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/**
* Licensed to the University Corporation for Advanced Internet
* Development, Inc. (UCAID) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* UCAID 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.
*/
/**
* RegistrationAuthorityEntityMatcher.cpp
*
* EntityMatcher that matches based on RPI registrationAuthority.
*/
#include "internal.h"
#include "saml2/metadata/EntityMatcher.h"
#include "saml2/metadata/Metadata.h"
#include <boost/lambda/bind.hpp>
#include <boost/lambda/casts.hpp>
#include <boost/lambda/lambda.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
#include <xmltooling/logging.h>
#include <xmltooling/util/XMLHelper.h>
using namespace opensaml::saml2md;
using namespace opensaml::saml2;
using namespace opensaml;
using namespace xmltooling::logging;
using namespace xmltooling;
using namespace boost::lambda;
using namespace boost;
using namespace std;
namespace opensaml {
namespace saml2md {
class SAML_DLLLOCAL RegistrationAuthorityEntityMatcher : public EntityMatcher
{
public:
RegistrationAuthorityEntityMatcher(const DOMElement* e);
~RegistrationAuthorityEntityMatcher() {}
bool matches(const EntityDescriptor& entity) const;
private:
set<xstring> m_authorities;
Category& m_log;
};
EntityMatcher* SAML_DLLLOCAL RegistrationAuthorityEntityMatcherFactory(const DOMElement* const & e, bool)
{
return new RegistrationAuthorityEntityMatcher(e);
}
};
};
RegistrationAuthorityEntityMatcher::RegistrationAuthorityEntityMatcher(const DOMElement* e)
: m_log(Category::getInstance(SAML_LOGCAT ".EntityMatcher.RegistrationAuthority"))
{
// Check for shorthand syntax.
if (e && e->hasAttributeNS(nullptr, RegistrationInfo::REGAUTHORITY_ATTRIB_NAME)) {
m_authorities.insert(e->getAttributeNS(nullptr, RegistrationInfo::REGAUTHORITY_ATTRIB_NAME));
}
const DOMElement* child = XMLHelper::getFirstChildElement(e, RegistrationInfo::REGAUTHORITY_ATTRIB_NAME);
while (child) {
const XMLCh* text = XMLHelper::getTextContent(child);
if (text && *text) {
m_authorities.insert(text);
}
child = XMLHelper::getNextSiblingElement(child, RegistrationInfo::REGAUTHORITY_ATTRIB_NAME);
}
if (m_authorities.empty())
throw XMLToolingException("RegistrationAuthority EntityMatcher requires at least one authority to match.");
}
bool RegistrationAuthorityEntityMatcher::matches(const EntityDescriptor& entity) const
{
bool extFound = false;
const Extensions* exts = entity.getExtensions();
if (exts) {
const vector<XMLObject*>& children = exts->getUnknownXMLObjects();
const XMLObject* xo = find_if(children, ll_dynamic_cast<RegistrationInfo*>(_1) != ((RegistrationInfo*)nullptr));
if (xo) {
extFound = true;
const RegistrationInfo* regInfo = dynamic_cast<const RegistrationInfo*>(xo);
if (regInfo->getRegistrationAuthority() && m_authorities.find(regInfo->getRegistrationAuthority()) != m_authorities.end()) {
return true;
}
}
}
const EntitiesDescriptor* group = dynamic_cast<EntitiesDescriptor*>(entity.getParent());
while (group) {
exts = group->getExtensions();
if (exts) {
const vector<XMLObject*>& children = exts->getUnknownXMLObjects();
const XMLObject* xo = find_if(children, ll_dynamic_cast<RegistrationInfo*>(_1) != ((RegistrationInfo*)nullptr));
if (xo) {
extFound = true;
const RegistrationInfo* regInfo = dynamic_cast<const RegistrationInfo*>(xo);
if (regInfo->getRegistrationAuthority() && m_authorities.find(regInfo->getRegistrationAuthority()) != m_authorities.end()) {
return true;
}
}
}
group = dynamic_cast<EntitiesDescriptor*>(group->getParent());
}
if (!extFound && m_log.isDebugEnabled()) {
auto_ptr_char id (entity.getEntityID());
m_log.debug("no RegistrationAuthority extension found for (%s)", id.get());
}
return false;
}
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