add ic chat validation class thing

include/aoclient.h

@@ -20,9 +20,11 @@
 
 #include "include/aopacket.h"
 #include "include/server.h"
+#include "include/icchatpacket.h"
 
 #include <QHostAddress>
 #include <QTcpSocket>
+#include <QDateTime>
 
 class Server;
 
@@ -72,6 +74,8 @@ class AOClient : public QObject {
 
     QString hwid;
     QString ipid;
+    long last_wtce_time;
+    QString last_message;
 };
 
 #endif // AOCLIENT_H

include/icchatpacket.h

@@ -0,0 +1,65 @@
+//////////////////////////////////////////////////////////////////////////////////////
+//    akashi - a server for Attorney Online 2                                       //
+//    Copyright (C) 2020  scatterflower                                           //
+//                                                                                  //
+//    This program is free software: you can redistribute it and/or modify          //
+//    it under the terms of the GNU Affero General Public License as                //
+//    published by the Free Software Foundation, either version 3 of the            //
+//    License, or (at your option) any later version.                               //
+//                                                                                  //
+//    This program is distributed in the hope that it will be useful,               //
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of                //
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 //
+//    GNU Affero General Public License for more details.                           //
+//                                                                                  //
+//    You should have received a copy of the GNU Affero General Public License      //
+//    along with this program.  If not, see <https://www.gnu.org/licenses/>.        //
+//////////////////////////////////////////////////////////////////////////////////////
+#ifndef ICCHATPACKET_H
+#define ICCHATPACKET_H
+
+#endif // ICCHATPACKET_H
+
+#include "include/aopacket.h"
+
+class ICChatPacket : public AOPacket
+{
+public:
+    ICChatPacket(AOPacket packet);
+
+    const int MIN_FIELDS = 15;
+    const int MAX_FIELDS = 30;
+
+    bool is_valid;
+
+    QString desk_override;
+    QString preanim;
+    QString character;
+    QString emote;
+    QString message;
+    QString side;
+    QString sfx_name;
+    int emote_modifier;
+    int char_id;
+    QString sfx_delay;
+    int objection_modifier;
+    QString evidence;
+    bool flip;
+    bool realization;
+    int text_color;
+    QString showname;
+    int other_charid;
+    QString other_name;
+    QString other_emote;
+    int self_offset;
+    int other_offset;
+    bool other_flip;
+    bool noninterrupting_preanim;
+    bool sfx_looping;
+    bool screenshake;
+    QString frames_shake;
+    QString frames_realization;
+    QString frames_sfx;
+    bool additive;
+    QString effect;
+};

src/aoclient.cpp

@@ -28,6 +28,8 @@ AOClient::AOClient(Server* p_server, QTcpSocket* p_socket, QObject* parent)
     current_char = "";
     remote_ip = p_socket->peerAddress();
     is_partial = false;
+    last_wtce_time = 0;
+    last_message = "";
 }
 
 void AOClient::clientData()
@@ -153,7 +155,9 @@ void AOClient::handlePacket(AOPacket packet)
     }
     else if (packet.header == "MS") {
         // TODO: validate, validate, validate
-        server->broadcast(packet, current_area);
+        ICChatPacket ic_packet(packet);
+        if (ic_packet.is_valid)
+            server->broadcast(ic_packet, current_area);
     }
     else if (packet.header == "CT") {
         // TODO: commands
@@ -191,6 +195,12 @@ void AOClient::handlePacket(AOPacket packet)
             }
         }
     }
+    else if (packet.header == "RT") {
+        if (QDateTime::currentDateTime().toSecsSinceEpoch() - last_wtce_time <= 5)
+            return;
+        last_wtce_time = QDateTime::currentDateTime().toSecsSinceEpoch();
+        server->broadcast(packet, current_area);
+    }
     else {
         qDebug() << "Unimplemented packet:" << packet.header;
         qDebug() << packet.contents;

src/icchatpacket.cpp

@@ -0,0 +1,31 @@
+//////////////////////////////////////////////////////////////////////////////////////
+//    akashi - a server for Attorney Online 2                                       //
+//    Copyright (C) 2020  scatterflower                                           //
+//                                                                                  //
+//    This program is free software: you can redistribute it and/or modify          //
+//    it under the terms of the GNU Affero General Public License as                //
+//    published by the Free Software Foundation, either version 3 of the            //
+//    License, or (at your option) any later version.                               //
+//                                                                                  //
+//    This program is distributed in the hope that it will be useful,               //
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of                //
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 //
+//    GNU Affero General Public License for more details.                           //
+//                                                                                  //
+//    You should have received a copy of the GNU Affero General Public License      //
+//    along with this program.  If not, see <https://www.gnu.org/licenses/>.        //
+//////////////////////////////////////////////////////////////////////////////////////
+#include "include/icchatpacket.h"
+
+ICChatPacket::ICChatPacket(AOPacket packet)
+    : AOPacket(packet.header, packet.contents)
+{
+    // Perform some basic validation
+    if (packet.contents.length() > MAX_FIELDS || packet.contents.length() < MIN_FIELDS) {
+        is_valid = false;
+        return;
+    }
+
+    // Populate information about the message
+    is_valid = true;
+}