001    package net.minecraft.src;
002    
003    import java.util.Iterator;
004    import java.util.List;
005    import java.util.regex.Matcher;
006    import java.util.regex.Pattern;
007    import net.minecraft.server.MinecraftServer;
008    
009    public class CommandServerBanIp extends CommandBase
010    {
011        public static final Pattern IPv4Pattern = Pattern.compile("^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])$");
012    
013        public String getCommandName()
014        {
015            return "ban-ip";
016        }
017    
018        /**
019         * Return the required permission level for this command.
020         */
021        public int getRequiredPermissionLevel()
022        {
023            return 3;
024        }
025    
026        /**
027         * Returns true if the given command sender is allowed to use this command.
028         */
029        public boolean canCommandSenderUseCommand(ICommandSender par1ICommandSender)
030        {
031            return MinecraftServer.getServer().getConfigurationManager().getBannedIPs().isListActive() && super.canCommandSenderUseCommand(par1ICommandSender);
032        }
033    
034        public String getCommandUsage(ICommandSender par1ICommandSender)
035        {
036            return par1ICommandSender.translateString("commands.banip.usage", new Object[0]);
037        }
038    
039        public void processCommand(ICommandSender par1ICommandSender, String[] par2ArrayOfStr)
040        {
041            if (par2ArrayOfStr.length >= 1 && par2ArrayOfStr[0].length() > 1)
042            {
043                Matcher var3 = IPv4Pattern.matcher(par2ArrayOfStr[0]);
044                String var4 = null;
045    
046                if (par2ArrayOfStr.length >= 2)
047                {
048                    var4 = func_82360_a(par1ICommandSender, par2ArrayOfStr, 1);
049                }
050    
051                if (var3.matches())
052                {
053                    this.banIP(par1ICommandSender, par2ArrayOfStr[0], var4);
054                }
055                else
056                {
057                    EntityPlayerMP var5 = MinecraftServer.getServer().getConfigurationManager().getPlayerForUsername(par2ArrayOfStr[0]);
058    
059                    if (var5 == null)
060                    {
061                        throw new PlayerNotFoundException("commands.banip.invalid", new Object[0]);
062                    }
063    
064                    this.banIP(par1ICommandSender, var5.func_71114_r(), var4);
065                }
066            }
067            else
068            {
069                throw new WrongUsageException("commands.banip.usage", new Object[0]);
070            }
071        }
072    
073        /**
074         * Adds the strings available in this command to the given list of tab completion options.
075         */
076        public List addTabCompletionOptions(ICommandSender par1ICommandSender, String[] par2ArrayOfStr)
077        {
078            return par2ArrayOfStr.length == 1 ? getListOfStringsMatchingLastWord(par2ArrayOfStr, MinecraftServer.getServer().getAllUsernames()) : null;
079        }
080    
081        /**
082         * Actually does the banning work.
083         */
084        protected void banIP(ICommandSender par1ICommandSender, String par2Str, String par3Str)
085        {
086            BanEntry var4 = new BanEntry(par2Str);
087            var4.setBannedBy(par1ICommandSender.getCommandSenderName());
088    
089            if (par3Str != null)
090            {
091                var4.setBanReason(par3Str);
092            }
093    
094            MinecraftServer.getServer().getConfigurationManager().getBannedIPs().put(var4);
095            List var5 = MinecraftServer.getServer().getConfigurationManager().getPlayerList(par2Str);
096            String[] var6 = new String[var5.size()];
097            int var7 = 0;
098            EntityPlayerMP var9;
099    
100            for (Iterator var8 = var5.iterator(); var8.hasNext(); var6[var7++] = var9.getEntityName())
101            {
102                var9 = (EntityPlayerMP)var8.next();
103                var9.playerNetServerHandler.kickPlayerFromServer("You have been IP banned.");
104            }
105    
106            if (var5.isEmpty())
107            {
108                notifyAdmins(par1ICommandSender, "commands.banip.success", new Object[] {par2Str});
109            }
110            else
111            {
112                notifyAdmins(par1ICommandSender, "commands.banip.success.players", new Object[] {par2Str, joinNiceString(var6)});
113            }
114        }
115    }