fCraft.PlayerInfo.BanAll C# (CSharp) Method

        public void BanAll( [NotNull] Player player, [CanBeNull] string reason, bool announce, bool raiseEvents )
        {
            if ( player == null )
                throw new ArgumentNullException( "player" );
            if ( reason != null && reason.Trim().Length == 0 )
                reason = null;
            lock ( actionLock ) {
                if ( !player.Can( Permission.Ban, Permission.BanIP, Permission.BanAll ) ) {
                    PlayerOpException.ThrowPermissionMissing( player, this, "ban-all",
                                                         Permission.Ban, Permission.BanIP, Permission.BanAll );
                }

                IPAddress address = LastIP;

                // Check if player is trying to ban self
                if ( player.Info == this || address.Equals( player.IP ) && !player.IsSuper ) {
                    PlayerOpException.ThrowCannotTargetSelf( player, this, "ban-all" );
                }

                // Check if a non-bannable address was given (0.0.0.0 or 255.255.255.255)
                if ( address.Equals( IPAddress.None ) || address.Equals( IPAddress.Any ) ) {
                    PlayerOpException.ThrowInvalidIP( player, this, address );
                }

                // Check if any high-ranked players use this address
                PlayerInfo[] allPlayersOnIP = PlayerDB.FindPlayers( address );
                PlayerInfo infoWhomPlayerCantBan = allPlayersOnIP.FirstOrDefault( info => !player.Can( Permission.Ban, info.Rank ) );
                if ( infoWhomPlayerCantBan != null ) {
                    PlayerOpException.ThrowPermissionLimitIP( player, infoWhomPlayerCantBan, address );
                }

                PlayerOpException.CheckBanReason( reason, player, this, false );
                bool somethingGotBanned = false;

                // Ban the IP
                if ( !IPBanList.Contains( address ) ) {
                    IPBanInfo banInfo = new IPBanInfo( address, Name, player.Name, reason );
                    if ( IPBanList.Add( banInfo, raiseEvents ) ) {
                        Logger.Log( LogType.UserActivity,
                                    "{0} banned {1} (BanAll {2}). Reason: {3}",
                                    player.Name, address, Name, reason ?? "" );

                        // Announce ban on the server
                        if ( announce ) {
                            var can = Server.Players.Can( Permission.ViewPlayerIPs );
                            can.Message( "&WPlayer {0}&W was IP-banned ({1}) by {2}",
                                         ClassyName, address, player.ClassyName );
                            var cant = Server.Players.Cant( Permission.ViewPlayerIPs );
                            cant.Message( "&WPlayer {0}&W was IP-banned by {1}",
                                          ClassyName, player.ClassyName );
                        }
                        somethingGotBanned = true;
                    }
                }

                // Ban individual players
                foreach ( PlayerInfo targetAlt in allPlayersOnIP ) {
                    if ( targetAlt.BanStatus != BanStatus.NotBanned )
                        continue;

                    // Raise PlayerInfo.BanChanging event
                    PlayerInfoBanChangingEventArgs e = new PlayerInfoBanChangingEventArgs( targetAlt, player, false, reason, announce );
                    if ( raiseEvents ) {
                        RaiseBanChangingEvent( e );
                        if ( e.Cancel )
                            continue;
                        reason = e.Reason;
                    }

                    // Do the ban
                    if ( targetAlt.ProcessBan( player, player.Name, reason ) ) {
                        if ( raiseEvents ) {
                            RaiseBanChangedEvent( e );
                        }

                        // Log and announce ban
                        Logger.Log( LogType.UserActivity,
                                    "{0} banned {1} (BanAll {2}). Reason: {3}",
                                    player.Name, targetAlt.Name, Name, reason ?? "" );
                        if ( announce ) {
                            if ( targetAlt == this ) {
                                Server.Message( "&WPlayer {0}&W was banned by {1}&W (BanAll)",
                                                targetAlt.ClassyName, player.ClassyName );
                            } else {
                                Server.Message( "&WPlayer {0}&W was banned by {1}&W by association with {2}",
                                                targetAlt.ClassyName, player.ClassyName, ClassyName );
                            }
                        }
                        somethingGotBanned = true;
                    }
                }

                // If no one ended up getting banned, quit here
                if ( !somethingGotBanned ) {
                    PlayerOpException.ThrowNoOneToBan( player, this, address );
                }

                // Announce BanAll reason towards the end of all bans
                if ( announce && ConfigKey.AnnounceKickAndBanReasons.Enabled() && reason != null ) {
                    Server.Message( "&WBanAll reason: {0}", reason );
                }

                // Kick all players from IP
                Player[] targetsOnline = Server.Players.FromIP( address ).ToArray();
                if ( targetsOnline.Length > 0 ) {
                    string kickReason;
                    if ( reason != null ) {
                        kickReason = String.Format( "Banned by {0}: {1}", player.Name, reason );
                    } else {
                        kickReason = String.Format( "Banned by {0}", player.Name );
                    }
                    for ( int i = 0; i < targetsOnline.Length; i++ ) {
                        targetsOnline[i].Kick( kickReason, LeaveReason.BanAll );
                    }
                }
            }
        }