WindowsLive.aspx.cs

namespace OAuthClient {
	using System;
	using System.Collections.Generic;
	using System.Configuration;
	using System.Linq;
	using System.Net;
	using System.Web;
	using System.Web.UI;
	using System.Web.UI.WebControls;
	using DotNetOpenAuth.ApplicationBlock;
	using DotNetOpenAuth.ApplicationBlock.Facebook;
	using DotNetOpenAuth.Messaging;
	using DotNetOpenAuth.OAuth2;

	public partial class WindowsLive : System.Web.UI.Page {
		private static readonly WindowsLiveClient client = new WindowsLiveClient {
			ClientIdentifier = ConfigurationManager.AppSettings["windowsLiveAppID"],
			ClientCredentialApplicator = ClientCredentialApplicator.PostParameter(ConfigurationManager.AppSettings["WindowsLiveAppSecret"]),
		};

		protected void Page_Load(object sender, EventArgs e) {
			this.RegisterAsyncTask(
				new PageAsyncTask(
					async ct => {
						if (string.Equals("localhost", this.Request.Headers["Host"].Split(':')[0], StringComparison.OrdinalIgnoreCase)) {
							this.localhostDoesNotWorkPanel.Visible = true;
							var builder = new UriBuilder(this.publicLink.NavigateUrl);
							builder.Port = this.Request.Url.Port;
							this.publicLink.NavigateUrl = builder.Uri.AbsoluteUri;
							this.publicLink.Text = builder.Uri.AbsoluteUri;
						} else {
							IAuthorizationState authorization =
								await client.ProcessUserAuthorizationAsync(new HttpRequestWrapper(Request), Response.ClientDisconnectedToken);
							if (authorization == null) {
								// Kick off authorization request
								var request = await client.PrepareRequestUserAuthorizationAsync(scopes: new[] { WindowsLiveClient.Scopes.Basic }); // this scope isn't even required just to log in
								await request.SendAsync(new HttpContextWrapper(this.Context), Response.ClientDisconnectedToken);
								this.Context.Response.End();
							} else {
								var request =
									WebRequest.Create(
										"https://apis.live.net/v5.0/me?access_token=" + Uri.EscapeDataString(authorization.AccessToken));
								using (var response = request.GetResponse()) {
									using (var responseStream = response.GetResponseStream()) {
										var graph = WindowsLiveGraph.Deserialize(responseStream);
										this.nameLabel.Text = HttpUtility.HtmlEncode(graph.Name);
									}
								}
							}
						}
					}));
		}
	}
}