ngrid-electric-login/getSignInPage.js

Login to the NGrid Electric website using curl

var https = require('https')
var cheerio =  require('cheerio')
var exec = require('child_process').exec;
var request = require('request')
var rk = require('required-keys');
var atSignInPage = require('./atSignInPage')
module.exports = function (cb) {
  var jar = request.jar()
  var url = 'https://www1.nationalgridus.com/CorporateHub'
  var opts = {
    url: url,
    jar: jar,
    followAllRedirects: false,
    rejectUnauthorized: false,
    followRedirects: false,
    maxRedirects: 20
  }
  request(opts, function (err, res, body) {
    res = null
    body = null
    if (err) {
      return cb({
        message: 'error getting viewState and event validation for login',
        error: err,
        url: url,
        stack: new Error().stack
      })
    }
    var url = 'https://www1.nationalgridus.com/Massachusetts'
    var opts = {
      url: url,
      jar: jar,
      followAllRedirects: false,
      followRedirects: true,
      maxRedirects: 20,
      rejectUnauthorized: false
    }
    request(opts, function (err, res, body) {
      if (err) {
        return cb({
          message: 'error getting sign in page, failed to load page',
          error: err,
          url: url,
          stack: new Error().stack
        })
      }
      var headers = res.headers
      var cookieStrings = headers['set-cookie']
      var url = 'https://www1.nationalgridus.com/SignIn'
      var opts = {
        url: url,
        jar: jar,
        followAllRedirects: false,
        followRedirects: false,
        rejectUnauthorized: false
      }
      request(opts, function (err, res, body) {
        if (err) {
          return cb({
            message: 'error getting viewState and event validation for login',
            error: err,
            url: url,
            stack: new Error().stack
          })
        }
        var $ = cheerio.load(body)
        var atPage = atSignInPage($)
        if (atPage) {
          return cb(null, $)
        }
        return cb({
          message: 'perform login failed, failed to get sign in page html',
          error: err,
          stack: new Error().stack
        })
      })
    })
  })
}