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/*
Copyright (c) 2016 Sandro Knauß <sknauss@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 "multipartencrypted.h"
#include "utils.h"
#include "objecttreeparser.h"
#include "messagepart.h"
#include <KMime/Content>
#include <QGpgME/Protocol>
#include "mimetreeparser_debug.h"
using namespace MimeTreeParser;
const MultiPartEncryptedBodyPartFormatter *MultiPartEncryptedBodyPartFormatter::self;
const Interface::BodyPartFormatter *MultiPartEncryptedBodyPartFormatter::create()
{
if (!self) {
self = new MultiPartEncryptedBodyPartFormatter();
}
return self;
}
Interface::BodyPartFormatter::Result MultiPartEncryptedBodyPartFormatter::format(Interface::BodyPart *part, HtmlWriter *writer) const
{
Q_UNUSED(writer)
const auto p = process(*part);
const auto mp = static_cast<MessagePart *>(p.data());
if (mp) {
mp->html(false);
return Ok;
}
return Failed;
}
Interface::MessagePart::Ptr MultiPartEncryptedBodyPartFormatter::process(Interface::BodyPart &part) const
{
KMime::Content *node = part.content();
if (node->contents().isEmpty()) {
Q_ASSERT(false);
return MessagePart::Ptr();
}
const QGpgME::Protocol *useThisCryptProto = nullptr;
/*
ATTENTION: This code is to be replaced by the new 'auto-detect' feature. --------------------------------------
*/
KMime::Content *data = findTypeInDirectChilds(node, "application/octet-stream");
if (data) {
useThisCryptProto = QGpgME::openpgp();
}
if (!data) {
data = findTypeInDirectChilds(node, "application/pkcs7-mime");
if (data) {
useThisCryptProto = QGpgME::smime();
}
}
/*
---------------------------------------------------------------------------------------------------------------
*/
if (!data) {
return MessagePart::Ptr(new MimeMessagePart(part.objectTreeParser(), node->contents().at(0), false));
}
part.nodeHelper()->setEncryptionState(node, KMMsgFullyEncrypted);
EncryptedMessagePart::Ptr mp(new EncryptedMessagePart(part.objectTreeParser(),
data->decodedText(), useThisCryptProto,
part.nodeHelper()->fromAsString(data), node));
mp->setIsEncrypted(true);
mp->setDecryptMessage(part.source()->decryptMessage());
PartMetaData *messagePart(mp->partMetaData());
if (!part.source()->decryptMessage()) {
part.nodeHelper()->setNodeProcessed(data, false); // Set the data node to done to prevent it from being processed
} else if (KMime::Content *newNode = part.nodeHelper()->decryptedNodeForContent(data)) {
// if we already have a decrypted node for part.objectTreeParser() encrypted node, don't do the decryption again
return MessagePart::Ptr(new MimeMessagePart(part.objectTreeParser(), newNode, true));
} else {
mp->startDecryption(data);
qCDebug(MIMETREEPARSER_LOG) << "decrypted, signed?:" << messagePart->isSigned;
if (!messagePart->inProgress) {
part.nodeHelper()->setNodeProcessed(data, false); // Set the data node to done to prevent it from being processed
}
}
return mp;
}
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