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password.go
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password.go
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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright 2019 DNA Dev team
//
// Copyright (C) 2018 The ontology Authors
// This file is part of The ontology library.
//
// The ontology is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The ontology is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with The ontology. If not, see <http://www.gnu.org/licenses/>.
// +build !windows
package password
import (
"bytes"
"fmt"
"os"
"github.com/howeyc/gopass"
)
// GetPassword gets password from user input
func GetPassword() ([]byte, error) {
fmt.Printf("Password:")
passwd, err := gopass.GetPasswd()
if err != nil {
return nil, err
}
return passwd, nil
}
// GetConfirmedPassword gets double confirmed password from user input
func GetConfirmedPassword() ([]byte, error) {
fmt.Printf("Password:")
first, err := gopass.GetPasswd()
if err != nil {
return nil, err
}
if 0 == len(first) {
fmt.Println("User have to input password.")
os.Exit(1)
}
fmt.Printf("Re-enter Password:")
second, err := gopass.GetPasswd()
if err != nil {
return nil, err
}
if 0 == len(second) {
fmt.Println("User have to input password.")
os.Exit(1)
}
if !bytes.Equal(first, second) {
fmt.Println("Unmatched Password")
os.Exit(1)
}
return first, nil
}
// GetPassword gets node's wallet password from command line or user input
func GetAccountPassword() ([]byte, error) {
var passwd []byte
var err error
passwd, err = GetPassword()
if err != nil {
return nil, err
}
return passwd, nil
}