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2476 lines
97 KiB
2476 lines
97 KiB
/* -*- mode: C++; c-file-style: "gnu" -*- |
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objecttreeparser.cpp |
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|
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This file is part of KMail, the KDE mail client. |
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Copyright (c) 2002-2004 Klarälvdalens Datakonsult AB |
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Copyright (c) 2003 Marc Mutz <mutz@kde.org> |
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|
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KMail is free software; you can redistribute it and/or modify it |
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under the terms of the GNU General Public License, version 2, as |
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published by the Free Software Foundation. |
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|
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KMail is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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|
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In addition, as a special exception, the copyright holders give |
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permission to link the code of this program with any edition of |
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the Qt library by Trolltech AS, Norway (or with modified versions |
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of Qt that use the same license as Qt), and distribute linked |
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combinations including the two. You must obey the GNU General |
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Public License in all respects for all of the code used other than |
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Qt. If you modify this file, you may extend this exception to |
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your version of the file, but you are not obligated to do so. If |
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you do not wish to do so, delete this exception statement from |
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your version. |
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*/ |
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|
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#include <config.h> |
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|
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// my header file |
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#include "objecttreeparser.h" |
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|
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// other KMail headers |
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#include "kmreaderwin.h" |
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#include "partNode.h" |
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#include "kmkernel.h" |
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#include <libkdepim/kfileio.h> |
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#include <libkdepim/email.h> |
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#include "partmetadata.h" |
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#include "attachmentstrategy.h" |
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#include "interfaces/htmlwriter.h" |
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#include "htmlstatusbar.h" |
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#include "csshelper.h" |
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#include "bodypartformatter.h" |
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#include "bodypartformatterfactory.h" |
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#include "partnodebodypart.h" |
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#include "interfaces/bodypartformatter.h" |
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|
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#include "cryptplugwrapperlist.h" |
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#include "cryptplugfactory.h" |
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|
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// other module headers |
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#include <mimelib/enum.h> |
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#include <mimelib/bodypart.h> |
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#include <mimelib/string.h> |
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#include <mimelib/text.h> |
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|
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#include <gpgmepp/importresult.h> |
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|
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#include <kpgpblock.h> |
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#include <kpgp.h> |
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#include <linklocator.h> |
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|
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// other KDE headers |
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#include <kdebug.h> |
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#include <klocale.h> |
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#include <kglobal.h> |
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#include <khtml_part.h> |
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#include <ktempfile.h> |
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#include <kstandarddirs.h> |
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#include <kapplication.h> |
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#include <kmessagebox.h> |
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|
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// other Qt headers |
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#include <qtextcodec.h> |
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#include <qfile.h> |
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#include <qapplication.h> |
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|
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// other headers |
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#include <sys/stat.h> |
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#include <sys/types.h> |
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#include <unistd.h> |
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|
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|
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namespace KMail { |
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|
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// A small class that eases temporary CryptPlugWrapper changes: |
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class ObjectTreeParser::CryptPlugWrapperSaver { |
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ObjectTreeParser * otp; |
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CryptPlugWrapper * wrapper; |
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public: |
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CryptPlugWrapperSaver( ObjectTreeParser * _otp, CryptPlugWrapper * _w ) |
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: otp( _otp ), wrapper( _otp ? _otp->cryptPlugWrapper() : 0 ) |
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{ |
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if ( otp ) |
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otp->setCryptPlugWrapper( _w ); |
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} |
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|
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~CryptPlugWrapperSaver() { |
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if ( otp ) |
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otp->setCryptPlugWrapper( wrapper ); |
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} |
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}; |
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ObjectTreeParser::ObjectTreeParser( KMReaderWin * reader, CryptPlugWrapper * wrapper, |
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bool showOnlyOneMimePart, bool keepEncryptions, |
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bool includeSignatures, |
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const AttachmentStrategy * strategy, |
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HtmlWriter * htmlWriter, |
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CSSHelper * cssHelper ) |
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: mReader( reader ), |
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mCryptPlugWrapper( wrapper ), |
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mShowOnlyOneMimePart( showOnlyOneMimePart ), |
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mKeepEncryptions( keepEncryptions ), |
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mIncludeSignatures( includeSignatures ), |
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mAttachmentStrategy( strategy ), |
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mHtmlWriter( htmlWriter ), |
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mCSSHelper( cssHelper ) |
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{ |
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if ( !attachmentStrategy() ) |
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mAttachmentStrategy = reader ? reader->attachmentStrategy() |
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: AttachmentStrategy::smart(); |
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if ( reader && !this->htmlWriter() ) |
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mHtmlWriter = reader->htmlWriter(); |
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if ( reader && !this->cssHelper() ) |
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mCSSHelper = reader->mCSSHelper; |
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} |
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|
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ObjectTreeParser::ObjectTreeParser( const ObjectTreeParser & other ) |
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: mReader( other.mReader ), |
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mCryptPlugWrapper( other.cryptPlugWrapper() ), |
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mShowOnlyOneMimePart( other.showOnlyOneMimePart() ), |
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mKeepEncryptions( other.keepEncryptions() ), |
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mIncludeSignatures( other.includeSignatures() ), |
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mAttachmentStrategy( other.attachmentStrategy() ), |
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mHtmlWriter( other.htmlWriter() ), |
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mCSSHelper( other.cssHelper() ) |
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{ |
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|
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} |
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|
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ObjectTreeParser::~ObjectTreeParser() {} |
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|
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void ObjectTreeParser::insertAndParseNewChildNode( partNode& startNode, |
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const char* content, |
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const char* cntDesc, |
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bool append ) |
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{ |
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// DwBodyPart* myBody = new DwBodyPart( DwString( content ), node.dwPart() ); |
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DwBodyPart* myBody = new DwBodyPart( DwString( content ), 0 ); |
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myBody->Parse(); |
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|
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if ( myBody->hasHeaders() ) { |
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DwText& desc = myBody->Headers().ContentDescription(); |
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desc.FromString( cntDesc ); |
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desc.SetModified(); |
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//desc.Assemble(); |
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myBody->Headers().Parse(); |
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} |
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|
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if ( ( !myBody->Body().FirstBodyPart() || |
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myBody->Body().AsString().length() == 0 ) && |
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startNode.dwPart() && |
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startNode.dwPart()->Body().Message() && |
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startNode.dwPart()->Body().Message()->Body().FirstBodyPart() ) |
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{ |
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// if encapsulated imap messages are loaded the content-string is not complete |
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// so we need to keep the child dwparts by copying them to the new dwpart |
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kdDebug(5006) << "copy parts" << endl; |
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myBody->Body().AddBodyPart( |
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startNode.dwPart()->Body().Message()->Body().FirstBodyPart() ); |
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myBody->Body().FromString( |
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startNode.dwPart()->Body().Message()->Body().FirstBodyPart()->Body().AsString() ); |
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} |
