suggestion: Handle session expiration gracefully #526
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| @@ -9,8 +9,12 @@ defmodule ScreenplayWeb.AuthManager.ErrorHandler do | |||
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| @impl Guardian.Plug.ErrorHandler | |||
| def auth_error(conn, error, _opts) do | |||
| auth_params = auth_params_for_error(error) | |||
| Phoenix.Controller.redirect(conn, to: ~p"/auth/keycloak?#{auth_params}") | |||
| if Plug.Conn.get_session(conn, :previous_path) =~ "api" do | |||
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Shouldn't we be looking at the current request path rather than the previous one? I'm surprised we set a "previous path" for API requests at all — I'd expect that value to always be some browser-navigable route.
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I think the main reason for holding onto the previous path is for the sake of auth redirects. When you log in to Keycloak, you're temporarily not at the URL you want to be at so we help the user get there by holding on to their original request path. I used it here just in case it landed in this function from a Keycloak request. Because save_previous_path/2 is part of the request pipeline, it would be the same URL regardless of where the error surfaced.
| .catch((response: Response) => { | ||
| if (response.status === 403) { | ||
| setIsAlertsIntervalRunning(false); | ||
| setShowModal(true); |
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It seems we'd only show this modal if, specifically, a background alerts request fails. How is the experience if some other kind of "foreground" request fails? Should we try to integrate this into all instances where we fetch data from the server?
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Because this task was already kind of scope creep-y, I focused specifically on what I knew to be the problem we see in Sentry.
You do raise a good point though. We've had a habit of assuming a request will be successful so we unintentionally fail silently in some areas. For example, I hardcoded a 500 for the Associate with alert page and the only indicator that something went wrong is that the table is empty. Because this would be a bigger task, I'll get it added to the backlog for us to talk about in the future.
Even after #520, we still need to handle errors when someone has Screenplay open during a deploy. I think this can best be handled by looking for
apiin the previous path and returning a 403 instead of a redirect. This allows us to throw/catch an exception on the client and display a modal letting the user know they need to refresh the page.