91 lines
1.8 KiB
C#
91 lines
1.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.IO;
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using System.Net;
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using ICSharpCode.SharpZipLib.GZip;
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using MaxMind.Db;
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namespace OpenRA.Network
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{
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public class GeoIP
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{
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public class GeoIP2Record
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{
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[Constructor]
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public GeoIP2Record(GeoIP2Country country)
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{
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Country = country;
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}
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public GeoIP2Country Country { get; set; }
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}
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public class GeoIP2Country
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{
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[Constructor]
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public GeoIP2Country(GeoIP2CountryNames names)
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{
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Names = names;
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}
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public GeoIP2CountryNames Names { get; set; }
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}
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public class GeoIP2CountryNames
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{
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[Constructor]
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public GeoIP2CountryNames(string en)
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{
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English = en;
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}
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public string English { get; set; }
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}
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static Reader database;
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public static void Initialize()
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{
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try
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{
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using (var fileStream = new FileStream("GeoLite2-Country.mmdb.gz", FileMode.Open, FileAccess.Read))
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using (var gzipStream = new GZipInputStream(fileStream))
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database = new Reader(gzipStream);
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}
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catch (Exception e)
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{
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Log.Write("geoip", "DatabaseReader failed: {0}", e);
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}
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}
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public static string LookupCountry(string ip)
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{
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const string Unknown = "Unknown Location";
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try
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{
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var record = database.Find<GeoIP2Record>(IPAddress.Parse(ip));
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if (record != null)
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return record.Country.Names.English;
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else
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return Unknown;
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}
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catch (Exception e)
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{
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Log.Write("geoip", "LookupCountry failed: {0}", e);
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return Unknown;
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}
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}
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}
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}
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