[AC-1139] Created AuthorizationServiceExtensions to have an extension method for AuthorizeAsync where the resource is null

src/Api/Utilities/AuthorizationServiceExtensions.cs

@@ -0,0 +1,32 @@
+using System.Security.Claims;
+using Microsoft.AspNetCore.Authorization;
+
+namespace Bit.Api.Utilities;
+
+public static class AuthorizationServiceExtensions
+{
+    /// <summary>
+    /// Checks if a user meets a specific requirement.
+    /// </summary>
+    /// <param name="service">The <see cref="IAuthorizationService"/> providing authorization.</param>
+    /// <param name="user">The user to evaluate the policy against.</param>
+    /// <param name="requirement">The requirement to evaluate the policy against.</param>
+    /// <returns>
+    /// A flag indicating whether requirement evaluation has succeeded or failed.
+    /// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
+    /// </returns>
+    public static Task<AuthorizationResult> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, IAuthorizationRequirement requirement)
+    {
+        if (service == null)
+        {
+            throw new ArgumentNullException(nameof(service));
+        }
+
+        if (requirement == null)
+        {
+            throw new ArgumentNullException(nameof(requirement));
+        }
+
+        return service.AuthorizeAsync(user, resource: null, new[] { requirement });
+    }
+}