cryptex/src/keySources/http.js

Secure secret storage and cryptographic key retrieval for Node.js

/*
 * Copyright (c) 2017-2019 Tom Shawver
 */

'use strict'

const request = require('request')

module.exports = opts => {
  opts = opts || {}
  const options = {
    url: process.env.CRYPTEX_KEYSOURCE_HTTP_URL || opts.url,
    timeout: process.env.CRYPTEX_KEYSOURCE_HTTP_TIMEOUT
      ? parseInt(process.env.CRYPTEX_KEYSOURCE_HTTP_TIMEOUT, 10)
      : opts.timeout || 4000,
    encoding: null
  }
  return new Promise((resolve, reject) => {
    request(options, (err, res, body) => {
      if (err) {
        reject(err)
      } else if (res.statusCode !== 200) {
        reject(
          new Error(`Server responded ${res.statusCode} ${res.statusMessage}`)
        )
      } else if (!body || !body.length) {
        reject(new Error('Server sent empty response body'))
      } else {
        resolve(body)
      }
    })
  })
}