private SIPRequest GetAuthenticatedRegistrationRequest(SIPRequest registerRequest, SIPResponse sipResponse)
{
try
{
SIPAuthorisationDigest authRequest = sipResponse.Header.AuthenticationHeader.SIPDigest;
string username = (m_authUsername != null) ? m_authUsername : m_sipAccountAOR.User;
authRequest.SetCredentials(username, m_password, registerRequest.URI.ToString(), SIPMethodsEnum.REGISTER.ToString());
if (!this.m_realm.IsNullOrBlank())
{
authRequest.Realm = this.m_realm;
}
SIPRequest regRequest = registerRequest.Copy();
regRequest.SetSendFromHints(registerRequest.LocalSIPEndPoint);
regRequest.Header.Vias.TopViaHeader.Branch = CallProperties.CreateBranchId();
regRequest.Header.From.FromTag = CallProperties.CreateNewTag();
regRequest.Header.To.ToTag = null;
regRequest.Header.CSeq = ++m_cseq;
regRequest.Header.AuthenticationHeader = new SIPAuthenticationHeader(authRequest);
regRequest.Header.AuthenticationHeader.SIPDigest.Response = authRequest.Digest;
return(regRequest);
}
catch (Exception excp)
{
logger.LogError("Exception GetAuthenticatedRegistrationRequest. " + excp.Message);
throw;
}
}
private SIPRequest GetAuthenticatedRequest(SIPRequest originalRequest, SIPResponse sipResponse)
{
try
{
SIPAuthorisationDigest digest = sipResponse.Header.AuthenticationHeader.SIPDigest;
m_lastServerNonce = digest.Nonce;
string username = (m_callDescriptor.AuthUsername != null) ? m_callDescriptor.AuthUsername : m_callDescriptor.Username;
digest.SetCredentials(username, m_callDescriptor.Password, originalRequest.URI.ToString(), originalRequest.Method.ToString());
SIPRequest authRequest = originalRequest.Copy();
authRequest.SetSendFromHints(originalRequest.LocalSIPEndPoint);
authRequest.Header.Vias.TopViaHeader.Branch = CallProperties.CreateBranchId();
authRequest.Header.From.FromTag = CallProperties.CreateNewTag();
authRequest.Header.To.ToTag = null;
authRequest.Header.CallId = CallProperties.CreateNewCallId();
authRequest.Header.CSeq = originalRequest.Header.CSeq + 1;
authRequest.Header.AuthenticationHeader = new SIPAuthenticationHeader(digest);
authRequest.Header.AuthenticationHeader.SIPDigest.Response = digest.Digest;
return(authRequest);
}
catch (Exception excp)
{
logger.LogError("Exception SIPNonInviteClientUserAgent GetAuthenticatedRequest. " + excp.Message);
throw;
}
}
/// <summary>
/// Builds the REFER request to transfer an established call.
/// </summary>
/// <param name="sipDialogue">A SIP dialogue object representing the established call.</param>
/// <param name="referToUri">The SIP URI to transfer the call to.</param>
/// <returns>A SIP REFER request.</returns>
private static SIPRequest GetReferRequest(SIPClientUserAgent uac, SIPURI referToUri)
{
SIPDialogue sipDialogue = uac.SIPDialogue;
SIPRequest referRequest = new SIPRequest(SIPMethodsEnum.REFER, sipDialogue.RemoteTarget);
referRequest.SetSendFromHints(uac.ServerTransaction.TransactionRequest.LocalSIPEndPoint);
SIPFromHeader referFromHeader = SIPFromHeader.ParseFromHeader(sipDialogue.LocalUserField.ToString());
SIPToHeader referToHeader = SIPToHeader.ParseToHeader(sipDialogue.RemoteUserField.ToString());
int cseq = sipDialogue.CSeq + 1;
sipDialogue.CSeq++;
SIPHeader referHeader = new SIPHeader(referFromHeader, referToHeader, cseq, sipDialogue.CallId);
referHeader.CSeqMethod = SIPMethodsEnum.REFER;
referRequest.Header = referHeader;
referRequest.Header.Routes = sipDialogue.RouteSet;
