2 extern crate diesel_migrations;
4 use crate::diesel_migrations::MigrationHarness;
6 use actix_web::{web::Data, *};
8 r2d2::{ConnectionManager, Pool},
11 use diesel_migrations::EmbeddedMigrations;
12 use doku::json::{AutoComments, Formatting};
13 use lemmy_api::match_websocket_operation;
14 use lemmy_api_common::{
15 request::build_user_agent,
16 utils::{blocking, check_private_instance_and_federation_enabled},
18 use lemmy_api_crud::match_websocket_operation_crud;
19 use lemmy_db_schema::{source::secret::Secret, utils::get_database_url_from_env};
20 use lemmy_routes::{feeds, images, nodeinfo, webfinger};
23 code_migrations::run_advanced_migrations,
25 root_span_builder::QuieterRootSpanBuilder,
30 rate_limit::{rate_limiter::RateLimiter, RateLimit},
31 settings::{structs::Settings, SETTINGS},
33 use lemmy_websocket::{chat_server::ChatServer, LemmyContext};
35 use reqwest_middleware::ClientBuilder;
36 use reqwest_retry::{policies::ExponentialBackoff, RetryTransientMiddleware};
37 use reqwest_tracing::TracingMiddleware;
44 use tracing_actix_web::TracingLogger;
46 pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!();
48 /// Max timeout for http requests
49 pub const REQWEST_TIMEOUT: Duration = Duration::from_secs(10);
52 async fn main() -> Result<(), LemmyError> {
53 let args: Vec<String> = env::args().collect();
54 if args.len() == 2 && args[1] == "--print-config-docs" {
55 let fmt = Formatting {
56 auto_comments: AutoComments::none(),
59 println!("{}", doku::to_json_fmt_val(&fmt, &Settings::default()));
63 let settings = SETTINGS.to_owned();
65 init_logging(&settings.opentelemetry_url)?;
67 // Set up the r2d2 connection pool
68 let db_url = match get_database_url_from_env() {
70 Err(_) => settings.get_database_url(),
72 let manager = ConnectionManager::<PgConnection>::new(&db_url);
73 let pool = Pool::builder()
74 .max_size(settings.database.pool_size)
77 .unwrap_or_else(|_| panic!("Error connecting to {}", db_url));
79 // Run the migrations from code
80 let protocol_and_hostname = settings.get_protocol_and_hostname();
81 blocking(&pool, move |conn| {
83 .run_pending_migrations(MIGRATIONS)
84 .map_err(|_| LemmyError::from_message("Couldn't run migrations"))?;
85 run_advanced_migrations(conn, &protocol_and_hostname)?;
86 Ok(()) as Result<(), LemmyError>
90 // Schedules various cleanup tasks for the DB
91 let pool2 = pool.clone();
92 thread::spawn(move || {
93 scheduled_tasks::setup(pool2).expect("Couldn't set up scheduled_tasks");
96 // Set up the rate limiter
97 let rate_limiter = RateLimit {
98 rate_limiter: Arc::new(Mutex::new(RateLimiter::default())),
99 rate_limit_config: settings.rate_limit.to_owned().unwrap_or_default(),
102 // Initialize the secrets
103 let conn = &mut pool.get()?;
104 let secret = Secret::init(conn).expect("Couldn't initialize secrets.");
107 "Starting http server at {}:{}",
108 settings.bind, settings.port
111 let reqwest_client = Client::builder()
112 .user_agent(build_user_agent(&settings))
113 .timeout(REQWEST_TIMEOUT)
116 let retry_policy = ExponentialBackoff {
118 max_retry_interval: REQWEST_TIMEOUT,
119 min_retry_interval: Duration::from_millis(100),
123 let client = ClientBuilder::new(reqwest_client.clone())
124 .with(TracingMiddleware::default())
125 .with(RetryTransientMiddleware::new_with_policy(retry_policy))
128 // Pictrs cannot use the retry middleware
129 let pictrs_client = ClientBuilder::new(reqwest_client.clone())
130 .with(TracingMiddleware::default())
133 check_private_instance_and_federation_enabled(&pool, &settings).await?;
135 let chat_server = ChatServer::startup(
137 rate_limiter.clone(),
138 |c, i, o, d| Box::pin(match_websocket_operation(c, i, o, d)),
139 |c, i, o, d| Box::pin(match_websocket_operation_crud(c, i, o, d)),
146 // Create Http server with websocket support
147 let settings_bind = settings.clone();
148 HttpServer::new(move || {
149 let context = LemmyContext::create(
151 chat_server.to_owned(),
156 let rate_limiter = rate_limiter.clone();
158 .wrap(actix_web::middleware::Logger::default())
159 .wrap(TracingLogger::<QuieterRootSpanBuilder>::new())
160 .app_data(Data::new(context))
161 .app_data(Data::new(rate_limiter.clone()))
163 .configure(|cfg| api_routes::config(cfg, &rate_limiter))
164 .configure(|cfg| lemmy_apub::http::routes::config(cfg, &settings))
165 .configure(feeds::config)
166 .configure(|cfg| images::config(cfg, pictrs_client.clone(), &rate_limiter))
167 .configure(nodeinfo::config)
168 .configure(|cfg| webfinger::config(cfg, &settings))
170 .bind((settings_bind.bind, settings_bind.port))?