/* * 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 OpenSimulator 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 System; using System.Text; using System.Reflection; using Nini.Config; using log4net; using OpenSim.Framework; using OpenSim.Data; using OpenSim.Services.Interfaces; using OpenMetaverse; using OpenMetaverse.StructuredData; using System.Collections; namespace OpenSim.Services.FreeswitchService { public class FreeswitchService : FreeswitchServiceBase, IFreeswitchService { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); public FreeswitchService(IConfigSource config) : base(config) { // Perform initilialization here } public Hashtable HandleDialplanRequest(Hashtable request) { m_log.DebugFormat("[FreeSwitchVoice] HandleDialplanRequest called with {0}",request.ToString()); Hashtable response = new Hashtable(); foreach (DictionaryEntry item in request) { m_log.InfoFormat("[FreeSwitchDirectory] requestBody item {0} {1}",item.Key, item.Value); } string requestcontext = (string) request["Hunt-Context"]; response["content_type"] = "text/xml"; response["keepalive"] = false; response["int_response_code"] = 200; if (m_freeSwitchContext != String.Empty && m_freeSwitchContext != requestcontext) { m_log.Debug("[FreeSwitchDirectory] returning empty as it's for another context"); response["str_response_string"] = ""; } else { response["str_response_string"] = String.Format(@"
" + /* */ @"
", m_freeSwitchContext, m_freeSwitchRealm); } return response; } public Hashtable HandleDirectoryRequest(Hashtable request) { Hashtable response = new Hashtable(); string domain = (string) request["domain"]; if (domain != m_freeSwitchRealm) { response["content_type"] = "text/xml"; response["keepalive"] = false; response["int_response_code"] = 200; response["str_response_string"] = ""; } else { m_log.DebugFormat("[FreeSwitchDirectory] HandleDirectoryRequest called with {0}",request.ToString()); // 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(m_freeSwitchContext, m_freeSwitchRealm, request); } else if (sipAuthMethod == "INVITE") { response = HandleInvite(m_freeSwitchContext, m_freeSwitchRealm, request); } else { m_log.ErrorFormat("[FreeSwitchVoice] HandleDirectoryRequest unknown sip_auth_method {0}",sipAuthMethod); response["int_response_code"] = 404; response["content_type"] = "text/xml"; response["str_response_string"] = ""; } } else if (eventCallingFunction == "switch_xml_locate_user") { response = HandleLocateUser(m_freeSwitchRealm, request); } else if (eventCallingFunction == "user_data_function") // gets called when an avatar to avatar call is made { response = HandleLocateUser(m_freeSwitchRealm, request); } else if (eventCallingFunction == "user_outgoing_channel") { response = HandleRegister(m_freeSwitchContext, m_freeSwitchRealm, request); } else if (eventCallingFunction == "config_sofia") // happens once on freeswitch startup { response = HandleConfigSofia(m_freeSwitchContext, m_freeSwitchRealm, 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(string Context, string Realm, 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, Context); return response; } private Hashtable HandleInvite(string Context, string Realm, 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, Context); return response; } private Hashtable HandleLocateUser(String Realm, 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(string Context, string Realm, 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, Context); return response; } public string GetJsonConfig() { OSDMap map = new OSDMap(11); map.Add("Realm", m_freeSwitchRealm); map.Add("SIPProxy", m_freeSwitchSIPProxy); map.Add("AttemptUseSTUN", m_freeSwitchAttemptUseSTUN); map.Add("EchoServer", m_freeSwitchEchoServer); map.Add("EchoPort", m_freeSwitchEchoPort); map.Add("DefaultWellKnownIP", m_freeSwitchDefaultWellKnownIP); map.Add("DefaultTimeout", m_freeSwitchDefaultTimeout); map.Add("Context", m_freeSwitchContext); map.Add("ServerUser", m_freeSwitchServerUser); map.Add("ServerPass", m_freeSwitchServerPass); map.Add("APIPrefix", m_freeSwitchAPIPrefix); return OSDParser.SerializeJsonString(map); } } }