[1] Using OAuth 2.0 for Installed Applications - Google Accounts Authentication and Authorization — Google Developers (2014-12-05 11:52:26 +09:00 版) <https://developers.google.com/accounts/docs/OAuth2InstalledApp#incrementalAuth>
[2] Strava API Authentication (2016-04-15 06:01:09 +09:00 版) <https://strava.github.io/api/v3/oauth/>
approval_prompt: string optional ‘force’ or ‘auto’, use ‘force’ to always show the authorization prompt even if the user has already authorized the current application, default is ‘auto’
approval_prompt: string optional
‘force’ or ‘auto’, use ‘force’ to always show the authorization prompt even if the user has already authorized the current application, default is ‘auto’