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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 <cppuhelper/exc_hlp.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/implementationentry.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <comphelper/sequence.hxx>
+#include <com/sun/star/beans/Property.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/beans/NamedValue.hpp>
+#include <com/sun/star/configuration/theDefaultProvider.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/deployment/UpdateInformationEntry.hpp>
+#include <com/sun/star/deployment/XUpdateInformationProvider.hpp>
+#include <com/sun/star/io/XActiveDataSink.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/ucb/CommandAbortedException.hpp>
+#include <com/sun/star/ucb/UniversalContentBroker.hpp>
+#include <com/sun/star/ucb/XWebDAVCommandEnvironment.hpp>
+#include <com/sun/star/ucb/XCommandProcessor2.hpp>
+#include <com/sun/star/ucb/OpenCommandArgument3.hpp>
+#include <com/sun/star/ucb/OpenMode.hpp>
+#include <com/sun/star/task/PasswordContainerInteractionHandler.hpp>
+#include <com/sun/star/xml/dom/DocumentBuilder.hpp>
+#include <com/sun/star/xml/xpath/XPathAPI.hpp>
+#include <com/sun/star/xml/xpath/XPathException.hpp>
+#include <rtl/ref.hxx>
+#include <rtl/bootstrap.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+#include <osl/conditn.hxx>
+#include <vcl/svapp.hxx>
+
+namespace beans = com::sun::star::beans ;
+namespace container = com::sun::star::container ;
+namespace deployment = com::sun::star::deployment ;
+namespace io = com::sun::star::io ;
+namespace lang = com::sun::star::lang ;
+namespace task = com::sun::star::task ;
+namespace ucb = com::sun::star::ucb ;
+namespace uno = com::sun::star::uno ;
+namespace xml = com::sun::star::xml ;
+
+
+namespace
+{
+
+#ifdef DEBUG
+
+class InputStreamWrapper : public ::cppu::WeakImplHelper< io::XInputStream >
+{
+ uno::Reference< io::XInputStream > m_xStream;
+
+public:
+ explicit InputStreamWrapper(const uno::Reference< io::XInputStream >& rxStream) :
+ m_xStream(rxStream) {};
+
+ virtual sal_Int32 SAL_CALL readBytes(uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead)
+ {
+ sal_Int32 n = m_xStream->readBytes(aData, nBytesToRead);
+ return n;
+ };
+ virtual sal_Int32 SAL_CALL readSomeBytes(uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead)
+ {
+ sal_Int32 n = m_xStream->readSomeBytes(aData, nMaxBytesToRead);
+ return n;
+ };
+ virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
+ { m_xStream->skipBytes(nBytesToSkip); };
+ virtual sal_Int32 SAL_CALL available()
+ { return m_xStream->available(); };
+ virtual void SAL_CALL closeInput( )
+ {};
+};
+
+#define INPUT_STREAM(i) new InputStreamWrapper(i)
+#else
+#define INPUT_STREAM(i) i
+#endif
+
+
+class ActiveDataSink : public ::cppu::WeakImplHelper< io::XActiveDataSink >
+{
+ uno::Reference< io::XInputStream > m_xStream;
+
+public:
+ ActiveDataSink() {};
+
+ virtual uno::Reference< io::XInputStream > SAL_CALL getInputStream() override { return m_xStream; };
+ virtual void SAL_CALL setInputStream( uno::Reference< io::XInputStream > const & rStream ) override { m_xStream = rStream; };
+};
+
+
+class UpdateInformationProvider :
+ public ::cppu::WeakImplHelper< deployment::XUpdateInformationProvider,
+ ucb::XWebDAVCommandEnvironment,
+ lang::XServiceInfo >
+{
