diff options
Diffstat (limited to 'sfx2/source/doc/DocumentMetadataAccess.cxx')
| -rw-r--r-- | sfx2/source/doc/DocumentMetadataAccess.cxx | 1374 |
1 files changed, 1374 insertions, 0 deletions
diff --git a/sfx2/source/doc/DocumentMetadataAccess.cxx b/sfx2/source/doc/DocumentMetadataAccess.cxx new file mode 100644 index 0000000000..51dd84baff --- /dev/null +++ b/sfx2/source/doc/DocumentMetadataAccess.cxx @@ -0,0 +1,1374 @@ +/* -*- 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 <sfx2/DocumentMetadataAccess.hxx> + +#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/embed/ElementModes.hpp> +#include <com/sun/star/embed/XStorage.hpp> +#include <com/sun/star/embed/XTransactedObject.hpp> +#include <com/sun/star/frame/XTransientDocumentsDocumentContentIdentifierFactory.hpp> +#include <com/sun/star/task/ErrorCodeIOException.hpp> +#include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp> +#include <com/sun/star/rdf/FileFormat.hpp> +#include <com/sun/star/rdf/ParseException.hpp> +#include <com/sun/star/rdf/RepositoryException.hpp> +#include <com/sun/star/rdf/URIs.hpp> +#include <com/sun/star/rdf/Statement.hpp> +#include <com/sun/star/rdf/URI.hpp> +#include <com/sun/star/rdf/Repository.hpp> + +#include <rtl/ustrbuf.hxx> +#include <rtl/uri.hxx> +#include <rtl/bootstrap.hxx> +#include <sal/log.hxx> + +#include <comphelper/interaction.hxx> +#include <unotools/mediadescriptor.hxx> +#include <comphelper/sequence.hxx> +#include <comphelper/storagehelper.hxx> +#include <cppuhelper/exc_hlp.hxx> +#include <o3tl/string_view.hxx> + +#include <sfx2/docfile.hxx> +#include <sfx2/XmlIdRegistry.hxx> +#include <sfx2/objsh.hxx> +#include <comphelper/diagnose_ex.hxx> + +#include <libxml/tree.h> + +#include <utility> +#include <vector> +#include <set> +#include <string_view> + +#include <com/sun/star/uri/XUriReference.hpp> +#include <com/sun/star/uri/UriReferenceFactory.hpp> + + +/* + Note: in the context of this implementation, all rdf.QueryExceptions and + rdf.RepositoryExceptions are RuntimeExceptions, and will be reported as such. + + This implementation assumes that it is only used with ODF documents, not mere + ODF packages. In other words, we enforce that metadata files must not be + called reserved names. + */ + +using namespace ::com::sun::star; + +namespace sfx2 { + + +bool isValidNCName(std::u16string_view i_rIdref) +{ + const OString id( + OUStringToOString(i_rIdref, RTL_TEXTENCODING_UTF8) ); + return !(xmlValidateNCName( + reinterpret_cast<const unsigned char*>(id.getStr()), 0)); +} + + +constexpr OUString s_content = u"content.xml"_ustr; +constexpr OUString s_styles = u"styles.xml"_ustr; +constexpr OUString s_manifest = u"manifest.rdf"_ustr; +const char s_odfmime [] = "application/vnd.oasis.opendocument."; + + +static bool isContentFile(std::u16string_view i_rPath) +{ + return i_rPath == s_content; +} + +static bool isStylesFile (std::u16string_view i_rPath) +{ + return i_rPath == s_styles; +} + +bool isValidXmlId(std::u16string_view i_rStreamName, + std::u16string_view i_rIdref) +{ + return isValidNCName(i_rIdref) + && (isContentFile(i_rStreamName) || isStylesFile(i_rStreamName)); +} + +static bool isReservedFile(std::u16string_view i_rPath) +{ + return isContentFile(i_rPath) || isStylesFile(i_rPath) || i_rPath == u"meta.xml" || i_rPath == u"settings.xml"; +} + + +uno::Reference<rdf::XURI> createBaseURI( + uno::Reference<uno::XComponentContext> const & i_xContext, + uno::Reference<frame::XModel> const & i_xModel, + OUString const & i_rPkgURI, std::u16string_view i_rSubDocument) +{ + if (!i_xContext.is() || (!i_xModel.is() && i_rPkgURI.isEmpty())) { + throw uno::RuntimeException(); + } + + OUString pkgURI(i_rPkgURI); + + // tdf#123293 chicken/egg problem when loading from stream: there is no URI, + // and also the model doesn't have a storage yet, so we need to get the + // tdoc URI without a storage... + if (pkgURI.isEmpty()) + { + assert(i_xModel.is()); + uno::Reference<frame::XTransientDocumentsDocumentContentIdentifierFactory> + const xTDDCIF( + i_xContext->getServiceManager()->createInstanceWithContext( + "com.sun.star.ucb.TransientDocumentsContentProvider", + i_xContext), + uno::UNO_QUERY_THROW); + uno::Reference<ucb::XContentIdentifier> const xContentId( + xTDDCIF->createDocumentContentIdentifier(i_xModel)); + SAL_WARN_IF(!xContentId.is(), "sfx", "createBaseURI: cannot create ContentIdentifier"); + if (!xContentId.is()) + { + throw uno::RuntimeException("createBaseURI: cannot create ContentIdentifier"); + } + pkgURI = xContentId->getContentIdentifier(); + assert(!pkgURI.isEmpty()); + if (!pkgURI.isEmpty() && !pkgURI.endsWith("/")) + { + pkgURI += "/"; + } + } + + // #i108078# workaround non-hierarchical vnd.sun.star.expand URIs + // this really should be done somewhere else, not here. + if (pkgURI.startsWithIgnoreAsciiCase("vnd.sun.star.expand:", &pkgURI)) + { + // expand it here (makeAbsolute requires hierarchical URI) + if (!pkgURI.isEmpty()) { + pkgURI = ::rtl::Uri::decode( + pkgURI, rtl_UriDecodeStrict, RTL_TEXTENCODING_UTF8); + if (pkgURI.isEmpty()) { + throw uno::RuntimeException(); + } + ::rtl::Bootstrap::expandMacros(pkgURI); + } + } + + const uno::Reference<uri::XUriReferenceFactory> xUriFactory = + uri::UriReferenceFactory::create( i_xContext); + uno::Reference< uri::XUriReference > xBaseURI; + + const uno::Reference< uri::XUriReference > xPkgURI( + xUriFactory->parse(pkgURI), uno::UNO_SET_THROW ); + xPkgURI->clearFragment(); + + // need to know whether the storage is a FileSystemStorage + // XServiceInfo would be better, but it is not implemented +// if ( pkgURI.getLength() && ::utl::UCBContentHelper::IsFolder(pkgURI) ) + if (true) { + xBaseURI.set( xPkgURI, uno::UNO_SET_THROW ); + } + OUStringBuffer buf(64); + if (!xBaseURI->getUriReference().endsWith("/")) + { + const sal_Int32 count( xBaseURI->getPathSegmentCount() ); + if (count > 0) + { + buf.append(xBaseURI->getPathSegment(count - 1)); + } + buf.append('/'); + } + if (!i_rSubDocument.empty()) + { + buf.append(OUString::Concat(i_rSubDocument) + "/"); + } + if (!buf.isEmpty()) + { + const uno::Reference< uri::XUriReference > xPathURI( + xUriFactory->parse(buf.makeStringAndClear()), uno::UNO_SET_THROW ); + xBaseURI.set( + xUriFactory->makeAbsolute(xBaseURI, xPathURI, + true, uri::RelativeUriExcessParentSegments_ERROR), + uno::UNO_SET_THROW); + } + + return rdf::URI::create(i_xContext, xBaseURI->getUriReference()); +} + + +struct DocumentMetadataAccess_Impl +{ + // note: these are all initialized in constructor, and loadFromStorage + const uno::Reference<uno::XComponentContext> m_xContext; + const SfxObjectShell & m_rXmlIdRegistrySupplier; + uno::Reference<rdf::XURI> m_xBaseURI; + uno::Reference<rdf::XRepository> m_xRepository; + uno::Reference<rdf::XNamedGraph> m_xManifest; + DocumentMetadataAccess_Impl( + uno::Reference<uno::XComponentContext> i_xContext, + SfxObjectShell const & i_rRegistrySupplier) + : m_xContext(std::move(i_xContext)) + , m_rXmlIdRegistrySupplier(i_rRegistrySupplier) + { + OSL_ENSURE(m_xContext.is(), "context null"); + } +}; + +// this is... a hack. +template<sal_Int16 Constant> +static uno::Reference<rdf::XURI> const & +getURI(uno::Reference< uno::XComponentContext > const & i_xContext) +{ + static uno::Reference< rdf::XURI > xURI( + rdf::URI::createKnown(i_xContext, Constant), uno::UNO_SET_THROW); + return xURI; +} + + +/** would storing the file to a XStorage succeed? */ +static bool isFileNameValid(std::u16string_view i_rFileName) +{ + if (i_rFileName.empty()) return false; + if (i_rFileName[0] == '/') return false; // no absolute paths! + sal_Int32 idx(0); + do { + const OUString segment( + o3tl::getToken(i_rFileName, 0, u'/', idx) ); + if (segment.isEmpty() || // no empty segments + segment == "." || // no . segments + segment == ".." || // no .. segments + !::comphelper::OStorageHelper::IsValidZipEntryFileName( + segment, false)) // no invalid characters + return false; + } while (idx >= 0); + return true; +} + +/** split a uri hierarchy into first segment and rest */ +static bool +splitPath(OUString const & i_rPath, + OUString & o_rDir, OUString& o_rRest) +{ + const sal_Int32 idx(i_rPath.indexOf(u'/')); + if (idx < 0 || idx >= i_rPath.getLength()) { + o_rDir.clear(); + o_rRest = i_rPath; + return true; + } else if (idx == 0 || idx == i_rPath.getLength() - 1) { + // input must not start or end with '/' + return false; + } else { + o_rDir = i_rPath.copy(0, idx); + o_rRest = i_rPath.copy(idx+1); + return true; + } +} + +static bool +splitXmlId(std::u16string_view i_XmlId, + OUString & o_StreamName, OUString& o_Idref ) +{ + const size_t idx(i_XmlId.find(u'#')); + if (idx == std::u16string_view::npos) + return false; + o_StreamName = i_XmlId.substr(0, idx); + o_Idref = i_XmlId.substr(idx+1); + return isValidXmlId(o_StreamName, o_Idref); +} + + +static uno::Reference<rdf::XURI> +getURIForStream(struct DocumentMetadataAccess_Impl const & i_rImpl, + OUString const& i_rPath) +{ + const uno::Reference<rdf::XURI> xURI( + rdf::URI::createNS( i_rImpl.m_xContext, + i_rImpl.m_xBaseURI->getStringValue(), i_rPath), + uno::UNO_SET_THROW); + return xURI; +} + +/** add statements declaring i_xResource to be a file of type i_xType with + path i_rPath to manifest, with optional additional types i_pTypes */ +static void +addFile(struct DocumentMetadataAccess_Impl const & i_rImpl, + uno::Reference<rdf::XURI> const& i_xType, + OUString const & i_rPath, + const uno::Sequence < uno::Reference< rdf::XURI > > * i_pTypes) +{ + try { + const uno::Reference<rdf::XURI> xURI( getURIForStream( + i_rImpl, i_rPath) ); + + i_rImpl.m_xManifest->addStatement(i_rImpl.m_xBaseURI, + getURI<rdf::URIs::PKG_HASPART>(i_rImpl.m_xContext), + xURI); + i_rImpl.m_xManifest->addStatement(xURI, + getURI<rdf::URIs::RDF_TYPE>(i_rImpl.m_xContext), + i_xType); + if (i_pTypes) { + for (const auto& rType : *i_pTypes) { + i_rImpl.m_xManifest->addStatement(xURI, + getURI<rdf::URIs::RDF_TYPE>(i_rImpl.m_xContext), + rType); + } + } + } catch (const uno::RuntimeException &) { + throw; + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "addFile: exception", /*this*/nullptr, anyEx); + } +} + +/** add content.xml or styles.xml to manifest */ +static bool +addContentOrStylesFileImpl(struct DocumentMetadataAccess_Impl const & i_rImpl, + const OUString & i_rPath) +{ + uno::Reference<rdf::XURI> xType; + if (isContentFile(i_rPath)) { + xType.set(getURI<rdf::URIs::ODF_CONTENTFILE>(i_rImpl.m_xContext)); + } else if (isStylesFile(i_rPath)) { + xType.set(getURI<rdf::URIs::ODF_STYLESFILE>(i_rImpl.m_xContext)); + } else { + return false; + } + addFile(i_rImpl, xType, i_rPath, nullptr); + return true; +} + +/** add metadata file to manifest */ +static void +addMetadataFileImpl(struct DocumentMetadataAccess_Impl const & i_rImpl, + const OUString & i_rPath, + const uno::Sequence < uno::Reference< rdf::XURI > > & i_rTypes) +{ + addFile(i_rImpl, + getURI<rdf::URIs::PKG_METADATAFILE>(i_rImpl.m_xContext), + i_rPath, &i_rTypes); +} + +/** remove a file from the manifest */ +static void +removeFile(struct DocumentMetadataAccess_Impl const & i_rImpl, + uno::Reference<rdf::XURI> const& i_xPart) +{ + if (!i_xPart.is()) throw uno::RuntimeException(); + try { + i_rImpl.m_xManifest->removeStatements(i_rImpl.m_xBaseURI, + getURI<rdf::URIs::PKG_HASPART>(i_rImpl.m_xContext), + i_xPart); + i_rImpl.m_xManifest->removeStatements(i_xPart, + getURI<rdf::URIs::RDF_TYPE>(i_rImpl.m_xContext), nullptr); + } catch (const uno::RuntimeException &) { + throw; + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "removeFile: exception", + nullptr, anyEx); + } +} + +static ::std::vector< uno::Reference< rdf::XURI > > +getAllParts(struct DocumentMetadataAccess_Impl const & i_rImpl) +{ + ::std::vector< uno::Reference< rdf::XURI > > ret; + try { + const uno::Reference<container::XEnumeration> xEnum( + i_rImpl.m_xManifest->getStatements( i_rImpl.m_xBaseURI, + getURI<rdf::URIs::PKG_HASPART>(i_rImpl.m_xContext), nullptr), + uno::UNO_SET_THROW); + while (xEnum->hasMoreElements()) { + rdf::Statement stmt; + if (!(xEnum->nextElement() >>= stmt)) { + throw uno::RuntimeException(); + } + const uno::Reference<rdf::XURI> xPart(stmt.Object, + uno::UNO_QUERY); + if (!xPart.is()) continue; + ret.push_back(xPart); + } + return ret; + } catch (const uno::RuntimeException &) { + throw; + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "getAllParts: exception", + nullptr, anyEx); + } +} + +static bool +isPartOfType(struct DocumentMetadataAccess_Impl const & i_rImpl, + uno::Reference<rdf::XURI> const & i_xPart, + uno::Reference<rdf::XURI> const & i_xType) +{ + if (!i_xPart.is() || !i_xType.is()) throw uno::RuntimeException(); + try { + const uno::Reference<container::XEnumeration> xEnum( + i_rImpl.m_xManifest->getStatements(i_xPart, + getURI<rdf::URIs::RDF_TYPE>(i_rImpl.m_xContext), + i_xType), + uno::UNO_SET_THROW); + return xEnum->hasMoreElements(); + } catch (const uno::RuntimeException &) { + throw; + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "isPartOfType: exception", + nullptr, anyEx); + } +} + +static ::std::vector<uno::Reference<rdf::XURI>> +getAllParts(struct DocumentMetadataAccess_Impl const& i_rImpl, + const uno::Reference<rdf::XURI>& i_xType) +{ + ::std::vector<uno::Reference<rdf::XURI>> ret; + try + { + const uno::Reference<container::XEnumeration> xEnum( + i_rImpl.m_xManifest->getStatements(i_rImpl.m_xBaseURI, + getURI<rdf::URIs::PKG_HASPART>(i_rImpl.m_xContext), + nullptr), + uno::UNO_SET_THROW); + while (xEnum->hasMoreElements()) + { + rdf::Statement stmt; + if (!(xEnum->nextElement() >>= stmt)) + { + throw uno::RuntimeException(); + } + const uno::Reference<rdf::XURI> xPart(stmt.Object, uno::UNO_QUERY); + if (!xPart.is()) + continue; + + const uno::Reference<container::XEnumeration> xEnum2( + i_rImpl.m_xManifest->getStatements( + xPart, getURI<rdf::URIs::RDF_TYPE>(i_rImpl.m_xContext), i_xType), + uno::UNO_SET_THROW); + if (xEnum2->hasMoreElements()) + ret.emplace_back(xPart); + } + return ret; + } + catch (const uno::RuntimeException&) + { + throw; + } + catch (const uno::Exception& e) + { + throw lang::WrappedTargetRuntimeException("getAllParts: exception", nullptr, + uno::Any(e)); + } +} + +static ucb::InteractiveAugmentedIOException +mkException( OUString const & i_rMessage, + ucb::IOErrorCode const i_ErrorCode, + OUString const & i_rUri, OUString const & i_rResource) +{ + const beans::PropertyValue uriProp("Uri", + -1, uno::Any(i_rUri), static_cast<beans::PropertyState>(0)); + const beans::PropertyValue rnProp( + "ResourceName", + -1, uno::Any(i_rResource), static_cast<beans::PropertyState>(0)); + return ucb::InteractiveAugmentedIOException(i_rMessage, {}, + task::InteractionClassification_ERROR, i_ErrorCode, + { uno::Any(uriProp), uno::Any(rnProp) }); +} + +/** error handling policy. + <p>If a handler is given, ask it how to proceed: + <ul><li>(default:) cancel import, raise exception</li> + <li>ignore the error and continue</li> + <li>retry the action that led to the error</li></ul></p> + N.B.: must not be called before DMA is fully initialized! + @returns true iff caller should retry + */ +static bool +handleError( ucb::InteractiveAugmentedIOException const & i_rException, + const uno::Reference<task::XInteractionHandler> & i_xHandler) +{ + if (!i_xHandler.is()) { + throw lang::WrappedTargetException( + "DocumentMetadataAccess::loadMetadataFromStorage: exception", + /* *this*/ nullptr, uno::Any(i_rException)); + } + + ::rtl::Reference< ::comphelper::OInteractionRequest > pRequest( + new ::comphelper::OInteractionRequest(uno::Any(i_rException)) ); + ::rtl::Reference< ::comphelper::OInteractionRetry > pRetry( + new ::comphelper::OInteractionRetry ); + ::rtl::Reference< ::comphelper::OInteractionApprove > pApprove( + new ::comphelper::OInteractionApprove ); + ::rtl::Reference< ::comphelper::OInteractionAbort > pAbort( + new ::comphelper::OInteractionAbort ); + + pRequest->addContinuation( pApprove ); + pRequest->addContinuation( pAbort ); + // actually call the handler + i_xHandler->handle( pRequest ); + if (pRetry->wasSelected()) { + return true; + } else if (pApprove->wasSelected()) { + return false; + } else { + OSL_ENSURE(pAbort->wasSelected(), "no continuation selected?"); + throw lang::WrappedTargetException( + "DocumentMetadataAccess::loadMetadataFromStorage: exception", + /* *this*/ nullptr, uno::Any(i_rException)); + } +} + +/** check if storage has content.xml/styles.xml; + e.g. ODB files seem to only have content.xml */ +static void +collectFilesFromStorage(uno::Reference<embed::XStorage> const& i_xStorage, + std::set< OUString > & o_rFiles) +{ + try { + if (i_xStorage->hasByName(s_content) && + i_xStorage->isStreamElement(s_content)) + { + o_rFiles.insert(s_content); + } + if (i_xStorage->hasByName(s_styles) && + i_xStorage->isStreamElement(s_styles)) + { + o_rFiles.insert(s_styles); + } + } catch (const uno::Exception &) { + TOOLS_WARN_EXCEPTION("sfx", "collectFilesFromStorage"); + } +} + +/** import a metadata file into repository */ +static void +readStream(struct DocumentMetadataAccess_Impl & i_rImpl, + uno::Reference< embed::XStorage > const & i_xStorage, + OUString const & i_rPath, + OUString const & i_rBaseURI) +{ + try { + OUString dir; + OUString rest; + if (!splitPath(i_rPath, dir, rest)) throw uno::RuntimeException(); + if (dir.isEmpty()) { + if (!i_xStorage->isStreamElement(i_rPath)) { + throw mkException( + "readStream: is not a stream", + ucb::IOErrorCode_NO_FILE, i_rBaseURI + i_rPath, i_rPath); + } + const uno::Reference<io::XStream> xStream( + i_xStorage->openStreamElement(i_rPath, + embed::ElementModes::READ), uno::UNO_SET_THROW); + const uno::Reference<io::XInputStream> xInStream( + xStream->getInputStream(), uno::UNO_SET_THROW ); + const uno::Reference<rdf::XURI> xBaseURI( + rdf::URI::create(i_rImpl.m_xContext, i_rBaseURI)); + const uno::Reference<rdf::XURI> xURI( + rdf::URI::createNS(i_rImpl.m_xContext, + i_rBaseURI, i_rPath)); + i_rImpl.m_xRepository->importGraph(rdf::FileFormat::RDF_XML, + xInStream, xURI, xBaseURI); + } else { + if (!i_xStorage->isStorageElement(dir)) { + throw mkException( + "readStream: is not a directory", + ucb::IOErrorCode_NO_DIRECTORY, i_rBaseURI + dir, dir); + } + const uno::Reference<embed::XStorage> xDir( + i_xStorage->openStorageElement(dir, + embed::ElementModes::READ)); + const uno::Reference< beans::XPropertySet > xDirProps(xDir, + uno::UNO_QUERY_THROW); + try { + OUString mimeType; + xDirProps->getPropertyValue( + utl::MediaDescriptor::PROP_MEDIATYPE ) + >>= mimeType; + if (mimeType.startsWith(s_odfmime)) { + SAL_WARN("sfx", "readStream: refusing to recurse into embedded document"); + return; + } + } catch (const uno::Exception &) { } + readStream(i_rImpl, xDir, rest, i_rBaseURI+dir+"/" ); + } + } catch (const container::NoSuchElementException & e) { + throw mkException(e.Message, ucb::IOErrorCode_NOT_EXISTING_PATH, + i_rBaseURI + i_rPath, i_rPath); + } catch (const io::IOException & e) { + throw mkException(e.Message, ucb::IOErrorCode_CANT_READ, + i_rBaseURI + i_rPath, i_rPath); + } catch (const rdf::ParseException & e) { + throw mkException(e.Message, ucb::IOErrorCode_WRONG_FORMAT, + i_rBaseURI + i_rPath, i_rPath); + } +} + +/** import a metadata file into repository */ +static void +importFile(struct DocumentMetadataAccess_Impl & i_rImpl, + uno::Reference<embed::XStorage> const & i_xStorage, + OUString const & i_rBaseURI, + uno::Reference<task::XInteractionHandler> const & i_xHandler, + const OUString& i_rPath) +{ +retry: + try { + readStream(i_rImpl, i_xStorage, i_rPath, i_rBaseURI); + } catch (const ucb::InteractiveAugmentedIOException & e) { + if (handleError(e, i_xHandler)) goto retry; + } catch (const uno::RuntimeException &) { + throw; + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "importFile: exception", + nullptr, anyEx); + } +} + +/** actually write a metadata file to the storage */ +static void +exportStream(struct DocumentMetadataAccess_Impl const & i_rImpl, + uno::Reference< embed::XStorage > const & i_xStorage, + uno::Reference<rdf::XURI> const & i_xGraphName, + OUString const & i_rFileName, + OUString const & i_rBaseURI) +{ + const uno::Reference<io::XStream> xStream( + i_xStorage->openStreamElement(i_rFileName, + embed::ElementModes::WRITE | embed::ElementModes::TRUNCATE), + uno::UNO_SET_THROW); + const uno::Reference< beans::XPropertySet > xStreamProps(xStream, + uno::UNO_QUERY); + if (xStreamProps.is()) { // this is NOT supported in FileSystemStorage + xStreamProps->setPropertyValue( + "MediaType", + uno::Any(OUString("application/rdf+xml"))); + } + const uno::Reference<io::XOutputStream> xOutStream( + xStream->getOutputStream(), uno::UNO_SET_THROW ); + const uno::Reference<rdf::XURI> xBaseURI( + rdf::URI::create(i_rImpl.m_xContext, i_rBaseURI)); + i_rImpl.m_xRepository->exportGraph(rdf::FileFormat::RDF_XML, + xOutStream, i_xGraphName, xBaseURI); +} + +/** write a metadata file to the storage */ +static void +writeStream(struct DocumentMetadataAccess_Impl & i_rImpl, + uno::Reference< embed::XStorage > const & i_xStorage, + uno::Reference<rdf::XURI> const & i_xGraphName, + OUString const & i_rPath, + OUString const & i_rBaseURI) +{ + OUString dir; + OUString rest; + if (!splitPath(i_rPath, dir, rest)) throw uno::RuntimeException(); + try { + if (dir.isEmpty()) { + exportStream(i_rImpl, i_xStorage, i_xGraphName, i_rPath, + i_rBaseURI); + } else { + const uno::Reference<embed::XStorage> xDir( + i_xStorage->openStorageElement(dir, + embed::ElementModes::WRITE)); + const uno::Reference< beans::XPropertySet > xDirProps(xDir, + uno::UNO_QUERY_THROW); + try { + OUString mimeType; + xDirProps->getPropertyValue( + utl::MediaDescriptor::PROP_MEDIATYPE ) + >>= mimeType; + if (mimeType.startsWith(s_odfmime)) { + SAL_WARN("sfx", "writeStream: refusing to recurse into embedded document"); + return; + } + } catch (const uno::Exception &) { } + writeStream(i_rImpl, xDir, i_xGraphName, rest, i_rBaseURI+dir+"/"); + uno::Reference<embed::XTransactedObject> const xTransaction( + xDir, uno::UNO_QUERY); + if (xTransaction.is()) { + xTransaction->commit(); + } + } + } catch (const uno::RuntimeException &) { + throw; + } catch (const io::IOException &) { + throw; + } +} + +static void +initLoading(struct DocumentMetadataAccess_Impl & i_rImpl, + const uno::Reference< embed::XStorage > & i_xStorage, + const uno::Reference<rdf::XURI> & i_xBaseURI, + const uno::Reference<task::XInteractionHandler> & i_xHandler) +{ +retry: + // clear old data + i_rImpl.m_xManifest.clear(); + // init BaseURI + i_rImpl.m_xBaseURI = i_xBaseURI; + + // create repository + i_rImpl.m_xRepository.clear(); + i_rImpl.m_xRepository.set(rdf::Repository::create(i_rImpl.m_xContext), + uno::UNO_SET_THROW); + + // try to delay raising errors until after initialization is done + uno::Any rterr; + ucb::InteractiveAugmentedIOException iaioe; + bool err(false); + + const uno::Reference <rdf::XURI> xManifest( + getURIForStream(i_rImpl, s_manifest)); + try { + readStream(i_rImpl, i_xStorage, s_manifest, i_xBaseURI->getStringValue()); + } catch (const ucb::InteractiveAugmentedIOException & e) { + // no manifest.rdf: this is not an error in ODF < 1.2 + if (ucb::IOErrorCode_NOT_EXISTING_PATH != e.Code) { + iaioe = e; + err = true; + } + } catch (const uno::Exception & e) { + rterr <<= e; + } + + // init manifest graph + const uno::Reference<rdf::XNamedGraph> xManifestGraph( + i_rImpl.m_xRepository->getGraph(xManifest)); + i_rImpl.m_xManifest.set(xManifestGraph.is() ? xManifestGraph : + i_rImpl.m_xRepository->createGraph(xManifest), uno::UNO_SET_THROW); + + // document statement + i_rImpl.m_xManifest->addStatement(i_rImpl.m_xBaseURI, + getURI<rdf::URIs::RDF_TYPE>(i_rImpl.m_xContext), + getURI<rdf::URIs::PKG_DOCUMENT>(i_rImpl.m_xContext)); + + OSL_ENSURE(i_rImpl.m_xBaseURI.is(), "base URI is null"); + OSL_ENSURE(i_rImpl.m_xRepository.is(), "repository is null"); + OSL_ENSURE(i_rImpl.m_xManifest.is(), "manifest is null"); + + if (rterr.hasValue()) { + throw lang::WrappedTargetRuntimeException( + "DocumentMetadataAccess::loadMetadataFromStorage: " + "exception", nullptr, rterr); + } + + if (err && handleError(iaioe, i_xHandler)) + goto retry; +} + +/** init Impl struct */ +static void init(struct DocumentMetadataAccess_Impl & i_rImpl) +{ + try { + + i_rImpl.m_xManifest.set(i_rImpl.m_xRepository->createGraph( + getURIForStream(i_rImpl, s_manifest)), + uno::UNO_SET_THROW); + + // insert the document statement + i_rImpl.m_xManifest->addStatement(i_rImpl.m_xBaseURI, + getURI<rdf::URIs::RDF_TYPE>(i_rImpl.m_xContext), + getURI<rdf::URIs::PKG_DOCUMENT>(i_rImpl.m_xContext)); + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "init: unexpected exception", nullptr, + anyEx); + } + + // add top-level content files + if (!addContentOrStylesFileImpl(i_rImpl, s_content)) { + throw uno::RuntimeException(); + } + if (!addContentOrStylesFileImpl(i_rImpl, s_styles)) { + throw uno::RuntimeException(); + } +} + + +DocumentMetadataAccess::DocumentMetadataAccess( + uno::Reference< uno::XComponentContext > const & i_xContext, + const SfxObjectShell & i_rRegistrySupplier) + : m_pImpl(new DocumentMetadataAccess_Impl(i_xContext, i_rRegistrySupplier)) +{ + // no initialization: must call loadFrom... +} + +DocumentMetadataAccess::DocumentMetadataAccess( + uno::Reference< uno::XComponentContext > const & i_xContext, + const SfxObjectShell & i_rRegistrySupplier, + OUString const & i_rURI) + : m_pImpl(new DocumentMetadataAccess_Impl(i_xContext, i_rRegistrySupplier)) +{ + OSL_ENSURE(!i_rURI.isEmpty(), "DMA::DMA: no URI given!"); + OSL_ENSURE(i_rURI.endsWith("/"), "DMA::DMA: URI without / given!"); + if (!i_rURI.endsWith("/")) throw uno::RuntimeException(); + m_pImpl->m_xBaseURI.set(rdf::URI::create(m_pImpl->m_xContext, i_rURI)); + m_pImpl->m_xRepository.set(rdf::Repository::create(m_pImpl->m_xContext), + uno::UNO_SET_THROW); + + // init repository + init(*m_pImpl); + + OSL_ENSURE(m_pImpl->m_xBaseURI.is(), "base URI is null"); + OSL_ENSURE(m_pImpl->m_xRepository.is(), "repository is null"); + OSL_ENSURE(m_pImpl->m_xManifest.is(), "manifest is null"); +} + +DocumentMetadataAccess::~DocumentMetadataAccess() +{ +} + +// css::rdf::XRepositorySupplier: +uno::Reference< rdf::XRepository > SAL_CALL +DocumentMetadataAccess::getRDFRepository() +{ + OSL_ENSURE(m_pImpl->m_xRepository.is(), "repository not initialized"); + return m_pImpl->m_xRepository; +} + +// css::rdf::XNode: +OUString SAL_CALL +DocumentMetadataAccess::getStringValue() +{ + return m_pImpl->m_xBaseURI->getStringValue(); +} + +// css::rdf::XURI: +OUString SAL_CALL +DocumentMetadataAccess::getNamespace() +{ + return m_pImpl->m_xBaseURI->getNamespace(); +} + +OUString SAL_CALL +DocumentMetadataAccess::getLocalName() +{ + return m_pImpl->m_xBaseURI->getLocalName(); +} + +// css::rdf::XDocumentMetadataAccess: +uno::Reference< rdf::XMetadatable > SAL_CALL +DocumentMetadataAccess::getElementByMetadataReference( + const css::beans::StringPair & i_rReference) +{ + const IXmlIdRegistry * pReg( + m_pImpl->m_rXmlIdRegistrySupplier.GetXmlIdRegistry() ); + if (!pReg) { + throw uno::RuntimeException( + "DocumentMetadataAccess::getElementByXmlId: no registry", *this); + } + return pReg->GetElementByMetadataReference(i_rReference); +} + +uno::Reference< rdf::XMetadatable > SAL_CALL +DocumentMetadataAccess::getElementByURI( + const uno::Reference< rdf::XURI > & i_xURI ) +{ + if (!i_xURI.is()) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::getElementByURI: URI is null", *this, 0); + } + + const OUString baseURI( m_pImpl->m_xBaseURI->getStringValue() ); + const OUString name( i_xURI->getStringValue() ); + if (!name.match(baseURI)) { + return nullptr; + } + OUString path; + OUString idref; + if (!splitXmlId(name.subView(baseURI.getLength()), path, idref)) { + return nullptr; + } + + return getElementByMetadataReference( beans::StringPair(path, idref) ); +} + +uno::Sequence<uno::Reference<rdf::XURI>> SAL_CALL +DocumentMetadataAccess::getMetadataGraphsWithType(const uno::Reference<rdf::XURI>& i_xType) +{ + if (!i_xType.is()) + { + throw lang::IllegalArgumentException("DocumentMetadataAccess::getMetadataGraphsWithType: " + "type is null", + *this, 0); + } + + return ::comphelper::containerToSequence(getAllParts(*m_pImpl, i_xType)); +} + +uno::Reference<rdf::XURI> SAL_CALL +DocumentMetadataAccess::addMetadataFile(const OUString & i_rFileName, + const uno::Sequence < uno::Reference< rdf::XURI > > & i_rTypes) +{ + if (!isFileNameValid(i_rFileName)) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::addMetadataFile: invalid FileName", + *this, 0); + } + if (isReservedFile(i_rFileName)) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::addMetadataFile:" + "invalid FileName: reserved", *this, 0); + } + if (std::any_of(i_rTypes.begin(), i_rTypes.end(), + [](const uno::Reference< rdf::XURI >& rType) { return !rType.is(); })) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::addMetadataFile: " + "null type", *this, 2); + } + + const uno::Reference<rdf::XURI> xGraphName( + getURIForStream(*m_pImpl, i_rFileName) ); + + try { + m_pImpl->m_xRepository->createGraph(xGraphName); + } catch (const rdf::RepositoryException &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "DocumentMetadataAccess::addMetadataFile: exception", + *this, anyEx); + // note: all other exceptions are propagated + } + + addMetadataFileImpl(*m_pImpl, i_rFileName, i_rTypes); + return xGraphName; +} + +uno::Reference<rdf::XURI> SAL_CALL +DocumentMetadataAccess::importMetadataFile(::sal_Int16 i_Format, + const uno::Reference< io::XInputStream > & i_xInStream, + const OUString & i_rFileName, + const uno::Reference< rdf::XURI > & i_xBaseURI, + const uno::Sequence < uno::Reference< rdf::XURI > > & i_rTypes) +{ + if (!isFileNameValid(i_rFileName)) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::importMetadataFile: invalid FileName", + *this, 0); + } + if (isReservedFile(i_rFileName)) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::importMetadataFile:" + "invalid FileName: reserved", *this, 0); + } + if (std::any_of(i_rTypes.begin(), i_rTypes.end(), + [](const uno::Reference< rdf::XURI >& rType) { return !rType.is(); })) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::importMetadataFile: null type", + *this, 5); + } + + const uno::Reference<rdf::XURI> xGraphName( + getURIForStream(*m_pImpl, i_rFileName) ); + + try { + m_pImpl->m_xRepository->importGraph( + i_Format, i_xInStream, xGraphName, i_xBaseURI); + } catch (const rdf::RepositoryException &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "DocumentMetadataAccess::importMetadataFile: " + "RepositoryException", *this, anyEx); + // note: all other exceptions are propagated + } + + // add to manifest + addMetadataFileImpl(*m_pImpl, i_rFileName, i_rTypes); + return xGraphName; +} + +void SAL_CALL +DocumentMetadataAccess::removeMetadataFile( + const uno::Reference< rdf::XURI > & i_xGraphName) +{ + try { + m_pImpl->m_xRepository->destroyGraph(i_xGraphName); + } catch (const rdf::RepositoryException &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "DocumentMetadataAccess::removeMetadataFile: " + "RepositoryException", *this, anyEx); + // note: all other exceptions are propagated + } + + // remove file from manifest + removeFile(*m_pImpl, i_xGraphName); +} + +void SAL_CALL +DocumentMetadataAccess::addContentOrStylesFile( + const OUString & i_rFileName) +{ + if (!isFileNameValid(i_rFileName)) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::addContentOrStylesFile: " + "invalid FileName", *this, 0); + } + + if (!addContentOrStylesFileImpl(*m_pImpl, i_rFileName)) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::addContentOrStylesFile: " + "invalid FileName: must end with content.xml or styles.xml", + *this, 0); + } +} + +void SAL_CALL +DocumentMetadataAccess::removeContentOrStylesFile( + const OUString & i_rFileName) +{ + if (!isFileNameValid(i_rFileName)) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::removeContentOrStylesFile: " + "invalid FileName", *this, 0); + } + + try { + const uno::Reference<rdf::XURI> xPart( + getURIForStream(*m_pImpl, i_rFileName) ); + const uno::Reference<container::XEnumeration> xEnum( + m_pImpl->m_xManifest->getStatements( m_pImpl->m_xBaseURI, + getURI<rdf::URIs::PKG_HASPART>(m_pImpl->m_xContext), + xPart), + uno::UNO_SET_THROW); + if (!xEnum->hasMoreElements()) { + throw container::NoSuchElementException( + "DocumentMetadataAccess::removeContentOrStylesFile: " + "cannot find stream in manifest graph: " + i_rFileName, + *this); + } + + // remove file from manifest + removeFile(*m_pImpl, xPart); + + } catch (const uno::RuntimeException &) { + throw; + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "DocumentMetadataAccess::removeContentOrStylesFile: exception", + *this, anyEx); + } +} + +void SAL_CALL DocumentMetadataAccess::loadMetadataFromStorage( + const uno::Reference< embed::XStorage > & i_xStorage, + const uno::Reference<rdf::XURI> & i_xBaseURI, + const uno::Reference<task::XInteractionHandler> & i_xHandler) +{ + if (!i_xStorage.is()) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::loadMetadataFromStorage: " + "storage is null", *this, 0); + } + if (!i_xBaseURI.is()) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::loadMetadataFromStorage: " + "base URI is null", *this, 1); + } + const OUString baseURI( i_xBaseURI->getStringValue()); + if (baseURI.indexOf('#') >= 0) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::loadMetadataFromStorage: " + "base URI not absolute", *this, 1); + } + if (!baseURI.endsWith("/")) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::loadMetadataFromStorage: " + "base URI does not end with slash", *this, 1); + } + + initLoading(*m_pImpl, i_xStorage, i_xBaseURI, i_xHandler); + + std::set< OUString > StgFiles; + collectFilesFromStorage(i_xStorage, StgFiles); + + std::vector< OUString > MfstMetadataFiles; + + try { + const ::std::vector< uno::Reference< rdf::XURI > > parts( + getAllParts(*m_pImpl) ); + const uno::Reference<rdf::XURI>& xContentFile( + getURI<rdf::URIs::ODF_CONTENTFILE>(m_pImpl->m_xContext)); + const uno::Reference<rdf::XURI>& xStylesFile( + getURI<rdf::URIs::ODF_STYLESFILE>(m_pImpl->m_xContext)); + const uno::Reference<rdf::XURI>& xMetadataFile( + getURI<rdf::URIs::PKG_METADATAFILE>(m_pImpl->m_xContext)); + const sal_Int32 len( baseURI.getLength() ); + for (const auto& rxPart : parts) { + const OUString name(rxPart->getStringValue()); + if (!name.match(baseURI)) { + SAL_WARN("sfx", "loadMetadataFromStorage: graph not in document: " << name); + continue; + } + const OUString relName( name.copy(len) ); + if (relName == s_manifest) { + SAL_WARN("sfx", "loadMetadataFromStorage: found ourselves a recursive manifest!"); + continue; + } + // remove found items from StgFiles + StgFiles.erase(relName); + if (isContentFile(relName)) { + if (!isPartOfType(*m_pImpl, rxPart, xContentFile)) { + const uno::Reference <rdf::XURI> xName( + getURIForStream(*m_pImpl, relName) ); + // add missing type statement + m_pImpl->m_xManifest->addStatement(xName, + getURI<rdf::URIs::RDF_TYPE>(m_pImpl->m_xContext), + xContentFile); + } + } else if (isStylesFile(relName)) { + if (!isPartOfType(*m_pImpl, rxPart, xStylesFile)) { + const uno::Reference <rdf::XURI> xName( + getURIForStream(*m_pImpl, relName) ); + // add missing type statement + m_pImpl->m_xManifest->addStatement(xName, + getURI<rdf::URIs::RDF_TYPE>(m_pImpl->m_xContext), + xStylesFile); + } + } else if (isReservedFile(relName)) { + SAL_WARN("sfx", "loadMetadataFromStorage: reserved file name in manifest"); + } else { + if (isPartOfType(*m_pImpl, rxPart, xMetadataFile)) { + MfstMetadataFiles.push_back(relName); + } + // do not add statement for MetadataFile; it could be + // something else! just ignore it... + } + } + } catch (const uno::RuntimeException &) { + throw; + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "DocumentMetadataAccess::loadMetadataFromStorage: " + "exception", *this, anyEx); + } + + for (const auto& aStgFile : StgFiles) + addContentOrStylesFileImpl(*m_pImpl, aStgFile); + + for (const auto& aMfstMetadataFile : MfstMetadataFiles) + importFile(*m_pImpl, i_xStorage, baseURI, i_xHandler, aMfstMetadataFile); +} + +void SAL_CALL DocumentMetadataAccess::storeMetadataToStorage( + const uno::Reference< embed::XStorage > & i_xStorage) +{ + if (!i_xStorage.is()) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::storeMetadataToStorage: " + "storage is null", *this, 0); + } + + // export manifest + const uno::Reference <rdf::XURI> xManifest( + getURIForStream(*m_pImpl, s_manifest) ); + const OUString baseURI( m_pImpl->m_xBaseURI->getStringValue() ); + try { + writeStream(*m_pImpl, i_xStorage, xManifest, s_manifest, baseURI); + } catch (const