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|
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partNode* parentNode = &startNode; |
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partNode* newNode = new partNode(false, myBody); |
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if ( append && parentNode->firstChild() ) { |
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parentNode = parentNode->firstChild(); |
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while( parentNode->nextSibling() ) |
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parentNode = parentNode->nextSibling(); |
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parentNode->setNext( newNode ); |
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} else |
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parentNode->setFirstChild( newNode ); |
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|
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newNode->buildObjectTree( false ); |
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|
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if ( startNode.mimePartTreeItem() ) { |
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kdDebug(5006) << "\n -----> Inserting items into MimePartTree\n" << endl; |
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newNode->fillMimePartTree( startNode.mimePartTreeItem(), 0, |
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QString::null, QString::null, QString::null, 0, |
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append ); |
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kdDebug(5006) << "\n <----- Finished inserting items into MimePartTree\n" << endl; |
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} else { |
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kdDebug(5006) << "\n ------ Sorry, node.mimePartTreeItem() returns ZERO so" |
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<< "\n we cannot insert new lines into MimePartTree. :-(\n" << endl; |
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} |
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kdDebug(5006) << "\n -----> Now parsing the MimePartTree\n" << endl; |
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ObjectTreeParser otp( mReader, cryptPlugWrapper() ); |
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otp.parseObjectTree( newNode ); |
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mRawReplyString += otp.rawReplyString(); |
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mTextualContent += otp.textualContent(); |
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if ( !otp.textualContentCharset().isEmpty() ) |
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mTextualContentCharset = otp.textualContentCharset(); |
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kdDebug(5006) << "\n <----- Finished parsing the MimePartTree in insertAndParseNewChildNode()\n" << endl; |
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} |
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|
|
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//----------------------------------------------------------------------------- |
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|
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void ObjectTreeParser::parseObjectTree( partNode * node ) { |
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kdDebug(5006) << "ObjectTreeParser::parseObjectTree( " |
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<< (node ? "node OK, " : "no node, ") |
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<< "showOnlyOneMimePart: " << (showOnlyOneMimePart() ? "TRUE" : "FALSE") |
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<< " )" << endl; |
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|
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if ( !node ) |
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return; |
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|
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// reset "processed" flags for... |
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if ( showOnlyOneMimePart() ) { |
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// ... this node and all descendants |
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node->setProcessed( false, false ); |
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if ( partNode * child = node->firstChild() ) |
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child->setProcessed( false, true ); |
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} else if ( mReader && !node->parentNode() ) { |
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// ...this node and all it's siblings and descendants |
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node->setProcessed( false, true ); |
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} |
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|
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for ( ; node ; node = node->nextSibling() ) { |
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if ( node->processed() ) |
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continue; |
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ProcessResult processResult; |
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|
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if ( const Interface::BodyPartFormatter * formatter |
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= BodyPartFormatterFactory::instance()->createFor( node->typeString(), node->subTypeString() ) ) { |
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PartNodeBodyPart part( *node, codecFor( node ) ); |
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const Interface::BodyPartFormatter::Result result = formatter->format( &part, htmlWriter() ); |
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if ( mReader && node->bodyPartMemento() ) |
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if ( Interface::Observable * obs = node->bodyPartMemento()->asObservable() ) |
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obs->attach( mReader ); |
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switch ( result ) { |
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case Interface::BodyPartFormatter::AsIcon: |
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processResult.setNeverDisplayInline( true ); |
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// fall through: |
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case Interface::BodyPartFormatter::Failed: |
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defaultHandling( node, processResult ); |
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break; |
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case Interface::BodyPartFormatter::Ok: |
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case Interface::BodyPartFormatter::NeedContent: |
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// FIXME: incomplete content handling |
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; |
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} |
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} else { |
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const BodyPartFormatter * bpf |
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= BodyPartFormatter::createFor( node->type(), node->subType() ); |
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kdFatal( !bpf, 5006 ) << "THIS SHOULD NO LONGER HAPPEN (" |
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<< node->typeString() << '/' << node->subTypeString() |
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<< ')' << endl; |
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|
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if ( !bpf->process( this, node, processResult ) ) |
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defaultHandling( node, processResult ); |
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} |
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node->setProcessed( true, false ); |
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|
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// adjust signed/encrypted flags if inline PGP was found |
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processResult.adjustCryptoStatesOfNode( node ); |
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|
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if ( showOnlyOneMimePart() ) |
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break; |
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} |
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} |
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|
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void ObjectTreeParser::defaultHandling( partNode * node, ProcessResult & result ) { |
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// ### (mmutz) default handling should go into the respective |
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// ### bodypartformatters. |
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if ( !mReader ) |
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return; |
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if ( attachmentStrategy() == AttachmentStrategy::hidden() && |
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!showOnlyOneMimePart() && |
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node->parentNode() /* message is not an attachment */ ) |
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return; |
|
|
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bool asIcon = true; |
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if ( showOnlyOneMimePart() ) |
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// ### (mmutz) this is wrong! If I click on an image part, I |
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// want the equivalent of "view...", except for the extra |
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// window! |
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asIcon = !node->hasContentDispositionInline(); |
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else if ( !result.neverDisplayInline() ) |
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if ( const AttachmentStrategy * as = attachmentStrategy() ) |
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asIcon = as->defaultDisplay( node ) == AttachmentStrategy::AsIcon; |
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// neither image nor text -> show as icon |
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if ( !result.isImage() |
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&& node->type() != DwMime::kTypeText ) |
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asIcon = true; |
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if ( asIcon ) { |
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if ( attachmentStrategy() != AttachmentStrategy::hidden() |
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|| showOnlyOneMimePart() ) |
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writePartIcon( &node->msgPart(), node->nodeId() ); |
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} else if ( result.isImage() ) |
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writePartIcon( &node->msgPart(), node->nodeId(), true ); |
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else |
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writeBodyString( node->msgPart().bodyDecoded(), |
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node->trueFromAddress(), |
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codecFor( node ), result ); |
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// end of ### |
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} |
|
|
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void ProcessResult::adjustCryptoStatesOfNode( partNode * node ) const { |
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if ( ( inlineSignatureState() != KMMsgNotSigned ) || |
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( inlineEncryptionState() != KMMsgNotEncrypted ) ) { |
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node->setSignatureState( inlineSignatureState() ); |
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node->setEncryptionState( inlineEncryptionState() ); |
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} |
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} |
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|
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////////////////// |
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////////////////// |
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////////////////// |
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|
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bool ObjectTreeParser::writeOpaqueOrMultipartSignedData( partNode* data, |
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partNode& sign, |
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const QString& fromAddress, |
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bool doCheck, |
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QCString* cleartextData, |
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CryptPlug::SignatureMetaData* paramSigMeta, |
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bool hideErrors ) |
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{ |
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bool bIsOpaqueSigned = false; |
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enum { NO_PLUGIN, NOT_INITIALIZED, CANT_VERIFY_SIGNATURES } |
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cryptPlugError = NO_PLUGIN; |
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|
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CryptPlugWrapper* cryptPlug = cryptPlugWrapper(); |
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if ( !cryptPlug ) |
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cryptPlug = CryptPlugFactory::instance()->active(); |
|
|
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QString cryptPlugLibName; |
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QString cryptPlugDisplayName; |
