feat(admin): remove alias command

src/service/admin/mod.rs

@@ -77,6 +77,12 @@ enum AdminCommand {
     /// List all rooms we are currently handling an incoming pdu from
     IncomingFederation,
 
+    /// Removes an alias from the server
+    RemoveAlias {
+        /// The alias to be removed
+        alias: Box<RoomAliasId>,
+    },
+
     /// Deactivate a user
     ///
     /// User will not be removed from all rooms by default.
@@ -907,6 +913,23 @@ impl Service {
                     )
                 }
             }
+            AdminCommand::RemoveAlias { alias } => {
+                if alias.server_name() != services().globals.server_name() {
+                    RoomMessageEventContent::text_plain(
+                        "Cannot remove alias which is not from this server",
+                    )
+                } else if services()
+                    .rooms
+                    .alias
+                    .resolve_local_alias(&alias)?
+                    .is_none()
+                {
+                    RoomMessageEventContent::text_plain("No such alias exists")
+                } else {
+                    services().rooms.alias.remove_alias(&alias)?;
+                    RoomMessageEventContent::text_plain("Alias removed sucessfully")
+                }
+            }
         };
 
         Ok(reply_message_content)