]> Untitled Git - lemmy.git/blobdiff - src/main.rs
Move code to generate apub urls into lemmy_api_common
[lemmy.git] / src / main.rs
index dea60c0a77aa5ae78bf8715547cb0219bf62620f..e4b8e8e3293e9f86d4bcc589a66d6201b568ee4d 100644 (file)
 extern crate diesel_migrations;
 
 use actix::prelude::*;
-use actix_web::{
-  body::Body,
-  dev::{Service, ServiceRequest, ServiceResponse},
-  http::{
-    header::{CACHE_CONTROL, CONTENT_TYPE},
-    HeaderValue,
+use actix_web::{middleware, web::Data, App, HttpServer, Result};
+use diesel_migrations::EmbeddedMigrations;
+use doku::json::{AutoComments, CommentsStyle, Formatting, ObjectsStyle};
+use lemmy_api::match_websocket_operation;
+use lemmy_api_common::{
+  lemmy_db_views::structs::SiteView,
+  request::build_user_agent,
+  utils::{
+    check_private_instance_and_federation_enabled,
+    local_site_rate_limit_to_rate_limit_config,
   },
-  *,
+  websocket::chat_server::ChatServer,
+  LemmyContext,
 };
-use diesel::{
-  r2d2::{ConnectionManager, Pool},
-  PgConnection,
+use lemmy_api_crud::match_websocket_operation_crud;
+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_server::{
+  api_routes,
+  code_migrations::run_advanced_migrations,
+  init_logging,
+  root_span_builder::QuieterRootSpanBuilder,
+  scheduled_tasks,
+};
+use lemmy_utils::{
+  error::LemmyError,
+  rate_limit::RateLimitCell,
+  settings::{structs::Settings, SETTINGS},
 };
-use lazy_static::lazy_static;
-use lemmy_api::match_websocket_operation;
-use lemmy_apub::activity_queue::create_activity_queue;
-use lemmy_db::get_database_url_from_env;
-use lemmy_rate_limit::{rate_limiter::RateLimiter, RateLimit};
-use lemmy_server::{code_migrations::run_advanced_migrations, routes::*};
-use lemmy_structs::blocking;
-use lemmy_utils::{settings::Settings, LemmyError, CACHE_CONTROL_REGEX};
-use lemmy_websocket::{chat_server::ChatServer, LemmyContext};
 use reqwest::Client;
-use std::sync::Arc;
-use tokio::sync::Mutex;
+use reqwest_middleware::ClientBuilder;
+use reqwest_retry::{policies::ExponentialBackoff, RetryTransientMiddleware};
+use reqwest_tracing::TracingMiddleware;
+use std::{env, thread, time::Duration};
+use tracing_actix_web::TracingLogger;
 
-lazy_static! {
-  // static ref CACHE_CONTROL_VALUE: String = format!("public, max-age={}", 365 * 24 * 60 * 60);
-  // Test out 1 hour here, this is breaking some things
-  static ref CACHE_CONTROL_VALUE: String = format!("public, max-age={}", 60 * 60);
-}
+pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!();
 
-embed_migrations!();
+/// Max timeout for http requests
+pub const REQWEST_TIMEOUT: Duration = Duration::from_secs(10);
 
 #[actix_web::main]
 async fn main() -> Result<(), LemmyError> {
-  env_logger::init();
-  let settings = Settings::get();
+  let args: Vec<String> = env::args().collect();
+  if args.len() == 2 && args[1] == "--print-config-docs" {
+    let fmt = Formatting {
+      auto_comments: AutoComments::none(),
+      comments_style: CommentsStyle {
+        separator: "#".to_owned(),
+      },
+      objects_style: ObjectsStyle {
+        surround_keys_with_quotes: false,
+        use_comma_as_separator: false,
+      },
+      ..Default::default()
+    };
+    println!("{}", doku::to_json_fmt_val(&fmt, &Settings::default()));
+    return Ok(());
+  }
 
-  // Set up the r2d2 connection pool
-  let db_url = match get_database_url_from_env() {
-    Ok(url) => url,
-    Err(_) => settings.get_database_url(),
-  };
-  let manager = ConnectionManager::<PgConnection>::new(&db_url);
-  let pool = Pool::builder()
-    .max_size(settings.database.pool_size)
-    .build(manager)
-    .unwrap_or_else(|_| panic!("Error connecting to {}", db_url));
+  let settings = SETTINGS.to_owned();
+
+  init_logging(&settings.opentelemetry_url)?;
+
+  // Set up the bb8 connection pool
+  let db_url = get_database_url(Some(&settings));
+  run_migrations(&db_url);
 
