| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "bufio" |
| 5 | "fmt" |
| 6 | "io" |
| 7 | "os" |
| 8 | "strings" |
| 9 | |
| 10 | "golang.org/x/term" |
| 11 | ) |
| 12 | |
| 13 | func askSecret(in *bufio.Scanner, w io.Writer, label string) string { |
| 14 | interactive := isTTY(os.Stdin) |
| 15 | return askSecretWith(in, w, label, interactive, func() ([]byte, error) { |
| 16 | return term.ReadPassword(int(os.Stdin.Fd())) |
| 17 | }) |
| 18 | } |
| 19 | |
| 20 | func askSecretWith(in *bufio.Scanner, w io.Writer, label string, interactive bool, readPassword func() ([]byte, error)) string { |
| 21 | fmt.Fprintf(w, "%s: ", label) |
| 22 | if interactive { |
| 23 | value, err := readPassword() |
| 24 | fmt.Fprintln(w) |
| 25 | if err != nil { |
| 26 | return "" |
| 27 | } |
| 28 | return string(value) |
| 29 | } |
| 30 | if !in.Scan() { |
| 31 | return "" |
| 32 | } |
| 33 | return strings.TrimSpace(in.Text()) |
| 34 | } |
| 35 |