I have an app developed many years ago, a data collection/questionnaires app. The users of the app are able to upload files and these are sent to a single dropbox account owned by the client as opposed to users logging in and acting on their own dropbox accounts. I used to be to ask the client to generate an access token from their App console and we could use this for long term access to the account. In this scenario the users of the app have no way to authorize access to the clients account via the oAuth flow so we need a long term access token. The access tokens generated from the app console now seem to expire after a day and it would be impractical to ask the client to generate new ones every day. What is the recommended approach in this situation without having to implement the oAuth flow?
Thanks