/Aurora/Framework/SceneInfo/ScenePermissions.cs

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/*

 * Copyright (c) Contributors, http://aurora-sim.org/, 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 Aurora-Sim 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 System;

using System.Collections.Generic;

using System.Linq;

using OpenMetaverse;



namespace Aurora.Framework

{



    #region Delegates



    public delegate uint GenerateClientFlagsHandler(UUID userID, ISceneChildEntity part);



    public delegate void SetBypassPermissionsHandler(bool value);



    public delegate bool BypassPermissionsHandler();



    public delegate bool PropagatePermissionsHandler();



    public delegate bool RezObjectHandler(

        int objectCount, UUID owner, Vector3 objectPosition, IScene scene, out string reason);



    public delegate bool DeleteObjectHandler(UUID objectID, UUID deleter, IScene scene);



    public delegate bool TakeObjectHandler(UUID objectID, UUID stealer, IScene scene);



    public delegate bool TakeCopyObjectHandler(UUID objectID, UUID userID, IScene inScene);



    public delegate bool DuplicateObjectHandler(

        int objectCount, UUID objectID, UUID owner, IScene scene, Vector3 objectPosition);



    public delegate bool EditObjectHandler(UUID objectID, UUID editorID, IScene scene);



    public delegate bool EditObjectInventoryHandler(UUID objectID, UUID editorID, IScene scene);



    public delegate bool MoveObjectHandler(UUID objectID, UUID moverID, IScene scene);



    public delegate bool ObjectEntryHandler(UUID objectID, bool enteringRegion, Vector3 newPoint, UUID OwnerID);



    public delegate bool ReturnObjectsHandler(ILandObject land, UUID user, List<ISceneEntity> objects, IScene scene);



    public delegate bool InstantMessageHandler(UUID user, UUID target, IScene startScene);



    public delegate bool InventoryTransferHandler(UUID user, UUID target, IScene startScene);



    public delegate bool ViewScriptHandler(UUID script, UUID objectID, UUID user, IScene scene);



    public delegate bool ViewNotecardHandler(UUID script, UUID objectID, UUID user, IScene scene);



    public delegate bool EditScriptHandler(UUID script, UUID objectID, UUID user, IScene scene);



    public delegate bool EditNotecardHandler(UUID notecard, UUID objectID, UUID user, IScene scene);



    public delegate bool RunScriptHandler(UUID script, UUID objectID, UUID user, IScene scene);



    public delegate bool CompileScriptHandler(UUID ownerUUID, string scriptType, IScene scene);



    public delegate bool StartScriptHandler(UUID script, UUID user, IScene scene);



    public delegate bool StopScriptHandler(UUID script, UUID user, IScene scene);



    public delegate bool ResetScriptHandler(UUID prim, UUID script, UUID user, IScene scene);



    public delegate bool TerraformLandHandler(UUID user, Vector3 position, IScene requestFromScene);



    public delegate bool RunConsoleCommandHandler(UUID user, IScene requestFromScene);



    public delegate bool IssueEstateCommandHandler(UUID user, IScene requestFromScene, bool ownerCommand);



    public delegate bool IsGodHandler(UUID user, IScene requestFromScene);



    public delegate bool CanGodTpHandler(UUID user, UUID target);



    public delegate bool IsAdministratorHandler(UUID user);



    public delegate bool EditParcelPropertiesHandler(UUID user, ILandObject parcel, GroupPowers p, IScene scene);



    public delegate bool EditParcelHandler(UUID user, ILandObject parcel, IScene scene);



    public delegate bool SellParcelHandler(UUID user, ILandObject parcel, IScene scene);



    public delegate bool AbandonParcelHandler(UUID user, ILandObject parcel, IScene scene);



    public delegate bool ReclaimParcelHandler(UUID user, ILandObject parcel, IScene scene);



    public delegate bool DeedParcelHandler(UUID user, ILandObject parcel, IScene scene);



    public delegate bool DeedObjectHandler(UUID user, UUID group, IScene scene);



