/// <summary>
/// Creates authorization for each challange in <b>response</b>.
/// </summary>
/// <param name="request">SIP request where to add authorization values.</param>
/// <param name="response">SIP response which challanges to authorize.</param>
/// <param name="credentials">Credentials for authorization.</param>
/// <returns>Returns true if all challanges were authorized. If any of the challanges was not authorized, returns false.</returns>
private bool Authorize(SIP_Request request, SIP_Response response, NetworkCredential[] credentials)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
if (response == null)
{
throw new ArgumentNullException("response");
}
if (credentials == null)
{
throw new ArgumentNullException("credentials");
}
bool allAuthorized = true;
#region WWWAuthenticate
foreach (SIP_t_Challenge challange in response.WWWAuthenticate.GetAllValues())
{
Auth_HttpDigest authDigest = new Auth_HttpDigest(challange.AuthData,
request.RequestLine.Method);
// Serach credential for the specified challange.
NetworkCredential credential = null;
foreach (NetworkCredential c in credentials)
{
if (c.Domain.ToLower() == authDigest.Realm.ToLower())
{
credential = c;
break;
}
}
// We don't have credential for this challange.
if (credential == null)
{
allAuthorized = false;
}
// Authorize challange.
else
{
authDigest.UserName = credential.UserName;
authDigest.Password = credential.Password;
authDigest.CNonce = Auth_HttpDigest.CreateNonce();
request.Authorization.Add(authDigest.ToAuthorization());
}
}
#endregion
#region ProxyAuthenticate
foreach (SIP_t_Challenge challange in response.ProxyAuthenticate.GetAllValues())
{
Auth_HttpDigest authDigest = new Auth_HttpDigest(challange.AuthData,
request.RequestLine.Method);
// Serach credential for the specified challange.
NetworkCredential credential = null;
foreach (NetworkCredential c in credentials)
{
if (c.Domain.ToLower() == authDigest.Realm.ToLower())
{
credential = c;
break;
}
}
// We don't have credential for this challange.
if (credential == null)
{
allAuthorized = false;
}
// Authorize challange.
else
{
authDigest.UserName = credential.UserName;
authDigest.Password = credential.Password;
authDigest.CNonce = Auth_HttpDigest.CreateNonce();
request.ProxyAuthorization.Add(authDigest.ToAuthorization());
}
}
#endregion
return(allAuthorized);
}
