You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tdepim/korganizer/freebusymanager.cpp

588 lines
18 KiB

/*
This file is part of the Groupware/KOrganizer integration.
Requires the Qt and KDE widget libraries, available at no cost at
http://www.trolltech.com and http://www.kde.org respectively
Copyright (c) 2002-2004 Klar<EFBFBD>vdalens Datakonsult AB
<info@klaralvdalens-datakonsult.se>
Copyright (c) 2004 Cornelius Schumacher <schumacher@kde.org>
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.
This program 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.
*/
#include "freebusymanager.h"
#include "koprefs.h"
#include "mailscheduler.h"
#include <libkcal/incidencebase.h>
#include <libkcal/attendee.h>
#include <libkcal/freebusy.h>
#include <libkcal/journal.h>
#include <libkcal/calendarlocal.h>
#include <libkcal/icalformat.h>
#include <kio/job.h>
#include <kdebug.h>
#include <kmessagebox.h>
#include <ktempfile.h>
#include <kio/jobclasses.h>
#include <kio/netaccess.h>
#include <kio/scheduler.h>
#include <kapplication.h>
#include <kconfig.h>
#include <klocale.h>
#include <kstandarddirs.h>
#include <kabc/stdaddressbook.h>
#include <kabc/addressee.h>
#include <qfile.h>
#include <qbuffer.h>
#include <qregexp.h>
#include <qdir.h>
using namespace KCal;
FreeBusyDownloadJob::FreeBusyDownloadJob( const QString &email, const KURL &url,
FreeBusyManager *manager,
const char *name )
: QObject( manager, name ), mManager( manager ), mEmail( email )
{
KIO::TransferJob *job = KIO::get( url, false, false );
connect( job, SIGNAL( result( KIO::Job * ) ),
SLOT( slotResult( KIO::Job * ) ) );
connect( job, SIGNAL( data( KIO::Job *, const QByteArray & ) ),
SLOT( slotData( KIO::Job *, const QByteArray & ) ) );
KIO::Scheduler::scheduleJob( job );
}
FreeBusyDownloadJob::~FreeBusyDownloadJob()
{
}
void FreeBusyDownloadJob::slotData( KIO::Job *, const QByteArray &data )
{
QByteArray tmp = data;
tmp.resize( tmp.size() + 1 );
tmp[tmp.size()-1] = 0;
mFreeBusyData += tmp;
}
void FreeBusyDownloadJob::slotResult( KIO::Job *job )
{
kdDebug(5850) << "FreeBusyDownloadJob::slotResult() " << mEmail << endl;
if( job->error() ) {
kdDebug(5850) << "FreeBusyDownloadJob::slotResult() job error for " << mEmail << endl;
emit freeBusyDownloadError( mEmail );
} else {
FreeBusy *fb = mManager->iCalToFreeBusy( mFreeBusyData );
if ( fb ) {
Person p = fb->organizer();
p.setEmail( mEmail );
mManager->saveFreeBusy( fb, p );
}
emit freeBusyDownloaded( fb, mEmail );
}
deleteLater();
}
////
FreeBusyManager::FreeBusyManager( QObject *parent, const char *name )
: QObject( parent, name ),
mCalendar( 0 ), mTimerID( 0 ), mUploadingFreeBusy( false ),
mBrokenUrl( false )
{
}
void FreeBusyManager::setCalendar( KCal::Calendar *c )
{
mCalendar = c;
if ( mCalendar ) {
mFormat.setTimeZone( mCalendar->timeZoneId(), true );
}
}
KCal::FreeBusy *FreeBusyManager::ownerFreeBusy()
{
QDateTime start = QDateTime::currentDateTime();
QDateTime end = start.addDays( KOPrefs::instance()->mFreeBusyPublishDays );
FreeBusy *freebusy = new FreeBusy( mCalendar, start, end );
freebusy->setOrganizer( Person( KOPrefs::instance()->fullName(),
KOPrefs::instance()->email() ) );
return freebusy;
}
