kmail Library API Documentation

objecttreeparser.h

00001 /*  -*- mode: C++; c-file-style: "gnu" -*-
00002     objecttreeparser.h
00003 
00004     This file is part of KMail, the KDE mail client.
00005     Copyright (c) 2002-2003 Klarälvdalens Datakonsult AB
00006     Copyright (c) 2003      Marc Mutz <mutz@kde.org>
00007 
00008     KMail is free software; you can redistribute it and/or modify it
00009     under the terms of the GNU General Public License, version 2, as
00010     published by the Free Software Foundation.
00011 
00012     KMail is distributed in the hope that it will be useful, but
00013     WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     General Public License for more details.
00016 
00017     You should have received a copy of the GNU General Public License
00018     along with this program; if not, write to the Free Software
00019     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020 
00021     In addition, as a special exception, the copyright holders give
00022     permission to link the code of this program with any edition of
00023     the Qt library by Trolltech AS, Norway (or with modified versions
00024     of Qt that use the same license as Qt), and distribute linked
00025     combinations including the two.  You must obey the GNU General
00026     Public License in all respects for all of the code used other than
00027     Qt.  If you modify this file, you may extend this exception to
00028     your version of the file, but you are not obligated to do so.  If
00029     you do not wish to do so, delete this exception statement from
00030     your version.
00031 */
00032 
00033 #ifndef _KMAIL_OBJECTTREEPARSER_H_
00034 #define _KMAIL_OBJECTTREEPARSER_H_
00035 
00036 #include "kmmsgbase.h"
00037 
00038 #include <cryptplugwrapper.h>
00039 #include <qcstring.h>
00040 
00041 class KMReaderWin;
00042 class KMMessagePart;
00043 class QString;
00044 class QWidget;
00045 class partNode;
00046 
00047 namespace KMail {
00048 
00049   class AttachmentStrategy;
00050   class HtmlWriter;
00051   class PartMetaData;
00052   class CSSHelper;
00053 
00054   class ProcessResult {
00055   public:
00056     ProcessResult( KMMsgSignatureState  inlineSignatureState  = KMMsgNotSigned,
00057                    KMMsgEncryptionState inlineEncryptionState = KMMsgNotEncrypted,
00058            bool neverDisplayInline = false,
00059                    bool isImage = false )
00060       : mInlineSignatureState( inlineSignatureState ),
00061     mInlineEncryptionState( inlineEncryptionState ),
00062     mNeverDisplayInline( neverDisplayInline ),
00063     mIsImage( isImage ) {}
00064 
00065     KMMsgSignatureState inlineSignatureState() const {
00066       return mInlineSignatureState;
00067     }
00068     void setInlineSignatureState( KMMsgSignatureState state ) {
00069       mInlineSignatureState = state;
00070     }
00071 
00072     KMMsgEncryptionState inlineEncryptionState() const {
00073       return mInlineEncryptionState;
00074     }
00075     void setInlineEncryptionState( KMMsgEncryptionState state ) {
00076       mInlineEncryptionState = state;
00077     }
00078 
00079     bool neverDisplayInline() const { return mNeverDisplayInline; }
00080     void setNeverDisplayInline( bool display ) {
00081       mNeverDisplayInline = display;
00082     }
00083 
00084     bool isImage() const { return mIsImage; }
00085     void setIsImage( bool image ) {
00086       mIsImage = image;
00087     }
00088 
00089     void adjustCryptoStatesOfNode( partNode * node ) const;
00090 
00091   private:
00092     KMMsgSignatureState mInlineSignatureState;
00093     KMMsgEncryptionState mInlineEncryptionState;
00094     bool mNeverDisplayInline : 1;
00095     bool mIsImage : 1;
00096   };
00097 
00098   class ObjectTreeParser {
00099     class CryptPlugWrapperSaver;
00102     ObjectTreeParser( const ObjectTreeParser & other );
00103   public:
00104     ObjectTreeParser( KMReaderWin * reader=0, CryptPlugWrapper * wrapper=0,
00105               bool showOneMimePart=false, bool keepEncryptions=false,
00106               bool includeSignatures=true,
00107               const KMail::AttachmentStrategy * attachmentStrategy=0,
00108               KMail::HtmlWriter * htmlWriter=0,
00109               KMail::CSSHelper * cssHelper=0 );
00110     virtual ~ObjectTreeParser();
00111 
00112     QCString rawReplyString() const { return mRawReplyString; }
00113 
00116     QString textualContent() const { return mTextualContent; }
00117 
00118     QCString textualContentCharset() const { return mTextualContentCharset; }
00119 
00120     void setCryptPlugWrapper( CryptPlugWrapper * wrapper ) {
00121       mCryptPlugWrapper = wrapper;
00122     }
00123     CryptPlugWrapper * cryptPlugWrapper() const {
00124       return mCryptPlugWrapper;
00125     }
00126 
00127     bool showOnlyOneMimePart() const { return mShowOnlyOneMimePart; }
00128     void setShowOnlyOneMimePart( bool show ) {
00129       mShowOnlyOneMimePart = show;
00130     }
00131 
00132     bool keepEncryptions() const { return mKeepEncryptions; }
00133     void setKeepEncryptions( bool keep ) {
00134       mKeepEncryptions = keep;
00135     }
00136 
00137     bool includeSignatures() const { return mIncludeSignatures; }
00138     void setIncludeSignatures( bool include ) {
00139       mIncludeSignatures = include;
00140     }
00141 
00142     const KMail::AttachmentStrategy * attachmentStrategy() const {
00143       return mAttachmentStrategy;
00144     }
00145 
00146     KMail::HtmlWriter * htmlWriter() const { return mHtmlWriter; }
00147 
00148     KMail::CSSHelper * cssHelper() const { return mCSSHelper; }
00149 
00152     //  Function is called internally by "parseMsg(KMMessage* msg)"
00153     //  and it will be replaced once KMime is alive.
