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tdenetwork/kopete/protocols/msn/msnswitchboardsocket.cpp

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/*
msnswitchboardsocket.cpp - switch board connection socket
Copyright (c) 2002 by Martijn Klingens <klingens@kde.org>
Copyright (c) 2002-2006 by Olivier Goffart <ogoffart@ kde.org>
Kopete (c) 2002-2005 by the Kopete developers <kopete-devel@kde.org>
Portions of this code are taken from KMerlin,
(c) 2001 by Olaf Lueg <olueg@olsd.de>
*************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
*************************************************************************
*/
#include "msnswitchboardsocket.h"
#include <stdlib.h>
#include <time.h>
#include <cmath>
// qt
#include <tqstylesheet.h>
#include <tqregexp.h>
#include <tqimage.h>
#include <tqtimer.h>
#include <tqfile.h>
#include <tqfileinfo.h>
// kde
#include <kdebug.h>
#include <tdemessagebox.h>
#include <tdeapplication.h>
#include <tdeaboutdata.h>
#include <tdetempfile.h>
#include <tdeconfig.h>
#include <kmdcodec.h>
#include <kstandarddirs.h>
#include <tdetempfile.h>
// for the display picture
#include <msncontact.h>
#include "msnnotifysocket.h"
//kopete
#include "msnaccount.h"
#include "msnprotocol.h"
#include "kopetemessage.h"
#include "kopetecontact.h"
#include "kopeteuiglobal.h"
#include "kopeteemoticons.h"
//#include "kopeteaccountmanager.h"
//#include "kopeteprotocol.h"
#include "sha1.h"
#include "dispatcher.h"
using P2P::Dispatcher;
MSNSwitchBoardSocket::MSNSwitchBoardSocket( MSNAccount *account , TQObject *parent )
: MSNSocket( parent )
{
m_account = account;
m_recvIcons=0;
m_emoticonTimer=0L;
m_chunks=0;
m_clientcapsSent=false;
m_dispatcher = 0l;
m_keepAlive = 0l;
m_keepAliveNb=0;
}
MSNSwitchBoardSocket::~MSNSwitchBoardSocket()
{
kdDebug(14140) << k_funcinfo << endl;
TQMap<TQString , TQPair<TQString , KTempFile*> >::Iterator it;
for ( it = m_emoticons.begin(); it != m_emoticons.end(); ++it )
{
delete it.data().second;
}
}
void MSNSwitchBoardSocket::connectToSwitchBoard(TQString ID, TQString address, TQString auth)
{
// we need these for the handshake later on (when we're connected)
m_ID = ID;
m_auth = auth;
TQString server = address.left( address.find( ":" ) );
uint port = address.right( address.length() - address.findRev( ":" ) - 1 ).toUInt();
TQObject::connect( this, TQT_SIGNAL( blockRead( const TQByteArray & ) ),
this, TQT_SLOT(slotReadMessage( const TQByteArray & ) ) );
TQObject::connect( this, TQT_SIGNAL( onlineStatusChanged( MSNSocket::OnlineStatus ) ),
this, TQT_SLOT( slotOnlineStatusChanged( MSNSocket::OnlineStatus ) ) );
TQObject::connect( this, TQT_SIGNAL( socketClosed( ) ),
this, TQT_SLOT( slotSocketClosed( ) ) );
connect( server, port );
}
void MSNSwitchBoardSocket::handleError( uint code, uint id )
{
kdDebug(14140) << k_funcinfo << endl;
TQString msg;
MSNSocket::ErrorType type;
switch( code )
{
case 208:
{
msg = i18n( "Invalid user:\n"
"this MSN user does not exist; please check the MSN ID." );
type = MSNSocket::ErrorServerError;
userLeftChat(m_msgHandle , i18n("user never joined"));
break;
}
case 215:
{
msg = i18n( "The user %1 is already in this chat." ).arg( m_msgHandle );
type = MSNSocket::ErrorServerError;
//userLeftChat(m_msgHandle , i18n("user was twice in this chat") ); //(the user shouln't join there
break;
}
case 216:
{
msg = i18n( "The user %1 is online but has blocked you:\nyou can not talk to this user." ).arg( m_msgHandle );
type = MSNSocket::ErrorInformation;
userLeftChat(m_msgHandle, i18n("user blocked you"));
break;
}
case 217:
{
// TODO: we need to know the nickname instead of the handle.
