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//
// System.Net.BasicClient
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2003 Ximian, Inc (http://www.ximian.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Text;
namespace System.Net
{
class BasicClient : IAuthenticationModule
{
public Authorization Authenticate (string challenge, WebRequest webRequest, ICredentials credentials)
{
if (credentials == null || challenge == null)
return null;
string header = challenge.Trim ();
if (header.ToLower ().IndexOf ("basic") == -1)
return null;
return InternalAuthenticate (webRequest, credentials);
}
static Authorization InternalAuthenticate (WebRequest webRequest, ICredentials credentials)
{
HttpWebRequest request = webRequest as HttpWebRequest;
if (request == null)
return null;
NetworkCredential cred = credentials.GetCredential (request.AuthUri, "basic");
string userName = cred.UserName;
if (userName == null || userName == "")
return null;
string password = cred.Password;
string domain = cred.Domain;
byte [] bytes;
// If domain is set, MS sends "domain\user:password".
if (domain == null || domain == "" || domain.Trim () == "")
bytes = Encoding.Default.GetBytes (userName + ":" + password);
else
bytes = Encoding.Default.GetBytes (domain + "\\" + userName + ":" + password);
string auth = "Basic " + Convert.ToBase64String (bytes);
return new Authorization (auth);
}
public Authorization PreAuthenticate (WebRequest webRequest, ICredentials credentials)
{
return InternalAuthenticate ( webRequest, credentials);
}
public string AuthenticationType {
get { return "Basic"; }
}
public bool CanPreAuthenticate {
get { return true; }
}
}
}
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