/* * 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.Collections; using System.Collections.Generic; using System.IO; using System.Net; using System.Reflection; using System.Text; using OpenSim.Framework; using OpenSim.Services.Interfaces; using OpenSim.Services.Connectors.Simulation; using GridRegion = OpenSim.Services.Interfaces.GridRegion; using OpenMetaverse; using OpenMetaverse.StructuredData; using log4net; using Nwc.XmlRpc; using Nini.Config; namespace OpenSim.Services.Connectors.Hypergrid { public class UserAgentServiceConnector : IUserAgentService { private static readonly ILog m_log = LogManager.GetLogger( MethodBase.GetCurrentMethod().DeclaringType); string m_ServerURL; public UserAgentServiceConnector(string url) { m_ServerURL = url; // Doing this here, because XML-RPC or mono have some strong ideas about // caching DNS translations. try { Uri m_Uri = new Uri(m_ServerURL); IPAddress ip = Util.GetHostFromDNS(m_Uri.Host); m_ServerURL = m_ServerURL.Replace(m_Uri.Host, ip.ToString()); ; } catch (Exception e) { m_log.DebugFormat("[USER AGENT CONNECTOR]: Malformed Uri {0}: {1}", m_ServerURL, e.Message); } m_log.DebugFormat("[USER AGENT CONNECTOR]: new connector to {0} ({1})", url, m_ServerURL); } public UserAgentServiceConnector(IConfigSource config) { IConfig serviceConfig = config.Configs["UserAgentService"]; if (serviceConfig == null) { m_log.Error("[USER AGENT CONNECTOR]: UserAgentService missing from ini"); throw new Exception("UserAgent connector init error"); } string serviceURI = serviceConfig.GetString("UserAgentServerURI", String.Empty); if (serviceURI == String.Empty) { m_log.Error("[USER AGENT CONNECTOR]: No Server URI named in section UserAgentService"); throw new Exception("UserAgent connector init error"); } m_ServerURL = serviceURI; m_log.DebugFormat("[USER AGENT CONNECTOR]: UserAgentServiceConnector started for {0}", m_ServerURL); } // The Login service calls this interface with a non-null [client] ipaddress public bool LoginAgentToGrid(AgentCircuitData aCircuit, GridRegion gatekeeper, GridRegion destination, IPEndPoint ipaddress, out string reason) { reason = String.Empty; if (destination == null) { reason = "Destination is null"; m_log.Debug("[USER AGENT CONNECTOR]: Given destination is null"); return false; } string uri = m_ServerURL + "homeagent/" + aCircuit.AgentID + "/"; Console.WriteLine(" >>> LoginAgentToGrid <<< " + uri); HttpWebRequest AgentCreateRequest = (HttpWebRequest)WebRequest.Create(uri); AgentCreateRequest.Method = "POST"; AgentCreateRequest.ContentType = "application/json"; AgentCreateRequest.Timeout = 10000; //AgentCreateRequest.KeepAlive = false; //AgentCreateRequest.Headers.Add("Authorization", authKey); // Fill it in OSDMap args = PackCreateAgentArguments(aCircuit, gatekeeper, destination, ipaddress); string strBuffer = ""; byte[] buffer = new byte[1]; try { strBuffer = OSDParser.SerializeJsonString(args); Encoding str = Util.UTF8; buffer = str.GetBytes(strBuffer); } catch (Exception e) { m_log.WarnFormat("[USER AGENT CONNECTOR]: Exception thrown on serialization of ChildCreate: {0}", e.Message); // ignore. buffer will be empty, caller should check. } Stream os = null; try { // send the Post AgentCreateRequest.ContentLength = buffer.Length; //Count bytes to send os = AgentCreateRequest.GetRequestStream(); os.Write(buffer, 0, strBuffer.Length); //Send it m_log.InfoFormat("[USER AGENT CONNECTOR]: Posted CreateAgent request to remote sim {0}, region {1}, x={2} y={3}", uri, destination.RegionName, destination.RegionLocX, destination.RegionLocY); } //catch (WebException ex) catch { //m_log.InfoFormat("[USER AGENT CONNECTOR]: Bad send on ChildAgentUpdate {0}", ex.Message); reason = "cannot contact remote region"; return false; } finally { if (os != null) os.Close(); } // Let's wait for