mantis 8479: deep change DeRezObjects(..) doing independent permitions checks per action. m_useTrashOnDelete should now work except if god deletes, but still not recomended

1 files changed, 67 insertions, 95 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index e6e0354..6450c8b 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -2110,7 +2110,7 @@ namespace OpenSim.Region.Framework.Scenes
             // build a list of eligible objects
             List<uint> deleteIDs = new List<uint>();
             List<SceneObjectGroup> deleteGroups = new List<SceneObjectGroup>();
-            List<SceneObjectGroup> takeGroups = new List<SceneObjectGroup>();
+            List<SceneObjectGroup> takeCopyGroups = new List<SceneObjectGroup>();
             List<SceneObjectGroup> takeDeleteGroups = new List<SceneObjectGroup>();
 
             ScenePresence sp = null;
@@ -2119,11 +2119,10 @@ namespace OpenSim.Region.Framework.Scenes
             else if(action != DeRezAction.Return)
                 return; // only Return can be called without a client
 
-            // Start with true for both, then remove the flags if objects
-            // that we can't derez are part of the selection
-            bool permissionToTake = true;
-            bool permissionToTakeCopy = true;
-            bool permissionToDelete = true;
+            // this is not as 0.8x code
+            // 0.8x did refuse all operation is not allowed on all objects
+            // this will do it on allowed objects
+            // current viewers only ask if all allowed
 
             foreach (uint localID in localIDs)
             {
@@ -2136,8 +2135,8 @@ namespace OpenSim.Region.Framework.Scenes
                     continue;
                 }
 
-                // Already deleted by someone else
-                if (part.ParentGroup.IsDeleted)
+                SceneObjectGroup grp = part.ParentGroup;
+                if (grp == null || grp.IsDeleted)
                 {
                     //Client still thinks the object exists, kill it
                     deleteIDs.Add(localID);
@@ -2145,128 +2144,101 @@ namespace OpenSim.Region.Framework.Scenes
                 }
 
                 // Can't delete child prims
-                if (part != part.ParentGroup.RootPart)
+                if (part != grp.RootPart)
                     continue;
 
-                SceneObjectGroup grp = part.ParentGroup;
                 if (grp.IsAttachment)
-                    continue;
+                {
+                    if(!sp.IsGod || action != DeRezAction.Return || action != DeRezAction.Delete)
+                        continue;
+                    // this may break the attachment, but its a security action
+                    // viewers don't allow it anyways
+                }
 
                 // If child prims have invalid perms, fix them
                 grp.AdjustChildPrimPermissions(false);
 
-                if (remoteClient == null)
+                switch (action)
                 {
-                    // Autoreturn has a null client. Nothing else does. So
-                    // allow only returns
-                    if (action != DeRezAction.Return)
+                    case DeRezAction.SaveToExistingUserInventoryItem:
                     {
-                        m_log.WarnFormat(
-                            "[AGENT INVENTORY]: Ignoring attempt to {0} {1} {2} without a client",
-                            action, grp.Name, grp.UUID);
-                        return;
+                        if (Permissions.CanTakeCopyObject(grp, sp))
+                            takeCopyGroups.Add(grp);
+                        break;
                     }
 
-                    permissionToTakeCopy = false;
-                }
-                else
-                {
-                    if (action == DeRezAction.TakeCopy)
+                    case DeRezAction.TakeCopy:
                     {
-                        if (!Permissions.CanTakeCopyObject(grp, sp))
-                            permissionToTakeCopy = false;
+                        if (Permissions.CanTakeCopyObject(grp, sp))
+                            takeCopyGroups.Add(grp);
+                        break;
                     }
-                    else
+
+                    case DeRezAction.Take:
                     {
-                        permissionToTakeCopy = false;
+                        if (Permissions.CanTakeObject(grp, sp))
+                            takeDeleteGroups.Add(grp);
+                        break;
                     }
-                    if (!Permissions.CanTakeObject(grp, sp))
-                        permissionToTake = false;
-
-                    if (!Permissions.CanDeleteObject(grp, remoteClient))
-                        permissionToDelete = false;
-                }
-
-                // Handle god perms
-                if ((remoteClient != null) && Permissions.IsGod(remoteClient.AgentId))
-                {
-                    permissionToTake = true;
-                    permissionToTakeCopy = true;
-                    permissionToDelete = true;
-                }
-
-                // If we're re-saving, we don't even want to delete
-                if (action == DeRezAction.SaveToExistingUserInventoryItem)
-                    permissionToDelete = false;
 
