/// <summary>
/// Creates an artifact for the LogoutRequest and redirects the user to the IdP.
/// </summary>
/// <param name="destination">The destination of the request.</param>
/// <param name="request">The logout request.</param>
/// <param name="relayState">The query string relay state value to add to the communication</param>
public void RedirectFromLogout(IdentityProviderEndpointElement destination, Saml20LogoutRequest request, string relayState)
{
var config = Saml2Config.GetConfig();
var index = (short)config.ServiceProvider.Endpoints.LogoutEndpoint.Index;
var doc = request.GetXml();
XmlSignatureUtils.SignDocument(doc, request.Request.Id);
ArtifactRedirect(destination, index, doc, relayState);
}
/// <summary>
/// Creates an artifact and redirects the user to the IdP
/// </summary>
/// <param name="destination">The destination of the request.</param>
/// <param name="request">The authentication request.</param>
public void RedirectFromLogin(IdentityProviderEndpointElement destination, Saml20AuthnRequest request)
{
var config = Saml2Config.GetConfig();
var index = (short)config.ServiceProvider.Endpoints.SignOnEndpoint.Index;
var doc = request.GetXml();
XmlSignatureUtils.SignDocument(doc, request.Request.Id);
ArtifactRedirect(destination, index, doc, Context.Request.Params["relayState"]);
}
/// <summary>
/// Initializes a new instance of the <see cref="HttpPostBindingBuilder"/> class.
/// </summary>
/// <param name="endpoint">The IdP endpoint that messages will be sent to.</param>
public HttpPostBindingBuilder(IdentityProviderEndpointElement endpoint)
{
_destinationEndpoint = endpoint;
Action = SamlActionType.SAMLRequest;
RelayState = string.Empty;
}
/// <summary>
/// Creates an artifact for the LogoutRequest and redirects the user to the IdP.
/// </summary>
/// <param name="destination">The destination of the request.</param>
/// <param name="request">The logout request.</param>
public void RedirectFromLogout(IdentityProviderEndpointElement destination, Saml20LogoutRequest request)
{
RedirectFromLogout(destination, request, Context.Request.Params["relayState"]);
}
/// <summary>
/// Handles all artifact creations and redirects.
/// </summary>
/// <param name="destination">The destination.</param>
/// <param name="localEndpointIndex">Index of the local endpoint.</param>
/// <param name="signedSamlMessage">The signed SAML message.</param>
/// <param name="relayState">The query string relay state value to add to the communication</param>
private void ArtifactRedirect(IdentityProviderEndpointElement destination, short localEndpointIndex, XmlDocument signedSamlMessage, string relayState)
{
Logger.DebugFormat(TraceMessages.ArtifactRedirectReceived, signedSamlMessage.OuterXml);
var config = Saml2Config.GetConfig();
var sourceId = config.ServiceProvider.Id;
var sourceIdHash = ArtifactUtil.GenerateSourceIdHash(sourceId);
var messageHandle = ArtifactUtil.GenerateMessageHandle();
var artifact = ArtifactUtil.CreateArtifact(HttpArtifactBindingConstants.ArtifactTypeCode, localEndpointIndex, sourceIdHash, messageHandle);
Context.Cache.Insert(artifact, signedSamlMessage, null, DateTime.Now.AddMinutes(1), Cache.NoSlidingExpiration);
var destinationUrl = destination.Url + "?" + HttpArtifactBindingConstants.ArtifactQueryStringName + "=" + HttpUtility.UrlEncode(artifact);
if (!string.IsNullOrEmpty(relayState))
{
destinationUrl += "&relayState=" + relayState;
}
Logger.DebugFormat(TraceMessages.ArtifactCreated, artifact);
Context.Response.Redirect(destinationUrl);
}
