index.js

var express = require('express');
const nodemailer = require('nodemailer');
const {google} = require('googleapis');

var FB = require('fb');
FB.options({version: 'v6.0'});

var app = express();
var http = require('http').Server(app);
var port = process.env.PORT || 4000;

app.use(express.json());

const access_token = 'EAADgzgjeDx8BANPAnK9BxkYsw07bPbkEwFBSwPVg159IL846dVHyZAoZA0auSZBLhcMsm1behnWxkFPAssLjKOGaeu4GuAhrPtCmZCxO5GyiiRU2b0VO9D9ActCv5b9v72gY2mRZCJujZCd9stUQ2mQ2ZClhOZAnSgCFr5Bxo0FMcQZDZD';

const GMAIL_CLIENT_ID = "385637139395-pv6262mlqckc14egfshufjqpmgvqua8d.apps.googleusercontent.com"
const GMAIL_CLIENT_SECRET = "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"
const GMAIL_REDIRECT_URI = "https://developers.google.com/oauthplayground"
const GMAIL_REFRESH_TOKEN = "1//04Eg_5tK9SjDVCgYIARAAGAQSNwF-L9IrpxKlR9v8o8ViUYIlT9qNecYmj1H3ld92qb2bzdVen879JULKuR9ynjExbvFTLDva9QI"

const gmail_auth = {
  type: "OAuth2",
  user: "webmaster@cissa.org.au",
  clientId: GMAIL_CLIENT_ID,
  clientSecret: GMAIL_CLIENT_SECRET,
  refreshToken: GMAIL_REFRESH_TOKEN
}

const oAuth2Client = new google.auth.OAuth2(GMAIL_CLIENT_ID, GMAIL_CLIENT_SECRET, GMAIL_REDIRECT_URI);
oAuth2Client.setCredentials({refresh_token: GMAIL_REFRESH_TOKEN});

app.post('/send-mail', async function(req, res){
  try{
    const access_token = oAuth2Client.getAccessToken();
    const transport = nodemailer.createTransport({
      service: "gmail",
      auth: {
        ...gmail_auth,
        accessToken: access_token
      }
    });

    const mail_options = {
      from: "webmaster@cissa.org.au",
      to: req.body.receiver,
      subject: req.body.subject,
      text: req.body.text,
    }

    const result = await transport.sendMail(mail_options);

    console.log(req.body);
    //console.log(result);
    res.send(result);
  }catch(error){
    console.log(error);
    res.send({error: true});
  }
})

app.get('/api-cj', function(req, res){
  FB.api(
    '/243471740089969/videos',
    'GET',
    {
      access_token,
      fields:'description,embed_html,title'
    },
    function(response) { 
      if(!response || response.error) {
        res.status(404).send(response.error);
      }
      else {
        res.status(200).send(response.data)
      }
    }
  );
});

// Get the list of data on all events
app.get('/fetch-events', function(req, res){
  FB.api(
    '/1678235912453132/events',
    'GET',
    {
      access_token,
      fields:'id,cover,description,start_time,name,place'
    },
    function(response) { 
      if(!response || response.error) {
        res.status(404).send(response.error);
      }
      else {
        res.status(200).send(response.data)
      }
    }
  );
});

// Get data on a specific event
app.get('/fetch-events/:event_id', function(req, res) {
  FB.api(
    `/${req.params.event_id}`,
    'GET',
    {
      access_token,
      fields:'id,cover,description,start_time,name,place'
    },
    function(response) { 
      if(!response || response.error) {
        res.status(404).send(response.error);
      }
      else {
        res.status(200).send(response)
      }
    }
  );
});

// Load static pages
app.get('/', function(req, res){
  res.sendFile(__dirname + '/static/index.html');
});
app.get('/events', function(req, res){
  res.sendFile(__dirname + '/static/events.html');
});
app.get('/about', function(req, res){
  res.sendFile(__dirname + '/static/about.html');
});
app.get('/gallery', function(req, res){
  res.sendFile(__dirname + '/static/gallery.html');
});
app.get('/past-events', function(req, res){
  res.sendFile(__dirname + '/static/past_events.html');
});
app.get('/contact', function(req, res){
  res.sendFile(__dirname + '/static/contact.html');
});
app.get('/sponsors', function(req, res){
  res.sendFile(__dirname + '/static/sponsors.html');
});
app.get('/codejam', function(req, res){
  res.sendFile(__dirname + '/static/codejam.html');
});
app.get('/signup', function(req, res){
  res.sendFile(__dirname + '/static/signup.html');
});
app.get('/careers', function(req, res){
  res.sendFile(__dirname + '/static/careers.html')
})


app.use('/', express.static('static/'));

http.listen(port, function(){
  console.log('listening on *:' + port);
});

app.set('trust proxy', true);
app.set('trust proxy', 'loopback');