相关疑难解决方法(0)

我的ApiKey验证示例代码如下(我使用的是MVC4 web api RC):

public class ApiKeyFilter : ActionFilterAttribute
{
    public override void OnActionExecuting(HttpActionContext context)
    {
        //read api key from query string
        string querystring = context.Request.RequestUri.Query;
        string apikey = HttpUtility.ParseQueryString(querystring).Get("apikey");

        //if no api key supplied, send out validation message
        if (string.IsNullOrWhiteSpace(apikey))
        {                
            var response = context.Request.CreateResponse(HttpStatusCode.Unauthorized, new Error { Message = "You can't use the API without the key." });
            throw new HttpResponseException(response);
        }
        else
        {          
             try
            {
                GetUser(decodedString); //error occurred here
            }
            catch (Exception)
            {
                var response = context.Request.CreateResponse(HttpStatusCode.Unauthorized, …