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 Message::Flags 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... treat rest of the message as ctcp
112 xdelimEndPos = dequotedMessage.count();
114 ctcp = xdelimDequote(dequotedMessage.mid(xdelimPos + 1, xdelimEndPos - xdelimPos - 1));
115 dequotedMessage = dequotedMessage.mid(xdelimEndPos + 1);
117 //dispatch the ctcp command
118 QString ctcpcmd = userDecode(target, ctcp.left(spacePos));
119 QString ctcpparam = userDecode(target, ctcp.mid(spacePos + 1));
121 spacePos = ctcp.indexOf(' ');
123 ctcpcmd = userDecode(target, ctcp.left(spacePos));
124 ctcpparam = userDecode(target, ctcp.mid(spacePos + 1));
126 ctcpcmd = userDecode(target, ctcp);
127 ctcpparam = QString();
130 handle(ctcpcmd, Q_ARG(CtcpType, ctcptype), Q_ARG(QString, prefix), Q_ARG(QString, target), Q_ARG(QString, ctcpparam));
133 if(!dequotedMessage.isEmpty())
134 displayMsg(messageType, target, userDecode(target, dequotedMessage), prefix, flags);
137 QByteArray CtcpHandler::pack(const QByteArray &ctcpTag, const QByteArray &message) {
138 return XDELIM + ctcpTag + ' ' + message + XDELIM;
141 // TODO handle encodings correctly!
142 void CtcpHandler::query(const QString &bufname, const QString &ctcpTag, const QString &message) {
143 QList<QByteArray> params;
144 params << serverEncode(bufname) << pack(serverEncode(ctcpTag), userEncode(bufname, message));
145 emit putCmd("PRIVMSG", params);
148 void CtcpHandler::reply(const QString &bufname, const QString &ctcpTag, const QString &message) {
149 QList<QByteArray> params;
150 params << serverEncode(bufname) << pack(serverEncode(ctcpTag), userEncode(bufname, message));
151 emit putCmd("NOTICE", params);
154 //******************************/
156 //******************************/
157 void CtcpHandler::handleAction(CtcpType ctcptype, const QString &prefix, const QString &target, const QString ¶m) {
159 emit displayMsg(Message::Action, typeByTarget(target), target, param, prefix);
162 void CtcpHandler::handlePing(CtcpType ctcptype, const QString &prefix, const QString &target, const QString ¶m) {
164 if(ctcptype == CtcpQuery) {
165 reply(nickFromMask(prefix), "PING", param);
166 emit displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Received CTCP PING request from %1").arg(prefix));
168 // display ping answer
169 uint now = QDateTime::currentDateTime().toTime_t();
170 uint then = QDateTime().fromTime_t(param.toInt()).toTime_t();
171 emit displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Received CTCP PING answer from %1 with %2 seconds round trip time").arg(prefix).arg(now-then));
175 void CtcpHandler::handleVersion(CtcpType ctcptype, const QString &prefix, const QString &target, const QString ¶m) {
177 if(ctcptype == CtcpQuery) {
178 reply(nickFromMask(prefix), "VERSION", QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
179 .arg(Global::quasselVersion).arg(Global::quasselBuildDate));
180 emit displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Received CTCP VERSION request by %1").arg(prefix));
182 // display Version answer
183 emit displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Received CTCP VERSION answer from %1: %2").arg(prefix).arg(param));
187 void CtcpHandler::defaultHandler(const QString &cmd, CtcpType ctcptype, const QString &prefix, const QString &target, const QString ¶m) {
191 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Received unknown CTCP %1 by %2").arg(cmd).arg(prefix));