void extract( POLE::Storage* storage, char* stream_name, char* outfile )
{
POLE::Stream* stream = new POLE::Stream( storage, stream_name );
if( !stream ) return;
if( stream->fail() ) return;
std::ofstream file;
file.open( outfile, std::ios::binary|std::ios::out );
unsigned char buffer[16];
for( ;; )
{
unsigned read = stream->read( buffer, sizeof( buffer ) );
file.write( (const char*)buffer, read );
if( read < sizeof( buffer ) ) break;
}
file.close();
delete stream;
}
void dump( POLE::Storage* storage, char* stream_name )
{
POLE::Stream* stream = new POLE::Stream( storage, stream_name );
if( !stream ) return;
if( stream->fail() ) return;
// std::cout << "Size: " << stream->size() << " bytes" << std::endl;
unsigned char buffer[16];
for( ;; )
{
unsigned read = stream->read( buffer, sizeof( buffer ) );
for( unsigned i = 0; i < read; i++ )
printf( "%02x ", buffer[i] );
std::cout << " ";
for( unsigned i = 0; i < read; i++ )
printf( "%c", ((buffer[i]>=32)&&(buffer[i]<128)) ? buffer[i] : '.' );
std::cout << std::endl;
if( read < sizeof( buffer ) ) break;
}
delete stream;
}
// Extract encryption data from Microsoft Word file
// Place 48 bytes at record_out:
// 16 byte Salt, followed by
// 16 byte EncryptedVerifier, followed by
// 16 byte EncryptedVerifierHash
extern "C" void extract_doc(const char *file_name, unsigned char *record_out) {
int n; // Used for number of bytes read
POLE::Storage* storage = new POLE::Storage(file_name );
storage->open();
if( storage->result() != POLE::Storage::Ok )
{
std::cout << "Error on file " << std::endl;
exit(1);
return;
}
// Check File Information Block to see if document is encrypted
POLE::Stream* stream = new POLE::Stream( storage, "WordDocument" );
if (!stream || stream->fail() ) {
std::cerr << "Could not open WordDocument stream\n";
exit(1);
}
// FibBase should be at the beginning of the WordDocument stream
unsigned char wIdent[2];
n = stream->read(wIdent, 2);
if (n != 2) return;
if (! (wIdent[0] == 0xEC && wIdent[1] == 0xA5 )) {
std::cerr << "FibBase not found\n";
exit(1);
return;
}
// fEncrypted is in 12th byte of FibBase. 2 bytes have been read
// already and 12 = 2 + 10.
unsigned char byte;
for (int i = 1; i <= 10; i++) {
n = stream->read(&byte, 1);
if (n != 1) {
std::cerr << "Error reading FibBase\n";
exit(1);
}
}
if ((byte & 0x01) == 0) {
std::cerr << "File is not encrypted\n";
exit(1);
}
// Look for encryption header in 1Table or 0Table stream
// See http://msdn.microsoft.com/en-us/library/dd923367(v=office.12).aspx
// and http://msdn.microsoft.com/en-us/library/dd908560(v=office.12).aspx
delete stream;
stream = new POLE::Stream( storage, "1Table" );
if (!stream || stream->fail() ) {
stream = new POLE::Stream( storage, "0Table" );
}
if (!stream || stream->fail() ) {
std::cerr << "Couldn't open 1Table or 0Table stream\n";
exit(1);
}
unsigned char EncryptionHeader[52];
n = stream->read(EncryptionHeader, 52);
memcpy(record_out, EncryptionHeader + 4, 48);
}
KoFilter::ConversionStatus HancomWordImport::convert( const QByteArray& from, const QByteArray& to )
{
if ( from != "application/x-hwp" )
return KoFilter::NotImplemented;
if ( to != "application/vnd.oasis.opendocument.text" )
return KoFilter::NotImplemented;
d->inputFile = m_chain->inputFile();
d->outputFile = m_chain->outputFile();
d->paragraphs.clear();
POLE::Storage storage( QFile::encodeName(d->inputFile) );
if( !storage.open() )
return KoFilter::WrongFormat;
POLE::Stream* stream;
stream = new POLE::Stream( &storage, "/PrvText" );
if( stream->fail() || (stream->size() == 0) )
{
delete stream;
return KoFilter::WrongFormat;
}
int len = stream->size() / 2;
QString plaindoc;
plaindoc.reserve( len );
unsigned char* buf = new unsigned char [stream->size()];
stream->read( buf, stream->size());
for(int i = 0; i < len; i++ )
plaindoc.append( QChar((int)readU16(buf + i*2) ) );
delete[] buf;
delete stream;
// split into paragraphs
d->paragraphs = QStringList::split( "\n", plaindoc, true );
// create output store
KoStore* storeout;
storeout = KoStore::createStore( d->outputFile, KoStore::Write,
"application/vnd.oasis.opendocument.text", KoStore::Zip );
if ( !storeout )
{
kWarning() << "Couldn't open the requested file.";
return KoFilter::FileNotFound;
}
if ( !storeout->open( "styles.xml" ) )
{
kWarning() << "Couldn't open the file 'styles.xml'.";
return KoFilter::CreationError;
}
storeout->write( d->createStyles() );
storeout->close();
if ( !storeout->open( "content.xml" ) )
{
kWarning() << "Couldn't open the file 'content.xml'.";
return KoFilter::CreationError;
}
storeout->write( d->createContent() );
storeout->close();
// store document manifest
storeout->enterDirectory( "META-INF" );
if ( !storeout->open( "manifest.xml" ) )
{
kWarning() << "Couldn't open the file 'META-INF/manifest.xml'.";
return KoFilter::CreationError;
}
storeout->write( d->createManifest() );
storeout->close();
// we are done!
d->inputFile.clear();
d->outputFile.clear();
delete storeout;
return KoFilter::OK;
}
