Cleanup rooms.rs, globals.rs, and pdu.rs

src/database/globals.rs

@@ -153,7 +153,7 @@ pub fn load(
         // Experimental, partially supported room versions
         let unstable_room_versions = vec![RoomVersionId::V3, RoomVersionId::V4, RoomVersionId::V5];
 
-        let s = Self {
+        let mut s = Self {
             globals,
             config,
             keypair: Arc::new(keypair),
@@ -184,6 +184,14 @@ pub fn load(
 
         fs::create_dir_all(s.get_media_folder())?;
 
+        if !s
+            .supported_room_versions()
+            .contains(&s.config.default_room_version)
+        {
+            error!("Room version in config isn't supported, falling back to Version 6");
+            s.config.default_room_version = RoomVersionId::V6;
+        };
+
         Ok(s)
     }
 
@@ -247,15 +255,7 @@ pub fn allow_unstable_room_versions(&self) -> bool {
     }
 
     pub fn default_room_version(&self) -> RoomVersionId {
-        if self
-            .supported_room_versions()
-            .contains(&self.config.default_room_version.clone())
-        {
-            self.config.default_room_version.clone()
-        } else {
-            error!("Room version in config isn't supported, falling back to Version 6");
-            RoomVersionId::V6
-        }
+        self.config.default_room_version.clone()
     }
 
     pub fn trusted_servers(&self) -> &[Box<ServerName>] {
@@ -296,13 +296,9 @@ pub fn emergency_password(&self) -> &Option<String> {
 
     pub fn supported_room_versions(&self) -> Vec<RoomVersionId> {
         let mut room_versions: Vec<RoomVersionId> = vec![];
-        self.stable_room_versions
-            .iter()
-            .for_each(|room_version| room_versions.push(room_version.clone()));
+        room_versions.extend(self.stable_room_versions.clone());
         if self.allow_unstable_room_versions() {
-            self.unstable_room_versions
-                .iter()
-                .for_each(|room_version| room_versions.push(room_version.clone()));
+            room_versions.extend(self.unstable_room_versions.clone());
         };
         room_versions
     }

src/database/rooms.rs

@@ -3440,10 +3440,8 @@ pub fn lazy_load_reset(
 
     /// Returns the room's version.
     #[tracing::instrument(skip(self))]
-    pub fn get_room_version(&self, room_id: &RoomId) -> RoomVersionId {
-        let create_event = self
-            .room_state_get(room_id, &StateEventType::RoomCreate, "")
-            .unwrap();
+    pub fn get_room_version(&self, room_id: &RoomId) -> Result<RoomVersionId> {
+        let create_event = self.room_state_get(room_id, &StateEventType::RoomCreate, "")?;
 
         let create_event_content: Option<RoomCreateEventContent> = create_event
             .as_ref()
@@ -3453,11 +3451,10 @@ pub fn get_room_version(&self, room_id: &RoomId) -> RoomVersionId {
                     Error::bad_database("Invalid create event in db.")
                 })
             })
-            .transpose()
-            .unwrap();
-
-        create_event_content
+            .transpose()?;
+        let room_version = create_event_content
             .map(|create_event| create_event.room_version)
-            .expect("Invalid room version")
+            .ok_or_else(|| Error::BadDatabase("Invalid room version"))?;
+        Ok(room_version)
     }
 }

src/pdu.rs

@@ -349,7 +349,7 @@ pub(crate) fn gen_event_id_canonical_json(
     let event_id = format!(
         "${}",
         // Anything higher than version3 behaves the same
-        ruma::signatures::reference_hash(&value, &room_version_id)
+        ruma::signatures::reference_hash(&value, &room_version_id?)
             .expect("ruma can calculate reference hashes")
     )
     .try_into()