74 lines
2.5 KiB
C#
74 lines
2.5 KiB
C#
namespace RIZO.Infrastructure.Helper
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{
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public static class MaskUtil
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{
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/// <summary>
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/// 手机号脱敏
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/// </summary>
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/// <param name="phone"></param>
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/// <returns></returns>
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public static string MaskPhone(string phone)
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{
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if (string.IsNullOrEmpty(phone) || phone.Length < 7) return phone;
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return phone[..3] + "****" + phone.Substring(7);
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}
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/// <summary>
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/// 身份证号
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/// </summary>
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/// <param name="idCard"></param>
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/// <returns></returns>
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public static string MaskIdCard(string idCard)
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{
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if (string.IsNullOrEmpty(idCard) || idCard.Length < 8) return idCard;
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return idCard.Substring(0, 4) + "********" + idCard.Substring(idCard.Length - 4);
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}
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/// <summary>
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/// 昵称
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/// </summary>
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/// <param name="name"></param>
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/// <returns></returns>
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public static string MaskName(string name)
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{
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if (string.IsNullOrEmpty(name)) return name;
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if (name.Length == 2) return name[..1] + "*";
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if (name.Length > 2) return name[..1] + new string('*', name.Length - 2) + name.Substring(name.Length - 1);
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return "*";
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}
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/// <summary>
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/// 脱敏 IP 地址（支持 IPv4 和 IPv6）
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/// </summary>
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public static string MaskIp(string ip)
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{
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if (string.IsNullOrWhiteSpace(ip)) return ip;
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if (System.Net.IPAddress.TryParse(ip, out var ipAddress))
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{
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if (ipAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
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{
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// IPv4：123.45.67.89 -> 123.45.*.*
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var parts = ip.Split('.');
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if (parts.Length == 4)
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{
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return $"{parts[0]}.{parts[1]}.*.*";
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}
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}
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else if (ipAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6)
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{
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// IPv6：保留前3段，其他替换为 ****
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var parts = ip.Split(':');
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for (int i = 3; i < parts.Length; i++)
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{
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parts[i] = "****";
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}
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return string.Join(":", parts);
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}
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}
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return "***.***.***.***"; // fallback
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}
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}
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}
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