kmail

callback.cpp

00001 /*  -*- c++ -*-
00002     callback.cpp
00003 
00004     This file is used by KMail's plugin interface.
00005     Copyright (c) 2004 Bo Thorsen <bo@sonofthor.dk>
00006 
00007     KMail is free software; you can redistribute it and/or modify it
00008     under the terms of the GNU General Public License as published by
00009     the Free Software Foundation; either version 2 of the License, or
00010     (at your option) any later version.
00011 
00012     KMail is distributed in the hope that it will be useful, but
00013     WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     General Public License for more details.
00016 
00017     You should have received a copy of the GNU General Public License
00018     along with this program; if not, write to the Free Software
00019     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021     In addition, as a special exception, the copyright holders give
00022     permission to link the code of this program with any edition of
00023     the Qt library by Trolltech AS, Norway (or with modified versions
00024     of Qt that use the same license as Qt), and distribute linked
00025     combinations including the two.  You must obey the GNU General
00026     Public License in all respects for all of the code used other than
00027     Qt.  If you modify this file, you may extend this exception to
00028     your version of the file, but you are not obligated to do so.  If
00029     you do not wish to do so, delete this exception statement from
00030     your version.
00031 */
00032 
00033 #include "callback.h"
00034 #include "kmkernel.h"
00035 #include "kmmessage.h"
00036 #include "kmmsgpart.h"
00037 #include <libemailfunctions/email.h>
00038 #include <libkpimidentities/identity.h>
00039 #include <libkpimidentities/identitymanager.h>
00040 #include "kmmainwin.h"
00041 #include "composer.h"
00042 #include "kmreaderwin.h"
00043 #include "secondarywindow.h"
00044 #include "transportmanager.h"
00045 
00046 #include <mimelib/enum.h>
00047 
00048 #include <kinputdialog.h>
00049 #include <klocale.h>
00050 #include <kdebug.h>
00051 
00052 using namespace KMail;
00053 
00054 
00055 Callback::Callback( KMMessage* msg, KMReaderWin* readerWin )
00056   : mMsg( msg ), mReaderWin( readerWin ), mReceiverSet( false )
00057 {
00058 }
00059 
00060 QString Callback::askForTransport( bool nullIdentity ) const
00061 {
00062   const QStringList transports = KMail::TransportManager::transportNames();
00063   if ( transports.size() == 1 )
00064     return transports.first();
00065 
00066   const QString defaultTransport = GlobalSettings::self()->defaultTransport();
00067   const int defaultIndex = QMAX( 0, transports.findIndex( defaultTransport ) );
00068 
00069   QString text;
00070   if ( nullIdentity )
00071     text = i18n( "<qt>The receiver of this invitation doesn't match any of your identities.<br>"
00072                  "Please select the transport which should be used to send your reply.</qt>" );
00073   else
00074     text = i18n( "<qt>The identity matching the receiver of this invitation doesn't have an "
00075                  "associated transport configured.<br>"
00076                  "Please select the transport which should be used to send your reply.</qt>");
00077   bool ok;
00078   const QString transport = KInputDialog::getItem( i18n( "Select Transport" ), text,
00079                                         transports, defaultIndex, FALSE, &ok, kmkernel->mainWin() );
00080   if ( !ok )
00081     return QString();
00082 
00083   return transport;
00084 }
00085 
00086 bool Callback::mailICal( const QString& to, const QString &iCal,
00087                          const QString& subject, const QString &status,
00088                          bool delMessage ) const
00089 {
00090   kdDebug(5006) << "Mailing message:\n" << iCal << endl;
00091 
00092   KMMessage *msg = new KMMessage;
00093   msg->initHeader();
00094   msg->setSubject( subject );
00095   if ( GlobalSettings::self()->exchangeCompatibleInvitations() ) {
00096     if ( status == QString("cancel") )
00097       msg->setSubject( QString("Declined: %1").arg(subject).replace("Answer: ","") );
00098     else if ( status == QString("tentative") )
00099       msg->setSubject(QString("Tentative: %1").arg(subject).replace("Answer: ","") );
00100     else if ( status == QString("accepted") )
00101       msg->setSubject( QString("Accepted: %1").arg(subject).replace("Answer: ","") );
00102     else if ( status == QString("delegated") )
00103       msg->setSubject( QString("Delegated: %1").arg(subject).replace("Answer: ","") );
00104   }
00105   msg->setTo( to );
00106   msg->setFrom( receiver() );
00107 
00108   if ( !GlobalSettings::self()->exchangeCompatibleInvitations() ) {
00109     msg->setHeaderField( "Content-Type",
00110                          "text/calendar; method=reply; charset=\"utf-8\"" );
00111     msg->setBody( iCal.utf8() );
00112   }
00113 
00114   if ( delMessage && deleteInvitationAfterReply() )
00115     /* We want the triggering mail to be moved to the trash once this one
00116     * has been sent successfully. Set a link header which accomplishes that. */
00117     msg->link( mMsg, KMMsgStatusDeleted );
00118 
00119   // Try and match the receiver with an identity.
