diff options
Diffstat (limited to 'desktop/source/deployment/registry/help/dp_help.cxx')
| -rw-r--r-- | desktop/source/deployment/registry/help/dp_help.cxx | 621 |
1 files changed, 621 insertions, 0 deletions
diff --git a/desktop/source/deployment/registry/help/dp_help.cxx b/desktop/source/deployment/registry/help/dp_help.cxx new file mode 100644 index 000000000..9e1a75fb9 --- /dev/null +++ b/desktop/source/deployment/registry/help/dp_help.cxx @@ -0,0 +1,621 @@ +/* -*- 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 <memory> +#include <config_features.h> + +#include <strings.hrc> +#include <dp_backend.h> +#include <dp_misc.h> +#include "dp_helpbackenddb.hxx" +#include <dp_ucb.h> +#include <rtl/uri.hxx> +#include <osl/file.hxx> +#include <ucbhelper/content.hxx> +#include <svl/inettype.hxx> +#include <unotools/pathoptions.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <o3tl/string_view.hxx> + +#if HAVE_FEATURE_XMLHELP +#include <helpcompiler/compilehelp.hxx> +#include <helpcompiler/HelpIndexer.hxx> +#endif +#include <com/sun/star/deployment/DeploymentException.hpp> +#include <com/sun/star/deployment/ExtensionRemovedException.hpp> +#include <com/sun/star/ucb/SimpleFileAccess.hpp> +#include <com/sun/star/util/XMacroExpander.hpp> +#include <optional> +#include <string_view> + +using namespace ::dp_misc; +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::ucb; + +namespace dp_registry::backend::help { +namespace { + + +class BackendImpl : public ::dp_registry::backend::PackageRegistryBackend +{ + class PackageImpl : public ::dp_registry::backend::Package + { + BackendImpl * getMyBackend() const; + + // Package + virtual beans::Optional< beans::Ambiguous<sal_Bool> > isRegistered_( + ::osl::ResettableMutexGuard & guard, + ::rtl::Reference<AbortChannel> const & abortChannel, + Reference<XCommandEnvironment> const & xCmdEnv ) override; + virtual void processPackage_( + ::osl::ResettableMutexGuard & guard, + bool registerPackage, + bool startup, + ::rtl::Reference<AbortChannel> const & abortChannel, + Reference<XCommandEnvironment> const & xCmdEnv ) override; + + + public: + PackageImpl( + ::rtl::Reference<PackageRegistryBackend> const & myBackend, + OUString const & url, OUString const & name, + Reference<deployment::XPackageTypeInfo> const & xPackageType, + bool bRemoved, OUString const & identifier); + + bool extensionContainsCompiledHelp(); + + //XPackage + virtual css::beans::Optional< OUString > SAL_CALL getRegistrationDataURL() override; + }; + friend class PackageImpl; + + // PackageRegistryBackend + virtual Reference<deployment::XPackage> bindPackage_( + OUString const & url, OUString const & mediaType, + bool bRemoved, OUString const & identifier, + Reference<XCommandEnvironment> const & xCmdEnv ) override; + + void implProcessHelp( PackageImpl * package, bool doRegisterPackage, + Reference<ucb::XCommandEnvironment> const & xCmdEnv); + void implCollectXhpFiles( const OUString& aDir, + std::vector< OUString >& o_rXhpFileVector ); + + ::std::optional<HelpBackendDb::Data> readDataFromDb(std::u16string_view url); + bool hasActiveEntry(std::u16string_view url); + bool activateEntry(std::u16string_view url); + + Reference< ucb::XSimpleFileAccess3 > const & getFileAccess(); + Reference< ucb::XSimpleFileAccess3 > m_xSFA; + + const Reference<deployment::XPackageTypeInfo> m_xHelpTypeInfo; + Sequence< Reference<deployment::XPackageTypeInfo> > m_typeInfos; + std::unique_ptr<HelpBackendDb> m_backendDb; + +public: + BackendImpl( Sequence<Any> const & args, + Reference<XComponentContext> const & xComponentContext ); + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; + virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override; + + // XPackageRegistry + virtual Sequence< Reference<deployment::XPackageTypeInfo> > SAL_CALL + getSupportedPackageTypes() override; + virtual void SAL_CALL packageRemoved(OUString const & url, OUString const & mediaType) override; + +}; + + +BackendImpl::BackendImpl( + Sequence<Any> const & args, + Reference<XComponentContext> const & xComponentContext ) + : PackageRegistryBackend( args, xComponentContext ), + m_xHelpTypeInfo( new Package::TypeInfo("application/vnd.sun.star.help", + OUString(), + DpResId(RID_STR_HELP) + ) ), + m_typeInfos{ m_xHelpTypeInfo } +{ + if (transientMode()) + return; + + OUString dbFile = makeURL(getCachePath(), "backenddb.xml"); + m_backendDb.reset( + new HelpBackendDb(getComponentContext(), dbFile)); + + //clean up data folders which are no longer used. + //This must not be done in the same process where the help files + //are still registers. Only after revoking and restarting OOo the folders + //can be removed. This works now, because the extension manager is a singleton + //and the backends are only create once per process. + std::vector<OUString> folders = m_backendDb->getAllDataUrls(); + deleteUnusedFolders(folders); +} + +// XServiceInfo +OUString BackendImpl::getImplementationName() +{ + return "com.sun.star.comp.deployment.help.PackageRegistryBackend"; +} + +sal_Bool BackendImpl::supportsService( const OUString& ServiceName ) +{ + return cppu::supportsService(this, ServiceName); +} + +css::uno::Sequence< OUString > BackendImpl::getSupportedServiceNames() +{ + return { BACKEND_SERVICE_NAME }; +} + +// XPackageRegistry + +Sequence< Reference<deployment::XPackageTypeInfo> > +BackendImpl::getSupportedPackageTypes() +{ + return m_typeInfos; +} + +void BackendImpl::packageRemoved(OUString const & url, OUString const & /*mediaType*/) +{ + if (m_backendDb) + m_backendDb->removeEntry(url); +} + +// PackageRegistryBackend + +Reference<deployment::XPackage> BackendImpl::bindPackage_( + OUString const & url, OUString const & mediaType_, + bool bRemoved, OUString const & identifier, + Reference<XCommandEnvironment> const & xCmdEnv ) +{ + // we don't support auto detection: + if (mediaType_.isEmpty()) + throw lang::IllegalArgumentException( + StrCannotDetectMediaType() + url, + static_cast<OWeakObject *>(this), static_cast<sal_Int16>(-1) ); + + OUString type, subType; + INetContentTypeParameterList params; + if (INetContentTypes::parse( mediaType_, type, subType, ¶ms )) + { + if (type.equalsIgnoreAsciiCase("application")) + { + OUString name; + if (!bRemoved) + { + ::ucbhelper::Content ucbContent( + url, xCmdEnv, getComponentContext() ); + name = StrTitle::getTitle( ucbContent ); + } + + if (subType.equalsIgnoreAsciiCase( "vnd.sun.star.help")) + { + return new PackageImpl( + this, url, name, m_xHelpTypeInfo, bRemoved, + identifier); + } + } + } + throw lang::IllegalArgumentException( + StrUnsupportedMediaType() + mediaType_, + static_cast<OWeakObject *>(this), + static_cast<sal_Int16>(-1) ); +} + +::std::optional<HelpBackendDb::Data> BackendImpl::readDataFromDb( + std::u16string_view url) +{ + ::std::optional<HelpBackendDb::Data> data; + if (m_backendDb) + data = m_backendDb->getEntry(url); + return data; +} + +bool BackendImpl::hasActiveEntry(std::u16string_view url) +{ + if (m_backendDb) + return m_backendDb->hasActiveEntry(url); + return false; +} + +bool BackendImpl::activateEntry(std::u16string_view url) +{ + if (m_backendDb) + return m_backendDb->activateEntry(url); + return false; +} + + +BackendImpl::PackageImpl::PackageImpl( + ::rtl::Reference<PackageRegistryBackend> const & myBackend, + OUString