From f3f7d603675ac15d6397b50591b598aacc932862 Mon Sep 17 00:00:00 2001
From: Melanie Thielker <melanie@t-data.com>
Date: Sun, 24 May 2009 16:11:35 +0000
Subject: [PATCH] Add a new permissions check for bulk object returns.

---
 .../Region/CoreModules/World/Land/LandObject.cs |  3 +++
 .../World/Permissions/PermissionsModule.cs      |  9 +++++++++
 .../Framework/Scenes/Scene.Permissions.cs       | 17 +++++++++++++++++
 3 files changed, 29 insertions(+)

diff --git a/OpenSim/Region/CoreModules/World/Land/LandObject.cs b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
index ce66e463f9..ccb3a47dc4 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandObject.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
@@ -795,6 +795,9 @@ namespace OpenSim.Region.CoreModules.World.Land
             Dictionary<UUID,List<SceneObjectGroup>> returns =
                     new Dictionary<UUID,List<SceneObjectGroup>>();
 
+            if (!m_scene.Permissions.CanUseObjectReturn(this, type, remote_client))
+                return;
+
             lock (primsOverMe)
             {
                 if (type == (uint)ObjectReturnType.Owner)
diff --git a/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs b/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
index 46a0da2815..6beb6d37fd 100644
--- a/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
+++ b/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
@@ -168,6 +168,7 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             m_scene.Permissions.OnDeleteUserInventory += CanDeleteUserInventory; //NOT YET IMPLEMENTED
             
             m_scene.Permissions.OnTeleport += CanTeleport; //NOT YET IMPLEMENTED
+            m_scene.Permissions.OnUseObjectReturn += CanUseObjectReturn; //NOT YET IMPLEMENTED
 
             m_scene.AddCommand(this, "bypass permissions",
                     "bypass permissions <true / false>",
@@ -1523,5 +1524,13 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             // You can reset the scripts in any object you can edit
             return GenericObjectPermission(agentID, prim, false);
         }
+
+        private bool CanUseObjectReturn(ILandObject parcel, uint type, IClientAPI client, Scene scene)
+        {
+            DebugPermissionInformation(MethodInfo.GetCurrentMethod().Name);
+            if (m_bypassPermissions) return m_bypassPermissionsValue;
+
+            return GenericParcelPermission(client.AgentId, parcel);
+        }
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Permissions.cs b/OpenSim/Region/Framework/Scenes/Scene.Permissions.cs
index 29a6cd2c46..731f12423c 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Permissions.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Permissions.cs
@@ -79,6 +79,7 @@ namespace OpenSim.Region.Framework.Scenes
     public delegate bool CopyUserInventoryHandler(UUID itemID, UUID userID);
     public delegate bool DeleteUserInventoryHandler(UUID itemID, UUID userID);
     public delegate bool TeleportHandler(UUID userID, Scene scene);
+    public delegate bool UseObjectReturnHandler(ILandObject landData, uint type, IClientAPI client, Scene scene);
     #endregion
 
     public class ScenePermissions
@@ -135,6 +136,7 @@ namespace OpenSim.Region.Framework.Scenes
         public event CopyUserInventoryHandler OnCopyUserInventory;
         public event DeleteUserInventoryHandler OnDeleteUserInventory;
         public event TeleportHandler OnTeleport;
+        public event UseObjectReturnHandler OnUseObjectReturn;
         #endregion
 
         #region Object Permission Checks
@@ -910,5 +912,20 @@ namespace OpenSim.Region.Framework.Scenes
             }
             return true;
         }
+
+        public bool CanUseObjectReturn(ILandObject landData, uint type , IClientAPI client)
+        {
+            UseObjectReturnHandler handler = OnUseObjectReturn;
+            if (handler != null)
+            {
+                Delegate[] list = handler.GetInvocationList();
+                foreach (UseObjectReturnHandler h in list)
+                {
+                    if (h(landData, type, client, m_scene) == false)
+                        return false;
+                }
+            }
+            return true;
+        }
     }
 }