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//-----------------------------------------------------------------------
// <copyright file="OAuthTokenEndpoint.ashx.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace WebFormsRelyingParty {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Web;
using System.Web.SessionState;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OAuth2;
using RelyingPartyLogic;
using WebFormsRelyingParty.Code;
/// <summary>
/// An OAuth 2.0 token endpoint.
/// </summary>
public class OAuthTokenEndpoint : IHttpAsyncHandler, IRequiresSessionState {
/// <summary>
/// Initializes a new instance of the <see cref="OAuthTokenEndpoint"/> class.
/// </summary>
public OAuthTokenEndpoint() {
}
/// <summary>
/// Gets a value indicating whether another request can use the <see cref="T:System.Web.IHttpHandler"/> instance.
/// </summary>
/// <returns>
/// true if the <see cref="T:System.Web.IHttpHandler"/> instance is reusable; otherwise, false.
/// </returns>
public bool IsReusable {
get { return true; }
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"/> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"/> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
public void ProcessRequest(HttpContext context) {
this.ProcessRequestAsync(context).GetAwaiter().GetResult();
}
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData) {
return this.ProcessRequestAsync(context).ToApm(cb, extraData);
}
public void EndProcessRequest(IAsyncResult result) {
((Task)result).Wait(); // rethrows exceptions
}
private async Task ProcessRequestAsync(HttpContext context) {
var serviceProvider = OAuthServiceProvider.AuthorizationServer;
var response = await serviceProvider.HandleTokenRequestAsync(new HttpRequestWrapper(context.Request), context.Response.ClientDisconnectedToken);
await response.SendAsync(new HttpResponseWrapper(context.Response), context.Response.ClientDisconnectedToken);
}
}
}
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