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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 "scripthandler.hxx"
+
+#include <com/sun/star/frame/DispatchResultEvent.hpp>
+#include <com/sun/star/frame/DispatchResultState.hpp>
+#include <com/sun/star/frame/XController.hpp>
+#include <com/sun/star/frame/XModel.hpp>
+
+#include <com/sun/star/document/XEmbeddedScripts.hpp>
+#include <com/sun/star/document/XScriptInvocationContext.hpp>
+
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/script/provider/ScriptFrameworkErrorException.hpp>
+#include <com/sun/star/script/provider/XScriptProviderSupplier.hpp>
+#include <com/sun/star/script/provider/theMasterScriptProviderFactory.hpp>
+#include <com/sun/star/script/provider/ScriptFrameworkErrorType.hpp>
+
+#include <sfx2/objsh.hxx>
+#include <sfx2/frame.hxx>
+#include <sfx2/sfxdlg.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <cppuhelper/exc_hlp.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <framework/documentundoguard.hxx>
+#include <officecfg/Office/Common.hxx>
+
+#include <com/sun/star/uri/XUriReference.hpp>
+#include <com/sun/star/uri/XVndSunStarScriptUrlReference.hpp>
+#include <com/sun/star/uri/UriReferenceFactory.hpp>
+
+#include <memory>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::frame;
+using namespace ::com::sun::star::util;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::script;
+using namespace ::com::sun::star::script::provider;
+using namespace ::com::sun::star::document;
+
+namespace scripting_protocolhandler
+{
+
+void SAL_CALL ScriptProtocolHandler::initialize(
+ const css::uno::Sequence < css::uno::Any >& aArguments )
+{
+ if ( m_bInitialised )
+ {
+ return ;
+ }
+
+ // first argument contains a reference to the frame (may be empty or the desktop,
+ // but usually it's a "real" frame)
+ if ( aArguments.hasElements() && !( aArguments[ 0 ] >>= m_xFrame ) )
+ {
+ throw RuntimeException( "ScriptProtocolHandler::initialize: could not extract reference to the frame" );
+ }
+
+ ENSURE_OR_THROW( m_xContext.is(), "ScriptProtocolHandler::initialize: No Service Manager available" );
+ m_bInitialised = true;
+}
+
+Reference< XDispatch > SAL_CALL ScriptProtocolHandler::queryDispatch(
+ const URL& aURL, const OUString&, sal_Int32 )
+{
+ Reference< XDispatch > xDispatcher;
+ // get scheme of url
+
+ Reference< uri::XUriReferenceFactory > xFac = uri::UriReferenceFactory::create( m_xContext );
+ Reference< uri::XUriReference > uriRef = xFac->parse( aURL.Complete );
+ if ( uriRef.is() )
+ {
+ if ( uriRef->getScheme() == "vnd.sun.star.script" )
+ {
+ xDispatcher = this;
+ }
+ }
+
+ return xDispatcher;
+}
+
+Sequence< Reference< XDispatch > > SAL_CALL
+ScriptProtocolHandler::queryDispatches(
+const Sequence < DispatchDescriptor >& seqDescriptor )
+{
+ sal_Int32 nCount = seqDescriptor.getLength();
+ Sequence< Reference< XDispatch > > lDispatcher( nCount );
+ std::transform(seqDescriptor.begin(), seqDescriptor.end(), lDispatcher.getArray(),
+ [this](const DispatchDescriptor& rDescr) -> Reference<XDispatch> {
+ return queryDispatch(rDescr.FeatureURL, rDescr.FrameName, rDescr.SearchFlags); });
+ return lDispatcher;
+}
+
+void SAL_CALL ScriptProtocolHandler::dispatchWithNotification(
+ const URL& aURL, const Sequence < PropertyValue >& lArgs,
+ const Reference< XDispatchResultListener >& xListener )
+{
+ if (officecfg::Office::Common::Security::Scripting::DisableMacrosExecution::get())
+ return;
+
+ bool bSuccess = false;
+ Any invokeResult;
+ bool bCaughtException = false;
+ Any aException;
+
+ if ( m_bInitialised )
+ {
+ try
+ {
+ css::uno::Reference<css::uri::XUriReferenceFactory> urifac(
+ css::uri::UriReferenceFactory::create(m_xContext));
+ css::uno::Reference<css::uri::XVndSunStarScriptUrlReference> uri(
+ urifac->parse(aURL.Complete), css::uno::UNO_QUERY_THROW);
+ auto const loc = uri->getParameter("location");
+ bool bIsDocumentScript = loc == "document";
+
+ if ( bIsDocumentScript )
+ {
+ // obtain the component for our security check
+ Reference< XEmbeddedScripts > xDocumentScripts;
+ if ( getScriptInvocation() )
+ xDocumentScripts.set( m_xScriptInvocation->getScriptContainer(), UNO_SET_THROW );
+
+ OSL_ENSURE( xDocumentScripts.is(), "ScriptProtocolHandler::dispatchWithNotification: can't do the security check!" );
+ if ( !xDocumentScripts.is() || !xDocumentScripts->getAllowMacroExecution() )
+ {
+ if ( xListener.is() )
+ {
+ css::frame::DispatchResultEvent aEvent(
+ static_cast< ::cppu::OWeakObject* >( this ),
+ css::frame::DispatchResultState::FAILURE,
+ invokeResult );
+ try
+ {
+ xListener->dispatchFinished( aEvent ) ;
+ }
+ catch(const RuntimeException &)
+ {
+ TOOLS_WARN_EXCEPTION("scripting",
+ "ScriptProtocolHandler::dispatchWithNotification: caught RuntimeException"
+ "while dispatchFinished with failure of the execution");
+ }
+ }
+ return;
+ }
+ }
+
+ // Creates a ScriptProvider ( if one is not created already )
+ createScriptProvider();
+
+ Reference< provider::XScript > xFunc =
+ m_xScriptProvider->getScript( aURL.Complete );
+ ENSURE_OR_THROW( xFunc.is(),
+ "ScriptProtocolHandler::dispatchWithNotification: validate xFunc - unable to obtain XScript interface" );
+
+
+ Sequence< Any > inArgs;
+ Sequence< Any > outArgs;
+ Sequence< sal_Int16 > outIndex;
+
+ if ( lArgs.hasElements() )
+ {
+ int argCount = 0;
+ for ( const auto& rArg : lArgs )
+ {
+ // Sometimes we get a propertyval with name = "Referer" or "SynchronMode". These
+ // are not actual arguments to be passed to script, but flags describing the
+ // call, so ignore. Who thought that passing such "meta-arguments" mixed in with
+ // real arguments was a good idea?
+ if ( (rArg.Name != "Referer" &&
+ rArg.Name != "SynchronMode") ||
+ rArg.Name.isEmpty() ) //TODO:???
+ {
+ inArgs.realloc( ++argCount );
+ inArgs.getArray()[ argCount - 1 ] = rArg.Value;
+ }
+ }
+ }
+
+ // attempt to protect the document against the script tampering with its Undo Context
+ std::unique_ptr< ::framework::DocumentUndoGuard > pUndoGuard;
+ if ( bIsDocumentScript )
+ pUndoGuard.reset( new ::framework::DocumentUndoGuard( m_xScriptInvocation ) );
+
+ bSuccess = false;
+ while ( !bSuccess )
+ {
+ std::exception_ptr aFirstCaughtException;
+ try
+ {
+ invokeResult = xFunc->invoke( inArgs, outIndex, outArgs );
+ bSuccess = true;
+ }
+ catch( const provider::ScriptFrameworkErrorException& se )
+ {
+ if (!aFirstCaughtException)
+ aFirstCaughtException = std::current_exception();
+
+ if ( se.errorType != provider::ScriptFrameworkErrorType::NO_SUCH_SCRIPT )
+ // the only condition which allows us to retry is if there is no method with the
+ // given name/signature
+ std::rethrow_exception(aFirstCaughtException);
+
+ if ( !inArgs.hasElements() )
+ // no chance to retry if we can't strip more in-args
+ std::rethrow_exception(aFirstCaughtException);
+
+ // strip one argument, then retry
+ inArgs.realloc( inArgs.getLength() - 1 );
+ }
+ }
+ }
+ // Office doesn't handle exceptions rethrown here very well, it cores,
+ // all we can is log them and then set fail for the dispatch event!
+ // (if there is a listener of course)
+ catch ( const Exception & e )
+ {
+ aException = ::cppu::getCaughtException();
+
+ invokeResult <<= "ScriptProtocolHandler::dispatch: caught "
+ + aException.getValueTypeName() + ": " + e.Message;
+
+ bCaughtException = true;
+ }
+ }
+ else
+ {
+ invokeResult <<= OUString(
+ "ScriptProtocolHandler::dispatchWithNotification failed, ScriptProtocolHandler not initialised"
+ );
+ }
+
+ if ( bCaughtException )
+ {
+ SfxAbstractDialogFactory* pFact = SfxAbstractDialogFactory::Create();
+ pFact->ShowAsyncScriptErrorDialog( nullptr, aException );
+ }
+
+ if ( !xListener.is() )
+ return;
+
+ // always call dispatchFinished(), because we didn't load a document but
+ // executed a macro instead!
+ css::frame::DispatchResultEvent aEvent;
+
+ aEvent.Source = static_cast< ::cppu::OWeakObject* >( this );
+ aEvent.Result = invokeResult;
+ if ( bSuccess )
+ {
+ aEvent.State = css::frame::DispatchResultState::SUCCESS;
+ }
+ else
+ {
+ aEvent.State = css::frame::DispatchResultState::FAILURE;
+ }
+
+ try
+ {
+ xListener->dispatchFinished( aEvent ) ;
+ }
+ catch(const RuntimeException &)
+ {
+ TOOLS_WARN_EXCEPTION("scripting",
+ "ScriptProtocolHandler::dispatchWithNotification: caught RuntimeException"
+ "while dispatchFinished" );
+ }
+}
+
+void SAL_CALL ScriptProtocolHandler::dispatch(
+const URL& aURL, const Sequence< PropertyValue >& lArgs )
+{
+ dispatchWithNotification( aURL, lArgs, Reference< XDispatchResultListener >() );
+}
+
+void SAL_CALL ScriptProtocolHandler::addStatusListener(
+const Reference< XStatusListener >&, const URL& )
+{
+ // implement if status is supported
+}
+
+void SAL_CALL ScriptProtocolHandler::removeStatusListener(
+const Reference< XStatusListener >&, const URL& )
+{}
+
+bool
+ScriptProtocolHandler::getScriptInvocation()
+{
+ if ( !m_xScriptInvocation.is() && m_xFrame.is() )
+ {
+ Reference< XController > xController = m_xFrame->getController();
+ if ( xController .is() )
+ {
+ // try to obtain an XScriptInvocationContext interface, preferred from the
+ // mode, then from the controller
+ if ( !m_xScriptInvocation.set( xController->getModel(), UNO_QUERY ) )
+ m_xScriptInvocation.set( xController, UNO_QUERY );
+ }
+ else
+ {
+ if ( m_xFrame.is() )
+ {
+ SfxFrame* pFrame = nullptr;
+ for ( pFrame = SfxFrame::GetFirst(); pFrame; pFrame = SfxFrame::GetNext( *pFrame ) )
+ {
+ if ( pFrame->GetFrameInterface() == m_xFrame )
+ break;
+ }
+ if (SfxObjectShell* pDocShell = pFrame ? pFrame->GetCurrentDocument() : SfxObjectShell::Current())
+ {
+ Reference< XModel > xModel( pDocShell->GetModel() );
+ m_xScriptInvocation.set( xModel, UNO_QUERY );
+ }
+ }
+ }
+ }
+ return m_xScriptInvocation.is();
+}
+
+void ScriptProtocolHandler::createScriptProvider()
+{
+ if ( m_xScriptProvider.is() )
+ return;
+
+ try
+ {
+ // first, ask the component supporting the XScriptInvocationContext interface
+ // (if there is one) for a script provider
+ if ( getScriptInvocation() )
+ {
+ Reference< XScriptProviderSupplier > xSPS( m_xScriptInvocation, UNO_QUERY );
+ if ( xSPS.is() )
+ m_xScriptProvider = xSPS->getScriptProvider();
+ }
+
+ // second, ask the model in our frame
+ if ( !m_xScriptProvider.is() && m_xFrame.is() )
+ {
+ Reference< XController > xController = m_xFrame->getController();
+ if ( xController .is() )
+ {
+ Reference< XScriptProviderSupplier > xSPS( xController->getModel(), UNO_QUERY );
+ if ( xSPS.is() )
+ m_xScriptProvider = xSPS->getScriptProvider();
+ }
+ }
+
+
+ // as a fallback, ask the controller
+ if ( !m_xScriptProvider.is() && m_xFrame.is() )
+ {
+ Reference< XScriptProviderSupplier > xSPS( m_xFrame->getController(), UNO_QUERY );
+ if ( xSPS.is() )
+ m_xScriptProvider = xSPS->getScriptProvider();
+ }
+
+ // if nothing of this is successful, use the master script provider
+ if ( !m_xScriptProvider.is() )
+ {
+ Reference< provider::XScriptProviderFactory > xFac =
+ provider::theMasterScriptProviderFactory::get( m_xContext );
+
+ Any aContext;
+ if ( getScriptInvocation() )
+ aContext <<= m_xScriptInvocation;
+ m_xScriptProvider.set( xFac->createScriptProvider( aContext ), UNO_SET_THROW );
+ }
+ }
+ catch ( const Exception & e )
+ {
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw css::lang::WrappedTargetRuntimeException(
+ "ScriptProtocolHandler::createScriptProvider: " + e.Message,
+ nullptr, anyEx );
+ }
+}
+
+ScriptProtocolHandler::ScriptProtocolHandler( const Reference< css::uno::XComponentContext > & xContext )
+ : m_bInitialised( false ), m_xContext( xContext )
+{
+}
+
+ScriptProtocolHandler::~ScriptProtocolHandler()
+{
+}
+
+/* XServiceInfo */
+OUString SAL_CALL ScriptProtocolHandler::getImplementationName( )
+{
+ return "com.sun.star.comp.ScriptProtocolHandler";
+}
+
+/* XServiceInfo */
+sal_Bool SAL_CALL ScriptProtocolHandler::supportsService(const OUString& sServiceName )
+{
+ return cppu::supportsService(this, sServiceName);
+}
+
+/* XServiceInfo */
+Sequence< OUString > SAL_CALL ScriptProtocolHandler::getSupportedServiceNames()
+{
+ return {"com.sun.star.frame.ProtocolHandler"};
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+scripting_ScriptProtocolHandler_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+ return cppu::acquire(new ScriptProtocolHandler(context));
+}
+
+} // namespace scripting_protocolhandler
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */