/// <summary>
/// Processes a successful SAML response and redirect to the requested URL.
/// </summary>
/// <param name="page">The page object.</param>
/// <param name="samlResponse">The SAML response object.</param>
/// <param name="relayState">The relay state.</param>
public static void SamlSuccessRedirect(Page page, ComponentPro.Saml2.Response samlResponse, string relayState)
{
// Get the previously loaded certificate.
X509Certificate2 x509Certificate = (X509Certificate2)page.Application[Global.SpCertKey];
Assertion samlAssertion;
// Check assertions.
if (samlResponse.GetAssertions().Count > 0)
{
// Extract the first assertion.
samlAssertion = samlResponse.GetAssertions()[0];
}
else if (samlResponse.GetEncryptedAssertions().Count > 0)
{
// Extract the first assertion.
samlAssertion = samlResponse.GetEncryptedAssertions()[0].Decrypt(x509Certificate.PrivateKey, null);
}
else
{
throw new ApplicationException("No assertions in response");
}
string userName;
// Get the subject name identifier.
if (samlAssertion.Subject.NameId != null)
{
userName = samlAssertion.Subject.NameId.NameIdentifier;
}
else if (samlAssertion.Subject.EncryptedId != null)
{
NameId nameId = samlAssertion.Subject.EncryptedId.Decrypt(x509Certificate.PrivateKey, null);
userName = nameId.NameIdentifier;
}
else
{
throw new ApplicationException("No name in subject");
}
// Get the originally requested resource URL from the relay state.
string resourceUrl = (string)SamlSettings.CacheProvider.Remove(relayState);
if (resourceUrl == null)
{
throw new ApplicationException("Invalid relay state");
}
// Create a login context for the asserted identity.
FormsAuthentication.SetAuthCookie(userName, false);
// Redirect to the originally requested resource URL.
page.Response.Redirect(resourceUrl, false);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
#region Receive SAML Response
// Create a SAML response from the HTTP request.
ComponentPro.Saml2.Response samlResponse = ComponentPro.Saml2.Response.Create(Request);
// Is it signed?
if (samlResponse.IsSigned())
{
// Loaded the previously loaded certificate.
X509Certificate2 x509Certificate = (X509Certificate2)Application[Global.CertKeyName];
// Validate the SAML response with the certificate.
if (!samlResponse.Validate(x509Certificate))
{
throw new ApplicationException("SAML response signature is not valid.");
}
}
#endregion
#region Process the response
// Success?
if (!samlResponse.IsSuccess())
{
throw new ApplicationException("SAML response is not success");
}
Assertion samlAssertion;
// Define ENCRYPTEDSAML preprocessor flag if you wish to decrypt the SAML response.
#if ENCRYPTEDSAML
if (samlResponse.GetEncryptedAssertions().Count > 0)
{
EncryptedAssertion encryptedAssertion = samlResponse.GetEncryptedAssertions()[0];
// Load the private key.
// Consider caching the loaded key in production environment for better performance.
X509Certificate2 decryptionKey = new X509Certificate2(Path.Combine(HttpRuntime.AppDomainAppPath, "EncryptionKey.pfx"), "password");
// Decrypt the encrypted assertion.
samlAssertion = encryptedAssertion.Decrypt(decryptionKey.PrivateKey, null);
}
else
{
throw new ApplicationException("No encrypted assertions found in the SAML response");
}
#else
// Get the asserted identity.
if (samlResponse.GetAssertions().Count > 0)
{
samlAssertion = samlResponse.GetAssertions()[0];
}
else
{
throw new ApplicationException("No assertions found in the SAML response");
}
#endif
// Get the subject name identifier.
string userName;
if (samlAssertion.Subject.NameId != null)
{
userName = samlAssertion.Subject.NameId.NameIdentifier;
}
else
{
throw new ApplicationException("Name identifier not found in subject");
}
#region Extract Custom Attributes
// If you need to add custom attributes, uncomment the following code
//if (samlAssertion.AttributeStatements.Count > 0)
//{
// foreach (AttributeStatement attributeStatement in samlAssertion.AttributeStatements)
// {
// // If you need to decrypt encrypted attributes, refer to this topic: http://www.samlcomponent.net/encrypting-and-decrypting-saml-response-xml
// foreach (ComponentPro.Saml2.Attribute attribute in attributeStatement.Attributes)
// {
// // Process your custom attribute here.
// // ...
// }
// }
//}
#endregion
// Set authentication cookie.
FormsAuthentication.SetAuthCookie(userName, false);
// Redirect to the requested URL.
Response.Redirect(samlResponse.RelayState, false);
#endregion
}
catch (Exception exception)
{
Trace.Write("ServiceProvider", "An Error occurred", exception);
}
}
/// <summary>
/// Processes a successful SAML response and redirect to the requested URL.
/// </summary>
/// <param name="page">The page object.</param>
/// <param name="samlResponse">The SAML response object.</param>
/// <param name="relayState">The relay state.</param>
public static void SamlSuccessRedirect(Page page, ComponentPro.Saml2.Response samlResponse, string relayState)
{
// Get the previously loaded certificate.
X509Certificate2 x509Certificate = (X509Certificate2)page.Application[Global.SpCertKey];
Assertion samlAssertion;
// Check assertions.
if (samlResponse.GetAssertions().Count > 0)
{
// Extract the first assertion.
samlAssertion = samlResponse.GetAssertions()[0];
}
else if (samlResponse.GetEncryptedAssertions().Count > 0)
{
// Extract the first assertion.
samlAssertion = samlResponse.GetEncryptedAssertions()[0].Decrypt(x509Certificate.PrivateKey, null);
}
else
{
throw new ApplicationException("No assertions in response");
}
string userName;
// Get the subject name identifier.
if (samlAssertion.Subject.NameId != null)
{
//userName = samlAssertion.Subject.NameId.NameIdentifier;
userName = samlAssertion.GetAttributeValueByFriendlyName("eduPersonPrincipalName");
System.Collections.Generic.Dictionary<string, string> dict = new System.Collections.Generic.Dictionary<string, string>();
foreach (ComponentPro.Saml2.Attribute attribute in samlAssertion.AttributeStatements[0].Attributes)
{
dict.Add(attribute.FriendlyName, attribute.Values[0].ToString());
System.Diagnostics.Trace.WriteLine(attribute.FriendlyName + ":" + attribute.Values[0].ToString());
}
HttpContext.Current.Session.Add("samlAttributes", dict);
}
else if (samlAssertion.Subject.EncryptedId != null)
{
NameId nameId = samlAssertion.Subject.EncryptedId.Decrypt(x509Certificate.PrivateKey, null);
userName = nameId.NameIdentifier;
}
else
{
throw new ApplicationException("No name in subject");
}
try
{
string aaURL = "https://idp.testshib.org:8443/idp/profile/SAML2/SOAP/AttributeQuery";
//Testing subject
NameId subje = new NameId(userName,null,null,SamlNameIdentifierFormat.Unspecified,aaURL);
//Testing subject
Subject subject = new Subject(new NameId(userName));
SubjectConfirmation subjectConfirmation = new SubjectConfirmation(SamlSubjectConfirmationMethod.Bearer);
SubjectConfirmationData subjectConfirmationData = new SubjectConfirmationData();
subjectConfirmationData.Recipient = aaURL;
subjectConfirmation.SubjectConfirmationData = subjectConfirmationData;
subject.SubjectConfirmations.Add(subjectConfirmation);
AttributeQuery attributeQuery = new AttributeQuery();
//attributeQuery.Subject = subject;
attributeQuery.Destination = aaURL;
attributeQuery.Issuer = new Issuer(Global.entityId);
attributeQuery.Attributes.Add(new ComponentPro.Saml2.Attribute() { FriendlyName = "givenName" });
attributeQuery.Subject = new Subject(samlAssertion.Subject.NameId);
attributeQuery.Sign(x509Certificate);
System.Diagnostics.Trace.WriteLine("Trying to get attributes from AA");
System.Diagnostics.Trace.WriteLine("AA query " + attributeQuery.GetXml().OuterXml);
System.Diagnostics.Trace.WriteLine("AA Subject " + attributeQuery.Subject.ToString());
ArtifactResponse artifactResponse = ArtifactResponse.SendSamlMessageReceiveAftifactResponse(aaURL, attributeQuery);
Response attrResponse;
attrResponse = new ComponentPro.Saml2.Response(artifactResponse.Message);
System.Diagnostics.Trace.WriteLine("AA reponse " + attrResponse.GetXml().OuterXml);
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine("Execption: " + e.ToString());
//throw;
}
// Get the originally requested resource URL from the relay state.
string resourceUrl = (string)SamlSettings.CacheProvider.Remove(relayState);
if (resourceUrl == null)
{
throw new ApplicationException("Invalid relay state");
}
// Create a login context for the asserted identity.
FormsAuthentication.SetAuthCookie(userName, false);
// Redirect to the originally requested resource URL.
page.Response.Redirect(resourceUrl, false);
}