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key_untaint.go
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/
key_untaint.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"context"
"errors"
"fmt"
"io"
"os"
"code.vegaprotocol.io/vega/cmd/vegawallet/commands/cli"
"code.vegaprotocol.io/vega/cmd/vegawallet/commands/flags"
"code.vegaprotocol.io/vega/cmd/vegawallet/commands/printer"
"code.vegaprotocol.io/vega/wallet/api"
"code.vegaprotocol.io/vega/wallet/wallets"
"github.com/spf13/cobra"
)
var (
untaintKeyLong = cli.LongDesc(`
Remove the taint from a key pair.
If you tainted a key for security reasons, you should not untaint it.
`)
untaintKeyExample = cli.Examples(`
# Untaint a key pair
{{.Software}} key untaint --wallet WALLET --pubkey PUBKEY
`)
)
type UntaintKeyHandler func(api.AdminUntaintKeyParams, string) error
func NewCmdUntaintKey(w io.Writer, rf *RootFlags) *cobra.Command {
h := func(params api.AdminUntaintKeyParams, passphrase string) error {
ctx := context.Background()
walletStore, err := wallets.InitialiseStore(rf.Home, false)
if err != nil {
return fmt.Errorf("couldn't initialise wallets store: %w", err)
}
defer walletStore.Close()
if _, errDetails := api.NewAdminUnlockWallet(walletStore).Handle(ctx, api.AdminUnlockWalletParams{
Wallet: params.Wallet,
Passphrase: passphrase,
}); errDetails != nil {
return errors.New(errDetails.Data)
}
if _, errDetails := api.NewAdminUntaintKey(walletStore).Handle(ctx, params); errDetails != nil {
return errors.New(errDetails.Data)
}
return nil
}
return BuildCmdUntaintKey(w, h, rf)
}
func BuildCmdUntaintKey(w io.Writer, handler UntaintKeyHandler, rf *RootFlags) *cobra.Command {
f := &UntaintKeyFlags{}
cmd := &cobra.Command{
Use: "untaint",
Short: "Remove the taint from a key pair",
Long: untaintKeyLong,
Example: untaintKeyExample,
RunE: func(_ *cobra.Command, _ []string) error {
req, pass, err := f.Validate()
if err != nil {
return err
}
if err := handler(req, pass); err != nil {
return err
}
switch rf.Output {
case flags.InteractiveOutput:
PrintUntaintKeyResponse(w)
case flags.JSONOutput:
return nil
}
return nil
},
}
cmd.Flags().StringVarP(&f.Wallet,
"wallet", "w",
"",
"Wallet holding the public key",
)
cmd.Flags().StringVarP(&f.PublicKey,
"pubkey", "k",
"",
"Public key to untaint (hex-encoded)",
)
cmd.Flags().StringVarP(&f.PassphraseFile,
"passphrase-file", "p",
"",
"Path to the file containing the wallet's passphrase",
)
autoCompleteWallet(cmd, rf.Home, "wallet")
return cmd
}
type UntaintKeyFlags struct {
Wallet string
PublicKey string
PassphraseFile string
}
func (f *UntaintKeyFlags) Validate() (api.AdminUntaintKeyParams, string, error) {
if len(f.Wallet) == 0 {
return api.AdminUntaintKeyParams{}, "", flags.MustBeSpecifiedError("wallet")
}
if len(f.PublicKey) == 0 {
return api.AdminUntaintKeyParams{}, "", flags.MustBeSpecifiedError("pubkey")
}
passphrase, err := flags.GetPassphrase(f.PassphraseFile)
if err != nil {
return api.AdminUntaintKeyParams{}, "", err
}
return api.AdminUntaintKeyParams{
Wallet: f.Wallet,
PublicKey: f.PublicKey,
}, passphrase, nil
}
func PrintUntaintKeyResponse(w io.Writer) {
p := printer.NewInteractivePrinter(w)
str := p.String()
defer p.Print(str)
str.CheckMark().SuccessText("Untainting succeeded").NextSection()
str.RedArrow().DangerText("Important").NextLine()
str.Text("If you tainted a key for security reasons, you should not use it.").NextLine()
str.BlueArrow().InfoText("Taint a key").NextLine()
str.Text("To taint a key pair, see the following command:").NextSection()
str.Code(fmt.Sprintf("%s key taint --help", os.Args[0])).NextLine()
}