Imports github.com/go-ping/ping github.com/pkg/browser golang.org/x/oauth2 golang.org/x/oauth2/google golang.org/x/term google.golang.org/api/gmail/v1 google.golang.org/api/option Standard library imports bufio context encoding/base64 encoding/json errors fmt io log net/http net/http/cookiejar net/url os regexp strings syscall time