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233 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* "This product is not manufactured, approved, or supported by
* Corel Corporation or Corel Corporation Limited."
*/
#include <osl/diagnose.h>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/uno/Reference.h>
#include <cppuhelper/supportsservice.hxx>
#include <DocumentHandler.hxx>
#include <WPXSvInputStream.hxx>
#include <sfx2/passwd.hxx>
#include <ucbhelper/content.hxx>
#include <vcl/svapp.hxx>
#include <libwpd/libwpd.h>
#include <libwpg/libwpg.h>
#include "WordPerfectImportFilter.hxx"
using com::sun::star::uno::Reference;
using com::sun::star::awt::XWindow;
using com::sun::star::document::XImporter;
using com::sun::star::io::XInputStream;
using com::sun::star::xml::sax::XDocumentHandler;
using writerperfect::DocumentHandler;
using writerperfect::WPXSvInputStream;
static bool handleEmbeddedWPGObject(const librevenge::RVNGBinaryData& data,
OdfDocumentHandler* pHandler, const OdfStreamType streamType)
{
OdgGenerator exporter;
exporter.addDocumentHandler(pHandler, streamType);
libwpg::WPGFileFormat fileFormat = libwpg::WPG_AUTODETECT;
if (!libwpg::WPGraphics::isSupported(data.getDataStream()))
fileFormat = libwpg::WPG_WPG1;
return libwpg::WPGraphics::parse(data.getDataStream(), &exporter, fileFormat);
}
static bool handleEmbeddedWPGImage(const librevenge::RVNGBinaryData& input,
librevenge::RVNGBinaryData& output)
{
libwpg::WPGFileFormat fileFormat = libwpg::WPG_AUTODETECT;
if (!libwpg::WPGraphics::isSupported(input.getDataStream()))
fileFormat = libwpg::WPG_WPG1;
librevenge::RVNGStringVector svgOutput;
librevenge::RVNGSVGDrawingGenerator aSVGGenerator(svgOutput, "");
if (!libwpg::WPGraphics::parse(input.getDataStream(), &aSVGGenerator, fileFormat))
return false;
if (svgOutput.empty())
return false;
assert(1 == svgOutput.size());
output.clear();
output.append(reinterpret_cast<const unsigned char*>(svgOutput[0].cstr()), svgOutput[0].size());
return true;
}
bool WordPerfectImportFilter::importImpl(
const css::uno::Sequence<css::beans::PropertyValue>& aDescriptor)
{
Reference<XInputStream> xInputStream;
Reference<XWindow> xDialogParent;
for (const auto& rValue : aDescriptor)
{
if (rValue.Name == "InputStream")
rValue.Value >>= xInputStream;
else if (rValue.Name == "ParentWindow")
rValue.Value >>= xDialogParent;
}
if (!xInputStream.is())
{
OSL_ASSERT(false);
return false;
}
WPXSvInputStream input(xInputStream);
OString aUtf8Passwd;
libwpd::WPDConfidence confidence = libwpd::WPDocument::isFileFormatSupported(&input);
if (libwpd::WPD_CONFIDENCE_SUPPORTED_ENCRYPTION == confidence)
{
int unsuccessfulAttempts = 0;
while (true)
{
SfxPasswordDialog aPasswdDlg(Application::GetFrameWeld(xDialogParent));
aPasswdDlg.SetMinLen(0);
if (!aPasswdDlg.run())
return false;
OUString aPasswd = aPasswdDlg.GetPassword();
aUtf8Passwd = OUStringToOString(aPasswd, RTL_TEXTENCODING_UTF8);
if (libwpd::WPD_PASSWORD_MATCH_OK
== libwpd::WPDocument::verifyPassword(&input, aUtf8Passwd.getStr()))
break;
else
unsuccessfulAttempts++;
if (unsuccessfulAttempts == 3) // timeout after 3 password attempts
return false;
}
}
// An XML import service: what we push sax messages to.
Reference<XDocumentHandler> xInternalHandler(
mxContext->getServiceManager()->createInstanceWithContext(
"com.sun.star.comp.Writer.XMLOasisImporter", mxContext),
css::uno::UNO_QUERY_THROW);
// The XImporter sets up an empty target document for XDocumentHandler to write to.
Reference<XImporter> xImporter(xInternalHandler, css::uno::UNO_QUERY);
xImporter->setTargetDocument(mxDoc);
// OO Document Handler: abstract class to handle document SAX messages, concrete implementation here
// writes to in-memory target doc
DocumentHandler aHandler(xInternalHandler);
OdtGenerator collector;
collector.addDocumentHandler(&aHandler, ODF_FLAT_XML);
collector.registerEmbeddedObjectHandler("image/x-wpg", &handleEmbeddedWPGObject);
collector.registerEmbeddedImageHandler("image/x-wpg", &handleEmbeddedWPGImage);
return libwpd::WPD_OK
== libwpd::WPDocument::parse(&input, &collector,
aUtf8Passwd.isEmpty() ? nullptr : aUtf8Passwd.getStr());
}
sal_Bool SAL_CALL
WordPerfectImportFilter::filter(const css::uno::Sequence<css::beans::PropertyValue>& aDescriptor)
{
return importImpl(aDescriptor);
}
void SAL_CALL WordPerfectImportFilter::cancel() {}
// XImporter
void SAL_CALL
WordPerfectImportFilter::setTargetDocument(const Reference<css::lang::XComponent>& xDoc)
{
mxDoc = xDoc;
}
// XExtendedFilterDetection
OUString SAL_CALL
WordPerfectImportFilter::detect(css::uno::Sequence<css::beans::PropertyValue>& Descriptor)
{
libwpd::WPDConfidence confidence = libwpd::WPD_CONFIDENCE_NONE;<--- confidence is initialized
OUString sTypeName;
sal_Int32 nLength = Descriptor.getLength();
sal_Int32 location = nLength;
const css::beans::PropertyValue* pValue = Descriptor.getConstArray();
Reference<XInputStream> xInputStream;
for (sal_Int32 i = 0; i < nLength; i++)
{
if (pValue[i].Name == "TypeName")
location = i;
else if (pValue[i].Name == "InputStream")
pValue[i].Value >>= xInputStream;
}
if (!xInputStream.is())
return OUString();
WPXSvInputStream input(xInputStream);
confidence = libwpd::WPDocument::isFileFormatSupported(&input);<--- confidence is overwritten
if (confidence == libwpd::WPD_CONFIDENCE_EXCELLENT
|| confidence == libwpd::WPD_CONFIDENCE_SUPPORTED_ENCRYPTION)
sTypeName = "writer_WordPerfect_Document";
if (!sTypeName.isEmpty())
{
if (location == nLength)
{
Descriptor.realloc(nLength + 1);
Descriptor[location].Name = "TypeName";
}
Descriptor[location].Value <<= sTypeName;
}
return sTypeName;
}
// XInitialization
void SAL_CALL
WordPerfectImportFilter::initialize(const css::uno::Sequence<css::uno::Any>& /*aArguments*/)
{
}
// XServiceInfo
OUString SAL_CALL WordPerfectImportFilter::getImplementationName()
{
return "com.sun.star.comp.Writer.WordPerfectImportFilter";
}
sal_Bool SAL_CALL WordPerfectImportFilter::supportsService(const OUString& rServiceName)
{
return cppu::supportsService(this, rServiceName);
}
css::uno::Sequence<OUString> SAL_CALL WordPerfectImportFilter::getSupportedServiceNames()
{
return { "com.sun.star.document.ImportFilter", "com.sun.star.document.ExtendedTypeDetection" };
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
com_sun_star_comp_Writer_WordPerfectImportFilter_get_implementation(<--- The function 'com_sun_star_comp_Writer_WordPerfectImportFilter_get_implementation' is never used.
css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
{
return cppu::acquire(new WordPerfectImportFilter(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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