QString FreeBusyManager::ownerFreeBusyAsString()
{
FreeBusy *freebusy = ownerFreeBusy();
QString result = freeBusyToIcal( freebusy );
delete freebusy;
return result;
}
QString FreeBusyManager::freeBusyToIcal( KCal::FreeBusy *freebusy )
{
return mFormat.createScheduleMessage( freebusy, Scheduler::Publish );
}
void FreeBusyManager::slotPerhapsUploadFB()
{
// user has automatic uploading disabled, bail out
if ( !KOPrefs::instance()->freeBusyPublishAuto() ||
KOPrefs::instance()->freeBusyPublishUrl().isEmpty() )
return;
if( mTimerID != 0 )
// A timer is already running, so we don't need to do anything
return;
int now = static_cast<int>( QDateTime::currentDateTime().toTime_t() );
int eta = static_cast<int>( mNextUploadTime.toTime_t() ) - now;
if( !mUploadingFreeBusy ) {
// Not currently uploading
if( mNextUploadTime.isNull() ||
QDateTime::currentDateTime() > mNextUploadTime ) {
// No uploading have been done in this session, or delay time is over
publishFreeBusy();
return;
}
// We're in the delay time and no timer is running. Start one
if( eta <= 0 ) {
// Sanity check failed - better do the upload
publishFreeBusy();
return;
}
} else {
// We are currently uploading the FB list. Start the timer
if( eta <= 0 ) {
kdDebug(5850) << "This shouldn't happen! eta <= 0\n";
eta = 10; // whatever
}
}
// Start the timer
mTimerID = startTimer( eta * 1000 );
if( mTimerID == 0 )
// startTimer failed - better do the upload
publishFreeBusy();
}
// This is used for delayed Free/Busy list uploading
void FreeBusyManager::timerEvent( QTimerEvent* )
{
publishFreeBusy();
}
void FreeBusyManager::setBrokenUrl( bool isBroken )
{
mBrokenUrl = isBroken;
}
/*!
This method is called when the user has selected to publish its
free/busy list or when the delay have passed.
*/
void FreeBusyManager::publishFreeBusy()
{
// Already uploading? Skip this one then.
if ( mUploadingFreeBusy )
return;
KURL targetURL ( KOPrefs::instance()->freeBusyPublishUrl() );
if ( targetURL.isEmpty() ) {
KMessageBox::sorry( 0,
i18n( "<qt>No URL configured for uploading your free/busy list. Please "
"set it in KOrganizer's configuration dialog, on the \"Free/Busy\" page. "
"<br>Contact your system administrator for the exact URL and the "
"account details."
"</qt>" ), i18n("No Free/Busy Upload URL") );
return;
}
if ( mBrokenUrl ) // Url is invalid, don't try again
return;
if ( !targetURL.isValid() ) {
KMessageBox::sorry( 0,
i18n( "<qt>The target URL '%1' provided is invalid."
"</qt>" ).arg( targetURL.prettyURL() ), i18n("Invalid URL") );
mBrokenUrl = true;
return;
}
targetURL.setUser( KOPrefs::instance()->mFreeBusyPublishUser );
targetURL.setPass( KOPrefs::instance()->mFreeBusyPublishPassword );
mUploadingFreeBusy = true;
// If we have a timer running, it should be stopped now
if( mTimerID != 0 ) {
killTimer( mTimerID );
mTimerID = 0;
}
// Save the time of the next free/busy uploading
mNextUploadTime = QDateTime::currentDateTime();
if( KOPrefs::instance()->mFreeBusyPublishDelay > 0 )
mNextUploadTime = mNextUploadTime.addSecs(
KOPrefs::instance()->mFreeBusyPublishDelay * 60 );
QString messageText = ownerFreeBusyAsString();
// We need to massage the list a bit so that Outlook understands
// it.
