40 lines
1.3 KiB
C#
40 lines
1.3 KiB
C#
using Mirea.Api.Security.Common.Model;
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using System.Linq;
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using System.Security;
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namespace Mirea.Api.Security.Services;
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public class PasswordPolicyService(PasswordPolicy policy)
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{
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public void ValidatePasswordOrThrow(string password)
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{
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if (password.Length < policy.MinimumLength)
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throw new SecurityException($"Password must be at least {policy.MinimumLength} characters long.");
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if (policy.RequireLetter && !password.Any(char.IsLetter))
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throw new SecurityException("Password must contain at least one letter.");
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if (policy.RequireLettersDifferentCase && !password.Any(char.IsLower) && !password.Any(char.IsUpper))
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throw new SecurityException("Password must contain at least one lowercase and uppercase letter.");
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if (policy.RequireDigit && !password.Any(char.IsDigit))
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throw new SecurityException("Password must contain at least one digit.");
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if (policy.RequireSpecialCharacter && password.All(char.IsLetterOrDigit))
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throw new SecurityException("Password must contain at least one special character.");
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}
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public bool TryValidatePassword(string password)
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{
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try
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{
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ValidatePasswordOrThrow(password);
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}
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catch
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{
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return false;
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}
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return true;
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}
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} |