msg = i18n( "The user %1 is currently not signed in.\n" "Messages will not be delivered." ).arg( m_msgHandle );
type = MSNSocket::ErrorServerError;
userLeftChat(m_msgHandle, i18n("user disconnected"));
break;
}
case 713:
{
TQString msg = i18n( "You are trying to invite too many contacts to this chat at the same time" ).arg( m_msgHandle );
type = MSNSocket::ErrorInformation;
userLeftChat(m_msgHandle, i18n("user blocked you"));
break;
}
case 911:
{
msg = i18n("Kopete MSN plugin has trouble authenticating with switchboard server.");
type = MSNSocket::ErrorServerError;
break;
}
default:
MSNSocket::handleError( code, id );
break;
}
if( !msg.isEmpty() )
emit errorMessage( type, msg );
}
void MSNSwitchBoardSocket::parseCommand( const TQString &cmd, uint id ,
const TQString &data )
{
if( cmd == "NAK" )
{
emit msgAcknowledgement(id, false); // msg was not accepted
}
else if( cmd == "ACK" )
{
emit msgAcknowledgement(id, true); // msg has received
}
else if( cmd == "JOI" )
{
// new user joins the chat, update user in chat list
TQString handle = data.section( ' ', 0, 0 );
TQString screenname = unescape(data.section( ' ', 1, 1 ));
if( !m_chatMembers.contains( handle ) )
m_chatMembers.append( handle );
emit userJoined( handle, screenname, false );
}
else if( cmd == "IRO" )
{
// we have joined a multi chat session- this are the users in this chat
TQString handle = data.section( ' ', 2, 2 );
if( !m_chatMembers.contains( handle ) )
m_chatMembers.append( handle );
TQString screenname = unescape(data.section( ' ', 3, 3));
emit userJoined( handle, screenname, true );
}
else if( cmd == "USR" )
{
slotInviteContact(m_msgHandle);
}
else if( cmd == "BYE" )
{
// some has disconnect from chat, update user in chat list
cleanQueue(); //in case some message are waiting their emoticons, never mind, send them
TQString handle = data.section( ' ', 0, 0 ).replace( "\r\n" , "" );
userLeftChat( handle, (data.section( ' ', 1, 1 ) == "1" ) ? i18n("timeout") : TQString() );
}
else if( cmd == "MSG" )
{
TQString len = data.section( ' ', 2, 2 );
// we need to know who's sending is the block...
m_msgHandle = data.section( ' ', 0, 0 );
/*//This is WRONG! the displayName is never updated on the switchboeardsocket
//so we can't trust it.
//that's why the official client does not uptade alaws the nickname immediately.
if(m_account->contacts()[ m_msgHandle ])
{
TQString displayName=data.section( ' ', 1, 1 );
if(m_account->contacts()[ m_msgHandle ]->displayName() != displayName)
m_account->contacts()[ m_msgHandle ]->rename(displayName);
}*/
readBlock(len.toUInt());
}
}
void MSNSwitchBoardSocket::slotReadMessage( const TQByteArray &bytes )
{
TQString msg = TQString::fromUtf8(bytes, bytes.size());
TQRegExp rx("Content-Type: ([A-Za-z0-9/\\-]*)");
rx.search(msg);
TQString type=rx.cap(1);
rx=TQRegExp("User-Agent: ([A-Za-z0-9./\\-]*)");
rx.search(msg);
TQString clientStr=rx.cap(1);
if( !clientStr.isNull() && !m_msgHandle.isNull())
{
Kopete::Contact *c=m_account->contacts()[m_msgHandle];
if(c)
c->setProperty( MSNProtocol::protocol()->propClient , clientStr );
}
// incoming message for File-transfer
if( type== "text/x-msmsgsinvite" )
{
emit invitation(m_msgHandle,msg);
}
else if( type== "text/x-msmsgscontrol" )
{
TQString message;
message = msg.right( msg.length() - msg.findRev( " " ) - 1 );
message = message.replace( "\r\n" ,"" );
emit receivedTypingMsg( message.lower(), true );
}
else if(type == "text/x-msnmsgr-datacast")
{
if(msg.contains("ID:"))
{
TQRegExp rx("ID: ([0-9]*)");
rx.search(msg);
uint dataCastId = rx.cap(1).toUInt();
if( dataCastId == 1 )
{
kdDebug(14140) << k_funcinfo << "Received a nudge !" << endl;
emit nudgeReceived(m_msgHandle);
}
}
}
else if(type=="text/plain" /* || type.isEmpty()*/ )
{
// Some MSN Clients (like CCMSN) don't like to stick to the rules.
// In case of CCMSN, it doesn't send what the content type is when
// sending a text message. So if it's not supplied, we'll just
// assume its that.
TQColor fontColor;
TQFont font;
if ( msg.contains( "X-MMS-IM-Format" ) )
{
TQString fontName;
TQString fontInfo;
TQString color;
rx=TQRegExp("X-MMS-IM-Format: ([^\r\n]*)");
rx.search(msg);
fontInfo =rx.cap(1);
color = parseFontAttr(fontInfo, "CO");
// FIXME: this is so BAAAAAAAAAAAAD :(
if (!color.isEmpty() && color.toInt(0,16)!=0)
{
if ( color.length() == 2) // only #RR (red color) given
fontColor.setRgb(
color.mid(0,2).toInt(0,16),
0,
0);
else if ( color.length() == 4) // #GGRR (green, red) given.
