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kmail imapjob.cpp /* -*- mode: C++; c-file-style: "gnu" -*- * * This file is part of KMail, the KDE mail client. * Copyright (c) 2002-2003 Zack Rusin <zack@kde.org> * 2000-2002 Michael Haeckel <haeckel@kde.org> * * KMail is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License, version 2, as * published by the Free Software Foundation. * * KMail is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * In addition, as a special exception, the copyright holders give * permission to link the code of this program with any edition of * the Qt library by Trolltech AS, Norway (or with modified versions * of Qt that use the same license as Qt), and distribute linked * combinations including the two. You must obey the GNU General * Public License in all respects for all of the code used other than * Qt. If you modify this file, you may extend this exception to * your version of the file, but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from * your version. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "imapjob.h" #include "kmfolderimap.h" #include "kmfolder.h" #include "kmmsgpart.h" #include "progressmanager.h" using KPIM::ProgressManager; #include "util.h" #include <qstylesheet.h> #include <kio/scheduler.h> #include <kdebug.h> #include <klocale.h> #include <mimelib/body.h> #include <mimelib/bodypart.h> #include <mimelib/string.h> namespace KMail { //----------------------------------------------------------------------------- ImapJob::ImapJob( KMMessage *msg, JobType jt, KMFolderImap* folder, QString partSpecifier, const AttachmentStrategy *as ) : FolderJob( msg, jt, folder? folder->folder() : 0, partSpecifier ), mAttachmentStrategy( as ), mParentProgressItem(0) { } //----------------------------------------------------------------------------- ImapJob::ImapJob( QPtrList<KMMessage>& msgList, QString sets, JobType jt, KMFolderImap* folder ) : FolderJob( msgList, sets, jt, folder? folder->folder() : 0 ), mAttachmentStrategy ( 0 ), mParentProgressItem(0) { } void ImapJob::init( JobType jt, QString sets, KMFolderImap* folder, QPtrList<KMMessage>& msgList ) { mJob = 0; assert(jt == tGetMessage || folder); KMMessage* msg = msgList.first(); // guard against empty list if ( !msg ) { deleteLater(); return; } mType = jt; mDestFolder = folder? folder->folder() : 0; // refcount++ if (folder) { folder->open("imapjobdest"); } KMFolder *msg_parent = msg->parent(); if (msg_parent) { if (!folder || folder!= msg_parent->storage()) { msg_parent->open("imapjobsrc"); } } mSrcFolder = msg_parent; // If there is a destination folder, this is a copy, move or put to an // imap folder, use its account for keeping track of the job. Otherwise, // this is a get job and the src folder is an imap one. Use its account // then. KMAcctImap *account = 0; if (folder) { account = folder->account(); } else { if ( msg_parent && msg_parent->storage() ) account = static_cast<KMFolderImap*>(msg_parent->storage())->account(); } if ( !account || account->makeConnection() == ImapAccountBase::Error ) { deleteLater(); return; } account->mJobList.append( this ); if ( jt == tPutMessage ) { // transfers the complete message to the server QPtrListIterator<KMMessage> it( msgList ); KMMessage* curMsg; while ( ( curMsg = it.current() ) != 0 ) { ++it; if ( mSrcFolder && !curMsg->isMessage() ) { int idx = mSrcFolder->find( curMsg ); curMsg = mSrcFolder->getMsg( idx ); } KURL url = account->getUrl(); QString