Question 1

How do I set up openidconnect-rs with Actix-Web for user login?

Accepted Answer

The library's docs.rs examples show configuration with provider metadata; you need to handle redirect URIs, client secrets, and token verification. It integrates by managing the authorization code flow, but you must implement session handling and error management in your web framework.

Question 2

What's the difference between openidconnect-rs and the oauth2 crate in Rust?

Accepted Answer

openidconnect-rs extends OAuth 2.0 with OpenID Connect-specific features like ID tokens and user claims, offering type-safe abstractions, whereas the oauth2 crate is a lower-level OAuth 2.0 implementation without built-in OpenID Connect support. Choose openidconnect-rs for identity verification and standard compliance.

Question 3

Does openidconnect-rs support PKCE for mobile or SPAs?

Accepted Answer

Yes, it supports Proof Key for Code Exchange as part of OAuth 2.0 extensions, which is crucial for securing authorization codes in public clients. You can enable it via configuration to prevent code interception attacks in single-page or mobile apps.

Question 4

How to handle token refresh and expiration with this library?

Accepted Answer

Use the token response's refresh token and expiration times; the library provides methods to verify ID tokens, but you need to implement storage and automatic renewal logic, as it doesn't handle persistent token management out-of-the-box.

Question 5

Is openidconnect-rs production-ready for high-traffic applications?

Accepted Answer

With active maintenance, CI/CD, and high test coverage shown in badges, it's reliable for production. However, performance depends on your implementation—ensure proper caching of provider metadata and efficient token validation to handle scale.

Question 6

Can I use openidconnect-rs with custom or in-house identity providers?

Accepted Answer

Yes, it's extensible and works with any OpenID Connect compliant provider by configuring the issuer URL and client credentials. You'll need to ensure the provider supports the required endpoints and standards listed in the README.

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