/
TokenAuthenticationFilter.cs
57 lines (51 loc) · 1.8 KB
/
TokenAuthenticationFilter.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Web.Http.Controllers;
using System.Web.Http.Filters;
namespace SethWebster.WebApi.TokenAuthentication
{
public class TokenAuthenticationFilter : IAuthorizationFilter
{
ITokenAuthenticator _authenticator;
public TokenAuthenticationFilter(ITokenAuthenticator authenticator)
{
_authenticator = authenticator;
}
public Task<HttpResponseMessage> ExecuteAuthorizationFilterAsync(HttpActionContext actionContext, CancellationToken cancellationToken, Func<Task<HttpResponseMessage>> continuation)
{
try
{
var result = new TokenAuthenticator().Authenticate(actionContext, _authenticator);
}
catch (Exception e)
{
TaskCompletionSource<HttpResponseMessage> tcs = new TaskCompletionSource<HttpResponseMessage>();
tcs.SetException(e);
return tcs.Task;
}
if (actionContext.Response != null)
{
TaskCompletionSource<HttpResponseMessage> tcs = new TaskCompletionSource<HttpResponseMessage>();
tcs.SetResult(actionContext.Response);
return tcs.Task;
}
else
{
return continuation().ContinueWith<HttpResponseMessage>((tsk) =>
{
HttpResponseMessage response = tsk.Result;
return response;
}, TaskContinuationOptions.OnlyOnRanToCompletion);
}
}
public bool AllowMultiple
{
get { throw new NotImplementedException(); }
}
}
}