資料遮罩相關整理
日前剛好在公司整理有關個資法資料遮罩相關的程式發現在SQL上有遮罩在程式上也遮罩
發覺整理起來也滿麻煩的,東一塊西一塊,當然也參照相關單位所規定的遮罩規則.
所以整理出以下符合自身公司適用的遮罩!
當然如果有前輩有更好的方式,真的希望不吝賜教後輩
如果有需要的朋友也可以拿回去修改嚕!
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using Microsoft.VisualBasic;
namespace DataMask
{
public enum MaskType
{
Name ,
Creditcard ,
Addr,
Id,
Tel
}
class UtilDataMask
{
///
/// 資料遮罩
///
///需遮罩之字串
///選擇需遮罩之型態:手機,地址....
/// 加密過後的字串
public static string MaskValue(string val,MaskType Type)
{
switch (Type.ToString())
{
case "Name":
val = MaskName(val);
break;
case "Creditcard":
val = MaskCreditcard(val);
break;
case "Addr":
val = MaskAddr(val);
break;
case "Id":
val = MaskId(val);
break;
case "Tel":
val = MaskTel(val);
break;
default:
break;
}
return val;
}
///
/// 姓名遮罩包含英文姓名
///
///
/// 姓名
///
/// 王O名
private static string MaskName(string val) {
if (!string.IsNullOrEmpty(Strings.StrConv(val, VbStrConv.Narrow, 0)))
{
string maskstr, maskchar;
maskchar = null;
if (Regex.IsMatch(val, "[A-Za-z]"))
{
if (val.IndexOf("-") > 1)
{
maskstr = val.Split('-')[1];
val = val.Replace(maskstr, "*");
}
if (val.IndexOf(" ") > 1)
{
maskstr = val.Split(' ')[1];
val = val.Replace(maskstr, "*");
}
}
else
{
int End =(int)( val.Length / 2);
maskstr = val.Substring(1, End);
for (int i = 0; i < maskstr.Length; i++)
{
maskchar = maskchar + "O";
}
val = val.Replace(maskstr, maskchar);
}
}
else
{
val = "";
}
return val;
}
///
/// 信用卡遮罩--信用卡號=>前6後4不mask
///
///5555-2525-1266-2213
///
/// 5555-25**-****-2213
///
private static string MaskCreditcard(string val)
{
if (!string.IsNullOrEmpty(Strings.StrConv(val, VbStrConv.Narrow, 0)))
{
val = (Regex.IsMatch(val.Replace("-", ""), RegularExp.creditcard) ? val.Substring(0, 7) + "**-****" + val.Substring(14, 5):"");
}
else
{
val = "";
}
return val;
}
///
/// 地址=>留前6個字(Unicode)
///
///台南市中正路321巷7弄17號2F
/// 台南市中正路***********
private static string MaskAddr(string val)
{
string maskstr, maskchar;
maskchar = null;
if (!string.IsNullOrEmpty(Strings.StrConv(val, VbStrConv.Narrow, 0)))
{
int End = (int)(val.Length -6);
maskstr = val.Substring(6, End);
for (int i = 0; i < maskstr.Length; i++)
{
maskchar = maskchar + "*";
}
val = val.Replace(maskstr, maskchar);
}
else
{
val = "";
}
return val;
}
///
/// 身分證字號=>遮前五個字元
///
///A123456789
/// A1234*****
private static string MaskId(string val)
{
string maskstr, maskchar;
maskchar = null;
if (!string.IsNullOrEmpty(Strings.StrConv(val, VbStrConv.Narrow, 0)))
{
if (Regex.IsMatch(val, RegularExp.Id))
{
int End = (int)(val.Length - 5);
maskstr = val.Substring(5, End);
for (int i = 0; i < maskstr.Length; i++)
{
maskchar = maskchar + "*";
}
val = val.Substring(0, 5) + maskchar;
}
else
{
val = "";
}
}
else
{
val = "";
}
return val;
}
///
/// 聯絡方式(電話) =>固定遮後四碼
///
///02-12345678
/// 02-1234****
private static string MaskTel(string val)
{
string maskstr, maskchar;
maskchar = "****";
if (!string.IsNullOrEmpty(Strings.StrConv(val, VbStrConv.Narrow, 0)))
{
int tal = Regex.Replace(val, RegularExp.allsc, "").Length;
int Strl = tal - 4;
int minus = val.IndexOf("-") > 1 ? Strl + 1 : Strl ;
maskstr = val.Substring(minus, 4); //;val.Substring(Strl, 4);
val = val.Substring(0, minus) + maskchar;
}
else
{
val = "";
}
return val;
}
}
}
public struct RegularExp
{
//所有特殊字元
public const string allsc = @"[\W_]+";
public const string Chinese = @"^[\u4E00-\u9FA5\uF900-\uFA2D]+$";
public const string Color = "^#[a-fA-F0-9]{6}";
public const string Date = @"^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$";
public const string DateTime = @"^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d$";
public const string Email = @"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";
public const string Float = @"^(-?\d+)(\.\d+)?$";
public const string ImageFormat = @"\.(?i:jpg|bmp|gif|ico|pcx|jpeg|tif|png|raw|tga)$";
public const string Integer = @"^-?\d+$";
public const string IP = @"^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$";
public const string Letter = "^[A-Za-z]+$";
public const string LowerLetter = "^[a-z]+$";
public const string MinusFloat = @"^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$";
public const string MinusInteger = "^-[0-9]*[1-9][0-9]*$";
public const string Mobile = @"[0-9]{4}\-[0-9]{3}\-[0-9]{3}";
public const string NumbericOrLetterOrChinese = @"^[A-Za-z0-9\u4E00-\u9FA5\uF900-\uFA2D]+$";
public const string Numeric = "^[0-9]+$";
public const string NumericOrLetter = "^[A-Za-z0-9]+$";
public const string NumericOrLetterOrUnderline = @"^\w+$";
public const string PlusFloat = @"^(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$";
public const string PlusInteger = "^[0-9]*[1-9][0-9]*$";
public const string Telephone = @"[0-9]{2}\-[0-9]{7}";
public const string UnMinusFloat = @"^\d+(\.\d+)?$";
public const string UnMinusInteger = @"\d+$";
public const string UnPlusFloat = @"^((-\d+(\.\d+)?)|(0+(\.0+)?))$";
public const string UnPlusInteger = @"^((-\d+)|(0+))$";
public const string UpperLetter = "^[A-Z]+$";
public const string Url = @"^http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?$";
public const string creditcard = @"^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11})$";
//([A-Z]|[a-z])\d{9}
public const string Id = @"([A-Z]|[a-z])\d{9}";
}
使用方式:
///
/// MaskValue
///
///需遮罩之字串
///選擇需遮罩之型態:MaskType.Name,MaskType.Id....
/// 加密過後的字串
textBox10.Text = UtilDataMask.MaskValue(textBox1.Text, MaskType.Name);
結果如下圖:
參考資料:
