ruma_client_api/membership/
join_room_by_id_or_alias.rs

1//! `POST /_matrix/client/*/join/{roomIdOrAlias}`
2//!
3//! Join a room using its ID or one of its aliases.
4
5pub mod v3 {
6    //! `/v3/` ([spec])
7    //!
8    //! [spec]: https://spec.matrix.org/latest/client-server-api/#post_matrixclientv3joinroomidoralias
9
10    use ruma_common::{
11        OwnedRoomId, OwnedRoomOrAliasId, OwnedServerName,
12        api::{auth_scheme::AccessToken, response},
13        metadata,
14    };
15
16    use crate::membership::ThirdPartySigned;
17
18    metadata! {
19        method: POST,
20        rate_limited: true,
21        authentication: AccessToken,
22        history: {
23            1.0 => "/_matrix/client/r0/join/{room_id_or_alias}",
24            1.1 => "/_matrix/client/v3/join/{room_id_or_alias}",
25        }
26    }
27
28    /// Request type for the `join_room_by_id_or_alias` endpoint.
29    #[derive(Clone, Debug)]
30    #[cfg_attr(not(ruma_unstable_exhaustive_types), non_exhaustive)]
31    pub struct Request {
32        /// The room where the user should be invited.
33        pub room_id_or_alias: OwnedRoomOrAliasId,
34
35        /// The signature of a `m.third_party_invite` token to prove that this user owns a third
36        /// party identity which has been invited to the room.
37        pub third_party_signed: Option<ThirdPartySigned>,
38
39        /// Optional reason for joining the room.
40        pub reason: Option<String>,
41
42        /// The servers to attempt to join the room through.
43        ///
44        /// One of the servers must be participating in the room.
45        ///
46        /// When serializing, this field is mapped to both `server_name` and `via`
47        /// with identical values.
48        ///
49        /// When deserializing, the value is read from `via` if it's not missing or
50        /// empty and `server_name` otherwise.
51        pub via: Vec<OwnedServerName>,
52    }
53
54    /// Data in the request's query string.
55    #[cfg_attr(feature = "client", derive(serde::Serialize))]
56    #[cfg_attr(feature = "server", derive(serde::Deserialize))]
57    struct RequestQuery {
58        /// The servers to attempt to join the room through.
59        #[serde(default, skip_serializing_if = "<[_]>::is_empty")]
60        via: Vec<OwnedServerName>,
61
62        /// The servers to attempt to join the room through.
63        ///
64        /// Deprecated in Matrix >1.11 in favour of `via`.
65        #[serde(default, skip_serializing_if = "<[_]>::is_empty")]
66        server_name: Vec<OwnedServerName>,
67    }
68
69    /// Data in the request's body.
70    #[cfg_attr(feature = "client", derive(serde::Serialize))]
71    #[cfg_attr(feature = "server", derive(serde::Deserialize))]
72    struct RequestBody {
73        /// The signature of a `m.third_party_invite` token to prove that this user owns a third
74        /// party identity which has been invited to the room.
75        #[serde(skip_serializing_if = "Option::is_none")]
76        third_party_signed: Option<ThirdPartySigned>,
77
78        /// Optional reason for joining the room.
79        #[serde(skip_serializing_if = "Option::is_none")]
80        reason: Option<String>,
81    }
82
83    #[cfg(feature = "client")]
84    impl ruma_common::api::OutgoingRequest for Request {
85        type EndpointError = crate::Error;
86        type IncomingResponse = Response;
87
88        fn try_into_http_request<T: Default + bytes::BufMut + AsRef<[u8]>>(
89            self,
90            base_url: &str,
91            access_token: ruma_common::api::auth_scheme::SendAccessToken<'_>,
92            considering: std::borrow::Cow<'_, ruma_common::api::SupportedVersions>,
93        ) -> Result<http::Request<T>, ruma_common::api::error::IntoHttpError> {
94            use ruma_common::api::{Metadata, auth_scheme::AuthScheme};
95
96            // Only send `server_name` if the `via` parameter is not supported by the server.
