2010-01-17 16:42:08 +00:00
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/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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2010-01-17 05:42:44 +00:00
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using System.Collections.Generic;
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using System.Reflection;
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using OpenSim.Framework;
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using OpenSim.Services.Interfaces;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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using OpenSim.Server.Base;
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using OpenMetaverse;
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using Nini.Config;
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using log4net;
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namespace OpenSim.Services.HypergridService
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{
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public class GatekeeperService : IGatekeeperService
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{
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private static readonly ILog m_log =
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LogManager.GetLogger(
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MethodBase.GetCurrentMethod().DeclaringType);
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IGridService m_GridService;
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IPresenceService m_PresenceService;
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IAuthenticationService m_AuthenticationService;
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IUserAccountService m_UserAccountService;
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ISimulationService m_SimulationService;
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string m_AuthDll;
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UUID m_ScopeID;
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bool m_AllowTeleportsToAnyRegion;
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GridRegion m_DefaultGatewayRegion;
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public GatekeeperService(IConfigSource config, ISimulationService simService)
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{
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IConfig serverConfig = config.Configs["GatekeeperService"];
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if (serverConfig == null)
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throw new Exception(String.Format("No section GatekeeperService in config file"));
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string accountService = serverConfig.GetString("UserAccountService", String.Empty);
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string gridService = serverConfig.GetString("GridService", String.Empty);
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string presenceService = serverConfig.GetString("PresenceService", String.Empty);
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string simulationService = serverConfig.GetString("SimulationService", String.Empty);
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m_AuthDll = serverConfig.GetString("AuthenticationService", String.Empty);
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if (accountService == string.Empty || gridService == string.Empty ||
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presenceService == string.Empty || m_AuthDll == string.Empty)
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throw new Exception("Incomplete specifications, Gatekeeper Service cannot function.");
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string scope = serverConfig.GetString("ScopeID", UUID.Zero.ToString());
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UUID.TryParse(scope, out m_ScopeID);
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//m_WelcomeMessage = serverConfig.GetString("WelcomeMessage", "Welcome to OpenSim!");
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m_AllowTeleportsToAnyRegion = serverConfig.GetBoolean("AllowTeleportsToAnyRegion", true);
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Object[] args = new Object[] { config };
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m_UserAccountService = ServerUtils.LoadPlugin<IUserAccountService>(accountService, args);
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m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args);
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m_PresenceService = ServerUtils.LoadPlugin<IPresenceService>(presenceService, args);
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if (simService != null)
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m_SimulationService = simService;
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else if (simulationService != string.Empty)
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m_SimulationService = ServerUtils.LoadPlugin<ISimulationService>(simulationService, args);
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if (m_UserAccountService == null || m_GridService == null ||
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m_PresenceService == null || m_SimulationService == null)
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throw new Exception("Unable to load a required plugin, Gatekeeper Service cannot function.");
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m_log.Debug("[GATEKEEPER SERVICE]: Starting...");
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}
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public GatekeeperService(IConfigSource config)
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: this(config, null)
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{
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}
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public bool LinkRegion(string regionName, out UUID regionID, out ulong regionHandle, out string imageURL, out string reason)
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{
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2010-01-17 15:54:03 +00:00
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regionID = UUID.Zero;
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regionHandle = 0;
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2010-01-17 05:42:44 +00:00
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imageURL = string.Empty;
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reason = string.Empty;
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2010-01-17 15:54:03 +00:00
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m_log.DebugFormat("[GATEKEEPER SERVICE]: Request to link to {0}", regionName);
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2010-01-17 05:42:44 +00:00
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if (!m_AllowTeleportsToAnyRegion)
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{
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2010-01-17 19:33:47 +00:00
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List<GridRegion> defs = m_GridService.GetDefaultRegions(m_ScopeID);
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if (defs != null && defs.Count > 0)
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m_DefaultGatewayRegion = defs[0];
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2010-01-17 15:54:03 +00:00
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try
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{
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regionID = m_DefaultGatewayRegion.RegionID;
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regionHandle = m_DefaultGatewayRegion.RegionHandle;
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}
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catch
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{
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reason = "Grid setup problem";
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return false;
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}
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2010-01-17 05:42:44 +00:00
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if (regionName != string.Empty)
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{
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reason = "Direct links to regions not allowed";
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return false;
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}
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return true;
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}
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GridRegion region = m_GridService.GetRegionByName(m_ScopeID, regionName);
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if (region == null)
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{
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reason = "Region not found";
