60 lines
1.6 KiB
C#
60 lines
1.6 KiB
C#
using MongoDB.Driver;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace ET
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{
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public static class AccountHelper
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{
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public static async ETTask<int> GetFirbiddenIpCount(string ip)
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{
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var list = await DBComponent.Instance.QueryFilter(Builders<ForbiddenIP>.Filter.Eq(t => t.Ip, ip));
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if (list != null && list.Count != 0)
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{
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ForbiddenIP forbiddenIP = list[0];
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return forbiddenIP.count;
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}
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return 0;
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}
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}
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public sealed class SecurityUtil
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{
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public class SecurityData
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{
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public byte[] xorScale;
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}
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private static readonly byte[] xorScale;
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static SecurityUtil()
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{
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if (xorScale == null)
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{
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string path = Path.Combine(Environment.CurrentDirectory, "../Release/key");
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string str = File.ReadAllText(path);
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SecurityData data = MongoHelper.FromJson<SecurityData>(str);
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xorScale = data.xorScale;
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}
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}
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/// <summary>
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/// 对数组进行异或
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/// </summary>
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/// <param name="buffer"></param>
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/// <returns></returns>
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public static byte[] Xor(byte[] buffer)
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{
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//------------------
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//第3步：xor解密
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//------------------
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int iScaleLen = xorScale.Length;
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for (int i = 0; i < buffer.Length; i++)
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{
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buffer[i] = (byte)(buffer[i] ^ xorScale[i % iScaleLen]);
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}
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return buffer;
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}
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}
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}
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