Files
ethdo/util/passphrase.go
2020-10-30 12:30:57 +00:00

32 lines
1.0 KiB
Go

// Copyright © 2020 Weald Technology Trading
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package util
import (
zxcvbn "github.com/nbutton23/zxcvbn-go"
"github.com/spf13/viper"
)
// minPassphraseScore is the minimum acceptable passphrase score.
const minPassphraseScore = 2
// AcceptablePassphrase returns true if the passphrase is acceptable.
func AcceptablePassphrase(passphrase string) bool {
if viper.GetBool("allow-weak-passphrases") {
return true
}
res := zxcvbn.PasswordStrength(passphrase, nil)
return res.Score >= minPassphraseScore
}