230 lines
7.4 KiB
Rust
230 lines
7.4 KiB
Rust
use std::{
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sync::{Arc, Mutex},
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time::Duration,
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};
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use assign::assign;
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use async_stream::try_stream;
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use futures_core::stream::Stream;
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use ruma_client_api::{
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account::register::{self, RegistrationKind},
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session::login::{self, v3::LoginInfo},
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sync::sync_events,
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uiaa::UserIdentifier,
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};
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use ruma_common::{
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api::{MatrixVersion, OutgoingRequest, SendAccessToken},
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presence::PresenceState,
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DeviceId, UserId,
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};
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use crate::{
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add_user_id_to_query, send_customized_request, Error, HttpClient, ResponseError, ResponseResult,
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};
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mod builder;
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pub use self::builder::ClientBuilder;
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/// A client for the Matrix client-server API.
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#[derive(Clone, Debug)]
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pub struct Client<C>(Arc<ClientData<C>>);
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/// Data contained in Client's Rc
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#[derive(Debug)]
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struct ClientData<C> {
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/// The URL of the homeserver to connect to.
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homeserver_url: String,
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/// The underlying HTTP client.
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http_client: C,
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/// The access token, if logged in.
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access_token: Mutex<Option<String>>,
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/// The (known) Matrix versions the homeserver supports.
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supported_matrix_versions: Vec<MatrixVersion>,
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}
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impl Client<()> {
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/// Creates a new client builder.
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pub fn builder() -> ClientBuilder {
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ClientBuilder::new()
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}
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}
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impl<C> Client<C> {
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/// Get a copy of the current `access_token`, if any.
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///
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/// Useful for serializing and persisting the session to be restored later.
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pub fn access_token(&self) -> Option<String> {
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self.0.access_token.lock().expect("session mutex was poisoned").clone()
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}
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}
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impl<C: HttpClient> Client<C> {
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/// Makes a request to a Matrix API endpoint.
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pub async fn send_request<R: OutgoingRequest>(&self, request: R) -> ResponseResult<C, R> {
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self.send_customized_request(request, |_| Ok(())).await
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}
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/// Makes a request to a Matrix API endpoint including additional URL parameters.
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pub async fn send_customized_request<R, F>(
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&self,
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request: R,
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customize: F,
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) -> ResponseResult<C, R>
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where
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R: OutgoingRequest,
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F: FnOnce(&mut http::Request<C::RequestBody>) -> Result<(), ResponseError<C, R>>,
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{
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let access_token = self.access_token();
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let send_access_token = match access_token.as_deref() {
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Some(at) => SendAccessToken::IfRequired(at),
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None => SendAccessToken::None,
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};
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send_customized_request(
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&self.0.http_client,
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&self.0.homeserver_url,
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send_access_token,
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&self.0.supported_matrix_versions,
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request,
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customize,
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)
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.await
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}
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/// Makes a request to a Matrix API endpoint as a virtual user.
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///
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/// This method is meant to be used by application services when interacting with the
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/// client-server API.
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pub async fn send_request_as<R: OutgoingRequest>(
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&self,
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user_id: &UserId,
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request: R,
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) -> ResponseResult<C, R> {
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self.send_customized_request(request, add_user_id_to_query::<C, R>(user_id)).await
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}
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/// Log in with a username and password.
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///
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/// In contrast to [`send_request`][Self::send_request], this method stores the access token
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/// returned by the endpoint in this client, in addition to returning it.
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pub async fn log_in(
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&self,
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user: &str,
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password: &str,
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device_id: Option<&DeviceId>,
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initial_device_display_name: Option<&str>,
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) -> Result<login::v3::Response, Error<C::Error, ruma_client_api::Error>> {
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let login_info = LoginInfo::Password(login::v3::Password::new(
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UserIdentifier::UserIdOrLocalpart(user.to_owned()),
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password.to_owned(),
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));
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let response = self
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.send_request(assign!(login::v3::Request::new(login_info), {
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device_id: device_id.map(ToOwned::to_owned),
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initial_device_display_name: initial_device_display_name.map(ToOwned::to_owned),
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}))
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.await?;
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*self.0.access_token.lock().unwrap() = Some(response.access_token.clone());
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Ok(response)
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}
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/// Register as a guest.
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///
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/// In contrast to [`send_request`][Self::send_request], this method stores the access token
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/// returned by the endpoint in this client, in addition to returning it.
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pub async fn register_guest(
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&self,
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) -> Result<register::v3::Response, Error<C::Error, ruma_client_api::uiaa::UiaaResponse>> {
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let response = self
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.send_request(assign!(register::v3::Request::new(), { kind: RegistrationKind::Guest }))
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.await?;
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*self.0.access_token.lock().unwrap() = response.access_token.clone();
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Ok(response)
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}
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/// Register as a new user on this server.
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///
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/// In contrast to [`send_request`][Self::send_request], this method stores the access token
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/// returned by the endpoint in this client, in addition to returning it.
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///
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/// The username is the local part of the returned user_id. If it is omitted from this request,
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/// the server will generate one.
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pub async fn register_user(
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&self,
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username: Option<&str>,
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password: &str,
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) -> Result<register::v3::Response, Error<C::Error, ruma_client_api::uiaa::UiaaResponse>> {
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let response = self
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.send_request(assign!(register::v3::Request::new(), {
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username: username.map(ToOwned::to_owned),
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password: Some(password.to_owned())
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}))
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.await?;
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*self.0.access_token.lock().unwrap() = response.access_token.clone();
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Ok(response)
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}
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/// Convenience method that represents repeated calls to the sync_events endpoint as a stream.
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///
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/// # Example:
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///
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/// ```no_run
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/// use std::time::Duration;
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///
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/// # use ruma_common::presence::PresenceState;
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/// # use tokio_stream::{StreamExt as _};
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/// # let homeserver_url = "https://example.com".to_owned();
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/// # async {
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/// # let client = ruma_client::Client::builder()
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/// # .homeserver_url(homeserver_url)
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/// # .build::<ruma_client::http_client::Dummy>()
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/// # .await?;
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/// # let next_batch_token = String::new();
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/// let mut sync_stream = Box::pin(client.sync(
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/// None,
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/// next_batch_token,
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/// PresenceState::Online,
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/// Some(Duration::from_secs(30)),
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/// ));
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/// while let Some(response) = sync_stream.try_next().await? {
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/// // Do something with the data in the response...
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/// }
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/// # Result::<(), ruma_client::Error<_, _>>::Ok(())
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/// # };
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/// ```
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pub fn sync(
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&self,
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filter: Option<sync_events::v3::Filter>,
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mut since: String,
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set_presence: PresenceState,
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timeout: Option<Duration>,
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) -> impl Stream<Item = Result<sync_events::v3::Response, Error<C::Error, ruma_client_api::Error>>>
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+ '_ {
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try_stream! {
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loop {
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let response = self
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.send_request(assign!(sync_events::v3::Request::new(), {
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filter: filter.clone(),
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since: Some(since.clone()),
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set_presence: set_presence.clone(),
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timeout,
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}))
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.await?;
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since = response.next_batch.clone();
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yield response;
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}
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}
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}
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}
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