00001
00002
00003 #include <config.h>
00004 #include <kmimemagic.h>
00005 #include <kmimetype.h>
00006 #include <kdebug.h>
00007 #include <kmdcodec.h>
00008
00009 #include "kmmsgpart.h"
00010 #include "kmkernel.h"
00011 #include "kmmessage.h"
00012 #include "globalsettings.h"
00013 #include "util.h"
00014
00015 #include <kasciistringtools.h>
00016 #include <kmime_charfreq.h>
00017 #include <kmime_codecs.h>
00018 #include <mimelib/enum.h>
00019 #include <mimelib/utility.h>
00020 #include <mimelib/string.h>
00021
00022 #include <kiconloader.h>
00023 #include <qtextcodec.h>
00024
00025 #include <assert.h>
00026
00027 using namespace KMime;
00028
00029
00030 KMMessagePart::KMMessagePart()
00031 : mType("text"), mSubtype("plain"), mCte("7bit"), mBodyDecodedSize(0),
00032 mParent(0), mLoadHeaders(false), mLoadPart(false)
00033 {
00034 }
00035
00036
00037 KMMessagePart::KMMessagePart( QDataStream & stream )
00038 : mParent(0), mLoadHeaders(false), mLoadPart(false)
00039 {
00040 unsigned long size;
00041 stream >> mOriginalContentTypeStr >> mName >> mContentDescription
00042 >> mContentDisposition >> mCte >> size >> mPartSpecifier;
00043
00044 KPIM::kAsciiToLower( mContentDisposition.data() );
00045 KPIM::kAsciiToUpper( mOriginalContentTypeStr.data() );
00046
00047
00048 int sep = mOriginalContentTypeStr.find('/');
00049 mType = mOriginalContentTypeStr.left(sep);
00050 mSubtype = mOriginalContentTypeStr.mid(sep+1);
00051
00052 mBodyDecodedSize = size;
00053 }
00054
00055
00056
00057 KMMessagePart::~KMMessagePart()
00058 {
00059 }
00060
00061
00062
00063 void KMMessagePart::clear()
00064 {
00065 mOriginalContentTypeStr = QCString();
00066 mType = "text";
00067 mSubtype = "plain";
00068 mCte = "7bit";
00069 mContentDescription = QCString();
00070 mContentDisposition = QCString();
00071 mBody.truncate( 0 );
00072 mAdditionalCTypeParamStr = QCString();
00073 mName = QString::null;
00074 mParameterAttribute = QCString();
00075 mParameterValue = QString::null;
00076 mCharset = QCString();
00077 mPartSpecifier = QString::null;
00078 mBodyDecodedSize = 0;
00079 mParent = 0;
00080 mLoadHeaders = false;
00081 mLoadPart = false;
00082 }
00083
00084
00085
00086 void KMMessagePart::duplicate( const KMMessagePart & msgPart )
00087 {
00088
00089 *this = msgPart;
00090
00091 mBody.detach();
00092 }
00093
00094
00095 int KMMessagePart::decodedSize(void) const
00096 {
00097 if (mBodyDecodedSize < 0)
00098 mBodyDecodedSize = bodyDecodedBinary().size();
00099 return mBodyDecodedSize;
00100 }
00101
00102
00103
00104 void KMMessagePart::setBody(const QCString &aStr)
00105 {
00106 KMail::Util::setFromQCString( mBody, aStr );
00107
00108 int enc = cte();
00109 if (enc == DwMime::kCte7bit || enc == DwMime::kCte8bit || enc == DwMime::kCteBinary)
00110 mBodyDecodedSize = mBody.size();
00111 else
00112 mBodyDecodedSize = -1;
00113 }
00114
00115 void KMMessagePart::setBody(const DwString &aStr)
00116 {
00117 mBody.duplicate( aStr.c_str(), aStr.length() );
00118
00119 int enc = cte();
00120 if (enc == DwMime::kCte7bit || enc == DwMime::kCte8bit || enc == DwMime::kCteBinary)
