public bool AuthenticateCall()
{
m_isAuthenticated = false;
try
{
if (m_sipAccount == null)
{
logger.LogWarning($"Rejecting authentication required call for {m_uasTransaction.TransactionRequestFrom}, SIP account not found.");
Reject(SIPResponseStatusCodesEnum.Forbidden, null, null);
}
else
{
SIPRequest sipRequest = m_uasTransaction.TransactionRequest;
SIPEndPoint localSIPEndPoint = (!sipRequest.Header.ProxyReceivedOn.IsNullOrBlank()) ? SIPEndPoint.ParseSIPEndPoint(sipRequest.Header.ProxyReceivedOn) : sipRequest.LocalSIPEndPoint;
SIPEndPoint remoteEndPoint = (!sipRequest.Header.ProxyReceivedFrom.IsNullOrBlank()) ? SIPEndPoint.ParseSIPEndPoint(sipRequest.Header.ProxyReceivedFrom) : sipRequest.RemoteSIPEndPoint;
var authenticationResult = SIPRequestAuthenticator.AuthenticateSIPRequest(localSIPEndPoint, remoteEndPoint, sipRequest, m_sipAccount);
if (authenticationResult.Authenticated)
{
if (authenticationResult.WasAuthenticatedByIP)
{
logger.LogDebug($"New call from {remoteEndPoint} successfully authenticated by IP address.");
}
else
{
logger.LogDebug($"New call from {remoteEndPoint} successfully authenticated by digest.");
}
m_isAuthenticated = true;
}
else
{
if (sipRequest.Header.AuthenticationHeader != null)
{
logger.LogWarning($"Call not authenticated for {m_sipAccount.SIPUsername}@{m_sipAccount.SIPDomain}, responding with {authenticationResult.ErrorResponse}.");
}
// Send authorisation failure or required response
SIPResponse authReqdResponse = SIPResponse.GetResponse(sipRequest, authenticationResult.ErrorResponse, null);
authReqdResponse.Header.AuthenticationHeader = authenticationResult.AuthenticationRequiredHeader;
m_uasTransaction.SendFinalResponse(authReqdResponse);
}
}
}
catch (Exception excp)
{
logger.LogError("Exception SIPServerUserAgent AuthenticateCall. " + excp.Message);
Reject(SIPResponseStatusCodesEnum.InternalServerError, null, null);
}
return(m_isAuthenticated);
}
public bool AuthenticateCall()
{
m_isAuthenticated = false;
try
{
if (m_sipAccount == null)
{
// If no SIP account specified then the assumption is authentication is not required.
m_isAuthenticated = true;
}
else
{
SIPRequest sipRequest = m_transaction.TransactionRequest;
SIPEndPoint localSIPEndPoint = (!sipRequest.Header.ProxyReceivedOn.IsNullOrBlank()) ? SIPEndPoint.ParseSIPEndPoint(sipRequest.Header.ProxyReceivedOn) : sipRequest.LocalSIPEndPoint;
SIPEndPoint remoteEndPoint = (!sipRequest.Header.ProxyReceivedFrom.IsNullOrBlank()) ? SIPEndPoint.ParseSIPEndPoint(sipRequest.Header.ProxyReceivedFrom) : sipRequest.RemoteSIPEndPoint;
SIPRequestAuthenticationResult authenticationResult = SIPRequestAuthenticator.AuthenticateSIPRequest(localSIPEndPoint, remoteEndPoint, sipRequest, m_sipAccount);
if (authenticationResult.Authenticated)
{
if (authenticationResult.WasAuthenticatedByIP)
{
logger.LogDebug(m_transaction.TransactionRequest.Method + " request from " + remoteEndPoint.ToString() + " successfully authenticated by IP address.");
}
else
{
logger.LogDebug(m_transaction.TransactionRequest.Method + " request from " + remoteEndPoint.ToString() + " successfully authenticated by digest.");
}
m_isAuthenticated = true;
}
else
{
// Send authorisation failure or required response
SIPResponse authReqdResponse = SIPResponse.GetResponse(sipRequest, authenticationResult.ErrorResponse, null);
authReqdResponse.Header.AuthenticationHeader = authenticationResult.AuthenticationRequiredHeader;
logger.LogDebug(m_transaction.TransactionRequest.Method + " request not authenticated for " + m_sipUsername + "@" + m_sipDomain + ", responding with " + authenticationResult.ErrorResponse + ".");
m_transaction.SendResponse(authReqdResponse);
}
}
}
catch (Exception excp)
{
logger.LogError("Exception SIPNonInviteUserAgent AuthenticateCall. " + excp.Message);
Reject(SIPResponseStatusCodesEnum.InternalServerError, null, null);
}
return(m_isAuthenticated);
}
