9 AUTHORIZATION WITH OAUTH
Certain apps store data about users as part of a login workflow. There are many ways to implement this authentication and authorization, but one of the easiest is to use OAuth2 to piggyback on the existing accounts of well-known companies. OAuth2, or simply OAuth, is an open standard for access delegation, and you’ve probably encountered it if you’ve ever used an app’s “log in with Facebook, GitHub, or Google Account” feature.
The OAuth protocol essentially allows our web application to access another application’s login data without requiring the third party to share a user’s credentials with us. To do so, the ...
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