fix: prevent member detail match when url contains .

Author: glitchedmob

SgfDevs/Controllers/MemberController.cs

@@ -1,3 +1,4 @@
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Filters;
@@ -58,6 +59,11 @@ public IPublishedContent FindContent(ActionExecutingContext actionExecutingConte
     [HttpGet]
     public async Task<IActionResult> MemberProfile(string username)
     {
+        if (string.IsNullOrWhiteSpace(username) || username.Any(c => !char.IsLetterOrDigit(c)))
+        {
+            return NotFound();
+        }
+
         var memberUser = await _memberManager.FindByNameAsync(username);
         if (memberUser == null)
         {

SgfDevs/Program.cs

@@ -66,7 +66,7 @@
     {
         u.EndpointRouteBuilder.MapControllerRoute(
             "ProfileCustomRoute",
-            "member/{username}",
+            "member/{username:regex(^[a-zA-Z0-9]+$)}",
             new { Controller = "Member", Action = "MemberProfile" });
         u.UseBackOfficeEndpoints();
         u.UseWebsiteEndpoints();