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112 lines
2.2 KiB
112 lines
2.2 KiB
package cmd
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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"github.com/bgentry/speakeasy"
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"github.com/mattn/go-isatty"
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"github.com/pkg/errors"
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"github.com/spf13/viper"
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data "github.com/tendermint/go-wire/data"
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"github.com/tendermint/tmlibs/cli"
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keys "github.com/tendermint/go-crypto/keys"
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)
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const PassLength = 10
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// if we read from non-tty, we just need to init the buffer reader once,
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// in case we try to read multiple passwords (eg. update)
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var buf *bufio.Reader
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func inputIsTty() bool {
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return isatty.IsTerminal(os.Stdin.Fd()) || isatty.IsCygwinTerminal(os.Stdin.Fd())
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}
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func stdinPassword() (string, error) {
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if buf == nil {
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buf = bufio.NewReader(os.Stdin)
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}
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pass, err := buf.ReadString('\n')
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if err != nil {
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return "", err
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}
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return strings.TrimSpace(pass), nil
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}
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func getPassword(prompt string) (pass string, err error) {
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if inputIsTty() {
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pass, err = speakeasy.Ask(prompt)
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} else {
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pass, err = stdinPassword()
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}
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if err != nil {
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return "", err
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}
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if len(pass) < PassLength {
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return "", errors.Errorf("Password must be at least %d characters", PassLength)
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}
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return pass, nil
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}
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func getCheckPassword(prompt, prompt2 string) (string, error) {
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// simple read on no-tty
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if !inputIsTty() {
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return getPassword(prompt)
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}
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// TODO: own function???
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pass, err := getPassword(prompt)
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if err != nil {
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return "", err
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}
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pass2, err := getPassword(prompt2)
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if err != nil {
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return "", err
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}
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if pass != pass2 {
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return "", errors.New("Passphrases don't match")
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}
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return pass, nil
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}
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func printInfo(info keys.Info) {
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switch viper.Get(cli.OutputFlag) {
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case "text":
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addr, err := data.ToText(info.Address)
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if err != nil {
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panic(err) // really shouldn't happen...
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}
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sep := "\t\t"
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if len(info.Name) > 7 {
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sep = "\t"
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}
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fmt.Printf("%s%s%s\n", info.Name, sep, addr)
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case "json":
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json, err := data.ToJSON(info)
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if err != nil {
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panic(err) // really shouldn't happen...
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}
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fmt.Println(string(json))
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}
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}
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func printInfos(infos keys.Infos) {
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switch viper.Get(cli.OutputFlag) {
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case "text":
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fmt.Println("All keys:")
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for _, i := range infos {
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printInfo(i)
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}
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case "json":
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json, err := data.ToJSON(infos)
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if err != nil {
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panic(err) // really shouldn't happen...
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}
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fmt.Println(string(json))
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}
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}
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