336 lines
11 KiB
C++
336 lines
11 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 <string_view>
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#include <dp_misc.h>
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#include <dp_backend.h>
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#include <dp_ucb.h>
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#include <dp_interact.h>
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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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 "dp_executablebackenddb.hxx"
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#include <cppuhelper/supportsservice.hxx>
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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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using namespace dp_misc;
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namespace dp_registry::backend::executable {
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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 ExecutablePackageImpl : 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<dp_misc::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<dp_misc::AbortChannel> const & abortChannel,
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Reference<XCommandEnvironment> const & xCmdEnv ) override;
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bool getFileAttributes(sal_uInt64& out_Attributes);
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bool isUrlTargetInExtension() const;
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public:
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ExecutablePackageImpl(
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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 /* display-name */,
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xPackageType, bRemoved, identifier)
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{}
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};
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friend class ExecutablePackageImpl;
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// PackageRegistryBackend
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virtual Reference<deployment::XPackage> bindPackage_(
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OUString const & url, OUString const & mediaType, bool bRemoved,
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OUString const & identifier, Reference<XCommandEnvironment> const & xCmdEnv ) override;
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void addDataToDb(OUString const & url);
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bool hasActiveEntry(std::u16string_view url);
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void revokeEntryFromDb(std::u16string_view url);
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Reference<deployment::XPackageTypeInfo> m_xExecutableTypeInfo;
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std::unique_ptr<ExecutableBackendDb> 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_xExecutableTypeInfo(new Package::TypeInfo(
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u"application/vnd.sun.star.executable"_ustr,
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u""_ustr, u"Executable"_ustr ) )
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{
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if (!transientMode())
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{
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OUString dbFile = makeURL(getCachePath(), u"backenddb.xml"_ustr);
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m_backendDb.reset(
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new ExecutableBackendDb(getComponentContext(), dbFile));
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}
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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.executable.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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void BackendImpl::addDataToDb(OUString const & url)
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{
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if (m_backendDb)
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m_backendDb->addEntry(url);
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}
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void BackendImpl::revokeEntryFromDb(std::u16string_view url)
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{
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if (m_backendDb)
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m_backendDb->revokeEntry(url);
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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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// XPackageRegistry
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Sequence< Reference<deployment::XPackageTypeInfo> >
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BackendImpl::getSupportedPackageTypes()
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{
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return Sequence<Reference<deployment::XPackageTypeInfo> >(
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& m_xExecutableTypeInfo, 1);
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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, bool bRemoved,
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OUString const & identifier, Reference<XCommandEnvironment> const & xCmdEnv )
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{
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if (mediaType.isEmpty())
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{
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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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}
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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.executable"))
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{
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return new BackendImpl::ExecutablePackageImpl(
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this, url, name, m_xExecutableTypeInfo, bRemoved,
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identifier);
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}
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}
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}
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return Reference<deployment::XPackage>();
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}
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// Package
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BackendImpl * BackendImpl::ExecutablePackageImpl::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<ExecutablePackageImpl *>(this)));
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}
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return pBackend;
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}
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beans::Optional< beans::Ambiguous<sal_Bool> >
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BackendImpl::ExecutablePackageImpl::isRegistered_(
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::osl::ResettableMutexGuard &,
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::rtl::Reference<dp_misc::AbortChannel> const &,
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Reference<XCommandEnvironment> const & )
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{
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bool registered = getMyBackend()->hasActiveEntry(getURL());
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return beans::Optional< beans::Ambiguous<sal_Bool> >(
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true /* IsPresent */,
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beans::Ambiguous<sal_Bool>(
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registered, false /* IsAmbiguous */ ) );
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}
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void BackendImpl::ExecutablePackageImpl::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<dp_misc::AbortChannel> const & abortChannel,
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Reference<XCommandEnvironment> const & /*xCmdEnv*/ )
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{
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checkAborted(abortChannel);
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if (doRegisterPackage)
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{
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if (!isUrlTargetInExtension())
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{
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OSL_ASSERT(false);
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return;
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}
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sal_uInt64 attributes = 0;
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//Setting the executable attribute does not affect executables on Windows
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if (getFileAttributes(attributes))
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{
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if(getMyBackend()->m_context == "user")
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attributes |= osl_File_Attribute_OwnExe;
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else if (getMyBackend()->m_context == "shared")
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attributes |= (osl_File_Attribute_OwnExe | osl_File_Attribute_GrpExe
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| osl_File_Attribute_OthExe);
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else if (getMyBackend()->m_context != "bundled")
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//Bundled extensions are required to be in the properly
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//installed. That is an executable must have the right flags
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OSL_ASSERT(false);
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//This won't have effect on Windows
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osl::File::setAttributes(
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dp_misc::expandUnoRcUrl(m_url), attributes);
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}
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getMyBackend()->addDataToDb(getURL());
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}
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else
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{
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getMyBackend()->revokeEntryFromDb(getURL());
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}
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}
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//We currently cannot check if this XPackage represents a content of a particular extension
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//But we can check if we are within $UNO_USER_PACKAGES_CACHE etc.
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//Done for security reasons. For example an extension manifest could contain a path to
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//an executable outside the extension.
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bool BackendImpl::ExecutablePackageImpl::isUrlTargetInExtension() const
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{
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bool bSuccess = false;
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OUString sExtensionDir;
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if(getMyBackend()->m_context == "user")
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sExtensionDir = dp_misc::expandUnoRcTerm(u"$UNO_USER_PACKAGES_CACHE"_ustr);
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else if (getMyBackend()->m_context == "shared")
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sExtensionDir = dp_misc::expandUnoRcTerm(u"$UNO_SHARED_PACKAGES_CACHE"_ustr);
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else if (getMyBackend()->m_context == "bundled")
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sExtensionDir = dp_misc::expandUnoRcTerm(u"$BUNDLED_EXTENSIONS"_ustr);
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else
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OSL_ASSERT(false);
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//remove file ellipses
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if (osl::File::E_None == osl::File::getAbsoluteFileURL(OUString(), sExtensionDir, sExtensionDir))
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{
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OUString sFile;
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if (osl::File::E_None == osl::File::getAbsoluteFileURL(
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OUString(), dp_misc::expandUnoRcUrl(m_url), sFile))
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{
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if (sFile.match(sExtensionDir))
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bSuccess = true;
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}
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}
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return bSuccess;
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}
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bool BackendImpl::ExecutablePackageImpl::getFileAttributes(sal_uInt64& out_Attributes)
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{
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bool bSuccess = false;
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const OUString url(dp_misc::expandUnoRcUrl(m_url));
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osl::DirectoryItem item;
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if (osl::FileBase::E_None == osl::DirectoryItem::get(url, item))
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{
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osl::FileStatus aStatus(osl_FileStatus_Mask_Attributes);
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if( osl::FileBase::E_None == item.getFileStatus(aStatus))
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{
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out_Attributes = aStatus.getAttributes();
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bSuccess = true;
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}
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}
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return bSuccess;
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}
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} // anon namespace
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} // namespace dp_registry::backend::executable
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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com_sun_star_comp_deployment_executable_PackageRegistryBackend_get_implementation(
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css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
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{
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return cppu::acquire(new dp_registry::backend::executable::BackendImpl(args, context));
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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