v1.0.83
Updating cxx-build v1.0.82 -> v1.0.83
Updating cxxbridge-flags v1.0.82 -> v1.0.83
Updating cxxbridge-macro v1.0.82 -> v1.0.83
Updating flate2 v1.0.24 -> v1.0.25
Updating libc v0.2.137 -> v0.2.138
Updating matchit v0.5.0 -> v0.7.0
Updating miniz_oxide v0.5.4 -> v0.6.2
Updating openssl v0.10.42 -> v0.10.44
Updating openssl-sys v0.9.77 -> v0.9.79
Updating parking_lot_core v0.9.4 -> v0.9.5
Updating pest v2.4.1 -> v2.5.1
Updating pest_derive v2.4.1 -> v2.5.1
Updating pest_generator v2.4.1 -> v2.5.1
Updating pest_meta v2.4.1 -> v2.5.1
Updating prost v0.11.2 -> v0.11.3
Adding rustversion v1.0.9
Updating serde v1.0.147 -> v1.0.150
Updating serde_derive v1.0.147 -> v1.0.150
Updating serde_json v1.0.88 -> v1.0.89
Updating sha-1 v0.10.0 -> v0.10.1
Updating syn v1.0.103 -> v1.0.105
Updating tokio v1.22.0 -> v1.23.0
Updating tokio-macros v1.8.0 -> v1.8.2
Updating toml v0.5.9 -> v0.5.10
Updating tonic v0.8.2 -> v0.8.3
Updating tower-http v0.3.4 -> v0.3.5
Updating typenum v1.15.0 -> v1.16.0
2022-12-16 11:17:05 -06:00
Greg Heartsfield
f9695bd0a9 fix: db schema version updates correctly for v9 2022-12-16 10:01:49 -06:00
Greg Heartsfield
7c4bf5cc8f fix: run db migration for v9 2022-12-16 08:21:00 -06:00
Greg Heartsfield
e2de162931 feat: only show SQL in logs for slow queries unless tracing 2022-12-16 08:17:39 -06:00
Greg Heartsfield
4f606615eb perf: indexing improvement 2022-12-16 08:16:49 -06:00
Greg Heartsfield
84a58ebbcd build: bump version to 0.7.3 2022-12-16 06:32:00 -06:00
Greg Heartsfield
c48e45686d perf: schema updates for better event indexing 2022-12-15 08:48:35 -06:00
Greg Heartsfield
bbe359364a refactor: clippy warnings 2022-12-15 08:43:36 -06:00
Greg Heartsfield
9e9c494367 perf: significant query speedup when using kinds.
fixes: https://todo.sr.ht/~gheartsfield/nostr-rs-relay/51
2022-12-14 21:04:49 -06:00
Greg Heartsfield
5fa24bc9f1 fix: send EOSE when ids list is empty in subscriptions
Fixes: https://todo.sr.ht/~gheartsfield/nostr-rs-relay/50
2022-11-19 10:35:00 -06:00
Greg Heartsfield
4de7490d97 fix: send EOSE when authors list is empty in subscriptions
Fixes: https://todo.sr.ht/~gheartsfield/nostr-rs-relay/49
2022-11-19 10:00:38 -06:00
Greg Heartsfield
d0f63dc66e docs: update container instructions for rootless podman 2022-11-19 09:32:26 -06:00
12 changed files with 324 additions and 142 deletions

