1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20 #include "ctcphandler.h"
27 CtcpHandler::CtcpHandler(NetworkConnection *parent)
28 : BasicHandler(parent),
32 QByteArray MQUOTE = QByteArray("\020");
33 ctcpMDequoteHash[MQUOTE + '0'] = QByteArray("\000");
34 ctcpMDequoteHash[MQUOTE + 'n'] = QByteArray("\n");
35 ctcpMDequoteHash[MQUOTE + 'r'] = QByteArray("\r");
36 ctcpMDequoteHash[MQUOTE + MQUOTE] = MQUOTE;
38 QByteArray XQUOTE = QByteArray("\134");
39 ctcpXDelimDequoteHash[XQUOTE + XQUOTE] = XQUOTE;
40 ctcpXDelimDequoteHash[XQUOTE + QByteArray("a")] = XDELIM;
43 QByteArray CtcpHandler::dequote(const QByteArray &message) {
44 QByteArray dequotedMessage;
45 QByteArray messagepart;
46 QHash<QByteArray, QByteArray>::iterator ctcpquote;
48 // copy dequote Message
49 for(int i = 0; i < message.size(); i++) {
50 messagepart = message.mid(i,1);
51 if(i+1 < message.size()) {
52 for(ctcpquote = ctcpMDequoteHash.begin(); ctcpquote != ctcpMDequoteHash.end(); ++ctcpquote) {
53 if(message.mid(i,2) == ctcpquote.key()) {
54 messagepart = ctcpquote.value();
60 dequotedMessage += messagepart;
62 return dequotedMessage;
66 QByteArray CtcpHandler::xdelimDequote(const QByteArray &message) {
67 QByteArray dequotedMessage;
68 QByteArray messagepart;
69 QHash<QByteArray, QByteArray>::iterator xdelimquote;
71 for(int i = 0; i < message.size(); i++) {
72 messagepart = message.mid(i,1);
73 if(i+1 < message.size()) {
74 for(xdelimquote = ctcpXDelimDequoteHash.begin(); xdelimquote != ctcpXDelimDequoteHash.end(); ++xdelimquote) {
75 if(message.mid(i,2) == xdelimquote.key()) {
76 messagepart = xdelimquote.value();
82 dequotedMessage += messagepart;
84 return dequotedMessage;
87 void CtcpHandler::parse(Message::Type messageType, const QString &prefix, const QString &target, const QByteArray &message) {
90 //lowlevel message dequote
91 QByteArray dequotedMessage = dequote(message);
93 CtcpType ctcptype = messageType == Message::Notice
97 quint8 flags = (messageType == Message::Notice && !network()->isChannelName(target))
101 // extract tagged / extended data
103 int xdelimEndPos = -1;
105 while((xdelimPos = dequotedMessage.indexOf(XDELIM)) != -1) {
107 displayMsg(messageType, target, userDecode(target, dequotedMessage.left(xdelimPos)), prefix, flags);
109 xdelimEndPos = dequotedMessage.indexOf(XDELIM, xdelimPos + 1);
110 if(xdelimEndPos == -1) {
111 // no matching end delimiter found...
112 dequotedMessage = dequotedMessage.mid(xdelimPos + 1);
115 ctcp = xdelimDequote(dequotedMessage.mid(xdelimPos + 1, xdelimEndPos - xdelimPos - 1));
116 dequotedMessage = dequotedMessage.mid(xdelimEndPos + 1);
119 //dispatch the ctcp command
120 QString ctcpcmd = userDecode(target, ctcp.left(spacePos));
121 QString ctcpparam = userDecode(target, ctcp.mid(spacePos + 1));
123 spacePos = ctcp.indexOf(' ');
125 ctcpcmd = userDecode(target, ctcp.left(spacePos));
126 ctcpparam = userDecode(target, ctcp.mid(spacePos + 1));
128 ctcpcmd = userDecode(target, ctcp);
129 ctcpparam = QString();
132 handle(ctcpcmd, Q_ARG(CtcpType, ctcptype), Q_ARG(QString, prefix), Q_ARG(QString, target), Q_ARG(QString, ctcpparam));
135 if(!dequotedMessage.isEmpty())
136 displayMsg(messageType, target, userDecode(target, dequotedMessage), prefix, flags);
139 QByteArray CtcpHandler::pack(const QByteArray &ctcpTag, const QByteArray &message) {
140 return XDELIM + ctcpTag + ' ' + message + XDELIM;
143 // TODO handle encodings correctly!
144 void CtcpHandler::query(const QString &bufname, const QString &ctcpTag, const QString &message) {
145 QList<QByteArray> params;
146 params << serverEncode(bufname) << pack(serverEncode(ctcpTag), userEncode(bufname, message));
147 emit putCmd("PRIVMSG", params);
150 void CtcpHandler::reply(const QString &bufname, const QString &ctcpTag, const QString &message) {
151 QList<QByteArray> params;
152 params << serverEncode(bufname) << pack(serverEncode(ctcpTag), userEncode(bufname, message));
153 emit putCmd("NOTICE", params);
156 //******************************/
158 //******************************/
159 void CtcpHandler::handleAction(CtcpType ctcptype, const QString &prefix, const QString &target, const QString ¶m) {
161 emit displayMsg(Message::Action, typeByTarget(target), target, param, prefix);
164 void CtcpHandler::handlePing(CtcpType ctcptype, const QString &prefix, const QString &target, const QString ¶m) {
166 if(ctcptype == CtcpQuery) {
167 reply(nickFromMask(prefix), "PING", param);
168 emit displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Received CTCP PING request from %1").arg(prefix));
170 // display ping answer
171 uint now = QDateTime::currentDateTime().toTime_t();
172 uint then = QDateTime().fromTime_t(param.toInt()).toTime_t();
173 emit displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Received CTCP PING answer from %1 with %2 seconds round trip time").arg(prefix).arg(now-then));
177 void CtcpHandler::handleVersion(CtcpType ctcptype, const QString &prefix, const QString &target, const QString ¶m) {
179 if(ctcptype == CtcpQuery) {
180 reply(nickFromMask(prefix), "VERSION", QString("Quassel IRC (v%1 build >= %2) -- http://www.quassel-irc.org")
181 .arg(Global::quasselVersion).arg(Global::quasselBuild));
182 emit displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Received CTCP VERSION request by %1").arg(prefix));
184 // display Version answer
185 emit displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Received CTCP VERSION answer from %1: %2").arg(prefix).arg(param));
189 void CtcpHandler::defaultHandler(const QString &cmd, CtcpType ctcptype, const QString &prefix, const QString &target, const QString ¶m) {
193 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Received unknown CTCP %1 by %2").arg(cmd).arg(prefix));