mirror of https://github.com/mastodon/flodgatt
110 lines
4.9 KiB
Rust
110 lines
4.9 KiB
Rust
use futures::{stream::Stream, Async};
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use ragequit::{
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any_of, config, error,
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stream_manager::StreamManager,
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timeline,
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user::{Filter::*, User},
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ws,
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};
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use warp::{ws::Ws2, Filter as WarpFilter};
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fn main() {
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config::logging_and_env();
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let stream_manager_sse = StreamManager::new();
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let stream_manager_ws = stream_manager_sse.clone();
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// Server Sent Events
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let sse_routes = any_of!(
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// GET /api/v1/streaming/user/notification [private; notification filter]
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timeline::user_notifications(),
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// GET /api/v1/streaming/user [private; language filter]
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timeline::user(),
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// GET /api/v1/streaming/public/local?only_media=true [public; language filter]
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timeline::public_local_media(),
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// GET /api/v1/streaming/public?only_media=true [public; language filter]
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timeline::public_media(),
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// GET /api/v1/streaming/public/local [public; language filter]
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timeline::public_local(),
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// GET /api/v1/streaming/public [public; language filter]
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timeline::public(),
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// GET /api/v1/streaming/direct [private; *no* filter]
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timeline::direct(),
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// GET /api/v1/streaming/hashtag?tag=:hashtag [public; no filter]
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timeline::hashtag(),
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// GET /api/v1/streaming/hashtag/local?tag=:hashtag [public; no filter]
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timeline::hashtag_local(),
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// GET /api/v1/streaming/list?list=:list_id [private; no filter]
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timeline::list()
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)
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.untuple_one()
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.and(warp::sse())
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.map(move |timeline: String, user: User, sse: warp::sse::Sse| {
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let mut stream_manager = stream_manager_sse.manage_new_timeline(&timeline, user);
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let event_stream = tokio::timer::Interval::new(
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std::time::Instant::now(),
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std::time::Duration::from_millis(100),
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)
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.filter_map(move |_| match stream_manager.poll() {
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Ok(Async::Ready(Some(json_value))) => Some((
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warp::sse::event(json_value["event"].clone().to_string()),
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warp::sse::data(json_value["payload"].clone()),
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)),
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_ => None,
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});
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sse.reply(warp::sse::keep(event_stream, None))
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})
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.with(warp::reply::with::header("Connection", "keep-alive"))
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.recover(error::handle_errors);
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// WebSocket
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let websocket_routes = ws::websocket_routes()
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.and_then(move |mut user: User, q: ws::Query, ws: Ws2| {
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let read_scope = user.scopes.clone();
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let timeline = match q.stream.as_ref() {
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// Public endpoints:
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tl @ "public" | tl @ "public:local" if q.media => format!("{}:media", tl),
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tl @ "public:media" | tl @ "public:local:media" => tl.to_string(),
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tl @ "public" | tl @ "public:local" => tl.to_string(),
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// Hashtag endpoints:
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// TODO: handle missing query
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tl @ "hashtag" | tl @ "hashtag:local" => format!("{}:{}", tl, q.hashtag),
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// Private endpoints: User
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"user" if user.logged_in && (read_scope.all || read_scope.statuses) => {
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format!("{}", user.id)
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}
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"user:notification" if user.logged_in && (read_scope.all || read_scope.notify) => {
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user = user.set_filter(Notification);
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format!("{}", user.id)
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}
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// List endpoint:
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// TODO: handle missing query
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"list" if user.owns_list(q.list) && (read_scope.all || read_scope.lists) => {
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format!("list:{}", q.list)
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}
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// Direct endpoint:
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"direct" if user.logged_in && (read_scope.all || read_scope.statuses) => {
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"direct".to_string()
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}
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// Reject unathorized access attempts for private endpoints
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"user" | "user:notification" | "direct" | "list" => {
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return Err(warp::reject::custom("Error: Invalid Access Token"))
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}
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// Other endpoints don't exist:
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_ => return Err(warp::reject::custom("Error: Nonexistent WebSocket query")),
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};
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let token = user.access_token.clone();
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let stream_manager = stream_manager_ws.manage_new_timeline(&timeline, user);
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Ok((
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ws.on_upgrade(move |socket| ws::send_replies(socket, stream_manager)),
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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 = config::cross_origin_resource_sharing();
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let address = config::socket_address();
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warp::serve(websocket_routes.or(sse_routes).with(cors)).run(address);
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}
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