mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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fd4f6397ee
* cmd/clef, signer/core: use better terminal input for passwords, make it possible to avoid boot-up warning * all: move commonly used prompter to isolated (small) package * cmd/clef: Add new --acceptWarn to clef README * cmd/clef: rename flag 'acceptWarn' to 'suppress-bootwarn' Co-authored-by: ligi <ligi@ligi.de> # Conflicts: # cmd/clef/main.go # cmd/devp2p/dnscmd.go # cmd/ethkey/utils.go # cmd/geth/accountcmd.go # cmd/geth/chaincmd.go # cmd/geth/main.go # cmd/wnode/main.go # console/bridge.go # console/console.go # console/console_test.go # signer/core/cliui.go
92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
// Copyright 2017 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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"encoding/json"
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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/cmd/utils"
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"github.com/ledgerwatch/turbo-geth/console/prompt"
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"github.com/ledgerwatch/turbo-geth/crypto"
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"github.com/urfave/cli"
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)
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// promptPassphrase prompts the user for a passphrase. Set confirmation to true
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// to require the user to confirm the passphrase.
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func promptPassphrase(confirmation bool) string {
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passphrase, err := prompt.Stdin.PromptPassword("Password: ")
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if err != nil {
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utils.Fatalf("Failed to read password: %v", err)
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}
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if confirmation {
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confirm, err := prompt.Stdin.PromptPassword("Repeat password: ")
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if err != nil {
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utils.Fatalf("Failed to read password confirmation: %v", err)
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}
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if passphrase != confirm {
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utils.Fatalf("Passwords do not match")
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}
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}
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return passphrase
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}
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// getPassphrase obtains a passphrase given by the user. It first checks the
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// --passfile command line flag and ultimately prompts the user for a
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// passphrase.
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func getPassphrase(ctx *cli.Context) string {
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// Look for the --passwordfile flag.
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passphraseFile := ctx.String(passphraseFlag.Name)
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if passphraseFile != "" {
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content, err := ioutil.ReadFile(passphraseFile)
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if err != nil {
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utils.Fatalf("Failed to read password file '%s': %v",
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passphraseFile, err)
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}
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return strings.TrimRight(string(content), "\r\n")
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}
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// Otherwise prompt the user for the passphrase.
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return promptPassphrase(false)
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}
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// signHash is a helper function that calculates a hash for the given message
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// that can be safely used to calculate a signature from.
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//
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// The hash is calulcated as
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// keccak256("\x19Ethereum Signed Message:\n"${message length}${message}).
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//
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// This gives context to the signed message and prevents signing of transactions.
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func signHash(data []byte) []byte {
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msg := fmt.Sprintf("\x19Ethereum Signed Message:\n%d%s", len(data), data)
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return crypto.Keccak256([]byte(msg))
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}
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// mustPrintJSON prints the JSON encoding of the given object and
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// exits the program with an error message when the marshaling fails.
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func mustPrintJSON(jsonObject interface{}) {
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str, err := json.MarshalIndent(jsonObject, "", " ")
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if err != nil {
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utils.Fatalf("Failed to marshal JSON object: %v", err)
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}
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fmt.Println(string(str))
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}
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