From 83a427a8f9ef0ea99beab3f7f196be1f064879c8 Mon Sep 17 00:00:00 2001
From: Melanie <melanie@t-data.com>
Date: Sun, 21 Nov 2010 21:18:03 +0000
Subject: [PATCH] Move Dialplan and Directory from the region module to the
 ROBUST server

---
 .../FreeswitchService/FreeswitchService.cs    | 337 +++++++++++++++++-
 1 file changed, 333 insertions(+), 4 deletions(-)

diff --git a/OpenSim/Services/FreeswitchService/FreeswitchService.cs b/OpenSim/Services/FreeswitchService/FreeswitchService.cs
index 109ef9b81d..b62a65aad5 100644
--- a/OpenSim/Services/FreeswitchService/FreeswitchService.cs
+++ b/OpenSim/Services/FreeswitchService/FreeswitchService.cs
@@ -26,6 +26,7 @@
  */
 
 using System;
+using System.Text;
 using System.Reflection;
 using Nini.Config;
 using log4net;
@@ -46,14 +47,342 @@ namespace OpenSim.Services.FreeswitchService
             // Perform initilialization here
         }
 
-        public Hashtable HandleDirectoryRequest(Hashtable requestBody)
+        public Hashtable HandleDialplanRequest(Hashtable request)
         {
-            return new Hashtable();
+            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(@"<?xml version=""1.0"" encoding=""utf-8""?>
+                   <document type=""freeswitch/xml"">
+                     <section name=""dialplan"">
+                     <context name=""{0}"">" + 
+
+/*                           <!-- dial via SIP uri -->
+                            <extension name=""sip_uri"">
+                                   <condition field=""destination_number"" expression=""^sip:(.*)$"">
+                                   <action application=""bridge"" data=""sofia/${use_profile}/$1""/>
+                                   <!--<action application=""bridge"" data=""$1""/>-->
+                                   </condition>
+                           </extension>*/
+
+                           @"<extension name=""opensim_conferences"">
+                                   <condition field=""destination_number"" expression=""^confctl-(.*)$"">
+                                           <action application=""answer""/>
+                                           <action application=""conference"" data=""$1-{1}@{0}""/>
+                                   </condition>
+                           </extension>
+
+                           <extension name=""opensim_conf"">
+                                   <condition field=""destination_number"" expression=""^conf-(.*)$"">
+                                           <action application=""answer""/>
+                                           <action application=""conference"" data=""$1-{1}@{0}""/>
+                                   </condition>
+                           </extension>
+
+                           <extension name=""avatar"">
+                                   <condition field=""destination_number"" expression=""^(x.*)$"">
+                                           <action application=""bridge"" data=""user/$1""/>
+                                   </condition>
+                           </extension>
+
+                     </context>
+                   </section>
+                   </document>", m_freeSwitchContext, m_freeSwitchRealm);
+            }
+
+            return response;
         }
 
-        public Hashtable HandleDialplanRequest(Hashtable requestBody)
+        public Hashtable HandleDirectoryRequest(Hashtable request)
         {
-            return new Hashtable();
+            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(
+                "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
+                "<document type=\"freeswitch/xml\">\r\n" +
+                    "<section name=\"directory\" description=\"User Directory\">\r\n" +
+                        "<domain name=\"{0}\">\r\n" +
+                            "<user id=\"{1}\">\r\n" +
+                                "<params>\r\n" +
+                                    "<param name=\"password\" value=\"{2}\" />\r\n" +
+                                    "<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
+                                "</params>\r\n" +
+                                "<variables>\r\n" +
+                                    "<variable name=\"user_context\" value=\"{3}\" />\r\n" +
+                                    "<variable name=\"presence_id\" value=\"{1}@{0}\"/>"+
+                                "</variables>\r\n" +
+                            "</user>\r\n" +
+                        "</domain>\r\n" +
+                    "</section>\r\n" +
+                "</document>\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(
+                "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
+                "<document type=\"freeswitch/xml\">\r\n" +
+                    "<section name=\"directory\" description=\"User Directory\">\r\n" +
+                        "<domain name=\"{0}\">\r\n" +
+                            "<user id=\"{1}\">\r\n" +
+                                "<params>\r\n" +
+                                    "<param name=\"password\" value=\"{2}\" />\r\n" +
+                                    "<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${1}@${{dialed_domain}}}}${{sofia_contact(${1}@${{dialed_domain}})}}\"/>\r\n" +
+                                "</params>\r\n" +
+                                "<variables>\r\n" +
+                                    "<variable name=\"user_context\" value=\"{4}\" />\r\n" +
+                                    "<variable name=\"presence_id\" value=\"{1}@$${{domain}}\"/>"+
+                                "</variables>\r\n" +
+                            "</user>\r\n" +
+                            "<user id=\"{3}\">\r\n" +
+                                "<params>\r\n" +
+                                    "<param name=\"password\" value=\"{2}\" />\r\n" +
+                                    "<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${3}@${{dialed_domain}}}}${{sofia_contact(${3}@${{dialed_domain}})}}\"/>\r\n" +
+                                "</params>\r\n" +
+                                "<variables>\r\n" +
+                                    "<variable name=\"user_context\" value=\"{4}\" />\r\n" +
+                                    "<variable name=\"presence_id\" value=\"{3}@$${{domain}}\"/>"+
+                                "</variables>\r\n" +
+                            "</user>\r\n" +
+                        "</domain>\r\n" +
+                    "</section>\r\n" +
+                "</document>\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(
+                "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
+                "<document type=\"freeswitch/xml\">\r\n" +
+                    "<section name=\"directory\" description=\"User Directory\">\r\n" +
+                        "<domain name=\"{0}\">\r\n" +
+                            "<params>\r\n" +
+                                "<param name=\"dial-string\" value=\"{{sip_contact_user=${{dialed_user}}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
+                            "</params>\r\n" +
+                            "<user id=\"{1}\">\r\n" +
+                            "<variables>\r\n"+
+                              "<variable name=\"default_gateway\" value=\"$${{default_provider}}\"/>\r\n"+
+                              "<variable name=\"presence_id\" value=\"{1}@$${{domain}}\"/>"+
+                            "</variables>\r\n"+
+                            "</user>\r\n" +
+                        "</domain>\r\n" +
+                    "</section>\r\n" +
+                "</document>\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(
+                "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
+                "<document type=\"freeswitch/xml\">\r\n" +
+                    "<section name=\"directory\" description=\"User Directory\">\r\n" +
+                        "<domain name=\"{0}\">\r\n" +
+                            "<params>\r\n" +
+                                "<param name=\"dial-string\" value=\"{{sip_contact_user=${{dialed_user}}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
+                            "</params>\r\n" +
+                            "<groups name=\"default\">\r\n"+
+                                "<users>\r\n"+
+                                    "<user id=\"$${{default_provider}}\">\r\n"+
+                                        "<gateways>\r\n"+
+                                          "<gateway name=\"$${{default_provider}}\">\r\n"+
+                                            "<param name=\"username\" value=\"$${{default_provider_username}}\"/>\r\n"+
+                                            "<param name=\"password\" value=\"$${{default_provider_password}}\"/>\r\n"+
+                                            "<param name=\"from-user\" value=\"$${{default_provider_username}}\"/>\r\n"+
+                                            "<param name=\"from-domain\" value=\"$${{default_provider_from_domain}}\"/>\r\n"+
+                                            "<param name=\"expire-seconds\" value=\"600\"/>\r\n"+
+                                            "<param name=\"register\" value=\"$${{default_provider_register}}\"/>\r\n"+
+                                            "<param name=\"retry-seconds\" value=\"30\"/>\r\n"+
+                                            "<param name=\"extension\" value=\"$${{default_provider_contact}}\"/>\r\n"+
+                                            "<param name=\"contact-params\" value=\"domain_name=$${{domain}}\"/>\r\n"+
+                                            "<param name=\"context\" value=\"{1}\"/>\r\n"+
+                                          "</gateway>\r\n"+
+                                        "</gateways>\r\n"+
+                                        "<params>\r\n"+
+                                          "<param name=\"password\" value=\"$${{default_provider_password}}\"/>\r\n"+
+                                        "</params>\r\n"+
+                                      "</user>\r\n"+
+                                "</users>"+
+                            "</groups>\r\n" +
+                            "<variables>\r\n"+
+                              "<variable name=\"default_gateway\" value=\"$${{default_provider}}\"/>\r\n"+
+                            "</variables>\r\n"+
+                        "</domain>\r\n" +
+                    "</section>\r\n" +
+                "</document>\r\n", 
+                domain, Context); 
+             
+            return response;
         }
     }
 }