Checks the URL of the Shiny app to get the state and code URL parameters.
authReturnCode(session, securityCode = getOption("googleAuthR.securitycode"))A shiny session object
A random string to check the auth comes form the same origin.
The Google auth token in the code URL parameter.
Other shiny auth functions: createCode,
gar_shiny_getAuthUrl,
gar_shiny_getToken,
gar_shiny_getUrl,
loginOutput,
reactiveAccessToken,
renderLogin,
revokeEventObserver,
with_shiny