97            // `via` was introduced in Matrix 1.12.
98            let server_name = if considering
99                .versions
100                .iter()
101                .rev()
102                .any(|version| version.is_superset_of(ruma_common::api::MatrixVersion::V1_12))
103            {
104                vec![]
105            } else {
106                self.via.clone()
107            };
108
109            let query_string =
110                serde_html_form::to_string(RequestQuery { server_name, via: self.via })?;
111
112            let mut http_request = http::Request::builder()
113                .method(Self::METHOD)
114                .uri(Self::make_endpoint_url(
115                    considering,
116                    base_url,
117                    &[&self.room_id_or_alias],
118                    &query_string,
119                )?)
120                .header(http::header::CONTENT_TYPE, ruma_common::http_headers::APPLICATION_JSON)
121                .body(ruma_common::serde::json_to_buf(&RequestBody {
122                    third_party_signed: self.third_party_signed,
123                    reason: self.reason,
124                })?)?;
125
126            Self::Authentication::add_authentication(&mut http_request, access_token).map_err(
127                |error| ruma_common::api::error::IntoHttpError::Authentication(error.into()),
128            )?;
129
130            Ok(http_request)
131        }
132    }
133
134    #[cfg(feature = "server")]
135    impl ruma_common::api::IncomingRequest for Request {
136        type EndpointError = crate::Error;
137        type OutgoingResponse = Response;
138
139        fn try_from_http_request<B, S>(
140            request: http::Request<B>,
141            path_args: &[S],
142        ) -> Result<Self, ruma_common::api::error::FromHttpRequestError>
143        where
144            B: AsRef<[u8]>,
145            S: AsRef<str>,
146        {
147            Self::check_request_method(request.method())?;
148
149            let (room_id_or_alias,) =
150                serde::Deserialize::deserialize(serde::de::value::SeqDeserializer::<
151                    _,
152                    serde::de::value::Error,
153                >::new(
154                    path_args.iter().map(::std::convert::AsRef::as_ref),
155                ))?;
156
157            let request_query: RequestQuery =
158                serde_html_form::from_str(request.uri().query().unwrap_or(""))?;
159            let via = if request_query.via.is_empty() {
160                request_query.server_name
161            } else {
162                request_query.via
163            };
164
165            let body: RequestBody = serde_json::from_slice(request.body().as_ref())?;
166
167            Ok(Self {
168                room_id_or_alias,
169                reason: body.reason,
170                third_party_signed: body.third_party_signed,
171                via,
172            })
173        }
174    }
175
176    /// Response type for the `join_room_by_id_or_alias` endpoint.
177    #[response(error = crate::Error)]
178    pub struct Response {
179        /// The room that the user joined.
180        pub room_id: OwnedRoomId,
181    }
182
183    impl Request {
184        /// Creates a new `Request` with the given room ID or alias ID.
185        pub fn new(room_id_or_alias: OwnedRoomOrAliasId) -> Self {
186            Self { room_id_or_alias, via: vec![], third_party_signed: None, reason: None }
187        }
188    }
189
190    impl Response {
191        /// Creates a new `Response` with the given room ID.
