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606 lines
18 KiB
606 lines
18 KiB
// kmmsgpart.cpp
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#include <config.h>
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#include <kmimemagic.h>
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#include <kmimetype.h>
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#include <kdebug.h>
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#include <kmdcodec.h>
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#include "kmmsgpart.h"
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#include "kmkernel.h"
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#include "kmmessage.h"
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#include "globalsettings.h"
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#include "util.h"
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#include <kasciistringtools.h>
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#include <kmime_charfreq.h>
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#include <kmime_codecs.h>
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#include <mimelib/enum.h>
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#include <mimelib/utility.h>
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#include <mimelib/string.h>
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#include <kiconloader.h>
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#include <tqtextcodec.h>
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#include <assert.h>
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using namespace KMime;
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//-----------------------------------------------------------------------------
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KMMessagePart::KMMessagePart()
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: mType("text"), mSubtype("plain"), mCte("7bit"), mBodyDecodedSize(0),
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mParent(0), mLoadHeaders(false), mLoadPart(false)
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{
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}
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//-----------------------------------------------------------------------------
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KMMessagePart::KMMessagePart( TQDataStream & stream )
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: mParent(0), mLoadHeaders(false), mLoadPart(false)
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{
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unsigned long size;
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stream >> mOriginalContentTypeStr >> mName >> mContentDescription
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>> mContentDisposition >> mCte >> size >> mPartSpecifier;
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KPIM::kAsciiToLower( mContentDisposition.data() );
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KPIM::kAsciiToUpper( mOriginalContentTypeStr.data() );
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// set the type
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int sep = mOriginalContentTypeStr.find('/');
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mType = mOriginalContentTypeStr.left(sep);
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mSubtype = mOriginalContentTypeStr.mid(sep+1);
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mBodyDecodedSize = size;
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}
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//-----------------------------------------------------------------------------
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KMMessagePart::~KMMessagePart()
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{
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::clear()
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{
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mOriginalContentTypeStr = TQCString();
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mType = "text";
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mSubtype = "plain";
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mCte = "7bit";
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mContentDescription = TQCString();
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mContentDisposition = TQCString();
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mBody.truncate( 0 );
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mAdditionalCTypeParamStr = TQCString();
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mName = TQString();
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mParameterAttribute = TQCString();
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mParameterValue = TQString();
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mCharset = TQCString();
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mPartSpecifier = TQString();
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mBodyDecodedSize = 0;
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mParent = 0;
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mLoadHeaders = false;
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mLoadPart = false;
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::duplicate( const KMMessagePart & msgPart )
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{
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// copy the data of msgPart
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*this = msgPart;
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// detach the explicitely shared TQByteArray
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mBody.detach();
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}
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//-----------------------------------------------------------------------------
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int KMMessagePart::decodedSize(void) const
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{
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if (mBodyDecodedSize < 0)
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mBodyDecodedSize = bodyDecodedBinary().size();
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return mBodyDecodedSize;
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::setBody(const TQCString &aStr)
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{
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KMail::Util::setFromTQCString( mBody, aStr );
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int enc = cte();
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if (enc == DwMime::kCte7bit || enc == DwMime::kCte8bit || enc == DwMime::kCteBinary)
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mBodyDecodedSize = mBody.size();
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else
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mBodyDecodedSize = -1; // Can't know the decoded size
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}
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void KMMessagePart::setBody(const DwString &aStr)
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{
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mBody.duplicate( aStr.c_str(), aStr.length() );
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int enc = cte();
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if (enc == DwMime::kCte7bit || enc == DwMime::kCte8bit || enc == DwMime::kCteBinary)
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mBodyDecodedSize = mBody.size();
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else
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mBodyDecodedSize = -1; // Can't know the decoded size
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}
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void KMMessagePart::setBody(const TQByteArray &aStr)
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{
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mBody = aStr;
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int enc = cte();
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if (enc == DwMime::kCte7bit || enc == DwMime::kCte8bit || enc == DwMime::kCteBinary)
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mBodyDecodedSize = mBody.size();
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else
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mBodyDecodedSize = -1; // Can't know the decoded size
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}
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void KMMessagePart::setBodyFromUnicode( const TQString & str ) {
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TQCString encoding = KMMsgBase::autoDetectCharset( charset(), KMMessage::preferredCharsets(), str );
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if ( encoding.isEmpty() )
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encoding = "utf-8";
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const TQTextCodec * codec = KMMsgBase::codecForName( encoding );
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assert( codec );
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TQValueList<int> dummy;
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setCharset( encoding );
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setBodyAndGuessCte( codec->fromUnicode( str ), dummy, false /* no 8bit */ );
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}
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const TQTextCodec * KMMessagePart::codec() const {
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const TQTextCodec * c = KMMsgBase::codecForName( charset() );
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if ( !c ) {
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// Ok, no override and nothing in the message, let's use the fallback
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// the user configured
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c = KMMsgBase::codecForName( GlobalSettings::self()->fallbackCharacterEncoding().latin1() );
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}
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if ( !c )
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// no charset means us-ascii (RFC 2045), so using local encoding should
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// be okay
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c = kmkernel->networkCodec();
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assert( c );
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return c;
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}
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TQString KMMessagePart::bodyToUnicode(const TQTextCodec* codec) const {
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if ( !codec )
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// No codec was given, so try the charset in the mail
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codec = this->codec();
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assert( codec );
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return codec->toUnicode( bodyDecoded() );
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}
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void KMMessagePart::setCharset( const TQCString & c ) {
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if ( type() != DwMime::kTypeText )
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kdWarning()
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<< "KMMessagePart::setCharset(): trying to set a charset for a non-textual mimetype." << endl
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<< "Fix this caller:" << endl
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<< "====================================================================" << endl
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<< kdBacktrace( 5 ) << endl
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<< "====================================================================" << endl;
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mCharset = c;
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::setBodyEncoded(const TQCString& aStr)
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{
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mBodyDecodedSize = aStr.size() - 1; // same as aStr.length() but faster - assuming no embedded nuls
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switch (cte())
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{
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case DwMime::kCteQuotedPrintable:
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case DwMime::kCteBase64:
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{
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Codec * codec = Codec::codecForName( cteStr() );
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assert( codec );
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// we can't use the convenience function here, since aStr is not
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// a TQByteArray...:
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mBody.resize( codec->maxEncodedSizeFor( mBodyDecodedSize ) );
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TQCString::ConstIterator iit = aStr.data();
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TQCString::ConstIterator iend = aStr.data() + mBodyDecodedSize;
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TQByteArray::Iterator oit = mBody.begin();
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TQByteArray::ConstIterator oend = mBody.end();
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if ( !codec->encode( iit, iend, oit, oend ) )
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kdWarning(5006) << codec->name()
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<< " codec lies about it's maxEncodedSizeFor( "
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<< mBodyDecodedSize << " ). Result truncated!" << endl;
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mBody.truncate( oit - mBody.begin() );
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break;
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}
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default:
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kdWarning(5006) << "setBodyEncoded: unknown encoding '" << cteStr()
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<< "'. Assuming binary." << endl;
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// fall through
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case DwMime::kCte7bit:
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case DwMime::kCte8bit:
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case DwMime::kCteBinary:
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// This is slow and memory hungry - consider using setBodyEncodedBinary instead!
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mBody.duplicate( aStr.data(), mBodyDecodedSize );
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break;
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}
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}
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void KMMessagePart::setBodyAndGuessCte(const TQByteArray& aBuf,
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TQValueList<int> & allowedCte,
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bool allow8Bit,
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bool willBeSigned )
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{
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mBodyDecodedSize = aBuf.size();
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CharFreq cf( aBuf ); // save to pass null arrays...