00121 mBodyDecodedSize = mBody.size();
00122 else
00123 mBodyDecodedSize = -1;
00124 }
00125
00126 void KMMessagePart::setBody(const QByteArray &aStr)
00127 {
00128 mBody = aStr;
00129
00130 int enc = cte();
00131 if (enc == DwMime::kCte7bit || enc == DwMime::kCte8bit || enc == DwMime::kCteBinary)
00132 mBodyDecodedSize = mBody.size();
00133 else
00134 mBodyDecodedSize = -1;
00135 }
00136
00137 void KMMessagePart::setBodyFromUnicode( const QString & str ) {
00138 QCString encoding = KMMsgBase::autoDetectCharset( charset(), KMMessage::preferredCharsets(), str );
00139 if ( encoding.isEmpty() )
00140 encoding = "utf-8";
00141 const QTextCodec * codec = KMMsgBase::codecForName( encoding );
00142 assert( codec );
00143 QValueList<int> dummy;
00144 setCharset( encoding );
00145 setBodyAndGuessCte( codec->fromUnicode( str ), dummy, false );
00146 }
00147
00148 const QTextCodec * KMMessagePart::codec() const {
00149 const QTextCodec * c = KMMsgBase::codecForName( charset() );
00150
00151 if ( !c ) {
00152
00153
00154 c = KMMsgBase::codecForName( GlobalSettings::self()->fallbackCharacterEncoding().latin1() );
00155 }
00156 if ( !c )
00157
00158
00159 c = kmkernel->networkCodec();
00160 assert( c );
00161 return c;
00162 }
00163
00164 QString KMMessagePart::bodyToUnicode(const QTextCodec* codec) const {
00165 if ( !codec )
00166
00167 codec = this->codec();
00168 assert( codec );
00169
00170 return codec->toUnicode( bodyDecoded() );
00171 }
00172
00173 void KMMessagePart::setCharset( const QCString & c ) {
00174 if ( type() != DwMime::kTypeText )
00175 kdWarning()
00176 << "KMMessagePart::setCharset(): trying to set a charset for a non-textual mimetype." << endl
00177 << "Fix this caller:" << endl
00178 << "====================================================================" << endl
00179 << kdBacktrace( 5 ) << endl
00180 << "====================================================================" << endl;
00181 mCharset = c;
00182 }
00183
00184
00185 void KMMessagePart::setBodyEncoded(const QCString& aStr)
00186 {
00187 mBodyDecodedSize = aStr.size() - 1;
00188 switch (cte())
00189 {
00190 case DwMime::kCteQuotedPrintable:
00191 case DwMime::kCteBase64:
00192 {
00193 Codec * codec = Codec::codecForName( cteStr() );
00194 assert( codec );
00195
00196
00197 mBody.resize( codec->maxEncodedSizeFor( mBodyDecodedSize ) );
00198 QCString::ConstIterator iit = aStr.data();
00199 QCString::ConstIterator iend = aStr.data() + mBodyDecodedSize;
00200 QByteArray::Iterator oit = mBody.begin();
00201 QByteArray::ConstIterator oend = mBody.end();
00202 if ( !codec->encode( iit, iend, oit, oend ) )
00203 kdWarning(5006) << codec->name()
00204 << " codec lies about it's maxEncodedSizeFor( "
00205 << mBodyDecodedSize << " ). Result truncated!" << endl;
00206 mBody.truncate( oit - mBody.begin() );
00207 break;
00208 }
00209 default:
00210 kdWarning(5006) << "setBodyEncoded: unknown encoding '" << cteStr()
00211 << "'. Assuming binary." << endl;
00212
00213 case DwMime::kCte7bit:
00214 case DwMime::kCte8bit:
00215 case DwMime::kCteBinary:
00216
00217 mBody.duplicate( aStr.data(), mBodyDecodedSize );
00218 break;
00219 }
00220 }
00221
00222 void KMMessagePart::setBodyAndGuessCte(const QByteArray& aBuf,
00223 QValueList<int> & allowedCte,
00224 bool allow8Bit,
00225 bool willBeSigned )
00226 {
00227 mBodyDecodedSize = aBuf.size();
00228
00229 CharFreq cf( aBuf );
00230
00231 allowedCte = KMMessage::determineAllowedCtes( cf, allow8Bit, willBeSigned );
00232
00233 #ifndef NDEBUG
00234 DwString dwCte;
00235 DwCteEnumToStr(allowedCte[0], dwCte);
00236 kdDebug(5006) << "CharFreq returned " << cf.type() << "/"
00237 << cf.printableRatio() << " and I chose "
00238 << dwCte.c_str() << endl;
00239 #endif
00240
00241 setCte( allowedCte[0] );
00242 setBodyEncodedBinary( aBuf );
00243 }
00244
00245 void KMMessagePart::setBodyAndGuessCte(const QCString& aBuf,
00246 QValueList<int> & allowedCte,
00247 bool allow8Bit,
00248 bool willBeSigned )
00249 {
00250 mBodyDecodedSize = aBuf.size() - 1;
00251
00252 CharFreq cf( aBuf.data(), mBodyDecodedSize );
00253
00254 allowedCte = KMMessage::determineAllowedCtes( cf, allow8Bit, willBeSigned );
00255
00256 #ifndef NDEBUG
00257 DwString dwCte;
00258 DwCteEnumToStr(allowedCte[0], dwCte);
00259 kdDebug(5006) << "CharFreq returned " << cf.type() << "/"
00260 << cf.printableRatio() << " and I chose "
00261 << dwCte.c_str() << endl;
00262 #endif
00263
00264 setCte( allowedCte[0] );
00265 setBodyEncoded( aBuf );
00266 }
00267
00268
00269 void KMMessagePart::setBodyEncodedBinary(const QByteArray& aStr)
00270 {
00271 mBodyDecodedSize = aStr.size();
00272 if (aStr.isEmpty())
00273 {
00274 mBody.resize(0);
00275 return;
00276 }
00277
00278 switch (cte())
00279 {
00280 case DwMime::kCteQuotedPrintable:
00281 case DwMime::kCteBase64:
00282 {
00283 Codec * codec = Codec::codecForName( cteStr() );
00284 assert( codec );
00285
00286 mBody = codec->encode( aStr );
00287 break;
00288 }
00289 default:
00290 kdWarning(5006) << "setBodyEncodedBinary: unknown encoding '" << cteStr()
00291 << "'. Assuming binary." << endl;
00292
00293 case DwMime::kCte7bit:
00294 case DwMime::kCte8bit:
00295 case DwMime::kCteBinary:
00296
00297 mBody = aStr;
00298
00299 break;
00300 }
00301 }
00302
00303
00304
00305 QByteArray KMMessagePart::bodyDecodedBinary() const
00306 {
00307 if (mBody.isEmpty()) return QByteArray();
00308 QByteArray result;
00309
00310 switch (cte())
00311 {
00312 case DwMime::kCte7bit:
00313 case DwMime::kCte8bit:
00314 case DwMime::kCteBinary:
00315 result.duplicate(mBody);
00316 break;
00317 default:
00318 if ( const Codec * codec = Codec::codecForName( cteStr() ) )
00319
00320 result = codec->decode( mBody );
00321 else {
00322 kdWarning(5006) << "bodyDecodedBinary: unknown encoding '" << cteStr()
00323 << "'. Assuming binary." << endl;
00324 result.duplicate(mBody);
00325 }
00326 }
00327
00328 assert( mBodyDecodedSize < 0
00329 || (unsigned int)mBodyDecodedSize == result.size() );
00330 if ( mBodyDecodedSize < 0 )
00331 mBodyDecodedSize = result.size();
00332
00333 return result;
00334 }
00335
00336 QCString KMMessagePart::bodyDecoded(void) const
