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/*
Copyright (c) 2009 Michael Leupold <lemma@confuego.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.
*/
#include "mdnadvicedialog.h"
#include <KMessageBox>
#include <QtCore/QPointer>
#include <KDebug>
#include <messagecomposer/messagefactory.h>
#include "kmkernel.h"
#include <messagecore/mdnstateattribute.h>
#include <messageviewer/kcursorsaver.h>
#include <boost/shared_ptr.hpp>
#include <messagehelpers.h>
#include <Akonadi/ItemModifyJob>
#include <objecttreeparser.h>
#include <Akonadi/ItemFetchJob>
using MessageComposer::MessageFactory;
MDNAdviceHelper* MDNAdviceHelper::s_instance = 0;
static const struct {
const char * dontAskAgainID;
bool canDeny;
const char * text;
} mdnMessageBoxes[] = {
{ "mdnNormalAsk", true,
I18N_NOOP("This message contains a request to return a notification "
"about your reception of the message.\n"
"You can either ignore the request or let KMail send a "
"\"denied\" or normal response.") },
{ "mdnUnknownOption", false,
I18N_NOOP("This message contains a request to send a notification "
"about your reception of the message.\n"
"It contains a processing instruction that is marked as "
"\"required\", but which is unknown to KMail.\n"
"You can either ignore the request or let KMail send a "
"\"failed\" response.") },
{ "mdnMultipleAddressesInReceiptTo", true,
I18N_NOOP("This message contains a request to send a notification "
"about your reception of the message,\n"
"but it is requested to send the notification to more "
"than one address.\n"
"You can either ignore the request or let KMail send a "
"\"denied\" or normal response.") },
{ "mdnReturnPathEmpty", true,
I18N_NOOP("This message contains a request to send a notification "
"about your reception of the message,\n"
"but there is no return-path set.\n"
"You can either ignore the request or let KMail send a "
"\"denied\" or normal response.") },
{ "mdnReturnPathNotInReceiptTo", true,
I18N_NOOP("This message contains a request to send a notification "
"about your reception of the message,\n"
"but the return-path address differs from the address "
"the notification was requested to be sent to.\n"
"You can either ignore the request or let KMail send a "
"\"denied\" or normal response.") },
};
static const int numMdnMessageBoxes
= sizeof mdnMessageBoxes / sizeof *mdnMessageBoxes;
MDNAdviceDialog::MDNAdviceDialog( const QString &text, bool canDeny, QWidget *parent )
: KDialog( parent ), m_result(MessageComposer::MDNIgnore)
{
setCaption( i18n( "Message Disposition Notification Request" ) );
if ( canDeny ) {
setButtons( KDialog::Yes | KDialog::User1 | KDialog::User2 );
setButtonText( KDialog::User2, i18n("Send \"&denied\"") );
} else {
setButtons( KDialog::Yes | KDialog::User1 );
}
setButtonText( KDialog::Yes, i18n("&Ignore") );
setButtonText( KDialog::User1, i18n("&Send") );
setEscapeButton( KDialog::Yes );
KMessageBox::createKMessageBox( this, QMessageBox::Question, text,
QStringList(), QString(), 0, KMessageBox::NoExec );
}
MDNAdviceDialog::~MDNAdviceDialog()
{
}
MessageComposer::MDNAdvice MDNAdviceDialog::result()
{
return m_result;
}
MessageComposer::MDNAdvice MDNAdviceHelper::questionIgnoreSend( const QString &text, bool canDeny )
{
MessageComposer::MDNAdvice rc = MessageComposer::MDNIgnore;
QPointer<MDNAdviceDialog> dlg( new MDNAdviceDialog( text, canDeny ) );
dlg->exec();
if ( dlg ) {
rc = dlg->result();
}
delete dlg;
return rc;
}
QPair< bool, KMime::MDN::SendingMode > MDNAdviceHelper::checkAndSetMDNInfo( Akonadi::Item item, KMime::MDN::DispositionType d )
{
KMime::Message::Ptr msg = MessageCore::Util::message( item );
KConfigGroup mdnConfig( KMKernel::config(), "MDN" );
// RFC 2298: At most one MDN may be issued on behalf of each
// particular recipient by their user agent. That is, once an MDN
// has been issued on behalf of a recipient, no further MDNs may be
// issued on behalf of that recipient, even if another disposition
// is performed on the message.
if( item.hasAttribute< Akonadi::MDNStateAttribute >() &&
item.attribute< Akonadi::MDNStateAttribute >()->mdnState() != Akonadi::MDNStateAttribute::MDNStateUnknown ) {
// if already dealt with, don't do it again.
