608 lines
22 KiB
C++
608 lines
22 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <memory>
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#include <config_features.h>
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#include <strings.hrc>
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#include <dp_backend.h>
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#include <dp_misc.h>
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#include "dp_helpbackenddb.hxx"
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#include <dp_ucb.h>
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#include <rtl/uri.hxx>
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#include <osl/file.hxx>
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#include <ucbhelper/content.hxx>
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#include <svl/inettype.hxx>
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#include <unotools/pathoptions.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <o3tl/string_view.hxx>
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#if HAVE_FEATURE_XMLHELP
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#include <helpcompiler/compilehelp.hxx>
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#include <helpcompiler/HelpIndexer.hxx>
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#endif
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#include <com/sun/star/deployment/DeploymentException.hpp>
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#include <com/sun/star/deployment/ExtensionRemovedException.hpp>
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#include <com/sun/star/ucb/SimpleFileAccess.hpp>
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#include <com/sun/star/util/XMacroExpander.hpp>
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#include <optional>
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#include <string_view>
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using namespace ::dp_misc;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::ucb;
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namespace dp_registry::backend::help {
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namespace {
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class BackendImpl : public ::dp_registry::backend::PackageRegistryBackend
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{
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class PackageImpl : public ::dp_registry::backend::Package
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{
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BackendImpl * getMyBackend() const;
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// Package
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virtual beans::Optional< beans::Ambiguous<sal_Bool> > isRegistered_(
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::osl::ResettableMutexGuard & guard,
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::rtl::Reference<AbortChannel> const & abortChannel,
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Reference<XCommandEnvironment> const & xCmdEnv ) override;
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virtual void processPackage_(
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::osl::ResettableMutexGuard & guard,
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bool registerPackage,
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bool startup,
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::rtl::Reference<AbortChannel> const & abortChannel,
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Reference<XCommandEnvironment> const & xCmdEnv ) override;
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public:
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PackageImpl(
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::rtl::Reference<PackageRegistryBackend> const & myBackend,
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OUString const & url, OUString const & name,
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Reference<deployment::XPackageTypeInfo> const & xPackageType,
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bool bRemoved, OUString const & identifier);
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bool extensionContainsCompiledHelp();
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//XPackage
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virtual css::beans::Optional< OUString > SAL_CALL getRegistrationDataURL() override;
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};
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friend class PackageImpl;
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// PackageRegistryBackend
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virtual Reference<deployment::XPackage> bindPackage_(
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OUString const & url, OUString const & mediaType,
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bool bRemoved, OUString const & identifier,
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Reference<XCommandEnvironment> const & xCmdEnv ) override;
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void implProcessHelp( PackageImpl * package, bool doRegisterPackage,
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Reference<ucb::XCommandEnvironment> const & xCmdEnv);
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void implCollectXhpFiles( const OUString& aDir,
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std::vector< OUString >& o_rXhpFileVector );
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::std::optional<HelpBackendDb::Data> readDataFromDb(std::u16string_view url);
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bool hasActiveEntry(std::u16string_view url);
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bool activateEntry(std::u16string_view url);
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Reference< ucb::XSimpleFileAccess3 > const & getFileAccess();
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Reference< ucb::XSimpleFileAccess3 > m_xSFA;
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const Reference<deployment::XPackageTypeInfo> m_xHelpTypeInfo;
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Sequence< Reference<deployment::XPackageTypeInfo> > m_typeInfos;
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std::unique_ptr<HelpBackendDb> m_backendDb;
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public:
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BackendImpl( Sequence<Any> const & args,
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Reference<XComponentContext> const & xComponentContext );
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName() override;
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virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
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virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
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// XPackageRegistry
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virtual Sequence< Reference<deployment::XPackageTypeInfo> > SAL_CALL
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getSupportedPackageTypes() override;
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virtual void SAL_CALL packageRemoved(OUString const & url, OUString const & mediaType) override;
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};
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BackendImpl::BackendImpl(
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Sequence<Any> const & args,
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Reference<XComponentContext> const & xComponentContext )
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: PackageRegistryBackend( args, xComponentContext ),
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m_xHelpTypeInfo( new Package::TypeInfo(u"application/vnd.sun.star.help"_ustr,
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OUString(),
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DpResId(RID_STR_HELP)
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) ),
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m_typeInfos{ m_xHelpTypeInfo }
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{
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if (transientMode())
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return;
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OUString dbFile = makeURL(getCachePath(), u"backenddb.xml"_ustr);
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m_backendDb.reset(
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new HelpBackendDb(getComponentContext(), dbFile));
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//clean up data folders which are no longer used.
