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-rw-r--r--vcl/source/gdi/pdfwriter_impl.cxx211
-rw-r--r--vcl/source/pdf/COSWriter.cxx2
2 files changed, 44 insertions, 169 deletions
diff --git a/vcl/source/gdi/pdfwriter_impl.cxx b/vcl/source/gdi/pdfwriter_impl.cxx
index 6816fca77bd5..11badef65241 100644
--- a/vcl/source/gdi/pdfwriter_impl.cxx
+++ b/vcl/source/gdi/pdfwriter_impl.cxx
@@ -136,57 +136,6 @@ void appendObjectReference(sal_Int32 nObjectID, OStringBuffer & aLine)
aLine.append(" 0 R ");
}
-void appendHex(sal_Int8 nInt, OStringBuffer& rBuffer)
-{
- static const char pHexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
- rBuffer.append( pHexDigits[ (nInt >> 4) & 15 ] );
- rBuffer.append( pHexDigits[ nInt & 15 ] );
-}
-
-void appendHexArray(sal_uInt8* pArray, size_t nSize, OStringBuffer& rBuffer)
-{
- for (size_t i = 0; i < nSize; i++)
- appendHex(pArray[i], rBuffer);
-}
-
-//used only to emit encoded passwords
-void appendLiteralString( const char* pStr, sal_Int32 nLength, OStringBuffer& rBuffer )
-{
- while( nLength )
- {
- switch( *pStr )
- {
- case '\n' :
- rBuffer.append( "\\n" );
- break;
- case '\r' :
- rBuffer.append( "\\r" );
- break;
- case '\t' :
- rBuffer.append( "\\t" );
- break;
- case '\b' :
- rBuffer.append( "\\b" );
- break;
- case '\f' :
- rBuffer.append( "\\f" );
- break;
- case '(' :
- case ')' :
- case '\\' :
- rBuffer.append( "\\" );
- rBuffer.append( static_cast<char>(*pStr) );
- break;
- default:
- rBuffer.append( static_cast<char>(*pStr) );
- break;
- }
- pStr++;
- nLength--;
- }
-}
-
/*
* Convert a string before using it.
*
@@ -228,8 +177,8 @@ void appendDestinationName( const OUString& rString, OStringBuffer& rBuffer )
{
sal_Int8 aValueHigh = sal_Int8(aChar >> 8);
if(aValueHigh > 0)
- appendHex( aValueHigh, rBuffer );
- appendHex( static_cast<sal_Int8>(aChar & 255 ), rBuffer );
+ vcl::COSWriter::appendHex(aValueHigh, rBuffer);
+ vcl::COSWriter::appendHex(static_cast<sal_Int8>(aChar & 255 ), rBuffer);
}
}
}
@@ -282,7 +231,7 @@ void PDFWriterImpl::createWidgetFieldName( sal_Int32 i_nWidgetIndex, const PDFWr
else
{
aBuffer.append( '#' );
- appendHex( static_cast<sal_Int8>(aStr[i]), aBuffer );
+ COSWriter::appendHex(static_cast<sal_Int8>(aStr[i]), aBuffer);
}
}
@@ -1459,86 +1408,6 @@ OString PDFWriter::GetDateTime(svl::crypto::SigningContext* pSigningContext)
return aRet.makeStringAndClear();
}
-
-/* i12626 methods */
-/*
-check if the Unicode string must be encrypted or not, perform the requested task,
-append the string as unicode hex, encrypted if needed
- */
-inline void PDFWriterImpl::appendUnicodeTextStringEncrypt( const OUString& rInString, const sal_Int32 nInObjectNumber, OStringBuffer& rOutBuffer )
-{
- rOutBuffer.append( "<" );
- if (m_aContext.Encryption.canEncrypt())
- {
- const sal_Unicode* pStr = rInString.getStr();
- sal_Int32 nLen = rInString.getLength();
