/// <summary>
/// Processes actions initiated by the callmanager web service EXCEPT for the callback method.
/// </summary>
/// <param name="username">The UNAUTHENTICATED username that was specified in the callmanager request URL.</param>
/// <param name="number">The number parameter that was specified in the callmanager request URL.</param>
/// <param name="dialplanName">The dialplan to use to process web calls, typically this will be ahrd coded to a known dialplan name.</param>
/// <param name="replacesCallID">The replacesCallID parameter that was specified in the callmanager request URL.</param>
/// <returns>A string that is returned to the user making the callmanager request that inidcates what action was taken.</returns>
public string ProcessWebCall(string username, string number, string dialplanName, string replacesCallID)
{
//bool wasExecutionCountIncremented = false;
Customer customer = null;
SIPDialPlan dialPlan = null;
try
{
customer = m_customerPersistor.Get(c => c.CustomerUsername == username);
SIPDialogue replacesDialogue = (!replacesCallID.IsNullOrBlank() && customer != null) ? m_sipDialogueManager.GetDialogueRelaxed(customer.CustomerUsername, replacesCallID) : null;
if (customer == null)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Web " + dialplanName + " rejected for " + username + " and " + number + ", as no matching user.", null));
return "Sorry no matching user was found, the " + dialplanName + " was not initiated.";
}
else if (customer.Suspended)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Web " + dialplanName + " rejected for " + username + " and " + number + ", user account is suspended.", null));
return "Sorry the user's account is suspended.";
}
else if (customer.ServiceLevel == CustomerServiceLevels.PremiumPayReqd.ToString() || customer.ServiceLevel == CustomerServiceLevels.ProfessionalPayReqd.ToString() || customer.ServiceLevel == CustomerServiceLevels.SwitchboardPayReqd.ToString())
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Web " + dialplanName + " rejected for " + username + " and " + number + ", user account requires payment.", null));
return "Sorry the user's account requires payment.";
}
else if (!replacesCallID.IsNullOrBlank() && replacesDialogue == null)
{
return "Sorry the blind transfer could not be initiated, the Call-ID to transfer could not be found.";
}
else
{
dialPlan = GetDialPlan_External(d => d.Owner == username && d.DialPlanName == dialplanName);
if (dialPlan == null)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Web " + dialplanName + " rejected as no " + dialplanName + " dialplan exists.", username));
return "Sorry the specified user has not enabled callbacks, the callback was not initiated.";
}
else
{
if (!IsDialPlanExecutionAllowed(dialPlan, customer))
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Execution of web call for dialplan " + dialplanName + " was not processed as maximum execution count has been reached.", username));
return "Sorry the callback was not initiated, dial plan execution exceeded maximum allowed";
}
else
{
//IncrementDialPlanExecutionCount(dialPlan, customer, originalExecutionCount + 1);
//IncrementCustomerExecutionCount(customer);
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Web call for " + dialplanName + " initialising to " + number + ".", username));
ISIPServerUserAgent uas = null;
if (replacesCallID.IsNullOrBlank())
{
UASInviteTransaction dummyTransaction = GetDummyWebCallbackTransaction(number);
uas = new SIPServerUserAgent(m_sipTransport, m_outboundProxy, username, SIPDomainManager.DEFAULT_LOCAL_DOMAIN, SIPCallDirection.Out, GetSIPAccount_External, null, Log_External, dummyTransaction);
}
else
{
SIPDialogue oppositeDialogue = m_sipDialogueManager.GetOppositeDialogue(replacesDialogue);
uas = new SIPTransferServerUserAgent(Log_External, m_sipDialogueManager.DialogueTransfer, m_sipTransport, m_outboundProxy, replacesDialogue, oppositeDialogue, number, customer.CustomerUsername, customer.AdminId);
m_inProgressTransfers.Add(oppositeDialogue, uas as SIPTransferServerUserAgent);
}
dialPlan.AuthorisedApps = customer.AuthorisedApps + ";" + dialPlan.AuthorisedApps;
DialPlanScriptContext scriptContext = new DialPlanScriptContext(
Log_External,
m_sipTransport,
CreateDialogueBridge,
m_outboundProxy,
uas,
dialPlan,
GetSIPProviders_External(p => p.Owner == username, null, 0, Int32.MaxValue),
m_traceDirectory,
null,
customer,
null,
GetCanonicalDomain_External);
//scriptContext.DialPlanComplete += () => { DecrementCustomerExecutionCount(customer); };
m_dialPlanEngine.Execute(scriptContext, uas, SIPCallDirection.Out, CreateDialogueBridge, this);
if (replacesCallID.IsNullOrBlank())
{
return "Web call was successfully initiated.";
}
else
{
return "Blind transfer was successfully initiated.";
}
}
}
}
}
catch (Exception excp)
{
logger.Error("Exception SIPCallManager ProcessWebCall. " + excp.Message);
//if (wasExecutionCountIncremented)
//{
//DecrementDialPlanExecutionCount(dialPlan, customer.Id, originalExecutionCount);
//DecrementCustomerExecutionCount(customer);
//}
return "Sorry there was an unexpected error, the callback was not initiated.";
}
}
/// <summary>
/// Processes an in dialogue REFER request that specifies a new destination for an existing call leg.
/// </summary>
/// <param name="username">The username of the user the transfer is being processed for.</param>
/// <param name="referTo">The Refer-To header URI from the REFER request.</param>
/// <param name="dialplanName">The dialplan to use to process the transfer.</param>
/// <param name="replacesCallID">The call ID that is being replaced by the new dialogue if one is created.</param>
/// <returns>A SIP server user agent.</returns>
public ISIPServerUserAgent BlindTransfer(string username, SIPURI referTo, string dialplanName, SIPDialogue replacesDialogue)
{
if (dialplanName.IsNullOrBlank())
{
throw new ApplicationException("A dial plan name must be provided when processing a blind transfer.");
}
else if (referTo == null)
{
throw new ApplicationException("The refer to URI cannot be empty when processing a blind transfer.");
}
else if (replacesDialogue == null)
{
throw new ApplicationException("The blind transfer could not be initiated, the dialogue to transfer could not be found.");
}
//bool wasExecutionCountIncremented = false;
Customer customer = null;
SIPDialPlan dialPlan = null;
try
{
customer = m_customerPersistor.Get(c => c.CustomerUsername == username);
if (customer == null)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Blind transfer using dialplan " + dialplanName + " rejected for " + username + " and " + referTo.ToString() + ", as no matching user.", username));
throw new ApplicationException("No matching user was found, the blind transfer was not initiated.");
}
else if (customer.Suspended)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Blind transfer using dialplan " + dialplanName + " rejected for " + username + " and " + referTo.ToString() + ", user account is suspended.", username));
throw new ApplicationException("The user's account is suspended, the blind transfer was not initiated.");
}
else
{
dialPlan = GetDialPlan_External(d => d.Owner == username && d.DialPlanName == dialplanName);
if (dialPlan == null)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Blind transfer rejected as no " + dialplanName + " dialplan exists.", username));
throw new ApplicationException("The blind transfer could not be initiated, no dialplan with name " + dialplanName + " could be found.");
}
else
{
if (!IsDialPlanExecutionAllowed(dialPlan, customer))
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Execution of blind transfer for dialplan " + dialplanName + " was not processed as maximum execution count has been reached.", username));
throw new ApplicationException("The blind transfer was not initiated, dial plan execution exceeded maximum allowed");
}
else
{
//IncrementCustomerExecutionCount(customer);
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Blind transfer for dialplan " + dialplanName + " starting for " + referTo.ToString() + ".", username));
SIPDialogue oppositeDialogue = m_sipDialogueManager.GetOppositeDialogue(replacesDialogue);
ISIPServerUserAgent uas = new SIPTransferServerUserAgent(Log_External, m_sipDialogueManager.DialogueTransfer, m_sipTransport, m_outboundProxy, replacesDialogue, oppositeDialogue, referTo.ToString(), customer.CustomerUsername, customer.AdminId);
DialPlanScriptContext scriptContext = new DialPlanScriptContext(
Log_External,
m_sipTransport,
CreateDialogueBridge,
m_outboundProxy,
uas,
dialPlan,
GetSIPProviders_External(p => p.Owner == username, null, 0, Int32.MaxValue),
m_traceDirectory,
null,
customer,
null,
GetCanonicalDomain_External);
//scriptContext.DialPlanComplete += () => { DecrementCustomerExecutionCount(customer); };
m_dialPlanEngine.Execute(scriptContext, uas, SIPCallDirection.Out, CreateDialogueBridge, this);
return uas;
}
}
}
}
catch (ApplicationException)
{
throw;
}
catch (Exception excp)
{
logger.Error("Exception SIPCallManager BlindTransfer. " + excp.Message);
//if (wasExecutionCountIncremented)
//{
//DecrementDialPlanExecutionCount(dialPlan, customer.Id, originalExecutionCount);
//DecrementCustomerExecutionCount(customer);
//}
throw;
}
}