/// <summary>
/// Generates OpenID Providers that can authenticate using directed identity.
/// </summary>
/// <param name="xrds">The XrdsDocument instance to use in this process.</param>
/// <param name="opIdentifier">The OP Identifier entered (and resolved) by the user. Essentially the user-supplied identifier.</param>
/// <returns>A sequence of the providers that can offer directed identity services.</returns>
private static IEnumerable <IdentifierDiscoveryResult> GenerateOPIdentifierServiceEndpoints(this IEnumerable <XrdElement> xrds, Identifier opIdentifier)
{
Requires.NotNull(xrds, "xrds");
Requires.NotNull(opIdentifier, "opIdentifier");
return(from service in xrds.FindOPIdentifierServices()
from uri in service.UriElements
let protocol = Protocol.FindBestVersion(p => p.OPIdentifierServiceTypeURI, service.TypeElementUris)
let providerDescription = new ProviderEndpointDescription(uri.Uri, service.TypeElementUris)
select IdentifierDiscoveryResult.CreateForProviderIdentifier(opIdentifier, providerDescription, service.Priority, uri.Priority));
}
/// <summary>
/// Generates OpenID Providers that can authenticate using directed identity.
/// </summary>
/// <param name="xrds">The XrdsDocument instance to use in this process.</param>
/// <param name="opIdentifier">The OP Identifier entered (and resolved) by the user. Essentially the user-supplied identifier.</param>
/// <returns>A sequence of the providers that can offer directed identity services.</returns>
private static IEnumerable <IdentifierDiscoveryResult> GenerateOPIdentifierServiceEndpoints(this IEnumerable <XrdElement> xrds, Identifier opIdentifier)
{
Contract.Requires <ArgumentNullException>(xrds != null);
Contract.Requires <ArgumentNullException>(opIdentifier != null);
Contract.Ensures(Contract.Result <IEnumerable <IdentifierDiscoveryResult> >() != null);
return(from service in xrds.FindOPIdentifierServices()
from uri in service.UriElements
let protocol = Protocol.FindBestVersion(p => p.OPIdentifierServiceTypeURI, service.TypeElementUris)
let providerDescription = new ProviderEndpointDescription(uri.Uri, service.TypeElementUris)
select IdentifierDiscoveryResult.CreateForProviderIdentifier(opIdentifier, providerDescription, service.Priority, uri.Priority));
}
