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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSimulator Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27.  
  28. using System;
  29. using System.Text;
  30. using System.Reflection;
  31. using Nini.Config;
  32. using log4net;
  33. using OpenSim.Framework;
  34. using OpenSim.Data;
  35. using OpenSim.Services.Interfaces;
  36. using OpenMetaverse;
  37. using OpenMetaverse.StructuredData;
  38. using System.Collections;
  39.  
  40. namespace OpenSim.Services.FreeswitchService
  41. {
  42. public class FreeswitchService : FreeswitchServiceBase, IFreeswitchService
  43. {
  44. private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  45.  
  46. public FreeswitchService(IConfigSource config) : base(config)
  47. {
  48. // Perform initilialization here
  49. }
  50.  
  51. public Hashtable HandleDialplanRequest(Hashtable request)
  52. {
  53. m_log.DebugFormat("[FreeSwitchVoice]: HandleDialplanRequest called with {0}",request.ToString());
  54.  
  55. Hashtable response = new Hashtable();
  56.  
  57. // foreach (DictionaryEntry item in request)
  58. // {
  59. //// m_log.InfoFormat("[FreeSwitchDirectory]: requestBody item {0} {1}",item.Key, item.Value);
  60. // }
  61.  
  62. string requestcontext = (string) request["Hunt-Context"];
  63. response["content_type"] = "text/xml";
  64. response["keepalive"] = false;
  65. response["int_response_code"] = 200;
  66.  
  67. if (m_freeSwitchContext != String.Empty && m_freeSwitchContext != requestcontext)
  68. {
  69. m_log.Debug("[FreeSwitchDirectory]: returning empty as it's for another context");
  70. response["str_response_string"] = "";
  71. }
  72. else
  73. {
  74. response["str_response_string"] = String.Format(@"<?xml version=""1.0"" encoding=""utf-8""?>
  75. <document type=""freeswitch/xml"">
  76. <section name=""dialplan"">
  77. <context name=""{0}"">" +
  78.  
  79. /* <!-- dial via SIP uri -->
  80. <extension name=""sip_uri"">
  81. <condition field=""destination_number"" expression=""^sip:(.*)$"">
  82. <action application=""bridge"" data=""sofia/${use_profile}/$1""/>
  83. <!--<action application=""bridge"" data=""$1""/>-->
  84. </condition>
  85. </extension>*/
  86.  
  87. @"<extension name=""opensim_conferences"">
  88. <condition field=""destination_number"" expression=""^confctl-(.*)$"">
  89. <action application=""answer""/>
  90. <action application=""conference"" data=""$1-{1}@{0}""/>
  91. </condition>
  92. </extension>
  93.  
  94. <extension name=""opensim_conf"">
  95. <condition field=""destination_number"" expression=""^conf-(.*)$"">
  96. <action application=""answer""/>
  97. <action application=""conference"" data=""$1-{1}@{0}""/>
  98. </condition>
  99. </extension>
  100.  
  101. <extension name=""avatar"">
  102. <condition field=""destination_number"" expression=""^(x.*)$"">
  103. <action application=""bridge"" data=""user/$1""/>
  104. </condition>
  105. </extension>
  106.  
  107. </context>
  108. </section>
  109. </document>", m_freeSwitchContext, m_freeSwitchRealm);
  110. }
  111.  
  112. return response;
  113. }
  114.  
  115. public Hashtable HandleDirectoryRequest(Hashtable request)
  116. {
  117. Hashtable response = new Hashtable();
  118. string domain = (string) request["domain"];
  119. if (domain != m_freeSwitchRealm)
  120. {
  121. response["content_type"] = "text/xml";
  122. response["keepalive"] = false;
  123. response["int_response_code"] = 200;
  124. response["str_response_string"] = "";
  125. }
  126. else
  127. {
  128. // m_log.DebugFormat("[FreeSwitchDirectory]: HandleDirectoryRequest called with {0}",request.ToString());
  129.  
  130. // information in the request we might be interested in
  131.  
  132. // Request 1 sip_auth for users account
  133.  