-                // if we want to take a copy, we also don't want to delete
-                // Note: after this point, the permissionToTakeCopy flag
-                // becomes irrelevant. It already includes the permissionToTake
-                // permission and after excluding no copy items here, we can
-                // just use that.
-                if (action == DeRezAction.TakeCopy)
-                {
-                    // If we don't have permission, stop right here
-                    if (!permissionToTakeCopy)
+                    case DeRezAction.GodTakeCopy:
                     {
-                        remoteClient.SendAlertMessage("You don't have permission to take the object");
-                        return;
+                        if((remoteClient != null) && Permissions.IsGod(remoteClient.AgentId))
+                            takeCopyGroups.Add(grp);
+                        break;
                     }
 
-                    permissionToTake = true;
-                    // Don't delete
-                    permissionToDelete = false;
-                }
-
-                if (action == DeRezAction.Return)
-                {
-                    if (remoteClient != null)
+                    case DeRezAction.Delete:
                     {
-                        if (Permissions.CanReturnObjects(
-                                        null,
-                                        remoteClient,
-                                        new List<SceneObjectGroup>() {grp}))
+                        if (Permissions.CanDeleteObject(grp, remoteClient))
                         {
-                            permissionToTake = true;
-                            permissionToDelete = true;
-                            if(AddToReturns)
-                                AddReturn(grp.OwnerID == grp.GroupID ? grp.LastOwnerID : grp.OwnerID, grp.Name, grp.AbsolutePosition,
-                                        "parcel owner return");
+                            if(m_useTrashOnDelete || (sp.IsGod && grp.OwnerID != sp.UUID))
+                                takeDeleteGroups.Add(grp);
+                            else
+                                deleteGroups.Add(grp);
                         }
+                        break;
                     }
-                    else // Auto return passes through here with null agent
+
+                    case DeRezAction.Return:
                     {
-                        permissionToTake = true;
-                        permissionToDelete = true;
+                        if (remoteClient != null)
+                        {
+                            if (Permissions.CanReturnObjects( null, remoteClient, new List<SceneObjectGroup>() {grp}))
+                            {
+                                takeDeleteGroups.Add(grp);
+                                if (AddToReturns)
+                                    AddReturn(grp.OwnerID == grp.GroupID ? grp.LastOwnerID : grp.OwnerID, grp.Name, grp.AbsolutePosition,
+                                            "parcel owner return");
+                            }
+                        }
+                        else // Auto return passes through here with null agent
+                        {
+                            takeDeleteGroups.Add(grp);
+                        }
+                        break;
                     }
-                }
 
-                if (permissionToDelete)
-                {
-                    if (permissionToTake)
-                        takeDeleteGroups.Add(grp);
-                    else
-                        deleteGroups.Add(grp);
-                    deleteIDs.Add(grp.LocalId);
+                    default:
+                        break;
                 }
-                else if(permissionToTake)
-                    takeGroups.Add(grp);
             }
 
-             SendKillObject(deleteIDs);
+            if(deleteIDs.Count > 0)
+                SendKillObject(deleteIDs);
 
             if (takeDeleteGroups.Count > 0)
             {
-                m_asyncSceneObjectDeleter.DeleteToInventory(
-                        action, destinationID, takeDeleteGroups, remoteClient,
-                        true);
+                m_asyncSceneObjectDeleter.DeleteToInventory(action, destinationID, takeDeleteGroups,
+                        remoteClient, true);
             }
-            if (takeGroups.Count > 0)
+
+            if (takeCopyGroups.Count > 0)
             {
-                m_asyncSceneObjectDeleter.DeleteToInventory(
-                        action, destinationID, takeGroups, remoteClient,
-                        false);
+                m_asyncSceneObjectDeleter.DeleteToInventory(action, destinationID, takeCopyGroups,
+                        remoteClient, false);
             }
+
             if (deleteGroups.Count > 0)
             {
                 foreach (SceneObjectGroup g in deleteGroups)