This helper function lets you use environment variables to auto-authenticate on package load, intended for calling by gar_attach_auto_auth
gar_auto_auth(required_scopes, new_user = FALSE, no_auto = FALSE,
environment_var = "GAR_AUTH_FILE", travis_environment_var = NULL)Required scopes needed to authenticate - needs to match at least one
If TRUE, reauthenticate via Google login screen
If TRUE, ignore auto-authentication settings
Name of environment var that contains auth file path
No longer supported
The authentication file can be a .httr-oauth file created via gar_auth
or a Google service JSON file downloaded from the Google API credential console,
with file extension .json.
You can use this in your code to authenticate from a file location specified in file, but it is mainly intended to be called on package load via gar_attach_auto_auth.
environment_var This is the name that will be called via Sys.getenv on library load. The environment variable will contain an absolute file path to the location of an authentication file.
an OAuth token object, specifically a
Token2.0, invisibly
Help files for .onAttach
Other authentication functions: gar_attach_auto_auth,
gar_auth_service, gar_auth,
gar_gce_auth,
get_google_token,
token_exists