/* -*- c++ -*- partNode.cpp A node in a MIME tree. This file is part of KMail, the KDE mail client. Copyright (c) 2002 Klarälvdalens Datakonsult AB KMail is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2, as published by the Free Software Foundation. KMail is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA In addition, as a special exception, the copyright holders give permission to link the code of this program with any edition of the TQt library by Trolltech AS, Norway (or with modified versions of TQt that use the same license as TQt), and distribute linked combinations including the two. You must obey the GNU General Public License in all respects for all of the code used other than TQt. If you modify this file, you may extend this exception to your version of the file, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ #include #include "partNode.h" #include "kmreaderwin.h" #include #include #include "kmmimeparttree.h" #include #include #include #include "util.h" /* =========================================================================== S T A R T O F T E M P O R A R Y M I M E C O D E =========================================================================== N O T E : The partNode structure will most likely be replaced by KMime. It's purpose: Speed optimization for KDE 3. (khz, 28.11.01) =========================================================================== */ partNode::partNode() : mRoot( 0 ), mNext( 0 ), mChild( 0 ), mWasProcessed( false ), mDwPart( 0 ), mType( DwMime::kTypeUnknown ), mSubType( DwMime::kSubtypeUnknown ), mEncryptionState( KMMsgNotEncrypted ), mSignatureState( KMMsgNotSigned ), mMsgPartOk( false ), mEncodedOk( false ), mDeleteDwBodyPart( false ), mMimePartTreeItem( 0 ), mBodyPartMementoMap(), mReader( 0 ), mDisplayedEmbedded( false ) { adjustDefaultType( this ); } partNode::partNode( KMReaderWin * win, DwBodyPart* dwPart, int explicitType, int explicitSubType, bool deleteDwBodyPart ) : mRoot( 0 ), mNext( 0 ), mChild( 0 ), mWasProcessed( false ), mDwPart( dwPart ), mEncryptionState( KMMsgNotEncrypted ), mSignatureState( KMMsgNotSigned ), mMsgPartOk( false ), mEncodedOk( false ), mDeleteDwBodyPart( deleteDwBodyPart ), mMimePartTreeItem( 0 ), mBodyPartMementoMap(), mReader( win ), mDisplayedEmbedded( false ), mDisplayedHidden( false ) { if ( explicitType != DwMime::kTypeUnknown ) { mType = explicitType; // this happens e.g. for the Root Node mSubType = explicitSubType; // representing the _whole_ message } else { if(dwPart && dwPart->hasHeaders() && dwPart->Headers().HasContentType()) { mType = (!dwPart->Headers().ContentType().Type())?DwMime::kTypeUnknown:dwPart->Headers().ContentType().Type(); mSubType = dwPart->Headers().ContentType().Subtype(); } else { mType = DwMime::kTypeUnknown; mSubType = DwMime::kSubtypeUnknown; } } } partNode * partNode::fromMessage( const KMMessage * msg, KMReaderWin * win ) { if ( !msg ) return 0; int mainType = msg->type(); int mainSubType = msg->subtype(); if( (DwMime::kTypeNull == mainType) || (DwMime::kTypeUnknown == mainType) ){ mainType = DwMime::kTypeText; mainSubType = DwMime::kSubtypePlain; } // we don't want to treat the top-level part special. mimelib does // (Message vs. BodyPart, with common base class Entity). But we // used DwBodyPart, not DwEntiy everywhere. *shrug*. DwStrings are // subscrib-shared, so we just force mimelib to parse the whole mail // as just another DwBodyPart... DwBodyPart * mainBody = new DwBodyPart( *msg->getTopLevelPart() ); partNode * root = new partNode( win, mainBody, mainType, mainSubType, true ); root->buildObjectTree(); root->setFromAddress( msg->from() ); //root->dump(); return root; } partNode::partNode( bool deleteDwBodyPart, DwBodyPart* dwPart ) : mRoot( 0 ), mNext( 0 ), mChild( 0 ), mWasProcessed( false ), mDwPart( dwPart ), mEncryptionState( KMMsgNotEncrypted ), mSignatureState( KMMsgNotSigned ), mMsgPartOk( false ), mEncodedOk( false ), mDeleteDwBodyPart( deleteDwBodyPart ), mMimePartTreeItem( 0 ), mBodyPartMementoMap(), mReader( 0 ), mDisplayedEmbedded( false ) { if ( dwPart && dwPart->hasHeaders() && dwPart->Headers().HasContentType() ) { mType = (!dwPart->Headers().ContentType().Type())?DwMime::kTypeUnknown:dwPart->Headers().ContentType().Type(); mSubType = dwPart->Headers().ContentType().Subtype(); } else { mType = DwMime::kTypeUnknown; mSubType = DwMime::kSubtypeUnknown; } } partNode::~partNode() { if( mDeleteDwBodyPart ) delete mDwPart; mDwPart = 0; delete mChild; mChild = 0; delete mNext; mNext = 0; for ( std::map::const_iterator it = mBodyPartMementoMap.begin(), end = mBodyPartMementoMap.end() ; it != end ; ++it ) delete it->second; mBodyPartMementoMap.clear(); } #ifndef NDEBUG void partNode::dump( int chars ) const { kdDebug(5006) << nodeId() << " " << TQString(TQString().fill( ' ', chars )) << "+ " << typeString() << '/' << subTypeString() << " embedded:" << mDisplayedEmbedded << " address:" << this << endl; if ( mChild ) mChild->dump( chars + 1 ); if ( mNext ) mNext->dump( chars ); } #else void partNode::dump( int ) const {} #endif const TQCString & partNode::encodedBody() { if ( mEncodedOk ) return mEncodedBody; if ( mDwPart ) mEncodedBody = KMail::Util::CString( mDwPart->Body().AsString() ); else mEncodedBody = 0; mEncodedOk = true; return mEncodedBody; } void partNode::buildObjectTree( bool processSiblings ) { partNode* curNode = this; while( curNode && curNode->dwPart() ) { //dive into multipart messages while( DwMime::kTypeMultipart == curNode->type() ) { partNode * newNode = new partNode( mReader, curNode->dwPart()->Body().FirstBodyPart() ); curNode->setFirstChild( newNode ); curNode = newNode; } // go up in the tree until reaching a node with next // (or the last top-level node) while( curNode && !( curNode->dwPart() && curNode->dwPart()->Next() ) ) { curNode = curNode->mRoot; } // we might have to leave when all children have been processed if( this == curNode && !processSiblings ) return; // store next node if( curNode && curNode->dwPart() && curNode->dwPart()->Next() ) { partNode* nextNode = new partNode( mReader, curNode->dwPart()->Next() ); curNode->setNext( nextNode ); curNode = nextNode; } else curNode = 0; } } TQCString partNode::typeString() const { DwString s; DwTypeEnumToStr( type(), s ); return s.c_str(); } TQCString partNode::subTypeString() const { DwString s; DwSubtypeEnumToStr( subType(), s ); return s.c_str(); } const partNode* partNode::topLevelParent() const { const partNode *ret = this; while ( ret->parentNode() ) ret = ret->parentNode(); return ret; } int partNode::childCount() const { int count = 0; for ( partNode * child = firstChild() ; child ; child = child->nextSibling() ) ++ count; return count; } int partNode::totalChildCount() const { int count = 0; for ( partNode * child = firstChild() ; child ; child = child->nextSibling() ) { ++count; count += child->totalChildCount(); } return count; } TQString partNode::contentTypeParameter( const char * name ) const { if ( !mDwPart || !mDwPart->hasHeaders() ) return TQString(); DwHeaders & headers = mDwPart->Headers(); if ( !headers.HasContentType() ) return TQString(); DwString attr = name; attr.ConvertToLowerCase(); for ( DwParameter * param = headers.ContentType().FirstParameter() ; param ; param = param->Next() ) { DwString this_attr = param->Attribute(); this_attr.ConvertToLowerCase(); // what a braindead design! if ( this_attr == attr ) return TQString::fromLatin1( param->Value().data(), param->Value().size() ); // warning: misses rfc2231 handling! } return TQString(); } KMMsgEncryptionState partNode::overallEncryptionState() const { KMMsgEncryptionState myState = KMMsgEncryptionStateUnknown; if( mEncryptionState == KMMsgNotEncrypted ) { // NOTE: children are tested ONLY when parent is not encrypted if( mChild ) myState = mChild->overallEncryptionState(); else myState = KMMsgNotEncrypted; } else { // part is partially or fully encrypted myState = mEncryptionState; } // siblings are tested always if( mNext ) { KMMsgEncryptionState otherState = mNext->overallEncryptionState(); switch( otherState ) { case KMMsgEncryptionStateUnknown: break; case KMMsgNotEncrypted: if( myState == KMMsgFullyEncrypted ) myState = KMMsgPartiallyEncrypted; else if( myState != KMMsgPartiallyEncrypted ) myState = KMMsgNotEncrypted; break; case KMMsgPartiallyEncrypted: myState = KMMsgPartiallyEncrypted; break; case KMMsgFullyEncrypted: if( myState != KMMsgFullyEncrypted ) myState = KMMsgPartiallyEncrypted; break; case KMMsgEncryptionProblematic: break; } } return myState; } KMMsgSignatureState partNode::overallSignatureState() const { KMMsgSignatureState myState = KMMsgSignatureStateUnknown; if( mSignatureState == KMMsgNotSigned ) { // children are tested ONLY when parent is not signed if( mChild ) myState = mChild->overallSignatureState(); else myState = KMMsgNotSigned; } else { // part is partially or fully signed myState = mSignatureState; } // siblings are tested always if( mNext ) { KMMsgSignatureState otherState = mNext->overallSignatureState(); switch( otherState ) { case KMMsgSignatureStateUnknown: break; case KMMsgNotSigned: if( myState == KMMsgFullySigned ) myState = KMMsgPartiallySigned; else if( myState != KMMsgPartiallySigned ) myState = KMMsgNotSigned; break; case KMMsgPartiallySigned: myState = KMMsgPartiallySigned; break; case KMMsgFullySigned: if( myState != KMMsgFullySigned ) myState = KMMsgPartiallySigned; break; case KMMsgEncryptionProblematic: break; } } return myState; } TQCString partNode::path() const { if ( !parentNode() ) return ':'; const partNode * p = parentNode(); // count number of siblings with the same type as us: int nth = 0; for ( const partNode * c = p->firstChild() ; c != this ; c = c->nextSibling() ) if ( c->type() == type() && c->subType() == subType() ) ++nth; return p->path() + TQCString().sprintf( ":%X/%X[%X]", type(), subType(), nth ); } int partNode::nodeId() const { int curId = 0; partNode* rootNode = const_cast( this ); while( rootNode->mRoot ) rootNode = rootNode->mRoot; return rootNode->calcNodeIdOrFindNode( curId, this, 0, 0 ); } partNode* partNode::findId( int id ) { int curId = 0; partNode* rootNode = this; while( rootNode->mRoot ) rootNode = rootNode->mRoot; partNode* foundNode; rootNode->calcNodeIdOrFindNode( curId, 0, id, &foundNode ); return foundNode; } int partNode::calcNodeIdOrFindNode( int &curId, const partNode* findNode, int findId, partNode** foundNode ) { // We use the same algorithm to determine the id of a node and // to find the node when id is known. curId++; // check for node ? if( findNode && this == findNode ) return curId; // check for id ? if( foundNode && curId == findId ) { *foundNode = this; return curId; } if( mChild ) { int res = mChild->calcNodeIdOrFindNode( curId, findNode, findId, foundNode ); if (res != -1) return res; } if( mNext ) return mNext->calcNodeIdOrFindNode( curId, findNode, findId, foundNode ); if( foundNode ) *foundNode = 0; return -1; } partNode* partNode::findType( int type, int subType, bool deep, bool wide ) { if( (mType != DwMime::kTypeUnknown) && ( (type == DwMime::kTypeUnknown) || (type == mType) ) && ( (subType == DwMime::kSubtypeUnknown) || (subType == mSubType) ) ) return this; if ( mChild && deep ) return mChild->findType( type, subType, deep, wide ); if ( mNext && wide ) return mNext->findType( type, subType, deep, wide ); return 0; } partNode* partNode::findNodeForDwPart( DwBodyPart* part ) { partNode* found = 0; if( kasciistricmp( dwPart()->partId(), part->partId() ) == 0 ) return this; if( mChild ) found = mChild->findNodeForDwPart( part ); if( mNext && !found ) found = mNext->findNodeForDwPart( part ); return found; } partNode* partNode::findTypeNot( int type, int subType, bool deep, bool wide ) { if( (mType != DwMime::kTypeUnknown) && ( (type == DwMime::kTypeUnknown) || (type != mType) ) && ( (subType == DwMime::kSubtypeUnknown) || (subType != mSubType) ) ) return this; if ( mChild && deep ) return mChild->findTypeNot( type, subType, deep, wide ); if ( mNext && wide ) return mNext->findTypeNot( type, subType, deep, wide ); return 0; } void partNode::fillMimePartTree( KMMimePartTreeItem* parentItem, KMMimePartTree* mimePartTree, TQString labelDescr, TQString labelCntType, TQString labelEncoding, TDEIO::filesize_t size, bool revertOrder ) { if( parentItem || mimePartTree ) { if( mNext ) mNext->fillMimePartTree( parentItem, mimePartTree, TQString(), TQString(), TQString(), 0, revertOrder ); TQString cntDesc, cntType, cntEnc; TDEIO::filesize_t cntSize = 0; if( labelDescr.isEmpty() ) { DwHeaders* headers = 0; if( mDwPart && mDwPart->hasHeaders() ) headers = &mDwPart->Headers(); if( headers && headers->HasSubject() ) cntDesc = KMMsgBase::decodeRFC2047String( headers->Subject().AsString().c_str() ); if( headers && headers->HasContentType()) { cntType = headers->ContentType().TypeStr().c_str(); cntType += '/'; cntType += headers->ContentType().SubtypeStr().c_str(); } else cntType = "text/plain"; if( cntDesc.isEmpty() ) cntDesc = msgPart().name().stripWhiteSpace(); if( cntDesc.isEmpty() ) cntDesc = msgPart().fileName(); if( cntDesc.isEmpty() ) cntDesc = msgPart().contentDescription(); if( cntDesc.isEmpty() ) { if( mRoot && mRoot->mRoot ) cntDesc = i18n("internal part"); else cntDesc = i18n("body part"); } cntEnc = msgPart().contentTransferEncodingStr(); if( mDwPart ) cntSize = mDwPart->BodySize(); } else { cntDesc = labelDescr; cntType = labelCntType; cntEnc = labelEncoding; cntSize = size; } // remove linebreak+whitespace from folded Content-Description cntDesc.replace( TQRegExp("\\n\\s*"), " " ); if( parentItem ) mMimePartTreeItem = new KMMimePartTreeItem( parentItem, this, cntDesc, cntType, cntEnc, cntSize, revertOrder ); else if( mimePartTree ) mMimePartTreeItem = new KMMimePartTreeItem( mimePartTree, this, cntDesc, cntType, cntEnc, cntSize ); mMimePartTreeItem->setOpen( true ); if( mChild ) mChild->fillMimePartTree( mMimePartTreeItem, 0, TQString(), TQString(), TQString(), 0, revertOrder ); } } void partNode::adjustDefaultType( partNode* node ) { // Only bodies of 'Multipart/Digest' objects have // default type 'Message/RfC822'. All other bodies // have default type 'Text/Plain' (khz, 5.12.2001) if( node && DwMime::kTypeUnknown == node->type() ) { if( node->mRoot && DwMime::kTypeMultipart == node->mRoot->type() && DwMime::kSubtypeDigest == node->mRoot->subType() ) { node->setType( DwMime::kTypeMessage ); node->setSubType( DwMime::kSubtypeRfc822 ); } else { node->setType( DwMime::kTypeText ); node->setSubType( DwMime::kSubtypePlain ); } } } bool partNode::isAttachment() const { if( !dwPart() ) return false; if ( !dwPart()->hasHeaders() ) return false; DwHeaders& headers = dwPart()->Headers(); if ( headers.HasContentType() && headers.ContentType().Type() == DwMime::kTypeMessage && headers.ContentType().Subtype() == DwMime::kSubtypeRfc822 ) { // Messages are always attachments. Normally message attachments created from KMail have a content // disposition, but some mail clients omit that. return true; } if( !headers.HasContentDisposition() ) return false; return ( headers.ContentDisposition().DispositionType() == DwMime::kDispTypeAttachment ); } bool partNode::isHeuristicalAttachment() const { if ( isAttachment() ) return true; const KMMessagePart & p = msgPart(); return !p.fileName().isEmpty() || !p.name().isEmpty() ; } partNode * partNode::next( bool allowChildren ) const { if ( allowChildren ) if ( partNode * c = firstChild() ) return c; if ( partNode * s = nextSibling() ) return s; for ( partNode * p = parentNode() ; p ; p = p->parentNode() ) if ( partNode * s = p->nextSibling() ) return s; return 0; } bool partNode::isFirstTextPart() const { if ( type() != DwMime::kTypeText ) return false; const partNode * root = this; // go up until we reach the root node of a message (of the actual message or // of an attached message) while ( const partNode * p = root->parentNode() ) { if ( p->type() == DwMime::kTypeMessage ) break; else root = p; } for ( const partNode * n = root ; n ; n = n->next() ) if ( n->type() == DwMime::kTypeText ) return n == this; kdFatal() << "partNode::isFirstTextPart(): Didn't expect to end up here..." << endl; return false; // make comiler happy } bool partNode::isToltecMessage() const { if ( type() != DwMime::kTypeMultipart || subType() != DwMime::kSubtypeMixed ) return false; if ( childCount() != 3 ) return false; const DwField* library = dwPart()->Headers().FindField( "X-Library" ); if ( !library ) return false; if ( !library->FieldBody() || TQString( library->FieldBody()->AsString().c_str() ) != TQString( "Toltec" ) ) return false; const DwField* kolabType = dwPart()->Headers().FindField( "X-Kolab-Type" ); if ( !kolabType ) return false; if ( !kolabType->FieldBody() || !TQString( kolabType->FieldBody()->AsString().c_str() ).startsWith( "application/x-vnd.kolab" ) ) return false; return true; } bool partNode::isInEncapsulatedMessage() const { const partNode * const topLevel = topLevelParent(); const partNode *cur = this; while ( cur && cur != topLevel ) { const bool parentIsMessage = cur->parentNode() && cur->parentNode()->msgPart().typeStr().lower() == "message"; if ( parentIsMessage && cur->parentNode() != topLevel ) return true; cur = cur->parentNode(); } return false; } bool partNode::hasContentDispositionInline() const { if( !dwPart() ) return false; DwHeaders& headers = dwPart()->Headers(); if( headers.HasContentDisposition() ) return ( headers.ContentDisposition().DispositionType() == DwMime::kDispTypeInline ); else return false; } const TQString& partNode::trueFromAddress() const { const partNode* node = this; while( node->mFromAddress.isEmpty() && node->mRoot ) node = node->mRoot; return node->mFromAddress; } KMail::Interface::BodyPartMemento * partNode::bodyPartMemento( const TQCString & which ) const { if ( const KMReaderWin * r = reader() ) return r->bodyPartMemento( this, which ); else return internalBodyPartMemento( which ); } KMail::Interface::BodyPartMemento * partNode::internalBodyPartMemento( const TQCString & which ) const { assert( !reader() ); const std::map::const_iterator it = mBodyPartMementoMap.find( which.lower() ); return it != mBodyPartMementoMap.end() ? it->second : 0 ; } void partNode::setBodyPartMemento( const TQCString & which, KMail::Interface::BodyPartMemento * memento ) { if ( KMReaderWin * r = reader() ) r->setBodyPartMemento( this, which, memento ); else internalSetBodyPartMemento( which, memento ); } void partNode::internalSetBodyPartMemento( const TQCString & which, KMail::Interface::BodyPartMemento * memento ) { assert( !reader() ); const std::map::iterator it = mBodyPartMementoMap.lower_bound( which.lower() ); if ( it != mBodyPartMementoMap.end() && it->first == which.lower() ) { delete it->second; if ( memento ) { it->second = memento; } else { mBodyPartMementoMap.erase( it ); } } else { mBodyPartMementoMap.insert( it, std::make_pair( which.lower(), memento ) ); } } bool partNode::isDisplayedEmbedded() const { return mDisplayedEmbedded; } void partNode::setDisplayedEmbedded( bool displayedEmbedded ) { mDisplayedEmbedded = displayedEmbedded; } bool partNode::isDisplayedHidden() const { return mDisplayedHidden; } void partNode::setDisplayedHidden( bool displayedHidden ) { mDisplayedHidden = displayedHidden; } TQString partNode::asHREF( const TQString &place ) const { return TQString( "attachment:%1?place=%2" ).arg( nodeId() ).arg( place ); } partNode::AttachmentDisplayInfo partNode::attachmentDisplayInfo() const { AttachmentDisplayInfo info; info.icon = msgPart().iconName( TDEIcon::Small ); info.label = msgPart().name().stripWhiteSpace(); if ( info.label.isEmpty() ) info.label = msgPart().fileName(); if ( info.label.isEmpty() ) info.label = msgPart().contentDescription(); bool typeBlacklisted = msgPart().typeStr().lower() == "multipart"; if ( !typeBlacklisted && msgPart().typeStr().lower() == "application" ) { typeBlacklisted = msgPart().subtypeStr() == "pgp-encrypted" || msgPart().subtypeStr().lower() == "pgp-signature" || msgPart().subtypeStr().lower() == "pkcs7-mime" || msgPart().subtypeStr().lower() == "pkcs7-signature"; } typeBlacklisted = typeBlacklisted || this == topLevelParent(); bool firstTextChildOfEncapsulatedMsg = msgPart().typeStr().lower() == "text" && msgPart().subtypeStr().lower() == "plain" && parentNode() && parentNode()->msgPart().typeStr().lower() == "message"; typeBlacklisted = typeBlacklisted || firstTextChildOfEncapsulatedMsg; info.displayInHeader = !info.label.isEmpty() && !info.icon.isEmpty() && !typeBlacklisted; return info; }