Patch by revolution, thank you. Mantis #1789 . Implement friends permissions.

Applied with major changes. Core functionality commented pending review
for possible rights escalation. No user functionality yet.

OpenSim/Client/MXP/ClientStack/MXPClientView.cs

@@ -676,6 +676,7 @@ namespace OpenSim.Client.MXP.ClientStack
         public event FriendActionDelegate OnApproveFriendRequest;
         public event FriendActionDelegate OnDenyFriendRequest;
         public event FriendshipTermination OnTerminateFriendship;
+        public event GrantUserFriendRights OnGrantUserRights;
         public event MoneyTransferRequest OnMoneyTransferRequest;
         public event EconomyDataRequest OnEconomyDataRequest;
         public event MoneyBalanceRequest OnMoneyBalanceRequest;

OpenSim/Client/VWoHTTP/ClientStack/VWHClientView.cs

@@ -327,6 +327,7 @@ namespace OpenSim.Client.VWoHTTP.ClientStack
         public event FriendActionDelegate OnApproveFriendRequest = delegate { };
         public event FriendActionDelegate OnDenyFriendRequest = delegate { };
         public event FriendshipTermination OnTerminateFriendship = delegate { };
+        public event GrantUserFriendRights OnGrantUserRights = delegate { };
         public event MoneyTransferRequest OnMoneyTransferRequest = delegate { };
         public event EconomyDataRequest OnEconomyDataRequest = delegate { };
         public event MoneyBalanceRequest OnMoneyBalanceRequest = delegate { };
@@ -406,6 +407,7 @@ namespace OpenSim.Client.VWoHTTP.ClientStack
         public event PlacesQuery OnPlacesQuery = delegate { };
 
 
+
         public void SetDebugPacketLevel(int newDebug)
         {
             throw new System.NotImplementedException();

OpenSim/Framework/IClientAPI.cs

@@ -446,6 +446,7 @@ namespace OpenSim.Framework
     public delegate void AvatarNotesUpdate(IClientAPI client, UUID targetID, string notes);
     public delegate void MuteListRequest(IClientAPI client, uint muteCRC);
     public delegate void AvatarInterestUpdate(IClientAPI client, uint wantmask, string wanttext, uint skillsmask, string skillstext, string languages);
+    public delegate void GrantUserFriendRights(IClientAPI client, UUID requester, UUID target, int rights);
     public delegate void PlacesQuery(UUID QueryID, UUID TransactionID, string QueryText, uint QueryFlags, byte Category, string SimName, IClientAPI client);
 
     public delegate void AgentFOV(IClientAPI client, float verticalAngle);
@@ -1023,6 +1024,7 @@ namespace OpenSim.Framework
         event PickInfoUpdate OnPickInfoUpdate;
         event AvatarNotesUpdate OnAvatarNotesUpdate;
         event AvatarInterestUpdate OnAvatarInterestUpdate;
+        event GrantUserFriendRights OnGrantUserRights;
 
         event MuteListRequest OnMuteListRequest;
 

OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs

@@ -220,6 +220,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public event FriendActionDelegate OnApproveFriendRequest;
         public event FriendActionDelegate OnDenyFriendRequest;
         public event FriendshipTermination OnTerminateFriendship;
+        public event GrantUserFriendRights OnGrantUserRights;
         public event MoneyTransferRequest OnMoneyTransferRequest;
         public event EconomyDataRequest OnEconomyDataRequest;
         public event MoneyBalanceRequest OnMoneyBalanceRequest;
@@ -9720,6 +9721,25 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                             Utils.BytesToString(avatarInterestUpdate.PropertiesData.LanguagesText));
                     break;
 				                    
+                case PacketType.GrantUserRights:
+                    GrantUserRightsPacket GrantUserRights =
+                            (GrantUserRightsPacket)Pack;
+                    #region Packet Session and User Check
+                    if (m_checkPackets)
+                    {
+                        if (GrantUserRights.AgentData.SessionID != SessionId ||
+                            GrantUserRights.AgentData.AgentID != AgentId)
+                            break;
+                    }
+                    #endregion
+                    GrantUserFriendRights GrantUserRightsHandler = OnGrantUserRights;
+                    if (GrantUserRightsHandler != null)
+                        GrantUserRightsHandler(this,
+                            GrantUserRights.AgentData.AgentID,
+                            GrantUserRights.Rights[0].AgentRelated,
+                            GrantUserRights.Rights[0].RelatedRights);
+                    break;
+                    
                 case PacketType.PlacesQuery:
                     PlacesQueryPacket placesQueryPacket =
                             (PlacesQueryPacket)Pack;

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

@@ -395,6 +395,8 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
 
             // if it leaves, we want to know, too
             client.OnLogout += OnLogout;
+			client.OnGrantUserRights += GrantUserFriendRights;
+
         }
 
         private void ClientClosed(UUID AgentId, Scene scene)
@@ -1108,7 +1110,10 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
             // tell everyone that we are offline
             SendPresenceState(remoteClient, fl, false);
         }
+        private void GrantUserFriendRights(IClientAPI remoteClient, UUID requester, UUID target, int rights)
+        {
+        	((Scene)remoteClient.Scene).CommsManager.UpdateUserFriendPerms(requester, target, (uint)rights);
+    	}
     }    	
-
     #endregion
 }

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

@@ -476,6 +476,37 @@ namespace OpenSim.Region.CoreModules.World.Permissions
 
             return false;
         }
+        protected bool IsFriendWithPerms(UUID user,UUID objectOwner)
+        {
+        	
+        	if (user == UUID.Zero) return false;
+
+        	List<FriendListItem> profile = m_scene.CommsManager.GetUserFriendList(user);
+        	foreach (FriendListItem item in profile)
+        	{
+        		m_log.Warn("IsFriendWithPerms called" + item.FriendPerms.ToString());
+        		if(item.Friend == objectOwner)
+        		{
+//        			if (item.FriendPerms == 3)
+//        			{
+//        				return true;
+//        			}
+//        			if (item.FriendPerms == 4)
+//        			{
+//        				return true;
+//        			}
+//        			if (item.FriendPerms == 5)
+//        			{
+//        				return true;
+//        			}
+//        			if (item.FriendPerms == 7)
+//        			{
+//        				return true;
+//        			}
+        		}
+        	}
+        	return false;
+        }
 
         protected bool IsEstateManager(UUID user)
         {
@@ -566,6 +597,9 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             if (user == objectOwner)
                 return objectOwnerMask;
             
+            if (IsFriendWithPerms(user, objectOwner))
+                return objectOwnerMask;
+
             // Estate users should be able to edit anything in the sim
             if (IsEstateManager(user) && m_RegionOwnerIsGod && !IsAdministrator(objectOwner))
                 return objectOwnerMask;

OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs

@@ -179,6 +179,7 @@ namespace OpenSim.Region.Examples.SimpleModule
         public event FriendActionDelegate OnApproveFriendRequest;
         public event FriendActionDelegate OnDenyFriendRequest;
         public event FriendshipTermination OnTerminateFriendship;
+        public event GrantUserFriendRights OnGrantUserRights;
 
         public event EconomyDataRequest OnEconomyDataRequest;
         public event MoneyBalanceRequest OnMoneyBalanceRequest;

OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs

@@ -758,6 +758,7 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
         public event FriendActionDelegate OnApproveFriendRequest;
         public event FriendActionDelegate OnDenyFriendRequest;
         public event FriendshipTermination OnTerminateFriendship;
+        public event GrantUserFriendRights OnGrantUserRights;
         public event MoneyTransferRequest OnMoneyTransferRequest;
         public event EconomyDataRequest OnEconomyDataRequest;
         public event MoneyBalanceRequest OnMoneyBalanceRequest;

OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs

@@ -283,6 +283,7 @@ namespace OpenSim.Region.OptionalModules.World.NPC
         public event FriendActionDelegate OnApproveFriendRequest;
         public event FriendActionDelegate OnDenyFriendRequest;
         public event FriendshipTermination OnTerminateFriendship;
+        public event GrantUserFriendRights OnGrantUserRights;
 
         public event EconomyDataRequest OnEconomyDataRequest;
         public event MoneyBalanceRequest OnMoneyBalanceRequest;

OpenSim/Tests/Common/Mock/TestClient.cs

@@ -191,6 +191,7 @@ namespace OpenSim.Tests.Common.Mock
         public event FriendActionDelegate OnApproveFriendRequest;
         public event FriendActionDelegate OnDenyFriendRequest;
         public event FriendshipTermination OnTerminateFriendship;
+        public event GrantUserFriendRights OnGrantUserRights;
 
         public event EconomyDataRequest OnEconomyDataRequest;
         public event MoneyBalanceRequest OnMoneyBalanceRequest;