- //prepare a unicode string, encrypt it
- enableStringEncryption( nInObjectNumber );
- sal_Int32 nChars = 2 + (nLen * 2);
- m_vEncryptionBuffer.resize(nChars);
- sal_uInt8 *pCopy = m_vEncryptionBuffer.data();
- *pCopy++ = 0xFE;
- *pCopy++ = 0xFF;
- // we need to prepare a byte stream from the unicode string buffer
- for( int i = 0; i < nLen; i++ )
- {
- sal_Unicode aUnChar = pStr[i];
- *pCopy++ = static_cast<sal_uInt8>( aUnChar >> 8 );
- *pCopy++ = static_cast<sal_uInt8>( aUnChar & 255 );
- }
- //encrypt in place
- std::vector<sal_uInt8> aNewBuffer(nChars);
- m_pPDFEncryptor->encrypt(m_vEncryptionBuffer.data(), nChars, aNewBuffer, nChars);
- //now append, hexadecimal (appendHex), the encrypted result
- appendHexArray(aNewBuffer.data(), aNewBuffer.size(), rOutBuffer);
- }
- else
- COSWriter::appendUnicodeTextString(rInString, rOutBuffer);
- rOutBuffer.append( ">" );
-}
-
-inline void PDFWriterImpl::appendLiteralStringEncrypt( std::string_view rInString, const sal_Int32 nInObjectNumber, OStringBuffer& rOutBuffer )
-{
- rOutBuffer.append( "(" );
- sal_Int32 nChars = rInString.size();
- //check for encryption, if ok, encrypt the string, then convert with appndLiteralString
- if (m_aContext.Encryption.canEncrypt())
- {
- m_vEncryptionBuffer.resize(nChars);
- //encrypt the string in a buffer, then append it
- enableStringEncryption(nInObjectNumber);
- m_pPDFEncryptor->encrypt(rInString.data(), nChars, m_vEncryptionBuffer, nChars);
- appendLiteralString(reinterpret_cast<char*>(m_vEncryptionBuffer.data()), m_vEncryptionBuffer.size(), rOutBuffer);
- }
- else
- appendLiteralString( rInString.data(), nChars , rOutBuffer );
- rOutBuffer.append( ")" );
-}
-
-void PDFWriterImpl::appendLiteralStringEncrypt( std::u16string_view rInString, const sal_Int32 nInObjectNumber, OStringBuffer& rOutBuffer, rtl_TextEncoding nEnc )
-{
- OString aBufferString( OUStringToOString( rInString, nEnc ) );
- sal_Int32 nLen = aBufferString.getLength();
- OStringBuffer aBuf( nLen );
- const char* pT = aBufferString.getStr();
-
- for( sal_Int32 i = 0; i < nLen; i++, pT++ )
- {
- if( (*pT & 0x80) == 0 )
- aBuf.append( *pT );
- else
- {
- aBuf.append( '<' );
- appendHex( *pT, aBuf );
- aBuf.append( '>' );
- }
- }
- aBufferString = aBuf.makeStringAndClear();
- appendLiteralStringEncrypt( aBufferString, nInObjectNumber, rOutBuffer);
-}
-
-/* end i12626 methods */
-
void PDFWriterImpl::emitComment( const char* pComment )
{
OString aLine = OString::Concat("% ") + pComment + "\n";
@@ -2155,13 +2024,13 @@ sal_Int32 PDFWriterImpl::emitStructure( PDFStructureElement& rEle )
if( !rEle.m_aActualText.isEmpty() )
{
aLine.append( "/ActualText" );
- appendUnicodeTextStringEncrypt( rEle.m_aActualText, rEle.m_nObject, aLine );
+ aWriter.writeUnicodeEncrypt(rEle.m_aActualText, rEle.m_nObject);
aLine.append( "\n" );
}
if( !rEle.m_aAltText.isEmpty() )
{
aLine.append( "/Alt" );
