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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 "mailman.h"
#include "utils.h"
#include "objecttreeparser.h"
#include "messagepart.h"
#include <KMime/Content>
#include "mimetreeparser_debug.h"
using namespace MimeTreeParser;
const MailmanBodyPartFormatter *MailmanBodyPartFormatter::self;
const Interface::BodyPartFormatter *MailmanBodyPartFormatter::create()
{
if (!self) {
self = new MailmanBodyPartFormatter();
}
return self;
}
bool MailmanBodyPartFormatter::isMailmanMessage(KMime::Content *curNode) const
{
if (!curNode || curNode->head().isEmpty()) {
return false;
}
if (curNode->hasHeader("X-Mailman-Version")) {
return true;
}
if (KMime::Headers::Base *header = curNode->headerByType("X-Mailer")) {
if (header->asUnicodeString().contains(QStringLiteral("MAILMAN"), Qt::CaseInsensitive)) {
return true;
}
}
return false;
}
MessagePart::Ptr MailmanBodyPartFormatter::process(Interface::BodyPart &part) const
{
KMime::Content *curNode = part.content();
if (!isMailmanMessage(curNode)) {
return MessagePart::Ptr();
}
const QString str = QString::fromLatin1(curNode->decodedContent());
//###
const QLatin1String delim1("--__--__--\n\nMessage:");
const QLatin1String delim2("--__--__--\r\n\r\nMessage:");
const QLatin1String delimZ2("--__--__--\n\n_____________");
const QLatin1String delimZ1("--__--__--\r\n\r\n_____________");
QString partStr, digestHeaderStr;
int thisDelim = str.indexOf(delim1, Qt::CaseInsensitive);
if (thisDelim == -1) {
thisDelim = str.indexOf(delim2, Qt::CaseInsensitive);
}
if (thisDelim == -1) {
return MessagePart::Ptr();
}
int nextDelim = str.indexOf(delim1, thisDelim + 1, Qt::CaseInsensitive);
if (-1 == nextDelim) {
nextDelim = str.indexOf(delim2, thisDelim + 1, Qt::CaseInsensitive);
}
if (-1 == nextDelim) {
nextDelim = str.indexOf(delimZ1, thisDelim + 1, Qt::CaseInsensitive);
}
if (-1 == nextDelim) {
nextDelim = str.indexOf(delimZ2, thisDelim + 1, Qt::CaseInsensitive);
}
if (nextDelim < 0) {
return MessagePart::Ptr();
}
//if ( curNode->mRoot )
// curNode = curNode->mRoot;
// at least one message found: build a mime tree
digestHeaderStr = QStringLiteral("Content-Type: text/plain\nContent-Description: digest header\n\n");
digestHeaderStr += str.midRef(0, thisDelim);
MessagePartList::Ptr mpl(new MessagePartList(part.objectTreeParser()));
mpl->appendSubPart(createAndParseTempNode(part, part.topLevelContent(), digestHeaderStr.toLatin1().constData(), "Digest Header"));
//mReader->queueHtml("<br><hr><br>");
// temporarily change curent node's Content-Type
// to get our embedded RfC822 messages properly inserted
curNode->contentType()->setMimeType("multipart/digest");
while (-1 < nextDelim) {
int thisEoL = str.indexOf(QLatin1String("\nMessage:"), thisDelim, Qt::CaseInsensitive);
if (-1 < thisEoL) {
thisDelim = thisEoL + 1;
} else {
thisEoL = str.indexOf(QLatin1String("\n_____________"), thisDelim, Qt::CaseInsensitive);
if (-1 < thisEoL) {
thisDelim = thisEoL + 1;
}
}
thisEoL = str.indexOf(QLatin1Char('\n'), thisDelim);
if (-1 < thisEoL) {
thisDelim = thisEoL + 1;
} else {
thisDelim = thisDelim + 1;
}
//while( thisDelim < cstr.size() && '\n' == cstr[thisDelim] )
// ++thisDelim;
partStr = QStringLiteral("Content-Type: message/rfc822\nContent-Description: embedded message\n\n");
partStr += str.midRef(thisDelim, nextDelim - thisDelim);
QString subject = QStringLiteral("embedded message");
QString subSearch = QStringLiteral("\nSubject:");
int subPos = partStr.indexOf(subSearch, 0, Qt::CaseInsensitive);
if (-1 < subPos) {
subject = partStr.mid(subPos + subSearch.length());
thisEoL = subject.indexOf(QLatin1Char('\n'));
if (-1 < thisEoL) {
subject.truncate(thisEoL);
}
}
qCDebug(MIMETREEPARSER_LOG) << " embedded message found: \"" << subject;
mpl->appendSubPart(createAndParseTempNode(part, part.topLevelContent(), partStr.toLatin1().constData(), subject.toLatin1().constData()));
//mReader->queueHtml("<br><hr><br>");
thisDelim = nextDelim + 1;
nextDelim = str.indexOf(delim1, thisDelim, Qt::CaseInsensitive);
if (-1 == nextDelim) {
nextDelim = str.indexOf(delim2, thisDelim, Qt::CaseInsensitive);
}
if (-1 == nextDelim) {
nextDelim = str.indexOf(delimZ1, thisDelim, Qt::CaseInsensitive);
}
if (-1 == nextDelim) {
nextDelim = str.indexOf(delimZ2, thisDelim, Qt::CaseInsensitive);
}
}
// reset curent node's Content-Type
curNode->contentType()->setMimeType("text/plain");
int thisEoL = str.indexOf(QLatin1String("_____________"), thisDelim);
if (-1 < thisEoL) {
thisDelim = thisEoL;
thisEoL = str.indexOf(QLatin1Char('\n'), thisDelim);
if (-1 < thisEoL) {
thisDelim = thisEoL + 1;
}
} else {
thisDelim = thisDelim + 1;
}
partStr = QStringLiteral("Content-Type: text/plain\nContent-Description: digest footer\n\n");
partStr += str.midRef(thisDelim);
mpl->appendSubPart(createAndParseTempNode(part, part.topLevelContent(), partStr.toLatin1().constData(), "Digest Footer"));
return mpl;
}
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