    public delegate bool BuyLandHandler(UUID user, ILandObject parcel, IScene scene);



    public delegate bool LinkObjectHandler(UUID user, UUID objectID);



    public delegate bool DelinkObjectHandler(UUID user, UUID objectID);



    public delegate bool CreateObjectInventoryHandler(int invType, UUID objectID, UUID userID);



    public delegate bool CopyObjectInventoryHandler(UUID itemID, UUID objectID, UUID userID);



    public delegate bool DeleteObjectInventoryHandler(UUID itemID, UUID objectID, UUID userID);



    public delegate bool CreateUserInventoryHandler(int invType, UUID userID);



    public delegate bool EditUserInventoryHandler(UUID itemID, UUID userID);



    public delegate bool CopyUserInventoryHandler(UUID itemID, UUID userID);



    public delegate bool DeleteUserInventoryHandler(UUID itemID, UUID userID);



    public delegate bool TeleportHandler(

        UUID userID, IScene scene, Vector3 Position, uint TeleportFlags, out Vector3 newPosition, out string reason);



    public delegate bool OutgoingRemoteTeleport(UUID userID, IScene scene, out string reason);



    public delegate bool IncomingAgentHandler(IScene scene, AgentCircuitData agent, bool isRootAgent, out string reason);



    public delegate bool PushObjectHandler(UUID userID, ILandObject parcel);



    public delegate bool EditParcelAccessListHandler(UUID userID, ILandObject parcel, uint flags);



    public delegate bool GenericParcelHandler(UUID user, ILandObject parcel, ulong groupPowers);



    public delegate bool TakeLandmark(UUID user);



    public delegate bool ControlPrimMediaHandler(UUID userID, UUID primID, int face);



    public delegate bool InteractWithPrimMediaHandler(UUID userID, UUID primID, int face);



    #endregion



    public class ScenePermissions

    {

        private readonly IScene m_scene;



        public ScenePermissions(IScene scene)

        {

            m_scene = scene;

        }



        #region Events



        public event GenerateClientFlagsHandler OnGenerateClientFlags;

        public event SetBypassPermissionsHandler OnSetBypassPermissions;

        public event BypassPermissionsHandler OnBypassPermissions;

        public event PropagatePermissionsHandler OnPropagatePermissions;

        public event RezObjectHandler OnRezObject;

        public event DeleteObjectHandler OnDeleteObject;

        public event TakeObjectHandler OnTakeObject;

        public event TakeCopyObjectHandler OnTakeCopyObject;

        public event DuplicateObjectHandler OnDuplicateObject;

        public event EditObjectHandler OnEditObject;

        public event EditObjectInventoryHandler OnEditObjectInventory;

        public event MoveObjectHandler OnMoveObject;

        public event ObjectEntryHandler OnObjectEntry;

        public event ReturnObjectsHandler OnReturnObjects;

        public event InstantMessageHandler OnInstantMessage;

        public event CanGodTpHandler OnCanGodTp;

        public event InventoryTransferHandler OnInventoryTransfer;

        public event ViewScriptHandler OnViewScript;

        public event ViewNotecardHandler OnViewNotecard;

        public event EditScriptHandler OnEditScript;

        public event EditNotecardHandler OnEditNotecard;

        public event RunScriptHandler OnRunScript;

        public event CompileScriptHandler OnCompileScript;

        public event StartScriptHandler OnStartScript;

        public event StopScriptHandler OnStopScript;

        public event ResetScriptHandler OnResetScript;

        public event TerraformLandHandler OnTerraformLand;

        public event RunConsoleCommandHandler OnRunConsoleCommand;

        public event IssueEstateCommandHandler OnIssueEstateCommand;

        public event IsGodHandler OnIsGod;

        public event IsAdministratorHandler OnIsAdministrator;

        public event EditParcelHandler OnEditParcel;

        public event EditParcelHandler OnSubdivideParcel;

        public event EditParcelPropertiesHandler OnEditParcelProperties;

        public event SellParcelHandler OnSellParcel;

        public event AbandonParcelHandler OnAbandonParcel;