const & url, OUString const & name, + Reference<deployment::XPackageTypeInfo> const & xPackageType, + bool bRemoved, OUString const & identifier) + : Package( myBackend, url, name, name, xPackageType, bRemoved, + identifier) +{ +} + +// Package +BackendImpl * BackendImpl::PackageImpl::getMyBackend() const +{ + BackendImpl * pBackend = static_cast<BackendImpl *>(m_myBackend.get()); + if (nullptr == pBackend) + { + //May throw a DisposedException + check(); + //We should never get here... + throw RuntimeException("Failed to get the BackendImpl", + static_cast<OWeakObject*>(const_cast<PackageImpl *>(this))); + } + return pBackend; +} + +bool BackendImpl::PackageImpl::extensionContainsCompiledHelp() +{ + bool bCompiled = true; + OUString aExpandedHelpURL = dp_misc::expandUnoRcUrl(getURL()); + + ::osl::Directory helpFolder(aExpandedHelpURL); + if ( helpFolder.open() == ::osl::File::E_None) + { + //iterate over the contents of the help folder + //We assume that all folders within the help folder contain language specific + //help files. If just one of them does not contain compiled help then this + //function returns false. + ::osl::DirectoryItem item; + ::osl::File::RC errorNext = ::osl::File::E_None; + while ((errorNext = helpFolder.getNextItem(item)) == ::osl::File::E_None) + { + //No find the language folders + ::osl::FileStatus stat(osl_FileStatus_Mask_Type | osl_FileStatus_Mask_FileName |osl_FileStatus_Mask_FileURL); + if (item.getFileStatus(stat) == ::osl::File::E_None) + { + if (stat.getFileType() != ::osl::FileStatus::Directory) + continue; + + //look if there is the folder help.idxl in the language folder + OUString compUrl(stat.getFileURL() + "/help.idxl"); + ::osl::Directory compiledFolder(compUrl); + if (compiledFolder.open() != ::osl::File::E_None) + { + bCompiled = false; + break; + } + } + else + { + //Error + OSL_ASSERT(false); + bCompiled = false; + break; + } + } + if (errorNext != ::osl::File::E_NOENT + && errorNext != ::osl::File::E_None) + { + //Error + OSL_ASSERT(false); + bCompiled = false; + } + } + return bCompiled; +} + + +beans::Optional< beans::Ambiguous<sal_Bool> > +BackendImpl::PackageImpl::isRegistered_( + ::osl::ResettableMutexGuard &, + ::rtl::Reference<AbortChannel> const &, + Reference<XCommandEnvironment> const & ) +{ + BackendImpl * that = getMyBackend(); + + bool bReg = false; + if (that->hasActiveEntry(getURL())) + bReg = true; + + return beans::Optional< beans::Ambiguous<sal_Bool> >( true, beans::Ambiguous<sal_Bool>( bReg, false ) ); +} + + +void BackendImpl::PackageImpl::processPackage_( + ::osl::ResettableMutexGuard &, + bool doRegisterPackage, + bool /* startup */, + ::rtl::Reference<AbortChannel> const &, + Reference<XCommandEnvironment> const & xCmdEnv ) +{ + BackendImpl* that = getMyBackend(); + that->implProcessHelp( this, doRegisterPackage, xCmdEnv); +} + +beans::Optional< OUString > BackendImpl::PackageImpl::getRegistrationDataURL() +{ + if (m_bRemoved) + throw deployment::ExtensionRemovedException(); + + ::std::optional<HelpBackendDb::Data> data = + getMyBackend()->readDataFromDb(getURL()); + + if (data && getMyBackend()->hasActiveEntry(getURL())) + return beans::Optional<OUString>(true, data->dataUrl); + + return beans::Optional<OUString>(true, OUString()); +} + +void BackendImpl::implProcessHelp( + PackageImpl * package, bool doRegisterPackage, + Reference<ucb::XCommandEnvironment> const & xCmdEnv) +{ + Reference< deployment::XPackage > xPackage(package); + OSL_ASSERT(xPackage.is()); + if (doRegisterPackage) + { + //revive already processed help if possible + if ( !activateEntry(xPackage->getURL())) + { + HelpBackendDb::Data