1 files changed, 336 insertions, 0 deletions
diff --git a/desktop/source/deployment/registry/executable/dp_executable.cxx b/desktop/source/deployment/registry/executable/dp_executable.cxx
new file mode 100644
index 000000000..40b253587
--- /dev/null
+++ b/desktop/source/deployment/registry/executable/dp_executable.cxx
@@ -0,0 +1,336 @@
+/* -*- 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(
+                                "application/vnd.sun.star.executable",
+                                "", "Executable" ) )
+{
+    if (!transientMode())
+    {
+        OUString dbFile = makeURL(getCachePath(), "backenddb.xml");
+        m_backendDb.reset(
+            new ExecutableBackendDb(getComponentContext(), dbFile));
+    }
+}
+
+// XServiceInfo
+OUString BackendImpl::getImplementationName()
+{
+    return "com.sun.star.comp.deployment.executable.PackageRegistryBackend";
+}
+
+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( "Failed to get the BackendImpl",
+            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 $UNO_USER_PACKAGES_CACHE etc.
+//Done for security reasons. For example an extension manifest could contain a path to
+//an executable outside the extension.
+bool BackendImpl::ExecutablePackageImpl::isUrlTargetInExtension() const
+{
+    bool bSuccess = false;
+    OUString sExtensionDir;
+    if(getMyBackend()->m_context == "user")
+        sExtensionDir = dp_misc::expandUnoRcTerm("$UNO_USER_PACKAGES_CACHE");
+    else if (getMyBackend()->m_context == "shared")
+        sExtensionDir = dp_misc::expandUnoRcTerm("$UNO_SHARED_PACKAGES_CACHE");
+    else if (getMyBackend()->m_context == "bundled")
+        sExtensionDir = dp_misc::expandUnoRcTerm("$BUNDLED_EXTENSIONS");
+    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: */