104 lines
2.9 KiB
Rust
104 lines
2.9 KiB
Rust
use std::sync::Arc;
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use async_trait::async_trait;
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use futures::StreamExt;
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use log::debug;
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use matrix_sdk::{Client, config::SyncSettings, event_handler::Ctx, room::Room};
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use matrix_sdk::ruma::RoomId;
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use matrix_sdk::ruma::events::room::message::{SyncRoomMessageEvent, RoomMessageEventContent};
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use serde::Deserialize;
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use tokio::select;
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use crate::linkmap::Linkmap;
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use crate::supervisor::{Message, Id, Sender, Receiver, Task, TaskResult};
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use super::MatrixConfig;
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#[derive(Debug, Deserialize)]
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pub struct MatrixTask {
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config: MatrixConfig,
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links: Arc<Linkmap<String>>,
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}
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struct Context {
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id: Id,
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tx: Sender,
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rooms: Arc<Linkmap<String>>,
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}
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#[async_trait]
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impl Task for MatrixTask {
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async fn start(&self, id: Id, tx: Sender, mut rx: Receiver) -> TaskResult {
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debug!("{id}: building client");
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let client = Client::builder()
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.server_name(self.config.user.server_name())
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.build().await?;
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debug!("{id}: logging in");
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client.login_username(&self.config.user, &self.config.password)
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.send()
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.await?;
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client.add_event_handler_context(Arc::new(Context {
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id,
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tx,
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rooms: self.links.clone()
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}));
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client.add_event_handler(handle_matrix_msg);
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let mut sync_stream = Box::pin(client.sync_stream(SyncSettings::default()).await);
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debug!("{id}: entering event loop");
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loop {
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select! {
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response = sync_stream.next() => match response {
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Some(Ok(_)) => (),
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Some(Err(e)) => return Err(e.into()),
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None => return Err("Lost connection to Matrix server".into())
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},
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message = rx.recv() => match message {
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Ok(msg) => handle_bridge_msg(id, &client, &self.links, msg).await?,
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Err(e) => return Err(e.into())
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}
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}
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}
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}
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}
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async fn handle_matrix_msg(ev: SyncRoomMessageEvent, client: Client, room: Room, ctx: Ctx<Arc<Context>>) -> TaskResult {
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if Some(ev.sender()) == client.user_id() { return Ok(()) }
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let SyncRoomMessageEvent::Original(ev) = ev else { return Ok(()) };
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let Ok(Some(sender)) = room.get_member(&ev.sender).await else { return Ok(()) };
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let Some(link) = ctx.rooms.get_link(room.room_id().as_str()) else { return Ok(()) };
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let body = ev.content.body();
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debug!("{}: broadcasting message from {:?} to {:?}", ctx.id, room, link);
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ctx.tx.send(Message {
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origin: (ctx.id, room.room_id().to_string()),
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link: link.clone(),
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author: sender.name().to_owned(),
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content: body.to_owned(),
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})?;
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Ok(())
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}
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async fn handle_bridge_msg(id: Id, client: &Client, links: &Linkmap<String>, msg: Message) -> TaskResult {
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let content = RoomMessageEventContent::text_plain(
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format!("<{}> {}", msg.author, msg.content)
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);
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for room in links.get_channels(&msg.link) {
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if msg.origin.0 == id && &msg.origin.1 == room {
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continue;
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}
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let Ok(room) = <&RoomId>::try_from(room.as_str()) else { continue };
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let Some(Room::Joined(room)) = client.get_room(room) else { continue };
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debug!("{id}: bridging message from {:?}/{:?} to {room:?}", msg.origin, msg.link);
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room.send(content.clone(), None).await?;
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}
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Ok(())
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}
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