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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 <UriBindingHelper.hxx>
#include <tools/solar.h>
#include <unotools/streamhelper.hxx>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <osl/diagnose.h>
#include <rtl/uri.hxx>
#include <sal/log.hxx>
using namespace com::sun::star;
// XUriBinding
UriBindingHelper::UriBindingHelper()
{
}
UriBindingHelper::UriBindingHelper( const css::uno::Reference < css::embed::XStorage >& rxStorage )
{
mxStorage = rxStorage;
}
void SAL_CALL UriBindingHelper::setUriBinding( const OUString& /*uri*/, const uno::Reference< io::XInputStream >&)
{
}
uno::Reference< io::XInputStream > SAL_CALL UriBindingHelper::getUriBinding( const OUString& uri )
{
uno::Reference< io::XInputStream > xInputStream;
if ( mxStorage.is() )
{
xInputStream = OpenInputStream( mxStorage, uri );
}
else
{
SvFileStream* pStream = new SvFileStream( uri, StreamMode::READ );
sal_uInt64 nBytes = pStream->TellEnd();
SvLockBytesRef xLockBytes = new SvLockBytes( pStream, true );
xInputStream = new utl::OInputStreamHelper( xLockBytes, nBytes );
}
return xInputStream;
}
uno::Reference < io::XInputStream > UriBindingHelper::OpenInputStream( const uno::Reference < embed::XStorage >& rxStore, const OUString& rURI )
{
OSL_ASSERT(!rURI.isEmpty());
uno::Reference < io::XInputStream > xInStream;
OUString aURI(rURI);
// Ignore leading slash, don't attempt to open a storage with name "".
if (aURI.startsWith("/"))
aURI = aURI.copy(1);
// Ignore query part of the URI.
sal_Int32 nQueryPos = aURI.indexOf('?');
if (nQueryPos != -1)
aURI = aURI.copy(0, nQueryPos);
sal_Int32 nSepPos = aURI.indexOf( '/' );
if ( nSepPos == -1 )
{
// Cloning because of I can't keep all storage references open
// MBA with think about a better API...
const OUString sName = ::rtl::Uri::decode(
aURI, rtl_UriDecodeStrict, rtl_UriCharClassRelSegment);
if (sName.isEmpty() && !aURI.isEmpty())
throw uno::Exception("Could not decode URI for stream element.", nullptr);
uno::Reference< io::XStream > xStream;
if (!rxStore->hasByName(sName))
SAL_WARN("xmlsecurity.helper", "expected stream, but not found: " << sName);
else
xStream = rxStore->cloneStreamElement( sName );
if ( !xStream.is() )
throw uno::RuntimeException();
xInStream = xStream->getInputStream();
}
else
{
const OUString aStoreName = ::rtl::Uri::decode(
aURI.copy( 0, nSepPos ), rtl_UriDecodeStrict, rtl_UriCharClassRelSegment);
if (aStoreName.isEmpty() && !aURI.isEmpty())
throw uno::Exception("Could not decode URI for stream element.", nullptr);
OUString aElement = aURI.copy( nSepPos+1 );
uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( aStoreName, embed::ElementModes::READ );
xInStream = OpenInputStream( xSubStore, aElement );
}
return xInStream;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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