nebula/cmd/nebula-cert/passwords.go

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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()))
fmt.Println()
return password, err
}