public Authorization Authenticate (string challenge, WebRequest webRequest, ICredentials credentials) { HttpWebRequest request = webRequest as HttpWebRequest; if (request == null) return null; NetworkCredential cred = credentials.GetCredential (request.RequestUri, "NTLM"); if (cred == null) return null; string userName = cred.UserName; string domain = cred.Domain; string password = cred.Password; if (userName == null || userName == "") return null; domain = domain != null && domain.Length > 0 ? domain : request.Headers ["Host"]; bool completed = false; if (message == null) { Type1Message type1 = new Type1Message (); type1.Domain = domain; message = type1; } else if (message.Type == 1) { // Should I check the credentials? if (challenge == null) { message = null; return null; } Type2Message type2 = new Type2Message (Convert.FromBase64String (challenge)); if (password == null) password = ""; Type3Message type3 = new Type3Message (); type3.Domain = domain; type3.Username = userName; type3.Challenge = type2.Nonce; type3.Password = password; message = type3; completed = true; } else { // Should I check the credentials? // type must be 3 here if (challenge == null || challenge == String.Empty) { Type1Message type1 = new Type1Message (); type1.Domain = domain; message = type1; } else { completed = true; } } string token = "NTLM " + Convert.ToBase64String (message.GetBytes ()); return new Authorization (token, completed); }
public Authorization Authenticate (string challenge, WebRequest webRequest, ICredentials credentials) { HttpWebRequest request = webRequest as HttpWebRequest; if (request == null) return null; NetworkCredential cred = credentials.GetCredential (request.RequestUri, "NTLM"); if (cred == null) return null; string userName = cred.UserName; string domain = cred.Domain; string password = cred.Password; if (userName == null || userName == "") return null; if (String.IsNullOrEmpty (domain)) { int idx = userName.IndexOf ('\\'); if (idx == -1) { idx = userName.IndexOf ('/'); } if (idx >= 0) { domain = userName.Substring (0, idx); userName = userName.Substring (idx + 1); } } bool completed = false; if (message == null) { Type1Message type1 = new Type1Message (); type1.Domain = domain; type1.Host = ""; // MS does not send it type1.Flags |= NtlmFlags.NegotiateNtlm2Key; message = type1; } else if (message.Type == 1) { // Should I check the credentials? if (challenge == null) { message = null; return null; } Type2Message type2 = new Type2Message (Convert.FromBase64String (challenge)); if (password == null) password = ""; Type3Message type3 = new Type3Message (type2); type3.Username = userName; type3.Password = password; type3.Domain = domain; message = type3; completed = true; } else { // Should I check the credentials? // type must be 3 here if (challenge == null || challenge == String.Empty) { Type1Message type1 = new Type1Message (); type1.Domain = domain; type1.Host = ""; // MS does not send it message = type1; } else { completed = true; } } string token = "NTLM " + Convert.ToBase64String (message.GetBytes ()); return new Authorization (token, completed); }