src/main.rs

   1 #[macro_use]
   2 extern crate diesel_migrations;
   3
   4 use actix::prelude::*;
   5 use actix_web::{web::Data, *};
   6 use diesel::{
   7   r2d2::{ConnectionManager, Pool},
   8   PgConnection,
   9 };
  10 use doku::json::{AutoComments, Formatting};
  11 use lemmy_api::match_websocket_operation;
  12 use lemmy_api_common::{
  13   request::build_user_agent,
  14   utils::{blocking, check_private_instance_and_federation_enabled},
  15 };
  16 use lemmy_api_crud::match_websocket_operation_crud;
  17 use lemmy_apub_lib::activity_queue::create_activity_queue;
  18 use lemmy_db_schema::{source::secret::Secret, utils::get_database_url_from_env};
  19 use lemmy_routes::{feeds, images, nodeinfo, webfinger};
  20 use lemmy_server::{
  21   api_routes,
  22   code_migrations::run_advanced_migrations,
  23   init_logging,
  24   root_span_builder::QuieterRootSpanBuilder,
  25   scheduled_tasks,
  26 };
  27 use lemmy_utils::{
  28   rate_limit::{rate_limiter::RateLimiter, RateLimit},
  29   settings::structs::Settings,
  30   LemmyError,
  31   REQWEST_TIMEOUT,
  32 };
  33 use lemmy_websocket::{chat_server::ChatServer, LemmyContext};
  34 use parking_lot::Mutex;
  35 use reqwest::Client;
  36 use reqwest_middleware::ClientBuilder;
  37 use reqwest_tracing::TracingMiddleware;
  38 use std::{env, sync::Arc, thread};
  39 use tracing_actix_web::TracingLogger;
  40
  41 embed_migrations!();
  42
  43 #[actix_web::main]
  44 async fn main() -> Result<(), LemmyError> {
  45   let args: Vec<String> = env::args().collect();
  46   if args.len() == 2 && args[1] == "--print-config-docs" {
  47     let fmt = Formatting {
  48       auto_comments: AutoComments::none(),
  49       ..Default::default()
  50     };
  51     println!("{}", doku::to_json_fmt_val(&fmt, &Settings::default()));
  52     return Ok(());
  53   }
  54
  55   let settings = Settings::init().expect("Couldn't initialize settings.");
  56
  57   init_logging(settings.opentelemetry_url.as_deref())?;
  58
  59   // Set up the r2d2 connection pool
  60   let db_url = match get_database_url_from_env() {
  61     Ok(url) => url,
  62     Err(_) => settings.get_database_url(),
  63   };
  64   let manager = ConnectionManager::<PgConnection>::new(&db_url);
  65   let pool = Pool::builder()
  66     .max_size(settings.database.pool_size)
  67     .build(manager)
  68     .unwrap_or_else(|_| panic!("Error connecting to {}", db_url));
  69
  70   // Run the migrations from code
  71   let protocol_and_hostname = settings.get_protocol_and_hostname();
  72   blocking(&pool, move |conn| {
  73     embedded_migrations::run(conn)?;
  74     run_advanced_migrations(conn, &protocol_and_hostname)?;
  75     Ok(()) as Result<(), LemmyError>
  76   })
  77   .await??;
  78
  79   // Schedules various cleanup tasks for the DB
  80   let pool2 = pool.clone();
  81   thread::spawn(move || {
  82     scheduled_tasks::setup(pool2).expect("Couldn't set up scheduled_tasks");
  83   });
  84
  85   // Set up the rate limiter
  86   let rate_limiter = RateLimit {
  87     rate_limiter: Arc::new(Mutex::new(RateLimiter::default())),
  88     rate_limit_config: settings.rate_limit.to_owned().unwrap_or_default(),
  89   };
  90
  91   // Initialize the secrets
  92   let conn = pool.get()?;
  93   let secret = Secret::init(&conn).expect("Couldn't initialize secrets.");
  94
  95   println!(
  96     "Starting http server at {}:{}",
  97     settings.bind, settings.port
  98   );
  99
 100   let client = Client::builder()
 101     .user_agent(build_user_agent(&settings))
 102     .timeout(REQWEST_TIMEOUT)
 103     .build()?;
 104
 105   let client = ClientBuilder::new(client).with(TracingMiddleware).build();
 106
 107   let queue_manager = create_activity_queue(client.clone(), settings.federation.worker_count);
 108
 109   let activity_queue = queue_manager.queue_handle().clone();
 110
 111   check_private_instance_and_federation_enabled(&pool, &settings).await?;
 112
 113   let chat_server = ChatServer::startup(
 114     pool.clone(),
 115     rate_limiter.clone(),
 116     |c, i, o, d| Box::pin(match_websocket_operation(c, i, o, d)),
 117     |c, i, o, d| Box::pin(match_websocket_operation_crud(c, i, o, d)),
 118     client.clone(),
 119     activity_queue.clone(),
 120     settings.clone(),
 121     secret.clone(),
 122   )
 123   .start();
 124
 125   // Create Http server with websocket support
 126   let settings_bind = settings.clone();
 127   HttpServer::new(move || {
 128     let context = LemmyContext::create(
 129       pool.clone(),
 130       chat_server.to_owned(),
 131       client.clone(),
 132       activity_queue.to_owned(),
 133       settings.to_owned(),
 134       secret.to_owned(),
 135     );
 136     let rate_limiter = rate_limiter.clone();
 137     App::new()
 138       .wrap(actix_web::middleware::Logger::default())
 139       .wrap(TracingLogger::<QuieterRootSpanBuilder>::new())
 140       .app_data(Data::new(context))
 141       .app_data(Data::new(rate_limiter.clone()))
 142       // The routes
 143       .configure(|cfg| api_routes::config(cfg, &rate_limiter))
 144       .configure(|cfg| lemmy_apub::http::routes::config(cfg, &settings))
 145       .configure(feeds::config)
 146       .configure(|cfg| images::config(cfg, client.clone(), &rate_limiter))
 147       .configure(nodeinfo::config)
 148       .configure(|cfg| webfinger::config(cfg, &settings))
 149   })
 150   .bind((settings_bind.bind, settings_bind.port))?
 151   .run()
 152   .await?;
 153
 154   drop(queue_manager);
 155
 156   Ok(())
 157 }