Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 711 insertions, 0 deletions

diff --git a/desktop/source/deployment/registry/script/dp_lib_container.cxx b/desktop/source/deployment/registry/script/dp_lib_container.cxx
new file mode 100644
index 000000000..3a6f30253
--- /dev/null
+++ b/desktop/source/deployment/registry/script/dp_lib_container.cxx
@@ -0,0 +1,64 @@
+/* -*- 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 <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+
+#include <strings.hrc>
+#include <dp_resource.h>
+#include <dp_shared.hxx>
+#include <dp_xml.h>
+#include "dp_lib_container.h"
+
+#include <rtl/ustring.hxx>
+#include <ucbhelper/content.hxx>
+#include <xmlscript/xmllib_imexp.hxx>
+
+
+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::script {
+
+namespace {
+    OUString StrCannotDetermineLibName() { return DpResId(RID_STR_CANNOT_DETERMINE_LIBNAME); }
+}
+
+OUString LibraryContainer::get_libname(
+    OUString const & url,
+    Reference<XCommandEnvironment> const & xCmdEnv,
+    Reference<XComponentContext> const & xContext )
+{
+    ::xmlscript::LibDescriptor import;
+    ::ucbhelper::Content ucb_content( url, xCmdEnv, xContext );
+    xml_parse( ::xmlscript::importLibrary( import ), ucb_content, xContext );
+
+    if (import.aName.isEmpty()) {
+        throw Exception( StrCannotDetermineLibName(),
+                         Reference<XInterface>() );
+    }
+    return import.aName;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/desktop/source/deployment/registry/script/dp_lib_container.h b/desktop/source/deployment/registry/script/dp_lib_container.h
new file mode 100644
index 000000000..fbbedf866
--- /dev/null
+++ b/desktop/source/deployment/registry/script/dp_lib_container.h
@@ -0,0 +1,48 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/Reference.hxx>
+
+namespace com::sun::star {
+    namespace uno {
+        class XComponentContext;
+    }
+    namespace ucb {
+        class XCommandEnvironment;
+    }
+}
+
+
+namespace dp_registry::backend::script {
+
+
+class LibraryContainer
+{
+public:
+    static OUString get_libname(
+        OUString const & url,
+        css::uno::Reference<css::ucb::XCommandEnvironment> const & xCmdEnv,
+        css::uno::Reference<css::uno::XComponentContext> const & xContext );
+};
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/desktop/source/deployment/registry/script/dp_script.cxx b/desktop/source/deployment/registry/script/dp_script.cxx
new file mode 100644
index 000000000..47e41a364
--- /dev/null
+++ b/desktop/source/deployment/registry/script/dp_script.cxx
@@ -0,0 +1,480 @@
+/* -*- 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 <strings.hrc>
+#include "dp_lib_container.h"
+#include <dp_backend.h>
+#include <dp_misc.h>
+#include <dp_ucb.h>
+#include <ucbhelper/content.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <svl/inettype.hxx>
+#include <com/sun/star/util/XUpdatable.hpp>
+#include <com/sun/star/script/XLibraryContainer3.hpp>
+#include <memory>
+#include <string_view>
+
+#include "dp_scriptbackenddb.hxx"
+#include <cppuhelper/supportsservice.hxx>
+
+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::script {
+namespace {
+
+typedef ::cppu::ImplInheritanceHelper<
+    ::dp_registry::backend::PackageRegistryBackend, util::XUpdatable > t_helper;
+
+class BackendImpl : public t_helper
+{
+    class PackageImpl : public ::dp_registry::backend::Package
+    {
+        BackendImpl * getMyBackend() const;
+
+        const OUString m_scriptURL;
+        const OUString m_dialogURL;
+        OUString m_dialogName;
+
+        // 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<BackendImpl> const & myBackend,
