using System.Data;
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using System.Text;
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using MES.Service.DB;
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namespace MES.Service.service;
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public class LoginService
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{
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public static SqlServerSQLHelper SQLHelper = new();
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public DataTable login(string name, string pwd)
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{
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var sql =
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string.Format(@"select * from CSFrameworkV5_System.dbo.tb_myuser where Account = '{0}'",
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name);
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var dataTable = SQLHelper.ExecuteQuery(sql);
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if (dataTable.Rows.Count <= 0) throw new Exception("用户不存在");
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var key = new KeyProviderRijndael("%SaFz$^p", "3aW%^&Fd");
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var row = dataTable.Rows[0];
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var db_password = row["Password"].ToString();
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var enpassword = key.Encrypt(pwd);
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if (!enpassword.Equals(db_password)) throw new Exception("用户名或者密码错误");
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return dataTable;
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}
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public DataTable getUserMenu(string name)
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{
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var sql = string.Format(@"select BB004 PAGE_VIEW,BB005 PATH,'' ICOIMG from GS_BI_QXBB where bb001 = '{0}'", name);
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return SQLHelper.ExecuteQuery(sql);
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}
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public int resetPassword(string newPwd, string name, string pwd)
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{
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login(name, pwd);
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var passwordHash = encryptPass(newPwd);
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var sql = string.Format(
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@"update SYS_USER set FPASSWORD = '{0}' where FCODE = '{1}'",
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passwordHash,
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name);
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return SQLHelper.ExecuteNonQuery(sql);
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}
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private string encryptPass(string str)
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{
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var b = Encoding.GetEncoding("iso-8859-1").GetBytes(str);
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var temp = (byte[])b.Clone();
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for (var i = 0; i < b.Length; i++) temp[i] = (byte)(b[i] ^ (8 + 18));
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var result =
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8 + Encoding.GetEncoding("iso-8859-1").GetString(temp);
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return result;
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}
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private string ProPass(string src)
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{
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var result = "";
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var first = int.Parse(src.Substring(0, 1));
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var src_tem = src.Substring(1);
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var b = Encoding.GetEncoding("iso-8859-1")
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.GetBytes(src_tem);
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var temp = (byte[])b.Clone();
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for (var i = 0; i < b.Length; i++)
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temp[i] = (byte)(temp[i] ^ (first + 18));
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result = Encoding.GetEncoding("iso-8859-1")
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.GetString(temp);
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return result;
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}
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}
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