flags = KMFolderImap::statusToFlags( curMsg->status() ); url.setPath( folder->imapPath() + ";SECTION=" + flags ); ImapAccountBase::jobData jd; jd.parent = 0; jd.offset = 0; jd.done = 0; jd.total = ( curMsg->msgSizeServer() > 0 ) ? curMsg->msgSizeServer() : curMsg->msgSize(); jd.msgList.append( curMsg ); QCString cstr( curMsg->asString() ); int a = cstr.find("\nX-UID: "); int b = cstr.find('\n', a); if (a != -1 && b != -1 && cstr.find("\n\n") > a) cstr.remove(a, b-a); jd.data.resize( cstr.length() + cstr.contains( "\n" ) - cstr.contains( "\r\n" ) ); unsigned int i = 0; char prevChar = '\0'; // according to RFC 2060 we need CRLF for ( char *ch = cstr.data(); *ch; ch++ ) { if ( *ch == '\n' && (prevChar != '\r') ) { jd.data.at( i ) = '\r'; i++; } jd.data.at( i ) = *ch; prevChar = *ch; i++; } jd.progressItem = ProgressManager::createProgressItem( mParentProgressItem, "ImapJobUploading"+ProgressManager::getUniqueID(), i18n("Uploading message data"), QStyleSheet::escape( curMsg->subject() ), true, account->useSSL() || account->useTLS() ); jd.progressItem->setTotalItems( jd.total ); connect ( jd.progressItem, SIGNAL( progressItemCanceled( KPIM::ProgressItem*)), account, SLOT( slotAbortRequested( KPIM::ProgressItem* ) ) ); KIO::SimpleJob *job = KIO::put( url, 0, FALSE, FALSE, FALSE ); KIO::Scheduler::assignJobToSlave( account->slave(), job ); account->insertJob( job, jd ); connect( job, SIGNAL(result(KIO::Job *)), SLOT(slotPutMessageResult(KIO::Job *)) ); connect( job, SIGNAL(dataReq(KIO::Job *, QByteArray &)), SLOT(slotPutMessageDataReq(KIO::Job *, QByteArray &)) ); connect( job, SIGNAL(infoMessage(KIO::Job *, const QString &)), SLOT(slotPutMessageInfoData(KIO::Job *, const QString &)) ); connect( job, SIGNAL(processedSize(KIO::Job *, KIO::filesize_t)), SLOT(slotProcessedSize(KIO::Job *, KIO::filesize_t))); } } else if ( jt == tCopyMessage || jt == tMoveMessage ) { KURL url = account->getUrl(); KURL destUrl = account->getUrl(); destUrl.setPath(folder->imapPath()); KMFolderImap *imapDestFolder = static_cast<KMFolderImap*>(msg_parent->storage()); url.setPath( imapDestFolder->imapPath() + ";UID=" + sets ); ImapAccountBase::jobData jd; jd.parent = 0; jd.offset = 0; jd.total = 1; jd.done = 0; jd.msgList = msgList; QByteArray packedArgs; QDataStream stream( packedArgs, IO_WriteOnly ); stream << (int) 'C' << url << destUrl; jd.progressItem = ProgressManager::createProgressItem( mParentProgressItem, "ImapJobCopyMove"+ProgressManager::getUniqueID(), i18n("Server operation"), i18n("Source folder: %1 - Destination folder: %2") .arg( QStyleSheet::escape( msg_parent->prettyURL() ), QStyleSheet::escape( mDestFolder->prettyURL() ) ), true, account->useSSL() || account->useTLS() ); jd.progressItem->setTotalItems( jd.total ); connect ( jd.progressItem, SIGNAL(progressItemCanceled(KPIM::ProgressItem*)), account, SLOT( slotAbortRequested(KPIM::ProgressItem* ) ) ); KIO::SimpleJob *simpleJob = KIO::special( url, packedArgs, FALSE ); KIO::Scheduler::assignJobToSlave( account->slave(), simpleJob ); mJob = simpleJob; account->insertJob( mJob, jd ); connect( mJob, SIGNAL(result(KIO::Job *)), SLOT(slotCopyMessageResult(KIO::Job *)) ); if ( jt == tMoveMessage ) { connect( mJob, SIGNAL(infoMessage(KIO::Job *, const QString &)), SLOT(slotCopyMessageInfoData(KIO::Job *, const QString &)) ); } } else { slotGetNextMessage(); } } //----------------------------------------------------------------------------- ImapJob::~ImapJob() { if ( mDestFolder ) { KMAcctImap *account = static_cast<KMFolderImap*>(mDestFolder->storage())->account(); if ( account ) { if ( mJob ) { ImapAccountBase::JobIterator it = account->findJob( mJob ); if ( it != account->jobsEnd() ) { if( (*it).progressItem ) { (*it).progressItem->setComplete(); (*it).progressItem = 0; } if ( !(*it).msgList.isEmpty() ) { for ( QPtrListIterator<KMMessage> mit( (*it).msgList ); mit.current(); ++mit ) mit.current()->setTransferInProgress( false ); } } account->removeJob( mJob ); } account->mJobList.remove( this ); } mDestFolder->close("imapjobdest"); } if ( mSrcFolder ) { if (!mDestFolder || mDestFolder != mSrcFolder) { if (! (mSrcFolder->folderType() == KMFolderTypeImap) ) return; KMAcctImap *account = static_cast<KMFolderImap*>(mSrcFolder->storage())->account(); if ( account ) { if ( mJob ) { ImapAccountBase::JobIterator it = account->findJob( mJob ); if ( it != account->jobsEnd() ) { if( (*it).progressItem ) { (*it).progressItem->setComplete(); (*it).progressItem = 0; } if ( !(*it).msgList.isEmpty() ) { for ( QPtrListIterator<KMMessage> mit( (*it).msgList ); mit.current(); ++mit ) mit.current()->setTransferInProgress( false ); } } account->removeJob( mJob ); // remove the associated kio job } account->mJobList.remove( this ); // remove the folderjob } } mSrcFolder->close("imapjobsrc"); } } //----------------------------------------------------------------------------- void ImapJob::slotGetNextMessage() { KMMessage *msg = mMsgList.first(); KMFolderImap *msgParent = msg ? static_cast<KMFolderImap*>(msg->storage()) : 0; if ( !msgParent || !msg || msg->UID() == 0 ) { // broken message emit messageRetrieved( 0 ); deleteLater(); return; } KMAcctImap *account = msgParent->account(); KURL url = account->getUrl(); QString path = msgParent->imapPath() + ";UID=" + QString::number(msg->UID()); ImapAccountBase::jobData jd; jd.parent = 0; jd.offset = 0; jd.total = 1; jd.done = 0; jd.msgList.append( msg ); if ( !mPartSpecifier.isEmpty() ) { if ( mPartSpecifier.find ("STRUCTURE", 0, false) != -1 ) { path += ";SECTION=STRUCTURE"; } else if ( mPartSpecifier == "HEADER" ) { path += ";SECTION=HEADER"; } else { path += ";SECTION=BODY.PEEK[" + mPartSpecifier + "]"; DwBodyPart * part = msg->findDwBodyPart( msg->getFirstDwBodyPart(), mPartSpecifier ); if (part) jd.total = part->BodySize(); } } else { path += ";SECTION=BODY.PEEK[]"; if (msg->msgSizeServer() > 0) jd.total = msg->msgSizeServer(); } url.setPath( path ); // kdDebug(5006) << "ImapJob::slotGetNextMessage - retrieve " << url.path() << endl; // protect the message, otherwise we'll get crashes afterwards msg->setTransferInProgress( true ); jd.progressItem = ProgressManager::createProgressItem( mParentProgressItem, "ImapJobDownloading"+ProgressManager::getUniqueID(), i18n("Downloading message data"), i18n("Message with subject: ") + QStyleSheet::escape( msg->subject() ), true, account->useSSL() || account->useTLS() ); connect ( jd.progressItem, SIGNAL( progressItemCanceled( KPIM::ProgressItem*)), account, SLOT( slotAbortRequested( KPIM::ProgressItem* ) ) ); jd.progressItem->setTotalItems( jd.total ); KIO::SimpleJob *simpleJob = KIO::get( url, FALSE, FALSE ); KIO::Scheduler::assignJobToSlave( account->slave(), simpleJob ); mJob = simpleJob; account->insertJob( mJob, jd ); if ( mPartSpecifier.find( "STRUCTURE", 0, false ) != -1 ) { connect( mJob, SIGNAL(result(KIO::Job *)), this, SLOT(slotGetBodyStructureResult(KIO::Job *)) ); } else { connect( mJob, SIGNAL(result(KIO::Job *)), this, SLOT(slotGetMessageResult(KIO::Job *)) ); } connect( mJob, SIGNAL(data(KIO::Job *, const QByteArray &)), msgParent, SLOT(slotSimpleData(KIO::Job *, const QByteArray &)) ); if ( jd.total > 1 ) { connect(mJob, SIGNAL(processedSize(KIO::Job *, KIO::filesize_t)), this, SLOT(slotProcessedSize(KIO::Job *, KIO::filesize_t))); } } //----------------------------------------------------------------------------- void ImapJob::slotGetMessageResult( KIO::Job * job ) { KMMessage *msg = mMsgList.first(); if (!msg || !msg->parent() || !job) { emit messageRetrieved( 0 ); deleteLater(); return; } KMFolderImap* parent = static_cast<KMFolderImap*>(msg->storage()); if (msg->transferInProgress()) msg->setTransferInProgress( false ); KMAcctImap *account = parent->account(); if ( !account ) { emit messageRetrieved( 0 ); deleteLater(); return; } ImapAccountBase::JobIterator it = account->findJob( job ); if ( it == account->jobsEnd() ) return; bool gotData = true; if (job->error()) { QString errorStr = i18n( "Error while retrieving messages from the server." ); if ( (*it).progressItem ) (*it).progressItem->setStatus( errorStr ); account->handleJobError( job, errorStr ); return; } else { if ((*it).data.size() > 0) { kdDebug(5006) << "ImapJob::slotGetMessageResult - retrieved part " << mPartSpecifier << endl; if ( mPartSpecifier.isEmpty() || mPartSpecifier == "HEADER" ) { uint size = msg->msgSizeServer(); if ( size > 0 && mPartSpecifier.isEmpty() ) (*it).done = size; ulong uid = msg->UID(); // must set this first so that msg->fromByteArray sets the attachment status if ( mPartSpecifier.isEmpty() ) msg->setComplete( true ); else msg->setReadyToShow( false ); // Convert CR/LF to LF. size_t dataSize = (*it).data.size(); dataSize = Util::crlf2lf( (*it).data.data(), dataSize ); // always <= (*it).data.resize( dataSize ); // During the construction of the message from the byteArray it does // not have a uid. Therefore we have to make sure that no connected // slots are called, since they would operate on uid == 0. msg->parent()->storage()->blockSignals( true ); msg->fromByteArray( (*it).data ); // now let others react msg->parent()->storage()->blockSignals( false ); if ( size > 0 && msg->msgSizeServer() == 0 ) { msg->setMsgSizeServer(size); } // reconstruct the UID as it gets overwritten above msg->setUID(uid); } else { // Convert CR/LF to LF. size_t dataSize = (*it).data.size(); dataSize = Util::crlf2lf( (*it).data.data(), dataSize ); // always <= (*it).data.resize( dataSize ); // Update the body of the retrieved part (the message notifies all observers) msg->updateBodyPart( mPartSpecifier, (*it).data ); msg->setReadyToShow( true ); // Update the attachment state, we have to do this for every part as we actually // do not know if the message has no attachment or we simply did not load the header if (msg->attachmentState() != KMMsgHasAttachment) msg->updateAttachmentState(); } } else { kdDebug(5006) << "ImapJob::slotGetMessageResult - got no data for " << mPartSpecifier << endl; gotData = false; msg->setReadyToShow( true ); // nevertheless give visual feedback msg->notify(); } } if (account->slave()) { account->removeJob(it); account->mJobList.remove(this); } /* This needs to be emitted last, so the slots that are hooked to it * don't unGetMsg the msg before we have finished. */ if ( mPartSpecifier.isEmpty() || mPartSpecifier == "HEADER" ) { if ( gotData ) emit messageRetrieved(msg); else { /* we got an answer but not data * this means that the msg is not on the server anymore so delete it */ emit messageRetrieved( 0 ); parent->ignoreJobsForMessage( msg ); int idx = parent->find( msg ); if (idx != -1) parent->removeMsg( idx, true ); // the removeMsg will unGet the message, which will delete all // jobs, including this one return; } } else { emit messageUpdated(msg, mPartSpecifier); } deleteLater(); } //----------------------------------------------------------------------------- void ImapJob::slotGetBodyStructureResult( KIO::Job * job ) { KMMessage *msg = mMsgList.first(); if (!msg || !msg->parent() || !job) { deleteLater(); return; } KMFolderImap* parent = static_cast<KMFolderImap*>(msg->storage()); if (msg->transferInProgress()) msg->setTransferInProgress( false ); KMAcctImap *account = parent->account(); if ( !account ) { deleteLater(); return; } ImapAccountBase::JobIterator it = account->findJob( job ); if ( it == account->jobsEnd() ) return; if (job->error()) { account->handleJobError( job, i18n( "Error while retrieving information on the structure of a message." ) ); return; } else { if ((*it).data.size() > 0) { QDataStream stream( (*it).data, IO_ReadOnly ); account->handleBodyStructure(stream, msg, mAttachmentStrategy); } } if (account->slave()) { account->removeJob(it); account->mJobList.remove(this); } deleteLater(); } //----------------------------------------------------------------------------- void ImapJob::slotPutMessageDataReq( KIO::Job *job, QByteArray &data ) { KMAcctImap *account = static_cast<KMFolderImap*>(mDestFolder->storage())->account(); if ( !account ) { emit finished(); deleteLater(); return; } ImapAccountBase::JobIterator it = account->findJob( job ); if ( it == account->jobsEnd() ) return; if ((*it).data.size() - (*it).offset > 0x8000) { data.duplicate((*it).data.data() + (*it).offset, 0x8000); (*it).offset += 0x8000; } else if ((*it).data.size() - (*it).offset > 0) { data.duplicate((*it).data.data() + (*it).offset, (*it).data.size() - (*it).offset); (*it).offset = (*it).data.size(); } else data.resize(0); } //----------------------------------------------------------------------------- void ImapJob::slotPutMessageResult( KIO::Job *job ) { KMAcctImap *account = static_cast<KMFolderImap*>(mDestFolder->storage())->account(); if ( !account ) { emit finished(); deleteLater(); return; } ImapAccountBase::JobIterator it = account->findJob( job ); if ( it == account->jobsEnd() ) return; bool deleteMe = false; if (job->error()) { if ( (*it).progressItem ) (*it).progressItem->setStatus( i18n("Uploading message data failed.") ); account->handlePutError( job, *it, mDestFolder ); return; } else { if ( (*it).progressItem ) (*it).progressItem->setStatus( i18n("Uploading message data completed.") ); if ( mParentProgressItem ) { mParentProgressItem->incCompletedItems(); mParentProgressItem->updateProgress(); } KMMessage *msg = (*it).msgList.first(); emit messageStored( msg ); if ( msg == mMsgList.getLast() ) { emit messageCopied( mMsgList ); if (account->slave()) { account->mJobList.remove( this ); } deleteMe = true; } } if (account->slave()) { account->removeJob( it ); // also clears progressitem } if ( deleteMe ) deleteLater(); } //----------------------------------------------------------------------------- void ImapJob::slotCopyMessageInfoData(KIO::Job * job, const QString & data) { KMFolderImap * imapFolder = static_cast<KMFolderImap*>(mDestFolder->storage()); KMAcctImap *account = imapFolder->account(); if ( !account ) { emit