00154     void parseObjectTree( partNode * node );
00155 
00156   private:
00159     void stdChildHandling( partNode * child );
00160 
00161     void defaultHandling( partNode * node, ProcessResult & result );
00162 
00168     //  Function will be replaced once KMime is alive.
00169     void insertAndParseNewChildNode( partNode & node,
00170                      const char * content,
00171                      const char * cntDesc,
00172                      bool append=false );
00183     bool writeOpaqueOrMultipartSignedData( partNode * data,
00184                        partNode & sign,
00185                        const QString & fromAddress,
00186                        bool doCheck=true,
00187                        QCString * cleartextData=0,
00188                        CryptPlug::SignatureMetaData * paramSigMeta=0,
00189                        bool hideErrors=false );
00190 
00193     bool okDecryptMIME( partNode& data,
00194             QCString& decryptedData,
00195             bool& signatureFound,
00196             CryptPlug::SignatureMetaData& sigMeta,
00197             bool showWarning,
00198                         bool& passphraseError,
00199                         bool& wrongKeyUsage,
00200             QString& aErrorText );
00201 
00202     bool processMailmanMessage( partNode * node );
00203 
00204   public:// for BodyPartFormatter (during refactoring)
00205 
00206     bool processTextHtmlSubtype( partNode * node, ProcessResult & result );
00207     bool processTextPlainSubtype( partNode * node, ProcessResult & result );
00208 
00209     bool processMultiPartMixedSubtype( partNode * node, ProcessResult & result );
00210     bool processMultiPartAlternativeSubtype( partNode * node, ProcessResult & result );
00211     bool processMultiPartDigestSubtype( partNode * node, ProcessResult & result );
00212     bool processMultiPartParallelSubtype( partNode * node, ProcessResult & result );
00213     bool processMultiPartSignedSubtype( partNode * node, ProcessResult & result );
00214     bool processMultiPartEncryptedSubtype( partNode * node, ProcessResult & result );
00215 
00216     bool processMessageRfc822Subtype( partNode * node, ProcessResult & result );
00217 
00218     bool processApplicationOctetStreamSubtype( partNode * node, ProcessResult & result );
00219     bool processApplicationPkcs7MimeSubtype( partNode * node, ProcessResult & result );
00220 #ifdef KLEO_CHIASMUS
00221     bool processApplicationChiasmusTextSubtype( partNode * node, ProcessResult & result );
00222 #endif
00223 
00224   private:
00225 #ifdef KLEO_CHIASMUS
00226     bool decryptChiasmus( const QByteArray& data, QByteArray& bodyDecoded, QString& errorText );
00227 #endif
00228     void writeBodyString( const QCString & bodyString,
00229               const QString & fromAddress,
00230               const QTextCodec * codec,
00231               ProcessResult & result );
00232 
00233     void writePartIcon( KMMessagePart * msgPart, int partNumber, bool inlineImage=false );
00234 
00235     QString sigStatusToString( CryptPlugWrapper * cryptPlug,
00236                    int status_code,
00237                    CryptPlugWrapper::SigStatusFlags statusFlags,
00238                    int & frameColor,
00239                    bool & showKeyInfos );
00240     QString writeSigstatHeader( KMail::PartMetaData & part,
00241                 CryptPlugWrapper * cryptPlug,
00242                 const QString & fromAddress,
00243                                 const QString & filename = QString::null );
00244     QString writeSigstatFooter( KMail::PartMetaData & part );
00245 
00246     void writeBodyStr( const QCString & bodyString,
00247                const QTextCodec * aCodec,
00248                const QString & fromAddress,
00249                KMMsgSignatureState &  inlineSignatureState,
00250                KMMsgEncryptionState & inlineEncryptionState );
00251   public: // KMReaderWin still needs this...
00252     void writeBodyStr( const QCString & bodyString,
00253                const QTextCodec * aCodec,
00254                const QString & fromAddress );
00255 
00256   private:
00259     QString quotedHTML(const QString& pos);
00260 
00261     const QTextCodec * codecFor( partNode * node ) const;
00262 
00263 #ifdef MARCS_DEBUG
00264     void dumpToFile( const char * filename, const char * dataStart, size_t dataLen );
00265 #else
00266     void dumpToFile( const char *, const char *, size_t ) {}
00267 #endif
00268 
00269   private:
00270     KMReaderWin * mReader;
00271     QCString mRawReplyString;
00272     QCString mTextualContentCharset;
00273     QString mTextualContent;
00274     CryptPlugWrapper * mCryptPlugWrapper;
00275     bool mShowOnlyOneMimePart;
00276     bool mKeepEncryptions;
00277     bool mIncludeSignatures;
00278     const KMail::AttachmentStrategy * mAttachmentStrategy;
00279     KMail::HtmlWriter * mHtmlWriter;
00280     KMail::CSSHelper * mCSSHelper;
00281   };
00282 
00283 } // namespace KMail
00284 
00285 #endif // _KMAIL_OBJECTTREEPARSER_H_
00286 
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This file is part of the documentation for kmail Library Version 3.3.2.
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