        public event ReclaimParcelHandler OnReclaimParcel;

        public event DeedParcelHandler OnDeedParcel;

        public event DeedObjectHandler OnDeedObject;

        public event BuyLandHandler OnBuyLand;

        public event LinkObjectHandler OnLinkObject;

        public event DelinkObjectHandler OnDelinkObject;

        public event DelinkObjectHandler OnIsInGroup;

        public event CreateObjectInventoryHandler OnCreateObjectInventory;

        public event CopyObjectInventoryHandler OnCopyObjectInventory;

        public event DeleteObjectInventoryHandler OnDeleteObjectInventory;

        public event CreateUserInventoryHandler OnCreateUserInventory;

        public event EditUserInventoryHandler OnEditUserInventory;

        public event CopyUserInventoryHandler OnCopyUserInventory;

        public event DeleteUserInventoryHandler OnDeleteUserInventory;

        public event OutgoingRemoteTeleport OnAllowedOutgoingLocalTeleport;

        public event OutgoingRemoteTeleport OnAllowedOutgoingRemoteTeleport;

        public event IncomingAgentHandler OnAllowIncomingAgent;

        public event TeleportHandler OnAllowedIncomingTeleport;

        public event PushObjectHandler OnPushObject;

        public event PushObjectHandler OnViewObjectOwners;

        public event EditParcelAccessListHandler OnEditParcelAccessList;

        public event GenericParcelHandler OnGenericParcelHandler;

        public event TakeLandmark OnTakeLandmark;

        public event TakeLandmark OnSetHomePoint;

        public event ControlPrimMediaHandler OnControlPrimMedia;

        public event InteractWithPrimMediaHandler OnInteractWithPrimMedia;



        #endregion



        #region Object Permission Checks



        public uint GenerateClientFlags(UUID userID, ISceneChildEntity part)

        {

            // libomv will moan about PrimFlags.ObjectYouOfficer being

            // obsolete...

#pragma warning disable 0612

            const PrimFlags DEFAULT_FLAGS =

                PrimFlags.ObjectModify |

                PrimFlags.ObjectCopy |

                PrimFlags.ObjectMove |

                PrimFlags.ObjectTransfer |

                PrimFlags.ObjectYouOwner |

                PrimFlags.ObjectAnyOwner |

                PrimFlags.ObjectOwnerModify |

                PrimFlags.ObjectYouOfficer;

#pragma warning restore 0612



            if (part == null)

                return 0;



            uint perms = part.GetEffectiveObjectFlags() | (uint) DEFAULT_FLAGS;



            GenerateClientFlagsHandler handlerGenerateClientFlags = OnGenerateClientFlags;

            if (handlerGenerateClientFlags != null)

            {

                Delegate[] list = handlerGenerateClientFlags.GetInvocationList();

#if (!ISWIN)

                foreach (GenerateClientFlagsHandler handler in list)

                    perms = perms & handler(userID, part);

#else

                perms = list.Cast<GenerateClientFlagsHandler>().Aggregate(perms, (current, check) => current & check(userID, part));

#endif

            }

            return perms;

        }



        public void SetBypassPermissions(bool value)

        {

            SetBypassPermissionsHandler handler = OnSetBypassPermissions;

            if (handler != null)

                handler(value);

        }



        public bool BypassPermissions()

        {

            BypassPermissionsHandler handler = OnBypassPermissions;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (BypassPermissionsHandler h in list)

                {

                    if (h() == false) return false;

                }

                return true;

#else

                return list.Cast<BypassPermissionsHandler>().All(h => h() != false);

#endif

            }

            return true;

        }



        public bool PropagatePermissions()

        {

            PropagatePermissionsHandler handler = OnPropagatePermissions;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (PropagatePermissionsHandler h in list)

                {

                    if (h() == false) return false;

                }

                return true;

#else

                return list.Cast<PropagatePermissionsHandler>().All(h => h() != false);

#endif

            }

            return true;

        }



        public bool CanReclaimParcel(UUID user, ILandObject parcel)

