1 pub mod api_routes_http;
2 pub mod code_migrations;
3 pub mod root_span_builder;
4 pub mod scheduled_tasks;
5 #[cfg(feature = "console")]
8 use crate::{code_migrations::run_advanced_migrations, root_span_builder::QuieterRootSpanBuilder};
9 use activitypub_federation::config::{FederationConfig, FederationMiddleware};
11 use actix_web::{middleware, web::Data, App, HttpServer, Result};
12 use lemmy_api_common::{
13 context::LemmyContext,
14 lemmy_db_views::structs::SiteView,
15 request::build_user_agent,
17 check_private_instance_and_federation_enabled,
18 local_site_rate_limit_to_rate_limit_config,
21 use lemmy_apub::{VerifyUrlData, FEDERATION_HTTP_FETCH_LIMIT};
22 use lemmy_db_schema::{
23 source::secret::Secret,
24 utils::{build_db_pool, get_database_url, run_migrations},
26 use lemmy_routes::{feeds, images, nodeinfo, webfinger};
27 use lemmy_utils::{error::LemmyError, rate_limit::RateLimitCell, settings::SETTINGS};
29 use reqwest_middleware::ClientBuilder;
30 use reqwest_tracing::TracingMiddleware;
31 use std::{env, thread, time::Duration};
32 use tracing::subscriber::set_global_default;
33 use tracing_actix_web::TracingLogger;
34 use tracing_error::ErrorLayer;
35 use tracing_log::LogTracer;
36 use tracing_subscriber::{filter::Targets, layer::SubscriberExt, Layer, Registry};
39 /// Max timeout for http requests
40 pub(crate) const REQWEST_TIMEOUT: Duration = Duration::from_secs(10);
42 /// Placing the main function in lib.rs allows other crates to import it and embed Lemmy
43 pub async fn start_lemmy_server() -> Result<(), LemmyError> {
44 let args: Vec<String> = env::args().collect();
46 let scheduled_tasks_enabled = args.get(1) != Some(&"--disable-scheduled-tasks".to_string());
48 let settings = SETTINGS.to_owned();
50 // Run the DB migrations
51 let db_url = get_database_url(Some(&settings));
52 run_migrations(&db_url);
54 // Set up the connection pool
55 let pool = build_db_pool(&settings).await?;
57 // Run the Code-required migrations
58 run_advanced_migrations(&pool, &settings).await?;
60 // Initialize the secrets
61 let secret = Secret::init(&pool)
63 .expect("Couldn't initialize secrets.");
65 // Make sure the local site is set up.
66 let site_view = SiteView::read_local(&pool)
68 .expect("local site not set up");
69 let local_site = site_view.local_site;
70 let federation_enabled = local_site.federation_enabled;
72 if federation_enabled {
73 println!("federation enabled, host is {}", &settings.hostname);
76 check_private_instance_and_federation_enabled(&local_site)?;
78 // Set up the rate limiter
79 let rate_limit_config =
80 local_site_rate_limit_to_rate_limit_config(&site_view.local_site_rate_limit);
81 let rate_limit_cell = RateLimitCell::new(rate_limit_config).await;
84 "Starting http server at {}:{}",
85 settings.bind, settings.port
88 let user_agent = build_user_agent(&settings);
89 let reqwest_client = Client::builder()
90 .user_agent(user_agent.clone())
91 .timeout(REQWEST_TIMEOUT)
92 .connect_timeout(REQWEST_TIMEOUT)
95 let client = ClientBuilder::new(reqwest_client.clone())
96 .with(TracingMiddleware::default())
99 // Pictrs cannot use the retry middleware
100 let pictrs_client = ClientBuilder::new(reqwest_client.clone())
101 .with(TracingMiddleware::default())
104 let context = LemmyContext::create(
108 rate_limit_cell.clone(),
111 if scheduled_tasks_enabled {
112 // Schedules various cleanup tasks for the DB
114 let context = context.clone();
116 scheduled_tasks::setup(db_url, user_agent, context)
117 .expect("Couldn't set up scheduled_tasks");
122 let settings_bind = settings.clone();
124 let federation_config = FederationConfig::builder()
125 .domain(settings.hostname.clone())
126 .app_data(context.clone())
127 .client(client.clone())
128 .http_fetch_limit(FEDERATION_HTTP_FETCH_LIMIT)
129 .worker_count(settings.worker_count)
130 .retry_count(settings.retry_count)
131 .debug(cfg!(debug_assertions))
132 .http_signature_compat(true)
133 .url_verifier(Box::new(VerifyUrlData(context.pool().clone())))
137 // Create Http server with websocket support
138 HttpServer::new(move || {
139 let cors_config = if cfg!(debug_assertions) {
142 let cors_origin = std::env::var("LEMMY_CORS_ORIGIN").unwrap_or("http://localhost".into());
144 .allowed_origin(&cors_origin)
145 .allowed_origin(&settings.get_protocol_and_hostname())
149 .wrap(middleware::Logger::new(
150 // 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
151 "%{r}a '%r' %s %b '%{Referer}i' '%{User-Agent}i' %T",
153 .wrap(middleware::Compress::default())
155 .wrap(TracingLogger::<QuieterRootSpanBuilder>::new())
156 .app_data(Data::new(context.clone()))
157 .app_data(Data::new(rate_limit_cell.clone()))
158 .wrap(FederationMiddleware::new(federation_config.clone()))
160 .configure(|cfg| api_routes_http::config(cfg, rate_limit_cell))
162 if federation_enabled {
163 lemmy_apub::http::routes::config(cfg);
164 webfinger::config(cfg);
167 .configure(feeds::config)
168 .configure(|cfg| images::config(cfg, pictrs_client.clone(), rate_limit_cell))
169 .configure(nodeinfo::config)
171 .bind((settings_bind.bind, settings_bind.port))?
178 pub fn init_logging(opentelemetry_url: &Option<Url>) -> Result<(), LemmyError> {
181 let log_description = std::env::var("RUST_LOG").unwrap_or_else(|_| "info".into());
183 let targets = log_description
186 .parse::<Targets>()?;
188 let format_layer = tracing_subscriber::fmt::layer().with_filter(targets.clone());
190 let subscriber = Registry::default()
192 .with(ErrorLayer::default());
194 if let Some(_url) = opentelemetry_url {
195 #[cfg(feature = "console")]
196 telemetry::init_tracing(_url.as_ref(), subscriber, targets)?;
197 #[cfg(not(feature = "console"))]
198 tracing::error!("Feature `console` must be enabled for opentelemetry tracing");
200 set_global_default(subscriber)?;