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allowedCte = KMMessage::determineAllowedCtes( cf, allow8Bit, willBeSigned );
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#ifndef NDEBUG
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DwString dwCte;
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DwCteEnumToStr(allowedCte[0], dwCte);
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kdDebug(5006) << "CharFreq returned " << cf.type() << "/"
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<< cf.printableRatio() << " and I chose "
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<< dwCte.c_str() << endl;
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#endif
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setCte( allowedCte[0] ); // choose best fitting
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setBodyEncodedBinary( aBuf );
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}
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void KMMessagePart::setBodyAndGuessCte(const TQCString& aBuf,
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TQValueList<int> & allowedCte,
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bool allow8Bit,
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bool willBeSigned )
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{
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mBodyDecodedSize = aBuf.size() - 1; // same as aStr.length() but faster - assuming no embedded nuls
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CharFreq cf( aBuf.data(), mBodyDecodedSize ); // save to pass null strings
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allowedCte = KMMessage::determineAllowedCtes( cf, allow8Bit, willBeSigned );
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#ifndef NDEBUG
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DwString dwCte;
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DwCteEnumToStr(allowedCte[0], dwCte);
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kdDebug(5006) << "CharFreq returned " << cf.type() << "/"
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<< cf.printableRatio() << " and I chose "
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<< dwCte.c_str() << endl;
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#endif
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setCte( allowedCte[0] ); // choose best fitting
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setBodyEncoded( aBuf );
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::setBodyEncodedBinary(const TQByteArray& aStr)
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{
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mBodyDecodedSize = aStr.size();
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if (aStr.isEmpty())
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{
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mBody.resize(0);
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return;
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}
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switch (cte())
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{
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case DwMime::kCteQuotedPrintable:
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case DwMime::kCteBase64:
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{
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Codec * codec = Codec::codecForName( cteStr() );
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assert( codec );
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// Nice: We can use the convenience function :-)
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mBody = codec->encode( aStr );
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// QP encoding does CRLF -> LF conversion, which can change the size after decoding again
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// and a size mismatch triggers an assert in various other methods
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mBodyDecodedSize = -1;
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break;
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}
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default:
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kdWarning(5006) << "setBodyEncodedBinary: unknown encoding '" << cteStr()
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<< "'. Assuming binary." << endl;
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// fall through
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case DwMime::kCte7bit:
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case DwMime::kCte8bit:
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case DwMime::kCteBinary:
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//mBody.duplicate( aStr );
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mBody = aStr;
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// Caller has to detach before it modifies aStr!
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break;
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}
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}
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void KMMessagePart::setMessageBody( const TQByteArray& aBuf )
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{
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CharFreq cf( aBuf ); // it's safe to pass null arrays
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mBodyDecodedSize = aBuf.size();
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int cte;
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switch ( cf.type() ) {
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case CharFreq::SevenBitText:
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case CharFreq::SevenBitData:
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cte = DwMime::kCte7bit;
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break;
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case CharFreq::EightBitText:
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case CharFreq::EightBitData:
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cte = DwMime::kCte8bit;
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break;
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default:
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kdWarning(5006) << "Calling " << k_funcinfo
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<< " with something containing neither 7 nor 8 bit text!"
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<< " Fix this caller: " << kdBacktrace() << endl;
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}
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setCte( cte );
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setBodyEncodedBinary( aBuf );
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}
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//-----------------------------------------------------------------------------
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TQByteArray KMMessagePart::bodyDecodedBinary() const
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{
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if (mBody.isEmpty()) return TQByteArray();
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TQByteArray result;
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switch (cte())
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{
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case DwMime::kCte7bit:
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case DwMime::kCte8bit:
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case DwMime::kCteBinary:
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result.duplicate(mBody);
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break;
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default:
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if ( const Codec * codec = Codec::codecForName( cteStr() ) )
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// Nice: we can use the convenience function :-)
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result = codec->decode( mBody );
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else {
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kdWarning(5006) << "bodyDecodedBinary: unknown encoding '" << cteStr()
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<< "'. Assuming binary." << endl;
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result.duplicate(mBody);
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}
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}
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assert( mBodyDecodedSize < 0
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|| (unsigned int)mBodyDecodedSize == result.size() );
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if ( mBodyDecodedSize < 0 )
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mBodyDecodedSize = result.size(); // cache the decoded size.
