kami-parse-server/src/Adapters/Auth/linkedin.js

// Helper functions for accessing the linkedin API.
var Parse = require('parse/node').Parse;
const httpsRequest = require('./httpsRequest');

// Returns a promise that fulfills iff this user id is valid.
function validateAuthData(authData) {
  return request('people/~:(id)', authData.access_token, authData.is_mobile_sdk)
    .then((data) => {
      if (data && data.id == authData.id) {
        return;
      }
      throw new Parse.Error(
        Parse.Error.OBJECT_NOT_FOUND,
        'Linkedin auth is invalid for this user.');
    });
}

// Returns a promise that fulfills iff this app id is valid.
function validateAppId() {
  return Promise.resolve();
}

// A promisey wrapper for api requests
function request(path, access_token, is_mobile_sdk) {
  var headers = {
    'Authorization': 'Bearer ' + access_token,
    'x-li-format': 'json',
  }

  if(is_mobile_sdk) {
    headers['x-li-src'] = 'msdk';
  }
  return httpsRequest.get({
    host: 'api.linkedin.com',
    path: '/v1/' + path,
    headers: headers
  });
}

module.exports = {
  validateAppId: validateAppId,
  validateAuthData: validateAuthData
};