{
fontColor.setRgb(
color.mid(2,2).toInt(0,16),
color.mid(0,2).toInt(0,16),
0);
}
else if ( color.length() == 6) // full #BBGGRR given
{
fontColor.setRgb(
color.mid(4,2).toInt(0, 16),
color.mid(2,2).toInt(0,16),
color.mid(0,2).toInt(0,16));
}
}
fontName = parseFontAttr(fontInfo, "FN").replace( "%20" , " " );
// Some clients like Trillian and Kopete itself send a font
// name of 'MS Serif' since MS changed the server to
// _require_ a font name specified in june 2002.
// MSN's own client defaults to 'MS Sans Serif', which also
// has issues.
// Handle 'MS Serif' and 'MS Sans Serif' as an empty font name
if( !fontName.isEmpty() && fontName != "MS Serif" && fontName != "MS Sans Serif" )
{
TQString ef=parseFontAttr( fontInfo, "EF" );
font = TQFont( fontName,
parseFontAttr( fontInfo, "PF" ).toInt(), // font size
ef.contains( 'B' ) ? TQFont::Bold : TQFont::Normal,
ef.contains( 'I' ) );
font.setUnderline(ef.contains( 'U' ));
font.setStrikeOut(ef.contains( 'S' ));
}
}
TQPtrList<Kopete::Contact> others;
others.append( m_account->myself() );
TQStringList::iterator it2;
for( it2 = m_chatMembers.begin(); it2 != m_chatMembers.end(); ++it2 )
{
if( *it2 != m_msgHandle )
others.append( m_account->contacts()[ *it2 ] );
}
TQString message=msg.right( msg.length() - msg.find("\r\n\r\n") - 4 );
//Stupid MSN PLUS colors code. message with incorrect charactere are not showed correctly in the chatwindow.
//TODO: parse theses one to show the color too in Kopete
message.replace("\3","").replace("\4","").replace("\2","").replace("\5","").replace("\6","").replace("\7","");
if(!m_account->contacts()[m_msgHandle])
{
//this may happens if the contact has been deleted.
kdDebug(14140) << k_funcinfo <<"WARNING: contact is null, adding it" <<endl;
if( !m_chatMembers.contains( m_msgHandle ) )
m_chatMembers.append( m_msgHandle );
emit userJoined( m_msgHandle , m_msgHandle , false);
}
Kopete::Message kmsg( m_account->contacts()[ m_msgHandle ], others,
message,
Kopete::Message::Inbound , Kopete::Message::PlainText );
kmsg.setFg( fontColor );
kmsg.setFont( font );
rx=TQRegExp("Chunks: ([0-9]*)");
rx.search(msg);
unsigned int chunks=rx.cap(1).toUInt();
rx=TQRegExp("Chunk: ([0-9]*)");
rx.search(msg);
unsigned int chunk=rx.cap(1).toUInt();
if(chunk != 0 && !m_msgQueue.isEmpty())
{
TQString msg=m_msgQueue.last().plainBody();
m_msgQueue.pop_back(); //removes the last item
kmsg.setBody( msg+ message, Kopete::Message::PlainText );
}
if(chunk == 0 )
m_chunks=chunks;
else if(chunk+1 >= m_chunks)
m_chunks=0;
if ( m_recvIcons > 0 || m_chunks > 0)
{ //Some custom emoticons are waiting to be received. so append the message to the queue
//Or the message has not been fully received, so same thing
kdDebug(14140) << k_funcinfo << "Message not fully received => append to queue. Emoticon left: " << m_recvIcons << " chunks: " << chunk+1 << " of " << m_chunks <<endl;
m_msgQueue.append( kmsg );
if(!m_emoticonTimer) //to be sure no message will be lost, we will appends message to
{ // the queue in 15 secondes even if we have not received emoticons
m_emoticonTimer=new TQTimer(this);
TQObject::connect(m_emoticonTimer , TQT_SIGNAL(timeout()) , this, TQT_SLOT(cleanQueue()));
m_emoticonTimer->start( 15000 , true );
}
}
else
emit msgReceived( parseCustomEmoticons( kmsg ) );
}
else if( type== "text/x-mms-emoticon" || type== "text/x-mms-animemoticon")
{
// TODO remove Displatcher.
