/* * 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 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(string Context, string Realm, Hashtable request) { Hashtable response = new Hashtable(); string domain = (string) request["domain"]; if (domain != Realm) { 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(Context, Realm, request); } else if (sipAuthMethod == "INVITE") { response = HandleInvite(Context, Realm, 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(Realm, request); } else if (eventCallingFunction == "user_data_function") // gets called when an avatar to avatar call is made { response = HandleLocateUser(Realm, request); } else if (eventCallingFunction == "user_outgoing_channel") { response = HandleRegister(Context, Realm, request); } else if (eventCallingFunction == "config_sofia") // happens once on freeswitch startup { response = HandleConfigSofia(Context, Realm, 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=\"$${{default_provider}}\"/>\r\n"+ "</variables>\r\n"+ "</domain>\r\n" + "</section>\r\n" + "</document>\r\n", domain, Context); return response; } // private Hashtable HandleLoadNetworkLists(Hashtable request) // { // m_log.Info("[FreeSwitchDirectory] HandleLoadNetworkLists called"); // // // TODO the password we return needs to match that sent in the request, this is hard coded for now // string domain = (string) request["domain"]; // // Hashtable response = new Hashtable(); // response["content_type"] = "text/xml"; // response["keepalive"] = false; // response["int_response_code"] = 200; // response["str_response_string"] = String.Format( // "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" + // "<document type=\"freeswitch/xml\">\r\n" + // "<section name=\"directory\" description=\"User Directory\">\r\n" + // "<domain name=\"{0}\">\r\n" + // "<params>\r\n" + // "<param name=\"dial-string\" value=\"{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" + // "</params>\r\n" + // "<groups name=\"default\"><users/></groups>\r\n" + // "<variables>\r\n"+ // "<variable name=\"default_gateway\" value=\"$${{default_provider}}\"/>\r\n"+ // "</variables>\r\n"+ // "</domain>\r\n" + // "</section>\r\n" + // "</document>\r\n", // domain); // // // return response; // } } }