Demystifying Oauth2 Authorization framework
summary
Breaks down OAuth2 into the concrete steps needed to get real tokens using Google as an example, showing the authorization code exchange with client_id and client_secret on a backend callback, the front‑channel implicit flow for single page apps, and alternatives like client credentials and resource owner password grants. Covers scopes, redirect URL validation, token use in Authorization headers, OpenID Connect’s ID token (JWT) for authentication, and libraries like Django Allauth and requests‑oauthlib.
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chapters (12)
- 0:00Introduction to OAuth2
- 3:55OAuth2 terminology and confusion
- 5:02OAuth2 flow and resource owner
- 8:09Client ID, secret and access tokens
- 11:46Scopes and consent details
- 13:31Front channel vs back channel
- 16:18OAuth2 grant types explained
- 19:30OpenID Connect basics
- 21:57Libraries for OAuth2 implementation
- 24:30OAuth2 vs SAML and LDAP
- 26:39OpenID in social networks
- 27:43Choosing OAuth2 libraries
