/// <summary>
/// Sends in initial notification request for a new subscription where it makes sense to do so.
/// </summary>
/// <param name="subscribeRequest">The client request that resulted in the subscription creation.</param>
/// <param name="sipAccount">The authenticated SIP account that created the subscription.</param>
private void SendInitialNotification(SIPRequest subscribeRequest, ISIPAccount sipAccount)
{
if (SIPEventPackageType.IsValid(subscribeRequest.Header.Event))
{
var eventPackage = SIPEventPackageType.Parse(subscribeRequest.Header.Event);
if (eventPackage == SIPEventPackagesEnum.MessageSummary)
{
// Send a dummy message waiting indicator message so that a client can verify a notification request can
// be received.
var dstUri = subscribeRequest.Header.Contact[0].ContactURI;
var accountURI = new SIPURI(sipAccount.SIPUsername, sipAccount.SIPDomain, null, dstUri.Scheme, dstUri.Protocol);
var notifyReq = SIPRequest.GetRequest(SIPMethodsEnum.NOTIFY,
subscribeRequest.Header.Contact[0].ContactURI,
new SIPToHeader(null, accountURI.CopyOf(), CallProperties.CreateNewTag()),
new SIPFromHeader(null, accountURI.CopyOf(), CallProperties.CreateNewTag()));
notifyReq.Header.CallId = subscribeRequest.Header.CallId;
notifyReq.Header.CSeq = subscribeRequest.Header.CSeq++;
notifyReq.Header.Server = m_serverAgent;
notifyReq.Header.Event = SIPEventPackageType.MESSAGE_SUMMARY_EVENT_VALUE;
notifyReq.Header.SubscriptionState = "active";
notifyReq.Header.SetDateHeader();
notifyReq.Header.ContentType = SIPMIMETypes.MWI_CONTENT_TYPE;
notifyReq.Body = "Messages-Waiting: no";
// A little trick here is using the remote SIP end point as the destination rather than the Contact URI.
// Ideally some extra logic to check for IPv4 NAT should be applied. But since this server is known to
// be operating in the cloud and only send NOTIFY requests to Internet clients it should be a reasonable
// option.
SIPNonInviteTransaction notifyTx = new SIPNonInviteTransaction(m_sipTransport, notifyReq, subscribeRequest.RemoteSIPEndPoint);
notifyTx.SendRequest();
}
}
}
private SIPRequest GetRegistrationRequest(SIPEndPoint localSIPEndPoint)
{
try
{
string realm = (m_realm != null) ? m_realm : IPSocket.ParseHostFromSocket(m_registrarHost);
SIPURI registerURI = m_sipAccountAOR.CopyOf();
registerURI.User = null;
SIPRequest registerRequest = m_sipTransport.GetRequest(
SIPMethodsEnum.REGISTER,
registerURI,
new SIPToHeader(null, m_sipAccountAOR, null),
localSIPEndPoint);
registerRequest.Header.From = new SIPFromHeader(null, m_sipAccountAOR, CallProperties.CreateNewTag());
registerRequest.Header.Contact[0] = new SIPContactHeader(null, m_contactURI);
registerRequest.Header.CSeq = ++m_cseq;
registerRequest.Header.CallId = m_callID;
registerRequest.Header.UserAgent = (!UserAgent.IsNullOrBlank()) ? UserAgent : m_userAgent;
registerRequest.Header.Expires = m_expiry;
return(registerRequest);
}
catch (Exception excp)
{
logger.LogError("Exception GetRegistrationRequest. " + excp.Message);
throw excp;
}
}
public SIPNotifierClient(
SIPMonitorLogDelegate logDelegate,
SIPTransport sipTransport,
SIPEndPoint outboundProxy,
SIPEventPackage sipEventPackage,
SIPURI resourceURI,
string authUsername,
string authDomain,
string authPassword,
int expiry,
string filter)
{
Log_External = logDelegate;
m_sipTransport = sipTransport;
m_outboundProxy = outboundProxy;
m_sipEventPackage = sipEventPackage;
m_authUsername = authUsername;
m_authDomain = authDomain;
m_authPassword = authPassword;
m_expiry = (expiry > 0) ? expiry : DEFAULT_SUBSCRIBE_EXPIRY;
