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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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 file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "OOXMLStreamImpl.hxx"
#include <oox/core/fasttokenhandler.hxx>
#include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
#include <com/sun/star/uri/UriReferenceFactory.hpp>
#include <comphelper/storagehelper.hxx>
namespace writerfilter::ooxml
{
using namespace com::sun::star;
OOXMLStreamImpl::OOXMLStreamImpl
(uno::Reference<uno::XComponentContext> const & xContext,
uno::Reference<io::XInputStream> const & xStorageStream,
StreamType_t nType, bool bRepairStorage)
: mxContext(xContext), mxStorageStream(xStorageStream), mnStreamType(nType)
{
mxStorage.set
(comphelper::OStorageHelper::GetStorageOfFormatFromInputStream
(OFOPXML_STORAGE_FORMAT_STRING, mxStorageStream, xContext, bRepairStorage));
mxRelationshipAccess.set(mxStorage, uno::UNO_QUERY_THROW);
init();
}
OOXMLStreamImpl::OOXMLStreamImpl
(OOXMLStreamImpl const & rOOXMLStream, StreamType_t nStreamType)
: mxContext(rOOXMLStream.mxContext),
mxStorageStream(rOOXMLStream.mxStorageStream),
mxStorage(rOOXMLStream.mxStorage),
mnStreamType(nStreamType),
msPath(rOOXMLStream.msPath)
{
mxRelationshipAccess.set(rOOXMLStream.mxDocumentStream, uno::UNO_QUERY_THROW);
init();
}
OOXMLStreamImpl::OOXMLStreamImpl
(OOXMLStreamImpl const & rOOXMLStream, const OUString & rId)
: mxContext(rOOXMLStream.mxContext),
mxStorageStream(rOOXMLStream.mxStorageStream),
mxStorage(rOOXMLStream.mxStorage),
mnStreamType(UNKNOWN),
msId(rId),
msPath(rOOXMLStream.msPath)
{
mxRelationshipAccess.set(rOOXMLStream.mxDocumentStream, uno::UNO_QUERY_THROW);
init();
}
OOXMLStreamImpl::~OOXMLStreamImpl()
{
}
const OUString & OOXMLStreamImpl::getTarget() const
{
return msTarget;
}
bool OOXMLStreamImpl::lcl_getTarget(const uno::Reference<embed::XRelationshipAccess>&
xRelationshipAccess,
StreamType_t nStreamType,
const OUString & rId,
OUString & rDocumentTarget)
{
static const char sId[] = "Id";
static const char sTarget[] = "Target";
static const char sTargetMode[] = "TargetMode";
static const char sExternal[] = "External";
if (maIdCache.empty())
{
// Cache is empty? Then let's build it!
const uno::Sequence< uno::Sequence<beans::StringPair> >aSeqs = xRelationshipAccess->getAllRelationships();
for (const uno::Sequence<beans::StringPair>& rSeq : aSeqs)
{
OUString aId;
OUString aTarget;
bool bExternal = false;
for (const beans::StringPair& rPair : rSeq)
{
if (rPair.First == sId)
aId = rPair.Second;
else if (rPair.First == sTarget)
aTarget = rPair.Second;
else if (rPair.First == sTargetMode && rPair.Second == sExternal)
bExternal = true;
}
// Only cache external targets, internal ones are more complex (see below)
if (bExternal || aTarget.startsWith("#"))
maIdCache[aId] = aTarget;
}
}
if (maIdCache.find(rId) != maIdCache.end())
{
rDocumentTarget = maIdCache[rId];
return true;
}
bool bFound = false;
static uno::Reference<uri::XUriReferenceFactory> xFac = uri::UriReferenceFactory::create(mxContext);
// use '/' to representent the root of the zip package ( and provide a 'file' scheme to
// keep the XUriReference implementation happy )
// add mspath to represent the 'source' of this stream
uno::Reference<uri::XUriReference> xBase = xFac->parse("file:///" + msPath);
static const char sType[] = "Type";
static const OUStringLiteral sDocumentType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument";
static const OUStringLiteral sStylesType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles";
static const OUStringLiteral sNumberingType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/numbering";
static const OUStringLiteral sFonttableType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/fontTable";
static const OUStringLiteral sFootnotesType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/footnotes";
static const OUStringLiteral sEndnotesType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/endnotes";
static const OUStringLiteral sCommentsType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments";
static const OUStringLiteral sThemeType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme";
static const OUStringLiteral sCustomType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXml";
static const OUStringLiteral sCustomPropsType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXmlProps";
static const OUStringLiteral sGlossaryType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/glossaryDocument";
static const OUStringLiteral sWebSettings = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/webSettings";
static const OUStringLiteral sSettingsType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings";
static const OUStringLiteral sChartType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart";
static const OUStringLiteral sEmbeddingsType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/package";
static const OUStringLiteral sFooterType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/footer";
static const OUStringLiteral sHeaderType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/header";
static const OUStringLiteral sOleObjectType = u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/oleObject";
static const OUStringLiteral sCommentsExtendedType = u"http://schemas.microsoft.com/office/2011/relationships/commentsExtended";
// OOXML strict
static const OUStringLiteral sDocumentTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/officeDocument";
static const OUStringLiteral sStylesTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/styles";
static const OUStringLiteral sNumberingTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/numbering";
static const OUStringLiteral sFonttableTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/fontTable";
static const OUStringLiteral sFootnotesTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/footnotes";
static const OUStringLiteral sEndnotesTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/endnotes";
static const OUStringLiteral sCommentsTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/comments";
static const OUStringLiteral sThemeTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/theme";
static const OUStringLiteral sCustomTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/customXml";
static const OUStringLiteral sCustomPropsTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/customXmlProps";
static const OUStringLiteral sGlossaryTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/glossaryDocument";
static const OUStringLiteral sWebSettingsStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/webSettings";
static const OUStringLiteral sSettingsTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/settings";
static const OUStringLiteral sChartTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/chart";
static const OUStringLiteral sEmbeddingsTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/package";
static const OUStringLiteral sFootersTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/footer";
static const OUStringLiteral sHeaderTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/header";
static const OUStringLiteral sOleObjectTypeStrict = u"http://purl.oclc.org/ooxml/officeDocument/relationships/oleObject";
static const OUStringLiteral sVBAProjectType = u"http://schemas.microsoft.com/office/2006/relationships/vbaProject";
static const OUStringLiteral sVBADataType = u"http://schemas.microsoft.com/office/2006/relationships/wordVbaData";
OUString sStreamType;
OUString sStreamTypeStrict;
switch (nStreamType)
{
case VBAPROJECT:
sStreamType = sVBAProjectType;
sStreamTypeStrict = sVBAProjectType;
break;
case VBADATA:
sStreamType = sVBADataType;
sStreamTypeStrict = sVBADataType;
break;
case DOCUMENT:
sStreamType = sDocumentType;
sStreamTypeStrict = sDocumentTypeStrict;
break;
case STYLES:
sStreamType = sStylesType;
sStreamTypeStrict = sStylesTypeStrict;
break;
case NUMBERING:
sStreamType = sNumberingType;
sStreamTypeStrict = sNumberingTypeStrict;
break;
case FONTTABLE:
sStreamType = sFonttableType;
sStreamTypeStrict = sFonttableTypeStrict;
break;
case FOOTNOTES:
sStreamType = sFootnotesType;
sStreamTypeStrict = sFootnotesTypeStrict;
break;
case ENDNOTES:
sStreamType = sEndnotesType;
sStreamTypeStrict = sEndnotesTypeStrict;
break;
case COMMENTS:
sStreamType = sCommentsType;
sStreamTypeStrict = sCommentsTypeStrict;
break;
case THEME:
sStreamType = sThemeType;
sStreamTypeStrict = sThemeTypeStrict;
break;
case CUSTOMXML:
sStreamType = sCustomType;
sStreamTypeStrict = sCustomTypeStrict;
break;
case CUSTOMXMLPROPS:
sStreamType = sCustomPropsType;
sStreamTypeStrict = sCustomPropsTypeStrict;
break;
case SETTINGS:
sStreamType = sSettingsType;
sStreamTypeStrict = sSettingsTypeStrict;
break;
case GLOSSARY:
sStreamType = sGlossaryType;
sStreamTypeStrict = sGlossaryTypeStrict;
break;
case WEBSETTINGS:
sStreamType = sWebSettings;
sStreamTypeStrict = sWebSettingsStrict;
break;
case CHARTS:
sStreamType = sChartType;
sStreamTypeStrict = sChartTypeStrict;
break;
case EMBEDDINGS:
sStreamType = sEmbeddingsType;
sStreamTypeStrict = sEmbeddingsTypeStrict;
break;
case FOOTER:
sStreamType = sFooterType;
sStreamTypeStrict = sFootersTypeStrict;
break;
case HEADER:
sStreamType = sHeaderType;
sStreamTypeStrict = sHeaderTypeStrict;
break;
case COMMENTS_EXTENDED:
sStreamType = sCommentsExtendedType;
sStreamTypeStrict = sCommentsExtendedType;
break;
default:
break;
}
if (xRelationshipAccess.is())
{
const uno::Sequence< uno::Sequence< beans::StringPair > >aSeqs =
xRelationshipAccess->getAllRelationships();
for (const uno::Sequence< beans::StringPair > &rSeq : aSeqs)
{
bool bExternalTarget = false;
OUString sMyTarget;
for (const beans::StringPair &rPair : rSeq)
{
if (rPair.First == sType &&
( rPair.Second == sStreamType ||
rPair.Second == sStreamTypeStrict ))
bFound = true;
else if(rPair.First == sType &&
((rPair.Second == sOleObjectType ||
rPair.Second == sOleObjectTypeStrict) &&
nStreamType == EMBEDDINGS))
{
bFound = true;
}
else if (rPair.First == sId &&
rPair.Second == rId)
bFound = true;
else if (rPair.First == sTarget)
{
// checking item[n].xml is not visited already.
if(customTarget != rPair.Second && (sStreamType == sCustomType || sStreamType == sChartType || sStreamType == sFooterType || sStreamType == sHeaderType))
{
bFound = false;
}
else
{
sMyTarget = rPair.Second;
}
}
else if (rPair.First == sTargetMode &&
rPair.Second == sExternal)
bExternalTarget = true;
}
if (bFound)
{
if (bExternalTarget)
rDocumentTarget = sMyTarget;
else
{
// 'Target' is a relative Uri, so a 'Target=/path'
// with a base Uri of file://base/foo will resolve to
// file://base/word. We need something more than some
// simple string concatenation here to handle that.
uno::Reference<uri::XUriReference> xPart = xFac->parse(sMyTarget);
uno::Reference<uri::XUriReference> xAbs = xFac->makeAbsolute(xBase, xPart, true, uri::RelativeUriExcessParentSegments_RETAIN);
if (!xAbs)
{
//it was invalid gibberish
bFound = false;
}
else
{
rDocumentTarget = xAbs->getPath();
// path will start with the fragment separator. need to
// remove that
rDocumentTarget = rDocumentTarget.copy( 1 );
if(sStreamType == sEmbeddingsType)
embeddingsTarget = rDocumentTarget;
}
}
break;
}
}
}
return bFound;
}
OUString OOXMLStreamImpl::getTargetForId(const OUString & rId)
{
OUString sTarget;
uno::Reference<embed::XRelationshipAccess> xRelationshipAccess
(mxDocumentStream, uno::UNO_QUERY_THROW);
if (lcl_getTarget(xRelationshipAccess, UNKNOWN, rId, sTarget))
return sTarget;
return OUString();
}
void OOXMLStreamImpl::init()
{
bool bFound = lcl_getTarget(mxRelationshipAccess,
mnStreamType, msId, msTarget);
if (!bFound)
return;
sal_Int32 nLastIndex = msTarget.lastIndexOf('/');
if (nLastIndex >= 0)
msPath = msTarget.copy(0, nLastIndex + 1);
uno::Reference<embed::XHierarchicalStorageAccess>
xHierarchicalStorageAccess(mxStorage, uno::UNO_QUERY);
if (xHierarchicalStorageAccess.is())
{
uno::Any aAny(xHierarchicalStorageAccess->
openStreamElementByHierarchicalName
(msTarget, embed::ElementModes::SEEKABLEREAD));
aAny >>= mxDocumentStream;
// Non-cached ID lookup works by accessing mxDocumentStream as an embed::XRelationshipAccess.
// So when it changes, we should empty the cache.
maIdCache.clear();
}
}
uno::Reference<io::XInputStream> OOXMLStreamImpl::getDocumentStream()
{
uno::Reference<io::XInputStream> xResult;
if (mxDocumentStream.is())
xResult = mxDocumentStream->getInputStream();
return xResult;
}
uno::Reference<uno::XComponentContext> OOXMLStreamImpl::getContext()
{
return mxContext;
}
uno::Reference <xml::sax::XFastTokenHandler> OOXMLStreamImpl::getFastTokenHandler()
{
if (! mxFastTokenHandler.is())
mxFastTokenHandler.set(new oox::core::FastTokenHandler());
return mxFastTokenHandler;
}
OOXMLStream::Pointer_t
OOXMLDocumentFactory::createStream
(const uno::Reference<uno::XComponentContext>& xContext,
const uno::Reference<io::XInputStream>& rStream,
bool bRepairStorage)
{
OOXMLStreamImpl * pStream = new OOXMLStreamImpl(xContext, rStream,
OOXMLStream::DOCUMENT, bRepairStorage);
return OOXMLStream::Pointer_t(pStream);
}
OOXMLStream::Pointer_t
OOXMLDocumentFactory::createStream
(const OOXMLStream::Pointer_t& pStream, OOXMLStream::StreamType_t nStreamType)
{
OOXMLStream::Pointer_t pRet;
if (nStreamType != OOXMLStream::VBADATA)
{
if (OOXMLStreamImpl* pImpl = dynamic_cast<OOXMLStreamImpl *>(pStream.get()))
pRet = new OOXMLStreamImpl(*pImpl, nStreamType);
}
else
{
// VBADATA is not a relation of the document, but of the VBAPROJECT stream.
if (OOXMLStreamImpl* pImpl = dynamic_cast<OOXMLStreamImpl *>(pStream.get()))
{
OOXMLStreamImpl aProject(*pImpl, OOXMLStream::VBAPROJECT);
pRet = new OOXMLStreamImpl(aProject, OOXMLStream::VBADATA);
}
}
return pRet;
}
OOXMLStream::Pointer_t
OOXMLDocumentFactory::createStream
(const OOXMLStream::Pointer_t& pStream, const OUString & rId)
{
OOXMLStream::Pointer_t pRet;
if (OOXMLStreamImpl* pImpl = dynamic_cast<OOXMLStreamImpl *>(pStream.get()))
pRet = new OOXMLStreamImpl(*pImpl, rId);
return pRet;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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