hurricane/security_camera/resources/cloud_server/public/src/boot/firebase/Authentication.js - v4.1

import firebase from 'firebase/app'
import 'firebase/auth'
import { b64DecodeUnicode } from 'helpers/Base64'
import axios from 'axios/index'
import { store } from 'store'
import { FUNCTIONS_URL } from 'firebaseConfig/firebase-config'
export default class Authentication {
  /*********************************************************************************************************/
  constructor (app) {
    const self = this
    this.app = app
    this.auth = app.auth()
    this.auth.onAuthStateChanged((user) => self._onAuthStateChanged(self, user))
  }
  /*********************************************************************************************************/
  register (code) {
    this.unregister()
    let data = {
      code
    }
    logger.debug(`Registration info: ${JSON.stringify(data)}`)
    return axios.post(FUNCTIONS_URL + '/registerDevice', data)
      .then((res) => {
        if (res.status === 200) {
          return firebase.auth().signInWithCustomToken(res.data.token).then(() => {
            return true
          })
        }
        throw new Error(`Registration failed, err: ${res.data}`)
      }).catch((error) => {
        if (error['response']) {
          const resp = error.response
          return firebase.Promise.reject(new Error(`(${resp.status}) ${resp.data}`))
        } else {
          return firebase.Promise.reject(error)
        }
      })
  }
  /*********************************************************************************************************/
  unregister () {
    store.dispatch('firebase/logout')
    this.app.backend.db.stopWatching()
    this.auth.signOut()
  }
  /********************************
   * Private Methods
   ********************************/
  /*********************************************************************************************************/
  _onAuthStateChanged (self, user) {
    if (user && self.auth.currentUser) {
      logger.debug('Logged in')
      self.auth.currentUser.getIdToken().then((token) => {
        const payload = JSON.parse(b64DecodeUnicode(token.split('.')[1]))
        if (payload.did) {
          logger.debug(`did: ${payload.did}`)
          logger.debug(`uuid: ${payload.uuid}`)
          store.commit('firebase/deviceId', payload.did)
        } else {
          logger.warn('Token does not contain a deviceId')
          store.commit('firebase/deviceId', false)
        }
      }).catch((err) => {
        logger.warn(`Failed to retrieve login token, err:${err.description || err.message || err.toString()}`)
        store.commit('firebase/deviceId', false)
      })
    } else {
      logger.debug('Not logged in')
      store.commit('firebase/deviceId', false)
    }
  }
}