/
getter.go
44 lines (36 loc) · 899 Bytes
/
getter.go
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package cmd
import (
"errors"
"syscall"
"golang.org/x/crypto/ssh/terminal"
)
// PasswordReader returns password read from a reader
type PasswordReader interface {
ReadPassword() (string, error)
}
// StdInPasswordReader default stdin password reader
type StdInPasswordReader struct {
}
// ReadPassword reads password from stdin
func (pr StdInPasswordReader) ReadPassword() (string, error) {
pwd, error := terminal.ReadPassword(int(syscall.Stdin))
return string(pwd), error
}
func readPassword(pr PasswordReader) (string, error) {
pwd, err := pr.ReadPassword()
if err != nil {
return "", err
}
if len(pwd) == 0 {
return "", errors.New("empty password provided")
}
return pwd, nil
}
// Run reads string from stdin and returns that string
func Run(pr PasswordReader) (string, error) {
pwd, err := readPassword(pr)
if err != nil {
return "", err
}
return string(pwd), nil
}