snap-oauth-2/index.js


const request = require('request')
dataObject = {}

class snapxauth {
  constructor (clientId, clientSecret, redirectUri) {
    dataObject.client_id = clientId
    dataObject.client_secret = clientSecret
    dataObject.redirect_uri = redirectUri
    dataObject.grant_type = 'authorization_code'
    dataObject.scope = 'offline'
  }

  getAccessToken (code) {
    console.log('get access token is calling')
    dataObject.code = code
    return new Promise((resolve, reject) => {
      if (!code) return reject('grant code is not valid')

      request.post(
        {
          headers: { 'content-type': 'application/json' },
          url: `http://localhost:3000/oauth/token`,
          body: JSON.stringify(dataObject)
        },
        function (error, response, body) {
          if (!body) return reject('grant code is not valid')

          body = JSON.parse(body)

          if (body.error) {
            return reject(body.error_description)
          }

          if (body) {
            return resolve(body)
          }
        }
      )
    })
  }
  getUserInfo (token) {
    return new Promise((resolve, reject) => {
      if (!token) return reject('access token is not valid')
      request.get(
        {
          headers: { Authorization: `Bearer ${token}` },
          url: `http://localhost:3000/api/userinfo/`
        },
        function (error, response, body) {
          console.log(body)
          if (!body) return reject('grant code is not valid')

          body = JSON.parse(body)

          if (body.id) return resolve(body)
          return reject('data not found')
        }
      )
    })
  }
  getUserData (code) {
    return new Promise((resolve, reject) => {
      if (!code) reject('grant code is not valid')
      this.getAccessToken(code)
        .then(token => {
          console.log('THIS IS ACCESS TOKEN    ')
          console.log(token.access_token.value)
          console.log('THIS IS ACCESS TOKEN    ')

          this.getUserInfo(token.access_token.value)
            .then(userData => {
              console.log('getting user info')
              return resolve(userData)
            })
            .catch(err => {
              console.log('getting user info error')
              return reject(err)
            })
        })
        .catch(err => {
          return reject(err)
        })
    })
  }
  renewAccessToken (refresh_token) {
    return new Promise((resolve, reject) => {
      if (!refresh_token) return reject('refresh_token is not valid')
      request.get(
        {
          headers: { Authorization: `Bearer ${refresh_token}` },
          url: `http://localhost:3000/oauth/refresh_token`
        },
        function (error, response, body) {
          body = JSON.parse(body)
          if (body.message) {
            return reject(body.messsage)
          }
          if (body) return resolve(body)
          return reject('refresh_token not found')
        }
      )
    })
  }
}
module.exports = snapxauth