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清理冗余代码，以防杀毒软件检测异常。
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@OdysseusYuan
OdysseusYuan committed Nov 9, 2022
1 parent cb833c0 commit f4357f4
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Showing 3 changed files with 80 additions and 272 deletions.
350 changes: 79 additions & 271 deletions LKY_OfficeTools/Common/Com_NetworkOS.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,12 +8,8 @@
using LKY_OfficeTools.Lib;
using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using static LKY_OfficeTools.Common.Com_NetworkOS.IP.ToLocation;

namespace LKY_OfficeTools.Common
{
Expand Down Expand Up @@ -61,32 +57,22 @@ internal static string GetMyIP_Info()
if (string.IsNullOrEmpty(ip))
{
//没获取到IP，则返回未知
return "unknow";
ip = "ip_unknow";
}

//解析IP
ToLocation location = new ToLocation();
IPLocation loc = location.Get(ip);

string ip_info = string.Empty;
//归属地非空判断
if (!string.IsNullOrEmpty(loc.country))
{
ip_info = loc.country;
}

//运营商非空判断
if (!string.IsNullOrEmpty(loc.area))
string ip_location = IP2Location();
if (string.IsNullOrEmpty(ip_location))
{
ip_info += " - " + loc.area;
//没获取到归属地，则返回未知
ip_location = "location_unknow";
}

return $"{ip} ({ip_info})";
return $"{ip} ({ip_location})";
}
catch
{
//意外失败，返回error
return "error!";
return "ip_info_error!";
}
}

Expand All @@ -96,46 +82,88 @@ internal static string GetMyIP_Info()
/// <returns></returns>
internal static string GetMyIP()
{
//先从Update里面获取信息，如果已经访问过json，则直接用，否则重新访问
string info = Lib_AppUpdate.latest_info;
if (string.IsNullOrEmpty(info))
try
{
info = Com_WebOS.Visit_WebClient(Lib_AppUpdate.update_json_url);
}

//截取服务器列表
string ip_server_info = Com_TextOS.GetCenterText(info, "\"IP_Check_Url_List\": \"", "\"");
//先从Update里面获取信息，如果已经访问过json，则直接用，否则重新访问
string info = Lib_AppUpdate.latest_info;
if (string.IsNullOrEmpty(info))
{
info = Com_WebOS.Visit_WebClient(Lib_AppUpdate.update_json_url);
}

string req_url = null;
//截取服务器列表
string ip_server_info = Com_TextOS.GetCenterText(info, "\"IP_Check_Url_List\": \"", "\"");

//遍历获取ip
if (!string.IsNullOrEmpty(ip_server_info))
{
List<string> ip_server = new List<string>(ip_server_info.Split(';'));
foreach (var now_server in ip_server)
//遍历获取ip
if (!string.IsNullOrEmpty(ip_server_info))
{
//获取成功时结束，否则遍历获取
string my_ip_page = Com_WebOS.Visit_WebClient(now_server.Replace(" ", "")); //替换下无用的空格字符后访问Web
string my_ip = GetIPFromHtml(my_ip_page);
if (string.IsNullOrEmpty(my_ip))
{
//获取失败则继续遍历
continue;
}
else
List<string> ip_server = new List<string>(ip_server_info.Split(';'));
foreach (var now_server in ip_server)
{
return my_ip;
//获取成功时结束，否则遍历获取
string my_ip_page = Com_WebOS.Visit_WebClient(now_server.Replace(" ", "")); //替换下无用的空格字符后访问Web
string my_ip = GetIPFromHtml(my_ip_page);
if (string.IsNullOrEmpty(my_ip))
{
//获取失败则继续遍历
continue;
}
else
{
return my_ip;
}
}
//始终没获取到IP，则返回null
return null;
}
else
{
//获取失败时，使用默认值
string req_url = "http://www.net.cn/static/customercare/yourip.asp";
string my_ip_page = Com_WebOS.Visit_WebClient(req_url);
return GetIPFromHtml(my_ip_page);
}
//始终没获取到IP，则返回null
}
catch
{
return null;
}
else
}

/// <summary>
/// 将 IP 映射到归属地
/// </summary>
/// <returns></returns>
internal static string IP2Location()
{
try
{
//获取失败时，使用默认值
req_url = "http://www.net.cn/static/customercare/yourip.asp";
string my_ip_page = Com_WebOS.Visit_WebClient(req_url);
return GetIPFromHtml(my_ip_page);
string req_url = "https://2022.ip138.com";

//访问页面
string ip_page = Com_WebOS.Visit_WebClient(req_url);

//页面非空判断
if (string.IsNullOrEmpty(ip_page))
{
throw new Exception();
}

//拆解html
string ip_location = Com_TextOS.GetCenterText(ip_page, "来自：", "</p>").Replace("\r", "").Replace("\n", "");

//解析非空判断
if (string.IsNullOrEmpty(ip_location))
{
throw new Exception();
}

//无任何问题，直接返回该值
return ip_location;
}
catch
{
return null;
}
}

Expand Down Expand Up @@ -164,227 +192,7 @@ private static string GetIPFromHtml(string pageHtml)
}
}

///<summary>
/// 提供从IP数据库搜索IP信息；
///</summary>
internal class ToLocation
{
Stream ipFile;
long ip;

///<summary>
/// 地理位置,包括国家和地区
///</summary>
internal struct IPLocation
{
internal string ip, country, area;
}

///<summary>
/// 【从嵌入的dat资源读取】获取指定IP所在位置
///</summary>
///<param name="strIP">要查询的IP地址</param>
///<returns></returns>
internal IPLocation Get(string strIP)
{
try
{
//从资源中读取dat
Assembly assm = Assembly.GetExecutingAssembly();
ipFile = assm.GetManifestResourceStream("LKY_OfficeTools" + ".Resource." + "qqwry.dat"); //命名空间修改时，LKY_OfficeTools 也要进行相应修改。
IPLocation loc = new IPLocation();
ip = IPToLong(strIP);

//ip获取的long不能为异常值（-1）
if (ip != -1)
{
long[] ipArray = BlockToArray(ReadIPBlock());
long offset = SearchIP(ipArray, 0, ipArray.Length - 1) * 7 + 4;
ipFile.Position += offset;//跳过起始IP
ipFile.Position = ReadLongX(3) + 4;//跳过结束IP


loc.ip = strIP;

int flag = ipFile.ReadByte();//读取标志
if (flag == 1)//表示国家和地区被转向
{
ipFile.Position = ReadLongX(3);
flag = ipFile.ReadByte();//再读标志
}
long countryOffset = ipFile.Position;
loc.country = ReadString(flag).Replace("CZ88.NET", "-"); //替换掉无值时的版权信息

if (flag == 2)
{
ipFile.Position = countryOffset + 3;
}
flag = ipFile.ReadByte();
loc.area = ReadString(flag).Replace("CZ88.NET", "-"); //替换掉无值时的版权信息;

ipFile.Close();
ipFile = null;
}
return loc;
}
catch
{
return new IPLocation();
}
}

///<summary>
/// 将字符串形式的IP转换位long
///</summary>
///<param name="strIP"></param>
///<returns>异常时返回 -1</returns>
long IPToLong(string strIP)
{
try
{
//ip不为空，且有四个“.”分割的数字
if (!string.IsNullOrEmpty(strIP) && strIP.Split('.').Length == 4)
{
byte[] ip_bytes = new byte[8];
string[] strArr = strIP.Split(new char[] { '.' });
for (int i = 0; i < 4; i++)
{
ip_bytes[i] = byte.Parse(strArr[3 - i]);
}
return BitConverter.ToInt64(ip_bytes, 0);
}
else
{
return -1;
}
}
catch
{
return -1;
}
}

///<summary>
/// 将索引区字节块中的起始IP转换成Long数组
///</summary>
///<param name="ipBlock"></param>
long[] BlockToArray(byte[] ipBlock)
{
try
{
long[] ipArray = new long[ipBlock.Length / 7];
int ipIndex = 0;
byte[] temp = new byte[8];
for (int i = 0; i < ipBlock.Length; i += 7)
{
Array.Copy(ipBlock, i, temp, 0, 4);
ipArray[ipIndex] = BitConverter.ToInt64(temp, 0);
ipIndex++;
}
return ipArray;
}
catch
{
return null;
}
}

///<summary>
/// 从IP数组中搜索指定IP并返回其索引
///</summary>
///<param name="ipArray">IP数组</param>
///<param name="start">指定搜索的起始位置</param>
///<param name="end">指定搜索的结束位置</param>
///<returns></returns>
int SearchIP(long[] ipArray, int start, int end)
{
try
{
int middle = (start + end) / 2;
if (middle == start)
return middle;
else if (ip < ipArray[middle])
return SearchIP(ipArray, start, middle);
else
return SearchIP(ipArray, middle, end);
}
catch
{
return -1;
}
}

///<summary>
/// 读取IP文件中索引区块
///</summary>
///<returns></returns>
byte[] ReadIPBlock()
{
try
{
long startPosition = ReadLongX(4);
long endPosition = ReadLongX(4);
long count = (endPosition - startPosition) / 7 + 1;//总记录数
ipFile.Position = startPosition;
byte[] ipBlock = new byte[count * 7];
ipFile.Read(ipBlock, 0, ipBlock.Length);
ipFile.Position = startPosition;
return ipBlock;
}
catch
{
return null;
}
}

///<summary>
/// 从IP文件中读取指定字节并转换位long
///</summary>
///<param name="bytesCount">需要转换的字节数，主意不要超过8字节</param>
///<returns></returns>
long ReadLongX(int bytesCount)
{
try
{
byte[] _bytes = new byte[8];
ipFile.Read(_bytes, 0, bytesCount);
return BitConverter.ToInt64(_bytes, 0);
}
catch
{
return -1;
}
}

///<summary>
/// 从IP文件中读取字符串
///</summary>
///<param name="flag">转向标志</param>
///<returns></returns>
string ReadString(int flag)
{
try
{
if (flag == 1 || flag == 2)//转向标志
ipFile.Position = ReadLongX(3);
else
ipFile.Position -= 1;

List<byte> list = new List<byte>();
byte b = (byte)ipFile.ReadByte();
while (b > 0)
{
list.Add(b);
b = (byte)ipFile.ReadByte();
}
return Encoding.Default.GetString(list.ToArray());
}
catch
{
return null;
}
}
}
}
}
}
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