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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Net.Http;
using System.Security.Principal;
using System.ServiceModel;
using System.ServiceModel.Security;
using System.Threading;
using System.Threading.Tasks;
using System.Web.Http.SelfHost;
namespace System.Web.Http
{
public class CustomMessageHandler : DelegatingHandler
{
protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
IPrincipal originalPrincipal = Thread.CurrentPrincipal;
// here you can see the requestor's identity via the request message
// convert the Generic Identity to some IPrincipal object, and set it in the request's property
// later the authorization filter will use the role information to authorize request.
SecurityMessageProperty property = request.GetSecurityMessageProperty();
if (property != null)
{
ServiceSecurityContext context = property.ServiceSecurityContext;
if (context.PrimaryIdentity.Name == "username")
{
Thread.CurrentPrincipal = new GenericPrincipal(context.PrimaryIdentity, new string[] { "Administrators" });
}
}
return base.SendAsync(request, cancellationToken)
.Finally(() => Thread.CurrentPrincipal = originalPrincipal);
}
}
}
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