TDEConfig *config = TDEGlobal::config();
config->setGroup( "MSN" );
if ( config->readBoolEntry( "useCustomEmoticons", true ) )
{
TQRegExp rx("([^\\s]*)[\\s]*(<msnobj [^>]*>)");
rx.setMinimal(true);
int pos = rx.search(msg);
while( pos != -1)
{
TQString msnobj=rx.cap(2);
TQString txt=rx.cap(1);
kdDebug(14140) << k_funcinfo << "emoticon: " << txt << " msnobj: " << msnobj<< endl;
if( !m_emoticons.contains(msnobj) || !m_emoticons[msnobj].second )
{
m_emoticons.insert(msnobj, tqMakePair(txt,(KTempFile*)0L));
MSNContact *c=static_cast<MSNContact*>(m_account->contacts()[m_msgHandle]);
if(!c)
return;
// we are receiving emoticons, so delay message display until received signal
m_recvIcons++;
PeerDispatcher()->requestDisplayIcon(m_msgHandle, msnobj);
}
pos=rx.search(msg, pos+rx.matchedLength());
}
}
}
else if( type== "application/x-msnmsgrp2p" )
{
PeerDispatcher()->slotReadMessage(m_msgHandle, bytes);
}
else if( type == "text/x-clientcaps" )
{
rx=TQRegExp("Client-Name: ([A-Za-z0-9.$!*/% \\-]*)");
rx.search(msg);
clientStr=unescape( rx.cap(1) );
if( !clientStr.isNull() && !m_msgHandle.isNull())
{
Kopete::Contact *c=m_account->contacts()[m_msgHandle];
if(c)
c->setProperty( MSNProtocol::protocol()->propClient , clientStr );
}
if(!m_clientcapsSent)
{
TDEConfig *config = TDEGlobal::config();
config->setGroup( "MSN" );
TQString JabberID;
if(config->readBoolEntry("SendJabber", true))
JabberID=config->readEntry("JabberAccount");
if(!JabberID.isEmpty())
JabberID="JabberID: "+JabberID +"\r\n";
if( config->readBoolEntry("SendClientInfo", true) || !JabberID.isEmpty())
{
TQCString message = TQString( "MIME-Version: 1.0\r\n"
"Content-Type: text/x-clientcaps\r\n"
"Client-Name: Kopete/"+escape(kapp->aboutData()->version())+"\r\n"
+JabberID+
"\r\n" ).utf8();
TQString args = "U";
sendCommand( "MSG", args, true, message );
}
m_clientcapsSent=true;
}
}
else if(type == "image/gif" || msg.contains("Message-ID:"))
{
// Incoming inkformatgif.
TQRegExp regex("Message-ID: \\{([0-9A-F\\-]*)\\}");
regex.search(msg);
TQString messageId = regex.cap(1);
regex = TQRegExp("Chunks: (\\d+)");
regex.search(msg);
TQString chunks = regex.cap(1);
regex = TQRegExp("Chunk: (\\d+)");
regex.search(msg);
TQString chunk = regex.cap(1);
if(!messageId.isNull())
{
bool valid = true;
// Retrieve the nmber of data chunks.
TQ_UINT32 numberOfChunks = chunks.toUInt(&valid);
if(valid && (numberOfChunks > 1))
{
regex = TQRegExp("base64:([0-9a-zA-Z+/=]+)");
regex.search(msg);
// Retrieve the first chunk of the ink format gif.
TQString base64 = regex.cap(1);
// More chunks are expected, buffer the chunk received.
InkMessage inkMessage;
inkMessage.chunks = numberOfChunks;
inkMessage.data += base64;
m_inkMessageBuffer.insert(messageId, inkMessage);
}
}
else
{
// There is only one chunk of data.
regex = TQRegExp("base64:([0-9a-zA-Z+/=]*)");
regex.search(msg);
// Retrieve the base64 encoded ink data.
TQString data = regex.cap(1);
DispatchInkMessage(data);
}
if(!messageId.isNull())
{
if(m_inkMessageBuffer.contains(messageId))
{
if(chunks.isNull())
{
InkMessage inkMessage = m_inkMessageBuffer[messageId];
inkMessage.data += msg.section("\r\n\r\n", -1);
if(inkMessage.chunks == chunk.toUInt() + 1)
{
DispatchInkMessage(inkMessage.data);
// Remove the ink message from the buffer.
m_inkMessageBuffer.remove(messageId);
}
}
}
}
}
else
{
kdDebug(14140) << k_funcinfo <<" Unknown type '" << type << "' message: \n"<< msg <<endl;
}
}
void MSNSwitchBoardSocket::DispatchInkMessage(const TQString& base64String)
{
TQByteArray image;
// Convert from base64 encoded string to byte array.
KCodecs::base64Decode(base64String.utf8() , image);
KTempFile *inkImage = new KTempFile(locateLocal( "tmp", "inkformatgif-" ), ".gif");
inkImage->setAutoDelete(true);
inkImage->file()->writeBlock(image.data(), image.size());
inkImage->file()->close();
slotEmoticonReceived(inkImage , "inkformatgif");
inkImage = 0l;
}
void MSNSwitchBoardSocket::sendTypingMsg( bool isTyping )
{
if( !isTyping )
return;
if ( onlineStatus() != Connected || m_chatMembers.empty())
{
//we are not yet in a chat.
//if we send that command now, we may get disconnected.
return;
}
TQCString message = TQString( "MIME-Version: 1.0\r\n"
"Content-Type: text/x-msmsgscontrol\r\n"
"TypingUser: " + m_myHandle + "\r\n"
"\r\n" ).utf8();
// Length is appended by sendCommand()
TQString args = "U";
sendCommand( "MSG", args, true, message );
}
// this Invites an Contact
void MSNSwitchBoardSocket::slotInviteContact(const TQString &handle)
{
m_msgHandle=handle;
sendCommand( "CAL", handle );
}
//
// Send a custum emoticon
//
int MSNSwitchBoardSocket::sendCustomEmoticon(const TQString &name, const TQString &filename)
{
TQString picObj;
//try to find it in the cache.
const TQMap<TQString, TQString> objectList = PeerDispatcher()->objectList;
for (TQMap<TQString,TQString>::ConstIterator it = objectList.begin(); it != objectList.end(); ++it )
{
if(it.data() == filename)
{
picObj=it.key();
break;
}
}
if(picObj.isNull())
{ //if not found in the cache, generate the picture object
TQFileInfo fi(filename);
// open the icon file
TQFile pictFile(fi.filePath());
if (pictFile.open(IO_ReadOnly)) {
TQByteArray ar = pictFile.readAll();
pictFile.close();
TQString sha1d = TQString(KCodecs::base64Encode(SHA1::hash(ar)));
TQString size = TQString::number( pictFile.size() );
TQString all = "Creator" + m_account->accountId() + "Size" + size + "Type2Location" + fi.fileName() + "FriendlyAAA=SHA1D" + sha1d;
TQString sha1c = TQString(KCodecs::base64Encode(SHA1::hashString(all.utf8())));
picObj = "<msnobj Creator=\"" + m_account->accountId() + "\" Size=\"" + size + "\" Type=\"2\" Location=\""+ fi.fileName() + "\" Friendly=\"AAA=\" SHA1D=\""+sha1d+ "\" SHA1C=\""+sha1c+"\"/>";
PeerDispatcher()->objectList.insert(picObj, filename);
}
else
return 0;
}
TQString msg = "MIME-Version: 1.0\r\n"
"Content-Type: text/x-mms-emoticon\r\n"
"\r\n" +
name + "\t" + picObj + "\t\r\n";
return sendCommand("MSG", "A", true, msg.utf8());
}
// this sends a short message to the server
int MSNSwitchBoardSocket::sendMsg( const Kopete::Message &msg )
{
if ( onlineStatus() != Connected || m_chatMembers.empty())
{
// m_messagesQueue.append(msg);
return -1;
}
#if 0 //this is to test webcam
if(msg.plainBody().contains("/webcam"))
{
PeerDispatcher()->startWebcam( m_myHandle , m_msgHandle);
return -3;
}
#endif
TDEConfig *config = TDEGlobal::config();
config->setGroup( "MSN" );
if ( config->readBoolEntry( "exportEmoticons", false ) )
{
TQMap<TQString, TQStringList> emap = Kopete::Emoticons::self()->emoticonAndPicList();
// Check the list for any custom emoticons
for (TQMap<TQString, TQStringList>::const_iterator itr = emap.begin(); itr != emap.end(); itr++)
{
for ( TQStringList::const_iterator itr2 = itr.data().constBegin(); itr2 != itr.data().constEnd(); ++itr2 )
{
if ( msg.plainBody().contains( *itr2 ) )
sendCustomEmoticon( *itr2, itr.key() );
}
}
}
if( msg.format() & Kopete::Message::RichText )
{
TQRegExp regex("^\\s*<img src=\"([^>\"]+)\"[^>]*>\\s*$");
if(regex.search(msg.escapedBody()) != -1)
{
// FIXME why are we sending the images.. the contact should request them.
PeerDispatcher()->sendImage(regex.cap(1), m_msgHandle);
return -3;
}
}
// User-Agent is not a official flag, but PIDGIN has it
TQString UA;
if( config->readBoolEntry("SendClientInfo", true) )
{
UA="User-Agent: Kopete/"+escape(kapp->aboutData()->version())+"\r\n";
}
TQString head =
"MIME-Version: 1.0\r\n"
"Content-Type: text/plain; charset=UTF-8\r\n"
+UA+
"X-MMS-IM-Format: ";
if(msg.font() != TQFont() )
{
//It's verry strange that if the font name is bigger than 31 char, the _server_ close the socket and don't deliver the message.
// the real question is why ? my guess is that MS patched the server because a bug in their client, but that's just a guess.
