refactor reqwest client suite w/ conf items.

Signed-off-by: Jason Volk <jason@zemos.net>

src/api/appservice_server.rs

@@ -47,7 +47,7 @@ where
 		*reqwest_request.timeout_mut() = Some(Duration::from_secs(120));
 
 		let url = reqwest_request.url().clone();
-		let mut response = match services().globals.default_client().execute(reqwest_request).await {
+		let mut response = match services().globals.client.appservice.execute(reqwest_request).await {
 			Ok(r) => r,
 			Err(e) => {
 				warn!(

src/api/client_server/media.rs

@@ -707,7 +707,7 @@ fn url_request_allowed(addr: &IpAddr) -> bool {
 }
 
 async fn request_url_preview(url: &str) -> Result<UrlPreviewData> {
-	let client = services().globals.url_preview_client();
+	let client = &services().globals.client.url_preview;
 	let response = client.head(url).send().await?;
 
 	if !response.remote_addr().map_or(false, |a| url_request_allowed(&a.ip())) {
@@ -722,8 +722,8 @@ async fn request_url_preview(url: &str) -> Result<UrlPreviewData> {
 		None => return Err(Error::BadRequest(ErrorKind::Unknown, "Unknown Content-Type")),
 	};
 	let data = match content_type {
-		html if html.starts_with("text/html") => download_html(&client, url).await?,
-		img if img.starts_with("image/") => download_image(&client, url).await?,
+		html if html.starts_with("text/html") => download_html(client, url).await?,
+		img if img.starts_with("image/") => download_image(client, url).await?,
 		_ => return Err(Error::BadRequest(ErrorKind::Unknown, "Unsupported Content-Type")),
 	};
 

src/api/server_server.rs

@@ -239,7 +239,7 @@ where
 	let url = reqwest_request.url().clone();
 
 	debug!("Sending request to {destination} at {url}");
-	let response = services().globals.federation_client().execute(reqwest_request).await;
+	let response = services().globals.client.federation.execute(reqwest_request).await;
 	debug!("Received response from {destination} at {url}");
 
 	match response {
@@ -517,7 +517,8 @@ async fn request_well_known(destination: &str) -> Option<String> {
 
 	let response = services()
 		.globals
-		.default_client()
+		.client
+		.well_known
 		.get(&format!("https://{destination}/.well-known/matrix/server"))
 		.send()
 		.await;

src/config/mod.rs

@@ -63,6 +63,34 @@ pub struct Config {
 	pub max_concurrent_requests: u16,
 	#[serde(default = "default_max_fetch_prev_events")]
 	pub max_fetch_prev_events: u16,
+	#[serde(default = "default_request_conn_timeout")]
+	pub request_conn_timeout: u64,
+	#[serde(default = "default_request_timeout")]
+	pub request_timeout: u64,
+	#[serde(default = "default_request_idle_per_host")]
+	pub request_idle_per_host: u16,
+	#[serde(default = "default_request_idle_timeout")]
+	pub request_idle_timeout: u64,
+	#[serde(default = "default_well_known_conn_timeout")]
+	pub well_known_conn_timeout: u64,
+	#[serde(default = "default_well_known_timeout")]
+	pub well_known_timeout: u64,
+	#[serde(default = "default_federation_timeout")]
+	pub federation_timeout: u64,
+	#[serde(default = "default_federation_idle_per_host")]
+	pub federation_idle_per_host: u16,
+	#[serde(default = "default_federation_idle_timeout")]
+	pub federation_idle_timeout: u64,
+	#[serde(default = "default_sender_timeout")]
+	pub sender_timeout: u64,
+	#[serde(default = "default_sender_idle_timeout")]
+	pub sender_idle_timeout: u64,
+	#[serde(default = "default_appservice_timeout")]
+	pub appservice_timeout: u64,
+	#[serde(default = "default_appservice_idle_timeout")]
+	pub appservice_idle_timeout: u64,
+	#[serde(default = "default_pusher_idle_timeout")]
+	pub pusher_idle_timeout: u64,
 	#[serde(default)]
 	pub allow_registration: bool,
 	#[serde(default)]
@@ -272,6 +300,20 @@ impl fmt::Display for Config {
 			("Cleanup interval in seconds", &self.cleanup_second_interval.to_string()),
 			("Maximum request size (bytes)", &self.max_request_size.to_string()),
 			("Maximum concurrent requests", &self.max_concurrent_requests.to_string()),
+			("Request connect timeout", &self.request_conn_timeout.to_string()),
+			("Request timeout", &self.request_timeout.to_string()),
+			("Idle connections per host", &self.request_idle_per_host.to_string()),
+			("Request pool idle timeout", &self.request_idle_timeout.to_string()),
+			("Well_known connect timeout", &self.well_known_conn_timeout.to_string()),
+			("Well_known timeout", &self.well_known_timeout.to_string()),
+			("Federation timeout", &self.federation_timeout.to_string()),
+			("Federation pool idle per host", &self.federation_idle_per_host.to_string()),
+			("Federation pool idle timeout", &self.federation_idle_timeout.to_string()),
+			("Sender timeout", &self.sender_timeout.to_string()),
+			("Sender pool idle timeout", &self.sender_idle_timeout.to_string()),
+			("Appservice timeout", &self.appservice_timeout.to_string()),
+			("Appservice pool idle timeout", &self.appservice_idle_timeout.to_string()),
+			("Pusher pool idle timeout", &self.pusher_idle_timeout.to_string()),
 			("Allow registration", &self.allow_registration.to_string()),
 			(
 				"Registration token",
@@ -487,6 +529,34 @@ fn default_max_request_size() -> u32 {
 
 fn default_max_concurrent_requests() -> u16 { 500 }
 
+fn default_request_conn_timeout() -> u64 { 10 }
+
+fn default_request_timeout() -> u64 { 35 }
+
+fn default_request_idle_per_host() -> u16 { 1 }
+
+fn default_request_idle_timeout() -> u64 { 5 }
+
+fn default_well_known_conn_timeout() -> u64 { 6 }
+
+fn default_well_known_timeout() -> u64 { 10 }
+
+fn default_federation_timeout() -> u64 { 300 }
+
+fn default_federation_idle_per_host() -> u16 { 1 }
+
+fn default_federation_idle_timeout() -> u64 { 25 }
+
+fn default_sender_timeout() -> u64 { 75 }
+
+fn default_sender_idle_timeout() -> u64 { 180 }
+
+fn default_appservice_timeout() -> u64 { 120 }
+
+fn default_appservice_idle_timeout() -> u64 { 300 }
+
+fn default_pusher_idle_timeout() -> u64 { 15 }
+
 fn default_max_fetch_prev_events() -> u16 { 100_u16 }
 
 fn default_trusted_servers() -> Vec<OwnedServerName> { vec![OwnedServerName::try_from("matrix.org").unwrap()] }

src/database/mod.rs

@@ -1058,7 +1058,7 @@ impl KeyValueDatabase {
 
 	async fn try_handle_updates() -> Result<()> {
 		let response =
-			services().globals.default_client().get("https://pupbrain.dev/check-for-updates/stable").send().await?;
+			services().globals.client.default.get("https://pupbrain.dev/check-for-updates/stable").send().await?;
 
 		let response = serde_json::from_str::<CheckForUpdatesResponse>(&response.text().await?).map_err(|e| {
 			error!("Bad check for updates response: {e}");

src/service/globals/mod.rs

@@ -23,7 +23,10 @@ use hyper::{
 	service::Service as HyperService,
 };
 use regex::RegexSet;
-use reqwest::dns::{Addrs, Resolve, Resolving};
+use reqwest::{
+	dns::{Addrs, Resolve, Resolving},
+	redirect,
+};
 use ruma::{
 	api::{
 		client::sync::sync_events,
@@ -57,9 +60,7 @@ pub struct Service<'a> {
 	keypair: Arc<ruma::signatures::Ed25519KeyPair>,
 	dns_resolver: TokioAsyncResolver,
 	jwt_decoding_key: Option<jsonwebtoken::DecodingKey>,
-	url_preview_client: reqwest::Client,
-	federation_client: reqwest::Client,
-	default_client: reqwest::Client,
+	pub client: Client,
 	pub stable_room_versions: Vec<RoomVersionId>,
 	pub unstable_room_versions: Vec<RoomVersionId>,
 	pub bad_event_ratelimiter: Arc<RwLock<HashMap<OwnedEventId, RateLimitState>>>,
@@ -78,6 +79,16 @@ pub struct Service<'a> {
 	pub argon: Argon2<'a>,
 }
 
+pub struct Client {
+	pub default: reqwest::Client,
+	pub url_preview: reqwest::Client,
+	pub well_known: reqwest::Client,
+	pub federation: reqwest::Client,
+	pub sender: reqwest::Client,
+	pub appservice: reqwest::Client,
+	pub pusher: reqwest::Client,
+}
+
 /// Handles "rotation" of long-polling requests. "Rotation" in this context is
 /// similar to "rotation" of log files and the like.
 ///
@@ -145,6 +156,82 @@ impl Resolve for Resolver {
 	}
 }
 
