-#![recursion_limit = "512"]
-
+pub mod api_routes_http;
pub mod code_migrations;
-pub mod routes;
+#[cfg(feature = "prometheus-metrics")]
+pub mod prometheus_metrics;
+pub mod root_span_builder;
+pub mod scheduled_tasks;
+#[cfg(feature = "console")]
+pub mod telemetry;
+
+use crate::{code_migrations::run_advanced_migrations, root_span_builder::QuieterRootSpanBuilder};
+use activitypub_federation::config::{FederationConfig, FederationMiddleware};
+use actix_cors::Cors;
+use actix_web::{
+ middleware::{self, ErrorHandlers},
+ web::Data,
+ App,
+ HttpServer,
+ Result,
+};
+use lemmy_api_common::{
+ context::LemmyContext,
+ lemmy_db_views::structs::SiteView,
+ request::build_user_agent,
+ send_activity::MATCH_OUTGOING_ACTIVITIES,
+ utils::{
+ check_private_instance_and_federation_enabled,
+ local_site_rate_limit_to_rate_limit_config,
+ },
+};
+use lemmy_apub::{
+ activities::{handle_outgoing_activities, match_outgoing_activities},
+ VerifyUrlData,
+ FEDERATION_HTTP_FETCH_LIMIT,
+};
+use lemmy_db_schema::{
+ source::secret::Secret,
+ utils::{build_db_pool, get_database_url, run_migrations},
+};
+use lemmy_routes::{feeds, images, nodeinfo, webfinger};
+use lemmy_utils::{
+ error::LemmyError,
+ rate_limit::RateLimitCell,
+ response::jsonify_plain_text_errors,
+ settings::SETTINGS,
+ SYNCHRONOUS_FEDERATION,
+};
+use reqwest::Client;
+use reqwest_middleware::ClientBuilder;
+use reqwest_tracing::TracingMiddleware;
+use std::{env, thread, time::Duration};
+use tracing::subscriber::set_global_default;
+use tracing_actix_web::TracingLogger;
+use tracing_error::ErrorLayer;
+use tracing_log::LogTracer;
+use tracing_subscriber::{filter::Targets, layer::SubscriberExt, Layer, Registry};
+use url::Url;
+#[cfg(feature = "prometheus-metrics")]
+use {
+ actix_web_prom::PrometheusMetricsBuilder,
+ prometheus::default_registry,
+ prometheus_metrics::serve_prometheus,
+};
+
+/// Max timeout for http requests
+pub(crate) const REQWEST_TIMEOUT: Duration = Duration::from_secs(10);
+
+/// Placing the main function in lib.rs allows other crates to import it and embed Lemmy
+pub async fn start_lemmy_server() -> Result<(), LemmyError> {
+ let args: Vec<String> = env::args().collect();
+
+ let scheduled_tasks_enabled = args.get(1) != Some(&"--disable-scheduled-tasks".to_string());
+
+ let settings = SETTINGS.to_owned();
+
+ // Run the DB migrations
+ let db_url = get_database_url(Some(&settings));
+ run_migrations(&db_url);
+
+ // Set up the connection pool
+ let pool = build_db_pool(&settings).await?;
+
+ // Run the Code-required migrations
+ run_advanced_migrations(&mut (&pool).into(), &settings).await?;
+
+ // Initialize the secrets
+ let secret = Secret::init(&mut (&pool).into())
+ .await
+ .expect("Couldn't initialize secrets.");
+
+ // Make sure the local site is set up.
+ let site_view = SiteView::read_local(&mut (&pool).into())
+ .await
+ .expect("local site not set up");
+ let local_site = site_view.local_site;
+ let federation_enabled = local_site.federation_enabled;
+
+ if federation_enabled {
+ println!("federation enabled, host is {}", &settings.hostname);
+ }
+
+ check_private_instance_and_federation_enabled(&local_site)?;
+
+ // Set up the rate limiter
+ let rate_limit_config =
+ local_site_rate_limit_to_rate_limit_config(&site_view.local_site_rate_limit);
+ let rate_limit_cell = RateLimitCell::new(rate_limit_config).await;
+
+ println!(
+ "Starting http server at {}:{}",
+ settings.bind, settings.port
+ );
+
+ let user_agent = build_user_agent(&settings);
+ let reqwest_client = Client::builder()
+ .user_agent(user_agent.clone())
+ .timeout(REQWEST_TIMEOUT)
+ .connect_timeout(REQWEST_TIMEOUT)
+ .build()?;
+
+ let client = ClientBuilder::new(reqwest_client.clone())
+ .with(TracingMiddleware::default())
+ .build();
+
+ // Pictrs cannot use the retry middleware
+ let pictrs_client = ClientBuilder::new(reqwest_client.clone())
+ .with(TracingMiddleware::default())
+ .build();
+
+ let context = LemmyContext::create(
+ pool.clone(),
+ client.clone(),
+ secret.clone(),
+ rate_limit_cell.clone(),
+ );
+
+ if scheduled_tasks_enabled {
+ // Schedules various cleanup tasks for the DB
