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/*
* Copyright 2001-2009 Internet2
*
* Licensed 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.
*/
#include "signature/SAMLSignatureTestBase.h"
#include <fstream>
#include <sstream>
#include <saml/SAMLConfig.h>
#include <saml/saml2/core/Assertions.h>
#include <saml/saml2/metadata/Metadata.h>
#include <saml/saml2/metadata/MetadataProvider.h>
#include <saml/saml2/metadata/MetadataCredentialContext.h>
#include <saml/saml2/metadata/MetadataCredentialCriteria.h>
#include <xmltooling/security/Credential.h>
using namespace opensaml::saml2md;
using namespace opensaml::saml2;
class EncryptedAssertionTest : public CxxTest::TestSuite, public SAMLSignatureTestBase {
MetadataProvider* m_metadata;
public:
void setUp() {
childElementsFile = data_path + "signature/SAML2Assertion.xml";
SAMLSignatureTestBase::setUp();
string config = data_path + "binding/ExampleMetadataProvider.xml";
ifstream in(config.c_str());
DOMDocument* doc=XMLToolingConfig::getConfig().getParser().parse(in);
XercesJanitor<DOMDocument> janitor(doc);
auto_ptr_XMLCh path("path");
string s = data_path + "binding/example-metadata.xml";
auto_ptr_XMLCh file(s.c_str());
doc->getDocumentElement()->setAttributeNS(NULL,path.get(),file.get());
m_metadata = opensaml::SAMLConfig::getConfig().MetadataProviderManager.newPlugin(
XML_METADATA_PROVIDER,doc->getDocumentElement()
);
m_metadata->init();
}
void tearDown() {
delete m_metadata;
m_metadata=NULL;
SAMLSignatureTestBase::tearDown();
}
void testEncryptedAssertion() {
auto_ptr_XMLCh issuer("issuer");
auto_ptr_XMLCh issueInstant("1970-01-02T01:01:02.100Z");
auto_ptr_XMLCh id("ident");
auto_ptr_XMLCh method("method");
auto_ptr_XMLCh nameid("John Doe");
Issuer* is=IssuerBuilder::buildIssuer();
is->setName(issuer.get());
NameID* n=NameIDBuilder::buildNameID();
n->setName(nameid.get());
Subject* subject=SubjectBuilder::buildSubject();
subject->setNameID(n);
AuthnStatement* statement=AuthnStatementBuilder::buildAuthnStatement();
statement->setAuthnInstant(issueInstant.get());
AuthnContext* ac=AuthnContextBuilder::buildAuthnContext();
AuthnContextClassRef* acc=AuthnContextClassRefBuilder::buildAuthnContextClassRef();
acc->setReference(method.get());
ac->setAuthnContextClassRef(acc);
statement->setAuthnContext(ac);
auto_ptr<Assertion> assertion(AssertionBuilder::buildAssertion());
assertion->setID(id.get());
assertion->setIssueInstant(issueInstant.get());
assertion->setIssuer(is);
assertion->setSubject(subject);
assertion->getAuthnStatements().push_back(statement);
// Append a Signature.
Signature* sig=SignatureBuilder::buildSignature();
assertion->setSignature(sig);
// Sign while marshalling.
vector<Signature*> sigs(1,sig);
CredentialCriteria cc;
cc.setUsage(Credential::SIGNING_CREDENTIAL);
Locker locker(m_resolver);
const Credential* cred = m_resolver->resolve(&cc);
TSM_ASSERT("Retrieved credential was null", cred!=NULL);
DOMElement* rootElement = NULL;
try {
rootElement=assertion->marshall((DOMDocument*)NULL,&sigs,cred);
}
catch (XMLToolingException& e) {
TS_TRACE(e.what());
throw;
}
// Now encrypt this puppy to the SP role in the example metadata.
auto_ptr<EncryptedAssertion> encrypted(EncryptedAssertionBuilder::buildEncryptedAssertion());
Locker mlocker(m_metadata);
MetadataProvider::Criteria mc("https://sp.example.org/", &SPSSODescriptor::ELEMENT_QNAME, samlconstants::SAML20P_NS);
pair<const EntityDescriptor*,const RoleDescriptor*> sp = m_metadata->getEntityDescriptor(mc);
TSM_ASSERT("No metadata for recipient.", sp.first!=NULL);
TSM_ASSERT("No SP role for recipient.", sp.second!=NULL);
MetadataCredentialCriteria mcc(*sp.second);
vector< pair<const MetadataProvider*,MetadataCredentialCriteria*> > recipients(
1, pair<const MetadataProvider*,MetadataCredentialCriteria*>(m_metadata, &mcc)
);
encrypted->encrypt(*assertion.get(), recipients);
// Roundtrip it.
string buf;
XMLHelper::serialize(encrypted->marshall(), buf);
//TS_TRACE(buf.c_str());
istringstream in(buf);
DOMDocument* doc=XMLToolingConfig::getConfig().getParser().parse(in);
const XMLObjectBuilder* b = XMLObjectBuilder::getBuilder(doc->getDocumentElement());
// Unpack, then decypt with our key.
auto_ptr<EncryptedAssertion> encrypted2(dynamic_cast<EncryptedAssertion*>(b->buildFromDocument(doc)));
auto_ptr<Assertion> assertion2(dynamic_cast<Assertion*>(encrypted2->decrypt(*m_resolver, sp.first->getEntityID())));
assertEquals("Unmarshalled assertion does not match", expectedChildElementsDOM, assertion2.get(), false);
// And check the signature.
try {
opensaml::SignatureProfileValidator spv;
SignatureValidator sv(cred);
spv.validate(dynamic_cast<Assertion*>(assertion2.get())->getSignature());
sv.validate(dynamic_cast<Assertion*>(assertion2.get())->getSignature());
}
catch (XMLToolingException& e) {
TS_TRACE(e.what());
throw;
}
}
};
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