  134. //Event-Calling-Function=sofia_reg_parse_auth
  135. //Event-Calling-Line-Number=1494
  136. //action=sip_auth
  137. //sip_user_agent=Vivox-SDK-2.1.3010.6151-Mac%20(Feb-11-2009/16%3A42%3A41)
  138. //sip_auth_username=xhZuXKmRpECyr2AARJYyGgg%3D%3D (==)
  139. //sip_auth_realm=9.20.151.43
  140. //sip_contact_user=xhZuXKmRpECyr2AARJYyGgg%3D%3D (==)
  141. //sip_contact_host=192.168.0.3 // this shouldnt really be a local IP, investigate STUN servers
  142. //sip_to_user=xhZuXKmRpECyr2AARJYyGgg%3D%3D
  143. //sip_to_host=9.20.151.43
  144. //sip_auth_method=REGISTER
  145. //user=xhZuXKmRpECyr2AARJYyGgg%3D%3D
  146. //domain=9.20.151.43
  147. //ip=9.167.220.137 // this is the correct IP rather than sip_contact_host above when through a vpn or NAT setup
  148.  
  149. // foreach (DictionaryEntry item in request)
  150. // m_log.DebugFormat("[FreeSwitchDirectory]: requestBody item {0} {1}", item.Key, item.Value);
  151.  
  152. string eventCallingFunction = (string) request["Event-Calling-Function"];
  153. if (eventCallingFunction == null)
  154. {
  155. eventCallingFunction = "sofia_reg_parse_auth";
  156. }
  157.  
  158. if (eventCallingFunction.Length == 0)
  159. {
  160. eventCallingFunction = "sofia_reg_parse_auth";
  161. }
  162.  
  163. if (eventCallingFunction == "sofia_reg_parse_auth")
  164. {
  165. string sipAuthMethod = (string)request["sip_auth_method"];
  166.  
  167. if (sipAuthMethod == "REGISTER")
  168. {
  169. response = HandleRegister(m_freeSwitchContext, m_freeSwitchRealm, request);
  170. }
  171. else if (sipAuthMethod == "INVITE")
  172. {
  173. response = HandleInvite(m_freeSwitchContext, m_freeSwitchRealm, request);
  174. }
  175. else
  176. {
  177. m_log.ErrorFormat("[FreeSwitchVoice]: HandleDirectoryRequest unknown sip_auth_method {0}",sipAuthMethod);
  178. response["int_response_code"] = 404;
  179. response["content_type"] = "text/xml";
  180. response["str_response_string"] = "";
  181. }
  182. }
  183. else if (eventCallingFunction == "switch_xml_locate_user")
  184. {
  185. response = HandleLocateUser(m_freeSwitchRealm, request);
  186. }
  187. else if (eventCallingFunction == "user_data_function") // gets called when an avatar to avatar call is made
  188. {
  189. response = HandleLocateUser(m_freeSwitchRealm, request);
  190. }
  191. else if (eventCallingFunction == "user_outgoing_channel")
  192. {
  193. response = HandleRegister(m_freeSwitchContext, m_freeSwitchRealm, request);
  194. }
  195. else if (eventCallingFunction == "config_sofia") // happens once on freeswitch startup
  196. {
  197. response = HandleConfigSofia(m_freeSwitchContext, m_freeSwitchRealm, request);
  198. }
  199. else if (eventCallingFunction == "switch_load_network_lists")
  200. {
  201. //response = HandleLoadNetworkLists(request);
  202. response["int_response_code"] = 404;
  203. response["keepalive"] = false;
  204. response["content_type"] = "text/xml";
  205. response["str_response_string"] = "";
  206. }
  207. else
  208. {
  209. m_log.ErrorFormat("[FreeSwitchVoice]: HandleDirectoryRequest unknown Event-Calling-Function {0}",eventCallingFunction);
  210. response["int_response_code"] = 404;
  211. response["keepalive"] = false;
  212. response["content_type"] = "text/xml";
  213. response["str_response_string"] = "";
  214. }
  215. }
  216. return response;
  217. }
  218.  
  219. private Hashtable HandleRegister(string Context, string Realm, Hashtable request)
  220. {
  221. m_log.Info("[FreeSwitchDirectory]: HandleRegister called");
  222.  
  223. // TODO the password we return needs to match that sent in the request, this is hard coded for now
  224. string password = "1234";
  225. string domain = (string) request["domain"];
  226. string user = (string) request["user"];
  227.  
  228. Hashtable response = new Hashtable();
  229. response["content_type"] = "text/xml";
  230. response["keepalive"] = false;
  231. response["int_response_code"] = 200;
  232.  
  233. response["str_response_string"] = String.Format(
  234. "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
  235. "<document type=\"freeswitch/xml\">\r\n" +
  236. "<section name=\"directory\" description=\"User Directory\">\r\n" +
  237. "<domain name=\"{0}\">\r\n" +
  238. "<user id=\"{1}\">\r\n" +
  239. "<params>\r\n" +
  240. "<param name=\"password\" value=\"{2}\" />\r\n" +
  241. "<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
  242. "</params>\r\n" +
  243. "<variables>\r\n" +
  244. "<variable name=\"user_context\" value=\"{3}\" />\r\n" +
  245. "<variable name=\"presence_id\" value=\"{1}@{0}\"/>"+
  246. "</variables>\r\n" +
  247. "</user>\r\n" +
  248. "</domain>\r\n" +
  249. "</section>\r\n" +
  250. "</document>\r\n",
  251. domain , user, password, Context);
  252.  
  253. return response;
  254. }
  255.  
  256. private Hashtable HandleInvite(string Context, string Realm, Hashtable request)
  257. {
  258. m_log.Info("[FreeSwitchDirectory]: HandleInvite called");
  259.  
  260. // TODO the password we return needs to match that sent in the request, this is hard coded for now
  261. string password = "1234";
  262. string domain = (string) request["domain"];
  263. string user = (string) request["user"];
  264. string sipRequestUser = (string) request["sip_request_user"];
  265.  
  266. Hashtable response = new Hashtable();
  267. response["content_type"] = "text/xml";
  268. response["keepalive"] = false;
  269. response["int_response_code"] = 200;
  270. response["str_response_string"] = String.Format(
  271. "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
  272. "<document type=\"freeswitch/xml\">\r\n" +
  273. "<section name=\"directory\" description=\"User Directory\">\r\n" +
  274. "<domain name=\"{0}\">\r\n" +
  275. "<user id=\"{1}\">\r\n" +
  276. "<params>\r\n" +
  277. "<param name=\"password\" value=\"{2}\" />\r\n" +
  278. "<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${1}@${{dialed_domain}}}}${{sofia_contact(${1}@${{dialed_domain}})}}\"/>\r\n" +
  279. "</params>\r\n" +
  280. "<variables>\r\n" +
  281. "<variable name=\"user_context\" value=\"{4}\" />\r\n" +
  282. "<variable name=\"presence_id\" value=\"{1}@$${{domain}}\"/>"+
  283. "</variables>\r\n" +
  284. "</user>\r\n" +
  285. "<user id=\"{3}\">\r\n" +
  286. "<params>\r\n" +
  287. "<param name=\"password\" value=\"{2}\" />\r\n" +
  288. "<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${3}@${{dialed_domain}}}}${{sofia_contact(${3}@${{dialed_domain}})}}\"/>\r\n" +
  289. "</params>\r\n" +
  290. "<variables>\r\n" +
  291. "<variable name=\"user_context\" value=\"{4}\" />\r\n" +
  292. "<variable name=\"presence_id\" value=\"{3}@$${{domain}}\"/>"+
  293. "</variables>\r\n" +
  294. "</user>\r\n" +
  295. "</domain>\r\n" +
  296. "</section>\r\n" +
  297. "</document>\r\n",
  298. domain , user, password,sipRequestUser, Context);
  299.  
  300. return response;
  301. }
  302.  
  303. private Hashtable HandleLocateUser(String Realm, Hashtable request)
  304. {
  305. m_log.Info("[FreeSwitchDirectory]: HandleLocateUser called");
  306.  
  307. // TODO the password we return needs to match that sent in the request, this is hard coded for now
  308. string domain = (string) request["domain"];
  309. string user = (string) request["user"];
  310.  
  311. Hashtable response = new Hashtable();
  312. response["content_type"] = "text/xml";
  313. response["keepalive"] = false;
  314. response["int_response_code"] = 200;
  315. response["str_response_string"] = String.Format(
  316. "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
  317. "<document type=\"freeswitch/xml\">\r\n" +
  318. "<section name=\"directory\" description=\"User Directory\">\r\n" +
  319. "<domain name=\"{0}\">\r\n" +
  320. "<params>\r\n" +
  321. "<param name=\"dial-string\" value=\"{{sip_contact_user=${{dialed_user}}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
  322. "</params>\r\n" +
  323. "<user id=\"{1}\">\r\n" +
  324. "<variables>\r\n"+
  325. "<variable name=\"default_gateway\" value=\"$${{default_provider}}\"/>\r\n"+
  326. "<variable name=\"presence_id\" value=\"{1}@$${{domain}}\"/>"+
  327. "</variables>\r\n"+
  328. "</user>\r\n" +
  329. "</domain>\r\n" +
  330. "</section>\r\n" +
  331. "</document>\r\n",
  332. domain , user);
  333.  
  334. return response;
  335. }
  336.  
  337. private Hashtable HandleConfigSofia(string Context, string Realm, Hashtable request)
  338. {
  339. m_log.Info("[FreeSwitchDirectory]: HandleConfigSofia called.");
  340.  
  341. // TODO the password we return needs to match that sent in the request, this is hard coded for now
  342. string domain = (string) request["domain"];
  343.  
  344. Hashtable response = new Hashtable();
  345. response["content_type"] = "text/xml";
  346. response["keepalive"] = false;
  347. response["int_response_code"] = 200;
  348. response["str_response_string"] = String.Format(
  349. "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
  350. "<document type=\"freeswitch/xml\">\r\n" +
  351. "<section name=\"directory\" description=\"User Directory\">\r\n" +
  352. "<domain name=\"{0}\">\r\n" +
  353. "<params>\r\n" +
  354. "<param name=\"dial-string\" value=\"{{sip_contact_user=${{dialed_user}}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
  355. "</params>\r\n" +
  356. "<groups name=\"default\">\r\n"+
  357. "<users>\r\n"+
  358. "<user id=\"$${{default_provider}}\">\r\n"+
  359. "<gateways>\r\n"+
  360. "<gateway name=\"$${{default_provider}}\">\r\n"+
  361. "<param name=\"username\" value=\"$${{default_provider_username}}\"/>\r\n"+
  362. "<param name=\"password\" value=\"$${{default_provider_password}}\"/>\r\n"+
  363. "<param name=\"from-user\" value=\"$${{default_provider_username}}\"/>\r\n"+
  364. "<param name=\"from-domain\" value=\"$${{default_provider_from_domain}}\"/>\r\n"+
  365. "<param name=\"expire-seconds\" value=\"600\"/>\r\n"+
  366. "<param name=\"register\" value=\"$${{default_provider_register}}\"/>\r\n"+
  367. "<param name=\"retry-seconds\" value=\"30\"/>\r\n"+
  368. "<param name=\"extension\" value=\"$${{default_provider_contact}}\"/>\r\n"+
  369. "<param name=\"contact-params\" value=\"domain_name=$${{domain}}\"/>\r\n"+
  370. "<param name=\"context\" value=\"{1}\"/>\r\n"+
  371. "</gateway>\r\n"+
  372. "</gateways>\r\n"+
  373. "<params>\r\n"+
  374. "<param name=\"password\" value=\"$${{default_provider_password}}\"/>\r\n"+
  375. "</params>\r\n"+
  376. "</user>\r\n"+
  377. "</users>"+
  378. "</groups>\r\n" +
  379. "<variables>\r\n"+
  380. "<variable name=\"default_gateway\" value=\"$${{default_provider}}\"/>\r\n"+
  381. "</variables>\r\n"+
  382. "</domain>\r\n" +
  383. "</section>\r\n" +
  384. "</document>\r\n",
  385. domain, Context);
  386.  
  387. return response;
  388. }
  389.  
  390. public string GetJsonConfig()
  391. {
  392. OSDMap map = new OSDMap(9);
  393.  
  394. map.Add("Realm", m_freeSwitchRealm);
  395. map.Add("SIPProxy", m_freeSwitchSIPProxy);
  396. map.Add("AttemptUseSTUN", m_freeSwitchAttemptUseSTUN);
  397. map.Add("EchoServer", m_freeSwitchEchoServer);
  398. map.Add("EchoPort", m_freeSwitchEchoPort);
  399. map.Add("DefaultWellKnownIP", m_freeSwitchDefaultWellKnownIP);
  400. map.Add("DefaultTimeout", m_freeSwitchDefaultTimeout);
  401. map.Add("Context", m_freeSwitchContext);
  402. map.Add("APIPrefix", m_freeSwitchAPIPrefix);
  403.  
  404. return OSDParser.SerializeJsonString(map);
  405. }
  406. }
  407. }
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