data; + data.dataUrl = xPackage->getURL(); + if (!package->extensionContainsCompiledHelp()) + { +#if HAVE_FEATURE_XMLHELP + const OUString sHelpFolder = createFolder(xCmdEnv); + data.dataUrl = sHelpFolder; + + Reference< ucb::XSimpleFileAccess3 > xSFA = getFileAccess(); + OUString aHelpURL = xPackage->getURL(); + OUString aExpandedHelpURL = dp_misc::expandUnoRcUrl( aHelpURL ); + if( !xSFA->isFolder( aExpandedHelpURL ) ) + { + OUString aErrStr = DpResId( RID_STR_HELPPROCESSING_GENERAL_ERROR ) + + "No help folder"; + OWeakObject* oWeakThis = this; + throw deployment::DeploymentException( OUString(), oWeakThis, + Any( uno::Exception( aErrStr, oWeakThis ) ) ); + } + + // Scan languages + Sequence< OUString > aLanguageFolderSeq = xSFA->getFolderContents( aExpandedHelpURL, true ); + sal_Int32 nLangCount = aLanguageFolderSeq.getLength(); + const OUString* pSeq = aLanguageFolderSeq.getConstArray(); + for( sal_Int32 iLang = 0 ; iLang < nLangCount ; ++iLang ) + { + OUString aLangURL = pSeq[iLang]; + if( xSFA->isFolder( aLangURL ) ) + { + std::vector< OUString > aXhpFileVector; + + // calculate jar file URL + sal_Int32 indexStartSegment = aLangURL.lastIndexOf('/'); + // for example "/en" + OUString langFolderURLSegment( + aLangURL.copy( + indexStartSegment + 1, aLangURL.getLength() - indexStartSegment - 1)); + + //create the folder in the "temporary folder" + ::ucbhelper::Content langFolderContent; + const OUString langFolderDest = makeURL(sHelpFolder, langFolderURLSegment); + const OUString langFolderDestExpanded = ::dp_misc::expandUnoRcUrl(langFolderDest); + ::dp_misc::create_folder( + &langFolderContent, + langFolderDest, xCmdEnv); + + static const OUStringLiteral aHelpStr(u"help"); + + OUString aJarFile( + makeURL(sHelpFolder, langFolderURLSegment + "/" + aHelpStr + ".jar")); + aJarFile = ::dp_misc::expandUnoRcUrl(aJarFile); + + OUString aEncodedJarFilePath = rtl::Uri::encode( + aJarFile, rtl_UriCharClassPchar, + rtl_UriEncodeIgnoreEscapes, + RTL_TEXTENCODING_UTF8 ); + OUString aDestBasePath = "vnd.sun.star.zip://" + + aEncodedJarFilePath + "/" ; + + sal_Int32 nLenLangFolderURL = aLangURL.getLength() + 1; + + Sequence< OUString > aSubLangSeq = xSFA->getFolderContents( aLangURL, true ); + sal_Int32 nSubLangCount = aSubLangSeq.getLength(); + const OUString* pSubLangSeq = aSubLangSeq.getConstArray(); + for( sal_Int32 iSubLang = 0 ; iSubLang < nSubLangCount ; ++iSubLang ) + { + OUString aSubFolderURL = pSubLangSeq[iSubLang]; + if( !xSFA->isFolder( aSubFolderURL ) ) + continue; + + implCollectXhpFiles( aSubFolderURL, aXhpFileVector ); + + // Copy to package (later: move?) + std::u16string_view aPureFolderName = aSubFolderURL.subView( nLenLangFolderURL ); + OUString aDestPath = aDestBasePath + aPureFolderName; + xSFA->copy( aSubFolderURL, aDestPath ); + } + + // Call compiler + sal_Int32 nXhpFileCount = aXhpFileVector.size(); + std::unique_ptr<OUString[]> pXhpFiles(new OUString[nXhpFileCount]); + for( sal_Int32 iXhp = 0 ; iXhp < nXhpFileCount ; ++iXhp ) + { + OUString aXhpFile = aXhpFileVector[iXhp]; + OUString aXhpRelFile = aXhpFile.copy( nLenLangFolderURL ); + pXhpFiles[iXhp] = aXhpRelFile; + } + + OUString aOfficeHelpPath( SvtPathOptions().GetHelpPath() ); + OUString aOfficeHelpPathFileURL; + ::osl::File::getFileURLFromSystemPath( aOfficeHelpPath, aOfficeHelpPathFileURL ); + + HelpProcessingErrorInfo aErrorInfo; + bool bSuccess = compileExtensionHelp( + aOfficeHelpPathFileURL, aHelpStr, aLangURL, + nXhpFileCount, pXhpFiles.get(), + langFolderDestExpanded, aErrorInfo ); + + pXhpFiles.reset(); + + if( bSuccess ) + { + OUString aLang; + sal_Int32 nLastSlash = aLangURL.lastIndexOf( '/' ); + if( nLastSlash != -1 ) + aLang = aLangURL.copy( nLastSlash + 1 ); + else + aLang = "en"; + + HelpIndexer aIndexer(aLang, "help", langFolderDestExpanded, langFolderDestExpanded); + aIndexer.indexDocuments(); + } + + if( !bSuccess ) + { + TranslateId pErrStrId; + switch( aErrorInfo.m_eErrorClass ) + { + case HelpProcessingErrorClass::General: pErrStrId = RID_STR_HELPPROCESSING_GENERAL_ERROR; break; + case HelpProcessingErrorClass::XmlParsing: pErrStrId = RID_STR_HELPPROCESSING_XMLPARSING_ERROR; break; + default: ; + }; + + OUString aErrStr; + if (pErrStrId) + { + aErrStr = DpResId(pErrStrId); + + // Remove CR/LF + OUString aErrMsg( aErrorInfo.m_aErrorMsg ); + sal_Unicode const nCR = 13, nLF = 10; + sal_Int32 nSearchCR = aErrMsg.indexOf( nCR ); + sal_Int32 nSearchLF = aErrMsg.indexOf( nLF ); + if( nSearchCR != -1 || nSearchLF != -1 ) + { + sal_Int32 nCopy; + if( nSearchCR == -1 ) + nCopy = nSearchLF; + else if( nSearchLF == -1 ) + nCopy = nSearchCR; + else + nCopy = ( nSearchCR < nSearchLF ) ? nSearchCR : nSearchLF; + + aErrMsg = aErrMsg.copy( 0, nCopy ); + } + aErrStr += aErrMsg; + if (pErrStrId != RID_STR_HELPPROCESSING_XMLPARSING_ERROR && !aErrorInfo.m_aXMLParsingFile.isEmpty() ) + { + aErrStr += " in "; + + OUString aDecodedFile = rtl::Uri::decode( aErrorInfo.m_aXMLParsingFile, + rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8 ); + aErrStr += aDecodedFile; + if( aErrorInfo.m_nXMLParsingLine != -1 ) + { + aErrStr += ", line " + + OUString::number( aErrorInfo.m_nXMLParsingLine ); + } + } + } + + OWeakObject* oWeakThis = this; + throw deployment::DeploymentException( OUString(), oWeakThis, + Any( uno::Exception( aErrStr, oWeakThis ) ) ); + } + } + } +#else + (void) xCmdEnv; +#endif + } + // Writing the data entry replaces writing the flag file. If we got to this + // point the registration was successful. + if (m_backendDb) + m_backendDb->addEntry(xPackage->getURL(), data); + } + } //if (doRegisterPackage) + else + { + if (m_backendDb) + m_backendDb->revokeEntry(xPackage->getURL()); + } +} + +void BackendImpl::implCollectXhpFiles( const OUString& aDir, + std::vector< OUString >& o_rXhpFileVector ) +{ + Reference< ucb::XSimpleFileAccess3 > xSFA = getFileAccess(); + + // Scan xhp files recursively + Sequence< OUString > aSeq = xSFA->getFolderContents( aDir, true ); + sal_Int32 nCount = aSeq.getLength(); + const OUString* pSeq = aSeq.getConstArray(); + for( sal_Int32 i = 0 ; i < nCount ; ++i ) + { + OUString aURL = pSeq[i]; + if( xSFA->isFolder( aURL ) ) + { + implCollectXhpFiles( aURL, o_rXhpFileVector ); + } + else + { + sal_Int32 nLastDot = aURL.lastIndexOf( '.' ); + if( nLastDot != -1 ) + { + std::u16string_view aExt = aURL.subView( nLastDot + 1 ); + if( o3tl::equalsIgnoreAsciiCase( aExt, u"xhp" ) ) + o_rXhpFileVector.push_back( aURL ); + } + } + } +} + +Reference< ucb::XSimpleFileAccess3 > const & BackendImpl::getFileAccess() +{ + if( !m_xSFA.is() ) + { + Reference<XComponentContext> const & xContext = getComponentContext(); + if( xContext.is() ) + { + m_xSFA = ucb::SimpleFileAccess::create(xContext); + } + if( !m_xSFA.is() ) + { + throw RuntimeException( + "dp_registry::backend::help::BackendImpl::getFileAccess(), " + "could not instantiate SimpleFileAccess." ); + } + } + return m_xSFA; +} + +} // anon namespace + +} // namespace dp_registry + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +com_sun_star_comp_deployment_help_PackageRegistryBackend_get_implementation( + css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args) +{ + return cppu::acquire(new dp_registry::backend::help::BackendImpl(args, context)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |