// promptPass prompts the user for a passphrase with the given prefix. The
// function will ask the user to confirm the passphrase and will repeat the
// prompts until they enter a matching response.
func promptPass(reader *bufio.Reader, prefix string, confirm bool) ([]byte, error) {
// Prompt the user until they enter a passphrase.
prompt := fmt.Sprintf("%s: ", prefix)
for {
fmt.Print(prompt)
pass, err := terminal.ReadPassword(int(os.Stdin.Fd()))
if err != nil {
return nil, err
}
fmt.Print("\n")
pass = bytes.TrimSpace(pass)
if len(pass) == 0 {
continue
}
if !confirm {
return pass, nil
}
fmt.Print("Confirm passphrase: ")
confirm, err := terminal.ReadPassword(int(os.Stdin.Fd()))
if err != nil {
return nil, err
}
fmt.Print("\n")
confirm = bytes.TrimSpace(confirm)
if !bytes.Equal(pass, confirm) {
fmt.Println("The entered passphrases do not match")
continue
}
return pass, nil
}
}
func promptSecret(what string) (string, error) {
fmt.Printf("%s: ", what)
fd := int(os.Stdin.Fd())
input, err := terminal.ReadPassword(fd)
fmt.Println()
if err != nil {
return "", err
}
return string(input), nil
}
// ProvidePrivPassphrase is used to prompt for the private passphrase which
// maybe required during upgrades.
func ProvidePrivPassphrase() ([]byte, error) {
prompt := "Enter the private passphrase of your wallet: "
for {
fmt.Print(prompt)
pass, err := terminal.ReadPassword(int(os.Stdin.Fd()))
if err != nil {
return nil, err
}
fmt.Print("\n")
pass = bytes.TrimSpace(pass)
if len(pass) == 0 {
continue
}
return pass, nil
}
}