samltest/encryption/EncryptedAssertionTest.h

   1 /**
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   3  * Development, Inc. (UCAID) under one or more contributor license
   4  * agreements. See the NOTICE file distributed with this work for
   5  * additional information regarding copyright ownership.
   6  *
   7  * UCAID licenses this file to you under the Apache License,
   8  * Version 2.0 (the "License"); you may not use this file except
   9  * in compliance with the License. You may obtain a copy of the
  10  * License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing,
  15  * software distributed under the License is distributed on an
  16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
  17  * either express or implied. See the License for the specific
  18  * language governing permissions and limitations under the License.
  19  */
  20
  21 #include "signature/SAMLSignatureTestBase.h"
  22
  23 #include <fstream>
  24 #include <sstream>
  25 #include <saml/SAMLConfig.h>
  26 #include <saml/saml2/core/Assertions.h>
  27 #include <saml/saml2/metadata/Metadata.h>
  28 #include <saml/saml2/metadata/MetadataProvider.h>
  29 #include <saml/saml2/metadata/MetadataCredentialContext.h>
  30 #include <saml/saml2/metadata/MetadataCredentialCriteria.h>
  31 #include <xmltooling/security/Credential.h>
  32 #include <xsec/dsig/DSIGConstants.hpp>
  33
  34 using namespace opensaml::saml2md;
  35 using namespace opensaml::saml2;
  36
  37 class EncryptedAssertionTest : public CxxTest::TestSuite, public SAMLSignatureTestBase {
  38     MetadataProvider* m_metadata;
  39 public:
  40     void setUp() {
  41         childElementsFile  = data_path + "signature/SAML2Assertion.xml";
  42         SAMLSignatureTestBase::setUp();
  43
  44         string config = data_path + "binding/ExampleMetadataProvider.xml";
  45         ifstream in(config.c_str());
  46         DOMDocument* doc=XMLToolingConfig::getConfig().getParser().parse(in);
  47         XercesJanitor<DOMDocument> janitor(doc);
  48
  49         auto_ptr_XMLCh path("path");
  50         string s = data_path + "binding/example-metadata.xml";
  51         auto_ptr_XMLCh file(s.c_str());
  52         doc->getDocumentElement()->setAttributeNS(nullptr,path.get(),file.get());
  53
  54         m_metadata = opensaml::SAMLConfig::getConfig().MetadataProviderManager.newPlugin(
  55             XML_METADATA_PROVIDER,doc->getDocumentElement()
  56             );
  57         m_metadata->init();
  58     }
  59
  60     void tearDown() {
  61         delete m_metadata;
  62         m_metadata=nullptr;
  63         SAMLSignatureTestBase::tearDown();
  64     }
  65
  66     void testEncryptedAssertion() {
  67         auto_ptr_XMLCh issuer("issuer");
  68         auto_ptr_XMLCh issueInstant("1970-01-02T01:01:02.100Z");
  69         auto_ptr_XMLCh id("ident");
  70         auto_ptr_XMLCh method("method");
  71         auto_ptr_XMLCh nameid("John Doe");
  72
  73         Issuer* is=IssuerBuilder::buildIssuer();
  74         is->setName(issuer.get());
  75
  76         NameID* n=NameIDBuilder::buildNameID();
  77         n->setName(nameid.get());
  78         Subject* subject=SubjectBuilder::buildSubject();
  79         subject->setNameID(n);
  80
  81         AuthnStatement* statement=AuthnStatementBuilder::buildAuthnStatement();
  82         statement->setAuthnInstant(issueInstant.get());
  83
  84         AuthnContext* ac=AuthnContextBuilder::buildAuthnContext();
  85         AuthnContextClassRef* acc=AuthnContextClassRefBuilder::buildAuthnContextClassRef();
  86         acc->setReference(method.get());
  87         ac->setAuthnContextClassRef(acc);
  88         statement->setAuthnContext(ac);
  89
  90         auto_ptr<Assertion> assertion(AssertionBuilder::buildAssertion());
  91         assertion->setID(id.get());
  92         assertion->setIssueInstant(issueInstant.get());
  93         assertion->setIssuer(is);
  94         assertion->setSubject(subject);
  95         assertion->getAuthnStatements().push_back(statement);
  96
  97         // Append a Signature.