+impl Client {
+	pub fn new(config: &Config, tls_name_override: &Arc<StdRwLock<TlsNameMap>>) -> Client {
+		let resolver = Arc::new(Resolver::new(tls_name_override.clone()));
+		Client {
+			default: Self::base(config).unwrap().build().unwrap(),
+
+			url_preview: Self::base(config).unwrap().build().unwrap(),
+
+			well_known: Self::base(config)
+				.unwrap()
+				.dns_resolver(resolver.clone())
+				.connect_timeout(Duration::from_secs(config.well_known_conn_timeout))
+				.timeout(Duration::from_secs(config.well_known_timeout))
+				.pool_max_idle_per_host(0)
+				.redirect(redirect::Policy::limited(4))
+				.build()
+				.unwrap(),
+
+			federation: Self::base(config)
+				.unwrap()
+				.dns_resolver(resolver.clone())
+				.timeout(Duration::from_secs(config.federation_timeout))
+				.pool_max_idle_per_host(config.federation_idle_per_host.into())
+				.pool_idle_timeout(Duration::from_secs(config.federation_idle_timeout))
+				.redirect(redirect::Policy::limited(2))
+				.build()
+				.unwrap(),
+
+			sender: Self::base(config)
+				.unwrap()
+				.dns_resolver(resolver)
+				.timeout(Duration::from_secs(config.sender_timeout))
+				.pool_max_idle_per_host(1)
+				.pool_idle_timeout(Duration::from_secs(config.sender_idle_timeout))
+				.redirect(redirect::Policy::limited(2))
+				.build()
+				.unwrap(),
+
+			appservice: Self::base(config)
+				.unwrap()
+				.connect_timeout(Duration::from_secs(5))
+				.timeout(Duration::from_secs(config.appservice_timeout))
+				.pool_max_idle_per_host(1)
+				.pool_idle_timeout(Duration::from_secs(config.appservice_idle_timeout))
+				.redirect(redirect::Policy::limited(2))
+				.build()
+				.unwrap(),
+
+			pusher: Self::base(config)
+				.unwrap()
+				.pool_max_idle_per_host(1)
+				.pool_idle_timeout(Duration::from_secs(config.pusher_idle_timeout))
+				.redirect(redirect::Policy::limited(2))
+				.build()
+				.unwrap(),
+		}
+	}
+
+	fn base(config: &Config) -> Result<reqwest::ClientBuilder> {
+		let builder = reqwest::Client::builder()
+			.hickory_dns(true)
+			.timeout(Duration::from_secs(config.request_timeout))
+			.connect_timeout(Duration::from_secs(config.request_conn_timeout))
+			.pool_max_idle_per_host(config.request_idle_per_host.into())
+			.pool_idle_timeout(Duration::from_secs(config.request_idle_timeout))
+			.user_agent("Conduwuit".to_owned() + "/" + env!("CARGO_PKG_VERSION"))
+			.redirect(redirect::Policy::limited(6));
+
+		if let Some(proxy) = config.proxy.to_proxy()? {
+			Ok(builder.proxy(proxy))
+		} else {
+			Ok(builder)
+		}
+	}
+}
+
 impl Service<'_> {
 	pub fn load(db: &'static dyn Data, config: Config) -> Result<Self> {
 		let keypair = db.load_keypair();
@@ -163,12 +250,6 @@ impl Service<'_> {
 		let jwt_decoding_key =
 			config.jwt_secret.as_ref().map(|secret| jsonwebtoken::DecodingKey::from_secret(secret.as_bytes()));
 
-		let url_preview_client = url_preview_reqwest_client_builder(&config)?.build()?;
-		let default_client = reqwest_client_builder(&config)?.build()?;
-		let federation_client = reqwest_client_builder(&config)?
-			.dns_resolver(Arc::new(Resolver::new(tls_name_override.clone())))
-			.build()?;
-
 		// Supported and stable room versions
 		let stable_room_versions = vec![
 			RoomVersionId::V6,
@@ -193,17 +274,15 @@ impl Service<'_> {
 		);
 		let mut s = Self {
 			db,
-			config,
+			config: config.clone(),
 			keypair: Arc::new(keypair),
 			dns_resolver: TokioAsyncResolver::tokio_from_system_conf().map_err(|e| {
 				error!("Failed to set up trust dns resolver with system config: {}", e);
 				Error::bad_config("Failed to set up trust dns resolver with system config.")
 			})?,
 			actual_destination_cache: Arc::new(RwLock::new(WellKnownMap::new())),
-			tls_name_override,
-			url_preview_client,
-			federation_client,
-			default_client,
+			tls_name_override: tls_name_override.clone(),
+			client: Client::new(&config, &tls_name_override),
 			jwt_decoding_key,
 			stable_room_versions,
 			unstable_room_versions,
@@ -235,26 +314,6 @@ impl Service<'_> {
 	/// Returns this server's keypair.
 	pub fn keypair(&self) -> &ruma::signatures::Ed25519KeyPair { &self.keypair }
 
