asp.net webapi 自定義身份驗證
阿新 • • 發佈:2018-10-08
auth 服務端 ati end 驗證 rri span acc amp
/// <summary> /// 驗證 /// </summary> /// Account API賬號 /// TimeStamp 請求時間 /// Sign 所有請求參數 加密 public class AuthFilterOutside : AuthorizeAttribute { //重寫基類的驗證方式,加入我們自定義的Ticket驗證 public override void OnAuthorization(System.Web.Http.Controllers.HttpActionContext actionContext) { //url獲取token varcontent = actionContext.Request.Properties["MS_HttpContext"] as HttpContextBase; string account = content.Request.QueryString["Account"]; string sign = content.Request.QueryString["Sign"]; int timeStamp = 0; int.TryParse(content.Request.QueryString["TimeStamp"], out timeStamp); ApiInfo apiInfo= DB.GetApiInfo(account); int nowTimeStamp = Convert.ToInt32(GenerateTimeStamp()); // 無效請求 if (apiInfo == null || nowTimeStamp - timeStamp > 15) { HandleUnauthorizedRequest(actionContext); return; } SortedDictionary<string, string> dic = new SortedDictionary<string, string>(); foreach (string key in content.Request.QueryString.AllKeys) { if (key != "sign") { dic.Add(key, content.Request.QueryString[key]); } } string makeSign = GetMakeSign(dic, apiInfo.Token); // 簽名不正確 if (sign != makeSign) { HandleUnauthorizedRequest(actionContext); return; } } protected override void HandleUnauthorizedRequest(HttpActionContext filterContext) { base.HandleUnauthorizedRequest(filterContext); var response = filterContext.Response = filterContext.Response ?? new HttpResponseMessage(); response.StatusCode = HttpStatusCode.Forbidden; string str = "{\"success\":\"false\",\"message\":\"服務端拒絕訪問:您沒有權限!\"}"; response.Content = new StringContent(str, Encoding.UTF8, "application/json"); } public static string GenerateTimeStamp() { TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0); return Convert.ToInt64(ts.TotalSeconds).ToString(); } /// <summary> /// 所有參數 ascii碼排序 最後追加Key /// </summary> /// <param name="dic"></param> /// <param name="token"></param> /// <returns></returns> public string GetMakeSign(SortedDictionary<string, string> dic, string token) { StringBuilder strBuilder = new StringBuilder(); foreach (var item in dic) { strBuilder.AppendFormat("{0}={1}&", item.Key, item.Value); } strBuilder.AppendFormat("key={0}", token); var md5 = MD5.Create(); var bs = md5.ComputeHash(Encoding.UTF8.GetBytes(strBuilder.ToString())); var sb = new StringBuilder(); foreach (byte b in bs) { sb.Append(b.ToString("x2")); } //所有字符轉為大寫 return sb.ToString().ToUpper(); } }
asp.net webapi 自定義身份驗證