Avoid potential negative array index access to cached text.
[LibreOffice.git] / framework / source / dispatch / systemexec.cxx
blob1891b9b62b1f46780f79fac2b4861909a3d88869
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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6 * License, v. 2.0. If a copy of the MPL was not distributed with this
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9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
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14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #include <dispatch/systemexec.hxx>
21 #include <services.h>
23 #include <com/sun/star/system/SystemShellExecute.hpp>
24 #include <com/sun/star/util/PathSubstitution.hpp>
25 #include <com/sun/star/util/XStringSubstitution.hpp>
26 #include <com/sun/star/system/SystemShellExecuteFlags.hpp>
27 #include <com/sun/star/frame/DispatchResultState.hpp>
28 #include <cppuhelper/supportsservice.hxx>
29 #include <utility>
31 namespace framework{
33 constexpr OUString PROTOCOL_VALUE = u"systemexecute:"_ustr;
35 // XInterface, XTypeProvider, XServiceInfo
37 OUString SAL_CALL SystemExec::getImplementationName()
39 return "com.sun.star.comp.framework.SystemExecute";
42 sal_Bool SAL_CALL SystemExec::supportsService( const OUString& sServiceName )
44 return cppu::supportsService(this, sServiceName);
47 css::uno::Sequence< OUString > SAL_CALL SystemExec::getSupportedServiceNames()
49 return { SERVICENAME_PROTOCOLHANDLER };
52 SystemExec::SystemExec( css::uno::Reference< css::uno::XComponentContext > xContext )
53 : m_xContext (std::move( xContext ))
57 SystemExec::~SystemExec()
61 css::uno::Reference< css::frame::XDispatch > SAL_CALL SystemExec::queryDispatch( const css::util::URL& aURL ,
62 const OUString&,
63 sal_Int32 )
65 css::uno::Reference< css::frame::XDispatch > xDispatcher;
66 if (aURL.Complete.startsWith(PROTOCOL_VALUE))
67 xDispatcher = this;
68 return xDispatcher;
71 css::uno::Sequence< css::uno::Reference< css::frame::XDispatch > > SAL_CALL SystemExec::queryDispatches( const css::uno::Sequence< css::frame::DispatchDescriptor >& lDescriptor )
73 sal_Int32 nCount = lDescriptor.getLength();
74 css::uno::Sequence< css::uno::Reference< css::frame::XDispatch > > lDispatcher( nCount );
75 auto lDispatcherRange = asNonConstRange(lDispatcher);
76 for( sal_Int32 i=0; i<nCount; ++i )
78 lDispatcherRange[i] = queryDispatch(
79 lDescriptor[i].FeatureURL,
80 lDescriptor[i].FrameName,
81 lDescriptor[i].SearchFlags);
83 return lDispatcher;
86 void SAL_CALL SystemExec::dispatch( const css::util::URL& aURL ,
87 const css::uno::Sequence< css::beans::PropertyValue >& lArguments )
89 dispatchWithNotification(aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >());
92 void SAL_CALL SystemExec::dispatchWithNotification( const css::util::URL& aURL ,
93 const css::uno::Sequence< css::beans::PropertyValue >&,
94 const css::uno::Reference< css::frame::XDispatchResultListener >& xListener )
96 // convert "systemexec:file:///c:/temp/test.html" => "file:///c:/temp/test.html"
97 sal_Int32 c = aURL.Complete.getLength()-PROTOCOL_VALUE.getLength();
98 if (c<1) // we don't check for valid URLs here! The system will show an error message ...
100 impl_notifyResultListener(xListener, css::frame::DispatchResultState::FAILURE);
101 return;
103 OUString sSystemURLWithVariables = aURL.Complete.copy(PROTOCOL_VALUE.getLength(), c);
105 // TODO check security settings ...
109 css::uno::Reference< css::util::XStringSubstitution > xPathSubst( css::util::PathSubstitution::create(m_xContext) );
111 OUString sSystemURL = xPathSubst->substituteVariables(sSystemURLWithVariables, true); // sal_True force an exception if unknown variables exists !
113 css::uno::Reference< css::system::XSystemShellExecute > xShell = css::system::SystemShellExecute::create( m_xContext );
115 xShell->execute(sSystemURL, OUString(), css::system::SystemShellExecuteFlags::URIS_ONLY);
116 impl_notifyResultListener(xListener, css::frame::DispatchResultState::SUCCESS);
118 catch(const css::uno::Exception&)
120 impl_notifyResultListener(xListener, css::frame::DispatchResultState::FAILURE);
124 void SAL_CALL SystemExec::addStatusListener( const css::uno::Reference< css::frame::XStatusListener >&,
125 const css::util::URL& )
127 // not supported yet
130 void SAL_CALL SystemExec::removeStatusListener( const css::uno::Reference< css::frame::XStatusListener >&,
131 const css::util::URL& )
133 // not supported yet
136 void SystemExec::impl_notifyResultListener(const css::uno::Reference< css::frame::XDispatchResultListener >& xListener,
137 const sal_Int16 nState )
139 if (xListener.is())
141 css::frame::DispatchResultEvent aEvent;
142 aEvent.State = nState;
143 xListener->dispatchFinished(aEvent);
147 } // namespace framework
149 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
150 framework_SystemExecute_get_implementation(
151 css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& )
153 return cppu::acquire(new framework::SystemExec(context));
156 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */