sdk: basic support for sending live location beacons

crates/matrix-sdk/src/error.rs

@@ -521,9 +521,14 @@ pub enum BeaconError {
     #[error("Must join the room to access beacon information.")]
     Stripped,
 
+    // The beacon event could not be deserialized.
     #[error("Deserialization error: {0}")]
     Deserialization(#[from] serde_json::Error),
 
+    // The beacon event is expired.
+    #[error("The beacon event has expired.")]
+    NotLive,
+
     // Allow for other errors to be wrapped.
     #[error("Other error: {0}")]
     Other(Box<Error>),

crates/matrix-sdk/src/room/mod.rs

@@ -52,6 +52,7 @@ use ruma::{
     },
     assign,
     events::{
+        beacon::BeaconEventContent,
         beacon_info::BeaconInfoEventContent,
         call::notify::{ApplicationType, CallNotifyEventContent, NotifyType},
         direct::DirectEventContent,
@@ -72,10 +73,10 @@ use ruma::{
         tag::{TagInfo, TagName},
         typing::SyncTypingEvent,
         AnyRoomAccountDataEvent, AnyRoomAccountDataEventContent, AnyTimelineEvent, EmptyStateKey,
-        Mentions, MessageLikeEventContent, MessageLikeEventType, RedactContent,
-        RedactedStateEventContent, RoomAccountDataEvent, RoomAccountDataEventContent,
-        RoomAccountDataEventType, StateEventContent, StateEventType, StaticEventContent,
-        StaticStateEventContent, SyncStateEvent,
+        Mentions, MessageLikeEventContent, MessageLikeEventType, OriginalSyncStateEvent,
+        RedactContent, RedactedStateEventContent, RoomAccountDataEvent,
+        RoomAccountDataEventContent, RoomAccountDataEventType, StateEventContent, StateEventType,
+        StaticEventContent, StaticStateEventContent, SyncStateEvent,
     },
     push::{Action, PushConditionRoomCtx},
     serde::Raw,
@@ -2753,6 +2754,27 @@ impl Room {
         Ok(())
     }
 
+    /// Get the beacon information event in the room for the current user.
+    ///
+    /// # Errors
+    ///
+    /// Returns an error if the event is redacted, stripped, not found or could
+    /// not be deserialized.
+    async fn get_user_beacon_info(
+        &self,
+    ) -> Result<OriginalSyncStateEvent<BeaconInfoEventContent>, BeaconError> {
+        let raw_event = self
+            .get_state_event_static_for_key::<BeaconInfoEventContent, _>(self.own_user_id())
+            .await?
+            .ok_or(BeaconError::NotFound)?;
+
+        match raw_event.deserialize()? {
+            SyncOrStrippedState::Sync(SyncStateEvent::Original(beacon_info)) => Ok(beacon_info),
+            SyncOrStrippedState::Sync(SyncStateEvent::Redacted(_)) => Err(BeaconError::Redacted),
+            SyncOrStrippedState::Stripped(_) => Err(BeaconError::Stripped),
+        }
+    }
+
     /// Start sharing live location in the room.
     ///
     /// # Arguments
@@ -2795,24 +2817,35 @@ impl Room {
     ) -> Result<send_state_event::v3::Response, BeaconError> {
         self.ensure_room_joined()?;
 
-        if let Some(raw_event) = self
-            .get_state_event_static_for_key::<BeaconInfoEventContent, _>(self.own_user_id())
-            .await?
-        {
-            match raw_event.deserialize() {
-                Ok(SyncOrStrippedState::Sync(SyncStateEvent::Original(beacon_info))) => {
-                    let mut content = beacon_info.content.clone();
-                    content.stop();
-                    Ok(self.send_state_event_for_key(self.own_user_id(), content).await?)
-                }
-                Ok(SyncOrStrippedState::Sync(SyncStateEvent::Redacted(_))) => {
-                    Err(BeaconError::Redacted)
-                }
-                Ok(SyncOrStrippedState::Stripped(_)) => Err(BeaconError::Stripped),
-                Err(e) => Err(BeaconError::Deserialization(e)),
-            }
+        let mut beacon_info_event = self.get_user_beacon_info().await?;
+        beacon_info_event.content.stop();
+        Ok(self.send_state_event_for_key(self.own_user_id(), beacon_info_event.content).await?)
+    }
+
+    /// Send a location beacon event in the current room.
+    ///
+    /// # Arguments
+    ///
+    /// * `geo_uri` - The geo URI of the location beacon.
+    ///
+    /// # Errors
+    ///
+    /// Returns an error if the room is not joined, if the beacon information
+    /// is redacted or stripped, if the location share is no longer live,
+    /// or if the state event is not found.
+    pub async fn send_location_beacon(
+        &self,
+        geo_uri: String,
+    ) -> Result<send_message_event::v3::Response, BeaconError> {
+        self.ensure_room_joined()?;
+
+        let beacon_info_event = self.get_user_beacon_info().await?;
+
+        if beacon_info_event.content.is_live() {
+            let content = BeaconEventContent::new(beacon_info_event.event_id, geo_uri, None);
+            Ok(self.send(content).await?)
         } else {
-            Err(BeaconError::NotFound)
+            Err(BeaconError::NotLive)
         }
     }
 

crates/matrix-sdk/tests/integration/room/joined.rs

@@ -1,12 +1,13 @@
 use std::{
     sync::{Arc, Mutex},
-    time::Duration,
+    time::{Duration, UNIX_EPOCH},
 };
 
 use futures_util::future::join_all;
 use js_int::uint;
 use matrix_sdk::{
     config::SyncSettings,
+    instant::SystemTime,
     room::{edit::EditedContent, Receipts, ReportedContentScore, RoomMemberRole},
     test_utils::events::EventFactory,
 };
@@ -37,7 +38,6 @@ use crate::{
     logged_in_client_with_server, mock_encryption_state, mock_sync, mock_sync_with_new_room,
     synced_client,
 };
-
 #[async_test]
 async fn test_invite_user_by_id() {
     let (client, server) = logged_in_client_with_server().await;
@@ -1003,3 +1003,95 @@ async fn test_stop_sharing_live_location() {
 
     assert!(!content.live);
 }
+
+#[async_test]
+async fn test_send_location_beacon() {
+    let (client, server) = logged_in_client_with_server().await;
+
+    // Validate request body and response, partial body matching due to
+    // auto-generated `org.matrix.msc3488.ts`.
+    Mock::given(method("PUT"))
+        .and(path_regex(r"^/_matrix/client/r0/rooms/.*/send/org.matrix.msc3672.beacon/.*"))
+        .and(header("authorization", "Bearer 1234"))
+        .and(body_partial_json(json!({
+            "m.relates_to": {
+                "event_id": "$15139375514XsgmR:localhost",
+                "rel_type": "m.reference"
+            },
+             "org.matrix.msc3488.location": {
+                "uri": "geo:48.8588448,2.2943506"
+            }
+        })))
+        .respond_with(ResponseTemplate::new(200).set_body_json(&*test_json::EVENT_ID))
+        .mount(&server)
+        .await;
+
+    let current_timestamp =
+        SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards").as_millis()
+            as u64;
+
+    mock_sync(
+        &server,
+        json!({
+            "next_batch": "s526_47314_0_7_1_1_1_1_1",
+            "rooms": {
+                "join": {
+                    *DEFAULT_TEST_ROOM_ID: {
+                        "state": {
+                            "events": [
+                                {
+                                    "content": {
+                                        "description": "Live Share",
+                                        "live": true,
+                                        "org.matrix.msc3488.ts": current_timestamp,
+                                        "timeout": 600_000,
+                                        "org.matrix.msc3488.asset": { "type": "m.self" }
+                                    },
+                                    "event_id": "$15139375514XsgmR:localhost",
+                                    "origin_server_ts": 1_636_829_458,
+                                    "sender": "@example:localhost",
+                                    "state_key": "@example:localhost",
+                                    "type": "org.matrix.msc3672.beacon_info",
+                                    "unsigned": {
+                                        "age": 7034220
+                                    }
+                                },
+                            ]
+                        }
+                    }
+                }
+            }
+
+        }),
+        None,
+    )
+    .await;
+
+    mock_encryption_state(&server, false).await;
+
+    let sync_settings = SyncSettings::new().timeout(Duration::from_millis(3000));
+
+    client.sync_once(sync_settings).await.unwrap();
+
+    let room = client.get_room(&DEFAULT_TEST_ROOM_ID).unwrap();
+
+    let response = room.send_location_beacon("geo:48.8588448,2.2943506".to_owned()).await.unwrap();
+
+    assert_eq!(event_id!("$h29iv0s8:example.com"), response.event_id)
+}
+
+#[async_test]
+async fn test_send_location_beacon_fails_without_starting_live_share() {
+    let (client, server) = logged_in_client_with_server().await;
+
+    mock_sync(&server, &*test_json::SYNC, None).await;
+
+    let sync_settings = SyncSettings::new().timeout(Duration::from_millis(3000));
+    client.sync_once(sync_settings).await.unwrap();
+
+    let room = client.get_room(&DEFAULT_TEST_ROOM_ID).unwrap();
+
+    let result = room.send_location_beacon("geo:48.8588448,2.2943506".to_owned()).await;
+
+    assert!(result.is_err());
+}