public IAuthenticator Next(WebException ex)
{
// No user name provided, just throw
if (string.IsNullOrEmpty(_user))
return null;
var response = (HttpWebResponse)ex.Response;
var header = response.Headers["WWW-Authenticate"];
if (response.StatusCode != HttpStatusCode.Unauthorized ||
string.IsNullOrEmpty(header))
return null;
var digest = new DigestToken(header,
_user, _password);
return new DigestAuthenticator(digest);
}
public DigestAuthenticator(DigestToken digest)
{
if (digest == null)
throw new ArgumentNullException("digest");
_digest = digest;
}