00120   // Setting the identity here is important, as that is used to select the correct
00121   // transport later
00122   const KPIM::Identity& identity = kmkernel->identityManager()->identityForAddress( receiver() );
00123   const bool nullIdentity = ( identity == KPIM::Identity::null() );
00124   if ( !nullIdentity ) {
00125     msg->setHeaderField("X-KMail-Identity", QString::number( identity.uoid() ));
00126   }
00127 
00128   const bool identityHasTransport = !identity.transport().isEmpty();
00129   if ( !nullIdentity && identityHasTransport )
00130     msg->setHeaderField( "X-KMail-Transport", identity.transport() );
00131   else if ( !nullIdentity && identity.isDefault() )
00132     msg->setHeaderField( "X-KMail-Transport", GlobalSettings::self()->defaultTransport() );
00133   else {
00134     const QString transport = askForTransport( nullIdentity );
00135     if ( transport.isEmpty() )
00136       return false; // user canceled transport selection dialog
00137     msg->setHeaderField( "X-KMail-Transport", transport );
00138   }
00139 
00140   // Outlook will only understand the reply if the From: header is the
00141   // same as the To: header of the invitation message.
00142   KConfigGroup options( KMKernel::config(), "Groupware" );
00143   if( !options.readBoolEntry( "LegacyMangleFromToHeaders", true ) ) {
00144     if( identity != KPIM::Identity::null() ) {
00145       msg->setFrom( identity.fullEmailAddr() );
00146     }
00147     // Remove BCC from identity on ical invitations (https://intevation.de/roundup/kolab/issue474)
00148     msg->setBcc( "" );
00149   }
00150 
00151   KMail::Composer * cWin = KMail::makeComposer();
00152   cWin->ignoreStickyFields();
00153   cWin->setMsg( msg, false /* mayAutoSign */ );
00154   // cWin->setCharset( "", true );
00155   cWin->disableWordWrap();
00156   cWin->setSigningAndEncryptionDisabled( true );
00157 
00158   if( GlobalSettings::self()->exchangeCompatibleInvitations() ) {
00159     // For Exchange, send ical as attachment, with proper
00160     // parameters
00161     msg->setSubject( status );
00162     msg->setCharset( "utf-8" );
00163     KMMessagePart *msgPart = new KMMessagePart;
00164     msgPart->setName( "cal.ics" );
00165     // msgPart->setCteStr( attachCte ); // "base64" ?
