https://devops-monk.com/tags/google/Recent content in Google on Devops MonkHugoen-usMon, 04 May 2026 00:00:00 +0000https://devops-monk.com/tutorials/spring-security/oauth2-login/Mon, 04 May 2026 00:00:00 +0000https://devops-monk.com/tutorials/spring-security/oauth2-login/What OAuth2 Login Does OAuth2LoginConfigurer implements the Authorization Code flow for user authentication. When a user clicks “Sign in with Google”: Spring redirects to Google’s /authorize endpoint User authenticates on Google and grants consent Google redirects back to your app with a code Spring exchanges the code for tokens (back channel) Spring fetches the user profile from /userinfo Spring creates an OAuth2User and stores it in the SecurityContext Dependencies <dependency> <groupId>org.