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if ( cryptPlug ) { |
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cryptPlugLibName = cryptPlug->libName(); |
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if ( cryptPlug == CryptPlugFactory::instance()->openpgp() ) |
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cryptPlugDisplayName = "OpenPGP"; |
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else if ( cryptPlug == CryptPlugFactory::instance()->smime() ) |
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cryptPlugDisplayName = "S/MIME"; |
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} |
|
|
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#ifndef NDEBUG |
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if ( !doCheck ) |
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kdDebug(5006) << "ObjectTreeParser::writeOpaqueOrMultipartSignedData: showing OpenPGP (Encrypted+Signed) data" << endl; |
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else |
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if ( data ) |
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kdDebug(5006) << "ObjectTreeParser::writeOpaqueOrMultipartSignedData: processing Multipart Signed data" << endl; |
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else |
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kdDebug(5006) << "ObjectTreeParser::writeOpaqueOrMultipartSignedData: processing Opaque Signed data" << endl; |
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#endif |
|
|
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if ( doCheck && cryptPlug ) { |
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kdDebug(5006) << "ObjectTreeParser::writeOpaqueOrMultipartSignedData: going to call CRYPTPLUG " |
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<< cryptPlugLibName << endl; |
|
|
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// check whether the crypto plug-in is usable |
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if ( cryptPlug->initStatus( 0 ) != CryptPlugWrapper::InitStatus_Ok ) { |
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cryptPlugError = NOT_INITIALIZED; |
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cryptPlug = 0; |
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} |
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else if ( !cryptPlug->hasFeature( Feature_VerifySignatures ) ) { |
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cryptPlugError = CANT_VERIFY_SIGNATURES; |
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cryptPlug = 0; |
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} |
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} |
|
|
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QCString cleartext; |
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char* new_cleartext = 0; |
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QByteArray signaturetext; |
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bool signatureIsBinary = false; |
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int signatureLen = 0; |
|
|
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if ( doCheck && cryptPlug ) { |
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if ( data ) { |
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cleartext = data->dwPart()->AsString().c_str(); |
|
|
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dumpToFile( "dat_01_reader_signedtext_before_canonicalization", |
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cleartext.data(), cleartext.length() ); |
|
|
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// replace simple LFs by CRLSs |
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// according to RfC 2633, 3.1.1 Canonicalization |
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kdDebug(5006) << "Converting LF to CRLF (see RfC 2633, 3.1.1 Canonicalization)" << endl; |
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cleartext = KMMessage::lf2crlf( cleartext ); |
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kdDebug(5006) << " done." << endl; |
|
} |
|
|
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dumpToFile( "dat_02_reader_signedtext_after_canonicalization", |
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cleartext.data(), cleartext.length() ); |
|
|
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signaturetext = sign.msgPart().bodyDecodedBinary(); |
|
QCString signatureStr( signaturetext, signaturetext.size() + 1 ); |
|
signatureIsBinary = (-1 == signatureStr.find("BEGIN SIGNED MESSAGE", 0, false) ) && |
|
(-1 == signatureStr.find("BEGIN PGP SIGNED MESSAGE", 0, false) ) && |
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(-1 == signatureStr.find("BEGIN PGP MESSAGE", 0, false) ); |
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signatureLen = signaturetext.size(); |
|
|
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dumpToFile( "dat_03_reader.sig", signaturetext.data(), |
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signaturetext.size() ); |
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} |
|
|
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CryptPlug::SignatureMetaData localSigMeta; |
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if ( doCheck ){ |
|
localSigMeta.status = 0; |
|
localSigMeta.extended_info = 0; |
|
localSigMeta.extended_info_count = 0; |
|
} |
|
CryptPlug::SignatureMetaData* sigMeta = doCheck ? &localSigMeta : paramSigMeta; |
|
|
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const char* cleartextP = cleartext; |
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PartMetaData messagePart; |
|
messagePart.isSigned = true; |
|
messagePart.technicalProblem = ( cryptPlug == 0 ); |
|
messagePart.isGoodSignature = false; |
|
messagePart.isEncrypted = false; |
|
messagePart.isDecryptable = false; |
|
messagePart.keyTrust = Kpgp::KPGP_VALIDITY_UNKNOWN; |
|
messagePart.status = i18n("Wrong Crypto Plug-In."); |
|
|
|
if ( !doCheck || |
|
( cryptPlug && |
|
cryptPlug->checkMessageSignature( data |
|
? const_cast<char**>(&cleartextP) |
|
: &new_cleartext, |
|
signaturetext, |
|
signatureIsBinary, |
|
signatureLen, |
|
sigMeta ) ) ) { |
|
messagePart.isGoodSignature = true; |
|
} |
|
|
|
if ( doCheck ) |
|
kdDebug(5006) << "\nObjectTreeParser::writeOpaqueOrMultipartSignedData: returned from CRYPTPLUG" << endl; |
|
|
|
if ( sigMeta->status && *sigMeta->status ) |
|
messagePart.status = QString::fromUtf8( sigMeta->status ); |
|
messagePart.status_code = sigMeta->status_code; |
|
|
|
// only one signature supported |
|
if ( sigMeta->extended_info_count != 0 ) { |
|
kdDebug(5006) << "\nObjectTreeParser::writeOpaqueOrMultipartSignedData: found extended sigMeta info" << endl; |
|
|
|
CryptPlug::SignatureMetaDataExtendedInfo& ext = sigMeta->extended_info[0]; |
|
|
|
// save extended signature status flags |
|
messagePart.sigStatusFlags = ext.sigStatusFlags; |
|
|
|
if ( messagePart.status.isEmpty() |
|
&& ext.status_text |
|
&& *ext.status_text ) |
|
messagePart.status = QString::fromUtf8( ext.status_text ); |
|
if ( ext.keyid && *ext.keyid ) |
|
messagePart.keyId = ext.keyid; |
|
if ( messagePart.keyId.isEmpty() ) |
|
messagePart.keyId = ext.fingerprint; // take fingerprint if no id found (e.g. for S/MIME) |
|
// ### Ugh. We depend on two enums being in sync: |
|
messagePart.keyTrust = (Kpgp::Validity)ext.validity; |
|
if ( ext.userid && *ext.userid ) |
|
messagePart.signer = QString::fromUtf8( ext.userid ); |
|
for( int iMail = 0; iMail < ext.emailCount; ++iMail ) |
|
// The following if /should/ always result in TRUE but we |
|
// won't trust implicitely the plugin that gave us these data. |
|
if ( ext.emailList[ iMail ] && *ext.emailList[ iMail ] ) { |
|
QString email = QString::fromUtf8( ext.emailList[ iMail ] ); |
|
// ### work around gpgme 0.3.x / cryptplug bug where the |
|
// ### email addresses are specified as angle-addr, not addr-spec: |
|
if ( email.startsWith( "<" ) && email.endsWith( ">" ) ) |
|
email = email.mid( 1, email.length() - 2 ); |
|
messagePart.signerMailAddresses.append( email ); |
|
} |
|
if ( ext.creation_time ) |
|
messagePart.creationTime = *ext.creation_time; |
|
if ( 70 > messagePart.creationTime.tm_year |
|
|| 200 < messagePart.creationTime.tm_year |
|
|| 0 > messagePart.creationTime.tm_mon |
|
|| 12 < messagePart.creationTime.tm_mon |
|
|| 1 > messagePart.creationTime.tm_mday |
|
|| 31 < messagePart.creationTime.tm_mday ) { |
|
messagePart.creationTime.tm_year = 0; |
|
messagePart.creationTime.tm_mon = 1; |
|
messagePart.creationTime.tm_mday = 1; |
|
} |
|
if ( messagePart.signer.isEmpty() ) { |
|
if ( ext.name && *ext.name ) |
|
messagePart.signer = QString::fromUtf8( ext.name ); |
|
if ( !messagePart.signerMailAddresses.empty() ) { |
|
if ( messagePart.signer.isEmpty() ) |
|
messagePart.signer = messagePart.signerMailAddresses.front(); |
|
else |
|
messagePart.signer += " <" + messagePart.signerMailAddresses.front() + '>'; |
|
} |
|
} |
|
|
|
kdDebug(5006) << "\n key id: " << messagePart.keyId |
|
<< "\n key trust: " << messagePart.keyTrust |
|
<< "\n signer: " << messagePart.signer << endl; |
|
|
|
} else { |
|
messagePart.creationTime.tm_year = 0; |
|
messagePart.creationTime.tm_mon = 1; |
|
messagePart.creationTime.tm_mday = 1; |
|
} |
|
|
|
if ( !doCheck || !data ){ |
|
if ( cleartextData || new_cleartext ) { |
|
if ( mReader ) |
|
htmlWriter()->queue( writeSigstatHeader( messagePart, |
|
cryptPlug, |
|
fromAddress ) ); |
|
bIsOpaqueSigned = true; |
|
|
|
CryptPlugWrapperSaver cpws( this, cryptPlug ); |
|
insertAndParseNewChildNode( sign, |
|
doCheck ? new_cleartext |
|
: cleartextData->data(), |
|
"opaqued signed data" ); |
|
if ( doCheck ) |
|
free( new_cleartext ); |
|
|
|
if ( mReader ) |
|
htmlWriter()->queue( writeSigstatFooter( messagePart ) ); |
|
|
|
} |
|
else if ( !hideErrors ) { |
|
QString txt; |
|
txt = "<hr><b><h2>"; |
|
txt.append( i18n( "The crypto engine returned no cleartext data." ) ); |
|
txt.append( "</h2></b>" ); |
|
txt.append( "<br> <br>" ); |
|
txt.append( i18n( "Status: " ) ); |
|
if ( sigMeta->status && *sigMeta->status ) { |
|
txt.append( "<i>" ); |
|
txt.append( sigMeta->status ); |
|
txt.append( "</i>" ); |
|
} |
|
else |
|
txt.append( i18n("(unknown)") ); |
|
if ( mReader ) |
|
htmlWriter()->queue(txt); |
|
} |
|
} |
|
else { |
|
if ( mReader ) { |
|
if ( !cryptPlug ) { |
|
QString errorMsg; |
|
switch ( cryptPlugError ) { |
|
case NOT_INITIALIZED: |
|
errorMsg = i18n( "Crypto plug-in \"%1\" is not initialized." ) |
|
.arg( cryptPlugLibName ); |
|
break; |
|
case CANT_VERIFY_SIGNATURES: |
|
errorMsg = i18n( "Crypto plug-in \"%1\" cannot verify signatures." ) |
|
.arg( cryptPlugLibName ); |
|
break; |
|
case NO_PLUGIN: |
|
if ( cryptPlugDisplayName.isEmpty() ) |
|
errorMsg = i18n( "No appropriate crypto plug-in was found." ); |
|
else |
|
errorMsg = i18n( "%1 is either 'OpenPGP' or 'S/MIME'", |
|
"No %1 plug-in was found." ) |
|
.arg( cryptPlugDisplayName ); |
|
break; |
|
} |
|
messagePart.errorText = i18n( "The message is signed, but the " |
|
"validity of the signature cannot be " |
|
"verified.<br />" |
|
"Reason: %1" ) |
|
.arg( errorMsg ); |
|
} |
|
|
|
htmlWriter()->queue( writeSigstatHeader( messagePart, |
|
cryptPlug, |
|
fromAddress ) ); |
|
} |
|
|
|
ObjectTreeParser otp( mReader, cryptPlug, true ); |
|
otp.parseObjectTree( data ); |
|
mRawReplyString += otp.rawReplyString(); |
|
mTextualContent += otp.textualContent(); |
|
if ( !otp.textualContentCharset().isEmpty() ) |
|
mTextualContentCharset = otp.textualContentCharset(); |
|
|
|
if ( mReader ) |
|
htmlWriter()->queue( writeSigstatFooter( messagePart ) ); |
|
} |
|
|
|
if ( cryptPlug ) |
|
cryptPlug->freeSignatureMetaData( sigMeta ); |
|
|
|
kdDebug(5006) << "\nObjectTreeParser::writeOpaqueOrMultipartSignedData: done, returning " |
|
<< ( bIsOpaqueSigned ? "TRUE" : "FALSE" ) << endl; |
|
return bIsOpaqueSigned; |
|
} |
|
|
|
|
|
bool ObjectTreeParser::okDecryptMIME( partNode& data, |
|
QCString& decryptedData, |
|
bool& signatureFound, |
|
CryptPlug::SignatureMetaData& sigMeta, |
|
bool showWarning, |
|
bool& passphraseError, |
|
QString& aErrorText ) |
|
{ |
|
passphraseError = false; |
|
aErrorText = QString::null; |
|
bool bDecryptionOk = false; |
|
enum { NO_PLUGIN, NOT_INITIALIZED, CANT_DECRYPT } |
|
cryptPlugError = NO_PLUGIN; |
|
|
|
CryptPlugWrapper* cryptPlug = cryptPlugWrapper(); |
|
if ( !cryptPlug ) |
|
cryptPlug = CryptPlugFactory::instance()->active(); |
|
|
|
QString cryptPlugLibName; |
|
if ( cryptPlug ) |
|
cryptPlugLibName = cryptPlug->libName(); |
|
|
|
// check whether the crypto plug-in is usable |
|
if ( cryptPlug ) { |
|
if ( cryptPlug->initStatus( 0 ) != CryptPlugWrapper::InitStatus_Ok ) { |
|
cryptPlugError = NOT_INITIALIZED; |
|
cryptPlug = 0; |
|
} |
|
else if ( !cryptPlug->hasFeature( Feature_DecryptMessages ) ) { |
|
cryptPlugError = CANT_DECRYPT; |
|
cryptPlug = 0; |
|
} |
|
} |
|
|
|
if ( cryptPlug && !kmkernel->contextMenuShown() ) { |
|
QByteArray ciphertext( data.msgPart().bodyDecodedBinary() ); |
|
QCString cipherStr( ciphertext.data(), ciphertext.size() + 1 ); |
|
bool cipherIsBinary = (-1 == cipherStr.find("BEGIN ENCRYPTED MESSAGE", 0, false) ) && |
|
(-1 == cipherStr.find("BEGIN PGP ENCRYPTED MESSAGE", 0, false) ) && |
|
(-1 == cipherStr.find("BEGIN PGP MESSAGE", 0, false) ); |
|
int cipherLen = ciphertext.size(); |
|
|
|
dumpToFile( "dat_04_reader.encrypted", ciphertext.data(), ciphertext.size() ); |
|
|
|
#ifdef MARCS_DEBUG |
|
QCString deb; |
|
deb = "\n\nE N C R Y P T E D D A T A = "; |
|
if ( cipherIsBinary ) |
|
deb += "[binary data]"; |
|
else { |
|
deb += "\""; |
|
deb += cipherStr; |
|
deb += "\""; |
|
} |
|
deb += "\n\n"; |
|
kdDebug(5006) << deb << endl; |
|
#endif |
|
|
|
|
|
|
|
char* cleartext = 0; |
|
const char* certificate = 0; |
|
|
|
kdDebug(5006) << "ObjectTreeParser::decryptMIME: going to call CRYPTPLUG " |
|
<< cryptPlugLibName << endl; |
|
int errId = 0; |
|
char* errTxt = 0; |
|
bDecryptionOk = cryptPlug->decryptAndCheckMessage( ciphertext.data(), |
|
cipherIsBinary, |
|
cipherLen, |
|
&cleartext, |
|
certificate, |
|
&signatureFound, |
|
&sigMeta, |
|
&errId, |
|
&errTxt ); |
|
kdDebug(5006) << "ObjectTreeParser::decryptMIME: returned from CRYPTPLUG" |
|
<< endl; |
|
aErrorText = CryptPlugWrapper::errorIdToText( errId, passphraseError ); |