   // Run the migrations from code
-  blocking(&pool, move |conn| {
-    embedded_migrations::run(conn)?;
-    run_advanced_migrations(conn)?;
-    Ok(()) as Result<(), LemmyError>
-  })
-  .await??;
+  let pool = build_db_pool(&settings).await?;
+  run_advanced_migrations(&pool, &settings).await?;
+
+  // Schedules various cleanup tasks for the DB
+  thread::spawn(move || {
+    scheduled_tasks::setup(db_url).expect("Couldn't set up scheduled_tasks");
+  });
+
+  // Initialize the secrets
+  let secret = Secret::init(&pool)
+    .await
+    .expect("Couldn't initialize secrets.");
+
+  // Make sure the local site is set up.
+  let site_view = SiteView::read_local(&pool)
+    .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_limiter = RateLimit {
-    rate_limiter: Arc::new(Mutex::new(RateLimiter::default())),
-  };
+  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 activity_queue = create_activity_queue();
+  let reqwest_client = Client::builder()
+    .user_agent(build_user_agent(&settings))
+    .timeout(REQWEST_TIMEOUT)
+    .build()?;
+
+  let retry_policy = ExponentialBackoff {
+    max_n_retries: 3,
+    max_retry_interval: REQWEST_TIMEOUT,
+    min_retry_interval: Duration::from_millis(100),
+    backoff_exponent: 2,
+  };
+
+  let client = ClientBuilder::new(reqwest_client.clone())
+    .with(TracingMiddleware::default())
+    .with(RetryTransientMiddleware::new_with_policy(retry_policy))
+    .build();
+
+  // Pictrs cannot use the retry middleware
+  let pictrs_client = ClientBuilder::new(reqwest_client.clone())
+    .with(TracingMiddleware::default())
+    .build();
+
   let chat_server = ChatServer::startup(
     pool.clone(),
-    rate_limiter.clone(),
     |c, i, o, d| Box::pin(match_websocket_operation(c, i, o, d)),
-    Client::default(),
-    activity_queue.clone(),
+    |c, i, o, d| Box::pin(match_websocket_operation_crud(c, i, o, d)),
+    client.clone(),
+    settings.clone(),
+    secret.clone(),
+    rate_limit_cell.clone(),
   )
   .start();
 
   // Create Http server with websocket support
+  let settings_bind = settings.clone();
   HttpServer::new(move || {
     let context = LemmyContext::create(
       pool.clone(),
-      chat_server.to_owned(),
-      Client::default(),
-      activity_queue.to_owned(),
+      chat_server.clone(),
+      client.clone(),
+      settings.clone(),
+      secret.clone(),
+      rate_limit_cell.clone(),
     );
-    let rate_limiter = rate_limiter.clone();
     App::new()
-      .wrap_fn(add_cache_headers)
       .wrap(middleware::Logger::default())
-      .data(context)
+      .wrap(TracingLogger::<QuieterRootSpanBuilder>::new())
+      .app_data(Data::new(context))
+      .app_data(Data::new(rate_limit_cell.clone()))
       // The routes
-      .configure(|cfg| api::config(cfg, &rate_limiter))
-      .configure(federation::config)
+      .configure(|cfg| api_routes::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, &rate_limiter))
+      .configure(|cfg| images::config(cfg, pictrs_client.clone(), rate_limit_cell))
       .configure(nodeinfo::config)
-      .configure(webfinger::config)
-      .service(actix_files::Files::new("/docs", "/app/documentation"))
   })
-  .bind((settings.bind, settings.port))?
+  .bind((settings_bind.bind, settings_bind.port))?
   .run()
   .await?;
 
   Ok(())
 }
-
-fn add_cache_headers<S>(
-  req: ServiceRequest,
-  srv: &mut S,
-) -> impl Future<Output = Result<ServiceResponse, Error>>
-where
-  S: Service<Request = ServiceRequest, Response = ServiceResponse<Body>, Error = Error>,
-{
-  let fut = srv.call(req);
-  async move {
-    let mut res = fut.await?;
-    if let Some(content_type) = res.headers().get(CONTENT_TYPE) {
-      if CACHE_CONTROL_REGEX.is_match(content_type.to_str().unwrap()) {
-        let header_val = HeaderValue::from_static(&CACHE_CONTROL_VALUE);
-        res.headers_mut().insert(CACHE_CONTROL, header_val);
-      }
-    }
-    Ok(res)
-  }
-}