00337 {
00338 if (mBody.isEmpty()) return QCString("");
00339 bool decodeBinary = false;
00340 QCString result;
00341 int len;
00342
00343 switch (cte())
00344 {
00345 case DwMime::kCte7bit:
00346 case DwMime::kCte8bit:
00347 case DwMime::kCteBinary:
00348 {
00349 decodeBinary = true;
00350 break;
00351 }
00352 default:
00353 if ( const Codec * codec = Codec::codecForName( cteStr() ) ) {
00354
00355
00356 int bufSize = codec->maxDecodedSizeFor( mBody.size() ) + 1;
00357 result.resize( bufSize );
00358 QByteArray::ConstIterator iit = mBody.begin();
00359 QCString::Iterator oit = result.begin();
00360 QCString::ConstIterator oend = result.begin() + bufSize;
00361 if ( !codec->decode( iit, mBody.end(), oit, oend ) )
00362 kdWarning(5006) << codec->name()
00363 << " lies about it's maxDecodedSizeFor( "
00364 << mBody.size() << " ). Result truncated!" << endl;
00365 len = oit - result.begin();
00366 result.truncate( len );
00367 } else {
00368 kdWarning(5006) << "bodyDecoded: unknown encoding '" << cteStr()
00369 << "'. Assuming binary." << endl;
00370 decodeBinary = true;
00371 }
00372 }
00373
00374 if ( decodeBinary ) {
00375 len = mBody.size();
00376 KMail::Util::setFromByteArray( result, mBody );
00377 }
00378
00379
00380
00381
00382
00383 result = result.replace( "\r\n", "\n" );
00384
00385 assert( mBodyDecodedSize < 0 || mBodyDecodedSize == len );
00386 if ( mBodyDecodedSize < 0 )
00387 mBodyDecodedSize = len;
00388
00389 return result;
00390 }
00391
00392
00393
00394 void KMMessagePart::magicSetType(bool aAutoDecode)
00395 {
00396 KMimeMagic::self()->setFollowLinks( true );
00397
00398 const QByteArray body = ( aAutoDecode ) ? bodyDecodedBinary() : mBody ;
00399 KMimeMagicResult * result = KMimeMagic::self()->findBufferType( body );
00400
00401 QString mimetype = result->mimeType();
00402 const int sep = mimetype.find('/');
00403 mType = mimetype.left(sep).latin1();
00404 mSubtype = mimetype.mid(sep+1).latin1();
00405 }
00406
00407
00408
00409 QString KMMessagePart::iconName() const
00410 {
00411 QCString mimeType( mType + "/" + mSubtype );
00412 KPIM::kAsciiToLower( mimeType.data() );
00413
00414 QString fileName =
00415 KMimeType::mimeType( mimeType )->icon( QString::null, false );
00416 if ( fileName.isEmpty() )
00417 {
00418 fileName = this->fileName();
00419 if ( fileName.isEmpty() ) fileName = this->name();
00420 if ( !fileName.isEmpty() )
00421 {
00422 fileName = KMimeType::findByPath( "/tmp/"+fileName, 0, true )->icon( QString::null, true );
00423 }
00424 }
00425
00426 fileName =
00427 KGlobal::instance()->iconLoader()->iconPath( fileName, KIcon::Desktop );
00428 return fileName;
00429 }
00430
00431
00432
00433 int KMMessagePart::type() const {
00434 return DwTypeStrToEnum(DwString(mType));
00435 }
00436
00437
00438
00439 void KMMessagePart::setType(int aType)
00440 {
00441 DwString dwType;
00442 DwTypeEnumToStr(aType, dwType);
00443 mType = dwType.c_str();
00444 }
00445
00446
00447 int KMMessagePart::subtype() const {
00448 return DwSubtypeStrToEnum(DwString(mSubtype));
00449 }
00450
