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diff --git a/extensions/source/update/check/updateprotocol.cxx b/extensions/source/update/check/updateprotocol.cxx
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+/* -*- 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 <config_folders.h>
+
+#include <com/sun/star/xml/xpath/XPathAPI.hpp>
+#include <com/sun/star/xml/xpath/XPathException.hpp>
+
+#include "updateprotocol.hxx"
+#include "updatecheckconfig.hxx"
+
+#include <com/sun/star/deployment/UpdateInformationEntry.hpp>
+#include <com/sun/star/deployment/XPackageInformationProvider.hpp>
+
+
+#include <rtl/ref.hxx>
+#include <rtl/bootstrap.hxx>
+#include <osl/diagnose.h>
+
+namespace container = css::container ;
+namespace deployment = css::deployment ;
+namespace uno = css::uno ;
+namespace task = css::task ;
+namespace xml = css::xml ;
+
+
+static bool
+getBootstrapData(
+ uno::Sequence< OUString > & rRepositoryList,
+ OUString & rGitID,
+ OUString & rInstallSetID)
+{
+ rGitID = "${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("version") ":buildid}";
+ rtl::Bootstrap::expandMacros( rGitID );
+ if ( rGitID.isEmpty() )
+ return false;
+
+ rInstallSetID = "${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("version") ":UpdateID}";
+ rtl::Bootstrap::expandMacros( rInstallSetID );
+ if ( rInstallSetID.isEmpty() )
+ return false;
+
+ OUString aValue( "${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("version") ":UpdateURL}" );
+ rtl::Bootstrap::expandMacros( aValue );
+
+ if( !aValue.isEmpty() )
+ {
+ rRepositoryList = { aValue };
+ }
+
+ return true;
+}
+
+
+// Returns 'true' if successfully connected to the update server
+bool
+checkForUpdates(
+ UpdateInfo& o_rUpdateInfo,
+ uno::Reference< uno::XComponentContext > const & rxContext,
+ uno::Reference< task::XInteractionHandler > const & rxInteractionHandler,
+ const uno::Reference< deployment::XUpdateInformationProvider >& rUpdateInfoProvider)
+{
+ OUString myArch;
+ OUString myOS;
+
+ rtl::Bootstrap::get("_OS", myOS);
+ rtl::Bootstrap::get("_ARCH", myArch);
+
+ uno::Sequence< OUString > aRepositoryList;
+ OUString aGitID;
+ OUString aInstallSetID;
+
+ if( ! ( getBootstrapData(aRepositoryList, aGitID, aInstallSetID) && (aRepositoryList.getLength() > 0) ) )
+ return false;
+
+ return checkForUpdates( o_rUpdateInfo, rxContext, rxInteractionHandler, rUpdateInfoProvider,
+ myOS, myArch,
+ aRepositoryList, aGitID, aInstallSetID );
+}
+
+bool
+checkForUpdates(
+ UpdateInfo& o_rUpdateInfo,
+ const uno::Reference< uno::XComponentContext > & rxContext,
+ const uno::Reference< task::XInteractionHandler > & rxInteractionHandler,
+ const uno::Reference< deployment::XUpdateInformationProvider >& rUpdateInfoProvider,
+ std::u16string_view rOS,
+ std::u16string_view rArch,
+ const uno::Sequence< OUString > &rRepositoryList,
+ std::u16string_view rGitID,
+ const OUString &rInstallSetID )
+{
+ if( !rxContext.is() )
+ throw uno::RuntimeException( "checkForUpdates: empty component context" );
+
+ OSL_ASSERT( rxContext->getServiceManager().is() );
+
+ // XPath implementation
+ uno::Reference< xml::xpath::XXPathAPI > xXPath = xml::xpath::XPathAPI::create(rxContext);
+
+ xXPath->registerNS( "inst", "http://update.libreoffice.org/description" );
+
+ if( rxInteractionHandler.is() )
+ rUpdateInfoProvider->setInteractionHandler(rxInteractionHandler);
+
+ try
+ {
+ uno::Reference< container::XEnumeration > aUpdateInfoEnumeration =
+ rUpdateInfoProvider->getUpdateInformationEnumeration( rRepositoryList, rInstallSetID );
+
+ if ( !aUpdateInfoEnumeration.is() )
+ return false; // something went wrong ..
+
+ OUString aXPathExpression =
+ OUString::Concat("/child::inst:description[inst:os=\'")+
+ rOS +
+ "\' and inst:arch=\'"+
+ rArch +
+ "\' and inst:gitid!=\'"+
+ rGitID +
+ "\']";
+
+
+ while( aUpdateInfoEnumeration->hasMoreElements() )
+ {
+ deployment::UpdateInformationEntry aEntry;
+
+ if( aUpdateInfoEnumeration->nextElement() >>= aEntry )
+ {
+ uno::Reference< xml::dom::XNode > xNode( aEntry.UpdateDocument );
+ uno::Reference< xml::dom::XNodeList > xNodeList;
+ try {
+ xNodeList = xXPath->selectNodeList(xNode, aXPathExpression
+ + "/inst:update/attribute::src");
+ } catch (const css::xml::xpath::XPathException &) {
+ // ignore
+ }
+
+ sal_Int32 i, imax = xNodeList->getLength();
+ for( i = 0; i < imax; ++i )
+ {
+ uno::Reference< xml::dom::XNode > xNode2( xNodeList->item(i) );
+
+ if( xNode2.is() )
+ {
+ uno::Reference< xml::dom::XElement > xParent(xNode2->getParentNode(), uno::UNO_QUERY_THROW);
+ OUString aType = xParent->getAttribute("type");
+ bool bIsDirect = !aType.equalsIgnoreAsciiCase("text/html");
+
+ o_rUpdateInfo.Sources.push_back( DownloadSource(bIsDirect, xNode2->getNodeValue()) );
+ }
+ }
+
+ uno::Reference< xml::dom::XNode > xNode2;
+ try {
+ xNode2 = xXPath->selectSingleNode(xNode, aXPathExpression
+ + "/inst:version/text()");
+ } catch (const css::xml::xpath::XPathException &) {
+ // ignore
+ }
+
+ if( xNode2.is() )
+ o_rUpdateInfo.Version = xNode2->getNodeValue();
+
+ try {
+ xNode2 = xXPath->selectSingleNode(xNode, aXPathExpression
+ + "/inst:buildid/text()");
+ } catch (const css::xml::xpath::XPathException &) {
+ // ignore
+ }
+
+ if( xNode2.is() )
+ o_rUpdateInfo.BuildId = xNode2->getNodeValue();
+
+ o_rUpdateInfo.Description = aEntry.Description;
+
+ // Release Notes
+ try {
+ xNodeList = xXPath->selectNodeList(xNode, aXPathExpression
+ + "/inst:relnote");
+ } catch (const css::xml::xpath::XPathException &) {
+ // ignore
+ }
+ imax = xNodeList->getLength();
+ for( i = 0; i < imax; ++i )
+ {
+ uno::Reference< xml::dom::XElement > xRelNote(xNodeList->item(i), uno::UNO_QUERY);
+ if( xRelNote.is() )
+ {
+ sal_Int32 pos = xRelNote->getAttribute("pos").toInt32();
+
+ ReleaseNote aRelNote(static_cast<sal_uInt8>(pos), xRelNote->getAttribute("src"));
+
+ if( xRelNote->hasAttribute("src2") )
+ {
+ pos = xRelNote->getAttribute("pos2").toInt32();
+ aRelNote.Pos2 = static_cast<sal_Int8>(pos);
+ aRelNote.URL2 = xRelNote->getAttribute("src2");
+ }
+
+ o_rUpdateInfo.ReleaseNotes.push_back(aRelNote);
+ }
+ }
+
+ if( !o_rUpdateInfo.Sources.empty() )
+ return true;
+ }
+ }
+ }
+ catch( ... )
+ {
+ return false;
+ }
+
+ return true;
+}
+
+
+bool storeExtensionUpdateInfos( const uno::Reference< uno::XComponentContext > & rxContext,
+ const uno::Sequence< uno::Sequence< OUString > > &rUpdateInfos )
+{
+ bool bNotify = false;
+
+ if ( rUpdateInfos.hasElements() )
+ {
+ rtl::Reference< UpdateCheckConfig > aConfig = UpdateCheckConfig::get( rxContext );
+
+ for ( sal_Int32 i = rUpdateInfos.getLength() - 1; i >= 0; i-- )
+ {
+ bNotify |= aConfig->storeExtensionVersion( rUpdateInfos[i][0], rUpdateInfos[i][1] );
+ }
+ }
+ return bNotify;
+}
+
+
+// Returns 'true' if there are updates for any extension
+
+bool checkForExtensionUpdates( const uno::Reference< uno::XComponentContext > & rxContext )
+{
+ uno::Sequence< uno::Sequence< OUString > > aUpdateList;
+
+ uno::Reference< deployment::XPackageInformationProvider > xInfoProvider;
+ try
+ {
+ uno::Any aValue( rxContext->getValueByName(
+ "/singletons/com.sun.star.deployment.PackageInformationProvider" ) );
+ OSL_VERIFY( aValue >>= xInfoProvider );
+ }
+ catch( const uno::Exception& )
+ {
+ OSL_FAIL( "checkForExtensionUpdates: could not create the PackageInformationProvider!" );
+ }
+
+ if ( !xInfoProvider.is() ) return false;
+
+ aUpdateList = xInfoProvider->isUpdateAvailable( OUString() );
+ bool bNotify = storeExtensionUpdateInfos( rxContext, aUpdateList );
+
+ return bNotify;
+}
+
+
+// Returns 'true' if there are any pending updates for any extension (offline check)
+
+bool checkForPendingUpdates( const uno::Reference< uno::XComponentContext > & rxContext )
+{
+ uno::Sequence< uno::Sequence< OUString > > aExtensionList;
+ uno::Reference< deployment::XPackageInformationProvider > xInfoProvider;
+ try
+ {
+ uno::Any aValue( rxContext->getValueByName(
+ "/singletons/com.sun.star.deployment.PackageInformationProvider" ) );
+ OSL_VERIFY( aValue >>= xInfoProvider );
+ }
+ catch( const uno::Exception& )
+ {
+ OSL_FAIL( "checkForExtensionUpdates: could not create the PackageInformationProvider!" );
+ }
+
+ if ( !xInfoProvider.is() ) return false;
+
+ bool bPendingUpdateFound = false;
+
+ aExtensionList = xInfoProvider->getExtensionList();
+ if ( aExtensionList.hasElements() )
+ {
+ rtl::Reference< UpdateCheckConfig > aConfig = UpdateCheckConfig::get( rxContext );
+
+ for ( sal_Int32 i = aExtensionList.getLength() - 1; i >= 0; i-- )
+ {
+ bPendingUpdateFound = aConfig->checkExtensionVersion( aExtensionList[i][0], aExtensionList[i][1] );
+ if ( bPendingUpdateFound )
+ break;
+ }
+ }
+
+ return bPendingUpdateFound;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */