simple-cas-interface/lib/validateServiceTicket.js

Provides an interface for authenticating and validating with a JASIG CAS server

'use strict'

const log = require(require.resolve('./logger'))()
const request = require('request')

function validateServiceTicket (ticket) {
  // We're using this hack because we can't re-bind the
  // `request` function without breaking it.
  const self = this
  function promise (resolve, reject) {
    const reqOptions = {
      url: self.serverUrl + self.serviceValidateUri,
      qs: {
        ticket: ticket,
        service: self.serviceUrl
      },
      strictSSL: self.strictSSL
    }
    log.trace('validate url: %s', reqOptions.url)
    log.trace('validate qs: %j', reqOptions.qs)
    request(reqOptions, function reqCB (error, response, body) {
      if (error) {
        log.trace(error)
        return reject(error)
      }

      if (response.statusCode !== 200) {
        log.trace('Received status code: %s', response.statusCode)
        return reject(new Error(
          `CAS server returned status: ${response.statusCode}`
        ))
      }

      self._validateServiceResponse(body).then(resolve).catch(reject)
    })
  }

  return new Promise(promise)
}

module.exports = validateServiceTicket