UNIVPLMDataIntegration/Admin.NET/Admin.NET.Core/Attribute/DataMaskAttribute.cs
zuohuaijun 5b82f75f04 😎代码优化
2025-05-25 23:04:14 +08:00

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// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
//
// 本项目主要遵循 MIT 许可证和 Apache 许可证(版本 2.0)进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
//
// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动!任何基于本项目二次开发而产生的一切法律纠纷和责任,我们不承担任何责任!
namespace Admin.NET.Core;
/// <summary>
/// 数据脱敏特性(支持自定义脱敏位置和脱敏字符)
/// </summary>
[AttributeUsage(AttributeTargets.Property)]
public class DataMaskAttribute : Attribute
{
/// <summary>
/// 脱敏起始位置从0开始
/// </summary>
private int StartIndex { get; }
/// <summary>
/// 脱敏长度
/// </summary>
private int Length { get; }
/// <summary>
/// 脱敏字符(默认*
/// </summary>
private char MaskChar { get; set; } = '*';
/// <summary>
/// 是否保留原始长度默认true
/// </summary>
private bool KeepLength { get; set; } = true;
public DataMaskAttribute(int startIndex, int length)
{
ArgumentOutOfRangeException.ThrowIfNegative(startIndex);
ArgumentOutOfRangeException.ThrowIfNegativeOrZero(length);
StartIndex = startIndex;
Length = length;
}
/// <summary>
/// 执行脱敏处理
/// </summary>
public string Mask(string input)
{
if (string.IsNullOrEmpty(input) || input.Length <= StartIndex)
return input;
var maskedLength = Math.Min(Length, input.Length - StartIndex);
var maskStr = new string(MaskChar, KeepLength ? maskedLength : Math.Min(4, maskedLength));
return input.Substring(0, StartIndex) + maskStr + (StartIndex + maskedLength < input.Length ? input.Substring(StartIndex + maskedLength) : "");
}
}