netroy/index.js

## readme.md

      
    Raw
  

              readme.md
            
          
    setup


get node 6.x
run npm install or yarn
run node index.js
open http://localhost:3000/auth/fitbit/connect


## index.js
const OAuth2 = require('oauth').OAuth2
const Koa = require('koa')
const router = require('koa-router')()
const querystring = require('querystring')

const FITBIT_KEY = '---'
const FITBIT_SECRET = '---'

const baseUrl = 'https://www.fitbit.com'
const authUrl = '/oauth2/authorize'
const tokenUrl = 'https://api.fitbit.com/oauth2/token'
const scopes = ['profile', 'heartrate']
const callbackUrl = 'http://localhost:3000/auth/fitbit/callback'
const authParams = {
  response_type: 'code',
  redirect_uri: callbackUrl,
  scope: scopes.join(' ')
}

const fitbitAuth = new OAuth2(FITBIT_KEY, FITBIT_SECRET, baseUrl, authUrl, tokenUrl)

router.get('/auth/fitbit/connect', context => {
  context.redirect(fitbitAuth.getAuthorizeUrl(authParams))
})

router.get('/auth/fitbit/callback', (context, next) => {
  const body = querystring.stringify({
    code: context.query.code,
    grant_type: 'authorization_code',
    client_id: FITBIT_KEY,
    redirect_uri: callbackUrl
  })
  const headers = {
    'Content-Type': 'application/x-www-form-urlencoded',
    'Authorization': 'Basic ' + new Buffer(FITBIT_KEY + ':' + FITBIT_SECRET).toString('base64')
  }

  return new Promise((resolve, reject) => {
    fitbitAuth._request('POST', tokenUrl, headers, body, null, (err, data) => {
      if (err) {
        console.log('error', err)
        resolve('failed')
      } else {
        console.log('got an access-token', data.access_token)
        resolve('connected')
      }
    })
  }).then(status => {
    context.body = `<!doctype html> <meta http-equiv="refresh" content="0; url=clue://auth/fitbit/${status}">`
    return next()
  })
})

const app = new Koa()
app.use(router.routes())
app.listen(3000, () => {
  console.log('open http://localhost:3000/auth/fitbit/connect in a browser to start')
})

## package.json
{
  "name": "fitbit",
  "version": "1.0.0",
  "main": "index.js",
  "dependencies": {
    "koa": "2.0.0",
    "koa-router": "7.0.1",
    "oauth": "0.9.14"
  }
}
	const OAuth2 = require('oauth').OAuth2
	const Koa = require('koa')
	const router = require('koa-router')()
	const querystring = require('querystring')

	const FITBIT_KEY = '---'
	const FITBIT_SECRET = '---'

	const baseUrl = 'https://www.fitbit.com'
	const authUrl = '/oauth2/authorize'
	const tokenUrl = 'https://api.fitbit.com/oauth2/token'
	const scopes = ['profile', 'heartrate']
	const callbackUrl = 'http://localhost:3000/auth/fitbit/callback'
	const authParams = {
	response_type: 'code',
	redirect_uri: callbackUrl,
	scope: scopes.join(' ')
	}

	const fitbitAuth = new OAuth2(FITBIT_KEY, FITBIT_SECRET, baseUrl, authUrl, tokenUrl)

	router.get('/auth/fitbit/connect', context => {
	context.redirect(fitbitAuth.getAuthorizeUrl(authParams))
	})

	router.get('/auth/fitbit/callback', (context, next) => {
	const body = querystring.stringify({
	code: context.query.code,
	grant_type: 'authorization_code',
	client_id: FITBIT_KEY,
	redirect_uri: callbackUrl
	})
	const headers = {
	'Content-Type': 'application/x-www-form-urlencoded',
	'Authorization': 'Basic ' + new Buffer(FITBIT_KEY + ':' + FITBIT_SECRET).toString('base64')
	}

	return new Promise((resolve, reject) => {
	fitbitAuth._request('POST', tokenUrl, headers, body, null, (err, data) => {
	if (err) {
	console.log('error', err)
	resolve('failed')
	} else {
	console.log('got an access-token', data.access_token)
	resolve('connected')
	}
	})
	}).then(status => {
	context.body = `<!doctype html> <meta http-equiv="refresh" content="0; url=clue://auth/fitbit/${status}">`
	return next()
	})
	})

	const app = new Koa()
	app.use(router.routes())
	app.listen(3000, () => {
	console.log('open http://localhost:3000/auth/fitbit/connect in a browser to start')
	})
	{
	"name": "fitbit",
	"version": "1.0.0",
	"main": "index.js",
	"dependencies": {
	"koa": "2.0.0",
	"koa-router": "7.0.1",
	"oauth": "0.9.14"
	}
	}