通过http发送基本身份validation
我试图从需要基本身份validation的页面中读取源代码。 但是，在我的HttpWebRequest中使用Header甚至Credentials，我仍然会收到未经授权的exception[401]。
string urlAddress = URL; string UserName = "MyUser"; string Password = "MyPassword"; HttpWebRequest request = (HttpWebRequest)WebRequest.Create(urlAddress); if (UserName != string.Empty) { string encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(UserName + ":" + Password)); request.Headers.Add("Authorization", "Basic " + encoded); System.Net.CredentialCache credentialCache = new System.Net.CredentialCache(); credentialCache.Add( new System.Uri(urlAddress), "Basic", new System.Net.NetworkCredential(UserName, Password) ); request.Credentials = credentialCache; } HttpWebResponse response = (HttpWebResponse)request.GetResponse(); //<== Throws Exception 401 Fiddler Auth结果
没有Proxy-Authenticate标头。
WWW-Authenticate Header存在：Basic realm =“example”
正如消息所说：
没有Proxy-Authenticate标头。
然后，解决方法：
... string urlAddress = "http://www.google.com"; string userName = "user01"; string password = "puser01"; string proxyServer = "127.0.0.1"; int proxyPort = 8081; HttpWebRequest request = (HttpWebRequest) WebRequest.Create(urlAddress); if (userName != string.Empty) { request.Proxy = new WebProxy(proxyServer, proxyPort) { UseDefaultCredentials = false, Credentials = new NetworkCredential(userName, password) }; string basicAuthBase64 = Convert.ToBase64String(Encoding.GetEncoding("ISO-8859-1").GetBytes(string.Format("{0}:{1}", userName, password))); request.Headers.Add("Proxy-Authorization", string.Format("Basic {0}", basicAuthBase64)); } using (HttpWebResponse response = (HttpWebResponse) request.GetResponse()) { var stream = response.GetResponseStream(); if (stream != null) { //--print the stream content to Console using (var reader = new StreamReader(stream)) { Console.WriteLine(reader.ReadToEnd()); } } } ...
我希望它有所帮助。