The Discourse code in omniauth_callbacks_controller#complete checks for the origin, but if a :destination_url cookie is set, it will use that instead. Here we set that cookie directly to ensure that after successful LTI authentication we redirect to the page the course author intended.
kevinrobinson
commented
7 years ago
The Discourse code in omniauth_callbacks_controller#complete checks for the origin, but if a
:destination_urlcookie is set, it will use that instead. Here we set that cookie directly to ensure that after successful LTI authentication we redirect to the page the course author intended.