  98         Signature* sig=SignatureBuilder::buildSignature();
  99         assertion->setSignature(sig);
 100
 101         // Sign while marshalling.
 102         vector<Signature*> sigs(1,sig);
 103         CredentialCriteria cc;
 104         cc.setUsage(Credential::SIGNING_CREDENTIAL);
 105         Locker locker(m_resolver);
 106         const Credential* cred = m_resolver->resolve(&cc);
 107         TSM_ASSERT("Retrieved credential was null", cred!=nullptr);
 108
 109         DOMElement* rootElement = nullptr;
 110         try {
 111             rootElement=assertion->marshall((DOMDocument*)nullptr,&sigs,cred);
 112         }
 113         catch (XMLToolingException& e) {
 114             TS_TRACE(e.what());
 115             throw;
 116         }
 117
 118         // Now encrypt this puppy to the SP role in the example metadata.
 119         auto_ptr<EncryptedAssertion> encrypted(EncryptedAssertionBuilder::buildEncryptedAssertion());
 120         Locker mlocker(m_metadata);
 121         MetadataProvider::Criteria mc("https://sp.example.org/", &SPSSODescriptor::ELEMENT_QNAME, samlconstants::SAML20P_NS);
 122         pair<const EntityDescriptor*,const RoleDescriptor*> sp = m_metadata->getEntityDescriptor(mc);
 123         TSM_ASSERT("No metadata for recipient.", sp.first!=nullptr);
 124         TSM_ASSERT("No SP role for recipient.", sp.second!=nullptr);
 125         MetadataCredentialCriteria mcc(*sp.second);
 126         vector< pair<const MetadataProvider*,MetadataCredentialCriteria*> > recipients(
 127             1, pair<const MetadataProvider*,MetadataCredentialCriteria*>(m_metadata, &mcc)
 128             );
 129 #ifdef XSEC_OPENSSL_HAVE_GCM
 130         encrypted->encrypt(*assertion.get(), recipients, false, DSIGConstants::s_unicodeStrURIAES256_GCM);
 131 #else
 132         encrypted->encrypt(*assertion.get(), recipients);
 133 #endif
 134
 135         // Roundtrip it.
 136         string buf;
 137         XMLHelper::serialize(encrypted->marshall(), buf);
 138         //TS_TRACE(buf.c_str());
 139         istringstream in(buf);
 140         DOMDocument* doc=XMLToolingConfig::getConfig().getParser().parse(in);
 141         const XMLObjectBuilder* b = XMLObjectBuilder::getBuilder(doc->getDocumentElement());
 142
 143         // Unpack, then decypt with our key.
 144         auto_ptr<EncryptedAssertion> encrypted2(dynamic_cast<EncryptedAssertion*>(b->buildFromDocument(doc)));
 145         auto_ptr<Assertion> assertion2(dynamic_cast<Assertion*>(encrypted2->decrypt(*m_resolver, sp.first->getEntityID())));
 146         assertEquals("Unmarshalled assertion does not match", expectedChildElementsDOM, assertion2.get(), false);
 147
 148         // And check the signature.
 149         try {
 150             opensaml::SignatureProfileValidator spv;
 151             SignatureValidator sv(cred);
 152             spv.validate(dynamic_cast<Assertion*>(assertion2.get())->getSignature());
 153             sv.validate(dynamic_cast<Assertion*>(assertion2.get())->getSignature());
 154         }
 155         catch (XMLToolingException& e) {
 156             TS_TRACE(e.what());
 157             throw;
 158         }
 159     }
 160
 161 };