|
if ( bDecryptionOk ) |
|
decryptedData = cleartext; |
|
else if ( mReader && showWarning ) { |
|
decryptedData = "<div style=\"font-size:x-large; text-align:center;" |
|
"padding:20pt;\">" |
|
+ i18n("Encrypted data not shown.").utf8() |
|
+ "</div>"; |
|
if ( !passphraseError ) |
|
aErrorText = i18n("Crypto plug-in \"%1\" could not decrypt the data.") |
|
.arg( cryptPlugLibName ) |
|
+ "<br />" |
|
+ i18n("Error: %1").arg( aErrorText ); |
|
} |
|
if ( errTxt ) |
|
free( errTxt ); |
|
if ( cleartext ) |
|
free( cleartext ); |
|
} |
|
else if ( !cryptPlug ) { |
|
decryptedData = "<div style=\"text-align:center; padding:20pt;\">" |
|
+ i18n("Encrypted data not shown.").utf8() |
|
+ "</div>"; |
|
switch ( cryptPlugError ) { |
|
case NOT_INITIALIZED: |
|
aErrorText = i18n( "Crypto plug-in \"%1\" is not initialized." ) |
|
.arg( cryptPlugLibName ); |
|
break; |
|
case CANT_DECRYPT: |
|
aErrorText = i18n( "Crypto plug-in \"%1\" cannot decrypt messages." ) |
|
.arg( cryptPlugLibName ); |
|
break; |
|
case NO_PLUGIN: |
|
aErrorText = i18n( "No appropriate crypto plug-in was found." ); |
|
break; |
|
} |
|
} |
|
else { |
|
// ### Workaround for bug 56693 (kmail freeze with the complete desktop |
|
// ### while pinentry-qt appears) |
|
QByteArray ciphertext( data.msgPart().bodyDecodedBinary() ); |
|
QCString cipherStr( ciphertext.data(), ciphertext.size() + 1 ); |
|
bool cipherIsBinary = (-1 == cipherStr.find("BEGIN ENCRYPTED MESSAGE", 0, false) ) && |
|
(-1 == cipherStr.find("BEGIN PGP ENCRYPTED MESSAGE", 0, false) ) && |
|
(-1 == cipherStr.find("BEGIN PGP MESSAGE", 0, false) ); |
|
if ( !cipherIsBinary ) { |
|
decryptedData = cipherStr; |
|
} |
|
else { |
|
decryptedData = "<div style=\"font-size:x-large; text-align:center;" |
|
"padding:20pt;\">" |
|
+ i18n("Encrypted data not shown.").utf8() |
|
+ "</div>"; |
|
} |
|
} |
|
|
|
dumpToFile( "dat_05_reader.decrypted", decryptedData.data(), decryptedData.size() ); |
|
|
|
return bDecryptionOk; |
|
} |
|
|
|
bool ObjectTreeParser::processTextHtmlSubtype( partNode * curNode, ProcessResult & ) { |
|
QCString cstr( curNode->msgPart().bodyDecoded() ); |
|
|
|
mRawReplyString = cstr; |
|
if ( curNode->isFirstTextPart() ) { |
|
mTextualContent += curNode->msgPart().bodyToUnicode(); |
|
mTextualContentCharset = curNode->msgPart().charset(); |
|
} |
|
|
|
if ( !mReader ) |
|
return true; |
|
|
|
if ( curNode->isFirstTextPart() || |
|
attachmentStrategy()->defaultDisplay( curNode ) == AttachmentStrategy::Inline || |
|
showOnlyOneMimePart() ) |
|
{ |
|
if ( mReader->htmlMail() ) { |
|
// ---Sven's strip </BODY> and </HTML> from end of attachment start- |
|
// We must fo this, or else we will see only 1st inlined html |
|
// attachment. It is IMHO enough to search only for </BODY> and |
|
// put \0 there. |
|
int i = cstr.findRev("</body>", -1, false); //case insensitive |
|
if ( 0 <= i ) |
|
cstr.truncate(i); |
|
else // just in case - search for </html> |
|
{ |
|
i = cstr.findRev("</html>", -1, false); //case insensitive |
|
if ( 0 <= i ) cstr.truncate(i); |
|
} |
|
// ---Sven's strip </BODY> and </HTML> from end of attachment end- |
|
} else { |
|
htmlWriter()->queue( "<div class=\"htmlWarn\">\n" ); |
|
htmlWriter()->queue( i18n("<b>Note:</b> This is an HTML message. For " |
|
"security reasons, only the raw HTML code " |
|
"is shown. If you trust the sender of this " |
|
"message then you can activate formatted " |
|
"HTML display for this message " |
|
"<a href=\"kmail:showHTML\">by clicking here</a>.") ); |
|
htmlWriter()->queue( "</div><br><br>" ); |
|
} |
|
htmlWriter()->queue( codecFor( curNode )->toUnicode( mReader->htmlMail() ? cstr : KMMessage::html2source( cstr ))); |
|
mReader->mColorBar->setHtmlMode(); |
|
return true; |
|
} |
|
return false; |
|
} |
|
} // namespace KMail |
|
|
|
static bool isMailmanMessage( partNode * curNode ) { |
|
if ( !curNode->dwPart() || !curNode->dwPart()->hasHeaders() ) |
|
return false; |
|
DwHeaders & headers = curNode->dwPart()->Headers(); |
|
if ( headers.HasField("X-Mailman-Version") ) |
|
return true; |
|
if ( headers.HasField("X-Mailer") && |
|
0 == QCString( headers.FieldBody("X-Mailer").AsString().c_str() ) |
|
.find("MAILMAN", 0, false) ) |
|
return true; |
|
return false; |
|
} |
|
|
|
namespace KMail { |
|
|
|
bool ObjectTreeParser::processMailmanMessage( partNode * curNode ) { |
|
const QCString cstr = curNode->msgPart().bodyDecoded(); |
|
|
|
//### |
|
const QCString delim1( "--__--__--\n\nMessage:"); |
|
const QCString delim2( "--__--__--\r\n\r\nMessage:"); |
|
const QCString delimZ2("--__--__--\n\n_____________"); |
|
const QCString delimZ1("--__--__--\r\n\r\n_____________"); |
|
QCString partStr, digestHeaderStr; |
|
int thisDelim = cstr.find(delim1, 0, false); |
|
if ( thisDelim == -1 ) |
|
thisDelim = cstr.find(delim2, 0, false); |
|
if ( thisDelim == -1 ) { |
|
kdDebug(5006) << " Sorry: Old style Mailman message but no delimiter found." << endl; |
|
return false; |
|
} |
|
|
|
int nextDelim = cstr.find(delim1, thisDelim+1, false); |
|
if ( -1 == nextDelim ) |
|
nextDelim = cstr.find(delim2, thisDelim+1, false); |
|
if ( -1 == nextDelim ) |
|
nextDelim = cstr.find(delimZ1, thisDelim+1, false); |
|
if ( -1 == nextDelim ) |
|
nextDelim = cstr.find(delimZ2, thisDelim+1, false); |
|
if ( nextDelim < 0) |
|
return false; |
|
|
|
kdDebug(5006) << " processing old style Mailman digest" << endl; |
|
//if ( curNode->mRoot ) |
|
// curNode = curNode->mRoot; |
|
|
|
// at least one message found: build a mime tree |
|
digestHeaderStr = "Content-Type=text/plain\nContent-Description=digest header\n\n"; |
|
digestHeaderStr += cstr.mid( 0, thisDelim ); |
|
insertAndParseNewChildNode( *curNode, |
|
&*digestHeaderStr, |
|
"Digest Header", true ); |
|
//mReader->queueHtml("<br><hr><br>"); |
|
// temporarily change curent node's Content-Type |
|
// to get our embedded RfC822 messages properly inserted |
|
curNode->setType( DwMime::kTypeMultipart ); |
|
curNode->setSubType( DwMime::kSubtypeDigest ); |
|
while( -1 < nextDelim ){ |
|
int thisEoL = cstr.find("\nMessage:", thisDelim, false); |
|
if ( -1 < thisEoL ) |
|
thisDelim = thisEoL+1; |
|
else{ |
|
thisEoL = cstr.find("\n_____________", thisDelim, false); |
|
if ( -1 < thisEoL ) |
|
thisDelim = thisEoL+1; |
|
} |
|
thisEoL = cstr.find('\n', thisDelim); |
|
if ( -1 < thisEoL ) |
|
thisDelim = thisEoL+1; |
|
else |
|
thisDelim = thisDelim+1; |
|
//while( thisDelim < cstr.size() && '\n' == cstr[thisDelim] ) |
|
// ++thisDelim; |
|
|
|
partStr = "Content-Type=message/rfc822\nContent-Description=embedded message\n"; |
|
partStr += cstr.mid( thisDelim, nextDelim-thisDelim ); |
|
QCString subject("embedded message"); |
|
QCString subSearch("\nSubject:"); |
|
int subPos = partStr.find(subSearch, 0, false); |
|
if ( -1 < subPos ){ |
|
subject = partStr.mid(subPos+subSearch.length()); |
|
thisEoL = subject.find('\n'); |
|
if ( -1 < thisEoL ) |
|
subject.truncate( thisEoL ); |
|
} |
|
kdDebug(5006) << " embedded message found: \"" << subject << "\"" << endl; |
|
insertAndParseNewChildNode( *curNode, |
|
&*partStr, |
|
subject, true ); |
|
//mReader->queueHtml("<br><hr><br>"); |
|
thisDelim = nextDelim+1; |
|
nextDelim = cstr.find(delim1, thisDelim, false); |
|
if ( -1 == nextDelim ) |
|
nextDelim = cstr.find(delim2, thisDelim, false); |
|
if ( -1 == nextDelim ) |
|
nextDelim = cstr.find(delimZ1, thisDelim, false); |
|
if ( -1 == nextDelim ) |
|
nextDelim = cstr.find(delimZ2, thisDelim, false); |
|
} |
|
// reset curent node's Content-Type |
|
curNode->setType( DwMime::kTypeText ); |
|
curNode->setSubType( DwMime::kSubtypePlain ); |
|
int thisEoL = cstr.find("_____________", thisDelim); |
|
if ( -1 < thisEoL ){ |
|
thisDelim = thisEoL; |
|
thisEoL = cstr.find('\n', thisDelim); |
|
if ( -1 < thisEoL ) |
|
thisDelim = thisEoL+1; |
|
} |
|
else |
|
thisDelim = thisDelim+1; |
|
partStr = "Content-Type=text/plain\nContent-Description=digest footer\n\n"; |
|
partStr += cstr.mid( thisDelim ); |
|
insertAndParseNewChildNode( *curNode, |
|
&*partStr, |
|
"Digest Footer", true ); |
|
return true; |
|
} |
|
|
|
bool ObjectTreeParser::processTextPlainSubtype( partNode * curNode, ProcessResult & result ) { |
|
const QCString cstr = curNode->msgPart().bodyDecoded(); |
|
if ( !mReader ) { |
|
mRawReplyString = cstr; |
|
if ( curNode->isFirstTextPart() ) { |
|
mTextualContent += curNode->msgPart().bodyToUnicode(); |
|
mTextualContentCharset = curNode->msgPart().charset(); |
|
} |
|
return true; |
|
} |
|
|
|
//resultingRawData += cstr; |
|
if ( !curNode->isFirstTextPart() && |
|
attachmentStrategy()->defaultDisplay( curNode ) != AttachmentStrategy::Inline && |
|
!showOnlyOneMimePart() ) |
|
return false; |
|
|
|
mRawReplyString = cstr; |
|
if ( curNode->isFirstTextPart() ) { |
|
mTextualContent += curNode->msgPart().bodyToUnicode(); |
|
mTextualContentCharset = curNode->msgPart().charset(); |
|
} |
|
|
|
QString label = curNode->msgPart().fileName().stripWhiteSpace(); |
|
if ( label.isEmpty() ) |
|
label = curNode->msgPart().name().stripWhiteSpace(); |
|
|
|
const bool bDrawFrame = !curNode->isFirstTextPart() |
|
&& !showOnlyOneMimePart() |
|
&& !label.isEmpty(); |
|
if ( bDrawFrame ) { |
|
label = KMMessage::quoteHtmlChars( label, true ); |
|
|
|
const QString comment = |
|
KMMessage::quoteHtmlChars( curNode->msgPart().contentDescription(), true ); |
|
|
|
const QString fileName = |
|
mReader->writeMessagePartToTempFile( &curNode->msgPart(), |
|
curNode->nodeId() ); |
|
|
|
const QString dir = QApplication::reverseLayout() ? "rtl" : "ltr" ; |
|
|
|
QString htmlStr = "<table cellspacing=\"1\" class=\"textAtm\">" |
|
"<tr class=\"textAtmH\"><td dir=\"" + dir + "\">"; |
|
if ( !fileName.isEmpty() ) |
|
htmlStr += "<a href=\"" + QString("file:") |
|
+ KURL::encode_string( fileName ) + "\">" |
|
+ label + "</a>"; |
|
else |
|
htmlStr += label; |
|
if ( !comment.isEmpty() ) |
|
htmlStr += "<br>" + comment; |
|
htmlStr += "</td></tr><tr class=\"textAtmB\"><td>"; |
|
|
|
htmlWriter()->queue( htmlStr ); |
|
} |
|
// process old style not-multipart Mailman messages to |
|
// enable verification of the embedded messages' signatures |
|
if ( !isMailmanMessage( curNode ) || |
|
!processMailmanMessage( curNode ) ) |
|
writeBodyString( cstr, curNode->trueFromAddress(), |
|
codecFor( curNode ), result ); |
|
if ( bDrawFrame ) |
|
htmlWriter()->queue( "</td></tr></table>" ); |
|
|
|
return true; |
|
} |
|
|
|
void ObjectTreeParser::stdChildHandling( partNode * child ) { |
|
if ( !child ) |
|
return; |
|
|
|
ObjectTreeParser otp( *this ); |
|
otp.setShowOnlyOneMimePart( false ); |
|
otp.parseObjectTree( child ); |
|
mRawReplyString += otp.rawReplyString(); |
|
mTextualContent += otp.textualContent(); |
|
if ( !otp.textualContentCharset().isEmpty() ) |
|
mTextualContentCharset = otp.textualContentCharset(); |
|
} |
|
|
|
bool ObjectTreeParser::processMultiPartMixedSubtype( partNode * node, ProcessResult & ) { |
|
partNode * child = node->firstChild(); |
|
if ( !child ) |
|
return false; |
|
|
|
// normal treatment of the parts in the mp/mixed container |
|
stdChildHandling( child ); |
|
return true; |
|
} |
|
|
|
bool ObjectTreeParser::processMultiPartAlternativeSubtype( partNode * node, ProcessResult & ) { |
|
partNode * child = node->firstChild(); |
|
if ( !child ) |
|
return false; |
|
|
|
partNode * dataHtml = child->findType( DwMime::kTypeText, |
|
DwMime::kSubtypeHtml, false, true ); |
|
partNode * dataPlain = child->findType( DwMime::kTypeText, |
|
DwMime::kSubtypePlain, false, true ); |
|
|
|
if ( (mReader && mReader->htmlMail() && dataHtml) || |
|
(dataHtml && dataPlain && dataPlain->msgPart().body().isEmpty()) ) { |
|
if ( dataPlain ) |
|
dataPlain->setProcessed( true, false ); |
|
stdChildHandling( dataHtml ); |
|
return true; |
|
} |
|
|
|
if ( !mReader || (!mReader->htmlMail() && dataPlain) ) { |
|
if ( dataHtml ) |
|
dataHtml->setProcessed( true, false ); |
|
stdChildHandling( dataPlain ); |
|
return true; |
|
} |
|
|
|
stdChildHandling( child ); |
|
return true; |
|
} |
|
|
|
bool ObjectTreeParser::processMultiPartDigestSubtype( partNode * node, ProcessResult & result ) { |
|
return processMultiPartMixedSubtype( node, result ); |
|
} |
|
|
|
bool ObjectTreeParser::processMultiPartParallelSubtype( partNode * node, ProcessResult & result ) { |
|
return processMultiPartMixedSubtype( node, result ); |
|
} |
|
|
|
bool ObjectTreeParser::processMultiPartSignedSubtype( partNode * node, ProcessResult & ) { |
|
if ( node->childCount() != 2 ) { |
|
kdDebug(5006) << "mulitpart/signed must have exactly two child parts!" << endl |
|
<< "processing as multipart/mixed" << endl; |
|
if ( node->firstChild() ) |
|
stdChildHandling( node->firstChild() ); |
|
return node->firstChild(); |
|
} |
|
|
|
partNode * signedData = node->firstChild(); |
|
assert( signedData ); |
|
|
|
partNode * signature = signedData->nextSibling(); |
|
assert( signature ); |
|
|
|
signature->setProcessed( true, true ); |
|
|
|
if ( !includeSignatures() ) { |
|
stdChildHandling( signedData ); |
|
return true; |
|
} |
|
|
|
// FIXME(marc) check here that the protocol parameter matches the |
|
// mimetype of "signature" (not required by the RFC, but practised |
|
// by all implementaions of security multiparts |
|
|
|
CryptPlugWrapper * cpw = |
|
CryptPlugFactory::instance()->createForProtocol( node->contentTypeParameter( "protocol" ) ); |
|
|
|
if ( !cpw ) { |
|
signature->setProcessed( true, true ); |
|
stdChildHandling( signedData ); |
|
return true; |
|
} |
|
|
|
CryptPlugWrapperSaver saver( this, cpw ); |
|
|
|
node->setSignatureState( KMMsgFullySigned ); |
|
writeOpaqueOrMultipartSignedData( signedData, *signature, |
|
node->trueFromAddress() ); |
|
return true; |
|
} |
|
|
|
bool ObjectTreeParser::processMultiPartEncryptedSubtype( partNode * node, ProcessResult & result ) { |
|
partNode * child = node->firstChild(); |
|
if ( !child ) |
|
return false; |
|
|
|
if ( keepEncryptions() ) { |
|
node->setEncryptionState( KMMsgFullyEncrypted ); |
|
const QCString cstr = node->msgPart().bodyDecoded(); |
|
if ( mReader ) |
|
writeBodyString( cstr, node->trueFromAddress(), |
|
codecFor( node ), result ); |
|
mRawReplyString += cstr; |
|
return true; |
|
} |
|
|
|
CryptPlugWrapper * useThisCryptPlug = 0; |
|
|
|
/* |
|
ATTENTION: This code is to be replaced by the new 'auto-detect' feature. -------------------------------------- |
|
*/ |
|