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return false;
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}
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regionID = region.RegionID;
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regionHandle = region.RegionHandle;
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string regionimage = "regionImage" + region.RegionID.ToString();
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regionimage = regionimage.Replace("-", "");
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imageURL = "http://" + region.ExternalHostName + ":" + region.HttpPort + "/index.php?method=" + regionimage;
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return true;
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}
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public GridRegion GetHyperlinkRegion(UUID regionID)
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{
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2010-01-17 19:33:47 +00:00
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m_log.DebugFormat("[GATEKEEPER SERVICE]: Request to get hyperlink region {0}", regionID);
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2010-01-17 05:42:44 +00:00
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if (!m_AllowTeleportsToAnyRegion)
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// Don't even check the given regionID
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return m_DefaultGatewayRegion;
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GridRegion region = m_GridService.GetRegionByUUID(m_ScopeID, regionID);
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return region;
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}
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public bool LoginAgent(AgentCircuitData aCircuit, GridRegion destination)
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{
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2010-01-17 19:33:47 +00:00
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string authURL = string.Empty;
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if (aCircuit.ServiceURLs.ContainsKey("HomeURI"))
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authURL = aCircuit.ServiceURLs["HomeURI"].ToString();
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m_log.DebugFormat("[GATEKEEPER SERVICE]: Request to login foreign agent {0} {1} @ {2} ({3}) at destination {4}",
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aCircuit.firstname, aCircuit.lastname, authURL, aCircuit.AgentID, destination.RegionName);
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2010-01-17 05:42:44 +00:00
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if (!Authenticate(aCircuit))
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2010-01-17 19:33:47 +00:00
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{
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m_log.InfoFormat("[GATEKEEPER SERVICE]: Unable to verify identity of agent {0} {1}. Refusing service.", aCircuit.firstname, aCircuit.lastname);
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2010-01-17 05:42:44 +00:00
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return false;
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2010-01-17 19:33:47 +00:00
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}
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2010-01-17 05:42:44 +00:00
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// Check to see if we have a local user with that UUID
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UserAccount account = m_UserAccountService.GetUserAccount(m_ScopeID, aCircuit.AgentID);
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if (account != null)
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2010-01-17 19:33:47 +00:00
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{
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2010-01-17 05:42:44 +00:00
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// No, sorry; go away
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2010-01-17 19:33:47 +00:00
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m_log.InfoFormat("[GATEKEEPER SERVICE]: Foreign agent {0} {1} has UUID of local user {3}. Refusing service.",
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aCircuit.firstname, aCircuit.lastname, aCircuit.AgentID);
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2010-01-17 05:42:44 +00:00
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return false;
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2010-01-17 19:33:47 +00:00
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}
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2010-01-17 05:42:44 +00:00
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// May want to authorize
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// Login the presence
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if (!m_PresenceService.LoginAgent(aCircuit.AgentID.ToString(), aCircuit.SessionID, aCircuit.SecureSessionID))
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2010-01-17 19:33:47 +00:00
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{
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m_log.InfoFormat("[GATEKEEPER SERVICE]: Presence login failed for foreign agent {0} {1}. Refusing service.",
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aCircuit.firstname, aCircuit.lastname);
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2010-01-17 05:42:44 +00:00
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return false;
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2010-01-17 19:33:47 +00:00
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}
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2010-01-17 05:42:44 +00:00
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// Finally launch the agent at the destination
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string reason = string.Empty;
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2010-01-17 19:33:47 +00:00
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aCircuit.firstname = aCircuit.firstname + "." + aCircuit.lastname;
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aCircuit.lastname = "@" + aCircuit.ServiceURLs["HomeURI"].ToString();
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2010-01-17 05:42:44 +00:00
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return m_SimulationService.CreateAgent(destination, aCircuit, 0, out reason);
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}
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public bool LoginAttachments(ISceneObject sog, GridRegion destination)
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{
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// May want to filter attachments
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return m_SimulationService.CreateObject(destination, sog, false);
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}
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protected bool Authenticate(AgentCircuitData aCircuit)
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{
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2010-01-17 19:33:47 +00:00
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string authURL = string.Empty;
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if (aCircuit.ServiceURLs.ContainsKey("HomeURI"))
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authURL = aCircuit.ServiceURLs["HomeURI"].ToString();
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2010-01-17 05:42:44 +00:00
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if (authURL == string.Empty)
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2010-01-17 19:33:47 +00:00
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{
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m_log.DebugFormat("[GATEKEEPER SERVICE]: Agent did not provide an authentication server URL");
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2010-01-17 05:42:44 +00:00
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return false;
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2010-01-17 19:33:47 +00:00
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}
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2010-01-17 05:42:44 +00:00
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Object[] args = new Object[] { authURL };
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IAuthenticationService authService = ServerUtils.LoadPlugin<IAuthenticationService>(m_AuthDll, args);
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if (authService != null)
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return authService.Verify(aCircuit.AgentID, aCircuit.SecureSessionID.ToString(), 30);
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return false;
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}
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}
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}
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