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return result;
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}
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TQCString KMMessagePart::bodyDecoded(void) const
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{
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if (mBody.isEmpty()) return TQCString("");
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bool decodeBinary = false;
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TQCString result;
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int len;
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switch (cte())
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{
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case DwMime::kCte7bit:
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case DwMime::kCte8bit:
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case DwMime::kCteBinary:
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{
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decodeBinary = true;
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break;
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}
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default:
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if ( const Codec * codec = Codec::codecForName( cteStr() ) ) {
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// We can't use the codec convenience functions, since we must
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// return a TQCString, not a TQByteArray:
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int bufSize = codec->maxDecodedSizeFor( mBody.size() ) + 1; // trailing NUL
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result.resize( bufSize );
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TQByteArray::ConstIterator iit = mBody.begin();
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TQCString::Iterator oit = result.begin();
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TQCString::ConstIterator oend = result.begin() + bufSize;
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if ( !codec->decode( iit, mBody.end(), oit, oend ) )
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kdWarning(5006) << codec->name()
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<< " lies about it's maxDecodedSizeFor( "
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<< mBody.size() << " ). Result truncated!" << endl;
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len = oit - result.begin();
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result.truncate( len ); // adds trailing NUL
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} else {
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kdWarning(5006) << "bodyDecoded: unknown encoding '" << cteStr()
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<< "'. Assuming binary." << endl;
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decodeBinary = true;
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}
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}
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if ( decodeBinary ) {
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len = mBody.size();
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KMail::Util::setFromByteArray( result, mBody );
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}
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// Calls length -> slow
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//kdWarning( result.length() != (unsigned int)len, 5006 )
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// << "KMMessagePart::bodyDecoded(): body is binary but used as text!" << endl;
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result = result.replace( "\r\n", "\n" ); // CRLF -> LF conversion
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assert( mBodyDecodedSize < 0 || mBodyDecodedSize == len );
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if ( mBodyDecodedSize < 0 )
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mBodyDecodedSize = len; // cache decoded size
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return result;
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::magicSetType(bool aAutoDecode)
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{
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KMimeMagic::self()->setFollowLinks( true ); // is it necessary ?
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const TQByteArray body = ( aAutoDecode ) ? bodyDecodedBinary() : mBody ;
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KMimeMagicResult * result = KMimeMagic::self()->findBufferType( body );
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TQString mimetype = result->mimeType();
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const int sep = mimetype.find('/');
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mType = mimetype.left(sep).latin1();
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mSubtype = mimetype.mid(sep+1).latin1();
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}
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//-----------------------------------------------------------------------------
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TQString KMMessagePart::iconName( int size ) const
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{
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TQCString mimeType( mType + "/" + mSubtype );
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KPIM::kAsciiToLower( mimeType.data() );
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TQString fileName =
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KMimeType::mimeType( mimeType )->icon( TQString(), false );
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if ( fileName.isEmpty() )
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{
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fileName = this->fileName();
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if ( fileName.isEmpty() ) fileName = this->name();
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if ( !fileName.isEmpty() )
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{
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fileName = KMimeType::findByPath( "/tmp/"+fileName, 0, true )->icon( TQString(), true );
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}
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}
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fileName =
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TDEGlobal::instance()->iconLoader()->iconPath( fileName, size );