- appendUnicodeTextStringEncrypt( rEle.m_aAltText, rEle.m_nObject, aLine );
+ aWriter.writeUnicodeEncrypt(rEle.m_aAltText, rEle.m_nObject);
aLine.append( "\n" );
}
}
@@ -2672,7 +2541,7 @@ bool PDFWriterImpl::emitType3Font(const vcl::font::PhysicalFontFace* pFace,
auto nAlpha = aColor.GetAlpha();
OStringBuffer aName(16);
aName.append("GS");
- appendHex(nAlpha, aName);
+ COSWriter::appendHex(nAlpha, aName);
aContents.append("/" + aName + " gs ");
@@ -2692,7 +2561,7 @@ bool PDFWriterImpl::emitType3Font(const vcl::font::PhysicalFontFace* pFace,
aContents.append(
" Tf "
"<");
- appendHex(rLayer.m_nSubsetGlyphID, aContents);
+ COSWriter::appendHex(rLayer.m_nSubsetGlyphID, aContents);
aContents.append(
">Tj "
"ET "
@@ -2924,14 +2793,14 @@ sal_Int32 PDFWriterImpl::createToUnicodeCMap( sal_uInt8 const * pEncoding,
+ " beginbfchar\n" );
}
aContents.append( '<' );
- appendHex( static_cast<sal_Int8>(pEncoding[n]), aContents );
+ COSWriter::appendHex(static_cast<sal_Int8>(pEncoding[n]), aContents);
aContents.append( "> <" );
// TODO: handle code points>U+FFFF
sal_Int32 nIndex = pEncToUnicodeIndex[n];
for( sal_Int32 j = 0; j < pCodeUnitsPerGlyph[n]; j++ )
{
- appendHex( static_cast<sal_Int8>(rCodeUnits[nIndex + j] / 256), aContents );
- appendHex( static_cast<sal_Int8>(rCodeUnits[nIndex + j] & 255), aContents );
+ COSWriter::appendHex(static_cast<sal_Int8>(rCodeUnits[nIndex + j] / 256), aContents);
+ COSWriter::appendHex(static_cast<sal_Int8>(rCodeUnits[nIndex + j] & 255), aContents);
}
aContents.append( ">\n" );
nCount++;
@@ -3411,6 +3280,7 @@ sal_Int32 PDFWriterImpl::emitOutline()
{
PDFOutlineEntry& rItem = m_aOutline[i];
OStringBuffer aLine( 1024 );
+ COSWriter aWriter(aLine, m_aContext.Encryption.getParams(), m_pPDFEncryptor);
if (!updateObject(rItem.m_nObject))
return 0;
@@ -3435,7 +3305,7 @@ sal_Int32 PDFWriterImpl::emitOutline()
{
// Title, Dest, Parent, Prev, Next
aLine.append( "/Title" );
- appendUnicodeTextStringEncrypt( rItem.m_aTitle, rItem.m_nObject, aLine );
+ aWriter.writeUnicodeEncrypt(rItem.m_aTitle, rItem.m_nObject);
aLine.append( "\n" );
// Dest is not required
if( rItem.m_nDestID >= 0 && o3tl::make_unsigned(rItem.m_nDestID) < m_aDests.size() )
@@ -3625,14 +3495,14 @@ bool PDFWriterImpl::emitScreenAnnotations()
if (PDFWriter::PDFVersion::PDF_1_7 <= m_aContext.Version)
{ // ISO 14289-1:2014, Clause: 7.11
aLine.append("/UF ");
- appendUnicodeTextStringEncrypt(rScreen.m_aURL, rScreen.m_nObject, aLine);
+ aWriter.writeUnicodeEncrypt(rScreen.m_aURL, rScreen.m_nObject);
}
}
if (PDFWriter::PDFVersion::PDF_1_6 <= m_aContext.Version
&& !rScreen.m_AltText.isEmpty())
{ // ISO 14289-1:2014, Clause: 7.11
aLine.append("/Desc ");
- appendUnicodeTextStringEncrypt(rScreen.m_AltText, rScreen.m_nObject, aLine);
+ aWriter.writeUnicodeEncrypt(rScreen.m_AltText, rScreen.m_nObject);
}
aLine.append(" >>\n"); // end of /D
// Allow playing the video via a tempfile.
@@ -3643,7 +3513,7 @@ bool PDFWriterImpl::emitScreenAnnotations()
// ISO 14289-1:2014, Clause: 7.18.6.2
// Alt text is a "Multi-language Text Array"
aLine.append(" /Alt [ () ");
- appendUnicodeTextStringEncrypt(rScreen.m_AltText, rScreen.m_nObject, aLine);
+ aWriter.writeUnicodeEncrypt(rScreen.m_AltText, rScreen.m_nObject);
aLine.append(" ] "
">>");
@@ -3703,7 +3573,7 @@ bool PDFWriterImpl::emitLinkAnnotations()
aLine.append( "]" );
// ISO 14289-1:2014, Clause: 7.18.5
aLine.append("/Contents");
- appendUnicodeTextStringEncrypt(rLink.m_AltText, rLink.m_nObject, aLine);
+ aWriter.writeUnicodeEncrypt(rLink.m_AltText, rLink.m_nObject);
if( rLink.m_nDest >= 0 )
{
aLine.append( "/Dest" );
@@ -3967,6 +3837,8 @@ void appendAnnotationBorder(float fBorderWidth, OStringBuffer & aLine)
void PDFWriterImpl::emitTextAnnotationLine(OStringBuffer & aLine, PDFNoteEntry const & rNote)
{
+ COSWriter aWriter(aLine, m_aContext.Encryption.getParams(), m_pPDFEncryptor);
+
appendObjectID(rNote.m_nObject, aLine);
double fPageHeight = m_aPages[rNote.m_nPage].getHeight();
@@ -4049,14 +3921,14 @@ void PDFWriterImpl::emitTextAnnotationLine(OStringBuffer & aLine, PDFNoteEntry c
// contents of the note (type text string)
aLine.append("/Contents ");
- appendUnicodeTextStringEncrypt(rNote.m_aContents.maContents, rNote.m_nObject, aLine);
+ aWriter.writeUnicodeEncrypt(rNote.m_aContents.maContents, rNote.m_nObject);
aLine.append("\n");
// optional title
if (!rNote.m_aContents.maTitle.isEmpty())
{
aLine.append("/T ");
- appendUnicodeTextStringEncrypt(rNote.m_aContents.maTitle, rNote.m_nObject, aLine);
+ aWriter.writeUnicodeEncrypt(rNote.m_aContents.maTitle, rNote.m_nObject);
aLine.append("\n");
}
@@ -4510,7 +4382,7 @@ void PDFWriterImpl::createDefaultCheckBoxAppearance( PDFWidget& rBox, const PDFW
aDA.append( " " );
m_aPages[ m_nCurrentPage ].appendMappedLength( nCharYOffset, aDA );
aDA.append( " Td <" );
- appendHex( nMappedGlyph, aDA );
+ COSWriter::appendHex( nMappedGlyph, aDA );
aDA.append( "> Tj\nET\nQ\nEMC\n" );
writeBuffer( aDA );
endRedirect();
@@ -4777,6 +4649,7 @@ bool PDFWriterImpl::emitWidgetAnnotations()
OStringBuffer aLine( 1024 );
COSWriter aWriter(aLine, m_aContext.Encryption.getParams(), m_pPDFEncryptor);
OStringBuffer aValue( 256 );
+ COSWriter aValueWriter(aValue, m_aContext.Encryption.getParams(), m_pPDFEncryptor);
aLine.append( rWidget.m_nObject );
aLine.append( " 0 obj\n"
"<<" );
@@ -4849,7 +4722,9 @@ bool PDFWriterImpl::emitWidgetAnnotations()
sal_Int32 nEntry = rWidget.m_aSelectedEntries[i];
if( nEntry >= 0
&& o3tl::make_unsigned(nEntry) < rWidget.m_aListEntries.size() )
- appendUnicodeTextStringEncrypt( rWidget.m_aListEntries[ nEntry ], rWidget.m_nObject, aValue );
+ {
+ aValueWriter.writeUnicodeEncrypt(rWidget.m_aListEntries[ nEntry ], rWidget.m_nObject);
