private void Initialise(List<SIPContactHeader> contact, SIPFromHeader from, SIPToHeader to, int cseq, string callId)
{
if (from == null)
{
throw new ApplicationException("The From header cannot be empty when creating a new SIP header.");
}
if (to == null)
{
throw new ApplicationException("The To header cannot be empty when creating a new SIP header.");
}
if (callId == null || callId.Trim().Length == 0)
{
throw new ApplicationException("The CallId header cannot be empty when creating a new SIP header.");
}
From = from;
To = to;
Contact = contact;
CallId = callId;
if (cseq > 0 && cseq < Int32.MaxValue)
{
CSeq = cseq;
}
else
{
CSeq = DEFAULT_CSEQ;
}
}
public static SIPFromHeader ParseFromHeader(string fromHeaderStr)
{
try
{
SIPFromHeader fromHeader = new SIPFromHeader();
fromHeader.m_userField = SIPUserField.ParseSIPUserField(fromHeaderStr);
return fromHeader;
}
catch (ArgumentException argExcp)
{
throw new SIPValidationException(SIPValidationFieldsEnum.FromHeader, argExcp.Message);
}
catch
{
throw new SIPValidationException(SIPValidationFieldsEnum.FromHeader, "The SIP From header was invalid.");
}
}
public SIPHeader(SIPContactHeader contact, SIPFromHeader from, SIPToHeader to, int cseq, string callId)
{
List<SIPContactHeader> contactList = new List<SIPContactHeader>();
if (contact != null)
{
contactList.Add(contact);
}
Initialise(contactList, from, to, cseq, callId);
}
public SIPHeader(List<SIPContactHeader> contactList, SIPFromHeader from, SIPToHeader to, int cseq, string callId)
{
Initialise(contactList, from, to, cseq, callId);
}
/// <summary>
/// Used to create a SIP response when it was not possible to parse the incoming SIP request.
/// </summary>
public SIPResponse GetResponse(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPResponseStatusCodesEnum responseCode, string reasonPhrase)
{
try
{
if (localSIPEndPoint == null)
{
localSIPEndPoint = GetDefaultSIPEndPoint();
}
SIPResponse response = new SIPResponse(responseCode, reasonPhrase, localSIPEndPoint);
SIPSchemesEnum sipScheme = (localSIPEndPoint.Protocol == SIPProtocolsEnum.tls) ? SIPSchemesEnum.sips : SIPSchemesEnum.sip;
SIPFromHeader from = new SIPFromHeader(null, new SIPURI(sipScheme, localSIPEndPoint), null);
SIPToHeader to = new SIPToHeader(null, new SIPURI(sipScheme, localSIPEndPoint), null);
int cSeq = 1;
string callId = CallProperties.CreateNewCallId();
response.Header = new SIPHeader(from, to, cSeq, callId);
response.Header.CSeqMethod = SIPMethodsEnum.NONE;
response.Header.Vias.PushViaHeader(new SIPViaHeader(new SIPEndPoint(localSIPEndPoint.Protocol, remoteEndPoint.GetIPEndPoint()), CallProperties.CreateBranchId()));
response.Header.MaxForwards = Int32.MinValue;
response.Header.Allow = ALLOWED_SIP_METHODS;
return response;
}
catch (Exception excp)
{
logger.Error("Exception SIPTransport GetResponse. " + excp.Message);
throw;
}
}
public SIPHeader(SIPFromHeader from, SIPToHeader to, int cseq, string callId)
{
Initialise(null, from, to, cseq, callId);
}
public SIPCDR(
SIPCallDirection callDirection,
SIPURI destination,
SIPFromHeader from,
string callId,
SIPEndPoint localSIPEndPoint,
SIPEndPoint remoteEndPoint)
{
CDRId = Guid.NewGuid();
Created = DateTimeOffset.UtcNow;
CallDirection = callDirection;
Destination = destination;
From = from;
CallId = callId;
LocalSIPEndPoint = localSIPEndPoint;
RemoteEndPoint = remoteEndPoint;
InProgress = false;
IsAnswered = false;
IsHungup = false;
CDRCreated(this);
}
public SIPRequest GetRequest(SIPMethodsEnum method, SIPURI uri, SIPToHeader to, SIPEndPoint localSIPEndPoint)
{
if (localSIPEndPoint == null)
{
localSIPEndPoint = GetDefaultSIPEndPoint();
}
SIPRequest request = new SIPRequest(method, uri);
request.LocalSIPEndPoint = localSIPEndPoint;
SIPContactHeader contactHeader = new SIPContactHeader(null, new SIPURI(SIPSchemesEnum.sip, localSIPEndPoint));
SIPFromHeader fromHeader = new SIPFromHeader(null, contactHeader.ContactURI, CallProperties.CreateNewTag());
SIPHeader header = new SIPHeader(contactHeader, fromHeader, to, 1, CallProperties.CreateNewCallId());
request.Header = header;
header.CSeqMethod = method;
header.Allow = ALLOWED_SIP_METHODS;
SIPViaHeader viaHeader = new SIPViaHeader(localSIPEndPoint, CallProperties.CreateBranchId());
header.Vias.PushViaHeader(viaHeader);
return request;
}
private SIPRequest GetRegistrationRequest(SIPProvider sipProvider, SIPProviderBinding binding, SIPEndPoint localSIPEndPoint, int expiry, SIPEndPoint registrarEndPoint)
{
try
{
if (!binding.BindingSIPURI.Parameters.Has(m_regAgentContactId))
{
binding.BindingSIPURI.Parameters.Set(m_regAgentContactId, Crypto.GetRandomString(6));
}
string realm = binding.RegistrarRealm;
SIPURI registerURI = SIPURI.ParseSIPURIRelaxed(realm);
SIPURI regUserURI = SIPURI.ParseSIPURIRelaxed(sipProvider.ProviderUsername + "@" + realm);
SIPFromHeader fromHeader = new SIPFromHeader(null, regUserURI, CallProperties.CreateNewTag());
SIPToHeader toHeader = new SIPToHeader(null, regUserURI, null);
SIPContactHeader contactHeader = new SIPContactHeader(null, binding.BindingSIPURI);
//contactHeader.Expires = binding.BindingExpiry;
string callId = binding.Id.ToString();
int cseq = ++binding.CSeq;
SIPRequest registerRequest = new SIPRequest(SIPMethodsEnum.REGISTER, registerURI);
registerRequest.LocalSIPEndPoint = localSIPEndPoint;
SIPHeader header = new SIPHeader(contactHeader, fromHeader, toHeader, cseq, callId);
header.CSeqMethod = SIPMethodsEnum.REGISTER;
header.UserAgent = m_userAgentString;
header.Expires = binding.BindingExpiry;
SIPViaHeader viaHeader = new SIPViaHeader(localSIPEndPoint, CallProperties.CreateBranchId());
header.Vias.PushViaHeader(viaHeader);
SIPRoute registrarRoute = new SIPRoute(new SIPURI(binding.RegistrarServer.Scheme, registrarEndPoint), true);
header.Routes.PushRoute(registrarRoute);
if (sipProvider != null && !sipProvider.CustomHeaders.IsNullOrBlank())
{
string[] customerHeadersList = sipProvider.CustomHeaders.Split(SIPProvider.CUSTOM_HEADERS_SEPARATOR);
if (customerHeadersList != null && customerHeadersList.Length > 0)
{
foreach (string customHeader in customerHeadersList)
{
if (customHeader.IndexOf(':') == -1)
{
logger.Debug("Skipping custom header due to missing colon, " + customHeader + ".");
continue;
}
else
{
string headerName = customHeader.Substring(0, customHeader.IndexOf(':'));
if (headerName != null && Regex.Match(headerName.Trim(), "(Via|From|To|Contact|CSeq|Call-ID|Max-Forwards|Content)", RegexOptions.IgnoreCase).Success)
{
logger.Debug("Skipping custom header due to an non-permitted string in header name, " + customHeader + ".");
continue;
}
else
{
if (headerName == SIPConstants.SIP_USERAGENT_STRING)
{
header.UserAgent = customHeader.Substring(customHeader.IndexOf(':') + 1);
}
else
{
header.UnknownHeaders.Add(customHeader.Trim());
}
}
}
}
}
}
registerRequest.Header = header;
return registerRequest;
}
catch (Exception excp)
{
logger.Error("Exception GetRegistrationRequest. " + excp.Message);
throw excp;
}
}
private SIPRequest GetOptionsRequest(SIPURI serverURI, int cseq, IPEndPoint contact)
{
SIPRequest optionsRequest = new SIPRequest(SIPMethodsEnum.OPTIONS, serverURI);
SIPFromHeader fromHeader = new SIPFromHeader(null, SIPURI.ParseSIPURI("sip:" + contact.ToString()), null);
SIPToHeader toHeader = new SIPToHeader(null, serverURI, null);
string callId = CallProperties.CreateNewCallId();
string branchId = CallProperties.CreateBranchId();
SIPHeader header = new SIPHeader(fromHeader, toHeader, cseq, callId);
header.CSeqMethod = SIPMethodsEnum.OPTIONS;
header.MaxForwards = 0;
SIPViaHeader viaHeader = new SIPViaHeader(contact.Address.ToString(), contact.Port, branchId);
header.Vias.PushViaHeader(viaHeader);
optionsRequest.Header = header;
return optionsRequest;
}
/// <summary>
/// Looks up a person contact in the 37 Signals Highrise application.
/// </summary>
/// <param name="url">The URL of the Highrise account to attempt the lookup on.</param>
/// <param name="authToken">The auth token for the Highrise account to attempt the lookup with.</param>
/// <param name="name">The name of the person to attempt a match on.</param>
/// <param name="addCallNote">If true it indicates a Highrise note should be created if a matching contact is found.</param>
//public CRMHeaders LookupHighriseContact(string url, string authToken, string name, bool addCallNote, bool async)
//{
// LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Looking up Highrise contact on " + url + " for " + name + ".", m_context.Owner));
// if (async)
// {
// m_context.SetCallerDetails(new CRMHeaders() { Pending = true });
// ThreadPool.QueueUserWorkItem(delegate { DoLookup(url, authToken, name, addCallNote, (result) => { m_context.SetCallerDetails(result); }); });
// return null;
// }
// else
// {
// return DoLookup(url, authToken, name, addCallNote, null);
// }
//}
private CRMHeaders DoLookup(string url, string authToken, SIPFromHeader from, bool addCallNote, Action<CRMHeaders> callback)
{
try
{
string searchString = null;
string lookupType = null;
if (from.FromName != null && Regex.Match(from.FromName, @"\D").Success)
{
// The From display name has a non-digit character do a name lookup.
lookupType = "name";
searchString = from.FromName.Trim();
}
else if (from.FromName != null)
{
// The From display name is all digits do a phone number lookup.
lookupType = "phonenumber";
searchString = from.FromName.Trim();
}
else if (!Regex.Match(from.FromURI.User, @"\D").Success)
{
// The From URI user is all digits do a phone number lookup.
lookupType = "phonenumber";
searchString = from.FromURI.User.Trim();
}
else
{
// Last resort is to do a SIP URI lookup.
lookupType = "sipaddress";
searchString = from.FromURI.ToAOR();
}
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Highrise contact lookup type " + lookupType + " commencing for " + searchString + ".", m_context.Owner));
CRMHeaders result = null;
DateTime startLookup = DateTime.Now;
PersonRequest personRequest = new PersonRequest(url, authToken);
People people = null;
if (lookupType == "name")
{
people = personRequest.GetByName(searchString);
}
else if (lookupType == "phonenumber")
{
people = personRequest.GetByPhoneNumber(searchString);
}
else if (lookupType == "sipaddress")
{
people = personRequest.GetByCustomField("sip_address", searchString);
}
if (people != null && people.PersonList != null && people.PersonList.Count > 0)
{
Person person = people.PersonList[0];
string companyName = null;
if (person.CompanyID != null)
{
CompanyRequest companyRequest = new CompanyRequest(url, authToken);
Company company = companyRequest.GetByID(person.CompanyID.Value);
if (company != null)
{
companyName = company.Name;
}
}
double secondsDuration = DateTime.Now.Subtract(startLookup).TotalSeconds;
if (companyName != null)
{
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Highrise contact match " + person.FirstName + " " + person.LastName + " of " + companyName + ", time taken " + secondsDuration.ToString("0.##") + "s.", m_context.Owner));
}
else
{
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Highrise contact match " + person.FirstName + " " + person.LastName + ", time taken " + secondsDuration.ToString("0.##") + "s.", m_context.Owner));
}
//m_context.SetCallerDetails(new CRMHeaders(person.FirstName + " " + person.LastName, companyName, person.AvatarURL));
string personName = (!person.LastName.IsNullOrBlank()) ? person.FirstName + " " + person.LastName : person.FirstName;
result = new CRMHeaders(personName, companyName, person.AvatarURL);
if (addCallNote)
{
ThreadPool.QueueUserWorkItem(delegate { AddHighriseCallNote(url, authToken, from, person); });
}
}
else
{
double secondsDuration = DateTime.Now.Subtract(startLookup).TotalSeconds;
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "No Highrise contact match, time taken " + secondsDuration.ToString("0.##") + "s.", m_context.Owner));
result = new CRMHeaders() { Pending = false, LookupError = "No Highrise contact match." };
}
if (callback != null)
{
callback(result);
}
return result;
}
catch (Exception excp)
{
logger.Error("Exception LookupHighriseContact. " + excp.Message);
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Error looking up Highrise contact.", m_context.Owner));
var errorResult = new CRMHeaders() { Pending = false, LookupError = "Error looking up Highrise contact." };
if (callback != null)
{
callback(errorResult);
}
return errorResult;
}
}
private void AddHighriseCallNote(string url, string authToken, SIPFromHeader caller, Person person)
{
try
{
NoteRequest request = new NoteRequest(url, authToken);
string result = request.CreateNoteForPerson(person.ID, HttpUtility.HtmlEncode("Incoming SIP call as " + caller.FromUserField.ToParameterlessString() + " at " + DateTime.UtcNow.ToString("dd MMM yyyy HH:mm:ss") + " UTC."));
string personName = person.FirstName + " " + person.LastName;
if(result != null)
{
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Highrise call received note added for " + personName + ".", m_context.Owner));
}
else
{
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Failed to add Highrise call received note for " + personName + ".", m_context.Owner));
}
}
catch (Exception excp)
{
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Exception attempting to add Highrise call received note. " + excp.Message, m_context.Owner));
}
}
/// <summary>
/// Attempts to retrieve the CRM Account details for a dial plan.
/// </summary>
//public CRMAccount GetCRMAccount(string dialPlanName)
//{
// try
// {
// using (SIPSorceryEntities entities = new SIPSorceryEntities())
// {
// return (from crmAcc in entities.CRMAccounts1
// join dialplan in entities.SIPDialPlans on crmAcc.Owner equals dialplan.Owner
// where dialplan.DialPlanName == dialPlanName && crmAcc.Owner == m_context.Owner
// select crmAcc).FirstOrDefault();
// }
// }
// catch (Exception excp)
// {
// logger.Error("Exception GetCRMAccount. " + excp.Message);
// LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Error retrieving CRM Account details for dialplan.", m_context.Owner));
// return null;
// }
//}
/// <summary>
/// Looks up a person contact in the 37 Signals Highrise application.
/// </summary>
/// <param name="url">The URL of the Highrise account to attempt the lookup on.</param>
/// <param name="authToken">The auth token for the Highrise account to attempt the lookup with.</param>
/// <param name="from">The SIP from header of the incoming call to attempt to match on.</param>
/// <param name="addCallNote">If true it indicates a Highrise note should be created if a matching contact is found.</param>
public CRMHeaders LookupHighriseContact(string url, string authToken, SIPFromHeader from, bool addCallNote, bool async)
{
LogToMonitor(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Looking up Highrise contact on " + url + ".", m_context.Owner));
if (async)
{
m_context.SetCallerDetails(new CRMHeaders() { Pending = true });
ThreadPool.QueueUserWorkItem(delegate { DoLookup(url, authToken, from, addCallNote, (result) => { m_context.SetCallerDetails(result); }); });
return null;
}
else
{
return DoLookup(url, authToken, from, addCallNote, null);
}
}
/// <summary>
/// Looks up a person contact in the 37 Signals Highrise application.
/// </summary>
/// <param name="url">The URL of the Highrise account to attempt the lookup on.</param>
/// <param name="authToken">The auth token for the Highrise account to attempt the lookup with.</param>
/// <param name="from">The SIP from header of the incoming call to attempt to match on.</param>
/// <param name="addCallNote">If true it indicates a Highrise note should be created if a matching contact is found.</param>
public void LookupHighriseContact(string url, string authToken, SIPFromHeader from, bool addCallNote)
{
LookupHighriseContact(url, authToken, from.FromName, addCallNote);
}
public SIPRequest GetRequest(SIPMethodsEnum method, SIPURI uri, SIPToHeader to, SIPEndPoint localSIPEndPoint)
{
if (localSIPEndPoint == null)
{
localSIPEndPoint = GetDefaultSIPEndPoint();
}
SIPRequest request = new SIPRequest(method, uri);
request.LocalSIPEndPoint = localSIPEndPoint;
SIPContactHeader contactHeader = new SIPContactHeader(null, new SIPURI(SIPSchemesEnum.sip, localSIPEndPoint));
if (!String.IsNullOrWhiteSpace(m_contactGruu))
{
contactHeader.ContactURI.Parameters.Set("gr", m_contactGruu);
}
SIPFromHeader fromHeader = new SIPFromHeader(null, contactHeader.ContactURI, CallProperties.CreateNewTag());
SIPHeader header = new SIPHeader(contactHeader, fromHeader, to, 1, CallProperties.CreateNewCallId());
request.Header = header;
header.CSeqMethod = method;
header.Allow = ALLOWED_SIP_METHODS;
if (m_serviceRoute != null)
header.Routes.AddBottomRoute(m_serviceRoute);
SIPViaHeader viaHeader = new SIPViaHeader(localSIPEndPoint, CallProperties.CreateBranchId());
header.Vias.PushViaHeader(viaHeader);
return request;
}