feat: add HideMiddleDigits

src/Infrastructure/BotSharp.Core/Infrastructures/Utilities.cs

@@ -23,7 +23,7 @@ public static class Utilities
 
         var data = sha256.ComputeHash(Encoding.UTF8.GetBytes(text));
         var sb = new StringBuilder();
-        foreach(var c in data)
+        foreach (var c in data)
         {
             sb.Append(c.ToString("x2"));
         }
@@ -47,4 +47,36 @@ public static class Utilities
             memcache.Compact(100);
         }
     }
+
+    public static string HideMiddleDigits(string input, bool isEmail = false)
+    {
+        if (string.IsNullOrWhiteSpace(input))
+        {
+            return input;
+        }
+
+        if (isEmail)
+        {
+            int atIndex = input.IndexOf('@');
+            if (atIndex > 1)
+            {
+                string localPart = input.Substring(0, atIndex);
+                if (localPart.Length > 2)
+                {
+                    string maskedLocalPart = $"{localPart[0]}{new string('*', localPart.Length - 2)}{localPart[^1]}";
+                    return $"{maskedLocalPart}@{input.Substring(atIndex + 1)}";
+                }
+            }
+        }
+        else
+        {
+            if (input.Length > 6)
+            {
+                return $"{input.Substring(0, 3)}{new string('*', input.Length - 6)}{input.Substring(input.Length - 3)}";
+            }
+        }
+
+        return input;
+    }
+
 }

src/Infrastructure/BotSharp.OpenAPI/ViewModels/Users/UserViewModel.cs

@@ -1,4 +1,5 @@
 using BotSharp.Abstraction.Users.Enums;
+using BotSharp.Core.Infrastructures;
 using System.Text.Json.Serialization;
 
 namespace BotSharp.OpenAPI.ViewModels.Users;
@@ -57,8 +58,8 @@ public class UserViewModel
             UserName = user.UserName,
             FirstName = user.FirstName,
             LastName = user.LastName,
-            Email = user.Email,
-            Phone = !string.IsNullOrWhiteSpace(user.Phone) ? user.Phone.Replace("+86", String.Empty) : user.Phone,
+            Email = Utilities.HideMiddleDigits(user.Email, true),
+            Phone = Utilities.HideMiddleDigits((!string.IsNullOrWhiteSpace(user.Phone) ? user.Phone.Replace("+86", String.Empty) : user.Phone)),
             Type = user.Type,
             Role = user.Role,
             Source = user.Source,