sample of ims-lti for node

gistfile1.txt

var https = require('https');
var fs = require('fs');
var express = require('express');
var app = express();
var lti = require('ims-lti');

var ssl_options = {
  key: fs.readFileSync(__dirname + '/ssl/localhost.key'),
  cert: fs.readFileSync(__dirname + '/ssl/localhost.crt'),
  requestCert: false,
  rejectUnauthorized: false
};

var consumer_key = "key";
var consumer_secret = "secret";

app.post('/launch_lti', function(req, res){
  var provider = new lti.Provider(consumer_key, consumer_secret);
  provider.valid_request(req, function(err, isValid) {
    console.log(err);
    res.send("valid_request? " + isValid);

  });

});

var server = https.createServer(ssl_options, app).listen(3001, function(){
  console.log("https server started at port 3001");
});