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        public int func_82362_a()
019        {
020            return 3;
021        }
022    
023        /**
024         * Returns true if the given command sender is allowed to use this command.
025         */
026        public boolean canCommandSenderUseCommand(ICommandSender par1ICommandSender)
027        {
028            return MinecraftServer.getServer().getConfigurationManager().getBannedIPs().isListActive() && super.canCommandSenderUseCommand(par1ICommandSender);
029        }
030    
031        public String getCommandUsage(ICommandSender par1ICommandSender)
032        {
033            return par1ICommandSender.translateString("commands.banip.usage", new Object[0]);
034        }
035    
036        public void processCommand(ICommandSender par1ICommandSender, String[] par2ArrayOfStr)
037        {
038            if (par2ArrayOfStr.length >= 1 && par2ArrayOfStr[0].length() > 1)
039            {
040                Matcher var3 = IPv4Pattern.matcher(par2ArrayOfStr[0]);
041                String var4 = null;
042    
043                if (par2ArrayOfStr.length >= 2)
044                {
045                    var4 = func_82360_a(par1ICommandSender, par2ArrayOfStr, 1);
046                }
047    
048                if (var3.matches())
049                {
050                    this.banIP(par1ICommandSender, par2ArrayOfStr[0], var4);
051                }
052                else
053                {
054                    EntityPlayerMP var5 = MinecraftServer.getServer().getConfigurationManager().getPlayerForUsername(par2ArrayOfStr[0]);
055    
056                    if (var5 == null)
057                    {
058                        throw new PlayerNotFoundException("commands.banip.invalid", new Object[0]);
059                    }
060    
061                    this.banIP(par1ICommandSender, var5.func_71114_r(), var4);
062                }
063            }
064            else
065            {
066                throw new WrongUsageException("commands.banip.usage", new Object[0]);
067            }
068        }
069    
070        /**
071         * Adds the strings available in this command to the given list of tab completion options.
072         */
073        public List addTabCompletionOptions(ICommandSender par1ICommandSender, String[] par2ArrayOfStr)
074        {
075            return par2ArrayOfStr.length == 1 ? getListOfStringsMatchingLastWord(par2ArrayOfStr, MinecraftServer.getServer().getAllUsernames()) : null;
076        }
077    
078        /**
079         * Actually does the banning work.
080         */
081        protected void banIP(ICommandSender par1ICommandSender, String par2Str, String par3Str)
082        {
083            BanEntry var4 = new BanEntry(par2Str);
084            var4.setBannedBy(par1ICommandSender.getCommandSenderName());
085    
086            if (par3Str != null)
087            {
088                var4.setBanReason(par3Str);
089            }
090    
091            MinecraftServer.getServer().getConfigurationManager().getBannedIPs().put(var4);
092            List var5 = MinecraftServer.getServer().getConfigurationManager().getPlayerList(par2Str);
093            String[] var6 = new String[var5.size()];
094            int var7 = 0;
095            EntityPlayerMP var9;
096    
097            for (Iterator var8 = var5.iterator(); var8.hasNext(); var6[var7++] = var9.getEntityName())
098            {
099                var9 = (EntityPlayerMP)var8.next();
100                var9.playerNetServerHandler.kickPlayerFromServer("You have been IP banned.");
101            }
102    
103            if (var5.isEmpty())
104            {
105                notifyAdmins(par1ICommandSender, "commands.banip.success", new Object[] {par2Str});
106            }
107            else
108            {
109                notifyAdmins(par1ICommandSender, "commands.banip.success.players", new Object[] {par2Str, joinNiceString(var6)});
110            }
111        }
112    }