HG Friends working to some extent: friendships offered and accepted correctly handled. Friends list showing correct foreign names. TODO: GrantRights.

OpenSim/Services/HypergridService/HGFriendsService.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 OpenMetaverse;
+using OpenSim.Framework;
+using System;
+using System.Collections.Generic;
+using OpenSim.Services.Interfaces;
+using OpenSim.Services.Friends;
+using OpenSim.Data;
+using Nini.Config;
+using log4net;
+using FriendInfo = OpenSim.Services.Interfaces.FriendInfo;
+
+namespace OpenSim.Services.HypergridService
+{
+    public class HGFriendsService : FriendsService, IFriendsService
+    {
+        public HGFriendsService(IConfigSource config) : base(config)
+        {
+        }
+
+        /// <summary>
+        /// Overrides base. 
+        /// Storing new friendships from the outside is a tricky, sensitive operation, and it 
+        /// needs to be done under certain restrictions.
+        /// First of all, if the friendship already exists, this is a no-op. In other words, 
+        /// we cannot change just the flags, it needs to be a new friendship.
+        /// Second, we store it as flags=0 always, independent of what the caller sends. The
+        /// owner of the friendship needs to confirm when it gets back home.
+        /// </summary>
+        /// <param name="PrincipalID"></param>
+        /// <param name="Friend"></param>
+        /// <param name="flags"></param>
+        /// <returns></returns>
+        public override bool StoreFriend(string PrincipalID, string Friend, int flags)
+        {
+            UUID userID;
+            if (UUID.TryParse(PrincipalID, out userID))
+            {
+                FriendsData[] friendsData = m_Database.GetFriends(userID);
+                List<FriendsData> fList = new List<FriendsData>(friendsData);
+                if (fList.Find(delegate(FriendsData fdata)
+                    {
+                        return fdata.Friend == Friend;
+                    }) != null)
+                    return false;
+            }
+
+            FriendsData d = new FriendsData();
+            d.PrincipalID = PrincipalID;
+            d.Friend = Friend;
+            d.Data = new Dictionary<string, string>();
+            d.Data["Flags"] = "0";
+
+            return m_Database.Store(d);
+        }
+
+        /// <summary>
+        /// Overrides base. Cannot delete friendships while away from home.
+        /// </summary>
+        /// <param name="PrincipalID"></param>
+        /// <param name="Friend"></param>
+        /// <returns></returns>
+        public override bool Delete(UUID PrincipalID, string Friend)
+        {
+            return false;
+        }
+
+    }
+}