Implemented GeoIP support, made several improvements. Not finished.

README

@@ -2,4 +2,7 @@ Welcome to AntiBot GitHub!
 
 This is where AntiBot is hosted.
 
-The latest version of AntiBot is found in the downloads section.
+The latest version of AntiBot is found in the downloads section.
+
+This product includes GeoLite data created by MaxMind, available from
+http://maxmind.com/

plugin.yml

@@ -1,6 +1,6 @@
 name: AntiBot
 main: somebody.is.madbro.AntiBotCore
-version: 2.5
+version: 2.6
 description: The ultimate spam protection for Minecraft.
 commands:
    antibot:
@@ -13,7 +13,13 @@ permissions:
     description: Notifies the player if there is a current invasion.
   AntiBot.join:
     default: false
-    description: IMPORTANT! Allows players to bypass the spam system and join during invasions.  Works well with AntiBot.notify.
+    description: Allow users to bypass anti bot spam.
+  AntiBot.chatspam:
+    default: false
+    description: Allows users to bypass anti chat spam.
+  AntiBot.countryban:
+    default: false
+    description: Users with this permission can join the server if their home country is banned from the server.
   AntiBot.admin:
     default: false
     description: Full permissions! Don't give this to your admins.  Use the alternatives below.

src/com/maxmind/geoip/Country.java

@@ -0,0 +1,61 @@
+/**
+ * Country.java
+ *
+ * Copyright (C) 2003 MaxMind LLC.  All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+package com.maxmind.geoip;
+
+/**
+ * Represents a country.
+ * 
+ * @author Matt Tucker
+ */
+public class Country {
+
+    private String code;
+    private String name;
+
+    /**
+     * Creates a new Country.
+     *
+     * @param code the country code.
+     * @param name the country name.
+     */
+    public Country(String code, String name) {
+        this.code = code;
+        this.name = name;
+    }
+
+    /**
+     * Returns the ISO two-letter country code of this country.
+     *
+     * @return the country code.
+     */
+    public String getCode() {
+        return code;
+    }
+
+    /**
+     * Returns the name of this country.
+     *
+     * @return the country name.
+     */
+    public String getName() {
+        return name;
+    }
+}

src/com/maxmind/geoip/DatabaseInfo.java

@@ -0,0 +1,127 @@
+/**
+ * DatabaseInfo.java
+ *
+ * Copyright (C) 2003 MaxMind LLC.  All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+package com.maxmind.geoip;
+
+import java.util.Date;
+import java.text.SimpleDateFormat;
+import java.text.ParseException;
+
+/**
+ * Encapsulates metadata about the GeoIP database. The database has a date, is a premium or
+ * standard version, and is one of the following types:
+ *
+ * <ul>
+ *      <li>Country edition -- this is the most common version of the database. It includes
+ *          the name of the country and it's ISO country code given an IP address.
+ *      <li>Region edition -- includes the country information as well as
+ *          what U.S. state or Canadian province the IP address is from if the IP address
+ *          is from the U.S. or Canada.
+ *      <li>City edition --  includes country, region, city, postal code, latitude, and
+ *          longitude information.
+ *      <li>Org edition -- includes netblock owner.
+ *      <li>ISP edition -- ISP information.
+ * </ul>
+ *
+ * @see com.maxmind.geoip.LookupService#getDatabaseInfo()
+ * @author Matt Tucker
+ */
+public class DatabaseInfo {
+
+    public final static int COUNTRY_EDITION = 1;
+    public final static int REGION_EDITION_REV0 = 7;
+    public final static int REGION_EDITION_REV1 = 3;
+    public final static int CITY_EDITION_REV0 = 6;
+    public final static int CITY_EDITION_REV1 = 2;
+    public final static int ORG_EDITION = 5;
+    public final static int ISP_EDITION = 4;
+    public final static int PROXY_EDITION = 8;
+    public final static int ASNUM_EDITION = 9;
+    public final static int NETSPEED_EDITION = 10;
+    public final static int  DOMAIN_EDITION      = 11;
+   public final static int COUNTRY_EDITION_V6 = 12;
+   public final static int ASNUM_EDITION_V6         = 21;
+   public final static int ISP_EDITION_V6           = 22;
+   public final static int ORG_EDITION_V6           = 23;
+   public final static int DOMAIN_EDITION_V6        = 24;
+   public final static int CITY_EDITION_REV1_V6     = 30;
+   public final static int CITY_EDITION_REV0_V6     = 31;
+   public final static int NETSPEED_EDITION_REV1    = 32;
+   public final static int NETSPEED_EDITION_REV1_V6 = 33;
+
+
+private static SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
+
+    private String info;
+
+    /**
+     * Creates a new DatabaseInfo object given the database info String.
+     * @param info
+     */
+    public DatabaseInfo(String info) {
+        this.info = info;
+    }
+
+    public int getType() {
+        if (info == null || info.equals("")) {
+            return COUNTRY_EDITION;
+        }
+        else {
+            // Get the type code from the database info string and then
+            // subtract 105 from the value to preserve compatability with
+            // databases from April 2003 and earlier.
+            return Integer.parseInt(info.substring(4, 7)) - 105;
+        }
+    }
+
+    /**
+     * Returns true if the database is the premium version.
+     *
+     * @return true if the premium version of the database.
+     */
+    public boolean isPremium() {
+        return info.indexOf("FREE") < 0;
+    }
+
+    /**
+     * Returns the date of the database.
+     *
+     * @return the date of the database.
+     */
+    public Date getDate() {
+        for (int i=0; i<info.length()-9; i++) {
+            if (Character.isWhitespace(info.charAt(i))) {
+                String dateString = info.substring(i+1, i+9);
+                try {
+                    synchronized (formatter) {
+                        return formatter.parse(dateString);
+                    }
+                }
+                catch (ParseException pe) {  }
+                break;
+            }
+        }
+        return null;
+    }
+
+    public String toString() {
+        return info;
+    }
+}

src/com/maxmind/geoip/Location.java

@@ -0,0 +1,60 @@
+/**
+ * Location.java
+ *
+ * Copyright (C) 2004 MaxMind LLC.  All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Lesser Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+package com.maxmind.geoip;
+
+public class Location {
+    public String countryCode;
+    public String countryName;
+    public String region;
+    public String city;
+    public String postalCode;
+    public float latitude;
+    public float longitude;
+    public int dma_code;
+    public int area_code;
+    public int metro_code;
+
+    private final static double EARTH_DIAMETER = 2 * 6378.2;
+    private final static double PI = 3.14159265;
+    private final static double RAD_CONVERT = PI / 180;
+
+    public double distance (Location loc) {
+        double delta_lat, delta_lon;
+        double temp;
+
+        float lat1 = latitude;
+        float lon1 = longitude;
+        float lat2 = loc.latitude;
+        float lon2 = loc.longitude;
+
+        // convert degrees to radians
+        lat1 *= RAD_CONVERT;
+        lat2 *= RAD_CONVERT;
+
+        // find the deltas
+        delta_lat = lat2 - lat1;
+        delta_lon = (lon2 - lon1) * RAD_CONVERT;
+
+        // Find the great circle distance
+        temp = Math.pow(Math.sin(delta_lat/2),2) + Math.cos(lat1) * Math.cos(lat2) * Math.pow(Math.sin(delta_lon/2),2);
+        return EARTH_DIAMETER * Math.atan2(Math.sqrt(temp),Math.sqrt(1-temp));
+    }
+}