+ OUString getUserAgent(bool bExtended);
+ bool isUserAgentExtended() const;
+public:
+ static uno::Reference< uno::XInterface > createInstance(const uno::Reference<uno::XComponentContext>& xContext);
+
+ static uno::Sequence< OUString > getServiceNames();
+ static OUString getImplName();
+
+ uno::Reference< xml::dom::XElement > getDocumentRoot(const uno::Reference< xml::dom::XNode >& rxNode);
+ uno::Reference< xml::dom::XNode > getChildNode(const uno::Reference< xml::dom::XNode >& rxNode, const OUString& rName);
+
+
+ // XUpdateInformationService
+ virtual uno::Sequence< uno::Reference< xml::dom::XElement > > SAL_CALL
+ getUpdateInformation(
+ uno::Sequence< OUString > const & repositories,
+ OUString const & extensionId
+ ) override;
+
+ virtual void SAL_CALL cancel() override;
+
+ virtual void SAL_CALL setInteractionHandler(
+ uno::Reference< task::XInteractionHandler > const & handler ) override;
+
+ virtual uno::Reference< container::XEnumeration > SAL_CALL
+ getUpdateInformationEnumeration(
+ uno::Sequence< OUString > const & repositories,
+ OUString const & extensionId
+ ) override;
+
+ // XCommandEnvironment
+ virtual uno::Reference< task::XInteractionHandler > SAL_CALL getInteractionHandler() override;
+
+ virtual uno::Reference< ucb::XProgressHandler > SAL_CALL getProgressHandler() override { return uno::Reference< ucb::XProgressHandler >(); };
+
+ // XWebDAVCommandEnvironment
+ virtual uno::Sequence< beans::StringPair > SAL_CALL getUserRequestHeaders(
+ const OUString&, ucb::WebDAVHTTPMethod ) override;
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService(OUString const & serviceName) override;
+ virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+protected:
+
+ virtual ~UpdateInformationProvider() override;
+ static OUString getConfigurationItem(uno::Reference<lang::XMultiServiceFactory> const & configurationProvider, OUString const & node, OUString const & item);
+ static uno::Any getConfigurationItemAny(uno::Reference<lang::XMultiServiceFactory> const & configurationProvider, OUString const & node, OUString const & item);
+
+private:
+ uno::Reference< io::XInputStream > load(const OUString& rURL);
+
+ void storeCommandInfo( sal_Int32 nCommandId,
+ uno::Reference< ucb::XCommandProcessor > const & rxCommandProcessor);
+
+ UpdateInformationProvider(const uno::Reference<uno::XComponentContext>& xContext,
+ const uno::Reference< ucb::XUniversalContentBroker >& xUniversalContentBroker,
+ const uno::Reference< xml::dom::XDocumentBuilder >& xDocumentBuilder,
+ const uno::Reference< xml::xpath::XXPathAPI >& xXPathAPI);
+
+ const uno::Reference< uno::XComponentContext> m_xContext;
+
+ const uno::Reference< ucb::XUniversalContentBroker > m_xUniversalContentBroker;
+ const uno::Reference< xml::dom::XDocumentBuilder > m_xDocumentBuilder;
+ const uno::Reference< xml::xpath::XXPathAPI > m_xXPathAPI;
+
+ uno::Sequence< beans::StringPair > m_aRequestHeaderList;
+
+ uno::Reference< ucb::XCommandProcessor > m_xCommandProcessor;
+ uno::Reference< task::XInteractionHandler > m_xInteractionHandler;
+ uno::Reference< task::XInteractionHandler > m_xPwContainerInteractionHandler;
+
+ osl::Mutex m_aMutex;
+ osl::Condition m_bCancelled;
+
+ sal_Int32 m_nCommandId;
+};
+
+
+class UpdateInformationEnumeration : public ::cppu::WeakImplHelper< container::XEnumeration >
+{
+public:
+ UpdateInformationEnumeration(const uno::Reference< xml::dom::XNodeList >& xNodeList,
+ const rtl::Reference< UpdateInformationProvider >& xUpdateInformationProvider) :
+ m_xUpdateInformationProvider(xUpdateInformationProvider),
+ m_xNodeList(xNodeList),
+ m_nNodes(xNodeList.is() ? xNodeList->getLength() : 0),
+ m_nCount(0)
+ {
+ };
+
+ // XEnumeration
+ sal_Bool SAL_CALL hasMoreElements() override { return m_nCount < m_nNodes; };
+ uno::Any SAL_CALL nextElement() override
+ {
+ OSL_ASSERT( m_xNodeList.is() );
+ OSL_ASSERT( m_xUpdateInformationProvider.is() );
+
+ if( m_nCount >= m_nNodes )
+ throw container::NoSuchElementException(OUString::number(m_nCount), *this);
+
+ try
+ {
+ deployment::UpdateInformationEntry aEntry;
+
+ uno::Reference< xml::dom::XNode > xAtomEntryNode( m_xNodeList->item(m_nCount++) );
+
+ uno::Reference< xml::dom::XNode > xSummaryNode(
+ m_xUpdateInformationProvider->getChildNode( xAtomEntryNode, "summary/text()" )
+ );
+
+ if( xSummaryNode.is() )
+ aEntry.Description = xSummaryNode->getNodeValue();
+
+ uno::Reference< xml::dom::XNode > xContentNode(
+ m_xUpdateInformationProvider->getChildNode( xAtomEntryNode, "content" ) );
+
+ if( xContentNode.is() )
+ aEntry.UpdateDocument = m_xUpdateInformationProvider->getDocumentRoot(xContentNode);
+
+ return uno::makeAny(aEntry);
+ }
+ catch( ucb::CommandAbortedException const &)
+ {
+ // action has been aborted
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw lang::WrappedTargetException( "Command aborted", *this, anyEx );
+ }
+ catch( uno::RuntimeException const & )
+ {
+ // let runtime exception pass
+ throw;
+ }
+ catch( uno::Exception const &)
+ {
+ // document not accessible
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw lang::WrappedTargetException( "Document not accessible", *this, anyEx );
+ }
+ }
+
+private:
+ const rtl::Reference< UpdateInformationProvider > m_xUpdateInformationProvider;
+ const uno::Reference< xml::dom::XNodeList > m_xNodeList;
+ const sal_Int32 m_nNodes;
+ sal_Int32 m_nCount;
+};
+
+
+class SingleUpdateInformationEnumeration : public ::cppu::WeakImplHelper< container::XEnumeration >
+{
+public:
+ explicit SingleUpdateInformationEnumeration(const uno::Reference< xml::dom::XElement >& xElement)
+ : m_nCount(0) { m_aEntry.UpdateDocument = xElement; };
+
+ // XEnumeration
+ sal_Bool SAL_CALL hasMoreElements() override { return 0 == m_nCount; };
+ uno::Any SAL_CALL nextElement() override
+ {
+ if( m_nCount > 0 )
+ throw container::NoSuchElementException(OUString::number(m_nCount), *this);
+
+ ++m_nCount;
+ return uno::makeAny(m_aEntry);
+ };
+
+private:
+ sal_Int32 m_nCount;
+ deployment::UpdateInformationEntry m_aEntry;
+};
+
+UpdateInformationProvider::UpdateInformationProvider(
+ const uno::Reference<uno::XComponentContext>& xContext,
+ const uno::Reference< ucb::XUniversalContentBroker >& xUniversalContentBroker,
+ const uno::Reference< xml::dom::XDocumentBuilder >& xDocumentBuilder,
+ const uno::Reference< xml::xpath::XXPathAPI >& xXPathAPI)
+ : m_xContext(xContext)
+ , m_xUniversalContentBroker(xUniversalContentBroker)
+ , m_xDocumentBuilder(xDocumentBuilder)
+ , m_xXPathAPI(xXPathAPI)
+ , m_aRequestHeaderList(2)
+ , m_nCommandId(0)
+{
+ uno::Reference< lang::XMultiServiceFactory > xConfigurationProvider(
+ css::configuration::theDefaultProvider::get(m_xContext));
+
