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//-----------------------------------------------------------------------
// <copyright file="Util.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace OpenIdProviderWebForms.Code {
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net;
using System.Text;
using System.Web;
using DotNetOpenAuth.OpenId;
using DotNetOpenAuth.OpenId.Provider;
public class Util {
public static string ExtractUserName(Uri url) {
return url.Segments[url.Segments.Length - 1];
}
public static string ExtractUserName(Identifier identifier) {
return ExtractUserName(new Uri(identifier.ToString()));
}
public static Identifier BuildIdentityUrl() {
string username = HttpContext.Current.User.Identity.Name;
// be sure to normalize case the way the user's identity page does.
username = username.Substring(0, 1).ToUpperInvariant() + username.Substring(1).ToLowerInvariant();
return new Uri(HttpContext.Current.Request.Url, HttpContext.Current.Response.ApplyAppPathModifier("~/user/" + username));
}
internal static void ProcessAuthenticationChallenge(IAuthenticationRequest idrequest) {
if (idrequest.Immediate) {
if (idrequest.IsDirectedIdentity) {
if (HttpContext.Current.User.Identity.IsAuthenticated) {
idrequest.LocalIdentifier = Util.BuildIdentityUrl();
idrequest.IsAuthenticated = true;
} else {
idrequest.IsAuthenticated = false;
}
} else {
string userOwningOpenIdUrl = Util.ExtractUserName(idrequest.LocalIdentifier);
// NOTE: in a production provider site, you may want to only
// respond affirmatively if the user has already authorized this consumer
// to know the answer.
idrequest.IsAuthenticated = userOwningOpenIdUrl == HttpContext.Current.User.Identity.Name;
}
} else {
HttpContext.Current.Response.Redirect("~/decide.aspx", true);
}
}
}
}
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