128 lines
4.3 KiB
Rust
128 lines
4.3 KiB
Rust
use std::{env, process::exit};
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use matrix_sdk::{
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self,
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events::room::message::{MessageEvent, MessageEventContent, TextMessageEventContent},
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Client, ClientConfig, EventEmitter, JsonStore, RoomState, SyncSettings,
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};
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use url::Url;
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struct CommandBot {
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/// This clone of the `Client` will send requests to the server,
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/// while the other keeps us in sync with the server using `sync_forever`.
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client: Client,
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}
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impl CommandBot {
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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::async_trait]
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impl EventEmitter for CommandBot {
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async fn on_room_message(&self, room: RoomState, event: &MessageEvent) {
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if let RoomState::Joined(room) = room {
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let msg_body = if let MessageEvent {
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content: MessageEventContent::Text(TextMessageEventContent { body: msg_body, .. }),
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..
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} = event
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{
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msg_body.clone()
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} else {
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String::new()
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};
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if msg_body.contains("!party") {
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let content = MessageEventContent::Text(TextMessageEventContent {
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body: "🎉🎊🥳 let's PARTY!! 🥳🎊🎉".to_string(),
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format: None,
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formatted_body: None,
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relates_to: None,
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});
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// we clone here to hold the lock for as little time as possible.
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let room_id = room.read().await.room_id.clone();
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println!("sending");
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self.client
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// send our message to the room we found the "!party" command in
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// the last parameter is an optional Uuid which we don't care about.
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.room_send(&room_id, content, None)
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.await
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.unwrap();
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println!("message sent");
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}
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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: String,
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password: String,
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) -> Result<(), matrix_sdk::Error> {
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// the location for `JsonStore` to save files to
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let mut home = dirs::home_dir().expect("no home directory found");
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home.push("party_bot");
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let store = JsonStore::open(&home)?;
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let client_config = ClientConfig::new()
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.proxy("http://localhost:8080")?
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.disable_ssl_verification()
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.state_store(Box::new(store));
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let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
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// create a new Client with the given homeserver url and config
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let mut client = Client::new_with_config(homeserver_url, None, client_config).unwrap();
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client
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.login(
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username.clone(),
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password,
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None,
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Some("command bot".to_string()),
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)
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.await?;
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println!("logged in as {}", username);
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// An initial sync to set up state and so our bot doesn't respond to old messages.
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// If the `StateStore` finds saved state in the location given the initial sync will
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// be skipped in favor of loading state from the store
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client.sync(SyncSettings::default()).await.unwrap();
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// add our CommandBot to be notified of incoming messages, we do this after the initial
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// sync to avoid responding to messages before the bot was running.
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client
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.add_event_emitter(Box::new(CommandBot::new(client.clone())))
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.await;
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// since we called sync before we `sync_forever` we must pass that sync token to
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// `sync_forever`
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let settings = SyncSettings::default().token(client.sync_token().await.unwrap());
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// this keeps state from the server streaming in to CommandBot via the EventEmitter trait
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client.sync_forever(settings, |_| async {}).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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