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<%@ WebHandler Language="C#" Class="OAuth" %>
using System;
using System.Linq;
using System.Threading.Tasks;
using System.Web;
using System.Web.SessionState;
using DotNetOpenAuth.ApplicationBlock;
using DotNetOpenAuth.OAuth;
using DotNetOpenAuth.OAuth.ChannelElements;
using DotNetOpenAuth.OAuth.Messages;
using DotNetOpenAuth.Messaging;
using OAuthServiceProvider.Code;
public class OAuth : HttpAsyncHandlerBase, IRequiresSessionState {
ServiceProvider sp;
public OAuth() {
sp = new ServiceProvider(Constants.SelfDescription, Global.TokenManager, new CustomOAuthMessageFactory(Global.TokenManager));
}
public override bool IsReusable {
get { return true; }
}
protected override async Task ProcessRequestAsync(HttpContext context) {
IProtocolMessage request = await sp.ReadRequestAsync();
RequestScopedTokenMessage requestToken;
UserAuthorizationRequest requestAuth;
AuthorizedTokenRequest requestAccessToken;
if ((requestToken = request as RequestScopedTokenMessage) != null) {
var response = sp.PrepareUnauthorizedTokenMessage(requestToken);
var responseMessage = await sp.Channel.PrepareResponseAsync(response);
await responseMessage.SendAsync(new HttpContextWrapper(context));
} else if ((requestAuth = request as UserAuthorizationRequest) != null) {
Global.PendingOAuthAuthorization = requestAuth;
HttpContext.Current.Response.Redirect("~/Members/Authorize.aspx");
} else if ((requestAccessToken = request as AuthorizedTokenRequest) != null) {
var response = sp.PrepareAccessTokenMessage(requestAccessToken);
var responseMessage = await sp.Channel.PrepareResponseAsync(response);
await responseMessage.SendAsync(new HttpContextWrapper(context));
} else {
throw new InvalidOperationException();
}
}
}
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