ruwuma/src/lib.rs
2017-10-19 23:24:46 +02:00

275 lines
8.6 KiB
Rust

//! Crate `ruma_client` is a [Matrix](https://matrix.org/) client library.
#![deny(missing_debug_implementations)]
#![deny(missing_docs)]
#![feature(conservative_impl_trait, try_from)]
extern crate futures;
extern crate hyper;
#[cfg(feature = "tls")]
extern crate hyper_tls;
#[cfg(feature = "tls")]
extern crate native_tls;
extern crate ruma_api;
extern crate ruma_client_api;
extern crate ruma_identifiers;
extern crate serde_json;
extern crate serde_urlencoded;
extern crate tokio_core;
extern crate url;
use std::cell::RefCell;
use std::convert::TryInto;
use std::rc::Rc;
use std::str::FromStr;
use futures::future::{Future, FutureFrom, IntoFuture};
use futures::stream::{self, Stream};
use hyper::{Client as HyperClient, Uri};
use hyper::client::{Connect, HttpConnector};
#[cfg(feature = "hyper-tls")]
use hyper_tls::HttpsConnector;
#[cfg(feature = "hyper-tls")]
use native_tls::Error as NativeTlsError;
use ruma_api::Endpoint;
use tokio_core::reactor::Handle;
use url::Url;
pub use error::Error;
pub use session::Session;
/// Matrix client-server API endpoints.
pub mod api;
mod error;
mod session;
/// A client for the Matrix client-server API.
#[derive(Debug)]
pub struct Client<C: Connect>(Rc<ClientData<C>>);
/// Data contained in Client's Rc
#[derive(Debug)]
pub struct ClientData<C>
where
C: Connect,
{
homeserver_url: Url,
hyper: HyperClient<C>,
session: RefCell<Option<Session>>,
}
impl Client<HttpConnector> {
/// Creates a new client for making HTTP requests to the given homeserver.
pub fn new(handle: &Handle, homeserver_url: Url, session: Option<Session>) -> Self {
Client(Rc::new(ClientData {
homeserver_url: homeserver_url,
hyper: HyperClient::configure().keep_alive(true).build(handle),
session: RefCell::new(session),
}))
}
}
#[cfg(feature = "tls")]
impl Client<HttpsConnector<HttpConnector>> {
/// Creates a new client for making HTTPS requests to the given homeserver.
pub fn https(handle: &Handle, homeserver_url: Url, session: Option<Session>) -> Result<Self, NativeTlsError> {
let connector = HttpsConnector::new(4, handle)?;
Ok(Client(Rc::new(ClientData {
homeserver_url: homeserver_url,
hyper: {
HyperClient::configure()
.connector(connector)
.keep_alive(true)
.build(handle)
},
session: RefCell::new(session),
})))
}
}
impl<C> Client<C>
where
C: Connect,
{
/// Creates a new client using the given `hyper::Client`.
///
/// This allows the user to configure the details of HTTP as desired.
pub fn custom(hyper_client: HyperClient<C>, homeserver_url: Url, session: Option<Session>) -> Self {
Client(Rc::new(ClientData {
homeserver_url: homeserver_url,
hyper: hyper_client,
session: RefCell::new(session),
}))
}
/// Log in with a username and password.
///
/// In contrast to api::r0::session::login::call(), this method stores the
/// session data returned by the endpoint in this client, instead of
/// returning it.
pub fn log_in(&self, user: String, password: String)
-> impl Future<Item = (), Error = Error> {
use api::r0::session::login;
let data = self.0.clone();
login::call(self.clone(), login::Request {
address: None,
login_type: login::LoginType::Password,
medium: None,
password,
user,
}).map(move |response| {
*data.session.borrow_mut() =
Some(Session::new(response.access_token, response.user_id));
})
}
/// Register as a guest. In contrast to api::r0::account::register::call(),
/// this method stores the session data returned by the endpoint in this
/// client, instead of returning it.
pub fn register_guest(&self) -> impl Future<Item = (), Error = Error> {
use api::r0::account::register;
let data = self.0.clone();
register::call(self.clone(), register::Request {
auth: None,
bind_email: None,
device_id: None,
initial_device_display_name: None,
kind: Some(register::RegistrationKind::Guest),
password: None,
username: None,
}).map(move |response| {
*data.session.borrow_mut() =
Some(Session::new(response.access_token, response.user_id));
})
}
/// Register as a new user on this server.
///
/// In contrast to api::r0::account::register::call(), this method stores
/// the session data returned by the endpoint in this client, instead of
/// returning it.
///
/// The username is the local part of the returned user_id. If it is
/// omitted from this request, the server will generate one.
pub fn register_user(
&self,
username: Option<String>,
password: String,
) -> impl Future<Item = (), Error = Error> {
use api::r0::account::register;
let data = self.0.clone();
register::call(self.clone(), register::Request {
auth: None,
bind_email: None,
device_id: None,
initial_device_display_name: None,
kind: Some(register::RegistrationKind::User),
password: Some(password),
username: username,
}).map(move |response| {
*data.session.borrow_mut() =
Some(Session::new(response.access_token, response.user_id));
})
}
/// Convenience method that represents repeated calls to the sync_events endpoint as a stream.
///
/// If the since parameter is None, the first Item might take a significant time to arrive and
/// be deserialized, because it contains all events that have occured in the whole lifetime of
/// the logged-in users account and are visible to them.
pub fn sync(
&self,
filter: Option<api::r0::sync::sync_events::Filter>,
since: Option<String>,
set_presence: bool,
) -> impl Stream<Item = api::r0::sync::sync_events::Response, Error = Error> {
use api::r0::sync::sync_events;
let client = self.clone();
let set_presence = if set_presence {
None
} else {
Some(sync_events::SetPresence::Offline)
};
stream::unfold(since, move |since| {
Some(
sync_events::call(
client.clone(),
sync_events::Request {
filter: filter.clone(),
since,
full_state: None,
set_presence: set_presence.clone(),
timeout: None,
},
).map(|res| {
let next_batch_clone = res.next_batch.clone();
(res, Some(next_batch_clone))
})
)
})
}
/// Makes a request to a Matrix API endpoint.
pub(crate) fn request<E>(
self,
request: <E as Endpoint>::Request,
) -> impl Future<Item = E::Response, Error = Error>
where
E: Endpoint,
{
let data1 = self.0.clone();
let data2 = self.0.clone();
let mut url = self.0.homeserver_url.clone();
request
.try_into()
.map_err(Error::from)
.into_future()
.and_then(move |hyper_request| {
{
let uri = hyper_request.uri();
url.set_path(uri.path());
url.set_query(uri.query());
if E::METADATA.requires_authentication {
if let Some(ref session) = *data1.session.borrow() {
url.query_pairs_mut().append_pair("access_token", session.access_token());
} else {
return Err(Error::AuthenticationRequired);
}
}
}
Uri::from_str(url.as_ref().as_ref())
.map(move |uri| (uri, hyper_request))
.map_err(Error::from)
})
.and_then(move |(uri, mut hyper_request)| {
hyper_request.set_uri(uri);
data2.hyper
.request(hyper_request)
.map_err(Error::from)
})
.and_then(|hyper_response| {
E::Response::future_from(hyper_response).map_err(Error::from)
})
}
}
impl<C: Connect> Clone for Client<C> {
fn clone(&self) -> Client<C> {
Client(self.0.clone())
}
}