107 lines
3 KiB
Rust
107 lines
3 KiB
Rust
use std::{env, process::exit};
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use tokio::time::{delay_for, Duration};
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use matrix_sdk::{
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self, async_trait,
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events::{room::member::MemberEventContent, StrippedStateEvent},
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Client, ClientConfig, EventEmitter, RoomState, SyncSettings,
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};
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use url::Url;
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struct AutoJoinBot {
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client: Client,
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}
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impl AutoJoinBot {
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pub fn new(client: Client) -> Self {
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Self { client }
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}
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}
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#[async_trait]
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impl EventEmitter for AutoJoinBot {
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async fn on_stripped_state_member(
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&self,
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room: RoomState,
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room_member: &StrippedStateEvent<MemberEventContent>,
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_: Option<MemberEventContent>,
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) {
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if room_member.state_key != self.client.user_id().await.unwrap() {
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return;
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}
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if let RoomState::Invited(room) = room {
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println!("Autojoining room {}", room.room_id());
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let mut delay = 2;
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while let Err(err) = self.client.join_room_by_id(room.room_id()).await {
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// retry autojoin due to synapse sending invites, before the
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// invited user can join for more information see
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// https://github.com/matrix-org/synapse/issues/4345
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eprintln!(
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"Failed to join room {} ({:?}), retrying in {}s",
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room.room_id(),
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err,
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delay
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);
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delay_for(Duration::from_secs(delay)).await;
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delay *= 2;
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if delay > 3600 {
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eprintln!("Can't join room {} ({:?})", room.room_id(), err);
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break;
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}
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}
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println!("Successfully joined room {}", room.room_id());
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}
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}
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}
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async fn login_and_sync(
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homeserver_url: String,
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username: &str,
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password: &str,
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) -> Result<(), matrix_sdk::Error> {
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let mut home = dirs::home_dir().expect("no home directory found");
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home.push("autojoin_bot");
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let client_config = ClientConfig::new().store_path(home);
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let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
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let client = Client::new_with_config(homeserver_url, client_config).unwrap();
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client
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.login(username, password, None, Some("autojoin bot"))
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.await?;
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println!("logged in as {}", username);
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client
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.add_event_emitter(Box::new(AutoJoinBot::new(client.clone())))
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.await;
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client.sync(SyncSettings::default()).await;
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Ok(())
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}
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#[tokio::main]
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async fn main() -> Result<(), matrix_sdk::Error> {
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tracing_subscriber::fmt::init();
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let (homeserver_url, username, password) =
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match (env::args().nth(1), env::args().nth(2), env::args().nth(3)) {
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(Some(a), Some(b), Some(c)) => (a, b, c),
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_ => {
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eprintln!(
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"Usage: {} <homeserver_url> <username> <password>",
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env::args().next().unwrap()
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);
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exit(1)
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}
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};
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login_and_sync(homeserver_url, &username, &password).await?;
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Ok(())
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}
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