Method open

modules/pm2-io-agent/src/Utility.js:336–379

* Send an HTTP request and return data or error if status > 200 * @param {Object} opts * @param {String} opts.url * @param {String} opts.method * @param {Object} [opts.data] * @param {Object} [opts.headers] * @param {Function} cb invoked with

(opts, cb)

   * @param {Function} cb invoked with <err, body>
   */
  open (opts, cb) {
    const http = this.getModule(opts.url)
    const parsedUrl = new URL(opts.url)
    let data = null
    const options = {
      hostname: parsedUrl.hostname,
      path: parsedUrl.pathname + parsedUrl.search,
      port: parsedUrl.port,
      method: opts.method,
      headers: opts.headers,
      agent: cst.PROXY ? new ProxyAgent(cst.PROXY) : undefined
    }

    if (opts.data) {
      data = JSON.stringify(opts.data)
      options.headers = Object.assign({
        'Content-Type': 'application/json',
        'Content-Length': data.length
      }, opts.headers)
    }

    const req = http.request(options, (res) => {
      let body = ''

      res.setEncoding('utf8')
      res.on('data', (chunk) => {
        body += chunk.toString()
      })
      res.on('end', () => {
        try {
          let jsonData = JSON.parse(body)
          return cb(null, jsonData)
        } catch (err) {
          return cb(err)
        }
      })
    })
    req.on('error', cb)

    if (data) {
      req.write(data)
    }
    req.end()
  }
}

module.exports = {