// - Olivier 06-2005
head += "FN=" + escape( msg.font().family().left(31));
head += "; EF=";
if(msg.font().bold())
head += "B";
if(msg.font().italic())
head += "I";
if(msg.font().strikeOut())
head += "S";
if(msg.font().underline())
head += "U";
head += "; ";
}
else head+="FN=; EF=; ";
/*
* I don't know what to set by default, so i decided to set nothing. CF Bug 82734
* (but don't forgeto to add an empty FN= and EF= , or webmessenger will break. (CF Bug 102371) )
else head+="FN=MS%20Serif; EF=; ";
*/
// Color support
if (msg.fg().isValid())
{
TQString colorCode = TQColor(msg.fg().blue(),msg.fg().green(),msg.fg().red()).name().remove(0,1); //colors aren't sent in RGB but in BGR (O.G.)
head += "CO=" + colorCode;
}
else
{
head += "CO=0";
}
head += "; CS=0; PF=0";
if (msg.plainBody().isRightToLeft())
head += "; RL=1";
head += "\r\n";
TQString message= msg.plainBody().replace( "\n" , "\r\n" );
//-- Check if the message isn't too big, TODO: do that at the libkopete level.
int len_H=head.utf8().length(); // != head.length() because i need the size in butes and
int len_M=message.utf8().length(); // some utf8 char may be longer than one byte
if( len_H+len_M >= 1660 ) //1664 is the maximum size of messages allowed by the server
{
//We will certenly split the message in several ones.
//It's possible to made the opposite client join them, as explained in this MS Word document
//http://www.bot-depot.com/forums/index.php?act=Attach&type=post&id=35110
head+="Message-ID: {7B7B34E6-7A8D-44FF-926C-1799156B58"+TQString::number( rand()%10)+TQString::number( rand()%10)+"}\r\n";
int len_H=head.utf8().length()+ 14; //14 is the size of "Chunks: x"
//this is the size of each part of the message (excluding the header)
int futurmessages_size=1400; //1400 is a common good size
//int futurmessages_size=1664-len_H;
int nb=(int)ceil((float)(len_M)/(float)(futurmessages_size));
if(KMessageBox::warningContinueCancel(0L /* FIXME: we should try to find a parent somewere*/ ,
i18n("The message you are trying to send is too long; it will be split into %1 messages.").arg(nb) ,
i18n("Message too big - MSN Plugin" ), KStdGuiItem::cont() , "SendLongMessages" )
== KMessageBox::Continue )
{
int place=0;
int result;
int chunk=0;
do
{
TQString m=message.mid(place, futurmessages_size);
place += futurmessages_size;
//make sure the size is not too big because of utf8
int d=m.utf8().length() + len_H -1664;
if( d > 0 )
{//it contains some utf8 chars, so we strip the string a bit.
m=m.left( futurmessages_size - d );
place -= d;
}
//try to snip on space if possible
int len=m.length();
d=0;
while(d<200 && !m[len-d].isSpace() )
d++;
if(d<200)
{
m=m.left(len-d);
place -= d;
}
TQString chunk_str;
if(chunk==0)
chunk_str="Chunks: "+TQString::number(nb)+"\r\n";
else if(chunk<nb)
chunk_str="Chunk: "+TQString::number(chunk)+"\r\n";
else
{
kdDebug(14140) << k_funcinfo <<"The message is slit in more than initially estimated" <<endl;
}
result=sendCommand( "MSG", "A", true, (head+chunk_str+"\r\n"+m).utf8() );
chunk++;
}
while(place < len_M) ;
while(chunk<nb)
{
kdDebug(14140) << k_funcinfo <<"The message is plit in less than initially estimated. Sending empty message to complete" <<endl;
TQString chunk_str="Chunk: "+TQString::number(chunk);
sendCommand( "MSG", "A", true, (head+chunk_str+"\r\n").utf8() );
chunk++;
}
return result;
}
return -2; //the message hasn't been sent.
}
if(!m_keepAlive)
{
m_keepAliveNb=20;
m_keepAlive=new TQTimer(this);
TQObject::connect(m_keepAlive, TQT_SIGNAL(timeout()) , this , TQT_SLOT(slotKeepAliveTimer()));
m_keepAlive->start(50*1000);
}
return sendCommand( "MSG", "A", true, (head+"\r\n"+message).utf8() );
}
void MSNSwitchBoardSocket::slotSocketClosed( )
{
for( TQStringList::Iterator it = m_chatMembers.begin(); it != m_chatMembers.end(); ++it )
{
emit userLeft( (*it), i18n("connection closed"));
}
// we have lost the connection, send a message to chatwindow (this will not displayed)
// emit switchBoardIsActive(false);
emit switchBoardClosed( );
}
void MSNSwitchBoardSocket::slotCloseSession()
{
sendCommand( "OUT", TQString(), false );
disconnect();
}
// Check if we are connected. If so, then send the handshake.
void MSNSwitchBoardSocket::slotOnlineStatusChanged( MSNSocket::OnlineStatus status )
{
if (status == Connected)
{
TQCString command;
TQString args;
if( !m_ID ) // we're inviting
{
command = "USR";
args = m_myHandle + " " + m_auth;
}
else // we're invited
{
command = "ANS";
args = m_myHandle + " " + m_auth + " " + m_ID;
}
sendCommand( command, args );
if(!m_keepAlive)
{
m_keepAliveNb=20;
m_keepAlive=new TQTimer(this);
TQObject::connect(m_keepAlive, TQT_SIGNAL(timeout()) , this , TQT_SLOT(slotKeepAliveTimer()));
m_keepAlive->start(50*1000);
}
}
}
void MSNSwitchBoardSocket::userLeftChat(const TQString& handle , const TQString &reason)
{
emit userLeft( handle, reason );
if( m_chatMembers.contains( handle ) )
m_chatMembers.remove( handle );
if(m_chatMembers.isEmpty())
disconnect();
}
void MSNSwitchBoardSocket::requestDisplayPicture()
{
MSNContact *contact = static_cast<MSNContact*>(m_account->contacts()[m_msgHandle]);
if(!contact) return;
PeerDispatcher()->requestDisplayIcon(m_msgHandle, contact->object());
}
void MSNSwitchBoardSocket::slotEmoticonReceived( KTempFile *file, const TQString &msnObj )
{
kdDebug(14141) << k_funcinfo << msnObj << endl;
if(m_emoticons.contains(msnObj))
{ //it's an emoticon
m_emoticons[msnObj].second=file;
if( m_recvIcons > 0 )
m_recvIcons--;
kdDebug(14140) << k_funcinfo << "emoticons received queue is now: " << m_recvIcons << endl;
if ( m_recvIcons <= 0 )
cleanQueue();
}
else if(msnObj == "inkformatgif")
{
TQString msg=i18n("<img src=\"%1\" alt=\"Typewrited message\" />" ).arg( file->name() );
kdDebug(14140) << k_funcinfo << file->name() <<endl;
m_typewrited.append(file);
m_typewrited.setAutoDelete(true);
TQPtrList<Kopete::Contact> others;
others.append( m_account->myself() );
TQStringList::iterator it2;
for( it2 = m_chatMembers.begin(); it2 != m_chatMembers.end(); ++it2 )
{
if( *it2 != m_msgHandle )
others.append( m_account->contacts()[ *it2 ] );
}
if(!m_account->contacts()[m_msgHandle])
{
//this may happens if the contact has been deleted.
kdDebug(14140) << k_funcinfo <<"WARNING: contact is null, adding it" <<endl;
if( !m_chatMembers.contains( m_msgHandle ) )
m_chatMembers.append( m_msgHandle );
emit userJoined( m_msgHandle , m_msgHandle , false);
}
Kopete::Message kmsg( m_account->contacts()[ m_msgHandle ], others,
msg, Kopete::Message::Inbound , Kopete::Message::RichText );
emit msgReceived( kmsg );
}
else //if it is not an emoticon,
{ // it's certenly the displaypicture.
MSNContact *c=static_cast<MSNContact*>(m_account->contacts()[m_msgHandle]);
if(c && c->object()==msnObj)
c->setDisplayPicture(file);
else
delete file;
}
}
void MSNSwitchBoardSocket::slotIncomingFileTransfer(const TQString& from, const TQString& /*fileName*/, TQ_INT64 /*fileSize*/)
{
TQPtrList<Kopete::Contact> others;
others.append( m_account->myself() );
TQStringList::iterator it2;
for( it2 = m_chatMembers.begin(); it2 != m_chatMembers.end(); ++it2 )
{
if( *it2 != m_msgHandle )
others.append( m_account->contacts()[ *it2 ] );
}
if(!m_account->contacts()[m_msgHandle])
{
//this may happens if the contact has been deleted.
kdDebug(14140) << k_funcinfo <<"WARNING: contact is null, adding it" <<endl;
if( !m_chatMembers.contains( m_msgHandle ) )
m_chatMembers.append( m_msgHandle );
emit userJoined( m_msgHandle , m_msgHandle , false);
}
TQString invite = "Incoming file transfer.";
Kopete::Message msg =
Kopete::Message(m_account->contacts()[from], others, invite, Kopete::Message::Internal, Kopete::Message::PlainText);
emit msgReceived(msg);
}
void MSNSwitchBoardSocket::cleanQueue()
{
if(m_emoticonTimer)
{
m_emoticonTimer->stop();
m_emoticonTimer->deleteLater();
m_emoticonTimer=0L;
}
kdDebug(14141) << k_funcinfo << m_msgQueue.count() << endl;
TQValueList<const Kopete::Message>::Iterator it_msg;
for ( it_msg = m_msgQueue.begin(); it_msg != m_msgQueue.end(); ++it_msg )
{
Kopete::Message kmsg = (*it_msg);
emit msgReceived( parseCustomEmoticons( kmsg ) );
}
m_msgQueue.clear();
}
Kopete::Message &MSNSwitchBoardSocket::parseCustomEmoticons(Kopete::Message &kmsg)
{
TQString message=kmsg.escapedBody();
TQMap<TQString , TQPair<TQString , KTempFile*> >::Iterator it;
for ( it = m_emoticons.begin(); it != m_emoticons.end(); ++it )
{
TQString es=TQStyleSheet::escape(it.data().first);
KTempFile *f=it.data().second;
if(message.contains(es) && f)
{
TQString imgPath = f->name();
TQImage iconImage(imgPath);
/* We don't use a comple algoritm (like the one in the #if) because the msn client shows
* emoticons like that. So, in that case, we show like the MSN client */
#if 0
TQString em = TQRegExp::escape( es );
message.replace( TQRegExp(TQString::fromLatin1( "(^|[\\W\\s]|%1)(%2)(?!\\w)" ).arg(em).arg(em)),
TQString::fromLatin1("\\1<img align=\"center\" width=\"") +
#endif
//match any occurence which is not in a html tag.
