建立新FilterAttribute繼承AuthorizationFilterAttribute，覆寫OnAuthorization攔截傳入的HttpActionContext內(nèi)容判斷是否有傳入指定的資料

public override void OnAuthorization(HttpActionContext filterContext) { var identity = FetchAuthHeader(filterContext); //取得資料內(nèi)容 if (identity == null) { ChallengeAuthRequest(filterContext); //回傳錯誤訊息 return; } var genericPrincipal = new GenericPrincipal(identity, null); //針對目前連線的使用者做授權(quán) Thread.CurrentPrincipal = genericPrincipal; if (!OnAuthorizeUser(identity.Name, identity.Password, filterContext)) //驗證 { ChallengeAuthRequest(filterContext); return; } base.OnAuthorization(filterContext); }

解析HttpActionContext內(nèi)容取得指定的資料

protected virtual BasicAuthenticationIdentity FetchAuthHeader(HttpActionContext filterContext) { string customer = ""; string pwd = ""; IEnumerable<string> authRequest = filterContext.Request.Headers.GetValues("指定的資料名稱"); IEnumerable<string> authRequest2 = filterContext.Request.Headers.GetValues("指定的資料名稱2"); try { customer = authRequest.FirstOrDefault(); pwd = authRequest2.FirstOrDefault(); } catch { } return new BasicAuthenticationIdentity(customer, pwd); }

驗證解析出來的資料是否符合需求

protected override bool OnAuthorizeUser(string username, string password, HttpActionContext actionContext) { if (username == "驗證資料" && password == "驗證碼") return true; return false; }

建立驗證失敗時要回傳的訊息

private static void ChallengeAuthRequest(HttpActionContext filterContext) { var dnsHost = filterContext.Request.RequestUri.DnsSafeHost; filterContext.Response = filterContext.Request.CreateResponse(HttpStatusCode.Unauthorized); filterContext.Response.Headers.Add("WWW-Authenticate", string.Format("validate failed", dnsHost)); }

于WebApiConfig.cs中注冊新增的Filter

public static class WebApiConfig { public static void Register(HttpConfiguration config) { GlobalConfiguration.Configuration.Filters.Add(new WebApi.Filters.ApiAuthenticationFilter()); } }

最后在需要驗證的API加上該Filter即可

[WebApi.Filters.ApiAuthenticationFilter] public object QueryApi(string pInput) { return null; }

轉(zhuǎn)載自：AlenWu的程式學(xué)習(xí)筆記

轉(zhuǎn)載于:https://www.cnblogs.com/hnsongbiao/p/9381303.html

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