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