2 // System.Net.BasicClient
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (C) 2003 Ximian, Inc (http://www.ximian.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 class BasicClient : IAuthenticationModule
36 public Authorization Authenticate (string challenge, WebRequest webRequest, ICredentials credentials)
38 if (credentials == null || challenge == null)
41 string header = challenge.Trim ();
42 if (header.ToLower ().IndexOf ("basic", StringComparison.Ordinal) == -1)
45 return InternalAuthenticate (webRequest, credentials);
48 static byte [] GetBytes (string str)
51 byte [] result = new byte [i];
52 for (--i; i >= 0; i--)
53 result [i] = (byte) str [i];
58 static Authorization InternalAuthenticate (WebRequest webRequest, ICredentials credentials)
60 HttpWebRequest request = webRequest as HttpWebRequest;
61 if (request == null || credentials == null)
64 NetworkCredential cred = credentials.GetCredential (request.AuthUri, "basic");
68 string userName = cred.UserName;
69 if (userName == null || userName == "")
72 string password = cred.Password;
73 string domain = cred.Domain;
76 // If domain is set, MS sends "domain\user:password".
77 if (domain == null || domain == "" || domain.Trim () == "")
78 bytes = GetBytes (userName + ":" + password);
80 bytes = GetBytes (domain + "\\" + userName + ":" + password);
82 string auth = "Basic " + Convert.ToBase64String (bytes);
83 return new Authorization (auth);
86 public Authorization PreAuthenticate (WebRequest webRequest, ICredentials credentials)
88 return InternalAuthenticate ( webRequest, credentials);
91 public string AuthenticationType {
92 get { return "Basic"; }
95 public bool CanPreAuthenticate {