00451
00452
00453 void KMMessagePart::setSubtype(int aSubtype)
00454 {
00455 DwString dwSubtype;
00456 DwSubtypeEnumToStr(aSubtype, dwSubtype);
00457 mSubtype = dwSubtype.c_str();
00458 }
00459
00460
00461 QCString KMMessagePart::parameterAttribute(void) const
00462 {
00463 return mParameterAttribute;
00464 }
00465
00466
00467 QString KMMessagePart::parameterValue(void) const
00468 {
00469 return mParameterValue;
00470 }
00471
00472
00473 void KMMessagePart::setParameter(const QCString &attribute,
00474 const QString &value)
00475 {
00476 mParameterAttribute = attribute;
00477 mParameterValue = value;
00478 }
00479
00480
00481 QCString KMMessagePart::contentTransferEncodingStr(void) const
00482 {
00483 return mCte;
00484 }
00485
00486
00487
00488 int KMMessagePart::contentTransferEncoding(void) const
00489 {
00490 return DwCteStrToEnum(DwString(mCte));
00491 }
00492
00493
00494
00495 void KMMessagePart::setContentTransferEncodingStr(const QCString &aStr)
00496 {
00497 mCte = aStr;
00498 }
00499
00500
00501
00502 void KMMessagePart::setContentTransferEncoding(int aCte)
00503 {
00504 DwString dwCte;
00505 DwCteEnumToStr(aCte, dwCte);
00506 mCte = dwCte.c_str();
00507
00508 }
00509
00510
00511
00512 QString KMMessagePart::contentDescription(void) const
00513 {
00514 return KMMsgBase::decodeRFC2047String(mContentDescription, charset());
00515 }
00516
00517
00518
00519 void KMMessagePart::setContentDescription(const QString &aStr)
00520 {
00521 QCString encoding = KMMsgBase::autoDetectCharset(charset(),
00522 KMMessage::preferredCharsets(), aStr);
00523 if (encoding.isEmpty()) encoding = "utf-8";
00524 mContentDescription = KMMsgBase::encodeRFC2047String(aStr, encoding);
00525 }
00526
00527
00528
00529 QString KMMessagePart::fileName(void) const
00530 {
00531 QCString str;
00532
00533
00534
00535 if ( mContentDisposition.contains( "filename*", FALSE ) ) {
00536
00537
00538 str = KMMsgBase::extractRFC2231HeaderField( mContentDisposition, "filename" );
00539 return KMMsgBase::decodeRFC2231String(str);
00540
00541 } else {
00542
00543
00544
00545 int startOfFilename = mContentDisposition.find("filename=", 0, FALSE);
00546 if (startOfFilename < 0)
00547 return QString::null;
00548 startOfFilename += 9;
00549
00550
00551 int endOfFilename;
00552 if ( '"' == mContentDisposition[startOfFilename] ) {
00553 startOfFilename++;
00554 endOfFilename = mContentDisposition.find('"', startOfFilename) - 1;
00555 }
00556 else {
00557 endOfFilename = mContentDisposition.find(';', startOfFilename) - 1;
00558 }
00559 if (endOfFilename < 0)
00560 endOfFilename = 32767;
00561
00562 const QCString str = mContentDisposition.mid(startOfFilename,
00563 endOfFilename-startOfFilename+1)
00564 .stripWhiteSpace();
00565 return KMMsgBase::decodeRFC2047String(str, charset());
00566 }
00567
00568 return QString::null;
00569 }
00570
00571 QCString KMMessagePart::body() const
00572 {
00573 return QCString( mBody.data(), mBody.size() + 1 );
00574 }
00575
00576 DwString KMMessagePart::dwBody() const
00577 {
00578 return KMail::Util::dwString( mBody );
00579 }