m_filter = filter;
m_resourceURI = resourceURI.CopyOf();
m_subscribeCallID = CallProperties.CreateNewCallId();
m_subscriptionFromTag = CallProperties.CreateNewTag();
}
private SIPRequest GetRegistrationRequest()
{
try
{
SIPURI registerURI = m_sipAccountAOR.CopyOf();
registerURI.User = null;
SIPRequest registerRequest = SIPRequest.GetRequest(
SIPMethodsEnum.REGISTER,
registerURI,
new SIPToHeader(this.UserDisplayName, m_sipAccountAOR, null),
new SIPFromHeader(this.UserDisplayName, m_sipAccountAOR, CallProperties.CreateNewTag()));
registerRequest.Header.Contact = new List <SIPContactHeader> {
new SIPContactHeader(this.UserDisplayName, m_contactURI)
};
registerRequest.Header.CSeq = ++m_cseq;
registerRequest.Header.CallId = m_callID;
registerRequest.Header.UserAgent = (!UserAgent.IsNullOrBlank()) ? UserAgent : m_userAgent;
registerRequest.Header.Expires = m_expiry;
return(registerRequest);
}
catch (Exception excp)
{
logger.LogError("Exception GetRegistrationRequest. " + excp.Message);
throw excp;
}
}
private SIPRequest GetRegistrationRequest()
{
SIPURI registerURI = m_sipAccountAOR.CopyOf();
registerURI.User = null;
SIPRequest registerRequest = SIPRequest.GetRequest(
SIPMethodsEnum.REGISTER,
registerURI,
new SIPToHeader(this.UserDisplayName, m_sipAccountAOR, null),
new SIPFromHeader(this.UserDisplayName, m_sipAccountAOR, CallProperties.CreateNewTag()));
registerRequest.Header.Contact = new List <SIPContactHeader> {
new SIPContactHeader(this.UserDisplayName, m_contactURI)
};
registerRequest.Header.CSeq = ++m_cseq;
registerRequest.Header.CallId = m_callID;
registerRequest.Header.UserAgent = (!UserAgent.IsNullOrBlank()) ? UserAgent : SIPConstants.SipUserAgentVersionString;
registerRequest.Header.Expires = m_expiry;
if (m_customHeaders != null && m_customHeaders.Length > 0)
{
foreach (var header in m_customHeaders)
{
registerRequest.Header.UnknownHeaders.Add(header);
}
}
if (AdjustRegister == null)
{
return(registerRequest);
}
return(AdjustRegister(registerRequest));
}
public SIPUserField CopyOf()
{
SIPUserField copy = new SIPUserField();
copy.Name = Name;
copy.URI = URI.CopyOf();
copy.Parameters = Parameters.CopyOf();
return(copy);
}
private SIPRequest GetRegistrationRequest()
{
try
{
SIPURI registerURI = m_sipAccountAOR.CopyOf();
registerURI.User = null;
SIPRequest registerRequest = SIPRequest.GetRequest(
SIPMethodsEnum.REGISTER,
registerURI,
new SIPToHeader(this.UserDisplayName, m_sipAccountAOR, null),
new SIPFromHeader(this.UserDisplayName, m_sipAccountAOR, CallProperties.CreateNewTag()));
registerRequest.Header.Contact = new List <SIPContactHeader>
{
new SIPContactHeader(this.UserDisplayName, m_contactURI)
};
registerRequest.Header.CSeq = ++m_cseq;
registerRequest.Header.CallId = m_callID;
registerRequest.Header.UserAgent = (!UserAgent.IsNullOrBlank()) ? UserAgent : m_userAgent;
registerRequest.Header.Expires = m_expiry;
if (m_customHeaders != null && m_customHeaders.Length > 0)
{
foreach (var header in m_customHeaders)
{
registerRequest.Header.UnknownHeaders.Add(header);
}
}
if (AdjustRegister == null)
{
return(registerRequest);
}
return(AdjustRegister(registerRequest));
}
catch (Exception excp)
{
Logger.Logger.Error("Exception GetRegistrationRequest. ->" + excp.Message);
throw excp;
}
}
/// <summary></summary>
/// <param name="uacRecvdEndPoint">If this is non-null it indicates the contact header should be mangled based on the public socket the register request was demmed
/// to have originated from rather then relying on the contact value recieved from the uac.</param>
public SIPRegistrarBinding(
SIPAccount sipAccount,
SIPURI bindingURI,
string callId,
int cseq,
string userAgent,
SIPEndPoint remoteSIPEndPoint,
SIPEndPoint proxySIPEndPoint,
SIPEndPoint registrarSIPEndPoint,
int expiry)
{
Id = Guid.NewGuid();
LastUpdate = DateTime.UtcNow;
SIPAccountId = sipAccount.Id;
SIPAccountName = sipAccount.SIPUsername + "@" + sipAccount.SIPDomain;
Owner = sipAccount.Owner;
AdminMemberId = sipAccount.AdminMemberId;
m_contactURI = bindingURI.CopyOf();
m_mangledContactURI = m_contactURI.CopyOf();
CallId = callId;
CSeq = cseq;
UserAgent = userAgent;
RemoteSIPEndPoint = remoteSIPEndPoint;
m_proxySIPEndPoint = proxySIPEndPoint;
m_registrarSIPEndPoint = registrarSIPEndPoint;
//if (SIPTransport.IsPrivateAddress(sipRequest.Header.Contact[0].ContactURI.Host) && m_mangleUACContact)
if (!sipAccount.DontMangleEnabled && Regex.Match(m_mangledContactURI.Host, @"(\d+\.){3}\d+").Success)
{
// The Contact URI Host is used by registrars as the contact socket for the user so it needs to be changed to reflect the socket
// the intial request was received on in order to work around NAT. It's no good just relying on private addresses as a lot of User Agents
// determine their public IP but NOT their public port so they send the wrong port in the Contact header.
//logger.Debug("Mangling contact header from " + m_mangledContactURI.Host + " to " + IPSocket.GetSocketString(uacRecvdEndPoint) + ".");
m_mangledContactURI.Host = remoteSIPEndPoint.GetIPEndPoint().ToString();
}
m_expiry = expiry;
}
public SIPEventPresence(SIPURI entity)
{
Entity = entity.CopyOf();
}
/// <summary></summary>
/// <param name="uacRecvdEndPoint">If this is non-null it indicates the contact header should be mangled based on the public socket the register request was demmed
/// to have originated from rather then relying on the contact value recieved from the uac.</param>
public SIPRegistrarBinding(
SIPAccount sipAccount,
SIPURI bindingURI,
string callId,
int cseq,
string userAgent,
SIPEndPoint remoteSIPEndPoint,
SIPEndPoint proxySIPEndPoint,
SIPEndPoint registrarSIPEndPoint,
int expiry)
{
Id = Guid.NewGuid();
LastUpdate = DateTime.UtcNow;
SIPAccountId = sipAccount.Id;
SIPAccountName = sipAccount.SIPUsername + "@" + sipAccount.SIPDomain;
Owner = sipAccount.Owner;
AdminMemberId = sipAccount.AdminMemberId;
m_contactURI = bindingURI.CopyOf();
m_mangledContactURI = m_contactURI.CopyOf();
CallId = callId;
CSeq = cseq;
UserAgent = userAgent;
RemoteSIPEndPoint = remoteSIPEndPoint;
m_proxySIPEndPoint = proxySIPEndPoint;
m_registrarSIPEndPoint = registrarSIPEndPoint;
//if (SIPTransport.IsPrivateAddress(sipRequest.Header.Contact[0].ContactURI.Host) && m_mangleUACContact)
if (!sipAccount.DontMangleEnabled && Regex.Match(m_mangledContactURI.Host, @"(\d+\.){3}\d+").Success)
{
// The Contact URI Host is used by registrars as the contact socket for the user so it needs to be changed to reflect the socket
// the intial request was received on in order to work around NAT. It's no good just relying on private addresses as a lot of User Agents
// determine their public IP but NOT their public port so they send the wrong port in the Contact header.
//logger.Debug("Mangling contact header from " + m_mangledContactURI.Host + " to " + IPSocket.GetSocketString(uacRecvdEndPoint) + ".");
m_mangledContactURI.Host = remoteSIPEndPoint.GetIPEndPoint().ToString();
}
m_expiry = expiry;
}
public SIPEventDialogInfo(int version, SIPEventDialogInfoStateEnum state, SIPURI entity)
{
Version = version;
State = state;
Entity = entity.CopyOf();
}
