using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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namespace CommonToolsCore
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{
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public class AesClass
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{
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const string Key = "dau&*5asda.;lk8L";
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/// <summary>
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/// AES 加密
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/// </summary>
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/// <param name="str">明文（待加密）</param>
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/// <param name="key">key</param>
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/// <returns>密文</returns>
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public string AesEncrypt(string str, string key = Key)
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{
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if (string.IsNullOrEmpty(str)) return null;
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Byte[] toEncryptArray = Encoding.UTF8.GetBytes(str);
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RijndaelManaged rm = new RijndaelManaged
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{
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Key = Encoding.UTF8.GetBytes(key),
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Mode = CipherMode.ECB,
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Padding = PaddingMode.PKCS7
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};
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ICryptoTransform cTransform = rm.CreateEncryptor();
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Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
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return Convert.ToBase64String(resultArray, 0, resultArray.Length);
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}
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/// <summary>
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/// AES 解密
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/// </summary>
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/// <param name="str">明文（待解密）</param>
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/// <param name="key">密文</param>
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/// <returns></returns>
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public string AesDecrypt(string str, string key = Key)
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{
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if (string.IsNullOrEmpty(str)) return null;
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Byte[] toEncryptArray = Convert.FromBase64String(str);
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RijndaelManaged rm = new RijndaelManaged
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{
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Key = Encoding.UTF8.GetBytes(key),
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Mode = CipherMode.ECB,
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Padding = PaddingMode.PKCS7
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};
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ICryptoTransform cTransform = rm.CreateDecryptor();
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Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
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return Encoding.UTF8.GetString(resultArray);
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}
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/// <summary>
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/// 获取规则加密字符串 用于toke附带参数
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/// </summary>
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/// <param name="rules"> 规则集合 </param>
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/// <returns> 返回规则加密字符串 </returns>
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public string EncryptRules(RuleCollection rules)
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{
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string rs = JsonConvert.SerializeObject(rules);
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return AesEncrypt(rs);
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}
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/// <summary>
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/// 解密字规则支付穿
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/// </summary>
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/// <param name="rules">加密的字符串</param>
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/// <returns>规则字符串类</returns>
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public RuleCollection DecryptRules(string rules)
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{
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string str = AesDecrypt(rules);
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return JsonConvert.DeserializeObject<RuleCollection>(str);
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// return AesEncrypt(rs);
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}
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}
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/// <summary>
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/// 业务权限集合和其他集合
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/// </summary>
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public class RuleCollection
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{
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/// <summary>
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/// 用户名，这个名字可能会被更改
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/// </summary>
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public string User { get; set; }
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/// <summary>
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/// 授权的服务 用字符串表示，如果有 "CGGG"代表采购公告 "ZXDSFXLS" 代表竞争对手零时权限 没有该字符串，代表没有权限
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/// </summary>
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public List<string> PrivilegeService { get; set; }
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///// <summary>
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///// 采购公告
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///// </summary>
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//public int CGGG { get; set; }
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// /// <summary>
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// /// 竞争对手分析 零时权限
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// /// </summary>
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// public int ZXDSFXLS { get; set; }
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// /// <summary>
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// /// 竞争对手分析
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// /// </summary>
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// public int ZXDSFX { get; set; }
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}
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}
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