private CheckSignature ( |
||
key | ||
Результат | bool |
/// <summary> /// Decrypts an assertion we received from "fælles-offentlige brugerstyring". /// </summary> private static void DecryptFOBSAssertion(string file) { string assertionBase64 = File.ReadAllText(file); byte[] assertionBytes = Convert.FromBase64String(assertionBase64); XmlDocument doc = new XmlDocument(); doc.PreserveWhitespace = true; doc.Load(new MemoryStream(assertionBytes)); XmlNodeList encryptedList = doc.GetElementsByTagName(EncryptedAssertion.ELEMENT_NAME, Saml20Constants.ASSERTION); Assert.That(encryptedList.Count == 1); // Do some mock configuration. FederationConfig config = FederationConfig.GetConfig(); config.AllowedAudienceUris.Audiences.Add("https://saml.safewhere.net"); SAML20FederationConfig descr = SAML20FederationConfig.GetConfig(); descr.Endpoints.MetadataLocation = @"Saml20\Protocol\MetadataDocs\FOBS"; // Set it manually. Assert.That(Directory.Exists(descr.Endpoints.MetadataLocation)); X509Certificate2 cert = new X509Certificate2(@"Saml20\Certificates\SafewhereTest_SFS.pfx", "test1234"); Saml20EncryptedAssertion encass = new Saml20EncryptedAssertion((RSA)cert.PrivateKey); encass.LoadXml((XmlElement)encryptedList[0]); encass.Decrypt(); // Retrieve metadata Saml20Assertion assertion = new Saml20Assertion(encass.Assertion.DocumentElement, null, false); IDPEndPoint endp = descr.FindEndPoint(assertion.Issuer); Assert.IsNotNull(endp, "Endpoint not found"); Assert.IsNotNull(endp.metadata, "Metadata not found"); try { assertion.CheckValid(AssertionUtil.GetTrustedSigners(assertion.Issuer)); Assert.Fail("Verification should fail. Token does not include its signing key."); } catch (InvalidOperationException) {} Assert.IsNull(assertion.SigningKey, "Signing key is already present on assertion. Modify test."); IEnumerable <string> validationFailures; Assert.That(assertion.CheckSignature(Saml20SignonHandler.GetTrustedSigners(endp.metadata.GetKeys(KeyTypes.signing), endp, out validationFailures))); Assert.IsNotNull(assertion.SigningKey, "Signing key was not set on assertion instance."); }
/// <summary> /// Decrypts an assertion we received from "fælles-offentlige brugerstyring". /// </summary> private static void DecryptFOBSAssertion(string file) { string assertionBase64 = File.ReadAllText(file); byte[] assertionBytes = Convert.FromBase64String(assertionBase64); XmlDocument doc = new XmlDocument(); doc.PreserveWhitespace = true; doc.Load( new MemoryStream(assertionBytes) ); XmlNodeList encryptedList = doc.GetElementsByTagName(EncryptedAssertion.ELEMENT_NAME, Saml20Constants.ASSERTION); Assert.That(encryptedList.Count == 1); // Do some mock configuration. FederationConfig config = FederationConfig.GetConfig(); config.AllowedAudienceUris.Audiences.Add("https://saml.safewhere.net"); SAML20FederationConfig descr = ConfigurationReader.GetConfig<SAML20FederationConfig>(); descr.Endpoints.metadataLocation = @"Saml20\Protocol\MetadataDocs\FOBS"; // Set it manually. Assert.That(Directory.Exists(descr.Endpoints.metadataLocation)); descr.Endpoints.Refresh(); X509Certificate2 cert = new X509Certificate2(@"Saml20\Certificates\SafewhereTest_SFS.pfx", "test1234"); Saml20EncryptedAssertion encass = new Saml20EncryptedAssertion((RSA) cert.PrivateKey); encass.LoadXml((XmlElement) encryptedList[0]); encass.Decrypt(); // Retrieve metadata Saml20Assertion assertion = new Saml20Assertion(encass.Assertion.DocumentElement, null, false); IDPEndPoint endp = descr.FindEndPoint(assertion.Issuer); Assert.IsNotNull(endp, "Endpoint not found"); Assert.IsNotNull(endp.metadata, "Metadata not found"); try { assertion.CheckValid(AssertionUtil.GetTrustedSigners(assertion.Issuer)); Assert.Fail("Verification should fail. Token does not include its signing key."); } catch(InvalidOperationException) {} Assert.IsNull(assertion.SigningKey, "Signing key is already present on assertion. Modify test."); Assert.That(assertion.CheckSignature(Saml20SignonHandler.GetTrustedSigners(endp.metadata.GetKeys(KeyTypes.signing), endp))); Assert.IsNotNull(assertion.SigningKey, "Signing key was not set on assertion instance."); }
/// <summary> /// Performs the attribute query against the specified IdP endpoint and adds the resulting attributes to Saml20Identity.Current. /// </summary> /// <param name="context">The http context.</param> /// <param name="endPoint">The IdP to perform the query against.</param> /// <param name="nameIdFormat">The nameid format.</param> public void PerformQuery(HttpContext context, IDPEndPoint endPoint, string nameIdFormat) { Trace.TraceMethodCalled(GetType(), "PerformQuery()"); HttpSOAPBindingBuilder builder = new HttpSOAPBindingBuilder(context); NameID name = new NameID(); name.Value = Saml20Identity.Current.Name; name.Format = nameIdFormat; _attrQuery.Subject.Items = new object[] { name }; _attrQuery.SamlAttribute = _attributes.ToArray(); XmlDocument query = new XmlDocument(); query.XmlResolver = null; query.LoadXml(Serialization.SerializeToXmlString(_attrQuery)); var signingCertificate = FederationConfig.GetConfig().SigningCertificate.GetCertificate(); var shaHashingAlgorithm = SignatureProviderFactory.ValidateShaHashingAlgorithm(endPoint.ShaHashingAlgorithm); var signatureProvider = SignatureProviderFactory.CreateFromShaHashingAlgorithmName(shaHashingAlgorithm); signatureProvider.SignAssertion(query, ID, signingCertificate); if (query.FirstChild is XmlDeclaration) { query.RemoveChild(query.FirstChild); } Stream s; if (Trace.ShouldTrace(TraceEventType.Information)) { Trace.TraceData(TraceEventType.Information, string.Format(Tracing.SendAttrQuery, endPoint.metadata.GetAttributeQueryEndpointLocation(), query.OuterXml)); } try { s = builder.GetResponse(endPoint.metadata.GetAttributeQueryEndpointLocation(), query.OuterXml, endPoint.AttributeQuery); } catch (Exception e) { Trace.TraceData(TraceEventType.Error, e.ToString()); throw; } HttpSOAPBindingParser parser = new HttpSOAPBindingParser(s); Status status = parser.GetStatus(); if (status.StatusCode.Value != Saml20Constants.StatusCodes.Success) { Trace.TraceData(TraceEventType.Error, string.Format(Tracing.AttrQueryStatusError, Serialization.SerializeToXmlString(status))); throw new Saml20Exception(status.StatusMessage); } bool isEncrypted; XmlElement xmlAssertion = Saml20SignonHandler.GetAssertion(parser.SamlMessage, out isEncrypted); if (isEncrypted) { Saml20EncryptedAssertion ass = new Saml20EncryptedAssertion( (RSA)FederationConfig.GetConfig().SigningCertificate.GetCertificate().PrivateKey); ass.LoadXml(xmlAssertion); ass.Decrypt(); xmlAssertion = ass.Assertion.DocumentElement; } Saml20Assertion assertion = new Saml20Assertion(xmlAssertion, null, AssertionProfile.Core, endPoint.QuirksMode); assertion.Validate(DateTime.UtcNow); if (Trace.ShouldTrace(TraceEventType.Information)) { Trace.TraceData(TraceEventType.Information, string.Format(Tracing.AttrQueryAssertion, xmlAssertion == null ? string.Empty : xmlAssertion.OuterXml)); } IEnumerable <string> validationFailures; if (!assertion.CheckSignature(Saml20SignonHandler.GetTrustedSigners(endPoint.metadata.Keys, endPoint, out validationFailures))) { Trace.TraceData(TraceEventType.Error, Resources.SignatureInvalid); throw new Saml20Exception(Resources.SignatureInvalid); } foreach (SamlAttribute attr in assertion.Attributes) { Saml20Identity.Current.AddAttributeFromQuery(attr.Name, attr); } }
/// <summary> /// Performs the attribute query against the specified IdP endpoint and adds the resulting attributes to Saml20Identity.Current. /// </summary> /// <param name="context">The http context.</param> /// <param name="endPoint">The IdP to perform the query against.</param> /// <param name="nameIdFormat">The nameid format.</param> public void PerformQuery(HttpContext context, IDPEndPoint endPoint, string nameIdFormat) { Trace.TraceMethodCalled(GetType(), "PerformQuery()"); HttpSOAPBindingBuilder builder = new HttpSOAPBindingBuilder(context); NameID name = new NameID(); name.Value = Saml20Identity.Current.Name; name.Format = nameIdFormat; _attrQuery.Subject.Items = new object[] { name }; _attrQuery.SamlAttribute = _attributes.ToArray(); XmlDocument query = new XmlDocument(); query.LoadXml(Serialization.SerializeToXmlString(_attrQuery)); XmlSignatureUtils.SignDocument(query, ID); if(query.FirstChild is XmlDeclaration) query.RemoveChild(query.FirstChild); Stream s; if (Trace.ShouldTrace(TraceEventType.Information)) Trace.TraceData(TraceEventType.Information, string.Format(Tracing.SendAttrQuery, endPoint.metadata.GetAttributeQueryEndpointLocation(), query.OuterXml)); try { s = builder.GetResponse(endPoint.metadata.GetAttributeQueryEndpointLocation(), query.OuterXml, endPoint.AttributeQuery); }catch(Exception e) { Trace.TraceData(TraceEventType.Error, e.ToString()); throw; } HttpSOAPBindingParser parser = new HttpSOAPBindingParser(s); Status status = parser.GetStatus(); if (status.StatusCode.Value != Saml20Constants.StatusCodes.Success) { Trace.TraceData(TraceEventType.Error, string.Format(Tracing.AttrQueryStatusError, Serialization.SerializeToXmlString(status))); throw new Saml20Exception(status.StatusMessage); } bool isEncrypted; XmlElement xmlAssertion = Saml20SignonHandler.GetAssertion(parser.SamlMessage, out isEncrypted); if (isEncrypted) { Saml20EncryptedAssertion ass = new Saml20EncryptedAssertion( (RSA) FederationConfig.GetConfig().SigningCertificate.GetCertificate().PrivateKey); ass.LoadXml(xmlAssertion); ass.Decrypt(); xmlAssertion = ass.Assertion.DocumentElement; } Saml20Assertion assertion = new Saml20Assertion(xmlAssertion, null, AssertionProfile.Core, endPoint.QuirksMode); if(Trace.ShouldTrace(TraceEventType.Information)) { Trace.TraceData(TraceEventType.Information, string.Format(Tracing.AttrQueryAssertion, xmlAssertion == null ? string.Empty : xmlAssertion.OuterXml)); } if(!assertion.CheckSignature(Saml20SignonHandler.GetTrustedSigners(endPoint.metadata.Keys, endPoint))){ Trace.TraceData(TraceEventType.Error, Resources.SignatureInvalid); throw new Saml20Exception(Resources.SignatureInvalid); } foreach (SamlAttribute attr in assertion.Attributes) { Saml20Identity.Current.AddAttributeFromQuery(attr.Name, attr); } }