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* [cmd] Abstract `getPassPhrase` functions into one. * cmd/ethkey: fix compilation failure Co-authored-by: rjl493456442 <garyrong0905@gmail.com> # Conflicts: # cmd/clef/main.go # cmd/ethkey/utils.go # cmd/geth/accountcmd.go
89 lines
2.7 KiB
Go
89 lines
2.7 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"fmt"
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"io/ioutil"
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"strings"
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"github.com/ledgerwatch/turbo-geth/accounts/keystore"
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"github.com/ledgerwatch/turbo-geth/cmd/utils"
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"github.com/urfave/cli"
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)
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var newPassphraseFlag = cli.StringFlag{
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Name: "newpasswordfile",
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Usage: "the file that contains the new password for the keyfile",
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}
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var commandChangePassphrase = cli.Command{
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Name: "changepassword",
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Usage: "change the password on a keyfile",
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ArgsUsage: "<keyfile>",
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Description: `
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Change the password of a keyfile.`,
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Flags: []cli.Flag{
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passphraseFlag,
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newPassphraseFlag,
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},
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Action: func(ctx *cli.Context) error {
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keyfilepath := ctx.Args().First()
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// Read key from file.
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keyjson, err := ioutil.ReadFile(keyfilepath)
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if err != nil {
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utils.Fatalf("Failed to read the keyfile at '%s': %v", keyfilepath, err)
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}
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// Decrypt key with passphrase.
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passphrase := getPassphrase(ctx, false)
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key, err := keystore.DecryptKey(keyjson, passphrase)
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if err != nil {
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utils.Fatalf("Error decrypting key: %v", err)
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}
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// Get a new passphrase.
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fmt.Println("Please provide a new password")
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var newPhrase string
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if passFile := ctx.String(newPassphraseFlag.Name); passFile != "" {
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content, err := ioutil.ReadFile(passFile)
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if err != nil {
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utils.Fatalf("Failed to read new password file '%s': %v", passFile, err)
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}
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newPhrase = strings.TrimRight(string(content), "\r\n")
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} else {
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newPhrase = utils.GetPassPhrase("", true)
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}
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// Encrypt the key with the new passphrase.
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newJson, err := keystore.EncryptKey(key, newPhrase, keystore.StandardScryptN, keystore.StandardScryptP)
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if err != nil {
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utils.Fatalf("Error encrypting with new password: %v", err)
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}
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// Then write the new keyfile in place of the old one.
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if err := ioutil.WriteFile(keyfilepath, newJson, 0600); err != nil {
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utils.Fatalf("Error writing new keyfile to disk: %v", err)
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}
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// Don't print anything. Just return successfully,
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// producing a positive exit code.
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return nil
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},
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}
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