/// <summary>
/// 检查用户登录状态，并以异步的方式请请求传送给下一个Http Request Handler
/// </summary>
protected override Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
if (request.Method == HttpMethod.Options)
{
return(Task.Run <HttpResponseMessage>(() =>
{
var resp = new HttpResponseMessage();
resp.Content = new StringContent("");
//resp.Content.Headers.Add("Access-Control-Allow-Origin", GetHeaderByKey(request, "Origin"));
resp.Content.Headers.Add("Access-Control-Allow-Origin", "*");
resp.Content.Headers.Add("Access-Control-Allow-Methods", "GET, PUT, POST, DELETE");
resp.Content.Headers.Add("Access-Control-Allow-Headers", "token,Content-Type,X-Requested-With");
return resp;
}));
}
try
{
lock (Locker)
{
// check token except register & login & resetpassword
if (request.RequestUri != null && IsNeededTokenApis(request.RequestUri.ToString()))
{
// 获取request中的token
var token = GetHeaderByKey(request, "token");
ApiWorkContext.Instance().Token = token;
if (string.IsNullOrEmpty(token) || !this.UserTokenService.IsVaild(token))
{
throw new InvalidCastException("Invalid token");
}
else
{
ApiWorkContext.Instance().User = UserTokenService.GetMemberByToken(token);
}
}
}
}
catch (InvalidCastException ex)
{
return(Task.Run <HttpResponseMessage>(() =>
{
return GenerateResponse(request, HttpStatusCode.Unauthorized, "Invalid token", ex.Message);
}));
}
var result = base.SendAsync(request, cancellationToken);
//if (result.Result != null)
//{
// if (result.Result.StatusCode == HttpStatusCode.NotFound)
// {
// return Task.Run<HttpResponseMessage>(() =>
// {
// return GenerateResponse(request, HttpStatusCode.NotFound, "The requested resource is not found", null);
// });
// }
//}
return(result);
}
public BaseController()
{
this.Token = ApiWorkContext.Instance().Token;
this.Member = ApiWorkContext.Instance().User;
}