OpenSim.Region.Framework.Scenes.Scene.AuthorizeUser C# (CSharp) Method

        protected virtual bool AuthorizeUser(AgentCircuitData agent, out string reason)
        {
            reason = String.Empty;

            if (!m_strictAccessControl) return true;
            if (Permissions.IsGod(agent.AgentID)) return true;
                      
            if (AuthorizationService != null)
            {
                if (!AuthorizationService.IsAuthorizedForRegion(agent.AgentID.ToString(), RegionInfo.RegionID.ToString(),out reason))
                {
                    m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the region",
                                     agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
                    //reason = String.Format("You are not currently on the access list for {0}",RegionInfo.RegionName);
                    return false;
                }
            }

            if (m_regInfo.EstateSettings != null)
            {
                if (m_regInfo.EstateSettings.IsBanned(agent.AgentID))
                {
                    m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user is on the banlist",
                                     agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
                    reason = String.Format("Denied access to region {0}: You have been banned from that region.",
                                           RegionInfo.RegionName);
                    return false;
                }
            }
            else
                m_log.ErrorFormat("[CONNECTION BEGIN]: Estate Settings is null!");

            IGroupsModule groupsModule =
                    RequestModuleInterface<IGroupsModule>();

            List<UUID> agentGroups = new List<UUID>();

            if (groupsModule != null)
            {
                GroupMembershipData[] GroupMembership =
                        groupsModule.GetMembershipData(agent.AgentID);

                if (GroupMembership != null)
                {
                    for (int i = 0; i < GroupMembership.Length; i++)
                        agentGroups.Add(GroupMembership[i].GroupID);
                }
                else
                    m_log.ErrorFormat("[CONNECTION BEGIN]: GroupMembership is null!");
            }

            bool groupAccess = false;
            UUID[] estateGroups = m_regInfo.EstateSettings.EstateGroups;

            if (estateGroups != null)
            {
                foreach (UUID group in estateGroups)
                {
                    if (agentGroups.Contains(group))
                    {
                        groupAccess = true;
                        break;
                    }
                }
            }
            else
                m_log.ErrorFormat("[CONNECTION BEGIN]: EstateGroups is null!");

            if (!m_regInfo.EstateSettings.PublicAccess &&
                !m_regInfo.EstateSettings.HasAccess(agent.AgentID) &&
                !groupAccess)
            {
                m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the estate",
                                 agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
                reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
                                       RegionInfo.RegionName);
                return false;
            }

            // TODO: estate/region settings are not properly hooked up
            // to ILandObject.isRestrictedFromLand()
            // if (null != LandChannel)
            // {
            //     // region seems to have local Id of 1
            //     ILandObject land = LandChannel.GetLandObject(1);
            //     if (null != land)
            //     {
            //         if (land.isBannedFromLand(agent.AgentID))
            //         {
            //             m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user has been banned from land",
            //                              agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
            //             reason = String.Format("Denied access to private region {0}: You are banned from that region.",
            //                                    RegionInfo.RegionName);
            //             return false;
            //         }

            //         if (land.isRestrictedFromLand(agent.AgentID))
            //         {
            //             m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the region",
            //                              agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
            //             reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
            //                                    RegionInfo.RegionName);
            //             return false;
            //         }
            //     }
            // }

            return true;
        }