X-Git-Url: http://these/git/?a=blobdiff_plain;f=src%2Flib.rs;h=e07ae2685d478736c756b320de429bd2f1914e5c;hb=5d23ef960e3361d1cc38c1aff1d907d8da58b90f;hp=7e5754d46e54cc835476839e53cadd3d27748cb0;hpb=4de80dc29d51cd1003c46d617e3b6b873db99d61;p=lemmy.git

diff --git a/src/lib.rs b/src/lib.rs
index 7e5754d4..e07ae268 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,268 @@
-#![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(())
+}