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-rw-r--r--kfile-plugins/mhtml/kfile_mhtml.cpp201
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diff --git a/kfile-plugins/mhtml/kfile_mhtml.cpp b/kfile-plugins/mhtml/kfile_mhtml.cpp
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+/***************************************************************************
+ * Copyright (C) 2005 by Spiros Georgaras *
+ * sngeorgaras@otenet.gr *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program 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. *
+ ***************************************************************************/
+
+
+#include <config.h>
+#include "kfile_mhtml.h"
+
+#include <kgenericfactory.h>
+#include <kmdcodec.h>
+#include <qstring.h>
+#include <qcstring.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qtextcodec.h>
+
+typedef KGenericFactory<mhtmlPlugin> mhtmlFactory;
+
+K_EXPORT_COMPONENT_FACTORY(kfile_mhtml, mhtmlFactory( "kfile_mhtml" ))
+
+mhtmlPlugin::mhtmlPlugin(QObject *parent, const char *name,
+ const QStringList &args)
+ : KFilePlugin(parent, name, args)
+{
+ KFileMimeTypeInfo* info = addMimeTypeInfo( "application/x-mimearchive" );
+ KFileMimeTypeInfo::GroupInfo* group = 0L;
+ group = addGroupInfo(info, "mhtmlInfo", i18n("Document Information"));
+ KFileMimeTypeInfo::ItemInfo* item;
+ item = addItemInfo(group, "Subject", i18n("Subject"), QVariant::String);
+ item = addItemInfo(group, "Sender", i18n("Sender"), QVariant::String);
+ item = addItemInfo(group, "Recipient", i18n("Recipient"), QVariant::String);
+ item = addItemInfo(group, "CopyTo", i18n("CC"), QVariant::String);
+ item = addItemInfo(group, "BlindCopyTo", i18n("BCC"), QVariant::String);
+ item = addItemInfo(group, "Date", i18n("Date"), QVariant::String);
+}
+
+bool mhtmlPlugin::readInfo( KFileMetaInfo& info, uint /*what*/)
+{
+ QString mSender;
+ QString mRecipient;
+ QString mCopyTo;
+ QString mBlindCopyTo;
+ QString mSubject;
+ QString mDate;
+ bool canUnfold;
+ if ( info.path().isEmpty() ) // remote file
+ return false;
+
+ QFile f(info.path());
+ if (!f.open(IO_ReadOnly)) return false;
+ QTextStream stream(&f);
+ QString l=stream.readLine();
+ int nFieldsFound = 0;
+ while(!l.isEmpty()){
+ if(l.startsWith("From: ")) {
+ mSender=l.mid(6);
+ nFieldsFound |= 1;
+ canUnfold=TRUE;
+ } else if(l.startsWith("To: ")) {
+ mRecipient=l.mid(4);
+ nFieldsFound |= 2;
+ canUnfold=TRUE;
+ } else if(l.startsWith("Subject: ")) {
+ mSubject=l.mid(9);
+ nFieldsFound |= 4;
+ canUnfold=TRUE;
+ } else if(l.startsWith("Cc: ")) {
+ mCopyTo=l.mid(4);
+ nFieldsFound |= 8;
+ canUnfold=TRUE;
+ } else if(l.startsWith("Bcc: ")) {
+ mBlindCopyTo=l.mid(5);
+ nFieldsFound |= 16;
+ canUnfold=TRUE;
+ } else if(l.startsWith("Date: ")) {
+ mDate=l.mid(6);
+ nFieldsFound |= 32;
+ canUnfold=FALSE;
+ }else if(l.startsWith(" ") || l.startsWith("\t")){
+ // unfold field
+ if(canUnfold){
+ QString tmp=l.stripWhiteSpace();
+ if(nFieldsFound & 16) mBlindCopyTo=mBlindCopyTo+" "+tmp;
+ else if(nFieldsFound & 8) mCopyTo=mCopyTo+" "+tmp;
+ else if(nFieldsFound & 4) mSubject=mSubject+" "+tmp;
+ else if(nFieldsFound & 2) mRecipient=mRecipient+" "+tmp;
+ else if(nFieldsFound & 1) mSender=mSender+" "+tmp;
+ }
+ }else canUnfold=FALSE;
+ // break out of the loop once the six fields have been found
+ if ( nFieldsFound == 32+16+8+4+2+1 )
+ break;
+ l=stream.readLine();
+ }
+ f.close();
+ KFileMetaInfoGroup group = appendGroup(info, "mhtmlInfo");
+ appendItem(group, "Subject", decodeRFC2047Phrase(mSubject,FALSE));
+ appendItem(group, "Sender", decodeRFC2047Phrase(mSender));
+ appendItem(group, "Recipient", decodeRFC2047Phrase(mRecipient));
+ appendItem(group, "CopyTo", decodeRFC2047Phrase(mCopyTo));
+ appendItem(group, "BlindCopyTo", decodeRFC2047Phrase(mBlindCopyTo));
+ appendItem(group, "Date", mDate);
+ return true;
+}
+
+QString mhtmlPlugin::decodeRFC2047Phrase(const QString &msg, bool removeLessGreater){
+ int st=msg.find("=?");
+ int en=-1;
+ QString msgCopy=msg;
+ QString decodedText=msgCopy.left(st);
+ QString encodedText=msgCopy.mid(st);
+ st=encodedText.find("=?");
+ while(st!=-1){
+ en=encodedText.find("?=");
+ while(encodedText.mid(en+2,1)!=" " && en+2<(int)encodedText.length()) en=encodedText.find("?=",en+1);
+ if(en==-1) break;
+ decodedText+=encodedText.left(st);
+ QString tmp=encodedText.mid(st,en-st+2);
+ encodedText=encodedText.mid(en+2);
+ decodedText+=decodeRFC2047String(tmp);
+ st=encodedText.find("=?",st+1);
+ }
+ decodedText += encodedText;
+ // remove unwanted '<' and '>'
+ if(removeLessGreater){
+ if(decodedText.stripWhiteSpace().startsWith("<") && decodedText.stripWhiteSpace().endsWith(">")){
+ QString tmp=decodedText.stripWhiteSpace();
+ tmp=tmp.mid(1,tmp.length()-2);
+ decodedText=tmp;
+ }else{
+ QString dec=decodedText;
+ QString tmp;
+
+ st=decodedText.find("<");
+ while(st!=-1){
+ st=dec.find("<",st);
+ if(st==0 || (st!=0 && (dec.mid(st-2,2)==", "))){
+ en=dec.find(">",st);
+ if(en==-1 && dec.find(",",st)<en){
+ st++;
+ continue;
+ }
+ dec=dec.left(st)+dec.mid(st+1,en-st-1)+dec.mid(en+1);
+ }else if(st!=-1) st++;
+ }
+ decodedText=dec;
+ }
+ }
+ return decodedText;
+}
+
+QString mhtmlPlugin::decodeRFC2047String(const QString &msg){
+ QString charset;
+ QString encoding;
+ QString notEncodedText;
+ QString encodedText;
+ QString decodedText;
+ int encEnd=0;
+ if(msg.startsWith("=?") && (encEnd=msg.findRev("?="))!=-1){
+ notEncodedText=msg.mid(encEnd+2);
+ encodedText=msg.left(encEnd);
+ encodedText=encodedText.mid(2,encodedText.length()-2);
+ int questionMark=encodedText.find('?');
+ if(questionMark==-1) return msg;
+ charset=encodedText.left(questionMark).lower();
+ encoding=encodedText.mid(questionMark+1,1).lower();
+ if(encoding!="b" && encoding!="q") return msg;
+ encodedText=encodedText.mid(questionMark+3);
+ if(charset.find(" ")!=-1 && encodedText.find(" ")!=-1) return msg;
+ QCString tmpIn;
+ QCString tmpOut;
+ tmpIn = encodedText.local8Bit();
+ if(encoding=="q")tmpOut=KCodecs::quotedPrintableDecode(tmpIn);
+ else tmpOut=KCodecs::base64Decode(tmpIn);
+ if(charset!="us-ascii"){
+ QTextCodec *codec = QTextCodec::codecForName(charset.local8Bit());
+ if(!codec) return msg;
+ decodedText=codec->toUnicode(tmpOut);
+ decodedText=decodedText.replace("_"," ");
+ }else decodedText=tmpOut.replace("_"," ");
+ return decodedText + notEncodedText;
+ }else return msg;
+}
+#include "kfile_mhtml.moc"
+
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