[Servatrice] Relay room channel messages over ISL (#7480)

* [Servatrice] Relay room channel messages over ISL

* [Servatrice] Skip audit log for unknown ISL channel per review

- externalRoomSay drops messages for channels not in the local
  catalog, matching Server_Room::say, instead of logging what was
  never delivered

---------

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

libcockatrice_network/libcockatrice/network/server/remote/server.cpp

@@ -441,7 +441,7 @@ void Server::externalRoomUserLeft(int roomId, const QString &userName)
     room->removeExternalUser(userName);
 }
 
-void Server::externalRoomSay(int roomId, const QString &userName, const QString &message)
+void Server::externalRoomSay(int roomId, const QString &userName, const QString &message, const QString &channelId)
 {
     // This function is always called from the main thread via signal/slot.
     QReadLocker locker(&roomsLock);
@@ -451,10 +451,22 @@ void Server::externalRoomSay(int roomId, const QString &userName, const QString
         qDebug() << "externalRoomSay: room id=" << roomId << "not found";
         return;
     }
-    room->say(userName, message, QString(), false);
+    if (!channelId.isEmpty() && !Server_Room::isMainChannel(channelId) && room->findChannel(channelId) == nullptr) {
+        // The receiver does not know this channel; say() would drop it, so do
+        // not log what was never delivered.
+        qDebug() << "externalRoomSay: unknown channel" << channelId << "for room id=" << roomId << "dropping";
+        return;
+    }
+    room->say(userName, message, channelId, false);
 
-    getDatabaseInterface()->logMessage(0, userName, "ISL", message, Server_DatabaseInterface::MessageTargetIslRoom,
+    if (channelId.isEmpty()) {
-                                       room->getId(), room->getName());
+        getDatabaseInterface()->logMessage(0, userName, "ISL", message, Server_DatabaseInterface::MessageTargetIslRoom,
+                                           room->getId(), room->getName());
+    } else {
+        getDatabaseInterface()->logMessage(0, userName, "ISL", message,
+                                           Server_DatabaseInterface::MessageTargetRoomChannel, room->getId(),
+                                           room->getName(), channelId);
+    }
 }
 
 void Server::externalRoomRemoveMessages(int roomId, const QString &userName, int amount)

libcockatrice_network/libcockatrice/network/server/remote/server.h

@@ -265,7 +265,7 @@ protected slots:
     void externalUserLeft(const QString &userName);
     void externalRoomUserJoined(int roomId, const ServerInfo_User &userInfo);
     void externalRoomUserLeft(int roomId, const QString &userName);
-    void externalRoomSay(int roomId, const QString &userName, const QString &message);
+    void externalRoomSay(int roomId, const QString &userName, const QString &message, const QString &channelId);
     void externalRoomRemoveMessages(int roomId, const QString &userName, int amount);
     void externalRoomGameListChanged(int roomId, const ServerInfo_Game &gameInfo);
     void

servatrice/src/isl_interface.cpp

@@ -36,6 +36,7 @@
 #include <libcockatrice/protocol/pb/event_leave_room.pb.h>
 #include <libcockatrice/protocol/pb/event_list_games.pb.h>
 #include <libcockatrice/protocol/pb/event_remove_messages.pb.h>
+#include <libcockatrice/protocol/pb/event_room_channel_say.pb.h>
 #include <libcockatrice/protocol/pb/event_room_say.pb.h>
 #include <libcockatrice/protocol/pb/event_server_complete_list.pb.h>
 #include <libcockatrice/protocol/pb/event_user_joined.pb.h>
@@ -383,7 +384,14 @@ void IslInterface::roomEvent_UserLeft(int roomId, const Event_LeaveRoom &event)
 
 void IslInterface::roomEvent_Say(int roomId, const Event_RoomSay &event)
 {
-    emit externalRoomSay(roomId, QString::fromStdString(event.name()), QString::fromStdString(event.message()));
+    emit externalRoomSay(roomId, QString::fromStdString(event.name()), QString::fromStdString(event.message()),
+                         QString());
+}
+
+void IslInterface::roomEvent_ChannelSay(int roomId, const Event_RoomChannelSay &event)
+{
+    emit externalRoomSay(roomId, QString::fromStdString(event.name()), QString::fromStdString(event.message()),
+                         QString::fromStdString(event.channel_id()));
 }
 
 void IslInterface::roomEvent_ListGames(int roomId, const Event_ListGames &event)
@@ -459,6 +467,9 @@ void IslInterface::processRoomEvent(const RoomEvent &event)
         case RoomEvent::ROOM_SAY:
             roomEvent_Say(event.room_id(), event.GetExtension(Event_RoomSay::ext));
             break;
+        case RoomEvent::ROOM_CHANNEL_SAY:
+            roomEvent_ChannelSay(event.room_id(), event.GetExtension(Event_RoomChannelSay::ext));
+            break;
         case RoomEvent::LIST_GAMES:
             roomEvent_ListGames(event.room_id(), event.GetExtension(Event_ListGames::ext));
             break;

servatrice/src/isl_interface.h

@@ -26,6 +26,7 @@ class Event_UserLeft;
 class Event_JoinRoom;
 class Event_LeaveRoom;
 class Event_RoomSay;
+class Event_RoomChannelSay;
 class Event_ListGames;
 class Event_RemoveMessages;
 class Command_JoinGame;
@@ -49,7 +50,7 @@ signals:
     void externalUserLeft(QString userName);
     void externalRoomUserJoined(int roomId, ServerInfo_User userInfo);
     void externalRoomUserLeft(int roomId, QString userName);
-    void externalRoomSay(int roomId, QString userName, QString message);
+    void externalRoomSay(int roomId, QString userName, QString message, QString channelId);
     void externalRoomGameListChanged(int roomId, ServerInfo_Game gameInfo);
     void externalRoomRemoveMessages(int roomId, QString userName, int amount);
     void joinGameCommandReceived(const Command_JoinGame &cmd, int cmdId, int roomId, int serverId, qint64 sessionId);
@@ -79,6 +80,7 @@ private:
     void roomEvent_UserJoined(int roomId, const Event_JoinRoom &event);
     void roomEvent_UserLeft(int roomId, const Event_LeaveRoom &event);
     void roomEvent_Say(int roomId, const Event_RoomSay &event);
+    void roomEvent_ChannelSay(int roomId, const Event_RoomChannelSay &event);
     void roomEvent_ListGames(int roomId, const Event_ListGames &event);
     void roomEvent_RemoveMessages(int roomId, const Event_RemoveMessages &event);
 

servatrice/src/servatrice.cpp

@@ -1078,8 +1078,8 @@ void Servatrice::addIslInterface(int _serverId, IslInterface *interface)
     connect(interface, SIGNAL(externalRoomUserJoined(int, ServerInfo_User)), this,
             SLOT(externalRoomUserJoined(int, ServerInfo_User)));
     connect(interface, SIGNAL(externalRoomUserLeft(int, QString)), this, SLOT(externalRoomUserLeft(int, QString)));
-    connect(interface, SIGNAL(externalRoomSay(int, QString, QString)), this,
+    connect(interface, SIGNAL(externalRoomSay(int, QString, QString, QString)), this,
-            SLOT(externalRoomSay(int, QString, QString)));
+            SLOT(externalRoomSay(int, QString, QString, QString)));
     connect(interface, SIGNAL(externalRoomRemoveMessages(int, QString, int)), this,
             SLOT(externalRoomRemoveMessages(int, QString, int)));
     connect(interface, SIGNAL(externalRoomGameListChanged(int, ServerInfo_Game)), this,