20 lines
531 B
C#
20 lines
531 B
C#
using System;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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namespace isnd.Attributes
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{
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public class SafeNameAttribute : ValidationAttribute
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{
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public override bool IsValid(object value)
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{
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if (!(value is string))
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return false;
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string str = value as string;
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if (str.Length>126) return false;
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if (str.Any(c => !char.IsLetterOrDigit(c)
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&& !"-_.".Contains(c))) return false;
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return true;
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}
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}
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} |