-	/// Returns a reqwest client which can be used to send requests for URL
-	/// previews This is the same as `default_client()` except a redirect policy
-	/// of max 2 is set
-	pub fn url_preview_client(&self) -> reqwest::Client {
-		// Client is cheap to clone (Arc wrapper) and avoids lifetime issues
-		self.url_preview_client.clone()
-	}
-
-	/// Returns a reqwest client which can be used to send requests
-	pub fn default_client(&self) -> reqwest::Client {
-		// Client is cheap to clone (Arc wrapper) and avoids lifetime issues
-		self.default_client.clone()
-	}
-
-	/// Returns a client used for resolving .well-knowns
-	pub fn federation_client(&self) -> reqwest::Client {
-		// Client is cheap to clone (Arc wrapper) and avoids lifetime issues
-		self.federation_client.clone()
-	}
-
 	#[tracing::instrument(skip(self))]
 	pub fn next_count(&self) -> Result<u64> { self.db.next_count() }
 
@@ -488,56 +547,3 @@ impl Service<'_> {
 		services().globals.rotate.fire();
 	}
 }
-
-fn reqwest_client_builder(config: &Config) -> Result<reqwest::ClientBuilder> {
-	let redirect_policy = reqwest::redirect::Policy::custom(|attempt| {
-		if attempt.previous().len() > 6 {
-			attempt.error("Too many redirects (max is 6)")
-		} else {
-			attempt.follow()
-		}
-	});
-
-	let mut reqwest_client_builder = reqwest::Client::builder()
-		.hickory_dns(true)
-		.pool_max_idle_per_host(1)
-		.pool_idle_timeout(Duration::from_secs(50))
-		.connect_timeout(Duration::from_secs(60))
-		.timeout(Duration::from_secs(60 * 5))
-		.redirect(redirect_policy)
-		.user_agent("Conduwuit".to_owned() + "/" + env!("CARGO_PKG_VERSION"));
-
-	if let Some(proxy) = config.proxy.to_proxy()? {
-		reqwest_client_builder = reqwest_client_builder.proxy(proxy);
-	}
-
-	Ok(reqwest_client_builder)
-}
-
-fn url_preview_reqwest_client_builder(config: &Config) -> Result<reqwest::ClientBuilder> {
-	// for security reasons (e.g. malicious open redirect), we do not want to follow
-	// too many redirects when generating URL previews. let's keep it at least 2 to
-	// account for HTTP -> HTTPS upgrades, if it becomes an issue we can consider
-	// raising it to 3.
-	let redirect_policy = reqwest::redirect::Policy::custom(|attempt| {
-		if attempt.previous().len() > 2 {
-			attempt.error("Too many redirects (max is 2)")
-		} else {
-			attempt.follow()
-		}
-	});
-
-	let mut reqwest_client_builder = reqwest::Client::builder()
-		.hickory_dns(true)
-		.pool_max_idle_per_host(0)
-		.connect_timeout(Duration::from_secs(20))
-		.timeout(Duration::from_secs(30))
-		.redirect(redirect_policy)
-		.user_agent("Conduwuit".to_owned() + "/" + env!("CARGO_PKG_VERSION"));
-
-	if let Some(proxy) = config.proxy.to_proxy()? {
-		reqwest_client_builder = reqwest_client_builder.proxy(proxy);
-	}
-
-	Ok(reqwest_client_builder)
-}

src/service/pusher/mod.rs

@@ -63,7 +63,7 @@ impl Service {
 		//*reqwest_request.timeout_mut() = Some(Duration::from_secs(5));
 
 		let url = reqwest_request.url().clone();
-		let response = services().globals.default_client().execute(reqwest_request).await;
+		let response = services().globals.client.pusher.execute(reqwest_request).await;
 
 		match response {
 			Ok(mut response) => {