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//This must not be done in the same process where the help files
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//are still registers. Only after revoking and restarting OOo the folders
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//can be removed. This works now, because the extension manager is a singleton
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//and the backends are only create once per process.
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std::vector<OUString> folders = m_backendDb->getAllDataUrls();
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deleteUnusedFolders(folders);
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}
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// XServiceInfo
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OUString BackendImpl::getImplementationName()
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{
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return u"com.sun.star.comp.deployment.help.PackageRegistryBackend"_ustr;
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}
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sal_Bool BackendImpl::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService(this, ServiceName);
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}
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css::uno::Sequence< OUString > BackendImpl::getSupportedServiceNames()
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{
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return { BACKEND_SERVICE_NAME };
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}
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// XPackageRegistry
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Sequence< Reference<deployment::XPackageTypeInfo> >
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BackendImpl::getSupportedPackageTypes()
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{
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return m_typeInfos;
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}
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void BackendImpl::packageRemoved(OUString const & url, OUString const & /*mediaType*/)
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{
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if (m_backendDb)
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m_backendDb->removeEntry(url);
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}
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// PackageRegistryBackend
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Reference<deployment::XPackage> BackendImpl::bindPackage_(
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OUString const & url, OUString const & mediaType_,
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bool bRemoved, OUString const & identifier,
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Reference<XCommandEnvironment> const & xCmdEnv )
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{
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// we don't support auto detection:
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if (mediaType_.isEmpty())
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throw lang::IllegalArgumentException(
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StrCannotDetectMediaType() + url,
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static_cast<OWeakObject *>(this), static_cast<sal_Int16>(-1) );
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OUString type, subType;
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INetContentTypeParameterList params;
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if (INetContentTypes::parse( mediaType_, type, subType, ¶ms ))
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{
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if (type.equalsIgnoreAsciiCase("application"))
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{
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OUString name;
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if (!bRemoved)
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{
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::ucbhelper::Content ucbContent(
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url, xCmdEnv, getComponentContext() );
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name = StrTitle::getTitle( ucbContent );
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}
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if (subType.equalsIgnoreAsciiCase( "vnd.sun.star.help"))
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{
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return new PackageImpl(
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this, url, name, m_xHelpTypeInfo, bRemoved,
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identifier);
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}
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}
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}
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throw lang::IllegalArgumentException(
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StrUnsupportedMediaType() + mediaType_,
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static_cast<OWeakObject *>(this),
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static_cast<sal_Int16>(-1) );
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}
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::std::optional<HelpBackendDb::Data> BackendImpl::readDataFromDb(
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std::u16string_view url)
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{
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::std::optional<HelpBackendDb::Data> data;
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if (m_backendDb)
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data = m_backendDb->getEntry(url);
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return data;
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}
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bool BackendImpl::hasActiveEntry(std::u16string_view url)
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{
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if (m_backendDb)
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return m_backendDb->hasActiveEntry(url);
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return false;
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}
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bool BackendImpl::activateEntry(std::u16string_view url)
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{
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if (m_backendDb)
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return m_backendDb->activateEntry(url);
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return false;
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}
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BackendImpl::PackageImpl::PackageImpl(
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::rtl::Reference<PackageRegistryBackend> const & myBackend,
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OUString const & url, OUString const & name,
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Reference<deployment::XPackageTypeInfo> const & xPackageType,
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bool bRemoved, OUString const & identifier)
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: Package( myBackend, url, name, name, xPackageType, bRemoved,
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identifier)
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{
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}
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// Package
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BackendImpl * BackendImpl::PackageImpl::getMyBackend() const
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{
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BackendImpl * pBackend = static_cast<BackendImpl *>(m_myBackend.get());
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if (nullptr == pBackend)
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{
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//May throw a DisposedException
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check();
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//We should never get here...
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throw RuntimeException(u"Failed to get the BackendImpl"_ustr,
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static_cast<OWeakObject*>(const_cast<PackageImpl *>(this)));
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}
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return pBackend;
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}
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bool BackendImpl::PackageImpl::extensionContainsCompiledHelp()
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{
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bool bCompiled = true;
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OUString aExpandedHelpURL = dp_misc::expandUnoRcUrl(getURL());
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::osl::Directory helpFolder(aExpandedHelpURL);
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if ( helpFolder.open() == ::osl::File::E_None)
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{
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//iterate over the contents of the help folder
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//We assume that all folders within the help folder contain language specific
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//help files. If just one of them does not contain compiled help then this
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//function returns false.
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::osl::DirectoryItem item;
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::osl::File::RC errorNext = ::osl::File::E_None;
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while ((errorNext = helpFolder.getNextItem(item)) == ::osl::File::E_None)
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{
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//No find the language folders
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::osl::FileStatus stat(osl_FileStatus_Mask_Type | osl_FileStatus_Mask_FileName |osl_FileStatus_Mask_FileURL);
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if (item.getFileStatus(stat) == ::osl::File::E_None)
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{
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if (stat.getFileType() != ::osl::FileStatus::Directory)
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continue;
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//look if there is the folder help.idxl in the language folder
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OUString compUrl(stat.getFileURL() + "/help.idxl");
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::osl::Directory compiledFolder(compUrl);
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if (compiledFolder.open() != ::osl::File::E_None)
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{
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bCompiled = false;
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break;
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}
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}
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else
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{
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//Error
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OSL_ASSERT(false);
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bCompiled = false;
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break;
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}
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}
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if (errorNext != ::osl::File::E_NOENT
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&& errorNext != ::osl::File::E_None)
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{
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//Error
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OSL_ASSERT(false);
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bCompiled = false;
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}
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}
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return bCompiled;
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}
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beans::Optional< beans::Ambiguous<sal_Bool> >
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BackendImpl::PackageImpl::isRegistered_(
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::osl::ResettableMutexGuard &,
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::rtl::Reference<AbortChannel> const &,
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Reference<XCommandEnvironment> const & )
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{
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BackendImpl * that = getMyBackend();
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bool bReg = false;
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if (that->hasActiveEntry(getURL()))
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bReg = true;
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return beans::Optional< beans::Ambiguous<sal_Bool> >( true, beans::Ambiguous<sal_Bool>( bReg, false ) );
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}
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void BackendImpl::PackageImpl::processPackage_(
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::osl::ResettableMutexGuard &,
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bool doRegisterPackage,
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bool /* startup */,
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::rtl::Reference<AbortChannel> const &,
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Reference<XCommandEnvironment> const & xCmdEnv )
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{
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BackendImpl* that = getMyBackend();
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that->implProcessHelp( this, doRegisterPackage, xCmdEnv);
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}
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beans::Optional< OUString > BackendImpl::PackageImpl::getRegistrationDataURL()
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{
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if (m_bRemoved)
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throw deployment::ExtensionRemovedException();
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::std::optional<HelpBackendDb::Data> data =
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getMyBackend()->readDataFromDb(getURL());
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if (data && getMyBackend()->hasActiveEntry(getURL()))
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return beans::Optional<OUString>(true, data->dataUrl);
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return beans::Optional<OUString>(true, OUString());
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}
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void BackendImpl::implProcessHelp(
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PackageImpl * package, bool doRegisterPackage,
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Reference<ucb::XCommandEnvironment> const & xCmdEnv)
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{
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Reference< deployment::XPackage > xPackage(package);
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OSL_ASSERT(xPackage.is());
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if (doRegisterPackage)
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{
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//revive already processed help if possible
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if ( !activateEntry(xPackage->getURL()))
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{
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HelpBackendDb::Data data;
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data.dataUrl = xPackage->getURL();
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if (!package->extensionContainsCompiledHelp())
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{
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#if HAVE_FEATURE_XMLHELP
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const OUString sHelpFolder = createFolder(xCmdEnv);
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data.dataUrl = sHelpFolder;
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Reference< ucb::XSimpleFileAccess3 > xSFA = getFileAccess();
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OUString aHelpURL = xPackage->getURL();
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OUString aExpandedHelpURL = dp_misc::expandUnoRcUrl( aHelpURL );
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if( !xSFA->isFolder( aExpandedHelpURL ) )
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{
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OUString aErrStr = DpResId( RID_STR_HELPPROCESSING_GENERAL_ERROR ) +
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"No help folder";
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OWeakObject* oWeakThis = this;
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throw deployment::DeploymentException( OUString(), oWeakThis,
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Any( uno::Exception( aErrStr, oWeakThis ) ) );
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}
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// Scan languages
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for (auto& aLangURL : xSFA->getFolderContents(aExpandedHelpURL, true))
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{
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if( xSFA->isFolder( aLangURL ) )
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{
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std::vector< OUString > aXhpFileVector;
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// calculate jar file URL
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sal_Int32 indexStartSegment = aLangURL.lastIndexOf('/');
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// for example "/en"
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OUString langFolderURLSegment(
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aLangURL.copy(
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indexStartSegment + 1, aLangURL.getLength() - indexStartSegment - 1));
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//create the folder in the "temporary folder"
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::ucbhelper::Content langFolderContent;
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const OUString langFolderDest = makeURL(sHelpFolder, langFolderURLSegment);
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const OUString langFolderDestExpanded = ::dp_misc::expandUnoRcUrl(langFolderDest);
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::dp_misc::create_folder(
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&langFolderContent,
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langFolderDest, xCmdEnv);
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static constexpr OUString aHelpStr(u"help"_ustr);
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OUString aJarFile(
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makeURL(sHelpFolder, langFolderURLSegment + "/" + aHelpStr + ".jar"));
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aJarFile = ::dp_misc::expandUnoRcUrl(aJarFile);
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OUString aEncodedJarFilePath = rtl::Uri::encode(
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aJarFile, rtl_UriCharClassPchar,
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rtl_UriEncodeIgnoreEscapes,
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RTL_TEXTENCODING_UTF8 );
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OUString aDestBasePath = "vnd.sun.star.zip://" +
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aEncodedJarFilePath + "/" ;
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sal_Int32 nLenLangFolderURL = aLangURL.getLength() + 1;
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for (auto& aSubFolderURL : xSFA->getFolderContents(aLangURL, true))
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{
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if( !xSFA->isFolder( aSubFolderURL ) )
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continue;
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implCollectXhpFiles( aSubFolderURL, aXhpFileVector );
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// Copy to package (later: move?)
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std::u16string_view aPureFolderName = aSubFolderURL.subView( nLenLangFolderURL );
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OUString aDestPath = aDestBasePath + aPureFolderName;
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xSFA->copy( aSubFolderURL, aDestPath );
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}
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// Call compiler
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sal_Int32 nXhpFileCount = aXhpFileVector.size();
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std::unique_ptr<OUString[]> pXhpFiles(new OUString[nXhpFileCount]);
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for( sal_Int32 iXhp = 0 ; iXhp < nXhpFileCount ; ++iXhp )
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{
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const OUString& aXhpFile = aXhpFileVector[iXhp];
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pXhpFiles[iXhp] = aXhpFile.copy( nLenLangFolderURL );
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}
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OUString aOfficeHelpPath( SvtPathOptions().GetHelpPath() );
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OUString aOfficeHelpPathFileURL;
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::osl::File::getFileURLFromSystemPath( aOfficeHelpPath, aOfficeHelpPathFileURL );
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HelpProcessingErrorInfo aErrorInfo;
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bool bSuccess = compileExtensionHelp(
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aOfficeHelpPathFileURL, aHelpStr, aLangURL,
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nXhpFileCount, pXhpFiles.get(),
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langFolderDestExpanded, aErrorInfo );
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pXhpFiles.reset();
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if( bSuccess )
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{
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OUString aLang;
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sal_Int32 nLastSlash = aLangURL.lastIndexOf( '/' );
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if( nLastSlash != -1 )
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aLang = aLangURL.copy( nLastSlash + 1 );
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else
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aLang = "en";
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HelpIndexer aIndexer(aLang, u"help"_ustr, langFolderDestExpanded, langFolderDestExpanded);
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aIndexer.indexDocuments();
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}
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if( !bSuccess )
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{
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TranslateId pErrStrId;
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switch( aErrorInfo.m_eErrorClass )
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{
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case HelpProcessingErrorClass::General: pErrStrId = RID_STR_HELPPROCESSING_GENERAL_ERROR; break;
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case HelpProcessingErrorClass::XmlParsing: pErrStrId = RID_STR_HELPPROCESSING_XMLPARSING_ERROR; break;
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default: ;
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};
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OUString aErrStr;
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if (pErrStrId)
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{
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aErrStr = DpResId(pErrStrId);
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// Remove CR/LF
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OUString aErrMsg( aErrorInfo.m_aErrorMsg );
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sal_Unicode const nCR = 13, nLF = 10;
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sal_Int32 nSearchCR = aErrMsg.indexOf( nCR );
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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
|
|
for (auto& aURL : xSFA->getFolderContents(aDir, true))
|
|
{
|
|
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(
|
|
u"dp_registry::backend::help::BackendImpl::getFileAccess(), "
|
|
"could not instantiate SimpleFileAccess."_ustr );
|
|
}
|
|
}
|
|
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: */
|