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