+ m_aRequestHeaderList[0].First = "Accept-Language";
+ m_aRequestHeaderList[0].Second = getConfigurationItem( xConfigurationProvider, "org.openoffice.Setup/L10N", "ooLocale" );
+}
+
+bool
+UpdateInformationProvider::isUserAgentExtended() const
+{
+ bool bExtendedUserAgent = false;
+ try {
+ uno::Reference< lang::XMultiServiceFactory > xConfigurationProvider(
+ css::configuration::theDefaultProvider::get(m_xContext));
+
+ uno::Any aExtended = getConfigurationItemAny(
+ xConfigurationProvider,
+ "org.openoffice.Office.Jobs/Jobs/UpdateCheck/Arguments",
+ "ExtendedUserAgent");
+ aExtended >>= bExtendedUserAgent;
+ } catch (const uno::RuntimeException &) {
+ SAL_WARN("extensions.update", "Online update disabled");
+ }
+ return bExtendedUserAgent;
+}
+
+OUString UpdateInformationProvider::getUserAgent(bool bExtended)
+{
+ uno::Reference< lang::XMultiServiceFactory > xConfigurationProvider(
+ css::configuration::theDefaultProvider::get(m_xContext));
+
+ OUStringBuffer buf;
+ buf.append(
+ getConfigurationItem(
+ xConfigurationProvider,
+ "org.openoffice.Setup/Product",
+ "ooName"));
+ buf.append(' ');
+ buf.append(
+ getConfigurationItem(
+ xConfigurationProvider,
+ "org.openoffice.Setup/Product",
+ "ooSetupVersion"));
+
+ OUString extension(
+ getConfigurationItem(
+ xConfigurationProvider,
+ "org.openoffice.Setup/Product",
+ "ooSetupExtension"));
+ if (!extension.isEmpty())
+ buf.append(extension);
+
+ OUString product(buf.makeStringAndClear());
+
+ OUString aUserAgent( "${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("version") ":UpdateUserAgent}" );
+ OUString aExtended;
+ if( bExtended )
+ {
+ aExtended = Application::GetHWOSConfInfo();
+ }
+ rtl::Bootstrap::expandMacros( aUserAgent );
+ aUserAgent = aUserAgent.replaceAll("<PRODUCT>", product);
+ aUserAgent = aUserAgent.replaceAll("<OPTIONAL_OS_HW_DATA>", aExtended);
+ SAL_INFO("extensions.update", "UpdateUserAgent: " << aUserAgent);
+
+ return aUserAgent;
+}
+
+uno::Sequence< beans::StringPair > SAL_CALL UpdateInformationProvider::getUserRequestHeaders(
+ const OUString &aURL, ucb::WebDAVHTTPMethod )
+{
+ bool bExtendedUserAgent;
+ uno::Sequence< beans::StringPair > aPair = m_aRequestHeaderList;
+
+ // Internal use from cui/ some magic URLs
+ if( aURL.startsWith( "useragent:" ) )
+ bExtendedUserAgent = (aURL == "useragent:extended");
+ else
+ bExtendedUserAgent = isUserAgentExtended();
+
+ OUString aUserAgent = getUserAgent(bExtendedUserAgent);
+
+ if( aUserAgent.isEmpty() )
+ aPair.realloc(1);
+ else
+ {
+ aPair[1].First = "User-Agent";
+ aPair[1].Second = aUserAgent;
+ }
+
+ return aPair;
+};
+
+uno::Reference< uno::XInterface >
+UpdateInformationProvider::createInstance(const uno::Reference<uno::XComponentContext>& xContext)
+{
+ uno::Reference< ucb::XUniversalContentBroker > xUniversalContentBroker =
+ ucb::UniversalContentBroker::create(xContext);
+
+ uno::Reference< xml::dom::XDocumentBuilder > xDocumentBuilder(
+ xml::dom::DocumentBuilder::create(xContext));
+
+ uno::Reference< xml::xpath::XXPathAPI > xXPath = xml::xpath::XPathAPI::create( xContext );
+
+ xXPath->registerNS( "atom", "http://www.w3.org/2005/Atom" );
+
+ return *new UpdateInformationProvider(xContext, xUniversalContentBroker, xDocumentBuilder, xXPath);
+}
+
+UpdateInformationProvider::~UpdateInformationProvider()
+{
+}
+
+uno::Any