message.replace( TQRegExp(TQString::fromLatin1("%1(?![^><]*>)").arg(TQRegExp::escape(es))),
TQString::fromLatin1("<img align=\"center\" width=\"") +
TQString::number(iconImage.width()) +
TQString::fromLatin1("\" height=\"") +
TQString::number(iconImage.height()) +
TQString::fromLatin1("\" src=\"") + imgPath +
TQString::fromLatin1("\" title=\"") + es +
TQString::fromLatin1("\" alt=\"") + es +
TQString::fromLatin1( "\"/>" ) );
kmsg.setBody(message, Kopete::Message::RichText);
}
}
return kmsg;
}
int MSNSwitchBoardSocket::sendNudge()
{
TQCString message = TQString( "MIME-Version: 1.0\r\n"
"Content-Type: text/x-msnmsgr-datacast\r\n"
"\r\n"
"ID: 1\r\n"
"\r\n\r\n" ).utf8();
TQString args = "U";
return sendCommand( "MSG", args, true, message );
}
// FIXME: This is nasty... replace with a regexp or so.
TQString MSNSwitchBoardSocket::parseFontAttr(TQString str, TQString attr)
{
TQString tmp;
int pos1=0, pos2=0;
pos1 = str.find(attr + "=");
if (pos1 == -1)
return "";
pos2 = str.find(";", pos1+3);
if (pos2 == -1)
tmp = str.mid(pos1+3, str.length() - pos1 - 3);
else
tmp = str.mid(pos1+3, pos2 - pos1 - 3);
return tmp;
}
Dispatcher* MSNSwitchBoardSocket::PeerDispatcher()
{
if(!m_dispatcher)
{
// Create a new msnslp dispatcher to handle
// all peer to peer requests.
TQStringList ip;
if(m_account->notifySocket())
{
ip << m_account->notifySocket()->localIP();
if(m_account->notifySocket()->localIP() != m_account->notifySocket()->getLocalIP())
ip << m_account->notifySocket()->getLocalIP();
}
m_dispatcher = new Dispatcher(this, m_account->accountId(),ip );
// TQObject::connect(this, TQT_SIGNAL(blockRead(const TQByteArray&)), m_dispatcher, TQT_SLOT(slotReadMessage(const TQByteArray&)));
// TQObject::connect(m_dispatcher, TQT_SIGNAL(sendCommand(const TQString&, const TQString&, bool, const TQByteArray&, bool)), this, TQT_SLOT(sendCommand(const TQString&, const TQString&, bool, const TQByteArray&, bool)));
TQObject::connect(m_dispatcher, TQT_SIGNAL(incomingTransfer(const TQString&, const TQString&, TQ_INT64)), this, TQT_SLOT(slotIncomingFileTransfer(const TQString&, const TQString&, TQ_INT64)));
TQObject::connect(m_dispatcher, TQT_SIGNAL(displayIconReceived(KTempFile *, const TQString&)), this, TQT_SLOT(slotEmoticonReceived( KTempFile *, const TQString&)));
TQObject::connect(this, TQT_SIGNAL(msgAcknowledgement(unsigned int, bool)), m_dispatcher, TQT_SLOT(messageAcknowledged(unsigned int, bool)));
m_dispatcher->m_pictureUrl = m_account->pictureUrl();
}
return m_dispatcher;
}
void MSNSwitchBoardSocket::slotKeepAliveTimer( )
{
/*
This is a workaround against the bug 113425
The problem: the P2P::Webcam class is parent of us, and when we get deleted, it get deleted.
the correct solution would be to change that.
The second problem: after one minute of inactivity, the official client close the chat socket.
the workaround: we simulate the activity by sending small packet each 50 seconds
the nice side effect: the "xxx has closed the chat" is now meaningfull
the bad side effect: some switchboard connection may be maintained for really long time!
*/
if ( onlineStatus() != Connected || m_chatMembers.empty())
{
//we are not yet in a chat.
//if we send that command now, we may get disconnected.
return;
}
TQCString message = TQString( "MIME-Version: 1.0\r\n"
"Content-Type: text/x-keepalive\r\n"
"\r\n" ).utf8();
// Length is appended by sendCommand()
TQString args = "U";
sendCommand( "MSG", args, true, message );
m_keepAliveNb--;
if(m_keepAliveNb <= 0)
{
m_keepAlive->deleteLater();
m_keepAlive=0L;
}
}
#include "msnswitchboardsocket.moc"
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