Auto Authentication function for use within .onAttach
To be placed within .onAttach to auto load an authentication file from an environment variable.
gar_attach_auto_auth(required_scopes, environment_var = "GAR_AUTH_FILE")
required_scopes |
A character vector of minimum required scopes for this API library |
environment_var |
The name of the environment variable where the file path to the authentication file is kept This function works with gar_auto_auth. It is intended to be placed within the .onAttach hook so that it loads when you load your library. For auto-authentication to work, the environment variable needs to hold a file path to an existing auth file such as created via gar_auth or a JSON file file download from the Google API console. |
Invisible, used for its side effects of calling auto-authentication.
Other authentication functions:
gar_auth_service(),
gar_auth(),
gar_auto_auth(),
gar_gce_auth(),
get_google_token(),
token_exists()
## Not run:
.onAttach <- function(libname, pkgname){
googleAuthR::gar_attach_auto_auth("https://www.googleapis.com/auth/urlshortener", "US_AUTH_FILE")
}
## will only work if you have US_AUTH_FILE environment variable pointing to an auth file location
## .Renviron example
US_AUTH_FILE="/home/mark/auth/urlshortnerauth.json"
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.