        {

            ReclaimParcelHandler handler = OnReclaimParcel;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (ReclaimParcelHandler h in list)

                {

                    if (h(user, parcel, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<ReclaimParcelHandler>().All(h => h(user, parcel, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanDeedParcel(UUID user, ILandObject parcel)

        {

            DeedParcelHandler handler = OnDeedParcel;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (DeedParcelHandler h in list)

                {

                    if (h(user, parcel, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<DeedParcelHandler>().All(h => h(user, parcel, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanDeedObject(UUID user, UUID group)

        {

            DeedObjectHandler handler = OnDeedObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (DeedObjectHandler h in list)

                {

                    if (h(user, group, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<DeedObjectHandler>().All(h => h(user, group, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanBuyLand(UUID user, ILandObject parcel)

        {

            BuyLandHandler handler = OnBuyLand;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (BuyLandHandler h in list)

                {

                    if (h(user, parcel, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<BuyLandHandler>().All(h => h(user, parcel, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanLinkObject(UUID user, UUID objectID)

        {

            LinkObjectHandler handler = OnLinkObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (LinkObjectHandler h in list)

                {

                    if (h(user, objectID) == false) return false;

                }

                return true;

#else

                return list.Cast<LinkObjectHandler>().All(h => h(user, objectID) != false);

#endif

            }

            return true;

        }



        public bool CanDelinkObject(UUID user, UUID objectID)

        {

            DelinkObjectHandler handler = OnDelinkObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (DelinkObjectHandler h in list)

                {

                    if (h(user, objectID) == false) return false;

                }

                return true;

#else

                return list.Cast<DelinkObjectHandler>().All(h => h(user, objectID) != false);

#endif

            }

            return true;

        }



        public bool IsInGroup(UUID user, UUID groupID)

        {

            DelinkObjectHandler handler = OnIsInGroup;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (DelinkObjectHandler h in list)

                {

                    if (h(user, groupID) == false) return false;

                }

                return true;

#else

                return list.Cast<DelinkObjectHandler>().All(h => h(user, groupID) != false);

#endif

            }

            return true;

        }



        #region REZ OBJECT



        public bool CanRezObject(int objectCount, UUID owner, Vector3 objectPosition, out string reason)

        {

            RezObjectHandler handler = OnRezObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

                foreach (RezObjectHandler h in list)

                {

                    if (h(objectCount, owner, objectPosition, m_scene, out reason) == false)

                        return false;

                }

            }

            reason = "";

            return true;

        }



        #endregion



        #region DELETE OBJECT



        public bool CanDeleteObject(UUID objectID, UUID deleter)

        {

            DeleteObjectHandler handler = OnDeleteObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (DeleteObjectHandler h in list)

                {

                    if (h(objectID, deleter, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<DeleteObjectHandler>().All(h => h(objectID, deleter, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region TAKE OBJECT



        public bool CanTakeObject(UUID objectID, UUID AvatarTakingUUID)

        {

            TakeObjectHandler handler = OnTakeObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (TakeObjectHandler h in list)

                {

                    if (h(objectID, AvatarTakingUUID, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<TakeObjectHandler>().All(h => h(objectID, AvatarTakingUUID, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region TAKE COPY OBJECT



        public bool CanTakeCopyObject(UUID objectID, UUID userID)

        {

            TakeCopyObjectHandler handler = OnTakeCopyObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (TakeCopyObjectHandler h in list)

                {

                    if (h(objectID, userID, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<TakeCopyObjectHandler>().All(h => h(objectID, userID, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region DUPLICATE OBJECT



        public bool CanDuplicateObject(int objectCount, UUID objectID, UUID owner, Vector3 objectPosition)

        {

            DuplicateObjectHandler handler = OnDuplicateObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (DuplicateObjectHandler h in list)

                {

                    if (h(objectCount, objectID, owner, m_scene, objectPosition) == false) return false;

                }

                return true;

#else

                return list.Cast<DuplicateObjectHandler>().All(h => h(objectCount, objectID, owner, m_scene, objectPosition) != false);

