/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using log4net;
using System;
using System.Reflection;
using System.Text;
using System.Collections;
namespace OpenSim.Region.OptionalModules.Avatar.Voice.FreeSwitchVoice
{
public class FreeSwitchDirectory
{
private static readonly ILog m_log =
LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public Hashtable HandleDirectoryRequest(Hashtable request)
{
m_log.DebugFormat("[FreeSwitchDirectory] HandleDirectoryRequest called with {0}",request.ToString());
Hashtable response = new Hashtable();
// information in the request we might be interested in
// Request 1 sip_auth for users account
//Event-Calling-Function=sofia_reg_parse_auth
//Event-Calling-Line-Number=1494
//action=sip_auth
//sip_user_agent=Vivox-SDK-2.1.3010.6151-Mac%20(Feb-11-2009/16%3A42%3A41)
//sip_auth_username=xhZuXKmRpECyr2AARJYyGgg%3D%3D (==)
//sip_auth_realm=9.20.151.43
//sip_contact_user=xhZuXKmRpECyr2AARJYyGgg%3D%3D (==)
//sip_contact_host=192.168.0.3 // this shouldnt really be a local IP, investigate STUN servers
//sip_to_user=xhZuXKmRpECyr2AARJYyGgg%3D%3D
//sip_to_host=9.20.151.43
//sip_auth_method=REGISTER
//user=xhZuXKmRpECyr2AARJYyGgg%3D%3D
//domain=9.20.151.43
//ip=9.167.220.137 // this is the correct IP rather than sip_contact_host above when through a vpn or NAT setup
foreach (DictionaryEntry item in request)
{
m_log.InfoFormat("[FreeSwitchDirectory] requestBody item {0} {1}",item.Key, item.Value);
}
string eventCallingFunction = (string) request["Event-Calling-Function"];
if (eventCallingFunction == null)
{
eventCallingFunction = "sofia_reg_parse_auth";
}
if (eventCallingFunction.Length == 0)
{
eventCallingFunction = "sofia_reg_parse_auth";
}
if (eventCallingFunction=="sofia_reg_parse_auth")
{
string sipAuthMethod = (string)request["sip_auth_method"];
if (sipAuthMethod=="REGISTER")
{
response = HandleRegister(request);
}
else if (sipAuthMethod=="INVITE")
{
response = HandleInvite(request);
}
else
{
m_log.ErrorFormat("[FreeSwitchVoice] HandleDirectoryRequest unknown sip_auth_method {0}",sipAuthMethod);
response["int_response_code"]=404;
}
}
else if (eventCallingFunction=="switch_xml_locate_user")
{
response = HandleLocateUser(request);
}
else if (eventCallingFunction=="user_data_function") // gets called when an avatar to avatar call is made
{
response = HandleLocateUser(request);
}
else if (eventCallingFunction=="user_outgoing_channel")
{
response = HandleRegister(request);
}
else if (eventCallingFunction=="config_sofia") // happens once on freeswitch startup
{
response = HandleConfigSofia(request);
}
else if (eventCallingFunction=="switch_load_network_lists")
{
//response = HandleLoadNetworkLists(request);
response["int_response_code"]=404;
response["keepalive"] = false;
response["content_type"] = "text/xml";
response["str_response_string"] = "";
}
else
{
m_log.ErrorFormat("[FreeSwitchVoice] HandleDirectoryRequest unknown Event-Calling-Function {0}",eventCallingFunction);
response["int_response_code"]=404;
response["keepalive"] = false;
response["content_type"] = "text/xml";
response["str_response_string"] = "";
}
return response;
}
private Hashtable HandleRegister(Hashtable request)
{
m_log.Info("[FreeSwitchDirectory] HandleRegister called");
// TODO the password we return needs to match that sent in the request, this is hard coded for now
string password = "1234";
string domain = (string) request["domain"];
string user = (string) request["user"];
Hashtable response = new Hashtable();
response["content_type"] = "text/xml";
response["keepalive"] = false;
response["int_response_code"]=200;
response["str_response_string"] = String.Format(
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
""+
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n"
, domain , user, password);
return response;
}
private Hashtable HandleInvite(Hashtable request)
{
m_log.Info("[FreeSwitchDirectory] HandleInvite called");
// TODO the password we return needs to match that sent in the request, this is hard coded for now
string password = "1234";
string domain = (string) request["domain"];
string user = (string) request["user"];
string sipRequestUser = (string) request["sip_request_user"];
Hashtable response = new Hashtable();
response["content_type"] = "text/xml";
response["keepalive"] = false;
response["int_response_code"]=200;
response["str_response_string"] = String.Format(
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
""+
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
""+
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n"
, domain , user, password,sipRequestUser);
return response;
}
private Hashtable HandleLocateUser(Hashtable request)
{
m_log.Info("[FreeSwitchDirectory] HandleLocateUser called");
// TODO the password we return needs to match that sent in the request, this is hard coded for now
string domain = (string) request["domain"];
string user = (string) request["user"];
Hashtable response = new Hashtable();
response["content_type"] = "text/xml";
response["keepalive"] = false;
response["int_response_code"]=200;
response["str_response_string"] = String.Format(
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n"+
"\r\n"+
""+
"\r\n"+
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n"
, domain , user);
return response;
}
private Hashtable HandleConfigSofia(Hashtable request)
{
m_log.Info("[FreeSwitchDirectory] HandleConfigSofia called");
// TODO the password we return needs to match that sent in the request, this is hard coded for now
string domain = (string) request["domain"];
Hashtable response = new Hashtable();
response["content_type"] = "text/xml";
response["keepalive"] = false;
response["int_response_code"]=200;
response["str_response_string"] = String.Format(
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n"+
""+
"\r\n" +
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n" +
"\r\n" +
"\r\n"
, domain);
return response;
}
private Hashtable HandleLoadNetworkLists(Hashtable request)
{
m_log.Info("[FreeSwitchDirectory] HandleLoadNetworkLists called");
// TODO the password we return needs to match that sent in the request, this is hard coded for now
string domain = (string) request["domain"];
Hashtable response = new Hashtable();
response["content_type"] = "text/xml";
response["keepalive"] = false;
response["int_response_code"]=200;
response["str_response_string"] = String.Format(
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n" +
"\r\n"+
"\r\n"+
"\r\n"+
"\r\n" +
"\r\n" +
"\r\n"
, domain);
return response;
}
}
}