uno::RuntimeException &) { + throw; + } catch (const io::IOException &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetException( + "storeMetadataToStorage: IO exception", *this, anyEx); + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "storeMetadataToStorage: exception", *this, anyEx); + } + + // export metadata streams + try { + const uno::Sequence<uno::Reference<rdf::XURI> > graphs( + m_pImpl->m_xRepository->getGraphNames()); + const sal_Int32 len( baseURI.getLength() ); + for (const uno::Reference<rdf::XURI>& xName : graphs) { + const OUString name(xName->getStringValue()); + if (!name.match(baseURI)) { + SAL_WARN("sfx", "storeMetadataToStorage: graph not in document: " << name); + continue; + } + const OUString relName( name.copy(len) ); + if (relName == s_manifest) { + continue; + } + if (!isFileNameValid(relName) || isReservedFile(relName)) { + SAL_WARN("sfx", "storeMetadataToStorage: invalid file name: " << relName); + continue; + } + try { + writeStream(*m_pImpl, i_xStorage, xName, relName, baseURI); + } catch (const uno::RuntimeException &) { + throw; + } catch (const io::IOException &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetException( + "storeMetadataToStorage: IO exception", + *this, anyEx); + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "storeMetadataToStorage: exception", + *this, anyEx); + } + } + } catch (const rdf::RepositoryException &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "storeMetadataToStorage: exception", *this, anyEx); + } +} + +void SAL_CALL +DocumentMetadataAccess::loadMetadataFromMedium( + const uno::Sequence< beans::PropertyValue > & i_rMedium) +{ + uno::Reference<io::XInputStream> xIn; + utl::MediaDescriptor md(i_rMedium); + OUString URL; + md[ utl::MediaDescriptor::PROP_URL ] >>= URL; + OUString BaseURL; + md[ utl::MediaDescriptor::PROP_DOCUMENTBASEURL ] >>= BaseURL; + if (md.addInputStream()) { + md[ utl::MediaDescriptor::PROP_INPUTSTREAM ] >>= xIn; + } + if (!xIn.is() && URL.isEmpty()) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::loadMetadataFromMedium: " + "invalid medium: no URL, no input stream", *this, 0); + } + uno::Reference<embed::XStorage> xStorage; + try { + if (xIn.is()) { + xStorage = ::comphelper::OStorageHelper::GetStorageFromInputStream( + xIn, m_pImpl->m_xContext); + } else { // fallback to url + xStorage = ::comphelper::OStorageHelper::GetStorageFromURL2( + URL, embed::ElementModes::READ, m_pImpl->m_xContext); + } + } catch (const uno::RuntimeException &) { + throw; + } catch (const io::IOException &) { + throw; + } catch (const uno::Exception &) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetException( + "DocumentMetadataAccess::loadMetadataFromMedium: " + "exception", *this, anyEx); + } + if (!xStorage.is()) { + throw uno::RuntimeException( + "DocumentMetadataAccess::loadMetadataFromMedium: " + "cannot get Storage", *this); + } + uno::Reference<rdf::XURI> xBaseURI; + try { + xBaseURI = createBaseURI(m_pImpl->m_xContext, nullptr, BaseURL); + } catch (const uno::Exception &) { + // fall back to URL + try { + xBaseURI = createBaseURI(m_pImpl->m_xContext, nullptr, URL); + } catch (const uno::Exception &) { + OSL_FAIL("cannot create base URI"); + } + } + uno::Reference<task::XInteractionHandler> xIH; + md[ utl::MediaDescriptor::PROP_INTERACTIONHANDLER ] >>= xIH; + loadMetadataFromStorage(xStorage, xBaseURI, xIH); +} + +void SAL_CALL +DocumentMetadataAccess::storeMetadataToMedium( + const uno::Sequence< beans::PropertyValue > & i_rMedium) +{ + utl::MediaDescriptor md(i_rMedium); + OUString URL; + md[ utl::MediaDescriptor::PROP_URL ] >>= URL; + if (URL.isEmpty()) { + throw lang::IllegalArgumentException( + "DocumentMetadataAccess::storeMetadataToMedium: " + "invalid medium: no URL", *this, 0); + } + + SfxMedium aMedium(i_rMedium); + uno::Reference<embed::XStorage> xStorage(aMedium.GetOutputStorage()); + + bool sfx(false); + if (xStorage.is()) { + sfx = true; + } else { + xStorage = ::comphelper::OStorageHelper::GetStorageFromURL2( + URL, embed::ElementModes::WRITE, m_pImpl->m_xContext); + } + + if (!xStorage.is()) { + throw uno::RuntimeException( + "DocumentMetadataAccess::storeMetadataToMedium: " + "cannot get Storage", *this); + } + // set MIME type of the storage + utl::MediaDescriptor::const_iterator iter + = md.find(utl::MediaDescriptor::PROP_MEDIATYPE); + if (iter != md.end()) { + uno::Reference< beans::XPropertySet > xProps(xStorage, + uno::UNO_QUERY_THROW); + try { + // this is NOT supported in FileSystemStorage + xProps->setPropertyValue( + utl::MediaDescriptor::PROP_MEDIATYPE, + iter->second); + } catch (const uno::Exception &) { } + } + storeMetadataToStorage(xStorage); + + if (!sfx) + return; + + const bool bOk = aMedium.Commit(); + aMedium.Close(); + if ( !bOk ) { + ErrCodeMsg nError = aMedium.GetErrorIgnoreWarning(); + if ( nError == ERRCODE_NONE ) { + nError = ERRCODE_IO_GENERAL; + } + task::ErrorCodeIOException ex( + "DocumentMetadataAccess::storeMetadataToMedium Commit failed: " + nError.toString(), + uno::Reference< uno::XInterface >(), sal_uInt32(nError.GetCode())); + throw lang::WrappedTargetException(OUString(), *this, + uno::Any(ex)); + } +} + +} // namespace sfx2 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |