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libreoffice/desktop/source/deployment/registry/executable/dp_executable.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

336 lines
11 KiB
C++

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