42 lines
994 B
C#
42 lines
994 B
C#
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using Contracts.BusinessLogicContracts;
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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.Text;
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using System.Threading.Tasks;
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namespace BusinessLogic.Tools
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{
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public class TwoFactorAuthService : ITwoFactorAuthService
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{
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private string _code = string.Empty;
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private const int LENGTH_CODE = 5;
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public string GenerateCode()
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{
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_code = _getCode(LENGTH_CODE);
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return _code;
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}
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private string _getCode(int length)
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{
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string res = "";
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var rand = new Random();
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for (int i = 0; i < length; i++)
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{
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res += rand.Next(0, 9).ToString();
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}
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return res;
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}
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public bool Verify(string code)
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{
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if (_code == string.Empty)
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{
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throw new Exception("Source code is not generated.");
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}
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return _code == code;
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}
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}
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}
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