192        pub fn new(room_id: OwnedRoomId) -> Self {
193            Self { room_id }
194        }
195    }
196
197    #[cfg(all(test, feature = "client"))]
198    mod tests_client {
199        use std::borrow::Cow;
200
201        use ruma_common::{
202            api::{
203                MatrixVersion, OutgoingRequest, SupportedVersions, auth_scheme::SendAccessToken,
204            },
205            owned_room_id, owned_server_name,
206        };
207
208        use super::Request;
209
210        #[test]
211        fn serialize_request_via_and_server_name() {
212            let mut req = Request::new(owned_room_id!("!foo:b.ar").into());
213            req.via = vec![owned_server_name!("f.oo")];
214            let supported = SupportedVersions {
215                versions: [MatrixVersion::V1_1].into(),
216                features: Default::default(),
217            };
218
219            let req = req
220                .try_into_http_request::<Vec<u8>>(
221                    "https://matrix.org",
222                    SendAccessToken::IfRequired("tok"),
223                    Cow::Owned(supported),
224                )
225                .unwrap();
226            assert_eq!(req.uri().query(), Some("via=f.oo&server_name=f.oo"));
227        }
228
229        #[test]
230        fn serialize_request_only_via() {
231            let mut req = Request::new(owned_room_id!("!foo:b.ar").into());
232            req.via = vec![owned_server_name!("f.oo")];
233            let supported = SupportedVersions {
234                versions: [MatrixVersion::V1_13].into(),
235                features: Default::default(),
236            };
237
238            let req = req
239                .try_into_http_request::<Vec<u8>>(
240                    "https://matrix.org",
241                    SendAccessToken::IfRequired("tok"),
242                    Cow::Owned(supported),
243                )
244                .unwrap();
245            assert_eq!(req.uri().query(), Some("via=f.oo"));
246        }
247    }
248
249    #[cfg(all(test, feature = "server"))]
250    mod tests_server {
251        use ruma_common::{api::IncomingRequest as _, owned_server_name};
252
253        use super::Request;
254
255        #[test]
256        fn deserialize_request_wrong_method() {
257            Request::try_from_http_request(
258                http::Request::builder()
259                    .method(http::Method::GET)
260                    .uri("https://matrix.org/_matrix/client/v3/join/!foo:b.ar?via=f.oo")
261                    .body(b"{ \"reason\": \"Let me in already!\" }" as &[u8])
262                    .unwrap(),
263                &["!foo:b.ar"],
264            )
265            .expect_err("Should not deserialize request with illegal method");
266        }
267
268        #[test]
269        fn deserialize_request_only_via() {
270            let req = Request::try_from_http_request(
271                http::Request::builder()
272                    .method(http::Method::POST)
273                    .uri("https://matrix.org/_matrix/client/v3/join/!foo:b.ar?via=f.oo")
274                    .body(b"{ \"reason\": \"Let me in already!\" }" as &[u8])
275                    .unwrap(),
276                &["!foo:b.ar"],
277            )
278            .unwrap();
279
280            assert_eq!(req.room_id_or_alias, "!foo:b.ar");
281            assert_eq!(req.reason, Some("Let me in already!".to_owned()));
282            assert_eq!(req.via, vec![owned_server_name!("f.oo")]);
283        }
284
285        #[test]
286        fn deserialize_request_only_server_name() {
287            let req = Request::try_from_http_request(
288                http::Request::builder()
289                    .method(http::Method::POST)
290                    .uri("https://matrix.org/_matrix/client/v3/join/!foo:b.ar?server_name=f.oo")
291                    .body(b"{ \"reason\": \"Let me in already!\" }" as &[u8])
292                    .unwrap(),
293                &["!foo:b.ar"],
294            )
295            .unwrap();
296
297            assert_eq!(req.room_id_or_alias, "!foo:b.ar");
298            assert_eq!(req.reason, Some("Let me in already!".to_owned()));
299            assert_eq!(req.via, vec![owned_server_name!("f.oo")]);
300        }
301
302        #[test]
303        fn deserialize_request_via_and_server_name() {
304            let req = Request::try_from_http_request(
305                http::Request::builder()
306                    .method(http::Method::POST)
307                    .uri("https://matrix.org/_matrix/client/v3/join/!foo:b.ar?via=f.oo&server_name=b.ar")
308                    .body(b"{ \"reason\": \"Let me in already!\" }" as &[u8])
309                    .unwrap(),
310                &["!foo:b.ar"],
311            )
312            .unwrap();
313
314            assert_eq!(req.room_id_or_alias, "!foo:b.ar");
315            assert_eq!(req.reason, Some("Let me in already!".to_owned()));
316            assert_eq!(req.via, vec![owned_server_name!("f.oo")]);
317        }
318    }
319}
ruma_client_api/membership/join_room_by_id_or_alias.rs

ruma_client_api/membership/
join_room_by_id_or_alias.rs