referRequest.Header.ProxySendFrom = sipDialogue.ProxySendFrom;
referRequest.Header.Vias.PushViaHeader(SIPViaHeader.GetDefaultSIPViaHeader());
referRequest.Header.ReferTo = referToUri.ToString();
referRequest.Header.Contact = new List <SIPContactHeader>()
{
SIPContactHeader.GetDefaultSIPContactHeader()
};
return(referRequest);
}
private SIPRequest GetCancelRequest(SIPRequest inviteRequest)
{
SIPRequest cancelRequest = new SIPRequest(SIPMethodsEnum.CANCEL, inviteRequest.URI);
cancelRequest.SetSendFromHints(inviteRequest.LocalSIPEndPoint);
SIPHeader inviteHeader = inviteRequest.Header;
SIPHeader cancelHeader = new SIPHeader(inviteHeader.From, inviteHeader.To, inviteHeader.CSeq, inviteHeader.CallId);
cancelRequest.Header = cancelHeader;
cancelHeader.CSeqMethod = SIPMethodsEnum.CANCEL;
cancelHeader.Routes = inviteHeader.Routes;
cancelHeader.ProxySendFrom = inviteHeader.ProxySendFrom;
cancelHeader.Vias = inviteHeader.Vias;
return(cancelRequest);
}
private SIPRequest GetByeRequest(SIPResponse inviteResponse, SIPURI byeURI)
{
SIPRequest byeRequest = new SIPRequest(SIPMethodsEnum.BYE, byeURI);
byeRequest.SetSendFromHints(inviteResponse.LocalSIPEndPoint);
SIPFromHeader byeFromHeader = inviteResponse.Header.From;
SIPToHeader byeToHeader = inviteResponse.Header.To;
int cseq = inviteResponse.Header.CSeq + 1;
SIPHeader byeHeader = new SIPHeader(byeFromHeader, byeToHeader, cseq, inviteResponse.Header.CallId);
byeHeader.CSeqMethod = SIPMethodsEnum.BYE;
byeHeader.ProxySendFrom = m_serverTransaction.TransactionRequest.Header.ProxySendFrom;
byeRequest.Header = byeHeader;
byeRequest.Header.Routes = (inviteResponse.Header.RecordRoutes != null) ? inviteResponse.Header.RecordRoutes.Reversed() : null;
byeRequest.Header.Vias.PushViaHeader(SIPViaHeader.GetDefaultSIPViaHeader(null));
return(byeRequest);
}
private SIPRequest GetUpdateRequest(SIPRequest inviteRequest, CRMHeaders crmHeaders)
{
SIPRequest updateRequest = new SIPRequest(SIPMethodsEnum.UPDATE, inviteRequest.URI);
updateRequest.SetSendFromHints(inviteRequest.LocalSIPEndPoint);
SIPHeader inviteHeader = inviteRequest.Header;
SIPHeader updateHeader = new SIPHeader(inviteHeader.From, inviteHeader.To, inviteHeader.CSeq + 1, inviteHeader.CallId);
inviteRequest.Header.CSeq++;
updateRequest.Header = updateHeader;
updateHeader.CSeqMethod = SIPMethodsEnum.UPDATE;
updateHeader.Routes = inviteHeader.Routes;
updateHeader.ProxySendFrom = inviteHeader.ProxySendFrom;
SIPViaHeader viaHeader = new SIPViaHeader(new IPEndPoint(IPAddress.Any, 0), CallProperties.CreateBranchId());
updateHeader.Vias.PushViaHeader(viaHeader);
return(updateRequest);
}
public void Hangup()
{
if (m_sipDialogue == null)
{
return;
}
try
{
//SIPRequest byeRequest = GetByeRequest(m_serverTransaction.TransactionFinalResponse, m_sipDialogue.RemoteTarget);
SIPRequest byeRequest = m_sipDialogue.GetInDialogRequest(SIPMethodsEnum.BYE);
byeRequest.SetSendFromHints(m_serverTransaction.TransactionRequest.LocalSIPEndPoint);
m_byeTransaction = new SIPNonInviteTransaction(m_sipTransport, byeRequest, m_outboundProxy);
m_byeTransaction.NonInviteTransactionFinalResponseReceived += ByeServerFinalResponseReceived;
m_byeTransaction.NonInviteTransactionFailed += (tx, reason) => logger.LogWarning($"Bye request for {m_sipCallDescriptor.Uri} failed with {reason}.");
m_byeTransaction.SendRequest();
}
catch (Exception excp)
{
logger.LogError("Exception SIPClientUserAgent Hangup. " + excp.Message);
}
}