1 files changed, 167 insertions, 0 deletions

diff --git a/OpenSim/Services/HypergridService/GatekeeperService.cs b/OpenSim/Services/HypergridService/GatekeeperService.cs
new file mode 100644
index 0000000..174174c
--- /dev/null
+++ b/OpenSim/Services/HypergridService/GatekeeperService.cs
@@ -0,0 +1,167 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+
+using OpenSim.Framework;
+using OpenSim.Services.Interfaces;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+using OpenSim.Server.Base;
+
+using OpenMetaverse;
+
+using Nini.Config;
+using log4net;
+
+namespace OpenSim.Services.HypergridService
+{
+    public class GatekeeperService : IGatekeeperService
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        IGridService m_GridService;
+        IPresenceService m_PresenceService;
+        IAuthenticationService m_AuthenticationService;
+        IUserAccountService m_UserAccountService;
+        ISimulationService m_SimulationService;
+
+        string m_AuthDll;
+
+        UUID m_ScopeID;
+        bool m_AllowTeleportsToAnyRegion;
+        GridRegion m_DefaultGatewayRegion;
+
+        public GatekeeperService(IConfigSource config, ISimulationService simService)
+        {
+            IConfig serverConfig = config.Configs["GatekeeperService"];
+            if (serverConfig == null)
+                throw new Exception(String.Format("No section GatekeeperService in config file"));
+
+            string accountService = serverConfig.GetString("UserAccountService", String.Empty);
+            string gridService = serverConfig.GetString("GridService", String.Empty);
+            string presenceService = serverConfig.GetString("PresenceService", String.Empty);
+            string simulationService = serverConfig.GetString("SimulationService", String.Empty);
+
+            m_AuthDll = serverConfig.GetString("AuthenticationService", String.Empty);
+
+            if (accountService == string.Empty || gridService == string.Empty ||
+                presenceService == string.Empty || m_AuthDll == string.Empty)
+                throw new Exception("Incomplete specifications, Gatekeeper Service cannot function.");
+            
+            string scope = serverConfig.GetString("ScopeID", UUID.Zero.ToString());
+            UUID.TryParse(scope, out m_ScopeID);
+            //m_WelcomeMessage = serverConfig.GetString("WelcomeMessage", "Welcome to OpenSim!");
+            m_AllowTeleportsToAnyRegion = serverConfig.GetBoolean("AllowTeleportsToAnyRegion", true);
+
+            Object[] args = new Object[] { config };
+            m_UserAccountService = ServerUtils.LoadPlugin<IUserAccountService>(accountService, args);
+            m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args);
+            m_PresenceService = ServerUtils.LoadPlugin<IPresenceService>(presenceService, args);
+            if (simService != null)
+                m_SimulationService = simService;
+            else if (simulationService != string.Empty)
+                    m_SimulationService = ServerUtils.LoadPlugin<ISimulationService>(simulationService, args);
+
+            if (m_UserAccountService == null || m_GridService == null ||
+                m_PresenceService == null || m_SimulationService == null)
+                throw new Exception("Unable to load a required plugin, Gatekeeper Service cannot function.");
+
+            m_log.Debug("[GATEKEEPER SERVICE]: Starting...");
+        }
+
+        public GatekeeperService(IConfigSource config)
+            : this(config, null)
+        {
+        }
+
+        public bool LinkRegion(string regionName, out UUID regionID, out ulong regionHandle, out string imageURL, out string reason)
+        {
+            regionID = m_DefaultGatewayRegion.RegionID;
+            regionHandle = m_DefaultGatewayRegion.RegionHandle;
+            imageURL = string.Empty;
+            reason = string.Empty;
+
+            if (!m_AllowTeleportsToAnyRegion)
+            {
+                regionID = m_DefaultGatewayRegion.RegionID;
+                regionHandle = m_DefaultGatewayRegion.RegionHandle;
+                if (regionName != string.Empty)
+                {
+                    reason = "Direct links to regions not allowed";
+                    return false;
+                }
+
+                return true;
+            }
+
+            GridRegion region = m_GridService.GetRegionByName(m_ScopeID, regionName);
+            if (region == null)
+            {
+                reason = "Region not found";
+                return false;
+            }
+
+            regionID = region.RegionID;
+            regionHandle = region.RegionHandle;
+            string regionimage = "regionImage" + region.RegionID.ToString();
+            regionimage = regionimage.Replace("-", "");
+
+            imageURL = "http://" + region.ExternalHostName + ":" + region.HttpPort + "/index.php?method=" + regionimage;
+
+            return true;
+        }
+
+        public GridRegion GetHyperlinkRegion(UUID regionID)
+        {
+            if (!m_AllowTeleportsToAnyRegion)
+                // Don't even check the given regionID
+                return m_DefaultGatewayRegion;
+
+            GridRegion region = m_GridService.GetRegionByUUID(m_ScopeID, regionID);
+            return region;
+        }
+
+        public bool LoginAgent(AgentCircuitData aCircuit, GridRegion destination)
+        {
+            if (!Authenticate(aCircuit))
+                return false;
+
+            // Check to see if we have a local user with that UUID
+            UserAccount account = m_UserAccountService.GetUserAccount(m_ScopeID, aCircuit.AgentID);
+            if (account != null)
+                // No, sorry; go away
+                return false;
+
+            // May want to authorize
+
+            // Login the presence
+            if (!m_PresenceService.LoginAgent(aCircuit.AgentID.ToString(), aCircuit.SessionID, aCircuit.SecureSessionID))
+                return false;
+
+            // Finally launch the agent at the destination
+            string reason = string.Empty;
+            return m_SimulationService.CreateAgent(destination, aCircuit, 0, out reason);
+        }
+
+        public bool LoginAttachments(ISceneObject sog, GridRegion destination)
+        {
+            // May want to filter attachments
+            return m_SimulationService.CreateObject(destination, sog, false);
+        }
+
+        protected bool Authenticate(AgentCircuitData aCircuit)
+        {
+            string authURL = string.Empty; // GetAuthURL(aCircuit);
+            if (authURL == string.Empty)
+                return false;
+
+            Object[] args = new Object[] { authURL };
+            IAuthenticationService authService = ServerUtils.LoadPlugin<IAuthenticationService>(m_AuthDll, args);
+            if (authService != null)
+                return authService.Verify(aCircuit.AgentID, aCircuit.SecureSessionID.ToString(), 30);
+
+            return false;
+        }
+    }
+}