utils: add otplease util for otp prompting

lib/utils/otplease.js

@@ -0,0 +1,27 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const optCheck = require('figgy-pudding')({
+  prompt: {default: 'This operation requires a one-time password.\nEnter OTP:'},
+  otp: {}
+})
+const readUserInfo = require('./read-user-info.js')
+
+module.exports = otplease
+function otplease (opts, fn) {
+  opts = opts.concat ? opts : optCheck(opts)
+  return BB.try(() => {
+    return fn(opts)
+  }).catch(err => {
+    if (err.code !== 'EOTP' && !(err.code === 'E401' && /one-time pass/.test(err.body))) {
+      throw err
+    } else if (!process.stdin.isTTY || !process.stdout.isTTY) {
+      throw err
+    } else {
+      return readUserInfo.otp(
+        optCheck(opts).prompt
+      ).then(otp => fn(opts.concat({otp})))
+    }
+  })
+}