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/**
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* XSEC
*
* XSECPlatformUtils:= To support the platform we run in
*
* Author(s): Berin Lautenbach
*
* $Id: XSECPlatformUtils.cpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
// XSEC
#include <xsec/utils/XSECPlatformUtils.hpp>
#include <xsec/framework/XSECError.hpp>
#include <xsec/dsig/DSIGConstants.hpp>
#include <xsec/dsig/DSIGSignature.hpp>
#include <xsec/xkms/XKMSConstants.hpp>
#include <xsec/framework/XSECAlgorithmMapper.hpp>
#include <xsec/transformers/TXFMOutputFile.hpp>
#include "../xenc/impl/XENCCipherImpl.hpp"
XERCES_CPP_NAMESPACE_USE
#if defined(_WIN32)
#include <xsec/utils/winutils/XSECBinHTTPURIInputStream.hpp>
#endif
#if defined (XSEC_HAVE_OPENSSL)
# include <xsec/enc/OpenSSL/OpenSSLCryptoProvider.hpp>
#endif
#if defined (XSEC_HAVE_WINCAPI)
# include <xsec/enc/WinCAPI/WinCAPICryptoProvider.hpp>
#endif
#if defined (XSEC_HAVE_NSS)
# include <xsec/enc/NSS/NSSCryptoProvider.hpp>
#endif
// Static data used by all of XSEC
int XSECPlatformUtils::initCount = 0;
XSECCryptoProvider * XSECPlatformUtils::g_cryptoProvider = NULL;
// Have a const copy for external usage
const XSECAlgorithmMapper * XSECPlatformUtils::g_algorithmMapper = NULL;
XSECAlgorithmMapper * internalMapper = NULL;
XSECPlatformUtils::TransformFactory* XSECPlatformUtils::g_loggingSink = NULL;
// Determine default crypto provider
#if defined (XSEC_HAVE_OPENSSL)
# define XSEC_DEFAULT_PROVIDER OpenSSLCryptoProvider()
#else
# if defined (XSEC_HAVE_WINCAPI)
# define XSEC_DEFAULT_PROVIDER WinCAPICryptoProvider()
# else
# if defined (XSEC_HAVE_NSS)
# define XSEC_DEFAULT_PROVIDER NSSCryptoProvider()
# endif
# endif
#endif
TXFMBase* TXFMOutputFileFactory(DOMDocument* doc) {
TXFMOutputFile* sink = new TXFMOutputFile(doc);
if (sink)
sink->setFile(getenv("XSEC_DEBUG_FILE"));
return sink;
}
void XSECPlatformUtils::Initialise(XSECCryptoProvider * p) {
if (++initCount > 1)
return;
if (p != NULL)
g_cryptoProvider = p;
else
#if defined XSEC_DEFAULT_PROVIDER
XSECnew(g_cryptoProvider, XSEC_DEFAULT_PROVIDER);
#else
throw XSECException(XSECException::CryptoProviderError,
"XSECPlatformUtils::Initialise() called with NULL provider, but no default defined");
#endif
// Set up necessary constants
DSIGConstants::create();
XKMSConstants::create();
// Initialise the safeBuffer system
safeBuffer::init();
// Initialise Algorithm Mapper
XSECnew(internalMapper, XSECAlgorithmMapper);
g_algorithmMapper = internalMapper;
// Initialise the XENCCipherImpl class
XENCCipherImpl::Initialise();
// Initialise the DSIGSignature class
DSIGSignature::Initialise();
const char* sink = getenv("XSEC_DEBUG_FILE");
if (sink && *sink)
g_loggingSink = TXFMOutputFileFactory;
};
void XSECPlatformUtils::SetCryptoProvider(XSECCryptoProvider * p) {
if (g_cryptoProvider != NULL)
delete g_cryptoProvider;
g_cryptoProvider = p;
}
void XSECPlatformUtils::SetReferenceLoggingSink(TransformFactory* factory) {
g_loggingSink = factory;
}
TXFMBase* XSECPlatformUtils::GetReferenceLoggingSink(DOMDocument* doc) {
return (g_loggingSink ? g_loggingSink(doc) : NULL);
}
void XSECPlatformUtils::Terminate(void) {
if (--initCount > 0)
return;
// Clean out the algorithm mapper
delete internalMapper;
if (g_cryptoProvider != NULL)
delete g_cryptoProvider;
DSIGConstants::destroy();
XKMSConstants::destroy();
// Destroy anything platform specific
#if defined(_WIN32)
XSECBinHTTPURIInputStream::Cleanup();
#endif
}
void XSECPlatformUtils::registerAlgorithmHandler(
const XMLCh * uri,
const XSECAlgorithmHandler & handler) {
internalMapper->registerHandler(uri, handler);
}
void XSECPlatformUtils::whitelistAlgorithm(const XMLCh* uri) {
internalMapper->whitelistAlgorithm(uri);
}
void XSECPlatformUtils::blacklistAlgorithm(const XMLCh* uri) {
internalMapper->blacklistAlgorithm(uri);
}
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