149
Cargo.lock generated
View File

@@ -27,9 +27,9 @@ dependencies = [
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@@ -125,9 +125,9 @@ dependencies = [
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@@ -393,9 +394,9 @@ dependencies = [
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checksum = "06416d667ff3e3ad2df1cd8cd8afae5da26cf9cec4d0825040f88b5ca659a2f0"
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@@ -408,15 +409,15 @@ dependencies = [
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version = "1.0.83"
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checksum = "ac040a39517fd1674e0f32177648334b0f4074625b5588a64519804ba0553b12"
[[package]]
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dependencies = [
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@@ -484,9 +485,9 @@ dependencies = [
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dependencies = [
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@@ -932,9 +933,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
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[[package]]
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@@ -1010,9 +1011,9 @@ dependencies = [
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checksum = "b87248edafb776e59e6ee64a79086f65890d3510f2c656c000bf2a7e8a0aea40"
[[package]]
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@@ -1034,9 +1035,9 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
[[package]]
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@@ -1095,7 +1096,7 @@ checksum = "38bf9645c8b145698bb0b18a4637dcacbc421ea49bef2317e4fd8065a387cf21"
[[package]]
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version = "0.5.9"
version = "0.5.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
checksum = "1333c76748e868a4d9d1017b5ab53171dfd095f70c712fdb4653a406547f598f"
dependencies = [
"serde",
]
[[package]]
name = "tonic"
version = "0.8.2"
version = "0.8.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "55b9af819e54b8f33d453655bef9b9acc171568fb49523078d0cc4e7484200ec"
checksum = "8f219fad3b929bef19b1f86fbc0358d35daed8f2cac972037ac0dc10bbb8d5fb"
dependencies = [
"async-stream",
"async-trait",
@@ -2147,9 +2154,9 @@ dependencies = [
[[package]]
name = "tower-http"
version = "0.3.4"
version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3c530c8675c1dbf98facee631536fa116b5fb6382d7dd6dc1b118d970eafe3ba"
checksum = "f873044bf02dd1e8239e9c1293ea39dad76dc594ec16185d0a1bf31d8dc8d858"
dependencies = [
"bitflags",
"bytes",
@@ -2305,9 +2312,9 @@ dependencies = [
[[package]]
name = "typenum"
version = "1.15.0"
version = "1.16.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
[[package]]
name = "ucd-trie"

View File

@@ -1,6 +1,6 @@
[package]
name = "nostr-rs-relay"
version = "0.7.2"
version = "0.7.8"
edition = "2021"
authors = ["Greg Heartsfield <scsibug@imap.cc>"]
description = "A relay implementation for the Nostr protocol"

View File

@@ -1,4 +1,4 @@
FROM docker.io/library/rust:1.65.0@sha256:1bca14676a365d0ed37a1e2a1da86c2bcf883fdf6e6886469434763d94d4afd5 as builder
FROM docker.io/library/rust:1.66.0@sha256:359949280cebefe93ccb33089fe25111a3aadfe99eac4b6cbe8ec3e1b571dacb as builder
RUN USER=root cargo install cargo-auditable
RUN USER=root cargo new --bin nostr-rs-relay
@@ -17,7 +17,7 @@ COPY ./src ./src
RUN rm ./target/release/deps/nostr*relay*
RUN cargo auditable build --release --locked
FROM docker.io/library/debian:bullseye-20221024-slim@sha256:76cdda8fe5eb597ef5e712e4c9a9f5f1fb119e69f353daaa7bd6d0f6e66e541d
FROM docker.io/library/debian:bullseye-20221205-slim@sha256:25f10b4f1ded5341a3ca0a30290ff3cd5639415f0c5a2222d5e7d5dd72952aa1
ARG APP=/usr/src/app
ARG APP_DATA=/usr/src/app/db

View File

@@ -1,8 +1,8 @@
# [nostr-rs-relay](https://git.sr.ht/~gheartsfield/nostr-rs-relay)
This is a [nostr](https://github.com/nostr-protocol/nostr) relay, written in
Rust. It currently supports the entire relay protocol, and has a
SQLite persistence layer.
This is a [nostr](https://github.com/nostr-protocol/nostr) relay,
written in Rust. It currently supports the entire relay protocol, and
persists data with SQLite.
The project master repository is available on
[sourcehut](https://sr.ht/~gheartsfield/nostr-rs-relay/), and is
@@ -37,15 +37,32 @@ application. Use a bind mount to store the SQLite database outside of
the container image, and map the container's 8080 port to a host port
(7000 in the example below).
The examples below start a rootless podman container, mapping a local
data directory and config file.
```console
$ docker build -t nostr-rs-relay .
$ podman build -t nostr-rs-relay .
$ docker run -it -p 7000:8080 \
--mount src=$(pwd)/data,target=/usr/src/app/db,type=bind nostr-rs-relay
$ mkdir data
[2021-12-31T19:58:31Z INFO nostr_rs_relay] listening on: 0.0.0.0:8080
[2021-12-31T19:58:31Z INFO nostr_rs_relay::db] opened database "/usr/src/app/db/nostr.db" for writing
[2021-12-31T19:58:31Z INFO nostr_rs_relay::db] DB version = 2
$ podman unshare chown 100:100 data
$ podman run -it --rm -p 7000:8080 \
--user=100:100 \
-v $(pwd)/data:/usr/src/app/db:Z \
-v $(pwd)/config.toml:/usr/src/app/config.toml:ro,Z \
--name nostr-relay nostr-rs-relay:latest
Nov 19 15:31:15.013 INFO nostr_rs_relay: Starting up from main
Nov 19 15:31:15.017 INFO nostr_rs_relay::server: listening on: 0.0.0.0:8080
Nov 19 15:31:15.019 INFO nostr_rs_relay::server: db writer created
Nov 19 15:31:15.019 INFO nostr_rs_relay::server: control message listener started
Nov 19 15:31:15.019 INFO nostr_rs_relay::db: Built a connection pool "event writer" (min=1, max=4)
Nov 19 15:31:15.019 INFO nostr_rs_relay::db: opened database "/usr/src/app/db/nostr.db" for writing
Nov 19 15:31:15.019 INFO nostr_rs_relay::schema: DB version = 0
Nov 19 15:31:15.054 INFO nostr_rs_relay::schema: database pragma/schema initialized to v7, and ready
Nov 19 15:31:15.054 INFO nostr_rs_relay::schema: All migration scripts completed successfully. Welcome to v7.
Nov 19 15:31:15.521 INFO nostr_rs_relay::db: Built a connection pool "client query" (min=4, max=128)
```
Use a `nostr` client such as

View File

@@ -65,6 +65,11 @@ reject_future_seconds = 1800
# an integer. If not set (or set to 0), defaults to unlimited.
#messages_per_sec = 0
# Limit client subscriptions created per second, averaged over one
# minute. Must be an integer. If not set (or set to 0), defaults to
# unlimited.
#subscriptions_per_min = 0
# Limit the maximum size of an EVENT message. Defaults to 128 KB.
# Set to 0 for unlimited.
#max_event_bytes = 131072

View File

@@ -52,7 +52,8 @@ pub struct Retention {
#[allow(unused)]
pub struct Limits {
pub messages_per_sec: Option<u32>, // Artificially slow down event writing to limit disk consumption (averaged over 1 minute)
pub max_event_bytes: Option<usize>, // Maximum size of an EVENT message
pub subscriptions_per_min: Option<u32>, // Artificially slow down request (db query) creation to prevent abuse (averaged over 1 minute)
pub max_event_bytes: Option<usize>, // Maximum size of an EVENT message
pub max_ws_message_bytes: Option<usize>,
pub max_ws_frame_bytes: Option<usize>,
pub broadcast_buffer: usize, // events to buffer for subscribers (prevents slow readers from consuming memory)
@@ -214,6 +215,7 @@ impl Default for Settings {
},
limits: Limits {
messages_per_sec: None,
subscriptions_per_min: None,
max_event_bytes: Some(2 << 17), // 128K
max_ws_message_bytes: Some(2 << 17), // 128K
max_ws_frame_bytes: Some(2 << 17), // 128K

View File

@@ -78,8 +78,12 @@ impl ClientConn {
// check if an existing subscription exists, and replace if so
if self.subscriptions.contains_key(&k) {
self.subscriptions.remove(&k);
self.subscriptions.insert(k, s);
debug!("replaced existing subscription");
self.subscriptions.insert(k, s.clone());
debug!(
"replaced existing subscription (cid: {}, sub: {:?})",
self.get_client_prefix(),
s.get_id()
);
return Ok(());
}
@@ -90,8 +94,9 @@ impl ClientConn {
// add subscription
self.subscriptions.insert(k, s);
debug!(
"registered new subscription, currently have {} active subs",
self.subscriptions.len()
"registered new subscription, currently have {} active subs (cid: {})",
self.subscriptions.len(),
self.get_client_prefix(),
);
Ok(())
}
@@ -101,7 +106,7 @@ impl ClientConn {
// TODO: return notice if subscription did not exist.
self.subscriptions.remove(&c.id);
debug!(
"removed subscription, currently have {} active subs (cid={})",
"removed subscription, currently have {} active subs (cid: {})",
self.subscriptions.len(),
self.get_client_prefix(),
);

View File

@@ -76,6 +76,7 @@ pub fn build_pool(
.test_on_check_out(true) // no noticeable performance hit
.min_idle(Some(min_size))
.max_size(max_size)
.max_lifetime(Some(Duration::from_secs(60)))
.build(manager)
.unwrap();
info!(
@@ -428,14 +429,13 @@ fn query_from_filter(f: &ReqFilter) -> (String, Vec<Box<dyn ToSql>>) {
// if the filter is malformed, don't return anything.
if f.force_no_match {
let empty_query =
"SELECT DISTINCT(e.content), e.created_at FROM event e WHERE 1=0".to_owned();
let empty_query = "SELECT e.content, e.created_at FROM event e WHERE 1=0".to_owned();
// query parameters for SQLite
let empty_params: Vec<Box<dyn ToSql>> = vec![];
return (empty_query, empty_params);
}
let mut query = "SELECT DISTINCT(e.content), e.created_at FROM event e ".to_owned();
let mut query = "SELECT e.content, e.created_at FROM event e".to_owned();
// query parameters for SQLite
let mut params: Vec<Box<dyn ToSql>> = vec![];
@@ -471,8 +471,14 @@ fn query_from_filter(f: &ReqFilter) -> (String, Vec<Box<dyn ToSql>>) {
}
}
}
let authors_clause = format!("({})", auth_searches.join(" OR "));
filter_components.push(authors_clause);
if !authvec.is_empty() {
let authors_clause = format!("({})", auth_searches.join(" OR "));
filter_components.push(authors_clause);
} else {
// if the authors list was empty, we should never return
// any results.
filter_components.push("false".to_owned());
}
}
// Query for Kind
if let Some(ks) = &f.kinds {
@@ -505,8 +511,14 @@ fn query_from_filter(f: &ReqFilter) -> (String, Vec<Box<dyn ToSql>>) {
}
}
}
let id_clause = format!("({})", id_searches.join(" OR "));
filter_components.push(id_clause);
if !idvec.is_empty() {
let id_clause = format!("({})", id_searches.join(" OR "));
filter_components.push(id_clause);
} else {
// if the ids list was empty, we should never return
// any results.
filter_components.push("false".to_owned());
}
}
// Query for tags
if let Some(map) = &f.tags {
@@ -579,13 +591,21 @@ fn query_from_sub(sub: &Subscription) -> (String, Vec<Box<dyn ToSql>>) {
// encapsulate subqueries into select statements
let subqueries_selects: Vec<String> = subqueries
.iter()
.map(|s| format!("SELECT content, created_at FROM ({})", s))
.map(|s| format!("SELECT distinct content, created_at FROM ({})", s))
.collect();
let query: String = subqueries_selects.join(" UNION ");
trace!("final query string: {}", query);
(query, params)
}
fn log_pool_stats(pool: &SqlitePool) {
let state: r2d2::State = pool.state();
let in_use_cxns = state.connections - state.idle_connections;
debug!(
"DB pool usage (in_use: {}, available: {})",
in_use_cxns, state.connections
);
}
/// Perform a database query using a subscription.
///
/// The [`Subscription`] is converted into a SQL query. Each result
@@ -600,14 +620,15 @@ pub async fn db_query(
mut abandon_query_rx: tokio::sync::oneshot::Receiver<()>,
) {
task::spawn_blocking(move || {
trace!("going to query for: {:?}", sub);
let mut row_count: usize = 0;
let start = Instant::now();
// generate SQL query
let (q, p) = query_from_sub(&sub);
trace!("SQL generated in {:?}", start.elapsed());
// show pool stats
debug!("DB pool stats: {:?}", pool.state());
log_pool_stats(&pool);
// cutoff for displaying slow queries
let slow_cutoff = Duration::from_millis(1000);
let start = Instant::now();
if let Ok(conn) = pool.get() {
// execute the query. Don't cache, since queries vary so much.
@@ -616,18 +637,36 @@ pub async fn db_query(
let mut first_result = true;
while let Some(row) = event_rows.next()? {
if first_result {
let first_result_elapsed = start.elapsed();
// logging for slow queries; show sub and SQL
if first_result_elapsed >= slow_cutoff {
info!(
"going to query for: {:?} (cid: {}, sub: {:?})",
sub, client_id, sub.id
);
info!(
"final query string (slow): {} (cid: {}, sub: {:?})",
q, client_id, sub.id
);
} else {
trace!(
"going to query for: {:?} (cid: {}, sub: {:?})",
sub,
client_id,
sub.id
);
trace!("final query string: {}", q);
}
debug!(
"time to first result: {:?} (cid={}, sub={:?})",
start.elapsed(),
client_id,
sub.id
"first result in {:?} (cid: {}, sub: {:?})",
first_result_elapsed, client_id, sub.id
);
first_result = false;
}
// check if this is still active
// TODO: check every N rows
if abandon_query_rx.try_recv().is_ok() {
debug!("query aborted (sub={:?})", sub.id);
debug!("query aborted (cid: {}, sub: {:?})", client_id, sub.id);
return Ok(());
}
row_count += 1;
@@ -646,11 +685,11 @@ pub async fn db_query(
})
.ok();
debug!(
"query completed ({} rows) in {:?} (cid={}, sub={:?})",
row_count,
"query completed in {:?} (cid: {}, sub: {:?}, rows: {})",
start.elapsed(),
client_id,
sub.id
sub.id,
row_count
);
} else {
warn!("Could not get a database connection for querying");

View File

@@ -3,7 +3,7 @@ use crate::utils::is_hex;
use hex;
/// Types of hexadecimal queries.
#[derive(PartialEq, Eq, Debug, Clone)]
#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone)]
pub enum HexSearch {
// when no range is needed, exact 32-byte
Exact(Vec<u8>),

View File

@@ -20,7 +20,7 @@ pragma mmap_size = 536870912; -- 512MB of mmap
"##;
/// Latest database version
pub const DB_VERSION: usize = 7;
pub const DB_VERSION: usize = 10;
/// Schema definition
const INIT_SQL: &str = formatcp!(
@@ -48,10 +48,10 @@ content TEXT NOT NULL -- serialized json of event object
-- Event Indexes
CREATE UNIQUE INDEX IF NOT EXISTS event_hash_index ON event(event_hash);
CREATE INDEX IF NOT EXISTS created_at_index ON event(created_at);
CREATE INDEX IF NOT EXISTS author_index ON event(author);
CREATE INDEX IF NOT EXISTS created_at_index ON event(created_at);
CREATE INDEX IF NOT EXISTS delegated_by_index ON event(delegated_by);
CREATE INDEX IF NOT EXISTS kind_index ON event(kind);
CREATE INDEX IF NOT EXISTS event_composite_index ON event(kind,created_at);
-- Tag Table
-- Tag values are stored as either a BLOB (if they come in as a
@@ -67,6 +67,7 @@ FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS tag_val_index ON tag(value);
CREATE INDEX IF NOT EXISTS tag_val_hex_index ON tag(value_hex);
CREATE INDEX IF NOT EXISTS tag_composite_index ON tag(event_id,name,value_hex,value);
-- NIP-05 User Validation
CREATE TABLE IF NOT EXISTS user_verification (
@@ -157,6 +158,15 @@ pub fn upgrade_db(conn: &mut PooledConnection) -> Result<()> {
if curr_version == 6 {
curr_version = mig_6_to_7(conn)?;
}
if curr_version == 7 {
curr_version = mig_7_to_8(conn)?;
}
if curr_version == 8 {
curr_version = mig_8_to_9(conn)?;
}
if curr_version == 9 {
curr_version = mig_9_to_10(conn)?;
}
if curr_version == DB_VERSION {
info!(
"All migration scripts completed successfully. Welcome to v{}.",
@@ -373,3 +383,63 @@ PRAGMA user_version = 7;
}
Ok(7)
}
fn mig_7_to_8(conn: &mut PooledConnection) -> Result<usize> {
info!("database schema needs update from 7->8");
// Remove redundant indexes, and add a better multi-column index.
let upgrade_sql = r##"
DROP INDEX IF EXISTS created_at_index;
DROP INDEX IF EXISTS kind_index;
CREATE INDEX IF NOT EXISTS event_composite_index ON event(kind,created_at);
PRAGMA user_version = 8;
"##;
match conn.execute_batch(upgrade_sql) {
Ok(()) => {
info!("database schema upgraded v7 -> v8");
}
Err(err) => {
error!("update failed: {}", err);
panic!("database could not be upgraded");
}
}
Ok(8)
}
fn mig_8_to_9(conn: &mut PooledConnection) -> Result<usize> {
info!("database schema needs update from 8->9");
// Those old indexes were actually helpful...
let upgrade_sql = r##"
CREATE INDEX IF NOT EXISTS created_at_index ON event(created_at);
CREATE INDEX IF NOT EXISTS event_composite_index ON event(kind,created_at);
PRAGMA user_version = 9;
"##;
match conn.execute_batch(upgrade_sql) {
Ok(()) => {
info!("database schema upgraded v8 -> v9");
}
Err(err) => {
error!("update failed: {}", err);
panic!("database could not be upgraded");
}
}
Ok(9)
}
fn mig_9_to_10(conn: &mut PooledConnection) -> Result<usize> {
info!("database schema needs update from 9->10");
// Those old indexes were actually helpful...
let upgrade_sql = r##"
CREATE INDEX IF NOT EXISTS tag_composite_index ON tag(event_id,name,value_hex,value);
PRAGMA user_version = 10;
"##;
match conn.execute_batch(upgrade_sql) {
Ok(()) => {
info!("database schema upgraded v9 -> v10");
}
Err(err) => {
error!("update failed: {}", err);
panic!("database could not be upgraded");
}
}
Ok(10)
}

View File

@@ -14,6 +14,7 @@ use crate::notice::Notice;
use crate::subscription::Subscription;
use futures::SinkExt;
use futures::StreamExt;
use governor::{Jitter, Quota, RateLimiter};
use http::header::HeaderMap;
use hyper::header::ACCEPT;
use hyper::service::{make_service_fn, service_fn};
@@ -311,6 +312,7 @@ pub fn start_server(settings: Settings, shutdown_rx: MpscReceiver<()>) -> Result
controlled_shutdown.send(()).ok();
}
Err(std::sync::mpsc::RecvError) => {
// FIXME: spurious error on startup?
debug!("shutdown requestor is disconnected");
}
};
@@ -431,10 +433,25 @@ async fn nostr_server(
event_tx: mpsc::Sender<SubmittedEvent>,
mut shutdown: Receiver<()>,
) {
// the time this websocket nostr server started
let orig_start = Instant::now();
// get a broadcast channel for clients to communicate on
let mut bcast_rx = broadcast.subscribe();
// Track internal client state
let mut conn = conn::ClientConn::new(client_info.remote_ip);
// subscription creation rate limiting
let mut sub_lim_opt = None;
// 100ms jitter when the rate limiter returns
let jitter = Jitter::up_to(Duration::from_millis(100));
let sub_per_min_setting = settings.limits.subscriptions_per_min;
if let Some(sub_per_min) = sub_per_min_setting {
if sub_per_min > 0 {
trace!("Rate limits for sub creation ({}/min)", sub_per_min);
let quota_time = core::num::NonZeroU32::new(sub_per_min).unwrap();
let quota = Quota::per_minute(quota_time);
sub_lim_opt = Some(RateLimiter::direct(quota));
}
}
// Use the remote IP as the client identifier
let cid = conn.get_client_prefix();
// Create a channel for receiving query results from the database.
@@ -459,19 +476,20 @@ async fn nostr_server(
// when these subscriptions are cancelled, make a message
// available to the executing query so it knows to stop.
let mut running_queries: HashMap<String, oneshot::Sender<()>> = HashMap::new();
// keep track of the subscriptions we have
let mut current_subs: Vec<Subscription> = Vec::new();
// for stats, keep track of how many events the client published,
// and how many it received from queries.
let mut client_published_event_count: usize = 0;
let mut client_received_event_count: usize = 0;
debug!("new connection for client: {}, ip: {:?}", cid, conn.ip());
debug!("new client connection (cid: {}, ip: {:?})", cid, conn.ip());
if let Some(ua) = client_info.user_agent {
debug!("client: {} has user-agent: {:?}", cid, ua);
debug!("cid: {}, user-agent: {:?}", cid, ua);
}
loop {
tokio::select! {
_ = shutdown.recv() => {
info!("Close connection down due to shutdown, client: {}, ip: {:?}", cid, conn.ip());
info!("Close connection down due to shutdown, client: {}, ip: {:?}, connected: {:?}", cid, conn.ip(), orig_start.elapsed());
// server shutting down, exit loop
break;
},
@@ -552,17 +570,17 @@ async fn nostr_server(
Err(WsError::AlreadyClosed | WsError::ConnectionClosed |
WsError::Protocol(tungstenite::error::ProtocolError::ResetWithoutClosingHandshake)))
=> {
debug!("websocket close from client: {}, ip: {:?}",cid, conn.ip());
debug!("websocket close from client (cid: {}, ip: {:?})",cid, conn.ip());
break;
},
Some(Err(WsError::Io(e))) => {
// IO errors are considered fatal
warn!("IO error (client: {}, ip: {:?}): {:?}", cid, conn.ip(), e);
warn!("IO error (cid: {}, ip: {:?}): {:?}", cid, conn.ip(), e);
break;
}
x => {
// default condition on error is to close the client connection
info!("unknown error (client: {}, ip: {:?}): {:?} (closing conn)", cid, conn.ip(), x);
info!("unknown error (cid: {}, ip: {:?}): {:?} (closing conn)", cid, conn.ip(), x);
break;
}
};
@@ -577,7 +595,7 @@ async fn nostr_server(
match parsed {
Ok(e) => {
let id_prefix:String = e.id.chars().take(8).collect();
debug!("successfully parsed/validated event: {:?} from client: {}", id_prefix, cid);
debug!("successfully parsed/validated event: {:?} (cid: {})", id_prefix, cid);
// check if the event is too far in the future.
if e.is_valid_timestamp(settings.options.reject_future_seconds) {
// Write this to the database.
@@ -594,37 +612,52 @@ async fn nostr_server(
}
},
Err(e) => {
info!("client: {} sent an invalid event", cid);
info!("client sent an invalid event (cid: {})", cid);
