totptool/cmds/code.nim

import otp
import os

const codeUsage* =
  """Usage: totptool code <name>

This will generate a TOTP code for the given secret
name in the secret store.
"""

proc code*(root: string, args: seq[string]) =
  if args.len != 1:
    quit "I need a machine name"

  try:
    var
      keyFileName = args[0]
      fin = open root / keyFileName
      key = fin.readLine
      totp = newTotp key

    echo totp.now()

  except:
    echo getCurrentExceptionMsg()
    quit "Couldn't do that for " & args[0] & ". Does that machine exist in the store?"