61 lines
1.8 KiB
C#
61 lines
1.8 KiB
C#
using System;
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using System.ComponentModel.DataAnnotations;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.RegularExpressions;
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using BasicDotnetTemplate.MainProject.Enum;
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using BasicDotnetTemplate.MainProject.Models.Settings;
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namespace BasicDotnetTemplate.MainProject.Utils;
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public partial class PasswordUtils
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{
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private const int MIN_LENGTH = 8;
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private const int MIN_UPPER = 2;
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private const int MIN_LOWER = 2;
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private const int MIN_NUMBER = 2;
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private const int MIN_SPECIAL = 2;
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[GeneratedRegex("[A-Z]")]
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private static partial Regex RegexUpper();
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[GeneratedRegex("[a-z]")]
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private static partial Regex RegexLower();
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[GeneratedRegex("[0-9]")]
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private static partial Regex RegexNumber();
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[GeneratedRegex("[^a-zA-Z0-9]")]
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private static partial Regex RegexSpecial();
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[GeneratedRegex(@"(\S)\1{2,}", RegexOptions.IgnoreCase | RegexOptions.Compiled)]
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private static partial Regex RegexIdenticalChars();
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public static List<string> ValidatePassword(string password)
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{
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List<string> errors = [];
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if (password.Length < 8)
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errors.Add(PasswordValidationEnum.MIN_LENGTH);
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if (RegexUpper().Matches(password).Count < MIN_UPPER)
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errors.Add(PasswordValidationEnum.MIN_UPPER);
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if (RegexLower().Matches(password).Count < MIN_LOWER)
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errors.Add(PasswordValidationEnum.MIN_LOWER);
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if (RegexNumber().Matches(password).Count < MIN_NUMBER)
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errors.Add(PasswordValidationEnum.MIN_NUMBER);
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if (RegexSpecial().Matches(password).Count < MIN_SPECIAL)
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errors.Add(PasswordValidationEnum.MIN_SPECIAL);
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if (RegexIdenticalChars().IsMatch(password))
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errors.Add(PasswordValidationEnum.IDENTICAL_CHARS);
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return errors;
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}
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}
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