modernize: Use '= default' instead of empty ctor/dtor bodies
[quassel.git] / src / core / ircparser.cpp
index dec7b78..25d16f8 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-2015 by the Quassel Project                        *
+ *   Copyright (C) 2005-2018 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -20,6 +20,8 @@
 
 #include "ircparser.h"
 
+#include <QDebug>
+
 #include "corenetwork.h"
 #include "eventmanager.h"
 #include "ircevent.h"
@@ -35,6 +37,10 @@ IrcParser::IrcParser(CoreSession *session) :
     QObject(session),
     _coreSession(session)
 {
+    // Check if raw IRC logging is enabled
+    _debugLogRawIrc = (Quassel::isOptionSet("debug-irc") || Quassel::isOptionSet("debug-irc-id"));
+    _debugLogRawNetId = Quassel::optionValue("debug-irc-id").toInt();
+
     connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
 }
 
@@ -91,6 +97,13 @@ void IrcParser::processNetworkIncoming(NetworkDataEvent *e)
         return;
     }
 
+    // Log the message if enabled and network ID matches or allows all
+    if (_debugLogRawIrc
+            && (_debugLogRawNetId == -1 || net->networkId().toInt() == _debugLogRawNetId)) {
+        // Include network ID
+        qDebug() << "IRC net" << net->networkId() << "<<" << msg;
+    }
+
     // Now we split the raw message into its various parts...
     QString prefix;
     QByteArray trailing;
@@ -181,16 +194,29 @@ void IrcParser::processNetworkIncoming(NetworkDataEvent *e)
         if (checkParamCount(cmd, params, 1)) {
             QString senderNick = nickFromMask(prefix);
             net->updateNickFromMask(prefix);
+            // Check if the sender is our own nick.  If so, treat message as if sent by ourself.
+            // See http://ircv3.net/specs/extensions/echo-message-3.2.html
+            // Cache the result to avoid multiple redundant comparisons
+            bool isSelfMessage = net->isMyNick(senderNick);
+
             QByteArray msg = params.count() < 2 ? QByteArray() : params.at(1);
 
             QStringList targets = net->serverDecode(params.at(0)).split(',', QString::SkipEmptyParts);
             QStringList::const_iterator targetIter;
             for (targetIter = targets.constBegin(); targetIter != targets.constEnd(); ++targetIter) {
-                QString target = net->isChannelName(*targetIter) || net->isStatusMsg(*targetIter) ? *targetIter : senderNick;
+                // For self-messages, keep the target, don't set it to the senderNick
+                QString target = net->isChannelName(*targetIter) || net->isStatusMsg(*targetIter) || isSelfMessage ? *targetIter : senderNick;
 
+                // Note: self-messages could be encrypted with a different key.  If issues arise,
+                // consider including this within an if (!isSelfMessage) block
                 msg = decrypt(net, target, msg);
 
-                events << new IrcEventRawMessage(EventManager::IrcEventRawPrivmsg, net, msg, prefix, target, e->timestamp());
+                IrcEventRawMessage *rawMessage = new IrcEventRawMessage(EventManager::IrcEventRawPrivmsg, net, msg, prefix, target, e->timestamp());
+                if (isSelfMessage) {
+                    // Self-messages need processed differently, tag as such via flag.
+                    rawMessage->setFlag(EventManager::Self);
+                }
+                events << rawMessage;
             }
         }
         break;
@@ -199,6 +225,11 @@ void IrcParser::processNetworkIncoming(NetworkDataEvent *e)
         defaultHandling = false;
 
         if (checkParamCount(cmd, params, 2)) {
+            // Check if the sender is our own nick.  If so, treat message as if sent by ourself.
+            // See http://ircv3.net/specs/extensions/echo-message-3.2.html
+            // Cache the result to avoid multiple redundant comparisons
+            bool isSelfMessage = net->isMyNick(nickFromMask(prefix));
+
             QStringList targets = net->serverDecode(params.at(0)).split(',', QString::SkipEmptyParts);
             QStringList::const_iterator targetIter;
             for (targetIter = targets.constBegin(); targetIter != targets.constEnd(); ++targetIter) {
@@ -227,21 +258,34 @@ void IrcParser::processNetworkIncoming(NetworkDataEvent *e)
                 else {
                     if (!target.isEmpty() && net->prefixes().contains(target.at(0)))
                         target = target.mid(1);
+
                     if (!net->isChannelName(target)) {
-                        target = nickFromMask(prefix);
+                        // For self-messages, keep the target, don't set it to the sender prefix
+                        if (!isSelfMessage) {
+                            target = nickFromMask(prefix);
+                        }
                         net->updateNickFromMask(prefix);
                     }
                 }
 
 #ifdef HAVE_QCA2
                 // Handle DH1080 key exchange
-                if (params[1].startsWith("DH1080_INIT") && !net->isChannelName(target)) {
+                // Don't allow key exchange in channels, and don't allow it for self-messages.
+                bool keyExchangeAllowed = (!net->isChannelName(target) && !isSelfMessage);
+                if (params[1].startsWith("DH1080_INIT") && keyExchangeAllowed) {
                     events << new KeyEvent(EventManager::KeyEvent, net, prefix, target, KeyEvent::Init, params[1].mid(12));
-                } else if (params[1].startsWith("DH1080_FINISH") && !net->isChannelName(target)) {
+                } else if (params[1].startsWith("DH1080_FINISH") && keyExchangeAllowed) {
                     events << new KeyEvent(EventManager::KeyEvent, net, prefix, target, KeyEvent::Finish, params[1].mid(14));
                 } else
 #endif
-                    events << new IrcEventRawMessage(EventManager::IrcEventRawNotice, net, params[1], prefix, target, e->timestamp());
+                {
+                    IrcEventRawMessage *rawMessage = new IrcEventRawMessage(EventManager::IrcEventRawNotice, net, params[1], prefix, target, e->timestamp());
+                    if (isSelfMessage) {
+                        // Self-messages need processed differently, tag as such via flag.
+                        rawMessage->setFlag(EventManager::Self);
+                    }
+                    events << rawMessage;
+                }
             }
         }
         break;
@@ -280,10 +324,13 @@ void IrcParser::processNetworkIncoming(NetworkDataEvent *e)
 
     case EventManager::IrcEventAway:
         {
+            // Update hostmask info first.  This will create the nick if it doesn't exist, e.g.
+            // away-notify data being sent before JOIN messages.
+            net->updateNickFromMask(prefix);
+            // Separate nick in order to separate server and user decoding
             QString nick = nickFromMask(prefix);
             decParams << nick;
             decParams << (params.count() >= 1 ? net->userDecode(nick, params.at(0)) : QString());
-            net->updateNickFromMask(prefix);
         }
         break;