mirror of https://github.com/mastodon/flodgatt
91 lines
3.6 KiB
Rust
91 lines
3.6 KiB
Rust
use flodgatt::{
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config, dbg_and_die, err,
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parse_client_request::{sse, user, ws},
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redis_to_client_stream::{self, ClientAgent},
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};
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use log::warn;
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use std::{collections::HashMap, env, net};
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use warp::{ws::Ws2, Filter as WarpFilter};
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fn main() {
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dotenv::from_filename(
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match env::var("ENV").ok().as_ref().map(String::as_str) {
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Some("production") => ".env.production",
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Some("development") | None => ".env",
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Some(_) => err::die_with_msg("Unknown ENV variable specified.\n Valid options are: `production` or `development`."),
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}).ok();
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let env_vars_map: HashMap<_, _> = dotenv::vars().collect();
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let env_vars = config::EnvVar(env_vars_map);
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pretty_env_logger::init();
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let redis_cfg = config::RedisConfig::from_env(env_vars.clone());
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let cfg = config::DeploymentConfig::from_env(env_vars.clone());
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let postgres_cfg = config::PostgresConfig::from_env(env_vars.clone());
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let client_agent_sse = ClientAgent::blank(redis_cfg);
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let client_agent_ws = client_agent_sse.clone_with_shared_receiver();
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let pg_conn = user::PostgresConn::new(postgres_cfg);
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warn!("Streaming server initialized and ready to accept connections");
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// Server Sent Events
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let sse_update_interval = *cfg.ws_interval;
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let sse_routes = sse::extract_user_or_reject(pg_conn.clone())
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.and(warp::sse())
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.map(
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move |user: user::User, sse_connection_to_client: warp::sse::Sse| {
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// Create a new ClientAgent
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let mut client_agent = client_agent_sse.clone_with_shared_receiver();
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// Assign ClientAgent to generate stream of updates for the user/timeline pair
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client_agent.init_for_user(user);
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// send the updates through the SSE connection
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redis_to_client_stream::send_updates_to_sse(
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client_agent,
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sse_connection_to_client,
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sse_update_interval,
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)
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},
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)
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.with(warp::reply::with::header("Connection", "keep-alive"))
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.recover(err::handle_errors);
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// WebSocket
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let ws_update_interval = *cfg.ws_interval;
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let websocket_routes = ws::extract_user_or_reject(pg_conn.clone())
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.and(warp::ws::ws2())
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.map(move |user: user::User, ws: Ws2| {
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let token = user.access_token.clone();
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// Create a new ClientAgent
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let mut client_agent = client_agent_ws.clone_with_shared_receiver();
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// Assign that agent to generate a stream of updates for the user/timeline pair
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client_agent.init_for_user(user);
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// send the updates through the WS connection (along with the User's access_token
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// which is sent for security)
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(
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ws.on_upgrade(move |socket| {
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redis_to_client_stream::send_updates_to_ws(
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socket,
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client_agent,
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ws_update_interval,
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)
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}),
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token,
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)
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})
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.map(|(reply, token)| warp::reply::with_header(reply, "sec-websocket-protocol", token));
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let cors = warp::cors()
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.allow_any_origin()
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.allow_methods(cfg.cors.allowed_methods)
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.allow_headers(cfg.cors.allowed_headers);
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let server_addr = net::SocketAddr::new(*cfg.address, cfg.port.0);
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if let Some(_socket) = cfg.unix_socket.0.as_ref() {
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dbg_and_die!("Unix socket support not yet implemented");
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} else {
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warp::serve(websocket_routes.or(sse_routes).with(cors)).run(server_addr);
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}
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}
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