office-gobmx/sfx2/source/appl/macroloader.cxx
Caolán McNamara c7450d0b9d check IFrame "FrameURL" target
similiar to

commit b3edf85e0f
Date:   Wed Aug 7 17:37:11 2019 +0100

    warn on load when a document binds an event to a macro

Change-Id: Iea888b1c083d2dc69ec322309ac9ae8c5e5eb315
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/139059
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2022-08-31 15:36:27 +02:00

344 lines
12 KiB
C++

/* -*- 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_features.h>
#include <macroloader.hxx>
#include <com/sun/star/frame/DispatchResultState.hpp>
#include <basic/basmgr.hxx>
#include <basic/sbuno.hxx>
#include <basic/sberrors.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/weak.hxx>
#include <cppuhelper/weakref.hxx>
#include <framework/documentundoguard.hxx>
#include <sfx2/app.hxx>
#include <sfx2/frame.hxx>
#include <sfx2/objsh.hxx>
#include <tools/urlobj.hxx>
#include <vcl/svapp.hxx>
#include <memory>
using namespace ::com::sun::star;
using namespace ::com::sun::star::frame;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::util;
SfxMacroLoader::SfxMacroLoader(const css::uno::Sequence< css::uno::Any >& aArguments)
{
Reference < XFrame > xFrame;
if ( aArguments.hasElements() )
{
aArguments[0] >>= xFrame;
m_xFrame = xFrame;
}
}
OUString SAL_CALL SfxMacroLoader::getImplementationName()
{
return "com.sun.star.comp.sfx2.SfxMacroLoader";
}
sal_Bool SAL_CALL SfxMacroLoader::supportsService(OUString const & ServiceName)
{
return cppu::supportsService(this, ServiceName);
}
css::uno::Sequence<OUString> SAL_CALL SfxMacroLoader::getSupportedServiceNames()
{
return { "com.sun.star.frame.ProtocolHandler" };
}
SfxObjectShell* SfxMacroLoader::GetObjectShell(const Reference <XFrame>& xFrame)
{
SfxObjectShell* pDocShell = nullptr;
if ( xFrame.is() )
{
SfxFrame* pFrame=nullptr;
for ( pFrame = SfxFrame::GetFirst(); pFrame; pFrame = SfxFrame::GetNext( *pFrame ) )
{
if ( pFrame->GetFrameInterface() == xFrame )
break;
}
if ( pFrame )
pDocShell = pFrame->GetCurrentDocument();
}
return pDocShell;
}
SfxObjectShell* SfxMacroLoader::GetObjectShell_Impl()
{
Reference < XFrame > xFrame( m_xFrame.get(), UNO_QUERY );
return SfxMacroLoader::GetObjectShell(xFrame);
}
uno::Reference<frame::XDispatch> SAL_CALL SfxMacroLoader::queryDispatch(
const util::URL& aURL ,
const OUString& /*sTargetFrameName*/,
sal_Int32 /*nSearchFlags*/ )
{
uno::Reference<frame::XDispatch> xDispatcher;
if(aURL.Complete.startsWith("macro:"))
xDispatcher = this;
return xDispatcher;
}
uno::Sequence< uno::Reference<frame::XDispatch> > SAL_CALL
SfxMacroLoader::queryDispatches( const uno::Sequence < frame::DispatchDescriptor >& seqDescriptor )
{
sal_Int32 nCount = seqDescriptor.getLength();
uno::Sequence< uno::Reference<frame::XDispatch> > lDispatcher(nCount);
std::transform(seqDescriptor.begin(), seqDescriptor.end(), lDispatcher.getArray(),
[this](const frame::DispatchDescriptor& rDescr) -> uno::Reference<frame::XDispatch> {
return queryDispatch(rDescr.FeatureURL, rDescr.FrameName, rDescr.SearchFlags); });
return lDispatcher;
}
void SAL_CALL SfxMacroLoader::dispatchWithNotification(
const util::URL& aURL, const uno::Sequence<beans::PropertyValue>& /*lArgs*/,
const uno::Reference<frame::XDispatchResultListener>& xListener )
{
SolarMutexGuard aGuard;
uno::Any aAny;
ErrCode nErr = loadMacro( aURL.Complete, aAny, GetObjectShell_Impl() );
if( !xListener.is() )
return;
// always call dispatchFinished(), because we didn't load a document but
// executed a macro instead!
frame::DispatchResultEvent aEvent;
aEvent.Source = static_cast< ::cppu::OWeakObject* >(this);
if( nErr == ERRCODE_NONE )
aEvent.State = frame::DispatchResultState::SUCCESS;
else
aEvent.State = frame::DispatchResultState::FAILURE;
xListener->dispatchFinished( aEvent ) ;
}
uno::Any SAL_CALL SfxMacroLoader::dispatchWithReturnValue(
const util::URL& aURL, const uno::Sequence<beans::PropertyValue>& )
{
uno::Any aRet;
ErrCode nErr = loadMacro( aURL.Complete, aRet, GetObjectShell_Impl() );
// aRet gets set to a different value only if nErr == ERRCODE_NONE
// Return it in such case to preserve the original behaviour
// In all other cases (nErr != ERRCODE_NONE), the calling code gets
// the actual error code back
if ( nErr != ERRCODE_NONE )
{
beans::PropertyValue aErrorCode;
aErrorCode.Name = "ErrorCode";
aErrorCode.Value <<= sal_uInt32(nErr);
aRet <<= aErrorCode;
}
return aRet;
}
void SAL_CALL SfxMacroLoader::dispatch(
const util::URL& aURL, const uno::Sequence<beans::PropertyValue>& /*lArgs*/ )
{
SolarMutexGuard aGuard;
uno::Any aAny;
loadMacro( aURL.Complete, aAny, GetObjectShell_Impl() );
}
void SAL_CALL SfxMacroLoader::addStatusListener(
const uno::Reference< frame::XStatusListener >& ,
const util::URL& )
{
/* TODO
How we can handle different listener for further coming or currently running dispatch() jobs
without any inconsistency!
*/
}
void SAL_CALL SfxMacroLoader::removeStatusListener(
const uno::Reference< frame::XStatusListener >&,
const util::URL& )
{
}
ErrCode SfxMacroLoader::loadMacro( const OUString& rURL, css::uno::Any& rRetval, SfxObjectShell* pSh )
{
#if !HAVE_FEATURE_SCRIPTING
(void) rURL;
(void) rRetval;
(void) pSh;
return ERRCODE_BASIC_PROC_UNDEFINED;
#else
SfxObjectShell* pCurrent = pSh;
if ( !pCurrent )
// all not full qualified names use the BASIC of the given or current document
pCurrent = SfxObjectShell::Current();
// 'macro:///lib.mod.proc(args)' => macro of App-BASIC
// 'macro://[docname|.]/lib.mod.proc(args)' => macro of current or qualified document
// 'macro://obj.method(args)' => direct API call, execute it via App-BASIC
const OUString& aMacro( rURL );
sal_Int32 nThirdSlashPos = aMacro.indexOf( '/', 8 );
sal_Int32 nArgsPos = aMacro.indexOf( '(' );
BasicManager *pAppMgr = SfxApplication::GetBasicManager();
BasicManager *pBasMgr = nullptr;
ErrCode nErr = ERRCODE_NONE;
// should a macro function be executed ( no direct API call)?
if ( -1 != nThirdSlashPos && ( -1 == nArgsPos || nThirdSlashPos < nArgsPos ) )
{
// find BasicManager
SfxObjectShell* pDoc = nullptr;
OUString aBasMgrName( INetURLObject::decode(aMacro.subView( 8, nThirdSlashPos-8 ), INetURLObject::DecodeMechanism::WithCharset) );
if ( aBasMgrName.isEmpty() )
pBasMgr = pAppMgr;
else if ( aBasMgrName == "." )
{
// current/actual document
pDoc = pCurrent;
if (pDoc)
pBasMgr = pDoc->GetBasicManager();
}
else
{
// full qualified name, find document by name
for ( SfxObjectShell *pObjSh = SfxObjectShell::GetFirst();
pObjSh && !pBasMgr;
pObjSh = SfxObjectShell::GetNext(*pObjSh) )
if ( aBasMgrName == pObjSh->GetTitle(SFX_TITLE_APINAME) )
{
pDoc = pObjSh;
pBasMgr = pDoc->GetBasicManager();
}
}
if ( pBasMgr )
{
const bool bIsAppBasic = ( pBasMgr == pAppMgr );
const bool bIsDocBasic = ( pBasMgr != pAppMgr );
if ( pDoc )
{
// security check for macros from document basic if an SFX doc is given
if ( !pDoc->AdjustMacroMode() )
// check forbids execution
return ERRCODE_IO_ACCESSDENIED;
}
// find BASIC method
OUString aQualifiedMethod( INetURLObject::decode(aMacro.subView( nThirdSlashPos+1 ), INetURLObject::DecodeMechanism::WithCharset) );
OUString aArgs;
if ( -1 != nArgsPos )
{
// remove arguments from macro name
aArgs = aQualifiedMethod.copy( nArgsPos - nThirdSlashPos - 1 );
aQualifiedMethod = aQualifiedMethod.copy( 0, nArgsPos - nThirdSlashPos - 1 );
}
if ( pBasMgr->HasMacro( aQualifiedMethod ) )
{
Any aOldThisComponent;
const bool bSetDocMacroMode = ( pDoc != nullptr ) && bIsDocBasic;
const bool bSetGlobalThisComponent = ( pDoc != nullptr ) && bIsAppBasic;
if ( bSetDocMacroMode )
{
// mark document: it executes an own macro, so it's in a modal mode
pDoc->SetMacroMode_Impl();
}
if ( bSetGlobalThisComponent )
{
// document is executed via AppBASIC, adjust ThisComponent variable
pAppMgr->SetGlobalUNOConstant( "ThisComponent", Any( pDoc->GetModel() ), &aOldThisComponent );
}
// just to let the shell be alive
SfxObjectShellRef xKeepDocAlive = pDoc;
{
// attempt to protect the document against the script tampering with its Undo Context
std::optional< ::framework::DocumentUndoGuard > pUndoGuard;
if ( bIsDocBasic )
pUndoGuard.emplace( pDoc->GetModel() );
// execute the method
SbxVariableRef retValRef = new SbxVariable;
nErr = pBasMgr->ExecuteMacro( aQualifiedMethod, aArgs, retValRef.get() );
if ( nErr == ERRCODE_NONE )
rRetval = sbxToUnoValue( retValRef.get() );
}
if ( bSetGlobalThisComponent )
{
pAppMgr->SetGlobalUNOConstant( "ThisComponent", aOldThisComponent );
}
if ( bSetDocMacroMode )
{
// remove flag for modal mode
pDoc->SetMacroMode_Impl( false );
}
}
else
nErr = ERRCODE_BASIC_PROC_UNDEFINED;
}
else
nErr = ERRCODE_IO_NOTEXISTS;
}
else
{
// direct API call on a specified object
OUString aCall =
"[" +
INetURLObject::decode(aMacro.subView(6),
INetURLObject::DecodeMechanism::WithCharset) +
"]";
pAppMgr->GetLib(0)->Execute(aCall);
nErr = SbxBase::GetError();
}
SbxBase::ResetError();
return nErr;
#endif
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_comp_sfx2_SfxMacroLoader_get_implementation(
css::uno::XComponentContext *,
css::uno::Sequence<css::uno::Any> const &arguments)
{
return cppu::acquire(new SfxMacroLoader(arguments));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */