332 lines
10 KiB
Rust
332 lines
10 KiB
Rust
use std::{
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convert::TryFrom,
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sync::Arc,
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time::{Duration, SystemTime},
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};
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use async_stream::stream;
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use matrix_sdk::{
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api::r0::{account::register::Request as RegistrationRequest, uiaa::AuthData},
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events::{
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room::message::{MessageEvent, MessageEventContent, MessageType},
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AnyMessageEvent, AnyRoomEvent, AnySyncRoomEvent, AnyToDeviceEvent,
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},
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identifiers::{DeviceId, EventId, RoomId, ServerName, UserId},
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reqwest::Url,
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Client, ClientConfig, LoopCtrl, SyncSettings,
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};
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use serde::{Deserialize, Serialize};
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pub type Error = anyhow::Error;
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// Needed to be able to serialize `Session`s. Should be done with serde remote.
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#[derive(Debug, Clone, Deserialize, Serialize)]
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pub struct Session {
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access_token: String,
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pub user_id: UserId,
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pub device_id: Box<DeviceId>,
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pub homeserver: String,
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}
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impl From<Session> for matrix_sdk::Session {
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fn from(s: Session) -> Self {
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Self {
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access_token: s.access_token,
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user_id: s.user_id,
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device_id: s.device_id,
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}
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}
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}
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pub async fn signup(
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username: &str,
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password: &str,
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server: &str,
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device_name: Option<&str>,
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) -> Result<(Client, Session), Error> {
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let url = Url::parse(server)?;
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let client = client(url)?;
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let mut request = RegistrationRequest::new();
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request.username = Some(username);
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request.password = Some(password);
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request.initial_device_display_name = Some(device_name.unwrap_or("retrix"));
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request.inhibit_login = false;
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// Get UIAA session key
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let uiaa = match client.register(request.clone()).await {
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Err(e) => match e.uiaa_response().cloned() {
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Some(uiaa) => uiaa,
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None => return Err(anyhow::anyhow!("Missing UIAA response")),
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},
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Ok(_) => {
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return Err(anyhow::anyhow!("Missing UIAA response"));
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}
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};
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// Get the first step in the authentication flow (we're ignoring the rest)
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let stages = uiaa.flows.get(0);
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let kind = stages.and_then(|flow| flow.stages.get(0)).cloned();
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// Set authentication data, fallback to password type
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request.auth = Some(AuthData::DirectRequest {
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kind: kind.as_deref().unwrap_or("m.login.password"),
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session: uiaa.session.as_deref(),
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auth_parameters: Default::default(),
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});
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let response = client.register(request).await?;
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client.sync_once(SyncSettings::new()).await?;
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let session = Session {
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access_token: response.access_token.unwrap(),
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user_id: response.user_id,
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device_id: response.device_id.unwrap(),
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homeserver: server.to_owned(),
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};
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Ok((client, session))
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}
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/// Login with credentials, creating a new authentication session
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pub async fn login(
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username: &str,
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password: &str,
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server: &str,
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device_name: Option<&str>,
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) -> Result<(Client, Session), Error> {
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let url = Url::parse(server)?;
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let client = client(url)?;
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let response = client
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.login(
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username,
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password,
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None,
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Some(device_name.unwrap_or("retrix")),
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)
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.await?;
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let session = Session {
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access_token: response.access_token,
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user_id: response.user_id,
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device_id: response.device_id,
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homeserver: server.to_owned(),
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};
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write_session(&session)?;
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client.sync_once(SyncSettings::new()).await?;
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Ok((client, session))
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}
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pub async fn restore_login(session: Session) -> Result<(Client, Session), Error> {
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let url = Url::parse(&session.homeserver)?;
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let client = client(url)?;
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client.restore_login(session.clone().into()).await?;
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client.sync_once(SyncSettings::new()).await?;
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Ok((client, session))
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}
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/// Create a matrix client handler with the desired configuration
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fn client(url: Url) -> Result<Client, matrix_sdk::Error> {
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let config = ClientConfig::new().store_path(&dirs::config_dir().unwrap().join("retrix"));
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Client::new_with_config(url, config)
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}
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/// File path to store session data in
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fn session_path() -> std::path::PathBuf {
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dirs::config_dir()
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.unwrap()
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.join("retrix")
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.join("session.toml")
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}
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/// Read session data from config file
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pub fn get_session() -> Result<Option<Session>, Error> {
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let path = session_path();
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if !path.is_file() {
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return Ok(None);
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}
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let session: Session = toml::from_slice(&std::fs::read(path)?)?;
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Ok(Some(session))
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}
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/// Save session data to config file
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fn write_session(session: &Session) -> Result<(), Error> {
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let serialized = toml::to_string(&session)?;
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std::fs::write(session_path(), serialized)?;
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Ok(())
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}
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/// Break down an mxc url to its authority and path
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pub fn parse_mxc(url: &str) -> Result<(Box<ServerName>, String), Error> {
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let url = Url::parse(&url)?;
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anyhow::ensure!(url.scheme() == "mxc", "Not an mxc url");
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let host = url.host_str().ok_or_else(|| anyhow::anyhow!("url"))?;
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let server_name: Box<ServerName> = <&ServerName>::try_from(host)?.into();
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let path = url.path_segments().and_then(|mut p| p.next());
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match path {
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Some(path) => Ok((server_name, path.to_owned())),
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_ => Err(anyhow::anyhow!("Invalid mxc url")),
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}
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}
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/// Makes an iced subscription for listening for matrix events.
