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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.
*/
/**
* RequireValidUntilMetadataFilter.cpp
*
* MetadataFilter that enforces expiration requirements.
*/
#include "internal.h"
#include "saml2/metadata/Metadata.h"
#include "saml2/metadata/MetadataFilter.h"
#include <xmltooling/logging.h>
#include <xmltooling/util/NDC.h>
using namespace opensaml::saml2md;
using namespace xmltooling::logging;
using namespace xmltooling;
using namespace std;
namespace opensaml {
namespace saml2md {
class SAML_DLLLOCAL RequireValidUntilMetadataFilter : public MetadataFilter
{
public:
RequireValidUntilMetadataFilter(const DOMElement* e);
~RequireValidUntilMetadataFilter() {}
const char* getId() const { return REQUIREVALIDUNTIL_METADATA_FILTER; }
void doFilter(const MetadataFilterContext* ctx, XMLObject& xmlObject) const;
private:
time_t m_maxValidityInterval;
};
MetadataFilter* SAML_DLLLOCAL RequireValidUntilMetadataFilterFactory(const DOMElement* const & e, bool)
{
return new RequireValidUntilMetadataFilter(e);
}
};
};
static const XMLCh maxValidityInterval[] = UNICODE_LITERAL_19(m,a,x,V,a,l,i,d,i,t,y,I,n,t,e,r,v,a,l);
RequireValidUntilMetadataFilter::RequireValidUntilMetadataFilter(const DOMElement* e)
: m_maxValidityInterval(XMLHelper::getAttrInt(e, 60 * 60 * 24 * 7, maxValidityInterval))
{
}
void RequireValidUntilMetadataFilter::doFilter(const MetadataFilterContext*, XMLObject& xmlObject) const
{
const TimeBoundSAMLObject* tbo = dynamic_cast<const TimeBoundSAMLObject*>(&xmlObject);
if (!tbo)
throw MetadataFilterException("Metadata root element was invalid.");
if (!tbo->getValidUntil())
throw MetadataFilterException("Metadata did not include a validUntil attribute.");
if (tbo->getValidUntilEpoch() - time(nullptr) > m_maxValidityInterval)
throw MetadataFilterException("Metadata validity interval is larger than permitted.");
}
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