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return fileName;
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}
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//-----------------------------------------------------------------------------
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int KMMessagePart::type() const {
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return DwTypeStrToEnum(DwString(mType));
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::setType(int aType)
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{
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DwString dwType;
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DwTypeEnumToStr(aType, dwType);
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mType = dwType.c_str();
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}
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//-----------------------------------------------------------------------------
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int KMMessagePart::subtype() const {
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return DwSubtypeStrToEnum(DwString(mSubtype));
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::setSubtype(int aSubtype)
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{
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DwString dwSubtype;
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DwSubtypeEnumToStr(aSubtype, dwSubtype);
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mSubtype = dwSubtype.c_str();
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}
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//-----------------------------------------------------------------------------
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TQCString KMMessagePart::parameterAttribute(void) const
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{
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return mParameterAttribute;
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}
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//-----------------------------------------------------------------------------
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TQString KMMessagePart::parameterValue(void) const
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{
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return mParameterValue;
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::setParameter(const TQCString &attribute,
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const TQString &value)
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{
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mParameterAttribute = attribute;
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mParameterValue = value;
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}
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//-----------------------------------------------------------------------------
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TQCString KMMessagePart::contentTransferEncodingStr(void) const
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{
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return mCte;
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}
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//-----------------------------------------------------------------------------
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int KMMessagePart::contentTransferEncoding(void) const
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{
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return DwCteStrToEnum(DwString(mCte));
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::setContentTransferEncodingStr(const TQCString &aStr)
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{
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mCte = aStr;
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}
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//-----------------------------------------------------------------------------
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void KMMessagePart::setContentTransferEncoding(int aCte)
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{
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DwString dwCte;
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|
DwCteEnumToStr(aCte, dwCte);
|
|
mCte = dwCte.c_str();
|
|
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
TQString KMMessagePart::contentDescription(void) const
|
|
{
|
|
return KMMsgBase::decodeRFC2047String(mContentDescription, charset());
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void KMMessagePart::setContentDescription(const TQString &aStr)
|
|
{
|
|
TQCString encoding = KMMsgBase::autoDetectCharset(charset(),
|
|
KMMessage::preferredCharsets(), aStr);
|
|
if (encoding.isEmpty()) encoding = "utf-8";
|
|
mContentDescription = KMMsgBase::encodeRFC2047String(aStr, encoding);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
TQString KMMessagePart::fileName(void) const
|
|
{
|
|
TQCString str;
|
|
|
|
// Allow for multiple filname*0, filename*1, ... params (defined by RFC 2231)
|
|
// in the Content-Disposision
|
|
if ( mContentDisposition.contains( "filename*", false ) ) {
|
|
|
|
// It's RFC 2231 encoded, so extract the file name with the 2231 method
|
|
str = KMMsgBase::extractRFC2231HeaderField( mContentDisposition, "filename" );
|
|
return KMMsgBase::decodeRFC2231String(str);
|
|
|
|
} else {
|
|
|
|
// Standard RFC 2047-encoded
|
|
// search the start of the filename
|
|
int startOfFilename = mContentDisposition.find("filename=", 0, false);
|
|
if (startOfFilename < 0)
|
|
return TQString();
|
|
startOfFilename += 9;
|
|
|
|
// search the end of the filename
|
|
int endOfFilename;
|
|
if ( '"' == mContentDisposition[startOfFilename] ) {
|
|
startOfFilename++; // the double quote isn't part of the filename
|
|
endOfFilename = mContentDisposition.find('"', startOfFilename) - 1;
|
|
}
|
|
else {
|
|
endOfFilename = mContentDisposition.find(';', startOfFilename) - 1;
|
|
}
|
|
if (endOfFilename < 0)
|
|
endOfFilename = 32767;
|
|
|
|
const TQCString str = mContentDisposition.mid(startOfFilename,
|
|
endOfFilename-startOfFilename+1)
|
|
.stripWhiteSpace();
|
|
return KMMsgBase::decodeRFC2047String(str);
|
|
}
|
|
|
|
return TQString();
|
|
}
|
|
|
|
TQCString KMMessagePart::body() const
|
|
{
|
|
return TQCString( mBody.data(), mBody.size() + 1 ); // space for trailing NUL
|
|
}
|
|
|
|
DwString KMMessagePart::dwBody() const
|
|
{
|
|
return KMail::Util::dwString( mBody );
|
|
}
|