samltest/encryption/EncryptedAssertionTest.h

   1 /*
   2  *  Copyright 2001-2007 Internet2
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "signature/SAMLSignatureTestBase.h"
  18
  19 #include <fstream>
  20 #include <saml/SAMLConfig.h>
  21 #include <saml/saml2/core/Assertions.h>
  22 #include <saml/saml2/metadata/Metadata.h>
  23 #include <saml/saml2/metadata/MetadataProvider.h>
  24 #include <saml/saml2/metadata/MetadataCredentialContext.h>
  25 #include <saml/saml2/metadata/MetadataCredentialCriteria.h>
  26
  27 using namespace opensaml::saml2md;
  28 using namespace opensaml::saml2;
  29
  30 class EncryptedAssertionTest : public CxxTest::TestSuite, public SAMLSignatureTestBase {
  31     MetadataProvider* m_metadata;
  32 public:
  33     void setUp() {
  34         childElementsFile  = data_path + "signature/SAML2Assertion.xml";
  35         SAMLSignatureTestBase::setUp();
  36
  37         string config = data_path + "binding/ExampleMetadataProvider.xml";
  38         ifstream in(config.c_str());
  39         DOMDocument* doc=XMLToolingConfig::getConfig().getParser().parse(in);
  40         XercesJanitor<DOMDocument> janitor(doc);
  41
  42         auto_ptr_XMLCh path("path");
  43         string s = data_path + "binding/example-metadata.xml";
  44         auto_ptr_XMLCh file(s.c_str());
  45         doc->getDocumentElement()->setAttributeNS(NULL,path.get(),file.get());
  46
  47         m_metadata = opensaml::SAMLConfig::getConfig().MetadataProviderManager.newPlugin(
  48             XML_METADATA_PROVIDER,doc->getDocumentElement()
  49             );
  50         m_metadata->init();
  51     }
  52
  53     void tearDown() {
  54         delete m_metadata;
  55         m_metadata=NULL;
  56         SAMLSignatureTestBase::tearDown();
  57     }
  58
  59     void testEncryptedAssertion() {
  60         auto_ptr_XMLCh issuer("issuer");
  61         auto_ptr_XMLCh issueInstant("1970-01-02T01:01:02.100Z");
  62         auto_ptr_XMLCh id("ident");
  63         auto_ptr_XMLCh method("method");
  64         auto_ptr_XMLCh nameid("John Doe");
  65
  66         Issuer* is=IssuerBuilder::buildIssuer();
  67         is->setName(issuer.get());
  68
  69         NameID* n=NameIDBuilder::buildNameID();
  70         n->setName(nameid.get());
  71         Subject* subject=SubjectBuilder::buildSubject();
  72         subject->setNameID(n);
  73
  74         AuthnStatement* statement=AuthnStatementBuilder::buildAuthnStatement();
  75         statement->setAuthnInstant(issueInstant.get());
  76
  77         AuthnContext* ac=AuthnContextBuilder::buildAuthnContext();
  78         AuthnContextClassRef* acc=AuthnContextClassRefBuilder::buildAuthnContextClassRef();
  79         acc->setReference(method.get());
  80         ac->setAuthnContextClassRef(acc);
  81         statement->setAuthnContext(ac);
  82
  83         auto_ptr<Assertion> assertion(AssertionBuilder::buildAssertion());
  84         assertion->setID(id.get());
  85         assertion->setIssueInstant(issueInstant.get());
  86         assertion->setIssuer(is);
  87         assertion->setSubject(subject);
  88         assertion->getAuthnStatements().push_back(statement);
  89
  90         // Append a Signature.
  91         Signature* sig=SignatureBuilder::buildSignature();
  92         assertion->setSignature(sig);
  93
  94         // Sign while marshalling.
  95         vector<Signature*> sigs(1,sig);
  96         CredentialCriteria cc;
  97         cc.setUsage(CredentialCriteria::SIGNING_CREDENTIAL);
  98         Locker locker(m_resolver);
  99         const Credential* cred = m_resolver->resolve(&cc);
 100         TSM_ASSERT("Retrieved credential was null", cred!=NULL);
 101
 102         DOMElement* rootElement = NULL;
 103         try {
 104             rootElement=assertion->marshall((DOMDocument*)NULL,&sigs,cred);
 105         }
 106         catch (XMLToolingException& e) {
 107             TS_TRACE(e.what());
 108             throw;
 109         }
 110
 111         // Now encrypt this puppy to the SP role in the example metadata.
 112         auto_ptr<EncryptedAssertion> encrypted(EncryptedAssertionBuilder::buildEncryptedAssertion());
 113         Locker mlocker(m_metadata);
 114         const EntityDescriptor* sp = m_metadata->getEntityDescriptor("https://sp.example.org/");
 115         TSM_ASSERT("No metadata for recipient.", sp!=NULL);
 116         const SPSSODescriptor* sprole =  sp->getSPSSODescriptor(samlconstants::SAML20P_NS);
 117         TSM_ASSERT("No SP role for recipient.", sprole!=NULL);
 118         MetadataCredentialCriteria mcc(*sprole);
 119         vector< pair<const MetadataProvider*,MetadataCredentialCriteria*> > recipients(1, make_pair(m_metadata, &mcc));
 120         encrypted->encrypt(*assertion.get(), recipients);
 121
 122         // Roundtrip it.
 123         string buf;
 124         XMLHelper::serialize(encrypted->marshall(), buf);
 125         //TS_TRACE(buf.c_str());
 126         istringstream in(buf);
 127         DOMDocument* doc=XMLToolingConfig::getConfig().getParser().parse(in);
 128         const XMLObjectBuilder* b = XMLObjectBuilder::getBuilder(doc->getDocumentElement());
 129
 130         // Unpack, then decypt with our key.
 131         auto_ptr<EncryptedAssertion> encrypted2(dynamic_cast<EncryptedAssertion*>(b->buildFromDocument(doc)));
 132         auto_ptr<Assertion> assertion2(dynamic_cast<Assertion*>(encrypted2->decrypt(*m_resolver, sp->getEntityID())));
 133         assertEquals("Unmarshalled assertion does not match", expectedChildElementsDOM, assertion2.get(), false);
 134
 135         // And check the signature.
 136         try {
 137             opensaml::SignatureProfileValidator spv;
 138             SignatureValidator sv(cred);
 139             spv.validate(dynamic_cast<Assertion*>(assertion2.get())->getSignature());
 140             sv.validate(dynamic_cast<Assertion*>(assertion2.get())->getSignature());
 141         }
 142         catch (XMLToolingException& e) {
 143             TS_TRACE(e.what());
 144             throw;
 145         }
 146     }
 147
 148 };