https://peach.ebu.io/technical/tutorials/tuto-oauth2-client/

https://www.pveller.com/oauth2-with-passport-10-steps-recipe/

http://www.hitotec.com/authentification-oauth-avec-passportjs-pour-une-api-rest/

https://www.shangyang.me/2018/03/11/javascript-nodejs-passport-04-deepinto-oauth2-authenticate-process/

https://blog.yorkxin.org/2013/09/30/oauth2-4-1-auth-code-grant-flow.html