+ }
}
aValue.append( "]" );
}
@@ -4857,19 +4732,19 @@ bool PDFWriterImpl::emitWidgetAnnotations()
rWidget.m_aSelectedEntries[0] >= 0 &&
o3tl::make_unsigned(rWidget.m_aSelectedEntries[0]) < rWidget.m_aListEntries.size() )
{
- appendUnicodeTextStringEncrypt( rWidget.m_aListEntries[ rWidget.m_aSelectedEntries[0] ], rWidget.m_nObject, aValue );
+ aValueWriter.writeUnicodeEncrypt(rWidget.m_aListEntries[ rWidget.m_aSelectedEntries[0] ], rWidget.m_nObject);
}
else
- appendUnicodeTextStringEncrypt( OUString(), rWidget.m_nObject, aValue );
+ aValueWriter.writeUnicodeEncrypt( OUString(), rWidget.m_nObject);
aLine.append( "Ch" );
break;
case PDFWriter::ComboBox:
- appendUnicodeTextStringEncrypt( rWidget.m_aValue, rWidget.m_nObject, aValue );
+ aValueWriter.writeUnicodeEncrypt( rWidget.m_aValue, rWidget.m_nObject);
aLine.append( "Ch" );
break;
case PDFWriter::Edit:
aLine.append( "Tx" );
- appendUnicodeTextStringEncrypt( rWidget.m_aValue, rWidget.m_nObject, aValue );
+ aValueWriter.writeUnicodeEncrypt( rWidget.m_aValue, rWidget.m_nObject);
break;
case PDFWriter::Signature:
aLine.append( "Sig" );
@@ -6144,7 +6019,7 @@ bool PDFWriterImpl::emitTrailer()
OStringBuffer aDocChecksum( 2*RTL_DIGEST_LENGTH_MD5+1 );
::std::vector<unsigned char> const nMD5Sum(m_DocDigest.finalize());
for (sal_uInt8 i : nMD5Sum)
- appendHex( i, aDocChecksum );
+ COSWriter::appendHex( i, aDocChecksum );
// document id set in setDocInfo method
// emit trailer
aLine.setLength( 0 );
@@ -6171,13 +6046,13 @@ bool PDFWriterImpl::emitTrailer()
aLine.append( "/ID [ <" );
for (auto const& item : m_aContext.Encryption.DocumentIdentifier)
{
- appendHex( sal_Int8(item), aLine );
+ COSWriter::appendHex( sal_Int8(item), aLine );
}
aLine.append( ">\n"
"<" );
for (auto const& item : m_aContext.Encryption.DocumentIdentifier)
{
- appendHex( sal_Int8(item), aLine );
+ COSWriter::appendHex( sal_Int8(item), aLine );
}
aLine.append( "> ]\n" );
}
@@ -6682,7 +6557,7 @@ void PDFWriterImpl::drawVerticalGlyphs(
rLine.append( " Tf" );
}
rLine.append( "<" );
- appendHex( rGlyphs[i].m_nMappedGlyphId, rLine );
+ COSWriter::appendHex( rGlyphs[i].m_nMappedGlyphId, rLine );
rLine.append( ">Tj\n" );
}
}
@@ -6760,14 +6635,14 @@ void PDFWriterImpl::drawHorizontalGlyphs(
OStringBuffer aKernedLine( 256 ), aUnkernedLine( 256 );
aKernedLine.append( "[<" );
aUnkernedLine.append( '<' );
- appendHex( rGlyphs[nBeginRun].m_nMappedGlyphId, aKernedLine );
- appendHex( rGlyphs[nBeginRun].m_nMappedGlyphId, aUnkernedLine );
+ COSWriter::appendHex( rGlyphs[nBeginRun].m_nMappedGlyphId, aKernedLine );
+ COSWriter::appendHex( rGlyphs[nBeginRun].m_nMappedGlyphId, aUnkernedLine );
aMat.invert();
bool bNeedKern = false;
for( sal_uInt32 nPos = nBeginRun+1; nPos < aRunEnds[nRun]; nPos++ )
{
- appendHex( rGlyphs[nPos].m_nMappedGlyphId, aUnkernedLine );
+ COSWriter::appendHex( rGlyphs[nPos].m_nMappedGlyphId, aUnkernedLine );
// check if default glyph positioning is sufficient
const basegfx::B2DPoint aThisPos = aMat.transform( rGlyphs[nPos].m_aPos );
const basegfx::B2DPoint aPrevPos = aMat.transform( rGlyphs[nPos-1].m_aPos );
@@ -6787,7 +6662,7 @@ void PDFWriterImpl::drawHorizontalGlyphs(
aKernedLine.append( nAdjustment );
aKernedLine.append( "<" );
}
- appendHex( rGlyphs[nPos].m_nMappedGlyphId, aKernedLine );
+ COSWriter::appendHex( rGlyphs[nPos].m_nMappedGlyphId, aKernedLine );
}
aKernedLine.append( ">]TJ\n" );
aUnkernedLine.append( ">Tj\n" );
@@ -7080,8 +6955,8 @@ void PDFWriterImpl::drawLayout( SalLayout& rLayout, const OUString& rText, bool
for (int i = 0; i < nCharCount; i++)
{
sal_Unicode aChar = rText[nCharPos + i];
- appendHex(static_cast<sal_Int8>(aChar >> 8), aLine);
- appendHex(static_cast<sal_Int8>(aChar & 255), aLine);
+ COSWriter::appendHex(static_cast<sal_Int8>(aChar >> 8), aLine);
+ COSWriter::appendHex(static_cast<sal_Int8>(aChar & 255), aLine);
}
aLine.append( ">>>\nBDC\n" );
}
@@ -9753,16 +9628,16 @@ bool PDFWriterImpl::writeBitmapObject( const BitmapEmit& rObject, bool bMask )
std::vector<sal_uInt8> aOutputBuffer(nChar);
m_pPDFEncryptor->encrypt(m_vEncryptionBuffer.data(), nChar, aOutputBuffer, nChar);
//now queue the data for output
- appendHexArray(aOutputBuffer.data(), aOutputBuffer.size(), aLine);
+ COSWriter::appendHexArray(aOutputBuffer.data(), aOutputBuffer.size(), aLine);
}
else //no encryption requested (PDF/A-1a program flow drops here)
{
for( sal_uInt16 i = 0; i < pAccess->GetPaletteEntryCount(); i++ )
{
const BitmapColor& rColor = pAccess->GetPaletteColor( i );
- appendHex( rColor.GetRed(), aLine );
- appendHex( rColor.GetGreen(), aLine );
- appendHex( rColor.GetBlue(), aLine );
+ COSWriter::appendHex( rColor.GetRed(), aLine );
+ COSWriter::appendHex( rColor.GetGreen(), aLine );
+ COSWriter::appendHex( rColor.GetBlue(), aLine );
}
}
aLine.append( ">\n]\n" );
diff --git a/vcl/source/pdf/COSWriter.cxx b/vcl/source/pdf/COSWriter.cxx
index 064bec546b3e..bc9f49448a34 100644
--- a/vcl/source/pdf/COSWriter.cxx
+++ b/vcl/source/pdf/COSWriter.cxx
@@ -79,7 +79,7 @@ void COSWriter::writeUnicodeEncrypt(OUString const& rString, sal_Int32 nObject)
std::vector<sal_uInt8> aNewBuffer(nChars);
mpPDFEncryptor->encrypt(aEncryptionBuffer.data(), nChars, aNewBuffer, nChars);
//now append, hexadecimal (appendHex), the encrypted result
- appendHexArray(aNewBuffer.data(), aNewBuffer.size());
+ COSWriter::appendHexArray(aNewBuffer.data(), aNewBuffer.size(), mrBuffer);
mrBuffer.append(">");
}
else
generated by cgit (git 2.34.1) at 2025-01-05 12:45:33 +0000