Files
nebula/cmd/nebula-cert/passwords.go
2026-05-07 22:33:14 -05:00

31 lines
643 B
Go

package main
import (
"errors"
"fmt"
"os"
"golang.org/x/term"
)
var ErrNoTerminal = errors.New("cannot read password from nonexistent terminal")
type PasswordReader interface {
ReadPassword() ([]byte, error)
}
type StdinPasswordReader struct{}
func (pr StdinPasswordReader) ReadPassword() ([]byte, error) {
if !term.IsTerminal(int(os.Stdin.Fd())) {
return nil, ErrNoTerminal
}
password, err := term.ReadPassword(int(os.Stdin.Fd()))
// Terminal echo is off while reading, so the user's Enter key does not
// produce a visible newline. Emit one on stderr to match the prompt.
fmt.Fprintln(os.Stderr)
return password, err
}