+ thread::spawn({
+ let context = context.clone();
+ move || {
+ scheduled_tasks::setup(db_url, user_agent, context)
+ .expect("Couldn't set up scheduled_tasks");
+ }
+ });
+ }
+
+ #[cfg(feature = "prometheus-metrics")]
+ serve_prometheus(settings.prometheus.as_ref(), context.clone());
+
+ let settings_bind = settings.clone();
+
+ let federation_config = FederationConfig::builder()
+ .domain(settings.hostname.clone())
+ .app_data(context.clone())
+ .client(client.clone())
+ .http_fetch_limit(FEDERATION_HTTP_FETCH_LIMIT)
+ .worker_count(settings.worker_count)
+ .retry_count(settings.retry_count)
+ .debug(*SYNCHRONOUS_FEDERATION)
+ .http_signature_compat(true)
+ .url_verifier(Box::new(VerifyUrlData(context.inner_pool().clone())))
+ .build()
+ .await?;
+
+ // this must come before the HttpServer creation
+ // creates a middleware that populates http metrics for each path, method, and status code
+ #[cfg(feature = "prometheus-metrics")]
+ let prom_api_metrics = PrometheusMetricsBuilder::new("lemmy_api")
+ .registry(default_registry().clone())
+ .build()
+ .expect("Should always be buildable");
+
+ MATCH_OUTGOING_ACTIVITIES
+ .set(Box::new(move |d, c| {
+ Box::pin(match_outgoing_activities(d, c))
+ }))
+ .expect("set function pointer");
+ let request_data = federation_config.to_request_data();
+ let outgoing_activities_task = tokio::task::spawn(handle_outgoing_activities(request_data));
+
+ // Create Http server with websocket support
+ HttpServer::new(move || {
+ let cors_origin = env::var("LEMMY_CORS_ORIGIN");
+ let cors_config = match (cors_origin, cfg!(debug_assertions)) {
+ (Ok(origin), false) => Cors::default()
+ .allowed_origin(&origin)
+ .allowed_origin(&settings.get_protocol_and_hostname()),
+ _ => Cors::default()
+ .allow_any_origin()
+ .allow_any_method()
+ .allow_any_header()
+ .expose_any_header()
+ .max_age(3600),
+ };
+
+ let app = App::new()
+ .wrap(middleware::Logger::new(
+ // This is the default log format save for the usage of %{r}a over %a to guarantee to record the client's (forwarded) IP and not the last peer address, since the latter is frequently just a reverse proxy
+ "%{r}a '%r' %s %b '%{Referer}i' '%{User-Agent}i' %T",
+ ))
+ .wrap(middleware::Compress::default())
+ .wrap(cors_config)
+ .wrap(TracingLogger::<QuieterRootSpanBuilder>::new())
+ .wrap(ErrorHandlers::new().default_handler(jsonify_plain_text_errors))
+ .app_data(Data::new(context.clone()))
+ .app_data(Data::new(rate_limit_cell.clone()))
+ .wrap(FederationMiddleware::new(federation_config.clone()));
+
+ #[cfg(feature = "prometheus-metrics")]
+ let app = app.wrap(prom_api_metrics.clone());
+
+ // The routes
+ app
+ .configure(|cfg| api_routes_http::config(cfg, rate_limit_cell))
+ .configure(|cfg| {
+ if federation_enabled {
+ lemmy_apub::http::routes::config(cfg);
+ webfinger::config(cfg);
+ }
+ })
+ .configure(feeds::config)
+ .configure(|cfg| images::config(cfg, pictrs_client.clone(), rate_limit_cell))
+ .configure(nodeinfo::config)
+ })
+ .bind((settings_bind.bind, settings_bind.port))?
+ .run()
+ .await?;
+
+ // Wait for outgoing apub sends to complete
+ outgoing_activities_task.await??;
+
+ Ok(())
+}
+
+pub fn init_logging(opentelemetry_url: &Option<Url>) -> Result<(), LemmyError> {
+ LogTracer::init()?;
+
+ let log_description = std::env::var("RUST_LOG").unwrap_or_else(|_| "info".into());
+
+ let targets = log_description
+ .trim()
+ .trim_matches('"')
+ .parse::<Targets>()?;
+
+ let format_layer = {
+ #[cfg(feature = "json-log")]
+ let layer = tracing_subscriber::fmt::layer().json();
+ #[cfg(not(feature = "json-log"))]
+ let layer = tracing_subscriber::fmt::layer();
+
+ layer.with_filter(targets.clone())
+ };
+
+ let subscriber = Registry::default()
+ .with(format_layer)
+ .with(ErrorLayer::default());
+
+ if let Some(_url) = opentelemetry_url {
+ #[cfg(feature = "console")]
+ telemetry::init_tracing(_url.as_ref(), subscriber, targets)?;
+ #[cfg(not(feature = "console"))]
+ tracing::error!("Feature `console` must be enabled for opentelemetry tracing");
+ } else {
+ set_global_default(subscriber)?;
+ }
+
+ Ok(())
+}
projects / lemmy.git / blobdiff