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Diffstat (limited to 'writerfilter/source/ooxml/OOXMLStreamImpl.cxx')
| -rw-r--r-- | writerfilter/source/ooxml/OOXMLStreamImpl.cxx | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/writerfilter/source/ooxml/OOXMLStreamImpl.cxx b/writerfilter/source/ooxml/OOXMLStreamImpl.cxx new file mode 100644 index 000000000..1cfd48139 --- /dev/null +++ b/writerfilter/source/ooxml/OOXMLStreamImpl.cxx @@ -0,0 +1,448 @@ +/* -*- 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: */ |