ws_stream.send(make_notice_message(Notice::invalid(evid, &format!("{}", e)))).await.ok();
}
}
},
Ok(NostrMessage::SubMsg(s)) => {
debug!("client: {} requesting a subscription", cid);
debug!("subscription requested (cid: {}, sub: {:?})", cid, s.id);
// subscription handling consists of:
// * check for rate limits
// * registering the subscription so future events can be matched
// * making a channel to cancel to request later
// * sending a request for a SQL query
let (abandon_query_tx, abandon_query_rx) = oneshot::channel::<()>();
match conn.subscribe(s.clone()) {
Ok(()) => {
// when we insert, if there was a previous query running with the same name, cancel it.
if let Some(previous_query) = running_queries.insert(s.id.to_owned(), abandon_query_tx) {
previous_query.send(()).ok();
}
// start a database query
db::db_query(s, cid.to_owned(), pool.clone(), query_tx.clone(), abandon_query_rx).await;
},
Err(e) => {
info!("Subscription error: {}", e);
ws_stream.send(make_notice_message(Notice::message(format!("Subscription error: {}", e)))).await.ok();
// Do nothing if the sub already exists.
if !current_subs.contains(&s) {
if let Some(ref lim) = sub_lim_opt {
lim.until_ready_with_jitter(jitter).await;
}
current_subs.push(s.clone());
let (abandon_query_tx, abandon_query_rx) = oneshot::channel::<()>();
match conn.subscribe(s.clone()) {
Ok(()) => {
// when we insert, if there was a previous query running with the same name, cancel it.
if let Some(previous_query) = running_queries.insert(s.id.to_owned(), abandon_query_tx) {
previous_query.send(()).ok();
}
// start a database query. this spawns a blocking database query on a worker thread.
db::db_query(s, cid.to_owned(), pool.clone(), query_tx.clone(), abandon_query_rx).await;
},
Err(e) => {
info!("Subscription error: {}", e);
ws_stream.send(make_notice_message(Notice::message(format!("Subscription error: {}", e)))).await.ok();
}
}
}
} else {
info!("client send duplicate subscription, ignoring (cid: {}, sub: {:?})", cid, s.id);
}
},
Ok(NostrMessage::CloseMsg(cc)) => {
// closing a request simply removes the subscription.
let parsed : Result<Close> = Result::<Close>::from(cc);
if let Ok(c) = parsed {
// remove from the list of known subs
if let Some(pos) = current_subs.iter().position(|s| *s.id == c.id) {
current_subs.remove(pos);
}
// check if a query is currently
// running, and remove it if so.
let stop_tx = running_queries.remove(&c.id);
@@ -640,19 +673,19 @@ async fn nostr_server(
}
},
Err(Error::ConnError) => {
debug!("got connection close/error, disconnecting client: {}, ip: {:?}",cid, conn.ip());
debug!("got connection close/error, disconnecting cid: {}, ip: {:?}",cid, conn.ip());
break;
}
Err(Error::EventMaxLengthError(s)) => {
info!("client: {} sent event larger ({} bytes) than max size", cid, s);
info!("client sent event larger ({} bytes) than max size (cid: {})", s, cid);
ws_stream.send(make_notice_message(Notice::message("event exceeded max size".into()))).await.ok();
},
Err(Error::ProtoParseError) => {
info!("client {} sent event that could not be parsed", cid);
info!("client sent event that could not be parsed (cid: {})", cid);
ws_stream.send(make_notice_message(Notice::message("could not parse command".into()))).await.ok();
},
Err(e) => {
info!("got non-fatal error from client: {}, error: {:?}", cid, e);
info!("got non-fatal error from client (cid: {}, error: {:?}", cid, e);
},
}
},
@@ -663,10 +696,11 @@ async fn nostr_server(
stop_tx.send(()).ok();
}
info!(
"stopping connection for client: {}, ip: {:?} (client sent {} event(s), received {})",
"stopping client connection (cid: {}, ip: {:?}, sent: {} events, recv: {} events, connected: {:?})",
cid,
conn.ip(),
client_published_event_count,
client_received_event_count
client_received_event_count,
orig_start.elapsed()
);
}

View File

@@ -37,6 +37,9 @@ pub struct ReqFilter {
#[serde(skip)]
pub tags: Option<HashMap<char, HashSet<String>>>,
/// Force no matches due to malformed data
// we can't represent it in the req filter, so we don't want to
// erroneously match. This basically indicates the req tried to
// do something invalid.
pub force_no_match: bool,
}