Phase 5: Enterprise Integration & Authentication · 55 min · Python · OIDC · OAuth 2.0
OIDC and OAuth 2.0 Token Management
Tokens expire. Refresh flows don't. Plan for both.
Hiring signal: System design interviews test OAuth 2.0 flow selection: candidates who choose authorization code with PKCE for web apps, client credentials for service-to-service, and can describe refresh token rotation pass. Candidates who use implicit flow (deprecated) or hardcode tokens fail. Multi-IdP support (Azure AD, Okta, Google Workspace) and handling IdP-specific quirks is expected FDE knowledge.
What you will learn
- Configure OIDC: ID tokens, userinfo endpoint, scopes, claims, discovery documents
- Implement OAuth 2.0 flows: authorization code with PKCE, client credentials, refresh token flow
- Manage tokens securely: storage, refresh token rotation, token revocation
- Handle credential rotation: rotating client secrets without downtime
- Support multiple IdPs: Azure AD, Okta, Google Workspace, PingFederate
What You'll Learn
This lesson takes approximately 55 min. By the end, you will be able to:
- Configure OIDC: ID tokens, userinfo endpoint, scopes, claims, discovery documents
- Implement OAuth 2.0 flows: authorization code with PKCE, client credentials, refresh token flow
- Manage tokens securely: storage, refresh token rotation, token revocation
- Handle credential rotation: rotating client secrets without downtime
- Support multiple IdPs: Azure AD, Okta, Google Workspace, PingFederate
The Problem
OIDC and OAuth 2.0 are the modern authentication and authorization protocols. Your AI platform likely uses OIDC for user authentication and OAuth 2.0 for API access. This lesson covers token flows (authorization code, client credentials, refresh), token validation, scope management, and managing token lifecycle in long-running AI services.
Unlock the full lesson
You've read the first 2 sections. The rest of this lesson covers OIDC Configuration: Discovery, ID Tokens, Scopes, OAuth 2.0 Authorization Code Flow with PKCE, Validating ID Tokens, Token Management for Long-Running AI Services, Credential Rotation Without Downtime, Multi-IdP Support, Practical Application, What Hiring Managers Look For, Resources, Key Takeaways, Next Steps — plus a hands-on lab, quiz, and project artifact.
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