Imagine you need to integrate a Spring Security application with an external OAuth2 provider for authentication. How would you design the interaction between the components to ensure secure authentication?

  • Use OAuth2 as a replacement for Spring Security since it handles authentication.
  • Use Spring Security's OAuth2 support to integrate with the external provider securely.
  • Implement a custom authentication mechanism without using OAuth2.
  • Store user credentials and perform authentication locally without involving external providers.
To integrate a Spring Security application with an external OAuth2 provider securely, you should use Spring Security's OAuth2 support. It provides the necessary components to interact securely with external OAuth2 providers, ensuring secure authentication. The other options suggest using OAuth2 incorrectly, implementing a custom mechanism, or storing user credentials locally, which is not recommended for OAuth2 integration.
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