I have experience in implementing OAuth 2.0 flow to get access token/refresh token for a logged-in user in "Basic LTI launch request" in other LMS such as Canvas and Blackboard Learn.
I have been trying to implement a similar flow in Moodle, but I couldn't able to find useful resources. As I have limited knowledge in Moodle, I came to this forum to get some expert advice/guidance.
I would like to redirect the user to Allow/Cancel access during the first time LTI launch request is initiated and if the user allowed the tool, the tool will proceed further and the tool will not receive the confirmation page afterwards once allowed. If the access token is expired, the tool will renew the access token by passing refresh_token. Is this possible in Moodle?