-#![recursion_limit = "512"]
-#[macro_use]
-extern crate lazy_static;
-extern crate actix;
-extern crate actix_web;
-extern crate base64;
-extern crate bcrypt;
-extern crate captcha;
-extern crate chrono;
-extern crate diesel;
-extern crate dotenv;
-extern crate jsonwebtoken;
-extern crate log;
-extern crate openssl;
-extern crate reqwest;
-extern crate rss;
-extern crate serde;
-extern crate serde_json;
-extern crate sha2;
-extern crate strum;
-
-pub mod api;
-pub mod apub;
+pub mod api_routes_http;
pub mod code_migrations;
-pub mod request;
-pub mod routes;
-pub mod version;
-pub mod websocket;
-
-use crate::{
- request::{retry, RecvError},
- websocket::chat_server::ChatServer,
+#[cfg(feature = "prometheus-metrics")]
+pub mod prometheus_metrics;
+pub mod root_span_builder;
+pub mod scheduled_tasks;
+#[cfg(feature = "console")]
+pub mod telemetry;
+
+use crate::{code_migrations::run_advanced_migrations, root_span_builder::QuieterRootSpanBuilder};
+use activitypub_federation::config::{FederationConfig, FederationMiddleware};
+use actix_cors::Cors;
+use actix_web::{
+ middleware::{self, ErrorHandlers},
+ web::Data,
+ App,
+ HttpServer,
+ Result,
+};
+use lemmy_api_common::{
+ context::LemmyContext,
+ lemmy_db_views::structs::SiteView,
+ request::build_user_agent,
+ utils::{
+ check_private_instance_and_federation_enabled,
+ local_site_rate_limit_to_rate_limit_config,
+ },
+};
+use lemmy_apub::{VerifyUrlData, FEDERATION_HTTP_FETCH_LIMIT};
+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_utils::{
+ error::LemmyError,
+ rate_limit::RateLimitCell,
+ response::jsonify_plain_text_errors,
+ settings::SETTINGS,
+ SYNCHRONOUS_FEDERATION,
};
-use actix::Addr;
-use anyhow::anyhow;
-use background_jobs::QueueHandle;
-use lemmy_db::DbPool;
-use lemmy_utils::{apub::get_apub_protocol_string, settings::Settings, LemmyError};
-use log::error;
-use percent_encoding::{utf8_percent_encode, NON_ALPHANUMERIC};
use reqwest::Client;
-use serde::Deserialize;
-use std::process::Command;
-
-pub struct LemmyContext {
- pub pool: DbPool,
- pub chat_server: Addr<ChatServer>,
- pub client: Client,
- pub activity_queue: QueueHandle,
-}
+use reqwest_middleware::ClientBuilder;
+use reqwest_tracing::TracingMiddleware;
+use std::{env, thread, time::Duration};
+use tracing::subscriber::set_global_default;
+use tracing_actix_web::TracingLogger;
+use tracing_error::ErrorLayer;
+use tracing_log::LogTracer;
+use tracing_subscriber::{filter::Targets, layer::SubscriberExt, Layer, Registry};
+use url::Url;
+#[cfg(feature = "prometheus-metrics")]
+use {
+ actix_web_prom::PrometheusMetricsBuilder,
+ prometheus::default_registry,
+ prometheus_metrics::serve_prometheus,
+};
-impl LemmyContext {
- pub fn new(
- pool: DbPool,
- chat_server: Addr<ChatServer>,
- client: Client,
- activity_queue: QueueHandle,
- ) -> LemmyContext {
- LemmyContext {
- pool,
- chat_server,
- client,
- activity_queue,
- }
- }
- pub fn pool(&self) -> &DbPool {
- &self.pool
- }
- pub fn chat_server(&self) -> &Addr<ChatServer> {
- &self.chat_server
- }
- pub fn client(&self) -> &Client {
- &self.client
- }
- pub fn activity_queue(&self) -> &QueueHandle {
- &self.activity_queue
- }
-}
+/// Max timeout for http requests
+pub(crate) const REQWEST_TIMEOUT: Duration = Duration::from_secs(10);
-impl Clone for LemmyContext {
- fn clone(&self) -> Self {
- LemmyContext::new(
- self.pool.clone(),
- self.chat_server.clone(),
- self.client.clone(),
- self.activity_queue.clone(),
- )
- }
-}
+/// Placing the main function in lib.rs allows other crates to import it and embed Lemmy
+pub async fn start_lemmy_server() -> Result<(), LemmyError> {
+ let args: Vec<String> = env::args().collect();
-#[derive(Deserialize, Debug)]
-pub struct IframelyResponse {
- title: Option<String>,
- description: Option<String>,
- thumbnail_url: Option<String>,
- html: Option<String>,
-}
+ let scheduled_tasks_enabled = args.get(1) != Some(&"--disable-scheduled-tasks".to_string());
-pub async fn fetch_iframely(client: &Client, url: &str) -> Result<IframelyResponse, LemmyError> {
- let fetch_url = format!("http://iframely/oembed?url={}", url);
+ let settings = SETTINGS.to_owned();
- let response = retry(|| client.get(&fetch_url).send()).await?;
+ // Run the DB migrations
+ let db_url = get_database_url(Some(&settings));
+ run_migrations(&db_url);
- let res: IframelyResponse = response
- .json()
- .await
- .map_err(|e| RecvError(e.to_string()))?;
- Ok(res)
-}
+ // Set up the connection pool
+ let pool = build_db_pool(&settings).await?;
-#[derive(Deserialize, Debug, Clone)]
-pub struct PictrsResponse {
- files: Vec<PictrsFile>,
- msg: String,
-}
+ // Run the Code-required migrations
+ run_advanced_migrations(&mut (&pool).into(), &settings).await?;
-#[derive(Deserialize, Debug, Clone)]
-pub struct PictrsFile {
- file: String,
- delete_token: String,
-}
+ // Initialize the secrets
+ let secret = Secret::init(&mut (&pool).into())
+ .await
+ .expect("Couldn't initialize secrets.");
-pub async fn fetch_pictrs(client: &Client, image_url: &str) -> Result<PictrsResponse, LemmyError> {
- is_image_content_type(client, image_url).await?;
+ // Make sure the local site is set up.
+ let site_view = SiteView::read_local(&mut (&pool).into())
+ .await
+ .expect("local site not set up");
+ let local_site = site_view.local_site;
+ let federation_enabled = local_site.federation_enabled;
- let fetch_url = format!(
- "http://pictrs:8080/image/download?url={}",
- utf8_percent_encode(image_url, NON_ALPHANUMERIC) // TODO this might not be needed
- );
+ if federation_enabled {
+ println!("federation enabled, host is {}", &settings.hostname);
+ }
- let response = retry(|| client.get(&fetch_url).send()).await?;
+ check_private_instance_and_federation_enabled(&local_site)?;
- let response: PictrsResponse = response
- .json()
- .await
- .map_err(|e| RecvError(e.to_string()))?;
+ // Set up the rate limiter
+ 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;
- if response.msg == "ok" {
- Ok(response)
- } else {
- Err(anyhow!("{}", &response.msg).into())
- }
-}
+ println!(
+ "Starting http server at {}:{}",
+ settings.bind, settings.port
+ );
-async fn fetch_iframely_and_pictrs_data(
- client: &Client,
- url: Option<String>,
-) -> (
- Option<String>,
- Option<String>,
- Option<String>,
- Option<String>,
-) {
- match &url {
- Some(url) => {
- // Fetch iframely data
- let (iframely_title, iframely_description, iframely_thumbnail_url, iframely_html) =
- match fetch_iframely(client, url).await {
- Ok(res) => (res.title, res.description, res.thumbnail_url, res.html),
- Err(e) => {
- error!("iframely err: {}", e);
- (None, None, None, None)
- }
- };
-
- // Fetch pictrs thumbnail
- let pictrs_hash = match iframely_thumbnail_url {
- Some(iframely_thumbnail_url) => match fetch_pictrs(client, &iframely_thumbnail_url).await {
- Ok(res) => Some(res.files[0].file.to_owned()),
- Err(e) => {
- error!("pictrs err: {}", e);
- None
- }
- },
- // Try to generate a small thumbnail if iframely is not supported
- None => match fetch_pictrs(client, &url).await {
- Ok(res) => Some(res.files[0].file.to_owned()),
- Err(e) => {
- error!("pictrs err: {}", e);
- None
- }
- },
- };
-
- // The full urls are necessary for federation
- let pictrs_thumbnail = if let Some(pictrs_hash) = pictrs_hash {
- Some(format!(
- "{}://{}/pictrs/image/{}",
- get_apub_protocol_string(),
- Settings::get().hostname,
- pictrs_hash
- ))
- } else {
- None
- };
-
- (
- iframely_title,
- iframely_description,
- iframely_html,
- pictrs_thumbnail,
- )
- }
- None => (None, None, None, None),
- }
-}
+ let user_agent = build_user_agent(&settings);
+ let reqwest_client = Client::builder()
+ .user_agent(user_agent.clone())
+ .timeout(REQWEST_TIMEOUT)
+ .connect_timeout(REQWEST_TIMEOUT)
+ .build()?;
+
+ let client = ClientBuilder::new(reqwest_client.clone())
+ .with(TracingMiddleware::default())
+ .build();
+
+ // Pictrs cannot use the retry middleware
+ let pictrs_client = ClientBuilder::new(reqwest_client.clone())
+ .with(TracingMiddleware::default())
+ .build();
+
+ let context = LemmyContext::create(
+ pool.clone(),
+ client.clone(),
+ secret.clone(),
+ rate_limit_cell.clone(),
+ );
-pub async fn is_image_content_type(client: &Client, test: &str) -> Result<(), LemmyError> {
- let response = retry(|| client.get(test).send()).await?;
-
- if response
- .headers()
- .get("Content-Type")
- .ok_or_else(|| anyhow!("No Content-Type header"))?
- .to_str()?
- .starts_with("image/")
- {
- Ok(())
- } else {
- Err(anyhow!("Not an image type.").into())
+ if scheduled_tasks_enabled {
+ // Schedules various cleanup tasks for the DB
+ thread::spawn({
+ let context = context.clone();
+ move || {
+ scheduled_tasks::setup(db_url, user_agent, context)
+ .expect("Couldn't set up scheduled_tasks");
+ }
+ });
}
-}
-pub fn captcha_espeak_wav_base64(captcha: &str) -> Result<String, LemmyError> {
- let mut built_text = String::new();
-
- // Building proper speech text for espeak
- for mut c in captcha.chars() {
- let new_str = if c.is_alphabetic() {
- if c.is_lowercase() {
- c.make_ascii_uppercase();
- format!("lower case {} ... ", c)
- } else {
- c.make_ascii_uppercase();
- format!("capital {} ... ", c)
- }
- } else {
- format!("{} ...", c)
+ #[cfg(feature = "prometheus-metrics")]
+ serve_prometheus(settings.prometheus.as_ref(), context.clone());
+
+ let settings_bind = settings.clone();
+
+ let federation_config = FederationConfig::builder()
+ .domain(settings.hostname.clone())
+ .app_data(context.clone())
+ .client(client.clone())
+ .http_fetch_limit(FEDERATION_HTTP_FETCH_LIMIT)
+ .worker_count(settings.worker_count)
+ .retry_count(settings.retry_count)
+ .debug(*SYNCHRONOUS_FEDERATION)
+ .http_signature_compat(true)
+ .url_verifier(Box::new(VerifyUrlData(context.inner_pool().clone())))
+ .build()
+ .await?;
+
+ // this must come before the HttpServer creation
+ // creates a middleware that populates http metrics for each path, method, and status code
+ #[cfg(feature = "prometheus-metrics")]
+ let prom_api_metrics = PrometheusMetricsBuilder::new("lemmy_api")
+ .registry(default_registry().clone())
+ .build()
+ .expect("Should always be buildable");
+
+ // Create Http server with websocket support
+ HttpServer::new(move || {
+ let cors_origin = std::env::var("LEMMY_CORS_ORIGIN");
+ let cors_config = match (cors_origin, cfg!(debug_assertions)) {
+ (Ok(origin), false) => Cors::default()
+ .allowed_origin(&origin)
+ .allowed_origin(&settings.get_protocol_and_hostname()),
+ _ => Cors::default()
+ .allow_any_origin()
+ .allow_any_method()
+ .allow_any_header()
+ .expose_any_header()
+ .max_age(3600),
};
- built_text.push_str(&new_str);
- }
-
- espeak_wav_base64(&built_text)
+ let app = App::new()
+ .wrap(middleware::Logger::new(
+ // 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
+ "%{r}a '%r' %s %b '%{Referer}i' '%{User-Agent}i' %T",
+ ))
+ .wrap(middleware::Compress::default())
+ .wrap(cors_config)
+ .wrap(TracingLogger::<QuieterRootSpanBuilder>::new())
+ .wrap(ErrorHandlers::new().default_handler(jsonify_plain_text_errors))
+ .app_data(Data::new(context.clone()))
+ .app_data(Data::new(rate_limit_cell.clone()))
+ .wrap(FederationMiddleware::new(federation_config.clone()));
+
+ #[cfg(feature = "prometheus-metrics")]
+ let app = app.wrap(prom_api_metrics.clone());
+
+ // The routes
+ app
+ .configure(|cfg| api_routes_http::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, pictrs_client.clone(), rate_limit_cell))
+ .configure(nodeinfo::config)
+ })
+ .bind((settings_bind.bind, settings_bind.port))?
+ .run()
+ .await?;
+
+ Ok(())
}
-pub fn espeak_wav_base64(text: &str) -> Result<String, LemmyError> {
- // Make a temp file path
- let uuid = uuid::Uuid::new_v4().to_string();
- let file_path = format!("/tmp/lemmy_espeak_{}.wav", &uuid);
+pub fn init_logging(opentelemetry_url: &Option<Url>) -> Result<(), LemmyError> {
+ LogTracer::init()?;
- // Write the wav file
- Command::new("espeak")
- .arg("-w")
- .arg(&file_path)
- .arg(text)
- .status()?;
+ let log_description = std::env::var("RUST_LOG").unwrap_or_else(|_| "info".into());
- // Read the wav file bytes
- let bytes = std::fs::read(&file_path)?;
+ let targets = log_description
+ .trim()
+ .trim_matches('"')
+ .parse::<Targets>()?;
- // Delete the file
- std::fs::remove_file(file_path)?;
+ let format_layer = {
+ #[cfg(feature = "json-log")]
+ let layer = tracing_subscriber::fmt::layer().json();
+ #[cfg(not(feature = "json-log"))]
+ let layer = tracing_subscriber::fmt::layer();
- // Convert to base64
- let base64 = base64::encode(bytes);
+ layer.with_filter(targets.clone())
+ };
- Ok(base64)
-}
+ let subscriber = Registry::default()
+ .with(format_layer)
+ .with(ErrorLayer::default());
-#[cfg(test)]
-mod tests {
- use crate::{captcha_espeak_wav_base64, is_image_content_type};
-
- #[test]
- fn test_image() {
- actix_rt::System::new("tset_image").block_on(async move {
- let client = reqwest::Client::default();
- assert!(is_image_content_type(&client, "https://1734811051.rsc.cdn77.org/data/images/full/365645/as-virus-kills-navajos-in-their-homes-tribal-women-provide-lifeline.jpg?w=600?w=650").await.is_ok());
- assert!(is_image_content_type(&client,
- "https://twitter.com/BenjaminNorton/status/1259922424272957440?s=20"
- )
- .await.is_err()
- );
- });
- }
-
- #[test]
- fn test_espeak() {
- assert!(captcha_espeak_wav_base64("WxRt2l").is_ok())
+ if let Some(_url) = opentelemetry_url {
+ #[cfg(feature = "console")]
+ telemetry::init_tracing(_url.as_ref(), subscriber, targets)?;
+ #[cfg(not(feature = "console"))]
+ tracing::error!("Feature `console` must be enabled for opentelemetry tracing");
+ } else {
+ set_global_default(subscriber)?;
}
- // These helped with testing
- // #[test]
- // fn test_iframely() {
- // let res = fetch_iframely(client, "https://www.redspark.nu/?p=15341").await;
- // assert!(res.is_ok());
- // }
-
- // #[test]
- // fn test_pictshare() {
- // let res = fetch_pictshare("https://upload.wikimedia.org/wikipedia/en/2/27/The_Mandalorian_logo.jpg");
- // assert!(res.is_ok());
- // let res_other = fetch_pictshare("https://upload.wikimedia.org/wikipedia/en/2/27/The_Mandalorian_logo.jpgaoeu");
- // assert!(res_other.is_err());
- // }
+ Ok(())
}
projects / lemmy.git / blobdiff