added token auth for share link endpoint

cookbook/views/api.py

@@ -1401,8 +1401,10 @@ def sync_all(request):
         return redirect('list_recipe_import')
 
 
+@api_view(['GET'])
+# @schema(AutoSchema()) #TODO add proper schema
+@permission_classes([CustomIsUser & CustomTokenHasReadWriteScope])
 def share_link(request, pk):
-    if request.user.is_authenticated:
     if request.space.allow_sharing and has_group_permission(request.user, ('user',)):
         recipe = get_object_or_404(Recipe, pk=pk, space=request.space)
         link = ShareLink.objects.create(recipe=recipe, created_by=request.user, space=request.space)
@@ -1411,8 +1413,6 @@ def share_link(request, pk):
     else:
         return JsonResponse({'error': 'sharing_disabled'}, status=403)
 
-    return JsonResponse({'error': 'not_authenticated'}, status=403)
-
 
 @group_required('user')
 @ajax_request