00166     msgPart->setBodyEncoded( iCal.utf8() );
00167     msgPart->setTypeStr( "text" );
00168     msgPart->setSubtypeStr( "calendar" );
00169     msgPart->setParameter( "method", "reply" );
00170     cWin->addAttach( msgPart );
00171   }
00172 
00173   cWin->disableRecipientNumberCheck();
00174   if ( options.readBoolEntry( "AutomaticSending", true ) ) {
00175     cWin->setAutoDeleteWindow(  true );
00176     cWin->slotSendNow();
00177   } else {
00178     cWin->show();
00179   }
00180 
00181   return true;
00182 }
00183 
00184 QString Callback::receiver() const
00185 {
00186   if ( mReceiverSet )
00187     // Already figured this out
00188     return mReceiver;
00189 
00190   mReceiverSet = true;
00191 
00192   QStringList addrs = KPIM::splitEmailAddrList( mMsg->to() );
00193   int found = 0;
00194   for( QStringList::Iterator it = addrs.begin(); it != addrs.end(); ++it ) {
00195     if( kmkernel->identityManager()->identityForAddress( *it ) !=
00196         KPIM::Identity::null() ) {
00197       // Ok, this could be us
00198       ++found;
00199       mReceiver = *it;
00200     }
00201   }
00202   QStringList ccaddrs = KPIM::splitEmailAddrList( mMsg->cc() );
00203   for( QStringList::Iterator it = ccaddrs.begin(); it != ccaddrs.end(); ++it ) {
00204     if( kmkernel->identityManager()->identityForAddress( *it ) !=
00205         KPIM::Identity::null() ) {
00206       // Ok, this could be us
00207       ++found;
00208       mReceiver = *it;
00209     }
00210   }
00211   if( found != 1 ) {
00212     bool ok;
00213     QString selectMessage;
00214     if (found == 0) {
00215       selectMessage = i18n("<qt>None of your identities match the "
00216           "receiver of this message,<br>please "
00217           "choose which of the following addresses "
00218           "is yours, if any, or select one of your identities to use in the reply:");
00219       addrs += kmkernel->identityManager()->allEmails();
00220     } else {
00221       selectMessage = i18n("<qt>Several of your identities match the "
00222           "receiver of this message,<br>please "
00223           "choose which of the following addresses "
00224           "is yours:");
00225     }
00226 
00227     // select default identity by default
00228     const QString defaultAddr = kmkernel->identityManager()->defaultIdentity().emailAddr();
00229     const int defaultIndex = QMAX( 0, addrs.findIndex( defaultAddr ) );
00230 
00231     mReceiver =
00232       KInputDialog::getItem( i18n( "Select Address" ),
00233           selectMessage,
00234           addrs+ccaddrs, defaultIndex, FALSE, &ok, kmkernel->mainWin() );
00235     if( !ok )
00236       mReceiver = QString::null;
00237   }
00238 
00239   return mReceiver;
00240 }
00241 
00242 void Callback::closeIfSecondaryWindow() const
00243 {
00244   KMail::SecondaryWindow *window = dynamic_cast<KMail::SecondaryWindow*>( mReaderWin->mainWindow() );
00245   if ( window )
00246     window->close();
00247 }
00248 
00249 bool Callback::askForComment( KCal::Attendee::PartStat status ) const
00250 {
00251     if ( ( status != KCal::Attendee::Accepted
00252             && GlobalSettings::self()->askForCommentWhenReactingToInvitation()
00253             == GlobalSettings:: EnumAskForCommentWhenReactingToInvitation::AskForAllButAcceptance )
00254         || GlobalSettings::self()->askForCommentWhenReactingToInvitation()
00255         == GlobalSettings:: EnumAskForCommentWhenReactingToInvitation::AlwaysAsk )
00256         return true;
00257     return false;
00258 }
00259 
00260 bool Callback::deleteInvitationAfterReply() const
00261 {
00262     return GlobalSettings::self()->deleteInvitationEmailsAfterSendingReply();
00263 }
00264 
00265 bool Callback::exchangeCompatibleInvitations() const
00266 {
00267   return GlobalSettings::self()->exchangeCompatibleInvitations();
00268 }
00269 
00270 bool Callback::outlookCompatibleInvitationReplyComments() const
00271 {
00272   return GlobalSettings::self()->outlookCompatibleInvitationReplyComments();
00273 }
00274 
00275 QString Callback::sender() const
00276 {
00277   return mMsg->from();
00278 }
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