Change the permissions module to use the friend list cache already in the

friends module instead of requesting the entire friends list over the
network each time a prim is touched.

OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs

@@ -1114,6 +1114,18 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
         {
         	((Scene)remoteClient.Scene).CommsManager.UpdateUserFriendPerms(requester, target, (uint)rights);
     	}
+
+        public List<FriendListItem> GetUserFriends(UUID agentID)
+        {
+            List<FriendListItem> fl;
+            lock (m_friendLists)
+            {
+                fl = (List<FriendListItem>)m_friendLists.Get(agentID.ToString(),
+                        m_initialScene.GetFriendList);
+            }
+
+            return fl;
+        }
     }    	
     #endregion
 }

OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs

@@ -144,6 +144,8 @@ namespace OpenSim.Region.CoreModules.World.Permissions
         private Dictionary<string, bool> GrantVB = new Dictionary<string, bool>();
         private Dictionary<string, bool> GrantJS = new Dictionary<string, bool>();
         private Dictionary<string, bool> GrantYP = new Dictionary<string, bool>();
+        private IFriendsModule m_friendsModule = null;
+
         #endregion
 
         #region IRegionModule Members
@@ -363,6 +365,12 @@ namespace OpenSim.Region.CoreModules.World.Permissions
 
         public void PostInitialise()
         {
+            m_friendsModule = m_scene.RequestModuleInterface<IFriendsModule>();
+
+            if (m_friendsModule == null)
+                m_log.Error("[PERMISSIONS]: Friends module not found, friend permissions will not work");
+            else
+                m_log.Info("[PERMISSIONS]: Friends module found, friend permissions enabled");
         }
 
         public void Close()
@@ -479,9 +487,14 @@ namespace OpenSim.Region.CoreModules.World.Permissions
         protected bool IsFriendWithPerms(UUID user,UUID objectOwner)
         {
         	
-        	if (user == UUID.Zero) return false;
+        	if (user == UUID.Zero)
+                return false;
+
+            if (m_friendsModule == null)
+                return false;
+
+        	List<FriendListItem> profile = m_friendsModule.GetUserFriends(user);
 
-        	List<FriendListItem> profile = m_scene.CommsManager.GetUserFriendList(user);
         	foreach (FriendListItem item in profile)
         	{
         		if(item.Friend == objectOwner && (item.FriendPerms & (uint)FriendRights.CanModifyObjects) != 0)

OpenSim/Region/Framework/Interfaces/IFriendsModule.cs

@@ -27,6 +27,7 @@
 
 using OpenMetaverse;
 using OpenSim.Framework;
+using System.Collections.Generic;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
@@ -45,5 +46,6 @@ namespace OpenSim.Region.Framework.Interfaces
         /// </param>
         /// <param name="offerMessage"></param>
         void OfferFriendship(UUID fromUserId, IClientAPI toUserClient, string offerMessage);
+        List<FriendListItem> GetUserFriends(UUID agentID);
     }
 }