messageText = messageText.replace( QRegExp( "ORGANIZER\\s*:MAILTO:" ),
"ORGANIZER:" );
// Create a local temp file and save the message to it
KTempFile tempFile;
QTextStream *textStream = tempFile.textStream();
if( textStream ) {
*textStream << messageText;
tempFile.close();
#if 0
QString defaultEmail = KOCore()::self()->email();
QString emailHost = defaultEmail.mid( defaultEmail.find( '@' ) + 1 );
// Put target string together
KURL targetURL;
if( KOPrefs::instance()->mPublishKolab ) {
// we use Kolab
QString server;
if( KOPrefs::instance()->mPublishKolabServer == "%SERVER%" ||
KOPrefs::instance()->mPublishKolabServer.isEmpty() )
server = emailHost;
else
server = KOPrefs::instance()->mPublishKolabServer;
targetURL.setProtocol( "webdavs" );
targetURL.setHost( server );
QString fbname = KOPrefs::instance()->mPublishUserName;
int at = fbname.find('@');
if( at > 1 && fbname.length() > (uint)at ) {
fbname = fbname.left(at);
}
targetURL.setPath( "/freebusy/" + fbname + ".ifb" );
targetURL.setUser( KOPrefs::instance()->mPublishUserName );
targetURL.setPass( KOPrefs::instance()->mPublishPassword );
} else {
// we use something else
targetURL = KOPrefs::instance()->mPublishAnyURL.replace( "%SERVER%",
emailHost );
targetURL.setUser( KOPrefs::instance()->mPublishUserName );
targetURL.setPass( KOPrefs::instance()->mPublishPassword );
}
#endif
KURL src;
src.setPath( tempFile.name() );
kdDebug(5850) << "FreeBusyManager::publishFreeBusy(): " << targetURL << endl;
KIO::Job * job = KIO::file_copy( src, targetURL, -1,
true /*overwrite*/,
false /*don't resume*/,
false /*don't show progress info*/ );
connect( job, SIGNAL( result( KIO::Job * ) ),
SLOT( slotUploadFreeBusyResult( KIO::Job * ) ) );
}
}
void FreeBusyManager::slotUploadFreeBusyResult(KIO::Job *_job)
{
KIO::FileCopyJob* job = static_cast<KIO::FileCopyJob *>(_job);
if ( job->error() )
KMessageBox::sorry( 0,
i18n( "<qt>The software could not upload your free/busy list to the "
"URL '%1'. There might be a problem with the access rights, or "
"you specified an incorrect URL. The system said: <em>%2</em>."
"<br>Please check the URL or contact your system administrator."
"</qt>" ).arg( job->destURL().prettyURL() )
.arg( job->errorString() ) );
// Delete temp file
KURL src = job->srcURL();
Q_ASSERT( src.isLocalFile() );
if( src.isLocalFile() )
QFile::remove(src.path());
mUploadingFreeBusy = false;
}
bool FreeBusyManager::retrieveFreeBusy( const QString &email, bool forceDownload )
{
kdDebug(5850) << "FreeBusyManager::retrieveFreeBusy(): " << email << endl;
if ( email.isEmpty() ) return false;
// Check for cached copy of free/busy list
KCal::FreeBusy *fb = loadFreeBusy( email );
if ( fb ) {
emit freeBusyRetrieved( fb, email );
}
// Don't download free/busy if the user does not want it.
