fixing export error

rowers/views/importviews.py

@@ -39,10 +39,15 @@ def default(o):  # pragma: no cover
     raise TypeError
 
 @login_required()
+@permission_required('workout.is_workout_owner', fn=get_user_by_userid, raise_exception=True)
 def workout_export_view(request, id=0, source='c2'):
-    r = getrower(request.user)
+    r = getrequestrower(request)
     w = get_workout_by_opaqueid(request, id)
-    integration = importsources[source](request.user)
+    if w.user != request.user:
+        messages.error(request, 'You can only export your own workouts')
+        url = reverse('workouts_view')
+        return HttpResponseRedirect(url)
+    integration = importsources[source](r.user)
     try:
         id = integration.workout_export(w)
     except NoTokenError: # pragma: no cover