fix(federation): Allow federated users to get the room name

Signed-off-by: Joas Schilling <coding@schilljs.com>

lib/Manager.php

@@ -28,6 +28,7 @@
 use OCA\Talk\Events\RoomCreatedEvent;
 use OCA\Talk\Exceptions\ParticipantNotFoundException;
 use OCA\Talk\Exceptions\RoomNotFoundException;
+use OCA\Talk\Federation\Authenticator;
 use OCA\Talk\Model\Attendee;
 use OCA\Talk\Model\AttendeeMapper;
 use OCA\Talk\Model\SelectHelper;
@@ -46,6 +47,7 @@
 use OCP\IDBConnection;
 use OCP\IGroupManager;
 use OCP\IL10N;
+use OCP\IRequest;
 use OCP\IUser;
 use OCP\IUserManager;
 use OCP\Security\IHasher;
@@ -73,6 +75,7 @@ public function __construct(
 		protected ITimeFactory $timeFactory,
 		protected IHasher $hasher,
 		protected IL10N $l,
+		protected Authenticator $federationAuthenticator,
 	) {
 		$this->commentsManager = $commentsManager;
 	}
@@ -1098,6 +1101,16 @@ public function resolveRoomDisplayName(Room $room, string $userId, bool $forceNa
 			return $room->getName();
 		}
 
+		if ($this->federationAuthenticator->isFederationRequest()) {
+			try {
+				$authenticatedRoom = $this->federationAuthenticator->getRoom();
+				if ($authenticatedRoom->getId() === $room->getId()) {
+					return $room->getName();
+				}
+			} catch (RoomNotFoundException) {
+			}
+		}
+
 		if ($userId === '' && $room->getType() !== Room::TYPE_PUBLIC) {
 			return $this->l->t('Private conversation');
 		}