+UpdateInformationProvider::getConfigurationItemAny(uno::Reference<lang::XMultiServiceFactory> const & configurationProvider, OUString const & node, OUString const & item)
+{
+ beans::PropertyValue aProperty;
+ aProperty.Name = "nodepath";
+ aProperty.Value <<= node;
+
+ uno::Sequence< uno::Any > aArgumentList( 1 );
+ aArgumentList[0] <<= aProperty;
+
+ uno::Reference< container::XNameAccess > xNameAccess(
+ configurationProvider->createInstanceWithArguments(
+ "com.sun.star.configuration.ConfigurationAccess",
+ aArgumentList ),
+ uno::UNO_QUERY_THROW);
+
+ return xNameAccess->getByName(item);
+}
+
+OUString
+UpdateInformationProvider::getConfigurationItem(uno::Reference<lang::XMultiServiceFactory> const & configurationProvider, OUString const & node, OUString const & item)
+{
+ OUString sRet;
+ getConfigurationItemAny(configurationProvider, node, item) >>= sRet;
+ return sRet;
+}
+
+void
+UpdateInformationProvider::storeCommandInfo(
+ sal_Int32 nCommandId,
+ uno::Reference< ucb::XCommandProcessor > const & rxCommandProcessor)
+{
+ osl::MutexGuard aGuard(m_aMutex);
+
+ m_nCommandId = nCommandId;
+ m_xCommandProcessor = rxCommandProcessor;
+}
+
+uno::Reference< io::XInputStream >
+UpdateInformationProvider::load(const OUString& rURL)
+{
+ uno::Reference< ucb::XContentIdentifier > xId = m_xUniversalContentBroker->createContentIdentifier(rURL);
+
+ if( !xId.is() )
+ throw uno::RuntimeException(
+ "unable to obtain universal content id", *this);
+
+ uno::Reference< ucb::XCommandProcessor > xCommandProcessor(m_xUniversalContentBroker->queryContent(xId), uno::UNO_QUERY_THROW);
+ rtl::Reference< ActiveDataSink > aSink(new ActiveDataSink());
+
+ // Disable KeepAlive in webdav - don't want millions of office
+ // instances phone home & clog up servers
+ uno::Sequence< beans::NamedValue > aProps { { "KeepAlive", uno::makeAny(false) } };
+
+ ucb::OpenCommandArgument3 aOpenArgument;
+ aOpenArgument.Mode = ucb::OpenMode::DOCUMENT;
+ aOpenArgument.Priority = 32768;
+ aOpenArgument.Sink = *aSink;
+ aOpenArgument.OpeningFlags = aProps;
+
+ ucb::Command aCommand;
+ aCommand.Name = "open";
+ aCommand.Argument <<= aOpenArgument;
+
+ sal_Int32 nCommandId = xCommandProcessor->createCommandIdentifier();
+
+ storeCommandInfo(nCommandId, xCommandProcessor);
+ try
+ {
+ xCommandProcessor->execute(aCommand, nCommandId,
+ static_cast < XCommandEnvironment *> (this));
+ }
+ catch( const uno::Exception & /* e */ )
+ {
+ storeCommandInfo(0, uno::Reference< ucb::XCommandProcessor > ());
+
+ uno::Reference< ucb::XCommandProcessor2 > xCommandProcessor2(xCommandProcessor, uno::UNO_QUERY);
+ if( xCommandProcessor2.is() )
+ xCommandProcessor2->releaseCommandIdentifier(nCommandId);
+
+ throw;
+ }
+ storeCommandInfo(0, uno::Reference< ucb::XCommandProcessor > ());
+
+ uno::Reference< ucb::XCommandProcessor2 > xCommandProcessor2(xCommandProcessor, uno::UNO_QUERY);
+ if( xCommandProcessor2.is() )
+ xCommandProcessor2->releaseCommandIdentifier(nCommandId);
+
+ return INPUT_STREAM(aSink->getInputStream());
+}
+
+
+// TODO: docu content node
+
+uno::Reference< xml::dom::XElement >
+UpdateInformationProvider::getDocumentRoot(const uno::Reference< xml::dom::XNode >& rxNode)
+{
+ OSL_ASSERT(m_xDocumentBuilder.is());
+
+ uno::Reference< xml::dom::XElement > xElement(rxNode, uno::UNO_QUERY_THROW);
+
+ // load the document referenced in 'src' attribute ..
+ if( xElement->hasAttribute( "src" ) )
+ {
+ uno::Reference< xml::dom::XDocument > xUpdateXML =
+ m_xDocumentBuilder->parse(load(xElement->getAttribute( "src" )));
+
+ OSL_ASSERT( xUpdateXML.is() );
+
+ if( xUpdateXML.is() )
+ return xUpdateXML->getDocumentElement();
+ }
+ // .. or return the (single) child element
+ else
+ {
+ uno::Reference< xml::dom::XNodeList> xChildNodes = rxNode->getChildNodes();
+
+ // ignore possible #text nodes
+ sal_Int32 nmax = xChildNodes->getLength();
+ for(sal_Int32 n=0; n < nmax; n++)
+ {
+ uno::Reference< xml::dom::XElement > xChildElement(xChildNodes->item(n), uno::UNO_QUERY);
+ if( xChildElement.is() )
+ {
+ /* Copy the content to a dedicated document since XXPathAPI->selectNodeList
+ * seems to evaluate expression always relative to the root node.
+ */
+ uno::Reference< xml::dom::XDocument > xUpdateXML = m_xDocumentBuilder->newDocument();
+ xUpdateXML->appendChild( xUpdateXML->importNode(xChildElement.get(), true ) );
+ return xUpdateXML->getDocumentElement();
+ }
+ }
+ }
+
+ return uno::Reference< xml::dom::XElement > ();
+}
+
+
+uno::Reference< xml::dom::XNode >
+UpdateInformationProvider::getChildNode(const uno::Reference< xml::dom::XNode >& rxNode,
+ const OUString& rName)
+{
+ OSL_ASSERT(m_xXPathAPI.is());
+ try {
+ return m_xXPathAPI->selectSingleNode(rxNode, "./atom:" + rName);
+ } catch (const xml::xpath::XPathException &) {
+ // ignore
+ return nullptr;
+ }
+}
+
+
+uno::Reference< container::XEnumeration > SAL_CALL
+UpdateInformationProvider::getUpdateInformationEnumeration(
+ uno::Sequence< OUString > const & repositories,
+ OUString const & extensionId
+)
+{
+ OSL_ASSERT(m_xDocumentBuilder.is());
+
+ // reset cancelled flag
+ m_bCancelled.reset();
+
+ for(sal_Int32 n=0; n<repositories.getLength(); n++)
+ {
+ try
+ {
+ uno::Reference< xml::dom::XDocument > xDocument = m_xDocumentBuilder->parse(load(repositories[n]));
+ uno::Reference< xml::dom::XElement > xElement;
+
+ if( xDocument.is() )
+ xElement = xDocument->getDocumentElement();
+
+ if( xElement.is() )
+ {
+ if( xElement->getNodeName() == "feed" )
+ {
+ OUString aXPathExpression;
+
+ if( !extensionId.isEmpty() )
+ aXPathExpression = "//atom:entry/atom:category[@term=\'" + extensionId + "\']/..";
+ else
+ aXPathExpression = "//atom:entry";
+
+ uno::Reference< xml::dom::XNodeList > xNodeList;
+ try {
+ xNodeList = m_xXPathAPI->selectNodeList(xDocument.get(),
+ aXPathExpression);
+ } catch (const xml::xpath::XPathException &) {
+ // ignore
+ }
+
+ return new UpdateInformationEnumeration(xNodeList, this);
+ }
+ else
+ {
+ return new SingleUpdateInformationEnumeration(xElement);
+ }
+ }
+
+ if( m_bCancelled.check() )
+ break;
+ }
+ catch( uno::RuntimeException const& /*e*/)
+ {
+ // #i118675# ignore runtime exceptions for now
+ // especially the "unsatisfied query for interface of
+ // type com.sun.star.ucb.XCommandProcessor!" exception
+ }
+
+ // rethrow only if last url in the list
+ catch( uno::Exception const & )
+ {
+ if( n+1 >= repositories.getLength() )
+ throw;
+ }
+ }
+
+ return uno::Reference< container::XEnumeration >();
+}
+
+
+uno::Sequence< uno::Reference< xml::dom::XElement > > SAL_CALL
+UpdateInformationProvider::getUpdateInformation(
+ uno::Sequence< OUString > const & repositories,
+ OUString const & extensionId
+)
+{
+ uno::Reference< container::XEnumeration > xEnumeration(
+ getUpdateInformationEnumeration(repositories, extensionId)
+ );
+
+ std::vector< uno::Reference< xml::dom::XElement > > aRet;
+
+ if( xEnumeration.is() )
+ {
+ while( xEnumeration->hasMoreElements() )
+ {
+ try
+ {
+ deployment::UpdateInformationEntry aEntry;
+ if( (xEnumeration->nextElement() >>= aEntry ) && aEntry.UpdateDocument.is() )
+ {
+ aRet.push_back(aEntry.UpdateDocument);
+ }
+ }
+
+ catch( const lang::WrappedTargetException& e )
+ {
+ // command aborted, return what we have got so far
+ if( e.TargetException.isExtractableTo( ::cppu::UnoType< css::ucb::CommandAbortedException >::get() ) )
+ {
+ break;
+ }
+
+ // ignore files that can't be loaded
+ }
+ }
+ }
+
+ return comphelper::containerToSequence(aRet);
+}
+
+
+void SAL_CALL
+UpdateInformationProvider::cancel()
+{
+ m_bCancelled.set();
+
+ osl::MutexGuard aGuard(m_aMutex);
+ if( m_xCommandProcessor.is() )
+ m_xCommandProcessor->abort(m_nCommandId);
+}
+
+
+void SAL_CALL
+UpdateInformationProvider::setInteractionHandler(
+ uno::Reference< task::XInteractionHandler > const & handler )
+{
+ osl::MutexGuard aGuard(m_aMutex);
+ m_xInteractionHandler = handler;
+}
+
+
+uno::Reference< task::XInteractionHandler > SAL_CALL
+UpdateInformationProvider::getInteractionHandler()
+{
+ osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_xInteractionHandler.is() )
+ return m_xInteractionHandler;
+ else
+ {
+ try
+ {
+ // Supply an interaction handler that uses the password container
+ // service to obtain credentials without displaying a password gui.
+
+ if ( !m_xPwContainerInteractionHandler.is() )
+ m_xPwContainerInteractionHandler
+ = task::PasswordContainerInteractionHandler::create(
+ m_xContext );
+ }
+ catch ( uno::RuntimeException const & )
+ {
+ throw;
+ }
+ catch ( uno::Exception const & )
+ {
+ }
+ return m_xPwContainerInteractionHandler;
+ }
+}
+
+
+uno::Sequence< OUString >
+UpdateInformationProvider::getServiceNames()
+{
+ uno::Sequence< OUString > aServiceList { "com.sun.star.deployment.UpdateInformationProvider" };
+ return aServiceList;
+};
+
+
+OUString
+UpdateInformationProvider::getImplName()
+{
+ return "vnd.sun.UpdateInformationProvider";
+}
+
+
+OUString SAL_CALL
+UpdateInformationProvider::getImplementationName()
+{
+ return getImplName();
+}
+
+
+uno::Sequence< OUString > SAL_CALL
+UpdateInformationProvider::getSupportedServiceNames()
+{
+ return getServiceNames();
+}
+
+sal_Bool SAL_CALL
+UpdateInformationProvider::supportsService( OUString const & serviceName )
+{
+ return cppu::supportsService(this, serviceName);
+}
+
+} // anonymous namespace
+
+
+static uno::Reference<uno::XInterface>
+createInstance(uno::Reference<uno::XComponentContext> const & xContext)
+{
+ return UpdateInformationProvider::createInstance(xContext);
+}
+
+
+static const cppu::ImplementationEntry kImplementations_entries[] =
+{
+ {
+ createInstance,
+ UpdateInformationProvider::getImplName,
+ UpdateInformationProvider::getServiceNames,
+ cppu::createSingleComponentFactory,
+ nullptr,
+ 0
+ },
+ { nullptr, nullptr, nullptr, nullptr, nullptr, 0 }
+} ;
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT void * updatefeed_component_getFactory(const char *pszImplementationName, void *pServiceManager, void *pRegistryKey)
+{
+ return cppu::component_getFactoryHelper(
+ pszImplementationName,
+ pServiceManager,
+ pRegistryKey,
+ kImplementations_entries) ;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */