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//-----------------------------------------------------------------------
// <copyright file="MainWindow.xaml.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OpenIdOfflineProvider {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using DotNetOpenAuth.OpenId.Provider;
using System.Globalization;
using System.Net;
using DotNetOpenAuth.Messaging;
using System.Diagnostics.Contracts;
using System.IO;
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window, IDisposable {
/// <summary>
/// The <see cref="OpenIdProvider"/> instance that processes incoming requests.
/// </summary>
private OpenIdProvider provider = new OpenIdProvider(new StandardProviderApplicationStore());
/// <summary>
/// The HTTP listener that acts as the OpenID Provider socket.
/// </summary>
private HttpHost httpHost;
/// <summary>
/// Initializes a new instance of the <see cref="MainWindow"/> class.
/// </summary>
public MainWindow() {
this.InitializeComponent();
}
/// <summary>
/// Raises the <see cref="E:Closing"/> event.
/// </summary>
/// <param name="e">The <see cref="System.ComponentModel.CancelEventArgs"/> instance containing the event data.</param>
protected override void OnClosing(System.ComponentModel.CancelEventArgs e) {
this.StopProvider();
base.OnClosing(e);
}
#region IDisposable Members
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose() {
this.Dispose(true);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing) {
if (disposing) {
var host = this.httpHost as IDisposable;
if (host != null) {
host.Dispose();
}
this.httpHost = null;
}
}
#endregion
/// <summary>
/// Handles the Click event of the startButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
private void startButton_Click(object sender, RoutedEventArgs e) {
this.StartProvider();
}
private void StartProvider() {
this.httpHost = HttpHost.CreateHost(this.RequestHandler);
this.portTextBox.Text = this.httpHost.Port.ToString(CultureInfo.InvariantCulture);
this.opIdentifierLabel.Content = string.Format("http://localhost:{0}/", this.httpHost.Port);
}
private void RequestHandler(HttpListenerContext context) {
Contract.Requires(context != null);
const string ProviderPath = "/provider";
const string YesIdentity = "/user";
const string NoIdentity = "/no";
if (context.Request.Url.AbsolutePath == ProviderPath) {
HttpRequestInfo requestInfo = new HttpRequestInfo(context.Request);
IRequest providerRequest = this.provider.GetRequest(requestInfo);
if (providerRequest == null) {
App.Logger.Error("A request came in that did not carry an OpenID message.");
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
using (StreamWriter sw = new StreamWriter(context.Response.OutputStream)) {
sw.WriteLine("<html><body>This is an OpenID Provider endpoint.</body></html>");
}
return;
}
if (!providerRequest.IsResponseReady) {
var authRequest = providerRequest as IAuthenticationRequest;
if (authRequest.IsDirectedIdentity) {
throw new NotImplementedException();
}
authRequest.IsAuthenticated = new Uri(authRequest.ClaimedIdentifier).AbsolutePath == YesIdentity;
}
Contract.Assert(providerRequest.IsResponseReady);
this.provider.PrepareResponse(providerRequest).Send(context.Response);
} else if (context.Request.Url.AbsolutePath == YesIdentity || context.Request.Url.AbsolutePath == NoIdentity) {
using (StreamWriter sw = new StreamWriter(context.Response.OutputStream)) {
string providerEndpoint = string.Format("http://localhost:{0}{1}", context.Request.Url.Port, ProviderPath);
string localId = null; // string.Format("http://localhost:{0}/user", context.Request.Url.Port);
string html = GenerateHtmlDiscoveryDocument(providerEndpoint, localId);
sw.WriteLine(html);
}
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.OutputStream.Close();
} else {
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
context.Response.OutputStream.Close();
}
}
private string GenerateHtmlDiscoveryDocument(string providerEndpoint, string localId) {
Contract.Requires(providerEndpoint != null && providerEndpoint.Length > 0);
const string DelegatedHtmlDiscoveryFormat = @"<html><head>
<link rel=""openid.server"" href=""{0}"" />
<link rel=""openid.delegate"" href=""{1}"" />
<link rel=""openid2.provider"" href=""{0}"" />
<link rel=""openid2.local_id"" href=""{1}"" />
</head><body></body></html>";
const string NonDelegatedHtmlDiscoveryFormat = @"<html><head>
<link rel=""openid.server"" href=""{0}"" />
<link rel=""openid2.provider"" href=""{0}"" />
</head><body></body></html>";
return string.Format(
localId != null ? DelegatedHtmlDiscoveryFormat : NonDelegatedHtmlDiscoveryFormat,
providerEndpoint,
localId);
}
private void stopButton_Click(object sender, RoutedEventArgs e) {
this.StopProvider();
this.portTextBox.Text = string.Empty;
}
private void StopProvider() {
if (this.httpHost != null) {
this.httpHost.Dispose();
this.httpHost = null;
}
}
}
}
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