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pub struct MatrixSync {
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client: matrix_sdk::Client,
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join: Option<tokio::task::JoinHandle<()>>,
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//id: String,
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}
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impl MatrixSync {
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pub fn subscription(client: matrix_sdk::Client) -> iced::Subscription<Event> {
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iced::Subscription::from_recipe(MatrixSync { client, join: None })
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}
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}
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/// A matrix event that should be passed to the iced subscription
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#[derive(Clone, Debug)]
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pub enum Event {
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/// An event for an invited room
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Invited(AnyRoomEvent, Arc<matrix_sdk::room::Invited>),
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/// An event for a joined room
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Joined(AnyRoomEvent, Arc<matrix_sdk::room::Joined>),
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/// An event for a left room
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Left(AnyRoomEvent, Arc<matrix_sdk::room::Left>),
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/// A to-device event
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ToDevice(AnyToDeviceEvent),
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/// Synchronization token
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Token(String),
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}
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impl<H, I> iced_futures::subscription::Recipe<H, I> for MatrixSync
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where
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H: std::hash::Hasher,
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{
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type Output = Event;
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fn hash(&self, state: &mut H) {
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use std::hash::Hash;
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std::any::TypeId::of::<Self>().hash(state);
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//self.id.hash(state);
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}
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fn stream(
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mut self: Box<Self>,
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_input: iced_futures::BoxStream<I>,
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) -> iced_futures::BoxStream<Self::Output> {
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let (sender, mut receiver) = tokio::sync::mpsc::unbounded_channel();
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let client = self.client.clone();
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let join = tokio::task::spawn(async move {
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client
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.sync_with_callback(
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SyncSettings::new()
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.token(client.sync_token().await.unwrap())
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.timeout(Duration::from_secs(30)),
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|response| async {
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for (id, room) in response.rooms.join {
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let joined = Arc::new(client.get_joined_room(&id).unwrap());
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for event in room.state.events {
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let id = id.clone();
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let event = AnyRoomEvent::State(event.into_full_event(id));
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sender.send(Event::Joined(event, Arc::clone(&joined))).ok();
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}
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for event in room.timeline.events {
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let event = event.into_full_event(id.clone());
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sender.send(Event::Joined(event, Arc::clone(&joined))).ok();
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}
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}
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for event in response.to_device.events {
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sender.send(Event::ToDevice(event)).ok();
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}
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LoopCtrl::Continue
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},
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)
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.await;
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});
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self.join = Some(join);
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let stream = stream! {
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while let Some(item) = receiver.recv().await {
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yield item;
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}
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};
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Box::pin(stream)
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}
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}
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pub trait AnyRoomEventExt {
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/// Gets the event id of the underlying event
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fn event_id(&self) -> &EventId;
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/// Gets the ´origin_server_ts` member of the underlying event
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fn origin_server_ts(&self) -> SystemTime;
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/// Gets the mxc url in a message event if there is noe
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fn image_url(&self) -> Option<String>;
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}
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impl AnyRoomEventExt for AnyRoomEvent {
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fn event_id(&self) -> &EventId {
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match self {
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AnyRoomEvent::Message(e) => e.event_id(),
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AnyRoomEvent::State(e) => e.event_id(),
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AnyRoomEvent::RedactedMessage(e) => e.event_id(),
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AnyRoomEvent::RedactedState(e) => e.event_id(),
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}
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}
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fn origin_server_ts(&self) -> SystemTime {
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match self {
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AnyRoomEvent::Message(e) => e.origin_server_ts(),
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AnyRoomEvent::State(e) => e.origin_server_ts(),
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AnyRoomEvent::RedactedMessage(e) => e.origin_server_ts(),
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AnyRoomEvent::RedactedState(e) => e.origin_server_ts(),
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}
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.to_owned()
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}
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fn image_url(&self) -> Option<String> {
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match self {
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AnyRoomEvent::Message(message) => message.image_url(),
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_ => None,
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}
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}
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}
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pub trait AnyMessageEventExt {
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fn image_url(&self) -> Option<String>;
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}
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impl AnyMessageEventExt for AnyMessageEvent {
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fn image_url(&self) -> Option<String> {
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match self {
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AnyMessageEvent::RoomMessage(MessageEvent {
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content:
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MessageEventContent {
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msgtype: MessageType::Image(ref image),
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..
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},
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..
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}) => image.url.clone(),
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_ => None,
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}
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}
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}
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pub trait AnySyncRoomEventExt {
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fn into_full_event(self, room_id: RoomId) -> AnyRoomEvent;
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}
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impl AnySyncRoomEventExt for AnySyncRoomEvent {
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fn into_full_event(self, id: RoomId) -> AnyRoomEvent {
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match self {
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AnySyncRoomEvent::Message(e) => AnyRoomEvent::Message(e.into_full_event(id)),
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AnySyncRoomEvent::State(e) => AnyRoomEvent::State(e.into_full_event(id)),
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AnySyncRoomEvent::RedactedMessage(e) => {
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AnyRoomEvent::RedactedMessage(e.into_full_event(id))
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}
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AnySyncRoomEvent::RedactedState(e) => {
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AnyRoomEvent::RedactedState(e.into_full_event(id))
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}
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}
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}
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}
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