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91 lines
2.9 KiB
91 lines
2.9 KiB
using System;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.Json.Serialization;
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using Furion.JsonSerialization;
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namespace GDZZ.Core;
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/// <summary>
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/// 小程序工具类
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/// </summary>
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public class MiniProgramUtil
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{
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/// <summary>
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/// 解密数据获取小程序用户信息
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/// </summary>
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/// <param name="encryptedDataStr">包括敏感数据在内的完整用户信息的加密数据</param>
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/// <param name="session_key">auth.code2Session获取的session_key</param>
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/// <param name="iv">加密算法的初始向量</param>
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/// <returns>如遇异常返回 ""</returns>
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public static TelUserInfoModel AESDecrypt(string encryptedDataStr, string session_key, string iv)
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{
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var rlt = BasicAESDecrypt(encryptedDataStr, session_key, iv);
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return !rlt.IsEmpty() ? JSON.Deserialize<TelUserInfoModel>(rlt) : null;
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}
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/// <summary>
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/// 基础解析
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/// </summary>
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/// <param name="encryptedDataStr">包括敏感数据在内的完整用户信息的加密数据</param>
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/// <param name="session_key">auth.code2Session获取的session_key</param>
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/// <param name="iv">加密算法的初始向量</param>
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/// <returns></returns>
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private static string BasicAESDecrypt(string encryptedDataStr, string session_key, string iv)
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{
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var databyte = System.Text.Encoding.Default.GetBytes(encryptedDataStr);
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// 16进制转换成byte
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var encryptedData = Convert.FromBase64String(encryptedDataStr.Replace(" ",""));
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var managed = new RijndaelManaged
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{
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Key = Convert.FromBase64String(session_key),
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IV = Convert.FromBase64String(iv),
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Mode = CipherMode.CBC,
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Padding = PaddingMode.PKCS7
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};
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var transform = managed.CreateDecryptor();
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var finalBlock = transform.TransformFinalBlock(encryptedData, 0, encryptedData.Length);
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var result = Encoding.Default.GetString(finalBlock);
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return result;
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}
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public static byte[] GetByteArray(string shex)
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{
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string[] ssArray = shex.Split(' ');
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List<byte> bytList = new List<byte>();
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foreach (var s in ssArray)
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{ //将十六进制的字符串转换成数值
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bytList.Add(Convert.ToByte(s, 16));
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} //返回字节数组
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return bytList.ToArray();
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}
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}
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/// <summary>
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/// 小程序登录解密后的用户信息Model
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/// </summary>
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public class TelUserInfoModel
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{
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/// <summary>
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/// 手机号
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/// </summary>
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[JsonPropertyName("phoneNumber")]
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public string PhoneNumber { get; set; }
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/// <summary>
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/// 纯手机号
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/// </summary>
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[JsonPropertyName("purePhoneNumber")]
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public string PurePhoneNumber { get; set; }
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/// <summary>
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/// 区号
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/// </summary>
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[JsonPropertyName("countryCode")]
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public string CountryCode { get; set; }
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}
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