+            OUString const & url,
+            Reference<XCommandEnvironment> const &xCmdEnv,
+            OUString const & scriptURL, OUString const & dialogURL,
+            bool bRemoved, OUString const & identifier);
+    };
+    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 addDataToDb(OUString const & url);
+    bool hasActiveEntry(std::u16string_view url);
+    void revokeEntryFromDb(std::u16string_view url);
+
+    const Reference<deployment::XPackageTypeInfo> m_xBasicLibTypeInfo;
+    const Reference<deployment::XPackageTypeInfo> m_xDialogLibTypeInfo;
+    Sequence< Reference<deployment::XPackageTypeInfo> > m_typeInfos;
+    std::unique_ptr<ScriptBackendDb> 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;
+
+    // XUpdatable
+    virtual void SAL_CALL update() override;
+
+    // XPackageRegistry
+    virtual Sequence< Reference<deployment::XPackageTypeInfo> > SAL_CALL
+    getSupportedPackageTypes() override;
+    virtual void SAL_CALL packageRemoved(OUString const & url, OUString const & mediaType) override;
+
+};
+
+
+BackendImpl::PackageImpl::PackageImpl(
+    ::rtl::Reference<BackendImpl> const & myBackend,
+    OUString const & url,
+    Reference<XCommandEnvironment> const &xCmdEnv,
+    OUString const & scriptURL, OUString const & dialogURL, bool bRemoved,
+    OUString const & identifier)
+    : Package( myBackend, url,
+               OUString(), OUString(), // will be late-initialized
+               !scriptURL.isEmpty() ? myBackend->m_xBasicLibTypeInfo
+               : myBackend->m_xDialogLibTypeInfo, bRemoved, identifier),
+      m_scriptURL( scriptURL ),
+      m_dialogURL( dialogURL )
+{
+    // name, displayName:
+    if (!dialogURL.isEmpty()) {
+        m_dialogName = LibraryContainer::get_libname(
+            dialogURL, xCmdEnv, myBackend->getComponentContext() );
+    }
+    if (!scriptURL.isEmpty()) {
+        assert(m_name.pData);
+        m_name = LibraryContainer::get_libname(
+            scriptURL, xCmdEnv, myBackend->getComponentContext() );
+    }
+    else
+        m_name = m_dialogName;
+    m_displayName = m_name;
+}
+
+
+BackendImpl::BackendImpl(
+    Sequence<Any> const & args,
+    Reference<XComponentContext> const & xComponentContext )
+    : t_helper( args, xComponentContext ),
+      m_xBasicLibTypeInfo( new Package::TypeInfo(
+                               "application/vnd.sun.star.basic-library",
+                               OUString() /* no file filter */,
+                               DpResId(RID_STR_BASIC_LIB)
+                               ) ),
+      m_xDialogLibTypeInfo( new Package::TypeInfo(
+                                "application/vnd.sun.star.dialog-library",
+                                OUString() /* no file filter */,
+                                DpResId(RID_STR_DIALOG_LIB)
+                                ) ),
+      m_typeInfos{ m_xBasicLibTypeInfo, m_xDialogLibTypeInfo }
+{
+    OSL_ASSERT( ! transientMode() );
+
+    if (!transientMode())
+    {
+        OUString dbFile = makeURL(getCachePath(), "backenddb.xml");
+        m_backendDb.reset(
+            new ScriptBackendDb(getComponentContext(), dbFile));
+    }
+
+}
+
+// XServiceInfo
+OUString BackendImpl::getImplementationName()
+{
+    return "com.sun.star.comp.deployment.script.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);
+}
+
+bool BackendImpl::hasActiveEntry(std::u16string_view url)
+{
+    if (m_backendDb)
+        return m_backendDb->hasActiveEntry(url);
+    return false;
+}
+
+// XUpdatable
+
+void BackendImpl::update()
+{
+    // Nothing to do here after fixing i70283!?