return QPair< bool, KMime::MDN::SendingMode >( false, KMime::MDN::SentAutomatically );
}
Akonadi::MDNStateAttribute mdnStateAttr( Akonadi::MDNStateAttribute::MDNStateUnknown );
KMime::MDN::SendingMode s = KMime::MDN::SentAutomatically; // set to manual if asked user
bool doSend = false;
// default:
int mode = mdnConfig.readEntry( "default-policy", 0 );
if ( !mode || mode < 0 || mode > 3 ) {
// early out for ignore:
mdnStateAttr.setMDNState( Akonadi::MDNStateAttribute::MDNIgnore );
s = KMime::MDN::SentManually;
} else {
if( MessageFactory::MDNMDNUnknownOption( msg ) ) {
mode = requestAdviceOnMDN( "mdnUnknownOption" );
s = KMime::MDN::SentManually;
// TODO set type to Failed as well
// and clear modifiers
}
if( MessageFactory::MDNConfirmMultipleRecipients( msg ) ) {
mode = requestAdviceOnMDN( "mdnMultipleAddressesInReceiptTo" );
s = KMime::MDN::SentManually;
}
if( MessageFactory::MDNReturnPathEmpty( msg ) ) {
mode = requestAdviceOnMDN( "mdnReturnPathEmpty" );
s = KMime::MDN::SentManually;
}
if( MessageFactory::MDNReturnPathNotInRecieptTo( msg ) ) {
mode = requestAdviceOnMDN( "mdnReturnPathNotInReceiptTo" );
s = KMime::MDN::SentManually;
}
if( MessageFactory::MDNRequested( msg ) ) {;
if( s != KMime::MDN::SentManually ) { // don't ask again if user has already been asked. use the users' decision
mode = requestAdviceOnMDN( "mdnNormalAsk" );
s = KMime::MDN::SentManually; // asked user
}
} else { // if message doesn't have a disposition header, never send anything.
mode = 0;
}
}
// RFC 2298: An MDN MUST NOT be generated in response to an MDN.
if ( MessageViewer::ObjectTreeParser::findType( msg.get(), "message", "disposition-notification", true, true ) ) {
mdnStateAttr.setMDNState( Akonadi::MDNStateAttribute::MDNIgnore );
} else if( mode == 0 ) { // ignore
doSend = false;
mdnStateAttr.setMDNState( Akonadi::MDNStateAttribute::MDNIgnore );
} else if( mode == 2 ) { // denied
doSend = true;
mdnStateAttr.setMDNState( Akonadi::MDNStateAttribute::MDNDenied );
} else if( mode == 3 ) { // the user wants to send. let's make sure we can, according to the RFC.
doSend = true;
mdnStateAttr.setMDNState( dispositionToSentState( d ) );
}
Akonadi::ItemFetchJob* updateJob = new Akonadi::ItemFetchJob( item );
updateJob->setProperty( "mdnState", mdnStateAttr.serialized() );
QObject::connect( updateJob, SIGNAL(itemsReceived(Akonadi::Item::List)), this, SLOT(itemsReceived(Akonadi::Item::List)));
return QPair< bool, KMime::MDN::SendingMode >( doSend, s);
}
void MDNAdviceHelper::itemsReceived( Akonadi::Item::List items )
{
Akonadi::MDNStateAttribute* attr = new Akonadi::MDNStateAttribute( sender()->property( "mdnState" ).toByteArray() );
Q_ASSERT( items.size() == 1 );
Akonadi::Item item = items[ 0 ];
item.addAttribute( attr );
Akonadi::ItemModifyJob* modify = new Akonadi::ItemModifyJob( item );
modify->setIgnorePayload( true );
}
Akonadi::MDNStateAttribute::MDNSentState MDNAdviceHelper::dispositionToSentState(KMime::MDN::DispositionType d)
{
switch ( d ) {
case KMime::MDN::Displayed: return Akonadi::MDNStateAttribute::MDNDisplayed;
case KMime::MDN::Deleted: return Akonadi::MDNStateAttribute::MDNDeleted;
case KMime::MDN::Dispatched: return Akonadi::MDNStateAttribute::MDNDispatched;
case KMime::MDN::Processed: return Akonadi::MDNStateAttribute::MDNProcessed;
case KMime::MDN::Denied: return Akonadi::MDNStateAttribute::MDNDenied;
case KMime::MDN::Failed: return Akonadi::MDNStateAttribute::MDNFailed;
default:
return Akonadi::MDNStateAttribute::MDNStateUnknown;
};
}
int MDNAdviceHelper::requestAdviceOnMDN(const char* what)
{
for ( int i = 0 ; i < numMdnMessageBoxes ; ++i )
if ( !qstrcmp( what, mdnMessageBoxes[i].dontAskAgainID ) ) {
const MessageViewer::KCursorSaver saver( Qt::ArrowCursor );
MessageComposer::MDNAdvice answer;
answer = questionIgnoreSend( mdnMessageBoxes[i].text,
mdnMessageBoxes[i].canDeny );
switch ( answer ) {
case MessageComposer::MDNSend:
return 3;
case MessageComposer::MDNSendDenied:
return 2;
// don't use 1, as that's used for 'default ask" in checkMDNHeaders
default:
case MessageComposer::MDNIgnore:
return 0;
}
}
kWarning() << "didn't find data for message box \"" << what << "\"";
return MessageComposer::MDNIgnore;
}
void MDNAdviceDialog::slotButtonClicked( int button )
{
switch ( button ) {
case KDialog::User1:
m_result = MessageComposer::MDNSend;
accept();
break;
case KDialog::User2:
m_result = MessageComposer::MDNSendDenied;
accept();
break;
case KDialog::Yes:
default:
m_result = MessageComposer::MDNIgnore;
accept();
break;
}
reject();
}
#include "mdnadvicedialog.moc"