if( !KOPrefs::instance()->mFreeBusyRetrieveAuto && !forceDownload) {
slotFreeBusyDownloadError( email ); // fblist
return false;
}
mRetrieveQueue.append( email );
if ( mRetrieveQueue.count() > 1 ) return true;
return processRetrieveQueue();
}
bool FreeBusyManager::processRetrieveQueue()
{
if ( mRetrieveQueue.isEmpty() ) return true;
QString email = mRetrieveQueue.first();
mRetrieveQueue.pop_front();
KURL sourceURL = freeBusyUrl( email );
kdDebug(5850) << "FreeBusyManager::processRetrieveQueue(): url: " << sourceURL
<< endl;
if ( !sourceURL.isValid() ) {
kdDebug(5850) << "Invalid FB URL\n";
slotFreeBusyDownloadError( email );
return false;
}
FreeBusyDownloadJob *job = new FreeBusyDownloadJob( email, sourceURL, this,
"freebusy_download_job" );
connect( job, SIGNAL( freeBusyDownloaded( KCal::FreeBusy *,
const QString & ) ),
SIGNAL( freeBusyRetrieved( KCal::FreeBusy *, const QString & ) ) );
connect( job, SIGNAL( freeBusyDownloaded( KCal::FreeBusy *,
const QString & ) ),
SLOT( processRetrieveQueue() ) );
connect( job, SIGNAL( freeBusyDownloadError( const QString& ) ),
this, SLOT( slotFreeBusyDownloadError( const QString& ) ) );
return true;
}
void FreeBusyManager::slotFreeBusyDownloadError( const QString& email )
{
if( KOPrefs::instance()->thatIsMe( email ) ) {
// We tried to download our own free-busy list from the net, but it failed
// so use local version instead.
// The reason we try to download even our own free-busy list is that
// this allows to avoid showing as busy the folders that are "fb relevant for nobody"
// like shared resources (meeting rooms etc.)
kdDebug(5850) << "freebusy of owner, falling back to local list" << endl;
emit freeBusyRetrieved( ownerFreeBusy(), email );
}
}
void FreeBusyManager::cancelRetrieval()
{
mRetrieveQueue.clear();
}
KURL FreeBusyManager::freeBusyUrl( const QString &email )
{
kdDebug(5850) << "FreeBusyManager::freeBusyUrl(): " << email << endl;
// First check if there is a specific FB url for this email
QString configFile = locateLocal( "data", "korganizer/freebusyurls" );
KConfig cfg( configFile );
cfg.setGroup( email );
QString url = cfg.readEntry( "url" );
if ( !url.isEmpty() ) {
kdDebug(5850) << "found cached url: " << url << endl;
return KURL( url );
}
// Try with the url configurated by preferred email in kaddressbook
KABC::Addressee::List list= KABC::StdAddressBook::self( true )->findByEmail( email );
KABC::Addressee::List::Iterator it;
QString pref;
for ( it = list.begin(); it != list.end(); ++it ) {
pref = (*it).preferredEmail();
if ( !pref.isEmpty() && pref != email ) {
kdDebug( 5850 ) << "FreeBusyManager::freeBusyUrl():" <<
"Preferred email of " << email << " is " << pref << endl;
cfg.setGroup( pref );
url = cfg.readEntry ( "url" );
if ( !url.isEmpty() ) {
kdDebug( 5850 ) << "FreeBusyManager::freeBusyUrl():" <<
"Taken url from preferred email:" << url << endl;
return KURL( url );
}
}
}
// None found. Check if we do automatic FB retrieving then
if ( !KOPrefs::instance()->mFreeBusyRetrieveAuto ) {
kdDebug( 5850 ) << "no auto retrieving" << endl;
// No, so no FB list here
return KURL();
}
// Sanity check: Don't download if it's not a correct email
// address (this also avoids downloading for "(empty email)").
int emailpos = email.find( '@' );
if( emailpos == -1 )
return KURL();
// Cut off everything left of the @ sign to get the user name.
const QString emailName = email.left( emailpos );
const QString emailHost = email.mid( emailpos + 1 );
// Build the URL
KURL sourceURL;
sourceURL = KOPrefs::instance()->mFreeBusyRetrieveUrl;
if ( KOPrefs::instance()->mFreeBusyCheckHostname ) {
// Don't try to fetch free/busy data for users not on the specified servers
// This tests if the hostnames match, or one is a subset of the other
const QString hostDomain = sourceURL.host();
if ( hostDomain != emailHost && !hostDomain.endsWith( '.' + emailHost )
&& !emailHost.endsWith( '.' + hostDomain ) ) {
// Host names do not match
kdDebug(5850) << "Host '" << sourceURL.host() << "' doesn't match email '"
<< email << '\'' << endl;
return KURL();
}
}
kdDebug(5850) << "Server FreeBusy url: " << sourceURL << endl;
if ( KOPrefs::instance()->mFreeBusyFullDomainRetrieval )
sourceURL.setFileName( email + ".ifb" );
else
sourceURL.setFileName( emailName + ".ifb" );
sourceURL.setUser( KOPrefs::instance()->mFreeBusyRetrieveUser );
sourceURL.setPass( KOPrefs::instance()->mFreeBusyRetrievePassword );
kdDebug(5850) << "Results in generated: " << sourceURL << endl;
return sourceURL;
}
KCal::FreeBusy *FreeBusyManager::iCalToFreeBusy( const QCString &data )
{
kdDebug(5850) << "FreeBusyManager::iCalToFreeBusy()" << endl;
kdDebug(5850) << data << endl;
QString freeBusyVCal = QString::fromUtf8( data );
KCal::FreeBusy *fb = mFormat.parseFreeBusy( freeBusyVCal );
if ( !fb ) {
kdDebug(5850) << "FreeBusyManager::iCalToFreeBusy(): Error parsing free/busy"
<< endl;
kdDebug(5850) << freeBusyVCal << endl;
}
return fb;
}
QString FreeBusyManager::freeBusyDir()
{
return locateLocal( "data", "korganizer/freebusy" );
}
FreeBusy *FreeBusyManager::loadFreeBusy( const QString &email )
{
kdDebug(5850) << "FreeBusyManager::loadFreeBusy(): " << email << endl;
QString fbd = freeBusyDir();
QFile f( fbd + "/" + email + ".ifb" );
if ( !f.exists() ) {
kdDebug(5850) << "FreeBusyManager::loadFreeBusy() " << f.name()
<< " doesn't exist." << endl;
return 0;
}
if ( !f.open( IO_ReadOnly ) ) {
kdDebug(5850) << "FreeBusyManager::loadFreeBusy() Unable to open file "
<< f.name() << endl;
return 0;
}
QTextStream ts( &f );
QString str = ts.read();
return iCalToFreeBusy( str.utf8() );
}
bool FreeBusyManager::saveFreeBusy( FreeBusy *freebusy, const Person &person )
{
kdDebug(5850) << "FreeBusyManager::saveFreeBusy(): " << person.fullName() << endl;
QString fbd = freeBusyDir();
QDir freeBusyDirectory( fbd );
if ( !freeBusyDirectory.exists() ) {
kdDebug(5850) << "Directory " << fbd << " does not exist!" << endl;
kdDebug(5850) << "Creating directory: " << fbd << endl;
if( !freeBusyDirectory.mkdir( fbd, true ) ) {
kdDebug(5850) << "Could not create directory: " << fbd << endl;
return false;
}
}
QString filename( fbd );
filename += "/";
filename += person.email();
filename += ".ifb";
QFile f( filename );
kdDebug(5850) << "FreeBusyManager::saveFreeBusy(): filename: " << filename
<< endl;
freebusy->clearAttendees();
freebusy->setOrganizer( person );
QString messageText = mFormat.createScheduleMessage( freebusy,
Scheduler::Publish );
if ( !f.open( IO_ReadWrite ) ) {
kdDebug(5850) << "acceptFreeBusy: Can't open:" << filename << " for writing"
<< endl;
return false;
}
QTextStream t( &f );
t << messageText;
f.close();
return true;
}
#include "freebusymanager.moc"