partNode * data = child->findType( DwMime::kTypeApplication, |
|
DwMime::kSubtypeOctetStream, false, true ); |
|
if ( data ) { |
|
useThisCryptPlug = KMail::CryptPlugFactory::instance()->openpgp(); |
|
} |
|
if ( !data ) { |
|
data = child->findType( DwMime::kTypeApplication, |
|
DwMime::kSubtypePkcs7Mime, false, true ); |
|
if ( data ) { |
|
useThisCryptPlug = KMail::CryptPlugFactory::instance()->smime(); |
|
} |
|
} |
|
/* |
|
--------------------------------------------------------------------------------------------------------------- |
|
*/ |
|
|
|
if ( !data ) { |
|
stdChildHandling( child ); |
|
return true; |
|
} |
|
|
|
CryptPlugWrapperSaver cpws( this, useThisCryptPlug ); |
|
|
|
if ( partNode * dataChild = data->firstChild() ) { |
|
kdDebug(5006) << "\n-----> Calling parseObjectTree( curNode->mChild )\n" << endl; |
|
stdChildHandling( dataChild ); |
|
kdDebug(5006) << "\n-----> Returning from parseObjectTree( curNode->mChild )\n" << endl; |
|
return true; |
|
} |
|
|
|
kdDebug(5006) << "\n-----> Initially processing encrypted data\n" << endl; |
|
PartMetaData messagePart; |
|
node->setEncryptionState( KMMsgFullyEncrypted ); |
|
QCString decryptedData; |
|
bool signatureFound; |
|
CryptPlug::SignatureMetaData sigMeta; |
|
sigMeta.status = 0; |
|
sigMeta.extended_info = 0; |
|
sigMeta.extended_info_count = 0; |
|
bool passphraseError; |
|
|
|
bool bOkDecrypt = okDecryptMIME( *data, |
|
decryptedData, |
|
signatureFound, |
|
sigMeta, |
|
true, |
|
passphraseError, |
|
messagePart.errorText ); |
|
|
|
// paint the frame |
|
if ( mReader ) { |
|
messagePart.isDecryptable = bOkDecrypt; |
|
messagePart.isEncrypted = true; |
|
messagePart.isSigned = false; |
|
htmlWriter()->queue( writeSigstatHeader( messagePart, |
|
cryptPlugWrapper(), |
|
node->trueFromAddress() ) ); |
|
} |
|
|
|
if ( bOkDecrypt ) { |
|
// Note: Multipart/Encrypted might also be signed |
|
// without encapsulating a nicely formatted |
|
// ~~~~~~~ Multipart/Signed part. |
|
// (see RFC 3156 --> 6.2) |
|
// In this case we paint a _2nd_ frame inside the |
|
// encryption frame, but we do _not_ show a respective |
|
// encapsulated MIME part in the Mime Tree Viewer |
|
// since we do want to show the _true_ structure of the |
|
// message there - not the structure that the sender's |
|
// MUA 'should' have sent. :-D (khz, 12.09.2002) |
|
// |
|
if ( signatureFound ) { |
|
writeOpaqueOrMultipartSignedData( 0, |
|
*node, |
|
node->trueFromAddress(), |
|
false, |
|
&decryptedData, |
|
&sigMeta, |
|
false ); |
|
node->setSignatureState( KMMsgFullySigned ); |
|
} else { |
|
insertAndParseNewChildNode( *node, |
|
&*decryptedData, |
|
"encrypted data" ); |
|
} |
|
} else { |
|
mRawReplyString += decryptedData; |
|
if ( mReader ) { |
|
// print the error message that was returned in decryptedData |
|
// (utf8-encoded) |
|
htmlWriter()->queue( QString::fromUtf8( decryptedData.data() ) ); |
|
} |
|
} |
|
|
|
if ( mReader ) |
|
htmlWriter()->queue( writeSigstatFooter( messagePart ) ); |
|
data->setProcessed( true, false ); // Set the data node to done to prevent it from being processed |
|
return true; |
|
} |
|
|
|
|
|
bool ObjectTreeParser::processMessageRfc822Subtype( partNode * node, ProcessResult & ) { |
|
if ( mReader |
|
&& !attachmentStrategy()->inlineNestedMessages() |
|
&& !showOnlyOneMimePart() ) |
|
return false; |
|
|
|
if ( partNode * child = node->firstChild() ) { |
|
kdDebug(5006) << "\n-----> Calling parseObjectTree( curNode->mChild )\n" << endl; |
|
ObjectTreeParser otp( mReader, cryptPlugWrapper() ); |
|
otp.parseObjectTree( child ); |
|
mRawReplyString += otp.rawReplyString(); |
|
mTextualContent += otp.textualContent(); |
|
if ( !otp.textualContentCharset().isEmpty() ) |
|
mTextualContentCharset = otp.textualContentCharset(); |
|
kdDebug(5006) << "\n<----- Returning from parseObjectTree( curNode->mChild )\n" << endl; |
|
return true; |
|
} |
|
kdDebug(5006) << "\n-----> Initially processing data of embedded RfC 822 message\n" << endl; |
|
// paint the frame |
|
PartMetaData messagePart; |
|
if ( mReader ) { |
|
messagePart.isEncrypted = false; |
|
messagePart.isSigned = false; |
|
messagePart.isEncapsulatedRfc822Message = true; |
|
QString filename = |
|
mReader->writeMessagePartToTempFile( &node->msgPart(), |
|
node->nodeId() ); |
|
htmlWriter()->queue( writeSigstatHeader( messagePart, |
|
cryptPlugWrapper(), |
|
node->trueFromAddress(), |
|
filename ) ); |
|
} |
|
QCString rfc822messageStr( node->msgPart().bodyDecoded() ); |
|
// display the headers of the encapsulated message |
|
DwMessage* rfc822DwMessage = 0; // will be deleted by c'tor of rfc822headers |
|
if ( node->dwPart()->Body().Message() ) |
|
rfc822DwMessage = new DwMessage( *(node->dwPart()->Body().Message()) ); |
|
else |
|
{ |
|
rfc822DwMessage = new DwMessage(); |
|
rfc822DwMessage->FromString( rfc822messageStr ); |
|
rfc822DwMessage->Parse(); |
|
} |
|
KMMessage rfc822message( rfc822DwMessage ); |
|
node->setFromAddress( rfc822message.from() ); |
|
kdDebug(5006) << "\n-----> Store RfC 822 message header \"From: " << rfc822message.from() << "\"\n" << endl; |
|
if ( mReader ) |
|
htmlWriter()->queue( mReader->writeMsgHeader( &rfc822message ) ); |
|
//mReader->parseMsgHeader( &rfc822message ); |
|
// display the body of the encapsulated message |
|
insertAndParseNewChildNode( *node, |
|
&*rfc822messageStr, |
|
"encapsulated message" ); |
|
if ( mReader ) |
|
htmlWriter()->queue( writeSigstatFooter( messagePart ) ); |
|
return true; |
|
} |
|
|
|
|
|
bool ObjectTreeParser::processApplicationOctetStreamSubtype( partNode * node, ProcessResult & result ) { |
|
if ( partNode * child = node->firstChild() ) { |
|
kdDebug(5006) << "\n-----> Calling parseObjectTree( curNode->mChild )\n" << endl; |
|
ObjectTreeParser otp( mReader, cryptPlugWrapper() ); |
|
otp.parseObjectTree( child ); |
|
mRawReplyString += otp.rawReplyString(); |
|
mTextualContent += otp.textualContent(); |
|
if ( !otp.textualContentCharset().isEmpty() ) |
|
mTextualContentCharset = otp.textualContentCharset(); |
|
kdDebug(5006) << "\n<----- Returning from parseObjectTree( curNode->mChild )\n" << endl; |
|
return true; |
|
} |
|
|
|
CryptPlugWrapper* oldUseThisCryptPlug = cryptPlugWrapper(); |
|
if ( node->parentNode() |
|
&& DwMime::kTypeMultipart == node->parentNode()->type() |
|
&& DwMime::kSubtypeEncrypted == node->parentNode()->subType() ) { |
|
kdDebug(5006) << "\n-----> Initially processing encrypted data\n" << endl; |
|
node->setEncryptionState( KMMsgFullyEncrypted ); |
|
if ( keepEncryptions() ) { |
|
const QCString cstr = node->msgPart().bodyDecoded(); |
|
if ( mReader ) |
|
writeBodyString( cstr, node->trueFromAddress(), |
|
codecFor( node ), result ); |
|
mRawReplyString += cstr; |
|
} else { |
|
/* |
|
ATTENTION: This code is to be replaced by the planned 'auto-detect' feature. |
|
*/ |
|
PartMetaData messagePart; |
|
setCryptPlugWrapper( KMail::CryptPlugFactory::instance()->openpgp() ); |
|
QCString decryptedData; |
|
bool signatureFound; |
|
CryptPlug::SignatureMetaData sigMeta; |
|
sigMeta.status = 0; |
|
sigMeta.extended_info = 0; |
|
sigMeta.extended_info_count = 0; |
|
bool passphraseError; |
|
|
|
bool bOkDecrypt = okDecryptMIME( *node, |
|
decryptedData, |
|
signatureFound, |
|
sigMeta, |
|
true, |
|
passphraseError, |
|
messagePart.errorText ); |
|
|
|
// paint the frame |
|
if ( mReader ) { |
|
messagePart.isDecryptable = bOkDecrypt; |
|
messagePart.isEncrypted = true; |
|
messagePart.isSigned = false; |
|
htmlWriter()->queue( writeSigstatHeader( messagePart, |
|
cryptPlugWrapper(), |
|
node->trueFromAddress() ) ); |
|
} |
|
|
|
if ( bOkDecrypt ) { |
|
// fixing the missing attachments bug #1090-b |
|
insertAndParseNewChildNode( *node, |
|
&*decryptedData, |
|
"encrypted data" ); |
|
} else { |
|
mRawReplyString += decryptedData; |
|
if ( mReader ) { |
|
// print the error message that was returned in decryptedData |
|
// (utf8-encoded) |
|
htmlWriter()->queue( QString::fromUtf8( decryptedData.data() ) ); |
|
} |
|
} |
|
|
|
if ( mReader ) |
|
htmlWriter()->queue( writeSigstatFooter( messagePart ) ); |
|
} |
|
return true; |
|
} |
|
setCryptPlugWrapper( oldUseThisCryptPlug ); |
|
return false; |
|
} |
|
|
|
bool ObjectTreeParser::processApplicationPkcs7MimeSubtype( partNode * node, ProcessResult & result ) { |
|
if ( partNode * child = node->firstChild() ) { |
|
kdDebug(5006) << "\n-----> Calling parseObjectTree( curNode->mChild )\n" << endl; |
|
ObjectTreeParser otp( mReader, cryptPlugWrapper() ); |
|
otp.parseObjectTree( child ); |
|
mRawReplyString += otp.rawReplyString(); |
|
mTextualContent += otp.textualContent(); |
|
if ( !otp.textualContentCharset().isEmpty() ) |
|
mTextualContentCharset = otp.textualContentCharset(); |
|
kdDebug(5006) << "\n<----- Returning from parseObjectTree( curNode->mChild )\n" << endl; |
|
return true; |
|
} |
|
|
|
kdDebug(5006) << "\n-----> Initially processing signed and/or encrypted data\n" << endl; |
|
if ( !node->dwPart() || !node->dwPart()->hasHeaders() ) |
|
return false; |
|
|
|
CryptPlugWrapper * smimeCrypto = CryptPlugFactory::instance()->smime(); |
|
|
|
const QString smimeType = node->contentTypeParameter("smime-type").lower(); |
|
|
|
if ( smimeType == "certs-only" ) { |
|
result.setNeverDisplayInline( true ); |
|
if ( !smimeCrypto ) |
|
return false; |
|
|
|
const KConfigGroup reader( KMKernel::config(), "Reader" ); |
|
if ( !reader.readBoolEntry( "AutoImportKeys", false ) ) |
|
return false; |
|
|
|
const QByteArray certData = node->msgPart().bodyDecodedBinary(); |
|
|
|
const GpgME::ImportResult res |
|
= smimeCrypto->importCertificate( certData.data(), certData.size() ); |
|
if ( res.error() ) { |
|
htmlWriter()->queue( i18n( "Sorry, certificate could not be imported.<br>" |
|
"Reason: %1").arg( QString::fromLocal8Bit( res.error().asString() ) ) ); |
|
return true; |
|
} |
|
|
|
const int nImp = res.numImported(); |
|
const int nUnc = res.numUnchanged(); |
|
const int nSKImp = res.numSecretKeysImported(); |
|
const int nSKUnc = res.numSecretKeysUnchanged(); |
|
if ( !nImp && !nSKImp && !nUnc && !nSKUnc ) { |
|
htmlWriter()->queue( i18n( "Sorry, no certificates were found in this message." ) ); |
|
return true; |
|
} |
|
QString comment = "<b>" + i18n( "Certificate import status:" ) + "</b><br> <br>"; |
|
if ( nImp ) |
|
comment += i18n( "1 new certificate was imported.", |
|
"%n new certificates were imported.", nImp ) + "<br>"; |
|
if ( nUnc ) |
|
comment += i18n( "1 certificate was unchanged.", |
|
"%n certificates were unchanged.", nUnc ) + "<br>"; |
|
if ( nSKImp ) |
|
comment += i18n( "1 new secret key was imported.", |
|
"%n new secret keys were imported.", nSKImp ) + "<br>"; |
|
if ( nSKUnc ) |
|
comment += i18n( "1 secret key was unchanged.", |
|
"%n secret keys were unchanged.", nSKUnc ) + "<br>"; |
|
comment += " <br>"; |
|
htmlWriter()->queue( comment ); |
|
if ( !nImp && !nSKImp ) { |
|
htmlWriter()->queue( "<hr>" ); |
|
return true; |
|
} |
|
const std::vector<GpgME::Import> imports = res.imports(); |
|
if ( imports.empty() ) { |
|
htmlWriter()->queue( i18n( "Sorry, no details on certificate import available." ) + "<hr>" ); |
|
return true; |
|
} |
|
htmlWriter()->queue( "<b>" + i18n( "Certificate import details:" ) + "</b><br>" ); |
|
for ( std::vector<GpgME::Import>::const_iterator it = imports.begin() ; it != imports.end() ; ++it ) { |
|
if ( (*it).error() ) |
|
htmlWriter()->queue( i18n( "Failed: %1 (%2)" ).arg( (*it).fingerprint() ) |
|
.arg( QString::fromLocal8Bit( (*it).error().asString() ) ) ); |
|
else if ( (*it).status() & ~GpgME::Import::ContainedSecretKey ) |
|
if ( (*it).status() & GpgME::Import::ContainedSecretKey ) |
|
htmlWriter()->queue( i18n( "New or changed: %1 (secret key available)" ).arg( (*it).fingerprint() ) ); |
|
else |
|
htmlWriter()->queue( i18n( "New or changed: %1" ).arg( (*it).fingerprint() ) ); |
|
htmlWriter()->queue( "<br>" ); |
|
} |
|
|
|
htmlWriter()->queue( "<hr>" ); |
|
return true; |
|
} |
|
|
|
if ( !smimeCrypto ) |
|
return false; |
|
CryptPlugWrapperSaver cpws( this, smimeCrypto ); |
|
|
|
bool isSigned = smimeType == "signed-data"; |
|
bool isEncrypted = smimeType == "enveloped-data"; |
|
|
|
// Analyze "signTestNode" node to find/verify a signature. |
|
// If zero this verification was successfully done after |
|
// decrypting via recursion by insertAndParseNewChildNode(). |
|
partNode* signTestNode = isEncrypted ? 0 : node; |
|
|
|
|
|
// We try decrypting the content |
|
// if we either *know* that it is an encrypted message part |
|
// or there is neither signed nor encrypted parameter. |
|
if ( !isSigned ) { |
|
if ( isEncrypted ) |
|
kdDebug(5006) << "pkcs7 mime == S/MIME TYPE: enveloped (encrypted) data" << endl; |
|
else |
|
kdDebug(5006) << "pkcs7 mime - type unknown - enveloped (encrypted) data ?" << endl; |
|
QCString decryptedData; |
|
PartMetaData messagePart; |
|
messagePart.isEncrypted = true; |
|
messagePart.isSigned = false; |
|
bool signatureFound; |
|
CryptPlug::SignatureMetaData sigMeta; |
|
sigMeta.status = 0; |
|
sigMeta.extended_info = 0; |
|
sigMeta.extended_info_count = 0; |
|
bool passphraseError; |
|
|
|
if ( okDecryptMIME( *node, |
|
decryptedData, |
|
signatureFound, |
|
sigMeta, |
|
false, |
|
passphraseError, |
|
messagePart.errorText ) ) { |
|
kdDebug(5006) << "pkcs7 mime - encryption found - enveloped (encrypted) data !" << endl; |
|
isEncrypted = true; |
|
node->setEncryptionState( KMMsgFullyEncrypted ); |
|
signTestNode = 0; |
|
// paint the frame |
|
messagePart.isDecryptable = true; |
|
if ( mReader ) |
|
htmlWriter()->queue( writeSigstatHeader( messagePart, |
|
cryptPlugWrapper(), |
|
node->trueFromAddress() ) ); |
|
insertAndParseNewChildNode( *node, |
|
&*decryptedData, |
|
"encrypted data" ); |
|
if ( mReader ) |
|
htmlWriter()->queue( writeSigstatFooter( messagePart ) ); |
|
} else { |
|
|
|
if ( passphraseError ) { |
|
isEncrypted = true; |
|
signTestNode = 0; |
|
} |
|
|
|
if ( isEncrypted ) { |
|
kdDebug(5006) << "pkcs7 mime - ERROR: COULD NOT DECRYPT enveloped data !" << endl; |
|
// paint the frame |
|
messagePart.isDecryptable = false; |
|
if ( mReader ) { |
|
htmlWriter()->queue( writeSigstatHeader( messagePart, |
|
cryptPlugWrapper(), |
|
node->trueFromAddress() ) ); |
|
writePartIcon( &node->msgPart(), node->nodeId() ); |
|
htmlWriter()->queue( writeSigstatFooter( messagePart ) ); |
|
} |
|
} else { |
|
kdDebug(5006) << "pkcs7 mime - NO encryption found" << endl; |
|
} |
|
} |
|
if ( isEncrypted ) |
|
node->setEncryptionState( KMMsgFullyEncrypted ); |
|
} |
|
|
|
// We now try signature verification if necessarry. |
|
if ( signTestNode ) { |
|
if ( isSigned ) |
|
kdDebug(5006) << "pkcs7 mime == S/MIME TYPE: opaque signed data" << endl; |
|
else |
|
kdDebug(5006) << "pkcs7 mime - type unknown - opaque signed data ?" << endl; |
|
|
|
bool sigFound = writeOpaqueOrMultipartSignedData( 0, |
|
*signTestNode, |
|
node->trueFromAddress(), |
|
true, |
|
0, |
|
0, |
|
isEncrypted ); |
|
if ( sigFound ) { |
|
if ( !isSigned ) { |
|
kdDebug(5006) << "pkcs7 mime - signature found - opaque signed data !" << endl; |
|
isSigned = true; |
|
} |
|
signTestNode->setSignatureState( KMMsgFullySigned ); |
|
if ( signTestNode != node ) |
|
node->setSignatureState( KMMsgFullySigned ); |
|
} else { |
|
kdDebug(5006) << "pkcs7 mime - NO signature found :-(" << endl; |
|
} |
|
} |
|
|
|
return isSigned || isEncrypted; |
|
} |
|
|
|
void ObjectTreeParser::writeBodyString( const QCString & bodyString, |
|
const QString & fromAddress, |
|
const QTextCodec * codec, |
|
ProcessResult & result ) { |
|
assert( mReader ); assert( codec ); |
|
KMMsgSignatureState inlineSignatureState = result.inlineSignatureState(); |
|
KMMsgEncryptionState inlineEncryptionState = result.inlineEncryptionState(); |
|
writeBodyStr( bodyString, codec, fromAddress, |
|
inlineSignatureState, inlineEncryptionState ); |
|
result.setInlineSignatureState( inlineSignatureState ); |
|
result.setInlineEncryptionState( inlineEncryptionState ); |
|
} |
|
|
|
void ObjectTreeParser::writePartIcon( KMMessagePart * msgPart, int partNum, bool inlineImage ) { |
|
if ( !mReader || !msgPart ) |
|
return; |
|
|
|
kdDebug(5006) << "writePartIcon: PartNum: " << partNum << endl; |
|
|
|
QString label = msgPart->fileName(); |
|
if( label.isEmpty() ) |
|
label = msgPart->name(); |
|
if( label.isEmpty() ) |
|
label = "unnamed"; |
|
label = KMMessage::quoteHtmlChars( label, true ); |
|
|
|
QString comment = msgPart->contentDescription(); |
|
comment = KMMessage::quoteHtmlChars( comment, true ); |
|
|
|
QString fileName = mReader->writeMessagePartToTempFile( msgPart, partNum ); |
|
|
|
QString href = fileName.isEmpty() ? |
|
"part://" + QString::number( partNum + 1 ) : |
|
"file:" + KURL::encode_string( fileName ) ; |
|
|
|
QString iconName; |
|
if( inlineImage ) |
|
iconName = href; |
|
else { |
|
iconName = msgPart->iconName(); |
|
if( iconName.right( 14 ) == "mime_empty.png" ) { |
|
msgPart->magicSetType(); |
|
iconName = msgPart->iconName(); |
|
} |
|
} |
|
|
|
if( inlineImage ) |
|
// show the filename of the image below the embedded image |
|
htmlWriter()->queue( "<div><a href=\"" + href + "\">" |
|
"<img src=\"" + iconName + "\" border=\"0\"></a>" |
|
"</div>" |
|
"<div><a href=\"" + href + "\">" + label + "</a>" |
|
"</div>" |
|
"<div>" + comment + "</div><br>" ); |
|
else |
|
// show the filename next to the image |
|
htmlWriter()->queue( "<div><a href=\"" + href + "\"><img src=\"" + |
|
iconName + "\" border=\"0\">" + label + |
|
"</a></div>" |
|
"<div>" + comment + "</div><br>" ); |
|
} |
|
|
|
#define SIG_FRAME_COL_UNDEF 99 |
|
#define SIG_FRAME_COL_RED -1 |
|
#define SIG_FRAME_COL_YELLOW 0 |
|
#define SIG_FRAME_COL_GREEN 1 |
|
QString ObjectTreeParser::sigStatusToString( CryptPlugWrapper* cryptPlug, |
|
int status_code, |
|
CryptPlugWrapper::SigStatusFlags statusFlags, |
|
int& frameColor, |
|
bool& showKeyInfos ) |
|
{ |
|
// note: At the moment frameColor and showKeyInfos are |
|
// used for CMS only but not for PGP signatures |
|
// pending(khz): Implement usage of these for PGP sigs as well. |
|
showKeyInfos = true; |
|
QString result; |
|
if( cryptPlug ) { |
|
if( cryptPlug->protocol() == "openpgp" ) { |
|
// process enum according to it's definition to be read in |
|
// GNU Privacy Guard CVS repository /gpgme/gpgme/gpgme.h |
|
switch( status_code ) { |
|
case 0: // GPGME_SIG_STAT_NONE |
|
result = i18n("Error: Signature not verified"); |
|
break; |
|
case 1: // GPGME_SIG_STAT_GOOD |
|
result = i18n("Good signature"); |
|
break; |
|
case 2: // GPGME_SIG_STAT_BAD |
|
result = i18n("<b>Bad</b> signature"); |
|
break; |
|
case 3: // GPGME_SIG_STAT_NOKEY |
|
result = i18n("No public key to verify the signature"); |
|
break; |
|
case 4: // GPGME_SIG_STAT_NOSIG |
|
result = i18n("No signature found"); |
|
break; |
|
case 5: // GPGME_SIG_STAT_ERROR |
|
result = i18n("Error verifying the signature"); |
|
break; |
|
case 6: // GPGME_SIG_STAT_DIFF |
|
result = i18n("Different results for signatures"); |
|
break; |
|
/* PENDING(khz) Verify exact meaning of the following values: |
|
case 7: // GPGME_SIG_STAT_GOOD_EXP |
|
return i18n("Signature certificate is expired"); |
|
break; |
|
case 8: // GPGME_SIG_STAT_GOOD_EXPKEY |
|
return i18n("One of the certificate's keys is expired"); |
|
break; |
|
*/ |
|
default: |
|
result = ""; // do *not* return a default text here ! |
|
break; |
|
} |
|
} |
|
else if( cryptPlug->protocol() == "smime" ) { |
|
// process status bits according to SigStatus_... |
|
// definitions in kdenetwork/libkdenetwork/cryptplug.h |
|
|
|
if( CryptPlugWrapper::SigStatus_UNKNOWN == statusFlags ) { |
|
result = i18n("No status information available."); |
|
frameColor = SIG_FRAME_COL_YELLOW; |
|
showKeyInfos = false; |
|
return result; |
|
} |
|
|
|
if( CryptPlugWrapper::SigStatus_VALID & statusFlags ) { |
|
result = i18n("Good signature."); |
|
// Note: |
|
// Here we are work differently than KMail did before! |
|
// |
|
// The GOOD case ( == sig matching and the complete |
|
// certificate chain was verified and is valid today ) |
|
// by definition does *not* show any key |
|
// information but just states that things are OK. |
|
// (khz, according to LinuxTag 2002 meeting) |
|
frameColor = SIG_FRAME_COL_GREEN; |
|
showKeyInfos = false; |
|
return result; |
|
} |
|
|
|
// we are still there? OK, let's test the different cases: |
|
|
|
// we assume green, test for yellow or red (in this order!) |
|
frameColor = SIG_FRAME_COL_GREEN; |
|
QString result2; |
|
if( CryptPlugWrapper::SigStatus_KEY_EXPIRED & statusFlags ){ |
|
// still is green! |
|
result2 += i18n("One key has expired."); |
|
} |
|
if( CryptPlugWrapper::SigStatus_SIG_EXPIRED & statusFlags ){ |
|
// and still is green! |
|
result2 += i18n("The signature has expired."); |
|
} |
|
|
|
// test for yellow: |
|
if( CryptPlugWrapper::SigStatus_KEY_MISSING & statusFlags ) { |
|
result2 += i18n("Unable to verify: key missing."); |
|
// if the signature certificate is missing |
|
// we cannot show infos on it |
|
showKeyInfos = false; |
|
frameColor = SIG_FRAME_COL_YELLOW; |
|
} |
|
if( CryptPlugWrapper::SigStatus_CRL_MISSING & statusFlags ){ |
|
result2 += i18n("CRL not available."); |
|
frameColor = SIG_FRAME_COL_YELLOW; |
|
} |
|
if( CryptPlugWrapper::SigStatus_CRL_TOO_OLD & statusFlags ){ |
|
result2 += i18n("Available CRL is too old."); |
|
frameColor = SIG_FRAME_COL_YELLOW; |
|
} |
|
if( CryptPlugWrapper::SigStatus_BAD_POLICY & statusFlags ){ |
|
result2 += i18n("A policy was not met."); |
|
frameColor = SIG_FRAME_COL_YELLOW; |
|
} |
|
if( CryptPlugWrapper::SigStatus_SYS_ERROR & statusFlags ){ |
|
result2 += i18n("A system error occurred."); |
|
// if a system error occurred |
|
// we cannot trust any information |
|
// that was given back by the plug-in |
|
showKeyInfos = false; |
|
frameColor = SIG_FRAME_COL_YELLOW; |
|
} |
|
if( CryptPlugWrapper::SigStatus_NUMERICAL_CODE & statusFlags ) { |
|
result2 += i18n("Internal system error #%1 occurred.") |
|
.arg( statusFlags - CryptPlugWrapper::SigStatus_NUMERICAL_CODE ); |
|
// if an unsupported internal error occurred |
|
// we cannot trust any information |
|
// that was given back by the plug-in |
|
showKeyInfos = false; |
|
frameColor = SIG_FRAME_COL_YELLOW; |
|
} |
|
|
|
// test for red: |
|
if( CryptPlugWrapper::SigStatus_KEY_REVOKED & statusFlags ){ |
|
// this is red! |
|
result2 += i18n("One key has been revoked."); |
|
frameColor = SIG_FRAME_COL_RED; |
|
} |
|
if( CryptPlugWrapper::SigStatus_RED & statusFlags ) { |
|
if( result2.isEmpty() ) |
|
// Note: |
|
// Here we are work differently than KMail did before! |
|
// |
|
// The BAD case ( == sig *not* matching ) |
|
// by definition does *not* show any key |
|
// information but just states that things are BAD. |
|
// |
|
// The reason for this: In this case ALL information |
|
// might be falsificated, we can NOT trust the data |
|
// in the body NOT the signature - so we don't show |
|
// any key/signature information at all! |
|
// (khz, according to LinuxTag 2002 meeting) |
|
showKeyInfos = false; |
|
frameColor = SIG_FRAME_COL_RED; |
|
} |
|
else |
|
result = ""; |
|
|
|
if( SIG_FRAME_COL_GREEN == frameColor ) { |
|
result = i18n("Good signature."); |
|
} else if( SIG_FRAME_COL_RED == frameColor ) { |
|
result = i18n("<b>Bad</b> signature."); |
|
} else |
|
result = ""; |
|
|
|
if( !result2.isEmpty() ) { |
|
if( !result.isEmpty() ) |
|
result.append("<br />"); |
|
result.append( result2 ); |
|
} |
|
} |
|
/* |
|
// add i18n support for 3rd party plug-ins here: |
|
else if (0 <= cryptPlug->libName().find( "yetanotherpluginname", 0, false )) { |
|
|
|
} |
|
*/ |
|
} |
|
return result; |
|
} |
|
|
|
|
|
QString ObjectTreeParser::writeSigstatHeader( PartMetaData & block, |
|
CryptPlugWrapper * cryptPlug, |
|
const QString & fromAddress, |
|
const QString & filename ) |
|
{ |
|
bool isSMIME = cryptPlug && cryptPlug->protocol() == "smime"; |
|
QString signer = block.signer; |
|
|
|
QString htmlStr; |
|
QString dir = ( QApplication::reverseLayout() ? "rtl" : "ltr" ); |
|
QString cellPadding("cellpadding=\"1\""); |
|
|
|
if( block.isEncapsulatedRfc822Message ) |
|
{ |
|
htmlStr += "<table cellspacing=\"1\" "+cellPadding+" class=\"rfc822\">" |
|
"<tr class=\"rfc822H\"><td dir=\"" + dir + "\">"; |
|
if( !filename.isEmpty() ) |
|
htmlStr += "<a href=\"" + QString("file:") |
|
+ KURL::encode_string( filename ) + "\">" |
|
+ i18n("Encapsulated message") + "</a>"; |
|
else |
|
htmlStr += i18n("Encapsulated message"); |
|
htmlStr += "</td></tr><tr class=\"rfc822B\"><td>"; |
|
} |
|
|
|
if( block.isEncrypted ) |
|
{ |
|
htmlStr += "<table cellspacing=\"1\" "+cellPadding+" class=\"encr\">" |
|
"<tr class=\"encrH\"><td dir=\"" + dir + "\">"; |
|
if( block.isDecryptable ) |
|
htmlStr += i18n("Encrypted message"); |
|
else { |
|
htmlStr += i18n("Encrypted message (decryption not possible)"); |
|
if( !block.errorText.isEmpty() ) |
|
htmlStr += "<br />" + i18n("Reason: %1").arg( block.errorText ); |
|
} |
|
htmlStr += "</td></tr><tr class=\"encrB\"><td>"; |
|
} |
|
|
|
if( block.isSigned ) { |
|
QStringList& blockAddrs( block.signerMailAddresses ); |
|
// note: At the moment frameColor and showKeyInfos are |
|
// used for CMS only but not for PGP signatures |
|
// pending(khz): Implement usage of these for PGP sigs as well. |
|
int frameColor = SIG_FRAME_COL_UNDEF; |
|
bool showKeyInfos; |
|
bool onlyShowKeyURL = false; |
|
bool cannotCheckSignature = true; |
|
QString statusStr = sigStatusToString( cryptPlug, |
|
block.status_code, |
|
block.sigStatusFlags, |
|
frameColor, |
|
showKeyInfos ); |
|
// if needed fallback to english status text |
|
// that was reported by the plugin |
|
if( statusStr.isEmpty() ) |
|
statusStr = block.status; |
|
if( block.technicalProblem ) |
|
frameColor = SIG_FRAME_COL_YELLOW; |
|
|
|
switch( frameColor ){ |
|
case SIG_FRAME_COL_RED: |
|
cannotCheckSignature = false; |
|
break; |
|
case SIG_FRAME_COL_YELLOW: |
|
cannotCheckSignature = true; |
|
break; |
|
case SIG_FRAME_COL_GREEN: |
|
cannotCheckSignature = false; |
|
break; |
|
} |
|
|
|
// compose the string for displaying the key ID |
|
// either as URL or not linked (for PGP) |
|
// note: Once we can start PGP key manager programs |
|
// from within KMail we could change this and |
|
// always show the URL. (khz, 2002/06/27) |
|
QString startKeyHREF; |
|
if( isSMIME ) |
|
startKeyHREF = |
|
QString("<a href=\"kmail:showCertificate#%1 ### %2 ### %3\">") |
|
.arg( cryptPlug->displayName() ) |
|
.arg( cryptPlug->libName() ) |
|
.arg( block.keyId ); |
|
QString keyWithWithoutURL |
|
= isSMIME |
|
? QString("%1%2</a>") |
|
.arg( startKeyHREF ) |
|
.arg( cannotCheckSignature ? i18n("[Details]") : ("0x" + block.keyId) ) |
|
: "0x" + QString::fromUtf8( block.keyId ); |
|
|
|
|
|
// temporary hack: always show key infos! |
|
showKeyInfos = true; |
|
|
|
// Sorry for using 'black' as null color but .isValid() |
|
// checking with QColor default c'tor did not work for |
|
// some reason. |
|
if( isSMIME && (SIG_FRAME_COL_UNDEF != frameColor) ) { |
|
|
|
// new frame settings for CMS: |
|
// beautify the status string |
|
if( !statusStr.isEmpty() ) { |
|
statusStr.prepend("<i>"); |
|
statusStr.append( "</i>"); |
|
} |
|
|
|
// special color handling: S/MIME uses only green/yellow/red. |
|
switch( frameColor ) { |
|
case SIG_FRAME_COL_RED: |
|
block.signClass = "signErr";//"signCMSRed"; |
|
onlyShowKeyURL = true; |
|
break; |
|
case SIG_FRAME_COL_YELLOW: |
|
if( block.technicalProblem ) |
|
block.signClass = "signWarn"; |
|
else |
|
block.signClass = "signOkKeyBad";//"signCMSYellow"; |
|
break; |
|
case SIG_FRAME_COL_GREEN: |
|
block.signClass = "signOkKeyOk";//"signCMSGreen"; |
|
// extra hint for green case |
|
// that email addresses in DN do not match fromAddress |
|
QString greenCaseWarning; |
|
QString msgFrom( KPIM::getEmailAddr(fromAddress) ); |
|
QString certificate; |
|
if( block.keyId.isEmpty() ) |
|
certificate = "certificate"; |
|
else |
|
certificate = QString("%1%2</a>") |
|
.arg( startKeyHREF ) |
|
.arg( "certificate" ); |
|
if( !blockAddrs.empty() ){ |
|
if( blockAddrs.grep( |
|
msgFrom, |
|
false ).isEmpty() ) { |
|
greenCaseWarning = |
|
"<u>" + |
|
i18n("Warning:") + |
|
"</u> " + |
|
i18n("Sender's mail address is not stored " |
|
"in the %1 used for signing.").arg(certificate) + |
|
"<br />" + |
|
i18n("sender: ") + |
|
msgFrom + |
|
"<br />" + |
|
i18n("stored: "); |
|
// We cannot use Qt's join() function here but |
|
// have to join the addresses manually to |
|
// extract the mail addresses (without '<''>') |
|
// before including it into our string: |
|
bool bStart = true; |
|
for(QStringList::ConstIterator it = blockAddrs.begin(); |
|
it != blockAddrs.end(); ++it ){ |
|
if( !bStart ) |
|
greenCaseWarning.append(", <br /> "); |
|
bStart = false; |
|
greenCaseWarning.append( KPIM::getEmailAddr(*it) ); |
|
} |
|
} |
|
} else { |
|
greenCaseWarning = |
|
"<u>" + |
|
i18n("Warning:") + |
|
"</u> " + |
|
i18n("No mail address is stored in the %1 used for signing, " |
|
"so we cannot compare it to the sender's address %2.") |
|
.arg(certificate) |
|
.arg(msgFrom); |
|
} |
|
if( !greenCaseWarning.isEmpty() ) { |
|
if( !statusStr.isEmpty() ) |
|
statusStr.append("<br /> <br />"); |
|
statusStr.append( greenCaseWarning ); |
|
} |
|
break; |
|
} |
|
|
|
htmlStr += "<table cellspacing=\"1\" "+cellPadding+" " |
|
"class=\"" + block.signClass + "\">" |
|
"<tr class=\"" + block.signClass + "H\"><td dir=\"" + dir + "\">"; |
|
if( block.technicalProblem ) { |
|
htmlStr += block.errorText; |
|
} |
|
else if( showKeyInfos ) { |
|
if( cannotCheckSignature ) { |
|
htmlStr += i18n( "Not enough information to check " |
|
"signature. %1" ) |
|
.arg( keyWithWithoutURL ); |
|
} |
|
else { |
|
|
|
if (block.signer.isEmpty()) |
|
signer = ""; |
|
else { |
|
if( !blockAddrs.empty() ){ |
|
QString address = KMMessage::encodeMailtoUrl( blockAddrs.first() ); |
|
signer = "<a href=\"mailto:" + address + "\">" + signer + "</a>"; |
|
} |
|
} |
|
|
|
if( block.keyId.isEmpty() ) { |
|
if( signer.isEmpty() || onlyShowKeyURL ) |
|
htmlStr += i18n( "Message was signed with unknown key." ); |
|
else |
|
htmlStr += i18n( "Message was signed by %1." ) |
|
.arg( signer ); |
|
} else { |
|
bool dateOK = ( 0 < block.creationTime.tm_year && |
|
block.creationTime.tm_year < 3000 ); |
|
QDateTime created; |
|
if ( dateOK ) |
|
created.setTime_t( mktime(&block.creationTime) ); |
|
if( dateOK && created.isValid() ) { |
|
if( signer.isEmpty() ) { |
|
if( onlyShowKeyURL ) |
|
htmlStr += i18n( "Message was signed with key %1." ) |
|
.arg( keyWithWithoutURL ); |
|
else |
|
htmlStr += i18n( "Message was signed on %1 with key %2." ) |
|
.arg( KGlobal::locale()->formatDateTime( created ) ) |
|
.arg( keyWithWithoutURL ); |
|
} |
|
else { |
|
if( onlyShowKeyURL ) |
|
htmlStr += i18n( "Message was signed with key %1." ) |
|
.arg( keyWithWithoutURL ); |
|
else |
|
htmlStr += i18n( "Message was signed by %3 on %1 with key %2" ) |
|
.arg( KGlobal::locale()->formatDateTime( created ) ) |
|
.arg( keyWithWithoutURL ) |
|
.arg( signer ); |
|
} |
|
} |
|
else { |
|
if( signer.isEmpty() || onlyShowKeyURL ) |
|
htmlStr += i18n( "Message was signed with key %1." ) |
|
.arg( keyWithWithoutURL ); |
|
else |
|
htmlStr += i18n( "Message was signed by %2 with key %1." ) |
|
.arg( keyWithWithoutURL ) |
|
.arg( signer ); |
|
} |
|
} |
|
} |
|
htmlStr += "<br />"; |
|
if( !statusStr.isEmpty() ) { |
|
htmlStr += " <br />"; |
|
htmlStr += i18n( "Status: " ); |
|
htmlStr += statusStr; |
|
} |
|
} else { |
|
htmlStr += statusStr; |
|
} |
|
htmlStr += "</td></tr><tr class=\"" + block.signClass + "B\"><td>"; |
|
|
|
} else { |
|
|
|
// old frame settings for PGP: |
|
|
|
if( block.signer.isEmpty() || block.technicalProblem ) { |
|
block.signClass = "signWarn"; |
|
htmlStr += "<table cellspacing=\"1\" "+cellPadding+" " |
|
"class=\"" + block.signClass + "\">" |
|
"<tr class=\"" + block.signClass + "H\"><td dir=\"" + dir + "\">"; |
|
if( block.technicalProblem ) { |
|
htmlStr += block.errorText; |
|
} |
|
else { |
|
if( !block.keyId.isEmpty() ) { |
|
bool dateOK = ( 0 < block.creationTime.tm_year && |
|
block.creationTime.tm_year < 3000 ); |
|
QDateTime created; |
|
if ( dateOK ) |
|
created.setTime_t( mktime(&block.creationTime) ); |
|
if( dateOK && created.isValid() ) |
|
htmlStr += i18n( "Message was signed on %1 with unknown key %2." ) |
|
.arg( KGlobal::locale()->formatDateTime( created ) ) |
|
.arg( keyWithWithoutURL ); |
|
else |
|
htmlStr += i18n( "Message was signed with unknown key %1." ) |
|
.arg( keyWithWithoutURL ); |
|
} |
|
else |
|
htmlStr += i18n( "Message was signed with unknown key." ); |
|
htmlStr += "<br />"; |
|
htmlStr += i18n( "The validity of the signature cannot be " |
|
"verified." ); |
|
if( !statusStr.isEmpty() ) { |
|
htmlStr += "<br />"; |
|
htmlStr += i18n( "Status: " ); |
|
htmlStr += "<i>"; |
|
htmlStr += statusStr; |
|
htmlStr += "</i>"; |
|
} |
|
} |
|
htmlStr += "</td></tr><tr class=\"" + block.signClass + "B\"><td>"; |
|
} |
|
else |
|
{ |
|
// HTMLize the signer's user id and create mailto: link |
|
signer = KMMessage::quoteHtmlChars( signer, true ); |
|
signer = "<a href=\"mailto:" + signer + "\">" + signer + "</a>"; |
|
|
|
if (block.isGoodSignature) { |
|
if( block.keyTrust < Kpgp::KPGP_VALIDITY_MARGINAL ) |
|
block.signClass = "signOkKeyBad"; |
|
else |
|
block.signClass = "signOkKeyOk"; |
|
htmlStr += "<table cellspacing=\"1\" "+cellPadding+" " |
|
"class=\"" + block.signClass + "\">" |
|
"<tr class=\"" + block.signClass + "H\"><td dir=\"" + dir + "\">"; |
|
if( !block.keyId.isEmpty() ) |
|
htmlStr += i18n( "Message was signed by %2 (Key ID: %1)." ) |
|
.arg( keyWithWithoutURL ) |
|
.arg( signer ); |
|
else |
|
htmlStr += i18n( "Message was signed by %1." ).arg( signer ); |
|
htmlStr += "<br />"; |
|
|
|
switch( block.keyTrust ) |
|
{ |
|
case Kpgp::KPGP_VALIDITY_UNKNOWN: |
|
htmlStr += i18n( "The signature is valid, but the key's " |
|
"validity is unknown." ); |
|
break; |
|
case Kpgp::KPGP_VALIDITY_MARGINAL: |
|
htmlStr += i18n( "The signature is valid and the key is " |
|
"marginally trusted." ); |
|
break; |
|
case Kpgp::KPGP_VALIDITY_FULL: |
|
htmlStr += i18n( "The signature is valid and the key is " |
|
"fully trusted." ); |
|
break; |
|
case Kpgp::KPGP_VALIDITY_ULTIMATE: |
|
htmlStr += i18n( "The signature is valid and the key is " |
|
"ultimately trusted." ); |
|
break; |
|
default: |
|
htmlStr += i18n( "The signature is valid, but the key is " |
|
"untrusted." ); |
|
} |
|
htmlStr += "</td></tr>" |
|
"<tr class=\"" + block.signClass + "B\"><td>"; |
|
} |
|
else |
|
{ |
|
block.signClass = "signErr"; |
|
htmlStr += "<table cellspacing=\"1\" "+cellPadding+" " |
|
"class=\"" + block.signClass + "\">" |
|
"<tr class=\"" + block.signClass + "H\"><td dir=\"" + dir + "\">"; |
|
if( !block.keyId.isEmpty() ) |
|
htmlStr += i18n( "Message was signed by %2 (Key ID: %1)." ) |
|
.arg( keyWithWithoutURL ) |
|
.arg( signer ); |
|
else |
|
htmlStr += i18n( "Message was signed by %1." ).arg( signer ); |
|
htmlStr += "<br />"; |
|
htmlStr += i18n("Warning: The signature is bad."); |
|
htmlStr += "</td></tr>" |
|
"<tr class=\"" + block.signClass + "B\"><td>"; |
|
} |
|
} |
|
} |
|
} |
|
|
|
return htmlStr; |
|
} |
|
|
|
QString ObjectTreeParser::writeSigstatFooter( PartMetaData& block ) |
|
{ |
|
QString dir = ( QApplication::reverseLayout() ? "rtl" : "ltr" ); |
|
|
|
QString htmlStr; |
|
|
|
if (block.isSigned) { |
|
htmlStr += "</td></tr><tr class=\"" + block.signClass + "H\">"; |
|
htmlStr += "<td dir=\"" + dir + "\">" + |
|
i18n( "End of signed message" ) + |
|
"</td></tr></table>"; |
|
} |
|
|
|
if (block.isEncrypted) { |
|
htmlStr += "</td></tr><tr class=\"encrH\"><td dir=\"" + dir + "\">" + |
|
i18n( "End of encrypted message" ) + |
|
"</td></tr></table>"; |
|
} |
|
|
|
if( block.isEncapsulatedRfc822Message ) |
|
{ |
|
htmlStr += "</td></tr><tr class=\"rfc822H\"><td dir=\"" + dir + "\">" + |
|
i18n( "End of encapsulated message" ) + |
|
"</td></tr></table>"; |
|
} |
|
|
|
return htmlStr; |
|
} |
|
|
|
//----------------------------------------------------------------------------- |
|
void ObjectTreeParser::writeBodyStr( const QCString& aStr, const QTextCodec *aCodec, |
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const QString& fromAddress ) |
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{ |
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KMMsgSignatureState dummy1; |
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KMMsgEncryptionState dummy2; |
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writeBodyStr( aStr, aCodec, fromAddress, dummy1, dummy2 ); |
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} |
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//----------------------------------------------------------------------------- |
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void ObjectTreeParser::writeBodyStr( const QCString& aStr, const QTextCodec *aCodec, |
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const QString& fromAddress, |
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KMMsgSignatureState& inlineSignatureState, |
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KMMsgEncryptionState& inlineEncryptionState ) |
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{ |
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bool goodSignature = false; |
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Kpgp::Module* pgp = Kpgp::Module::getKpgp(); |
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assert(pgp != 0); |
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bool isPgpMessage = false; // true if the message contains at least one |
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// PGP MESSAGE or one PGP SIGNED MESSAGE block |
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QString dir = ( QApplication::reverseLayout() ? "rtl" : "ltr" ); |
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QString headerStr = QString("<div dir=\"%1\">").arg(dir); |
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inlineSignatureState = KMMsgNotSigned; |
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inlineEncryptionState = KMMsgNotEncrypted; |
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QPtrList<Kpgp::Block> pgpBlocks; |
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QStrList nonPgpBlocks; |
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if( Kpgp::Module::prepareMessageForDecryption( aStr, pgpBlocks, nonPgpBlocks ) ) |
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{ |
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bool isEncrypted = false, isSigned = false; |
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bool fullySignedOrEncrypted = true; |
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bool firstNonPgpBlock = true; |
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bool couldDecrypt = false; |
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QString signer; |
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QCString keyId; |
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QString decryptionError; |
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Kpgp::Validity keyTrust = Kpgp::KPGP_VALIDITY_FULL; |
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QPtrListIterator<Kpgp::Block> pbit( pgpBlocks ); |
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QStrListIterator npbit( nonPgpBlocks ); |
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QString htmlStr; |
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for( ; *pbit != 0; ++pbit, ++npbit ) |
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{ |
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// insert the next Non-OpenPGP block |
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QCString str( *npbit ); |
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if( !str.isEmpty() ) { |
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htmlStr += quotedHTML( aCodec->toUnicode( str ) ); |
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kdDebug( 5006 ) << "Non-empty Non-OpenPGP block found: '" << str |
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<< "'" << endl; |
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// treat messages with empty lines before the first clearsigned |
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// block as fully signed/encrypted |
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if( firstNonPgpBlock ) { |
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// check whether str only consists of \n |
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for( QCString::ConstIterator c = str.begin(); *c; ++c ) { |
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if( *c != '\n' ) { |
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fullySignedOrEncrypted = false; |
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break; |
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} |
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} |
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} |
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else { |
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fullySignedOrEncrypted = false; |
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} |
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} |
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firstNonPgpBlock = false; |
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//htmlStr += "<br>"; |
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Kpgp::Block* block = *pbit; |
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if( ( block->type() == Kpgp::PgpMessageBlock && |
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// ### Workaround for bug 56693 |
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!kmkernel->contextMenuShown() ) || |
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( block->type() == Kpgp::ClearsignedBlock ) ) |
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{ |
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isPgpMessage = true; |
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if( block->type() == Kpgp::PgpMessageBlock ) |
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{ |
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if ( mReader ) |
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emit mReader->noDrag(); |
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// try to decrypt this OpenPGP block |
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couldDecrypt = block->decrypt(); |
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isEncrypted = block->isEncrypted(); |
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if (!couldDecrypt) { |
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decryptionError = pgp->lastErrorMsg(); |
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} |
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} |
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else |
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{ |
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// try to verify this OpenPGP block |
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block->verify(); |
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} |
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isSigned = block->isSigned(); |
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if( isSigned ) |
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{ |
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keyId = block->signatureKeyId(); |
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signer = block->signatureUserId(); |
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if( !signer.isEmpty() ) |
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{ |
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goodSignature = block->goodSignature(); |
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if( !keyId.isEmpty() ) { |
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keyTrust = pgp->keyTrust( keyId ); |
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Kpgp::Key* key = pgp->publicKey( keyId ); |
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if ( key ) { |
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// Use the user ID from the key because this one |
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// is charset safe. |
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signer = key->primaryUserID(); |
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} |
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} |
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else |
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// This is needed for the PGP 6 support because PGP 6 doesn't |
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// print the key id of the signing key if the key is known. |
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keyTrust = pgp->keyTrust( signer ); |
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} |
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} |
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if( isSigned ) |
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inlineSignatureState = KMMsgPartiallySigned; |
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if( isEncrypted ) |
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inlineEncryptionState = KMMsgPartiallyEncrypted; |
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PartMetaData messagePart; |
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messagePart.isSigned = isSigned; |
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messagePart.technicalProblem = false; |
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messagePart.isGoodSignature = goodSignature; |
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messagePart.isEncrypted = isEncrypted; |
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messagePart.isDecryptable = couldDecrypt; |
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messagePart.decryptionError = decryptionError; |
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messagePart.signer = signer; |
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messagePart.keyId = keyId; |
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messagePart.keyTrust = keyTrust; |
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htmlStr += writeSigstatHeader( messagePart, 0, fromAddress ); |
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htmlStr += quotedHTML( aCodec->toUnicode( block->text() ) ); |
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htmlStr += writeSigstatFooter( messagePart ); |
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} |
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else // block is neither message block nor clearsigned block |
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htmlStr += quotedHTML( aCodec->toUnicode( block->text() ) ); |
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} |
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// add the last Non-OpenPGP block |
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QCString str( nonPgpBlocks.last() ); |
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if( !str.isEmpty() ) { |
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htmlStr += quotedHTML( aCodec->toUnicode( str ) ); |
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// Even if the trailing Non-OpenPGP block isn't empty we still |
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// consider the message part fully signed/encrypted because else |
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// all inline signed mailing list messages would only be partially |
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// signed because of the footer which is often added by the mailing |
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// list software. IK, 2003-02-15 |
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} |
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if( fullySignedOrEncrypted ) { |
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if( inlineSignatureState == KMMsgPartiallySigned ) |
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inlineSignatureState = KMMsgFullySigned; |
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if( inlineEncryptionState == KMMsgPartiallyEncrypted ) |
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inlineEncryptionState = KMMsgFullyEncrypted; |
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} |
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htmlWriter()->queue( htmlStr ); |
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} |
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else |
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htmlWriter()->queue( quotedHTML( aCodec->toUnicode( aStr ) ) ); |
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} |
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QString ObjectTreeParser::quotedHTML(const QString& s) |
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{ |
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assert( mReader ); |
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assert( cssHelper() ); |
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QString htmlStr; |
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const QString normalStartTag = cssHelper()->nonQuotedFontTag(); |
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QString quoteFontTag[3]; |
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for ( int i = 0 ; i < 3 ; ++i ) |
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quoteFontTag[i] = cssHelper()->quoteFontTag( i ); |
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const QString normalEndTag = "</div>"; |
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const QString quoteEnd = "</div>"; |
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unsigned int pos, beg; |
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const unsigned int length = s.length(); |
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// skip leading empty lines |
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for ( pos = 0; pos < length && s[pos] <= ' '; pos++ ); |
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while (pos > 0 && (s[pos-1] == ' ' || s[pos-1] == '\t')) pos--; |
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beg = pos; |
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int currQuoteLevel = -2; // -2 == no previous lines |
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while (beg<length) |
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{ |
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QString line; |
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/* search next occurrence of '\n' */ |
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pos = s.find('\n', beg, FALSE); |
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if (pos == (unsigned int)(-1)) |
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pos = length; |
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line = s.mid(beg,pos-beg); |
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beg = pos+1; |
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/* calculate line's current quoting depth */ |
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int actQuoteLevel = -1; |
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for (unsigned int p=0; p<line.length(); p++) { |
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switch (line[p].latin1()) { |
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case '>': |
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case '|': |
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actQuoteLevel++; |
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break; |
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case ' ': // spaces and tabs are allowed between the quote markers |
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case '\t': |
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case '\r': |
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break; |
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default: // stop quoting depth calculation |
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p = line.length(); |
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break; |
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} |
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} /* for() */ |
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if ( actQuoteLevel != currQuoteLevel ) { |
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/* finish last quotelevel */ |
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if (currQuoteLevel == -1) |
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htmlStr.append( normalEndTag ); |
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else if (currQuoteLevel >= 0) |
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htmlStr.append( quoteEnd ); |
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/* start new quotelevel */ |
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currQuoteLevel = actQuoteLevel; |
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if (actQuoteLevel == -1) |
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htmlStr += normalStartTag; |
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else |
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htmlStr += quoteFontTag[currQuoteLevel%3]; |
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} |
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// don't write empty <div ...></div> blocks (they have zero height) |
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// ignore ^M DOS linebreaks |
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if( !line.replace('\015', "").isEmpty() ) |
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{ |
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if( line.isRightToLeft() ) |
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htmlStr += QString( "<div dir=\"rtl\">" ); |
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else |
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htmlStr += QString( "<div dir=\"ltr\">" ); |
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htmlStr += LinkLocator::convertToHtml( line, true /* preserve blanks */); |
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htmlStr += QString( "</div>" ); |
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} |
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else |
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htmlStr += "<br>"; |
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} /* while() */ |
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/* really finish the last quotelevel */ |
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if (currQuoteLevel == -1) |
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htmlStr.append( normalEndTag ); |
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else |
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htmlStr.append( quoteEnd ); |
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//kdDebug(5006) << "KMReaderWin::quotedHTML:\n" |
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// << "========================================\n" |
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// << htmlStr |
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// << "\n======================================\n"; |
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return htmlStr; |
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} |
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const QTextCodec * ObjectTreeParser::codecFor( partNode * node ) const { |
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assert( node ); |
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if ( mReader && mReader->overrideCodec() ) |
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return mReader->overrideCodec(); |
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return node->msgPart().codec(); |
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} |
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#ifdef MARCS_DEBUG |
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void ObjectTreeParser::dumpToFile( const char * filename, const char * start, |
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size_t len ) { |
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assert( filename ); |
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QFile f( filename ); |
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if ( f.open( IO_WriteOnly ) ) { |
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if ( start ) { |
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QDataStream ds( &f ); |
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ds.writeRawBytes( start, len ); |
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} |
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f.close(); // If data is 0 we just create a zero length file. |
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} |
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} |
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#endif // !NDEBUG |
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} // namespace KMail
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