things

src/main/java/me/totalfreedom/totalfreedommod/banning/VPNBanList.java

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+package me.totalfreedom.totalfreedommod.banning;
+
+import com.google.common.collect.Sets;
+import java.util.Set;
+import lombok.Getter;
+import me.totalfreedom.totalfreedommod.FreedomService;
+import me.totalfreedom.totalfreedommod.TotalFreedomMod;
+import me.totalfreedom.totalfreedommod.config.ConfigEntry;
+import me.totalfreedom.totalfreedommod.util.FLog;
+import me.totalfreedom.totalfreedommod.util.FUtil;
+import net.pravian.aero.config.YamlConfig;
+import net.pravian.aero.util.Ips;
+import org.bukkit.ChatColor;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.player.PlayerLoginEvent;
+
+public class VPNBanList extends FreedomService
+{
+
+    public static final String CONFIG_FILENAME = "vpnbans.yml";
+
+    @Getter
+    private final Set<String> vpnIps = Sets.newHashSet();
+
+    public VPNBanList(TotalFreedomMod plugin)
+    {
+        super(plugin);
+    }
+
+    @Override
+    protected void onStart()
+    {
+        vpnIps.clear();
+
+        final YamlConfig config = new YamlConfig(plugin, CONFIG_FILENAME, true);
+        config.load();
+
+        for (String name : config.getKeys(false))
+        {
+            vpnIps.addAll(config.getStringList(name));
+        }
+
+        FLog.info("Loaded " + vpnIps.size() + " VPN ips.");
+    }
+
+    @Override
+    protected void onStop()
+    {
+    }
+
+    @EventHandler(priority = EventPriority.LOWEST)
+    public void onPlayerLogin(PlayerLoginEvent event)
+    {
+        final String ip = Ips.getIp(event);
+
+        // Permbanned IPs
+        for (String testIp : getVPNIps())
+        {
+            if (FUtil.fuzzyIpMatch(testIp, ip, 4))
+            {
+                event.disallow(PlayerLoginEvent.Result.KICK_OTHER,
+                        ChatColor.RED + "Your IP address is detected as a VPN\n"
+                                + "If you believe this is an error, release procedures are available at\n"
+                                + ChatColor.GOLD + ConfigEntry.SERVER_PERMBAN_URL.getString());
+                return;
+            }
+        }
+
+    }
+
+    public Set<String> getVPNIps()
+    {
+        return this.vpnIps;
+    }
+}