Remove hardcoded admin username for security

Updated logging to use the authenticated user's name instead of a static admin username. This change enhances security by eliminating the use of hardcoded credentials.

Author: CalinL

src/webapp01/Pages/Index.cshtml.cs

@@ -1,15 +1,9 @@
-using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
 
 namespace webapp01.Pages;
 
 public class IndexModel : PageModel
 {
-	string adminUserName = "demouser@example.com";
-
-	// TODO: Don't use this in production
-	public const string DEFAULT_PASSWORD = "Pass@word1";
-
     private readonly ILogger<IndexModel> _logger;
 
     public IndexModel(ILogger<IndexModel> logger)
@@ -19,9 +13,6 @@ public IndexModel(ILogger<IndexModel> logger)
 
     public void OnGet()
     {
-        string drive = Request.Query.ContainsKey("drive") ? Request.Query["drive"] : "C";
-        var str = $"/C fsutil volume diskfree {drive}:";
-        _logger.LogInformation($"Command str: {str}");
-         _logger.LogInformation("Admin" + adminUserName);
+        _logger.LogInformation($"User: {User.Identity?.Name}");
     }
 }