134 lines
5.0 KiB
C#
134 lines
5.0 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Linq;
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using System.Web;
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using ASC.Common.Data;
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using ASC.Common.Data.Sql;
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using ASC.Common.Data.Sql.Expressions;
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using ASC.Common.Logging;
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namespace ASC.Geolocation
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{
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public class GeolocationHelper
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{
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private static readonly ILog log = LogManager.GetLogger("ASC.Geo");
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private readonly string dbid;
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public GeolocationHelper(string dbid)
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{
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this.dbid = dbid;
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}
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public IPGeolocationInfo GetIPGeolocation(string ip)
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{
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try
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{
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var ipformatted = FormatIP(ip);
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using (var db = new DbManager(dbid))
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{
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var q = new SqlQuery("dbip_location")
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.Select("ip_start", "ip_end", "country", "city", "timezone_offset", "timezone_name")
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.Where(Exp.Le("ip_start", ipformatted))
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.OrderBy("ip_start", false)
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.SetMaxResults(1);
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return db
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.ExecuteList(q)
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.Select(r => new IPGeolocationInfo()
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{
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IPStart = Convert.ToString(r[0]),
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IPEnd = Convert.ToString(r[1]),
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Key = Convert.ToString(r[2]),
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City = Convert.ToString(r[3]),
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TimezoneOffset = Convert.ToDouble(r[4]),
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TimezoneName = Convert.ToString(r[5])
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})
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.SingleOrDefault(i => ipformatted.CompareTo(i.IPEnd) <= 0) ??
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IPGeolocationInfo.Default;
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}
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}
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catch (Exception error)
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{
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log.Error(error);
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}
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return IPGeolocationInfo.Default;
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}
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public IPGeolocationInfo GetIPGeolocationFromHttpContext()
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{
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return GetIPGeolocationFromHttpContext(Common.HttpContext.Current);
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}
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public IPGeolocationInfo GetIPGeolocationFromHttpContext(Microsoft.AspNetCore.Http.HttpContext context)
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{
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if (context != null && context.Request != null)
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{
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var ip = (string)(context.Request.HttpContext.Items["X-Forwarded-For"] ?? context.Request.HttpContext.Items["REMOTE_ADDR"]);
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if (!string.IsNullOrWhiteSpace(ip))
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{
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return GetIPGeolocation(ip);
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}
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}
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return IPGeolocationInfo.Default;
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}
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private static string FormatIP(string ip)
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{
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ip = (ip ?? "").Trim();
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if (ip.Contains('.'))
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{
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//ip v4
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if (ip.Length == 15)
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{
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return ip;
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}
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return string.Join(".", ip.Split(':')[0].Split('.').Select(s => ("00" + s).Substring(s.Length - 1)).ToArray());
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}
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else if (ip.Contains(':'))
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{
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//ip v6
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if (ip.Length == 39)
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{
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return ip;
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}
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var index = ip.IndexOf("::");
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if (0 <= index)
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{
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ip = ip.Insert(index + 2, new String(':', 8 - ip.Split(':').Length));
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}
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return string.Join(":", ip.Split(':').Select(s => ("0000" + s).Substring(s.Length)).ToArray());
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}
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else
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{
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throw new ArgumentException("Unknown ip " + ip);
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}
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}
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}
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} |