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/*
Copyright (c) 2007 Till Adam <adam@kde.org>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#include "akonadi_serializer_mail.h"
#include <QtCore/qplugin.h>
#include <kdebug.h>
#include <kmime/kmime_message.h>
#include <boost/shared_ptr.hpp>
#include <akonadi/item.h>
#include <akonadi/kmime/messageparts.h>
#include <akonadi/private/imapparser_p.h>
using namespace Akonadi;
using namespace KMime;
QString StringPool::sharedValue( const QString &value )
{
QMutexLocker lock(&m_mutex);
QSet<QString>::const_iterator it = m_pool.constFind(value);
if ( it != m_pool.constEnd() )
return *it;
m_pool.insert(value);
return value;
}
template <typename T> static void parseAddrList( const QVarLengthArray<QByteArray, 16> &addrList, T *hdr,
int version, StringPool& pool )
{
hdr->clear();
const int count = addrList.count();
QVarLengthArray<QByteArray, 16> addr;
for ( int i = 0; i < count; ++i ) {
ImapParser::parseParenthesizedList( addrList[ i ], addr );
if ( addr.count() != 4 ) {
kWarning( 5264 ) << "Error parsing envelope address field: " << addrList[ i ];
continue;
}
KMime::Types::Mailbox addrField;
if ( version == 0 )
addrField.setNameFrom7Bit( addr[0] );
else if ( version == 1 )
addrField.setName( pool.sharedValue( QString::fromUtf8( addr[0] ) ) );
KMime::Types::AddrSpec addrSpec;
addrSpec.localPart = pool.sharedValue( QString::fromUtf8( addr[2] ) );
addrSpec.domain = pool.sharedValue( QString::fromUtf8( addr[3] ) );
addrField.setAddress( addrSpec );
hdr->addAddress( addrField );
}
}
bool SerializerPluginMail::deserialize( Item& item, const QByteArray& label, QIODevice& data, int version )
{
if ( label != MessagePart::Body && label != MessagePart::Envelope && label != MessagePart::Header )
return false;
KMime::Message::Ptr msg;
if ( !item.hasPayload() ) {
Message *m = new Message();
msg = KMime::Message::Ptr( m );
item.setPayload( msg );
} else {
msg = item.payload<KMime::Message::Ptr>();
}
QByteArray buffer = data.readAll();
if ( buffer.isEmpty() )
return true;
if ( label == MessagePart::Body ) {
msg->setContent( buffer );
msg->parse();
} else if ( label == MessagePart::Header ) {
if ( msg->body().isEmpty() && msg->contents().isEmpty() ) {
msg->setHead( buffer );
msg->parse();
}
} else if ( label == MessagePart::Envelope ) {
QVarLengthArray<QByteArray, 16> env;
ImapParser::parseParenthesizedList( buffer, env );
if ( env.count() < 10 ) {
kWarning( 5264 ) << "Akonadi KMime Deserializer: Got invalid envelope: " << buffer;
return false;
}
Q_ASSERT( env.count() >= 10 );
// date
msg->date()->from7BitString( env[0] );
// subject
msg->subject()->from7BitString( env[1] );
// from
QVarLengthArray<QByteArray, 16> addrList;
ImapParser::parseParenthesizedList( env[2], addrList );
if ( !addrList.isEmpty() )
parseAddrList( addrList, msg->from(), version, m_stringPool );
// sender
ImapParser::parseParenthesizedList( env[2], addrList );
if ( !addrList.isEmpty() )
parseAddrList( addrList, msg->sender(), version, m_stringPool );
// reply-to
ImapParser::parseParenthesizedList( env[4], addrList );
if ( !addrList.isEmpty() )
parseAddrList( addrList, msg->replyTo(), version, m_stringPool );
// to
ImapParser::parseParenthesizedList( env[5], addrList );
if ( !addrList.isEmpty() )
parseAddrList( addrList, msg->to(), version, m_stringPool );
// cc
ImapParser::parseParenthesizedList( env[6], addrList );
if ( !addrList.isEmpty() )
parseAddrList( addrList, msg->cc(), version, m_stringPool );
// bcc
ImapParser::parseParenthesizedList( env[7], addrList );
if ( !addrList.isEmpty() )
parseAddrList( addrList, msg->bcc(), version, m_stringPool );
// in-reply-to
msg->inReplyTo()->from7BitString( env[8] );
// message id
msg->messageID()->from7BitString( env[9] );
// references
if ( env.count() > 10 )
msg->references()->from7BitString( env[10] );
}
return true;
}
static QByteArray quoteImapListEntry( const QByteArray &b )
{
if ( b.isEmpty() )
return "NIL";
return ImapParser::quote( b );
}
static QByteArray buildImapList( const QList<QByteArray> &list )
{
if ( list.isEmpty() )
return "NIL";
return QByteArray( "(" ) + ImapParser::join( list, " " ) + QByteArray( ")" );
}
template <typename T> static QByteArray buildAddrStruct( T const *hdr )
{
QList<QByteArray> addrList;
KMime::Types::Mailbox::List mb = hdr->mailboxes();
foreach ( const KMime::Types::Mailbox &mbox, mb ) {
QList<QByteArray> addrStruct;
addrStruct << quoteImapListEntry( mbox.name().toUtf8() );
addrStruct << quoteImapListEntry( QByteArray() );
addrStruct << quoteImapListEntry( mbox.addrSpec().localPart.toUtf8() );
addrStruct << quoteImapListEntry( mbox.addrSpec().domain.toUtf8() );
addrList << buildImapList( addrStruct );
}
return buildImapList( addrList );
}
void SerializerPluginMail::serialize( const Item& item, const QByteArray& label, QIODevice& data, int &version )
{
version = 1;
boost::shared_ptr<Message> m = item.payload< boost::shared_ptr<Message> >();
if ( label == MessagePart::Body ) {
data.write( m->encodedContent() );
} else if ( label == MessagePart::Envelope ) {
QList<QByteArray> env;
env << quoteImapListEntry( m->date()->as7BitString( false ) );
env << quoteImapListEntry( m->subject()->as7BitString( false ) );
env << buildAddrStruct( m->from() );
env << buildAddrStruct( m->sender() );
env << buildAddrStruct( m->replyTo() );
env << buildAddrStruct( m->to() );
env << buildAddrStruct( m->cc() );
env << buildAddrStruct( m->bcc() );
env << quoteImapListEntry( m->inReplyTo()->as7BitString( false ) );
env << quoteImapListEntry( m->messageID()->as7BitString( false ) );
env << quoteImapListEntry( m->references()->as7BitString( false ) );
data.write( buildImapList( env ) );
} else if ( label == MessagePart::Header ) {
data.write( m->head() );
}
}
QSet<QByteArray> SerializerPluginMail::parts( const Item &item ) const
{
QSet<QByteArray> set;
if ( !item.hasPayload<KMime::Message::Ptr>() ) {
return set;
}
KMime::Message::Ptr msg = item.payload<KMime::Message::Ptr>();
if ( !msg ) {
return set;
}
// FIXME: we really want "has any header" here, but the kmime api doesn't offer that yet
if ( msg->hasContent() || msg->hasHeader( "Message-ID" ) ) {
set << MessagePart::Envelope << MessagePart::Header;
if ( !msg->body().isEmpty() || !msg->contents().isEmpty() ) {
set << MessagePart::Body;
}
}
return set;
}
Q_EXPORT_PLUGIN2( akonadi_serializer_mail, SerializerPluginMail )
#include "akonadi_serializer_mail.moc"
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