PresenceServerPostHandler.cs 10 KB

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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. using Nini.Config;
  28. using log4net;
  29. using System;
  30. using System.Reflection;
  31. using System.IO;
  32. using System.Net;
  33. using System.Text;
  34. using System.Text.RegularExpressions;
  35. using System.Xml;
  36. using System.Xml.Serialization;
  37. using System.Collections.Generic;
  38. using OpenSim.Server.Base;
  39. using OpenSim.Services.Interfaces;
  40. using OpenSim.Framework;
  41. using OpenSim.Framework.Servers.HttpServer;
  42. using OpenMetaverse;
  43. namespace OpenSim.Server.Handlers.Presence
  44. {
  45. public class PresenceServerPostHandler : BaseStreamHandler
  46. {
  47. private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  48. private IPresenceService m_PresenceService;
  49. public PresenceServerPostHandler(IPresenceService service) :
  50. base("POST", "/presence")
  51. {
  52. m_PresenceService = service;
  53. }
  54. public override byte[] Handle(string path, Stream requestData,
  55. OSHttpRequest httpRequest, OSHttpResponse httpResponse)
  56. {
  57. StreamReader sr = new StreamReader(requestData);
  58. string body = sr.ReadToEnd();
  59. sr.Close();
  60. body = body.Trim();
  61. //m_log.DebugFormat("[XXX]: query String: {0}", body);
  62. string method = string.Empty;
  63. try
  64. {
  65. Dictionary<string, object> request =
  66. ServerUtils.ParseQueryString(body);
  67. if (!request.ContainsKey("METHOD"))
  68. return FailureResult();
  69. method = request["METHOD"].ToString();
  70. switch (method)
  71. {
  72. case "login":
  73. return LoginAgent(request);
  74. case "logout":
  75. return LogoutAgent(request);
  76. case "logoutregion":
  77. return LogoutRegionAgents(request);
  78. case "report":
  79. return Report(request);
  80. case "getagent":
  81. return GetAgent(request);
  82. case "getagents":
  83. return GetAgents(request);
  84. }
  85. m_log.DebugFormat("[PRESENCE HANDLER]: unknown method request: {0}", method);
  86. }
  87. catch (Exception e)
  88. {
  89. m_log.DebugFormat("[PRESENCE HANDLER]: Exception in method {0}: {1}", method, e);
  90. }
  91. return FailureResult();
  92. }
  93. byte[] LoginAgent(Dictionary<string, object> request)
  94. {
  95. string user = String.Empty;
  96. UUID session = UUID.Zero;
  97. UUID ssession = UUID.Zero;
  98. if (!request.ContainsKey("UserID") || !request.ContainsKey("SessionID"))
  99. return FailureResult();
  100. user = request["UserID"].ToString();
  101. if (!UUID.TryParse(request["SessionID"].ToString(), out session))
  102. return FailureResult();
  103. if (request.ContainsKey("SecureSessionID"))
  104. // If it's malformed, we go on with a Zero on it
  105. UUID.TryParse(request["SecureSessionID"].ToString(), out ssession);
  106. if (m_PresenceService.LoginAgent(user, session, ssession))
  107. return SuccessResult();
  108. return FailureResult();
  109. }
  110. byte[] LogoutAgent(Dictionary<string, object> request)
  111. {
  112. UUID session = UUID.Zero;
  113. if (!request.ContainsKey("SessionID"))
  114. return FailureResult();
  115. if (!UUID.TryParse(request["SessionID"].ToString(), out session))
  116. return FailureResult();
  117. if (m_PresenceService.LogoutAgent(session))
  118. return SuccessResult();
  119. return FailureResult();
  120. }
  121. byte[] LogoutRegionAgents(Dictionary<string, object> request)
  122. {
  123. UUID region = UUID.Zero;
  124. if (!request.ContainsKey("RegionID"))
  125. return FailureResult();
  126. if (!UUID.TryParse(request["RegionID"].ToString(), out region))
  127. return FailureResult();
  128. if (m_PresenceService.LogoutRegionAgents(region))
  129. return SuccessResult();
  130. return FailureResult();
  131. }
  132. byte[] Report(Dictionary<string, object> request)
  133. {
  134. UUID session = UUID.Zero;
  135. UUID region = UUID.Zero;
  136. if (!request.ContainsKey("SessionID") || !request.ContainsKey("RegionID"))
  137. return FailureResult();
  138. if (!UUID.TryParse(request["SessionID"].ToString(), out session))
  139. return FailureResult();
  140. if (!UUID.TryParse(request["RegionID"].ToString(), out region))
  141. return FailureResult();
  142. if (m_PresenceService.ReportAgent(session, region))
  143. {
  144. return SuccessResult();
  145. }
  146. return FailureResult();
  147. }
  148. byte[] GetAgent(Dictionary<string, object> request)
  149. {
  150. UUID session = UUID.Zero;
  151. if (!request.ContainsKey("SessionID"))
  152. return FailureResult();
  153. if (!UUID.TryParse(request["SessionID"].ToString(), out session))
  154. return FailureResult();
  155. PresenceInfo pinfo = m_PresenceService.GetAgent(session);
  156. Dictionary<string, object> result = new Dictionary<string, object>();
  157. if (pinfo == null)
  158. result["result"] = "null";
  159. else
  160. result["result"] = pinfo.ToKeyValuePairs();
  161. string xmlString = ServerUtils.BuildXmlResponse(result);
  162. //m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
  163. UTF8Encoding encoding = new UTF8Encoding();
  164. return encoding.GetBytes(xmlString);
  165. }
  166. byte[] GetAgents(Dictionary<string, object> request)
  167. {
  168. string[] userIDs;
  169. if (!request.ContainsKey("uuids"))
  170. {
  171. m_log.DebugFormat("[PRESENCE HANDLER]: GetAgents called without required uuids argument");
  172. return FailureResult();
  173. }
  174. if (!(request["uuids"] is List<string>))
  175. {
  176. m_log.DebugFormat("[PRESENCE HANDLER]: GetAgents input argument was of unexpected type {0}", request["uuids"].GetType().ToString());
  177. return FailureResult();
  178. }
  179. userIDs = ((List<string>)request["uuids"]).ToArray();
  180. PresenceInfo[] pinfos = m_PresenceService.GetAgents(userIDs);
  181. Dictionary<string, object> result = new Dictionary<string, object>();
  182. if ((pinfos == null) || ((pinfos != null) && (pinfos.Length == 0)))
  183. result["result"] = "null";
  184. else
  185. {
  186. int i = 0;
  187. foreach (PresenceInfo pinfo in pinfos)
  188. {
  189. Dictionary<string, object> rinfoDict = pinfo.ToKeyValuePairs();
  190. result["presence" + i] = rinfoDict;
  191. i++;
  192. }
  193. }
  194. string xmlString = ServerUtils.BuildXmlResponse(result);
  195. //m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
  196. UTF8Encoding encoding = new UTF8Encoding();
  197. return encoding.GetBytes(xmlString);
  198. }
  199. private byte[] SuccessResult()
  200. {
  201. XmlDocument doc = new XmlDocument();
  202. XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
  203. "", "");
  204. doc.AppendChild(xmlnode);
  205. XmlElement rootElement = doc.CreateElement("", "ServerResponse",
  206. "");
  207. doc.AppendChild(rootElement);
  208. XmlElement result = doc.CreateElement("", "result", "");
  209. result.AppendChild(doc.CreateTextNode("Success"));
  210. rootElement.AppendChild(result);
  211. return DocToBytes(doc);
  212. }
  213. private byte[] FailureResult()
  214. {
  215. XmlDocument doc = new XmlDocument();
  216. XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
  217. "", "");
  218. doc.AppendChild(xmlnode);
  219. XmlElement rootElement = doc.CreateElement("", "ServerResponse",
  220. "");
  221. doc.AppendChild(rootElement);
  222. XmlElement result = doc.CreateElement("", "result", "");
  223. result.AppendChild(doc.CreateTextNode("Failure"));
  224. rootElement.AppendChild(result);
  225. return DocToBytes(doc);
  226. }
  227. private byte[] DocToBytes(XmlDocument doc)
  228. {
  229. MemoryStream ms = new MemoryStream();
  230. XmlTextWriter xw = new XmlTextWriter(ms, null);
  231. xw.Formatting = Formatting.Indented;
  232. doc.WriteTo(xw);
  233. xw.Flush();
  234. return ms.ToArray();
  235. }
  236. }
  237. }