+}
+
+// XPackageRegistry
+
+Sequence< Reference<deployment::XPackageTypeInfo> >
+BackendImpl::getSupportedPackageTypes()
+{
+    return m_typeInfos;
+}
+void BackendImpl::revokeEntryFromDb(std::u16string_view url)
+{
+    if (m_backendDb)
+        m_backendDb->revokeEntry(url);
+}
+
+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 )
+{
+    OUString mediaType( mediaType_ );
+    if (mediaType.isEmpty())
+    {
+        // detect media-type:
+        ::ucbhelper::Content ucbContent;
+        if (create_ucb_content( &ucbContent, url, xCmdEnv ) &&
+            ucbContent.isFolder())
+        {
+            // probe for script.xlb:
+            if (create_ucb_content(
+                    nullptr, makeURL( url, "script.xlb" ),
+                    xCmdEnv, false /* no throw */ ))
+                mediaType = "application/vnd.sun.star.basic-library";
+            // probe for dialog.xlb:
+            else if (create_ucb_content(
+                         nullptr, makeURL( url, "dialog.xlb" ),
+                         xCmdEnv, false /* no throw */ ))
+                mediaType = "application/vnd.sun.star.dialog-library";
+        }
+        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 dialogURL( makeURL( url, "dialog.xlb" ) );
+            if (! create_ucb_content(
+                    nullptr, dialogURL, xCmdEnv, false /* no throw */ )) {
+                dialogURL.clear();
+            }
+
+            if (subType.equalsIgnoreAsciiCase("vnd.sun.star.basic-library"))
+            {
+                OUString scriptURL( makeURL( url, "script.xlb"));
+                if (! create_ucb_content(
+                        nullptr, scriptURL, xCmdEnv, false /* no throw */ )) {
+                    scriptURL.clear();
+                }
+
+                return new PackageImpl(
+                    this, url, xCmdEnv, scriptURL,
+                    dialogURL, bRemoved, identifier);
+            }
+            else if (subType.equalsIgnoreAsciiCase(
+                         "vnd.sun.star.dialog-library")) {
+                return new PackageImpl(
+                    this, url, xCmdEnv,
+                    OUString() /* no script lib */,
+                    dialogURL,
+                    bRemoved, identifier);
+            }
+        }
+    }
+    throw lang::IllegalArgumentException(
+        StrUnsupportedMediaType() + mediaType,
+        static_cast<OWeakObject *>(this),
+        static_cast<sal_Int16>(-1) );
+}
+
+
+// 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;
+}
+
+beans::Optional< beans::Ambiguous<sal_Bool> >
+BackendImpl::PackageImpl::isRegistered_(
+    ::osl::ResettableMutexGuard & /* guard */,
+    ::rtl::Reference<AbortChannel> const & /* abortChannel */,
+    Reference<XCommandEnvironment> const & /* xCmdEnv */ )
+{
+    BackendImpl * that = getMyBackend();
+    Reference< deployment::XPackage > xThisPackage( this );
+
+    bool registered = that->hasActiveEntry(getURL());
+    return beans::Optional< beans::Ambiguous<sal_Bool> >(
+        true /* IsPresent */,
+        beans::Ambiguous<sal_Bool>( registered, false /* IsAmbiguous */ ) );
+}
+
+void
+lcl_maybeRemoveScript(
+        bool const bExists,
+        OUString const& rName,
+        std::u16string_view rScriptURL,
+        Reference<css::script::XLibraryContainer3> const& xScriptLibs)
+{
+    if (bExists && xScriptLibs.is() && xScriptLibs->hasByName(rName))
+    {
+        const OUString sScriptUrl = xScriptLibs->getOriginalLibraryLinkURL(rName);
+        if (sScriptUrl == rScriptURL)
+            xScriptLibs->removeLibrary(rName);
+    }
+}
+
+bool
+lcl_maybeAddScript(
+        bool const bExists,
+        OUString const& rName,
+        OUString const& rScriptURL,
+        Reference<css::script::XLibraryContainer3> const& xScriptLibs)
+{
+    if (!bExists || !xScriptLibs)
+        return false;
+
+    bool bCanAdd = true;
+    if (xScriptLibs->hasByName(rName))
+    {
+        const OUString sOriginalUrl = xScriptLibs->getOriginalLibraryLinkURL(rName);
+        //We assume here that library names in extensions are unique, which may not be the case
+        //ToDo: If the script exist in another extension, then both extensions must have the
+        //same id
+        if (sOriginalUrl.match("vnd.sun.star.expand:$UNO_USER_PACKAGES_CACHE")
+            || sOriginalUrl.match("vnd.sun.star.expand:$UNO_SHARED_PACKAGES_CACHE")
+            || sOriginalUrl.match("vnd.sun.star.expand:$BUNDLED_EXTENSIONS")
+            || sOriginalUrl.match("$(INST)/share/basic/Access2Base/"))
+        {
+            xScriptLibs->removeLibrary(rName);
+            bCanAdd = true;
+        }
+        else
+        {
+            bCanAdd = false;
+        }
+    }
+
+    if (bCanAdd)
+    {
+        xScriptLibs->createLibraryLink(rName, rScriptURL, false);
+        return xScriptLibs->hasByName(rName);
+    }
+
+    return false;
+}
+
+void BackendImpl::PackageImpl::processPackage_(
+    ::osl::ResettableMutexGuard & /* guard */,
+    bool doRegisterPackage,
+    bool startup,
+    ::rtl::Reference<AbortChannel> const & /* abortChannel */,
+    Reference<XCommandEnvironment> const & /* xCmdEnv */ )
+{
+    BackendImpl * that = getMyBackend();
+
+    Reference< deployment::XPackage > xThisPackage( this );
+    Reference<XComponentContext> const & xComponentContext = that->getComponentContext();
+
+    bool bScript = !m_scriptURL.isEmpty();
+    Reference<css::script::XLibraryContainer3> xScriptLibs;
+
+    bool bDialog = !m_dialogURL.isEmpty();
+    Reference<css::script::XLibraryContainer3> xDialogLibs;
+
+    bool bRunning = !startup && office_is_running();
+    if( bRunning )
+    {
+        if( bScript )
+        {
+            xScriptLibs.set(
+                xComponentContext->getServiceManager()->createInstanceWithContext(
+                    "com.sun.star.script.ApplicationScriptLibraryContainer",
+                    xComponentContext ), UNO_QUERY_THROW );
+        }
+
+        if( bDialog )
+        {
+            xDialogLibs.set(
+                xComponentContext->getServiceManager()->createInstanceWithContext(
+                    "com.sun.star.script.ApplicationDialogLibraryContainer",
+                    xComponentContext ), UNO_QUERY_THROW );
+        }
+    }
+    bool bRegistered = getMyBackend()->hasActiveEntry(getURL());
+    if( !doRegisterPackage )
+    {
+        //We cannot just call removeLibrary(name) because this could remove a
+        //script which was added by an extension in a different repository. For
+        //example, extension foo is contained in the bundled repository and then
+        //the user adds it to the user repository. The extension manager will
+        //then register the new script and revoke the script from the bundled
+        //extension. removeLibrary(name) would now remove the script from the
+        //user repository. That is, the script of the newly added user extension does
+        //not work anymore. Therefore we must check if the currently active
+        //script comes in fact from the currently processed extension.
+
+        if (bRegistered)
+        {
+            //we also prevent and live deployment at startup
+            if (!isRemoved() && !startup)
+            {
+                lcl_maybeRemoveScript(bScript, m_name, m_scriptURL, xScriptLibs);
+                lcl_maybeRemoveScript(bDialog, m_dialogName, m_dialogURL, xDialogLibs);
+            }
+            getMyBackend()->revokeEntryFromDb(getURL());
+            return;
+        }
+    }
+    if (bRegistered)
+        return;     // Already registered
+
+    // Update LibraryContainer
+    bool bScriptSuccess = false;
+    bool bDialogSuccess = false;
+    if (!startup)
+    {
+        //If there is a bundled extension, and the user installs the same extension
+        //then the script from the bundled extension must be removed. If this does not work
+        //then live deployment does not work for scripts.
+        bScriptSuccess = lcl_maybeAddScript(bScript, m_name, m_scriptURL, xScriptLibs);
+        bDialogSuccess = lcl_maybeAddScript(bDialog, m_dialogName, m_dialogURL, xDialogLibs);
+    }
+    bool bSuccess = bScript || bDialog;     // Something must have happened
+    if( bRunning )
+        if( (bScript && !bScriptSuccess) || (bDialog && !bDialogSuccess) )
+            bSuccess = false;
+
+    if (bSuccess)
+        getMyBackend()->addDataToDb(getURL());
+}
+
+} // anon namespace
+
+} // namespace dp_registry::backend::script
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_deployment_script_PackageRegistryBackend_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+{
+    return cppu::acquire(new dp_registry::backend::script::BackendImpl(args, context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/desktop/source/deployment/registry/script/dp_scriptbackenddb.cxx b/desktop/source/deployment/registry/script/dp_scriptbackenddb.cxx
new file mode 100644
index 000000000..476f43953
--- /dev/null
+++ b/desktop/source/deployment/registry/script/dp_scriptbackenddb.cxx
@@ -0,0 +1,64 @@
+/* -*- 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 <com/sun/star/uno/XComponentContext.hpp>
+#include "dp_scriptbackenddb.hxx"
+
+
+using namespace ::com::sun::star::uno;
+
+constexpr OUStringLiteral EXTENSION_REG_NS = u"http://openoffice.org/extensionmanager/script-registry/2010";
+constexpr OUStringLiteral NS_PREFIX = u"script";
+constexpr OUStringLiteral ROOT_ELEMENT_NAME = u"script-backend-db";
+constexpr OUStringLiteral KEY_ELEMENT_NAME = u"script";
+
+namespace dp_registry::backend::script {
+
+ScriptBackendDb::ScriptBackendDb(
+    Reference<XComponentContext> const &  xContext,
+    OUString const & url):RegisteredDb(xContext, url)
+{
+
+}
+
+OUString ScriptBackendDb::getDbNSName()
+{
+    return EXTENSION_REG_NS;
+}
+
+OUString ScriptBackendDb::getNSPrefix()
+{
+    return NS_PREFIX;
+}
+
+OUString ScriptBackendDb::getRootElementName()
+{
+    return ROOT_ELEMENT_NAME;
+}
+
+OUString ScriptBackendDb::getKeyElementName()
+{
+    return KEY_ELEMENT_NAME;
+}
+
+
+} // namespace dp_registry::backend::script
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/desktop/source/deployment/registry/script/dp_scriptbackenddb.hxx b/desktop/source/deployment/registry/script/dp_scriptbackenddb.hxx
new file mode 100644
index 000000000..21d4b1f6b
--- /dev/null
+++ b/desktop/source/deployment/registry/script/dp_scriptbackenddb.hxx
@@ -0,0 +1,55 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <rtl/ustring.hxx>
+#include <dp_backenddb.hxx>
+#include <optional>
+
+namespace com::sun::star::uno { class XComponentContext; }
+
+namespace dp_registry::backend::script {
+
+/* The XML file stores the extensions which are currently registered.
+   They will be removed when they are revoked.
+ */
+class ScriptBackendDb: public dp_registry::backend::RegisteredDb
+{
+protected:
+    virtual OUString getDbNSName() override;
+
+    virtual OUString getNSPrefix() override;
+
+    virtual OUString getRootElementName() override;
+
+    virtual OUString getKeyElementName() override;
+
+
+public:
+
+    ScriptBackendDb( css::uno::Reference<css::uno::XComponentContext> const &  xContext,
+                        OUString const & url);
+};
+
+
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */