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, environment_var = "GAR_AUTH_FILE")
an OAuth token object, specifically a
Token2.0
, invisibly
Required scopes needed to authenticate - needs to match at least one
Name of environment var that contains auth file path
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.
Help files for .onAttach
Other authentication functions:
gar_attach_auto_auth()
,
gar_auth()
,
gar_auth_service()
,
gar_gce_auth()
,
get_google_token()
,
should_skip_token_checks()
,
token_exists()