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[英]Ajax request for asp.net mvc controller returning 500 - internal server error
[英]WebClient returning error 500 on GET request MVC 5
WebClient出現問題。 我正在使用API密鑰身份驗證,並且API密鑰確實是合法的。 如果我關閉我的API的身份驗證,它會毫無問題地獲取數據,但是,如果我啟用了WebClient標頭中的“身份驗證”檢查功能,它將返回帶有錯誤/無效的API密鑰的401,但帶有一個有效的API密鑰返回錯誤500。
使用WebClient進行編碼:
public ActionResult Index()
{
using (var client = new WebClient())
{
client.Headers.Clear();
client.Headers.Add("Authorization", AppSettings.ApiKey());
client.Headers.Add("Host", "localhost");
client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
var newsJson = client.DownloadString("http://localhost:59308/Api/ListNews");
var newsJsonDeserialized = JsonConvert.DeserializeObject<List<News>>(newsJson);
ViewData["NewsFeed"] = newsJsonDeserialized.ToList();
}
var dayMessages = new List<string> { "an astonishing", "an amazing", "a beautiful", "a gorgeous", "a loving" };
var randomNumber = new Random().Next(dayMessages.Count);
ViewData["DayOfWeekMsg"] = dayMessages[randomNumber] + " " + DateTime.Now.ToString("dddd");
return View();
}
ApiController:
public ActionResult ListNews()
{
using (var db = new Entities())
{
var apiToken = Request.Headers["Authorization"];
var apiTokens = db.ApiTokens.ToList();
var websiteUrl = Request.Url.Host;
if (apiTokens.SingleOrDefault(i => i.Token == apiToken && i.WebsiteUrl == websiteUrl) == null)
{
return new HttpUnauthorizedResult();
}
var news = db.News;
var newsList = news.ToList();
return Content(JsonConvert.SerializeObject(newsList, Formatting.Indented), "application/json");
}
}
提前致謝!
不知道這是否是相同的問題,但是我收到500並通過設置接受語言標頭(使用UserAgent)進行了修復:
client.Headers.Add(HttpRequestHeader.AcceptLanguage, "en");
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