1 files changed, 198 insertions, 0 deletions

diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianAuthenticationServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianAuthenticationServiceConnector.cs
new file mode 100644
index 0000000..ec66341
--- /dev/null
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianAuthenticationServiceConnector.cs
@@ -0,0 +1,198 @@
+/*
+ * 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.Specialized;
+using System.Reflection;
+using log4net;
+using Mono.Addins;
+using Nini.Config;
+using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
+
+namespace OpenSim.Services.Connectors.SimianGrid
+{
+    /// <summary>
+    /// Connects authentication/authorization to the SimianGrid backend
+    /// </summary>
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
+    public class SimianAuthenticationServiceConnector : IAuthenticationService, ISharedRegionModule
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private string m_serverUrl = String.Empty;
+
+        #region ISharedRegionModule
+
+        public Type ReplaceableInterface { get { return null; } }
+        public void RegionLoaded(Scene scene) { }
+        public void PostInitialise() { }
+        public void Close() { }
+
+        public SimianAuthenticationServiceConnector() { }
+        public string Name { get { return "SimianAuthenticationServiceConnector"; } }
+        public void AddRegion(Scene scene) { scene.RegisterModuleInterface<IAuthenticationService>(this); }
+        public void RemoveRegion(Scene scene) { scene.UnregisterModuleInterface<IAuthenticationService>(this); }
+
+        #endregion ISharedRegionModule
+
+        public SimianAuthenticationServiceConnector(IConfigSource source)
+        {
+            Initialise(source);
+        }
+
+        public void Initialise(IConfigSource source)
+        {
+            IConfig assetConfig = source.Configs["AuthenticationService"];
+            if (assetConfig == null)
+            {
+                m_log.Error("[AUTH CONNECTOR]: AuthenticationService missing from OpenSim.ini");
+                throw new Exception("Authentication connector init error");
+            }
+
+            string serviceURI = assetConfig.GetString("AuthenticationServerURI");
+            if (String.IsNullOrEmpty(serviceURI))
+            {
+                m_log.Error("[AUTH CONNECTOR]: No Server URI named in section AuthenticationService");
+                throw new Exception("Authentication connector init error");
+            }
+
+            m_serverUrl = serviceURI;
+        }
+
+        public string Authenticate(UUID principalID, string password, int lifetime)
+        {
+            NameValueCollection requestArgs = new NameValueCollection
+            {
+                { "RequestMethod", "GetIdentities" },
+                { "UserID", principalID.ToString() }
+            };
+
+            OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
+            if (response["Success"].AsBoolean() && response["Identities"] is OSDArray)
+            {
+                OSDArray identities = (OSDArray)response["Identities"];
+                for (int i = 0; i < identities.Count; i++)
+                {
+                    OSDMap identity = identities[i] as OSDMap;
+                    if (identity != null)
+                    {
+                        if (identity["Type"].AsString() == "md5hash")
+                        {
+                            string credential = identity["Credential"].AsString();
+
+                            if (password == credential || Utils.MD5String(password) == credential)
+                                return Authorize(principalID);
+                        }
+                    }
+                }
+
+                m_log.Warn("[AUTH CONNECTOR]: Authentication failed for " + principalID);
+            }
+            else
+            {
+                m_log.Warn("[AUTH CONNECTOR]: Failed to retrieve identities for " + principalID + ": "  +
+                    response["Message"].AsString());
+            }
+
+            return String.Empty;
+        }
+
+        public bool Verify(UUID principalID, string token, int lifetime)
+        {
+            NameValueCollection requestArgs = new NameValueCollection
+            {
+                { "RequestMethod", "GetSession" },
+                { "SessionID", token }
+            };
+
+            OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
+            if (response["Success"].AsBoolean())
+            {
+                return true;
+            }
+            else
+            {
+                m_log.Warn("[AUTH CONNECTOR]: Could not verify session for " + principalID + ": " +
+                    response["Message"].AsString());
+            }
+
+            return false;
+        }
+
+        public bool Release(UUID principalID, string token)
+        {
+            NameValueCollection requestArgs = new NameValueCollection
+            {
+                { "RequestMethod", "RemoveSession" },
+                { "UserID", principalID.ToString() }
+            };
+
+            OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
+            if (response["Success"].AsBoolean())
+            {
+                return true;
+            }
+            else
+            {
+                m_log.Warn("[AUTH CONNECTOR]: Failed to remove session for " + principalID + ": " +
+                    response["Message"].AsString());
+            }
+
+            return false;
+        }
+
+        public bool SetPassword(UUID principalID, string passwd)
+        {
+            // TODO: Use GetIdentities to find the md5hash identity for principalID
+            // and then update it with AddIdentity
+            m_log.Error("[AUTH CONNECTOR]: Changing passwords is not implemented yet");
+            return false;
+        }
+
+        private string Authorize(UUID userID)
+        {
+            NameValueCollection requestArgs = new NameValueCollection
+            {
+                { "RequestMethod", "AddSession" },
+                { "UserID", userID.ToString() }
+            };
+
+            OSDMap response = WebUtil.PostToService(m_serverUrl, requestArgs);
+            if (response["Success"].AsBoolean())
+                return response["SessionID"].AsUUID().ToString();
+            else
+                return String.Empty;
+        }
+    }
+}