Used to decide what to do when the server redirects to the next page.
The default implementation always returns e_oauth2_service_navigation_policy_allow.
This method is called before extract_authorization_code and can be used to block certain resources or to abort the authentication when the server redirects to an unexpected page (like when user denies authorization in the page).
| this | |
| source |
an associated Source |
| uri |
a URI of the navigation resource |