#endif

            }

            return true;

        }



        #endregion



        #region EDIT OBJECT



        public bool CanEditObject(UUID objectID, UUID editorID)

        {

            EditObjectHandler handler = OnEditObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (EditObjectHandler h in list)

                {

                    if (h(objectID, editorID, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<EditObjectHandler>().All(h => h(objectID, editorID, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanEditObjectInventory(UUID objectID, UUID editorID)

        {

            EditObjectInventoryHandler handler = OnEditObjectInventory;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (EditObjectInventoryHandler h in list)

                {

                    if (h(objectID, editorID, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<EditObjectInventoryHandler>().All(h => h(objectID, editorID, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region MOVE OBJECT



        public bool CanMoveObject(UUID objectID, UUID moverID)

        {

            MoveObjectHandler handler = OnMoveObject;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (MoveObjectHandler h in list)

                {

                    if (h(objectID, moverID, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<MoveObjectHandler>().All(h => h(objectID, moverID, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region OBJECT ENTRY



        public bool CanObjectEntry(UUID objectID, bool enteringRegion, Vector3 newPoint, UUID OwnerID)

        {

            ObjectEntryHandler handler = OnObjectEntry;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (ObjectEntryHandler h in list)

                {

                    if (h(objectID, enteringRegion, newPoint, OwnerID) == false) return false;

                }

                return true;

#else

                return list.Cast<ObjectEntryHandler>().All(h => h(objectID, enteringRegion, newPoint, OwnerID) != false);

#endif

            }

            return true;

        }



        #endregion



        #region RETURN OBJECT



        public bool CanReturnObjects(ILandObject land, UUID user, List<ISceneEntity> objects)

        {

            ReturnObjectsHandler handler = OnReturnObjects;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (ReturnObjectsHandler h in list)

                {

                    if (h(land, user, objects, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<ReturnObjectsHandler>().All(h => h(land, user, objects, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region INSTANT MESSAGE



        public bool CanInstantMessage(UUID user, UUID target)

        {

            InstantMessageHandler handler = OnInstantMessage;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (InstantMessageHandler h in list)

                {

                    if (h(user, target, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<InstantMessageHandler>().All(h => h(user, target, m_scene) != false);

#endif

            }

            return true;

        }



        /// <summary>

        ///   Checks whether the user is in god mode

        /// </summary>

        /// <param name = "user"></param>

        /// <returns></returns>

        public bool CanGodTeleport(UUID user, UUID target)

        {

            CanGodTpHandler handler = OnCanGodTp;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (CanGodTpHandler h in list)

                {

                    if (h(user, target) == false) return false;

                }

                return true;

#else

                return list.Cast<CanGodTpHandler>().All(h => h(user, target) != false);

#endif

            }

            return true;

        }



        #endregion



        #region INVENTORY TRANSFER



        public bool CanInventoryTransfer(UUID user, UUID target)

        {

            InventoryTransferHandler handler = OnInventoryTransfer;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (InventoryTransferHandler h in list)

                {

                    if (h(user, target, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<InventoryTransferHandler>().All(h => h(user, target, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region VIEW SCRIPT



        public bool CanViewScript(UUID script, UUID objectID, UUID user)

        {

            ViewScriptHandler handler = OnViewScript;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (ViewScriptHandler h in list)

                {

                    if (h(script, objectID, user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<ViewScriptHandler>().All(h => h(script, objectID, user, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanViewNotecard(UUID script, UUID objectID, UUID user)

        {

            ViewNotecardHandler handler = OnViewNotecard;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (ViewNotecardHandler h in list)

                {

                    if (h(script, objectID, user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<ViewNotecardHandler>().All(h => h(script, objectID, user, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region EDIT SCRIPT



        public bool CanEditScript(UUID script, UUID objectID, UUID user)

        {

            EditScriptHandler handler = OnEditScript;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (EditScriptHandler h in list)

                {

                    if (h(script, objectID, user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<EditScriptHandler>().All(h => h(script, objectID, user, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanEditNotecard(UUID script, UUID objectID, UUID user)

