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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 <comphelper/stillreadwriteinteraction.hxx>
#include <com/sun/star/ucb/InteractiveIOException.hpp>
#include <com/sun/star/task/XInteractionAbort.hpp>
#include <com/sun/star/task/XInteractionApprove.hpp>
#include <com/sun/star/ucb/UnsupportedDataSinkException.hpp>
#include <com/sun/star/ucb/AuthenticationRequest.hpp>
#include <com/sun/star/ucb/CertificateValidationRequest.hpp>
#include <utility>
namespace comphelper{
const sal_Int32 HANDLE_INTERACTIVEIOEXCEPTION = 0;
const sal_Int32 HANDLE_UNSUPPORTEDDATASINKEXCEPTION = 1;
const sal_Int32 HANDLE_AUTHENTICATIONREQUESTEXCEPTION = 2;
const sal_Int32 HANDLE_CERTIFICATEVALIDATIONREQUESTEXCEPTION = 3;
static std::span<const ::ucbhelper::InterceptedInteraction::InterceptedRequest> getInterceptions()
{
static const ::ucbhelper::InterceptedInteraction::InterceptedRequest lInterceptions[] {
{
css::uno::Any(css::ucb::InteractiveIOException()),
cppu::UnoType<css::task::XInteractionAbort>::get(), HANDLE_INTERACTIVEIOEXCEPTION
},
{
css::uno::Any(css::ucb::UnsupportedDataSinkException()),
cppu::UnoType<css::task::XInteractionAbort>::get(), HANDLE_UNSUPPORTEDDATASINKEXCEPTION
},
{
css::uno::Any(css::ucb::AuthenticationRequest()),
cppu::UnoType<css::task::XInteractionApprove>::get(), HANDLE_AUTHENTICATIONREQUESTEXCEPTION
},
{
css::uno::Any(css::ucb::CertificateValidationRequest()),
cppu::UnoType<css::task::XInteractionApprove>::get(), HANDLE_CERTIFICATEVALIDATIONREQUESTEXCEPTION
},
};
return lInterceptions;
}
StillReadWriteInteraction::StillReadWriteInteraction(const css::uno::Reference< css::task::XInteractionHandler >& xHandler,
css::uno::Reference< css::task::XInteractionHandler > xAuxiliaryHandler)
: InterceptedInteraction(getInterceptions())
, m_bUsed (false)
, m_bHandledByMySelf (false)
, m_xAuxiliaryHandler(std::move(xAuxiliaryHandler))
{
setInterceptedHandler(xHandler);
}
void StillReadWriteInteraction::resetErrorStates()
{
m_bUsed = false;
m_bHandledByMySelf = false;
}
ucbhelper::InterceptedInteraction::EInterceptionState StillReadWriteInteraction::intercepted(const ::ucbhelper::InterceptedInteraction::InterceptedRequest& aRequest,
const css::uno::Reference< css::task::XInteractionRequest >& xRequest)
{
// we are used!
m_bUsed = true;
// check if it's a real interception - might some parameters are not the right ones ...
bool bAbort = false;
switch(aRequest.Handle)
{
case HANDLE_INTERACTIVEIOEXCEPTION:
{
css::ucb::InteractiveIOException exIO;
xRequest->getRequest() >>= exIO;
bAbort = (
(exIO.Code == css::ucb::IOErrorCode_ACCESS_DENIED )
|| (exIO.Code == css::ucb::IOErrorCode_LOCKING_VIOLATION )
|| (exIO.Code == css::ucb::IOErrorCode_NOT_EXISTING )
// At least on Linux, a request to open some fuse-mounted file O_RDWR may fail with
// EOPNOTSUPP (mapped to osl_File_E_NOSYS to IOErrorCode_NOT_SUPPORTED) when opening
// it O_RDONLY would succeed:
|| (exIO.Code == css::ucb::IOErrorCode_NOT_SUPPORTED )
#ifdef MACOSX
// this is a workaround for MAC, on this platform if the file is locked
// the returned error code looks to be wrong
|| (exIO.Code == css::ucb::IOErrorCode_GENERAL )
#endif
);
}
break;
case HANDLE_UNSUPPORTEDDATASINKEXCEPTION:
{
bAbort = true;
}
break;
case HANDLE_CERTIFICATEVALIDATIONREQUESTEXCEPTION:
case HANDLE_AUTHENTICATIONREQUESTEXCEPTION:
{
//use internal auxiliary handler and return
if (m_xAuxiliaryHandler.is())
{
m_xAuxiliaryHandler->handle(xRequest);
return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
}
else //simply abort
bAbort = true;
}
break;
}
// handle interaction by ourself
if (bAbort)
{
m_bHandledByMySelf = true;
css::uno::Reference< css::task::XInteractionContinuation > xAbort = ::ucbhelper::InterceptedInteraction::extractContinuation(
xRequest->getContinuations(),
cppu::UnoType<css::task::XInteractionAbort>::get() );
if (!xAbort.is())
return ::ucbhelper::InterceptedInteraction::E_NO_CONTINUATION_FOUND;
xAbort->select();
return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
}
// Otherwise use internal handler.
if (m_xInterceptedHandler.is())
{
m_xInterceptedHandler->handle(xRequest);
}
return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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