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 doku::json::{AutoComments, CommentsStyle, Formatting, ObjectsStyle};
13 use lemmy_api_common::{
14 context::LemmyContext,
15 lemmy_db_views::structs::SiteView,
16 request::build_user_agent,
18 check_private_instance_and_federation_enabled,
19 local_site_rate_limit_to_rate_limit_config,
21 websocket::chat_server::ChatServer,
23 use lemmy_apub::{VerifyUrlData, FEDERATION_HTTP_FETCH_LIMIT};
24 use lemmy_db_schema::{
25 source::secret::Secret,
26 utils::{build_db_pool, get_database_url, run_migrations},
28 use lemmy_routes::{feeds, images, nodeinfo, webfinger};
31 rate_limit::RateLimitCell,
32 settings::{structs::Settings, SETTINGS},
35 use reqwest_middleware::ClientBuilder;
36 use reqwest_tracing::TracingMiddleware;
37 use std::{env, thread, time::Duration};
38 use tracing::subscriber::set_global_default;
39 use tracing_actix_web::TracingLogger;
40 use tracing_error::ErrorLayer;
41 use tracing_log::LogTracer;
42 use tracing_subscriber::{filter::Targets, layer::SubscriberExt, Layer, Registry};
45 /// Max timeout for http requests
46 pub(crate) const REQWEST_TIMEOUT: Duration = Duration::from_secs(10);
48 /// Placing the main function in lib.rs allows other crates to import it and embed Lemmy
49 pub async fn start_lemmy_server() -> Result<(), LemmyError> {
50 let args: Vec<String> = env::args().collect();
51 if args.get(1) == Some(&"--print-config-docs".to_string()) {
52 let fmt = Formatting {
53 auto_comments: AutoComments::none(),
54 comments_style: CommentsStyle {
55 separator: "#".to_owned(),
57 objects_style: ObjectsStyle {
58 surround_keys_with_quotes: false,
59 use_comma_as_separator: false,
63 println!("{}", doku::to_json_fmt_val(&fmt, &Settings::default()));
67 let settings = SETTINGS.to_owned();
69 // Run the DB migrations
70 let db_url = get_database_url(Some(&settings));
71 run_migrations(&db_url);
73 // Set up the connection pool
74 let pool = build_db_pool(&settings).await?;
76 // Run the Code-required migrations
77 run_advanced_migrations(&pool, &settings).await?;
79 // Initialize the secrets
80 let secret = Secret::init(&pool)
82 .expect("Couldn't initialize secrets.");
84 // Make sure the local site is set up.
85 let site_view = SiteView::read_local(&pool)
87 .expect("local site not set up");
88 let local_site = site_view.local_site;
89 let federation_enabled = local_site.federation_enabled;
91 if federation_enabled {
92 println!("federation enabled, host is {}", &settings.hostname);
95 check_private_instance_and_federation_enabled(&local_site)?;
97 // Set up the rate limiter
98 let rate_limit_config =
99 local_site_rate_limit_to_rate_limit_config(&site_view.local_site_rate_limit);
100 let rate_limit_cell = RateLimitCell::new(rate_limit_config).await;
103 "Starting http server at {}:{}",
104 settings.bind, settings.port
107 let user_agent = build_user_agent(&settings);
108 let reqwest_client = Client::builder()
109 .user_agent(user_agent.clone())
110 .timeout(REQWEST_TIMEOUT)
111 .connect_timeout(REQWEST_TIMEOUT)
114 let client = ClientBuilder::new(reqwest_client.clone())
115 .with(TracingMiddleware::default())
118 // Pictrs cannot use the retry middleware
119 let pictrs_client = ClientBuilder::new(reqwest_client.clone())
120 .with(TracingMiddleware::default())
123 // Schedules various cleanup tasks for the DB
124 thread::spawn(move || {
125 scheduled_tasks::setup(db_url, user_agent).expect("Couldn't set up scheduled_tasks");
128 let chat_server = ChatServer::default().start();
130 // Create Http server with websocket support
131 let settings_bind = settings.clone();
132 HttpServer::new(move || {
133 let context = LemmyContext::create(
138 rate_limit_cell.clone(),
141 let federation_config = FederationConfig::builder()
142 .domain(settings.hostname.clone())
143 .app_data(context.clone())
144 .client(client.clone())
145 .http_fetch_limit(FEDERATION_HTTP_FETCH_LIMIT)
146 .worker_count(local_site.federation_worker_count as u64)
147 .debug(cfg!(debug_assertions))
148 .http_signature_compat(true)
149 .url_verifier(Box::new(VerifyUrlData(context.pool().clone())))
151 .expect("configure federation");
154 .wrap(middleware::Logger::default())
155 .wrap(TracingLogger::<QuieterRootSpanBuilder>::new())
156 .app_data(Data::new(context))
157 .app_data(Data::new(rate_limit_cell.clone()))
158 .wrap(FederationMiddleware::new(federation_config))
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)?;