        {

            EditNotecardHandler handler = OnEditNotecard;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (EditNotecardHandler h in list)

                {

                    if (h(script, objectID, user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<EditNotecardHandler>().All(h => h(script, objectID, user, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region RUN SCRIPT (When Script Placed in Object)



        public bool CanRunScript(UUID script, UUID objectID, UUID user)

        {

            RunScriptHandler handler = OnRunScript;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (RunScriptHandler h in list)

                {

                    if (h(script, objectID, user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<RunScriptHandler>().All(h => h(script, objectID, user, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region COMPILE SCRIPT (When Script needs to get (re)compiled)



        public bool CanCompileScript(UUID ownerUUID, string scriptType)

        {

            CompileScriptHandler handler = OnCompileScript;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (CompileScriptHandler h in list)

                {

                    if (h(ownerUUID, scriptType, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<CompileScriptHandler>().All(h => h(ownerUUID, scriptType, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region START SCRIPT (When Script run box is Checked after placed in object)



        public bool CanStartScript(UUID script, UUID user)

        {

            StartScriptHandler handler = OnStartScript;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (StartScriptHandler h in list)

                {

                    if (h(script, user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<StartScriptHandler>().All(h => h(script, user, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region STOP SCRIPT (When Script run box is unchecked after placed in object)



        public bool CanStopScript(UUID script, UUID user)

        {

            StopScriptHandler handler = OnStopScript;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (StopScriptHandler h in list)

                {

                    if (h(script, user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<StopScriptHandler>().All(h => h(script, user, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region RESET SCRIPT



        public bool CanResetScript(UUID prim, UUID script, UUID user)

        {

            ResetScriptHandler handler = OnResetScript;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (ResetScriptHandler h in list)

                {

                    if (h(prim, script, user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<ResetScriptHandler>().All(h => h(prim, script, user, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region TERRAFORM LAND



        public bool CanTerraformLand(UUID user, Vector3 pos)

        {

            TerraformLandHandler handler = OnTerraformLand;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (TerraformLandHandler h in list)

                {

                    if (h(user, pos, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<TerraformLandHandler>().All(h => h(user, pos, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region RUN CONSOLE COMMAND



        public bool CanRunConsoleCommand(UUID user)

        {

            RunConsoleCommandHandler handler = OnRunConsoleCommand;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (RunConsoleCommandHandler h in list)

                {

                    if (h(user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<RunConsoleCommandHandler>().All(h => h(user, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region CAN ISSUE ESTATE COMMAND



        public bool CanIssueEstateCommand(UUID user, bool ownerCommand)

        {

            IssueEstateCommandHandler handler = OnIssueEstateCommand;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (IssueEstateCommandHandler h in list)

                {

                    if (h(user, m_scene, ownerCommand) == false) return false;

                }

                return true;

#else

                return list.Cast<IssueEstateCommandHandler>().All(h => h(user, m_scene, ownerCommand) != false);

#endif

            }

            return true;

        }



        #endregion



        #region CAN BE GODLIKE



        /// <summary>

        ///   Checks whether the user is in god mode

        /// </summary>

        /// <param name = "user"></param>

        /// <returns></returns>

        public bool IsGod(UUID user)

        {

            IsGodHandler handler = OnIsGod;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (IsGodHandler h in list)

                {

                    if (h(user, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<IsGodHandler>().All(h => h(user, m_scene) != false);

#endif

            }

            return true;

        }



        /// <summary>

        ///   Checks whether the user can be in god mode

        /// </summary>

        /// <param name = "user"></param>

        /// <returns></returns>

        public bool IsAdministrator(UUID user)

        {

            IsAdministratorHandler handler = OnIsAdministrator;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (IsAdministratorHandler h in list)

                {

                    if (h(user) == false) return false;

                }

                return true;

#else

                return list.Cast<IsAdministratorHandler>().All(h => h(user) != false);

#endif

            }

            return true;

        }



        #endregion



        #region EDIT PARCEL



        public bool CanEditParcelProperties(UUID user, ILandObject parcel, GroupPowers groupPowers)

        {

            EditParcelPropertiesHandler handler = OnEditParcelProperties;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (EditParcelPropertiesHandler h in list)

                {

                    if (h(user, parcel, groupPowers, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<EditParcelPropertiesHandler>().All(h => h(user, parcel, groupPowers, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanEditParcel(UUID user, ILandObject parcel)

        {

            EditParcelHandler handler = OnEditParcel;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (EditParcelHandler h in list)

                {

                    if (h(user, parcel, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<EditParcelHandler>().All(h => h(user, parcel, m_scene) != false);

#endif

            }

            return true;

        }



        public bool CanSubdivideParcel(UUID user, ILandObject parcel)

        {

            EditParcelHandler handler = OnSubdivideParcel;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (EditParcelHandler h in list)

                {

                    if (h(user, parcel, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<EditParcelHandler>().All(h => h(user, parcel, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region SELL PARCEL



        public bool CanSellParcel(UUID user, ILandObject parcel)

        {

            SellParcelHandler handler = OnSellParcel;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (SellParcelHandler h in list)

                {

                    if (h(user, parcel, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<SellParcelHandler>().All(h => h(user, parcel, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #region ABANDON PARCEL



        public bool CanAbandonParcel(UUID user, ILandObject parcel)

        {

            AbandonParcelHandler handler = OnAbandonParcel;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (AbandonParcelHandler h in list)

                {

                    if (h(user, parcel, m_scene) == false) return false;

                }

                return true;

#else

                return list.Cast<AbandonParcelHandler>().All(h => h(user, parcel, m_scene) != false);

#endif

            }

            return true;

        }



        #endregion



        #endregion



        /// Check whether the specified user is allowed to directly create the given inventory type in a prim's

        /// inventory (e.g. the New Script button in the 1.21 Linden Lab client).

        /// </summary>

        /// <param name = "invType"></param>

        /// <param name = "objectID"></param>

        /// <param name = "userID"></param>

        /// <returns></returns>

        public bool CanCreateObjectInventory(int invType, UUID objectID, UUID userID)

        {

            CreateObjectInventoryHandler handler = OnCreateObjectInventory;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (CreateObjectInventoryHandler h in list)

                {

                    if (h(invType, objectID, userID) == false) return false;

                }

                return true;

#else

                return list.Cast<CreateObjectInventoryHandler>().All(h => h(invType, objectID, userID) != false);

#endif

            }

            return true;

        }



        public bool CanCopyObjectInventory(UUID itemID, UUID objectID, UUID userID)

        {

            CopyObjectInventoryHandler handler = OnCopyObjectInventory;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (CopyObjectInventoryHandler h in list)

                {

                    if (h(itemID, objectID, userID) == false) return false;

                }

                return true;

#else

                return list.Cast<CopyObjectInventoryHandler>().All(h => h(itemID, objectID, userID) != false);

#endif

            }

            return true;

        }



        public bool CanDeleteObjectInventory(UUID itemID, UUID objectID, UUID userID)

        {

            DeleteObjectInventoryHandler handler = OnDeleteObjectInventory;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (DeleteObjectInventoryHandler h in list)

                {

                    if (h(itemID, objectID, userID) == false) return false;

                }

                return true;

#else

                return list.Cast<DeleteObjectInventoryHandler>().All(h => h(itemID, objectID, userID) != false);

#endif

            }

            return true;

        }



        /// <summary>

        ///   Check whether the specified user is allowed to create the given inventory type in their inventory.

        /// </summary>

        /// <param name = "invType"></param>

        /// <param name = "userID"></param>

        /// <returns></returns>

        public bool CanCreateUserInventory(int invType, UUID userID)

        {

            CreateUserInventoryHandler handler = OnCreateUserInventory;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (CreateUserInventoryHandler h in list)

                {

                    if (h(invType, userID) == false) return false;

                }

                return true;

#else

                return list.Cast<CreateUserInventoryHandler>().All(h => h(invType, userID) != false);

#endif

            }

            return true;

        }



        /// <summary>

        ///   Check whether the specified user is allowed to edit the given inventory item within their own inventory.

        /// </summary>

        /// <param name = "itemID"></param>

        /// <param name = "userID"></param>

        /// <returns></returns>

        public bool CanEditUserInventory(UUID itemID, UUID userID)

        {

            EditUserInventoryHandler handler = OnEditUserInventory;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (EditUserInventoryHandler h in list)

                {

                    if (h(itemID, userID) == false) return false;

                }

                return true;

#else

                return list.Cast<EditUserInventoryHandler>().All(h => h(itemID, userID) != false);

#endif

            }

            return true;

        }



        /// <summary>

        ///   Check whether the specified user is allowed to copy the given inventory item from their own inventory.

        /// </summary>

        /// <param name = "itemID"></param>

        /// <param name = "userID"></param>

        /// <returns></returns>

        public bool CanCopyUserInventory(UUID itemID, UUID userID)

        {

            CopyUserInventoryHandler handler = OnCopyUserInventory;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (CopyUserInventoryHandler h in list)

                {

                    if (h(itemID, userID) == false) return false;

                }

                return true;

#else

                return list.Cast<CopyUserInventoryHandler>().All(h => h(itemID, userID) != false);

#endif

            }

            return true;

        }



        /// <summary>

        ///   Check whether the specified user is allowed to edit the given inventory item within their own inventory.

        /// </summary>

        /// <param name = "itemID"></param>

        /// <param name = "userID"></param>

        /// <returns></returns>

        public bool CanDeleteUserInventory(UUID itemID, UUID userID)

        {

            DeleteUserInventoryHandler handler = OnDeleteUserInventory;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

#if (!ISWIN)

                foreach (DeleteUserInventoryHandler h in list)

                {

                    if (h(itemID, userID) == false) return false;

                }

                return true;

#else

                return list.Cast<DeleteUserInventoryHandler>().All(h => h(itemID, userID) != false);

#endif

            }

            return true;

        }



        /// <summary>

        ///   Check to make sure the user is allowed to teleport within this region

        /// </summary>

        /// <param name = "userID">The user that is attempting to leave</param>

        /// <param name = "reason">If this check fails, this is the reason why</param>

        /// <returns>Whether the user is allowed to teleport locally</returns>

        public bool AllowedOutgoingLocalTeleport(UUID userID, out string reason)

        {

            reason = "";

            OutgoingRemoteTeleport handler = OnAllowedOutgoingLocalTeleport;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

                foreach (OutgoingRemoteTeleport h in list)

                {

                    if (h(userID, m_scene, out reason) == false)

                        return false;

                }

            }

            return true;

        }



        /// <summary>

        ///   Check to make sure the user can be teleporting out of the region to a remote region.

        ///   If this is false, the user is denied the ability to leave the region at all.

        /// </summary>

        /// <param name = "userID">The user that is attempting to leave the region</param>

        /// <param name = "reason">If this fails, this explains why it failed</param>

        /// <returns>Whether the user is allowed to teleport to remote regions</returns>

        public bool AllowedOutgoingRemoteTeleport(UUID userID, out string reason)

        {

            reason = "";

            OutgoingRemoteTeleport handler = OnAllowedOutgoingRemoteTeleport;

            if (handler != null)

            {

                Delegate[] list = handler.GetInvocationList();

                foreach (OutgoingRemoteTeleport h in list)

                {

                    if (h(userID, m_scene, out reason) == false)

                        return false;

                }

            }

            return true;

        }



        /// <summary>

        ///   Check to make sure this user has the ability to have an agent in this region.

        ///   This checks whether they exist in the grid, whether they are banned from the region and more.

        ///   It is called by the SimulationService in CreateAgent mainly.

        /// </summary>

        /// <param name = "agent">The Agent that is coming in</param>

        /// <param name = "isRootAgent">Whether this agent will be a root agent</param>

        /// <param name = "reason">If it fails, this explains …