1 files changed, 267 insertions, 0 deletions

diff --git a/OpenSim/Services/Connectors/Friends/FriendsServicesConnector.cs b/OpenSim/Services/Connectors/Friends/FriendsServicesConnector.cs
new file mode 100644
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+++ b/OpenSim/Services/Connectors/Friends/FriendsServicesConnector.cs
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+/*
+ * 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 log4net;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Framework.Communications;
+using OpenSim.Services.Interfaces;
+using FriendInfo = OpenSim.Services.Interfaces.FriendInfo;
+using OpenSim.Server.Base;
+using OpenMetaverse;
+
+namespace OpenSim.Services.Connectors.Friends
+{
+    public class FriendsServicesConnector : IFriendsService
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private string m_ServerURI = String.Empty;
+
+        public FriendsServicesConnector()
+        {
+        }
+
+        public FriendsServicesConnector(string serverURI)
+        {
+            m_ServerURI = serverURI.TrimEnd('/');
+        }
+
+        public FriendsServicesConnector(IConfigSource source)
+        {
+            Initialise(source);
+        }
+
+        public virtual void Initialise(IConfigSource source)
+        {
+            IConfig gridConfig = source.Configs["FriendsService"];
+            if (gridConfig == null)
+            {
+                m_log.Error("[FRIENDS SERVICE CONNECTOR]: FriendsService missing from OpenSim.ini");
+                throw new Exception("Friends connector init error");
+            }
+
+            string serviceURI = gridConfig.GetString("FriendsServerURI",
+                    String.Empty);
+
+            if (serviceURI == String.Empty)
+            {
+                m_log.Error("[FRIENDS SERVICE CONNECTOR]: No Server URI named in section FriendsService");
+                throw new Exception("Friends connector init error");
+            }
+            m_ServerURI = serviceURI;
+        }
+
+
+        #region IFriendsService
+        
+        public FriendInfo[] GetFriends(UUID PrincipalID)
+        {
+            Dictionary<string, object> sendData = new Dictionary<string, object>();
+
+            sendData["PRINCIPALID"] = PrincipalID.ToString();
+            sendData["METHOD"] = "getfriends";
+
+            return GetFriends(sendData, PrincipalID.ToString());
+        }
+
+        public FriendInfo[] GetFriends(string PrincipalID)
+        {
+            Dictionary<string, object> sendData = new Dictionary<string, object>();
+
+            sendData["PRINCIPALID"] = PrincipalID;
+            sendData["METHOD"] = "getfriends_string";
+
+            return GetFriends(sendData, PrincipalID);
+        }
+
+        protected FriendInfo[] GetFriends(Dictionary<string, object> sendData, string PrincipalID)
+        {
+            string reqString = ServerUtils.BuildQueryString(sendData);
+            string uri = m_ServerURI + "/friends";
+
+            try
+            {
+                string reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, reqString);
+                if (reply != string.Empty)
+                {
+                    Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
+
+                    if (replyData != null)
+                    {
+                        if (replyData.ContainsKey("result") && (replyData["result"].ToString().ToLower() == "null"))
+                        {
+                        return new FriendInfo[0];
+                        }
+
+                        List<FriendInfo> finfos = new List<FriendInfo>();
+                        Dictionary<string, object>.ValueCollection finfosList = replyData.Values;
+                        //m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: get neighbours returned {0} elements", rinfosList.Count);
+                        foreach (object f in finfosList)
+                        {
+                            if (f is Dictionary<string, object>)
+                            {
+                                FriendInfo finfo = new FriendInfo((Dictionary<string, object>)f);
+                                finfos.Add(finfo);
+                            }
+                            else
+                                m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: GetFriends {0} received invalid response type {1}",
+                                    PrincipalID, f.GetType());
+                        }
+
+                        // Success
+                        return finfos.ToArray();
+                    }
+                    else
+                        m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: GetFriends {0} received null response",
+                            PrincipalID);
+
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: Exception when contacting friends server at {0}: {1}", uri, e.Message);
+            }
+
+            return new FriendInfo[0];
+
+        }
+
+        public bool StoreFriend(string PrincipalID, string Friend, int flags)
+        {
+
+            Dictionary<string, object> sendData = ToKeyValuePairs(PrincipalID, Friend, flags);
+
+            sendData["METHOD"] = "storefriend";
+
+            string reply = string.Empty;
+            string uri = m_ServerURI + "/friends";
+            try
+            {
+                reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, ServerUtils.BuildQueryString(sendData));
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: Exception when contacting friends server at {0}: {1}", uri, e.Message);
+                return false;
+            }
+
+            if (reply != string.Empty)
+            {
+                Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
+
+                if ((replyData != null) && replyData.ContainsKey("Result") && (replyData["Result"] != null))
+                {
+                    bool success = false;
+                    Boolean.TryParse(replyData["Result"].ToString(), out success);
+                    return success;
+                }
+                else
+                    m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: StoreFriend {0} {1} received null response",
+                        PrincipalID, Friend);
+            }
+            else
+                m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: StoreFriend received null reply");
+
+            return false;
+
+        }
+
+        public bool Delete(string PrincipalID, string Friend)
+        {
+            Dictionary<string, object> sendData = new Dictionary<string, object>();
+            sendData["PRINCIPALID"] = PrincipalID.ToString();
+            sendData["FRIEND"] = Friend;
+            sendData["METHOD"] = "deletefriend_string";
+
+            return Delete(sendData, PrincipalID, Friend);
+        }
+
+        public bool Delete(UUID PrincipalID, string Friend)
+        {
+            Dictionary<string, object> sendData = new Dictionary<string, object>();
+            sendData["PRINCIPALID"] = PrincipalID.ToString();
+            sendData["FRIEND"] = Friend;
+            sendData["METHOD"] = "deletefriend";
+
+            return Delete(sendData, PrincipalID.ToString(), Friend);
+        }
+
+        public bool Delete(Dictionary<string, object> sendData, string PrincipalID, string Friend)
+        {
+            string reply = string.Empty;
+            string uri = m_ServerURI + "/friends";
+            try
+            {
+                reply = SynchronousRestFormsRequester.MakeRequest("POST", uri, ServerUtils.BuildQueryString(sendData));
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: Exception when contacting friends server at {0}: {1}", uri, e.Message);
+                return false;
+            }
+
+            if (reply != string.Empty)
+            {
+                Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
+
+                if ((replyData != null) && replyData.ContainsKey("Result") && (replyData["Result"] != null))
+                {
+                    bool success = false;
+                    Boolean.TryParse(replyData["Result"].ToString(), out success);
+                    return success;
+                }
+                else
+                    m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: DeleteFriend {0} {1} received null response",
+                        PrincipalID, Friend);
+            }
+            else
+                m_log.DebugFormat("[FRIENDS SERVICE CONNECTOR]: DeleteFriend received null reply");
+
+            return false;
+        }
+
+        #endregion
+
+        public Dictionary<string, object> ToKeyValuePairs(string principalID, string friend, int flags)
+        {
+            Dictionary<string, object> result = new Dictionary<string, object>();
+            result["PrincipalID"] = principalID;
+            result["Friend"] = friend;
+            result["MyFlags"] = flags;
+
+            return result;
+        }
+
+    }
+}
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