the response //m_log.Info("[USER AGENT CONNECTOR]: Waiting for a reply after DoCreateChildAgentCall"); WebResponse webResponse = null; StreamReader sr = null; try { webResponse = AgentCreateRequest.GetResponse(); if (webResponse == null) { m_log.Info("[USER AGENT CONNECTOR]: Null reply on DoCreateChildAgentCall post"); } else { sr = new StreamReader(webResponse.GetResponseStream()); string response = sr.ReadToEnd().Trim(); m_log.InfoFormat("[USER AGENT CONNECTOR]: DoCreateChildAgentCall reply was {0} ", response); if (!String.IsNullOrEmpty(response)) { try { // we assume we got an OSDMap back OSDMap r = Util.GetOSDMap(response); bool success = r["success"].AsBoolean(); reason = r["reason"].AsString(); return success; } catch (NullReferenceException e) { m_log.InfoFormat("[USER AGENT CONNECTOR]: exception on reply of DoCreateChildAgentCall {0}", e.Message); // check for old style response if (response.ToLower().StartsWith("true")) return true; return false; } } } } catch (WebException ex) { m_log.InfoFormat("[USER AGENT CONNECTOR]: exception on reply of DoCreateChildAgentCall {0}", ex.Message); reason = "Destination did not reply"; return false; } finally { if (sr != null) sr.Close(); } return true; } // The simulators call this interface public bool LoginAgentToGrid(AgentCircuitData aCircuit, GridRegion gatekeeper, GridRegion destination, out string reason) { return LoginAgentToGrid(aCircuit, gatekeeper, destination, null, out reason); } protected OSDMap PackCreateAgentArguments(AgentCircuitData aCircuit, GridRegion gatekeeper, GridRegion destination, IPEndPoint ipaddress) { OSDMap args = null; try { args = aCircuit.PackAgentCircuitData(); } catch (Exception e) { m_log.Debug("[USER AGENT CONNECTOR]: PackAgentCircuitData failed with exception: " + e.Message); } // Add the input arguments args["gatekeeper_serveruri"] = OSD.FromString(gatekeeper.ServerURI); args["gatekeeper_host"] = OSD.FromString(gatekeeper.ExternalHostName); args["gatekeeper_port"] = OSD.FromString(gatekeeper.HttpPort.ToString()); args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString()); args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString()); args["destination_name"] = OSD.FromString(destination.RegionName); args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString()); args["destination_serveruri"] = OSD.FromString(destination.ServerURI); // 10/3/2010 // I added the client_ip up to the regular AgentCircuitData, so this doesn't need to be here. // This need cleaning elsewhere... //if (ipaddress != null) // args["client_ip"] = OSD.FromString(ipaddress.Address.ToString()); return args; } public void SetClientToken(UUID sessionID, string token) { // no-op } public GridRegion GetHomeRegion(UUID userID, out Vector3 position, out Vector3 lookAt) { position = Vector3.UnitY; lookAt = Vector3.UnitY; Hashtable hash = new Hashtable(); hash["userID"] = userID.ToString(); IList paramList = new ArrayList(); paramList.Add(hash); XmlRpcRequest request = new XmlRpcRequest("get_home_region", paramList); XmlRpcResponse response = null; try { response = request.Send(m_ServerURL, 10000); } catch (Exception) { return null; } if (response.IsFault) { return null; } hash = (Hashtable)response.Value; //foreach (Object o in hash) // m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value); try { bool success = false; Boolean.TryParse((string)hash["result"], out success); if (success) { GridRegion region = new GridRegion(); UUID.TryParse((string)hash["uuid"], out region.RegionID); //m_log.Debug(">> HERE, uuid: " + region.RegionID); int n = 0; if (hash["x"] != null) { Int32.TryParse((string)hash["x"], out n); region.RegionLocX = n; //m_log.Debug(">> HERE, x: " + region.RegionLocX); } if (hash["y"] != null) { Int32.TryParse((string)hash["y"], out n); region.RegionLocY = n; //m_log.Debug(">> HERE, y: " + region.RegionLocY); } if (hash["region_name"] != null) { region.RegionName = (string)hash["region_name"]; //m_log.Debug(">> HERE, name: " + region.RegionName); } if (hash["hostname"] != null) region.ExternalHostName = (string)hash["hostname"]; if (hash["http_port"] != null) { uint p = 0; UInt32.TryParse((string)hash["http_port"], out p); region.HttpPort = p; } if (hash["internal_port"] != null) { int p = 0; Int32.TryParse((string)hash["internal_port"], out p); region.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), p); } if (hash["position"] != null) Vector3.TryParse((string)hash["position"], out position); if (hash["lookAt"] != null) Vector3.TryParse((string)hash["lookAt"], out lookAt); // Successful return return region; } } catch (Exception) { return null; } return null; } public bool AgentIsComingHome(UUID sessionID, string thisGridExternalName) { Hashtable hash = new Hashtable(); hash["sessionID"] = sessionID.ToString(); hash["externalName"] = thisGridExternalName; IList paramList = new ArrayList(); paramList.Add(hash); XmlRpcRequest request = new XmlRpcRequest("agent_is_coming_home", paramList); string reason = string.Empty; return GetBoolResponse(request, out reason); } public bool VerifyAgent(UUID sessionID, string token) { Hashtable hash = new Hashtable(); hash["sessionID"] = sessionID.ToString(); hash["token"] = token; IList paramList = new ArrayList(); paramList.Add(hash); XmlRpcRequest request = new XmlRpcRequest("verify_agent", paramList); string reason = string.Empty; return GetBoolResponse(request, out reason); } public bool VerifyClient(UUID sessionID, string token) { Hashtable hash = new Hashtable(); hash["sessionID"] = sessionID.ToString(); hash["token"] = token; IList paramList = new ArrayList(); paramList.Add(hash); XmlRpcRequest request = new XmlRpcRequest("verify_client", paramList); string reason = string.Empty; return GetBoolResponse(request, out reason); } public void LogoutAgent(UUID userID, UUID sessionID) { Hashtable hash = new Hashtable(); hash["sessionID"] = sessionID.ToString(); hash["userID"] = userID.ToString(); IList paramList = new ArrayList(); paramList.Add(hash); XmlRpcRequest request = new XmlRpcRequest("logout_agent", paramList); string reason = string.Empty; GetBoolResponse(request, out reason); } private bool GetBoolResponse(XmlRpcRequest request, out string reason) { //m_log.Debug("[USER AGENT CONNECTOR]: GetBoolResponse from/to " + m_ServerURL); XmlRpcResponse response = null; try { response = request.Send(m_ServerURL, 10000); } catch (Exception e) { m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0}", m_ServerURL); reason = "Exception: " + e.Message; return false; } if (response.IsFault) { m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} returned an error: {1}", m_ServerURL, response.FaultString); reason = "XMLRPC Fault"; return false; } Hashtable hash = (Hashtable)response.Value; //foreach (Object o in hash) // m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value); try { if (hash == null) { m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got null response from {0}! THIS IS BAAAAD", m_ServerURL); reason = "Internal error 1"; return false; } bool success = false; reason = string.Empty; if (hash.ContainsKey("result")) Boolean.TryParse((string)hash["result"], out success); else { reason = "Internal error 2"; m_log.WarnFormat("[USER AGENT CONNECTOR]: response from {0} does not have expected key 'result'", m_ServerURL); } return success; } catch (Exception e) { m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on GetBoolResponse response."); if (hash.ContainsKey("result") && hash["result"] != null) m_log.ErrorFormat("Reply was ", (string)hash["result"]); reason = "Exception: " + e.Message; return false; } } } }