pv.go

/////////////////////////////////////////
// pv.go - Secret password vault termui
// Mike Schilli, 2022 (m@perlmeister.com)
/////////////////////////////////////////
package main

import (
  "bufio"
  "errors"
  "flag"
  "fmt"
  "golang.org/x/crypto/ssh/terminal"
  "os"
  "strings"
)

func main() {
  add := flag.Bool("add", false, "Add new password entry")
  flag.Parse()

  fmt.Printf("Password: ")
  password, err := terminal.ReadPassword(int(os.Stdin.Fd()))
  if err != nil {
    panic(err)
  }

  txt, err := readEnc(string(password))
  if err != nil {
    if !errors.Is(err, os.ErrNotExist) {
      panic(err)
    }
  }

  if *add {
    fmt.Printf("\rNew entry: ")
    reader := bufio.NewReader(os.Stdin)
    entry, _ := reader.ReadString('\n')
    txt = txt + entry
    writeEnc(txt, string(password))
    return
  }

  lines := strings.Split(strings.TrimSuffix(txt, "\n"), "\n")
  runUI(lines)
}