finished(); deleteLater(); return; } ImapAccountBase::JobIterator it = account->findJob( job ); if ( it == account->jobsEnd() ) return; if (data.find("UID") != -1) { // split QString oldUid = data.section(' ', 1, 1); QString newUid = data.section(' ', 2, 2); // get lists of uids QValueList<ulong> olduids = KMFolderImap::splitSets(oldUid); QValueList<ulong> newuids = KMFolderImap::splitSets(newUid); int index = -1; KMMessage * msg; for ( msg = (*it).msgList.first(); msg; msg = (*it).msgList.next() ) { ulong uid = msg->UID(); index = olduids.findIndex(uid); if (index > -1) { // found, get the new uid imapFolder->saveMsgMetaData( msg, newuids[index] ); } } } } //---------------------------------------------------------------------------- void ImapJob::slotPutMessageInfoData(KIO::Job *job, const QString &data) { KMFolderImap * imapFolder = static_cast<KMFolderImap*>(mDestFolder->storage()); KMAcctImap *account = imapFolder->account(); if ( !account ) { emit finished(); deleteLater(); return; } ImapAccountBase::JobIterator it = account->findJob( job ); if ( it == account->jobsEnd() ) return; if ( data.find("UID") != -1 ) { ulong uid = ( data.right(data.length()-4) ).toInt(); if ( !(*it).msgList.isEmpty() ) { imapFolder->saveMsgMetaData( (*it).msgList.first(), uid ); } } } //----------------------------------------------------------------------------- void ImapJob::slotCopyMessageResult( KIO::Job *job ) { KMAcctImap *account = static_cast<KMFolderImap*>(mDestFolder->storage())->account(); if ( !account ) { emit finished(); deleteLater(); return; } ImapAccountBase::JobIterator it = account->findJob( job ); if ( it == account->jobsEnd() ) return; if (job->error()) { mErrorCode = job->error(); QString errStr = i18n("Error while copying messages."); if ( (*it).progressItem ) (*it).progressItem->setStatus( errStr ); account->handleJobError( job, errStr ); deleteLater(); return; } else { if ( !(*it).msgList.isEmpty() ) { emit messageCopied((*it).msgList); } else if (mMsgList.first()) { emit messageCopied(mMsgList.first()); } } if (account->slave()) { account->removeJob(it); account->mJobList.remove(this); } deleteLater(); } //----------------------------------------------------------------------------- void ImapJob::execute() { init( mType, mSets, mDestFolder? dynamic_cast<KMFolderImap*>( mDestFolder->storage() ):0, mMsgList ); } //----------------------------------------------------------------------------- void ImapJob::setParentFolder( const KMFolderImap* parent ) { mParentFolder = const_cast<KMFolderImap*>( parent ); } //----------------------------------------------------------------------------- void ImapJob::slotProcessedSize(KIO::Job * job, KIO::filesize_t processed) { KMMessage *msg = mMsgList.first(); if (!msg || !job) { return; } KMFolderImap* parent = 0; if ( msg->parent() && msg->parent()->folderType() == KMFolderTypeImap ) parent = static_cast<KMFolderImap*>(msg->parent()->storage()); else if (mDestFolder) // put parent = static_cast<KMFolderImap*>(mDestFolder->storage()); if (!parent) return; KMAcctImap *account = parent->account(); if ( !account ) return; ImapAccountBase::JobIterator it = account->findJob( job ); if ( it == account->jobsEnd() ) return; (*it).done = processed; if ( (*it).progressItem ) { (*it).progressItem->setCompletedItems( processed ); (*it).progressItem->updateProgress(); } emit progress( (*it).done, (*it).total ); } }//namespace KMail #include "imapjob.moc"

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