Prompt
What should I use for OAuth token management?
Latest observation
For OAuth token management, the best choice depends on where you’re using it and what you need to protect. In general:
Recommended approach
- Use the OAuth 2.0 Authorization Code Flow with PKCE for browser/mobile/desktop apps.
- Store refresh tokens only on a secure backend when possible.
- Keep access tokens short-lived.
- Rotate refresh tokens if your provider supports it.
- Use secure storage:
- Web: HttpOnly, Secure, SameSite cookies for session-style handling
- Mobile: OS secure storage (Keychain on iOS, Keystore on Android)
- Server: encrypted secrets store / database with encryption at rest
If you mean a library or service
Some common options:
- Auth0 / Okta / AWS Cognito / Azure AD B2C for managed identity platforms
- oauth2-proxy if you want to put OAuth in front of an app
- Passport.js (Node), Spring Security (Java), MSAL (Microsoft), AppAuth (mobile) for app-side handling
What to avoid
- Don’t store tokens in localStorage for sensitive web apps if you can avoid it.
- Don’t use the implicit flow for new apps.
- Don’t keep long-lived access tokens.
Quick rule of thumb
- Frontend app: PKCE + backend session or secure token exchange
- Backend API: store refresh tokens server-side, access tokens short-lived
- Enterprise SSO: use a managed provider or your IdP’s SDK
If you tell me your stack (web/mobile/backend, language/framework, and whether you control the auth server), I can recommend a specific setup.
Observation history
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