{"id":3871,"date":"2025-11-24T10:00:15","date_gmt":"2025-11-24T15:00:15","guid":{"rendered":"https:\/\/www.mymiller.name\/wordpress\/?p=3871"},"modified":"2025-11-24T10:00:15","modified_gmt":"2025-11-24T15:00:15","slug":"tracking-user-lifecycle-capturing-login-failed-login-and-signup-events-in-spring-authorization-server","status":"publish","type":"post","link":"https:\/\/www.mymiller.name\/wordpress\/spring_events\/tracking-user-lifecycle-capturing-login-failed-login-and-signup-events-in-spring-authorization-server\/","title":{"rendered":"Tracking User Lifecycle: Capturing Login, Failed Login, and Signup Events in Spring Authorization Server"},"content":{"rendered":"\n

Understanding how users interact with your Spring Authorization Server is crucial for security, auditing, and gaining insights into user behavior. By capturing key lifecycle events like successful logins, failed login attempts, and new user signups, you can build a robust monitoring system. This post will guide you through the process of implementing this event tracking.<\/p>\n\n\n\n

Core Principle: Leveraging Spring Security’s Event Mechanism<\/strong><\/p>\n\n\n\n

Spring Security thoughtfully publishes various application events during the authentication process. We can tap into this mechanism by creating event listeners that react to specific events, allowing us to record and process the information we need.<\/p>\n\n\n\n

1. Capturing Successful Login Events:<\/strong><\/p>\n\n\n\n

When a user successfully authenticates, Spring Security fires an AuthenticationSuccessEvent<\/code>. We can create an ApplicationListener<\/code> to capture this event.<\/p>\n\n\n\n

Java<\/p>\n\n\n\n

import org.springframework.context.ApplicationListener;\nimport org.springframework.security.authentication.event.AuthenticationSuccessEvent;\nimport org.springframework.security.core.Authentication;\nimport org.springframework.stereotype.Component;\n\nimport java.time.LocalDateTime;\n\n@Component\npublic class LoginSuccessListener implements ApplicationListener<AuthenticationSuccessEvent> {\n\n    private final YourAuditEventRepository auditEventRepository; \/\/ Assuming you have a repository\n\n    public LoginSuccessListener(YourAuditEventRepository auditEventRepository) {\n        this.auditEventRepository = auditEventRepository;\n    }\n\n    @Override\n    public void onApplicationEvent(AuthenticationSuccessEvent event) {\n        Authentication authentication = event.getAuthentication();\n        String username = authentication.getName(); \/\/ Retrieve the authenticated username\n\n        AuditEvent loginEvent = new AuditEvent();\n        loginEvent.setEventType(\"LOGIN_SUCCESS\");\n        loginEvent.setUsername(username);\n        loginEvent.setTimestamp(LocalDateTime.now());\n        \/\/ Consider capturing additional details like IP address if available in the request context\n\n        auditEventRepository.save(loginEvent);\n        System.out.println(\"Successful login by: \" + username + \" at \" + LocalDateTime.now()); \/\/ Replace with your logging\n    }\n}\n<\/code><\/pre>\n\n\n\n
Breakdown:<\/strong><\/p>\n\n\n\n
    \n
  • We implement ApplicationListener<AuthenticationSuccessEvent><\/code> to specifically listen for successful authentication events.<\/li>\n\n\n\n
  • The onApplicationEvent<\/code> method is automatically invoked when an AuthenticationSuccessEvent<\/code> occurs.<\/li>\n\n\n\n
  • We extract the Authentication<\/code> object from the event to access the authenticated principal’s name (the username).<\/li>\n\n\n\n
  • An AuditEvent<\/code> entity (which you’ll need to define) is created to store the event details.<\/li>\n\n\n\n
  • The AuditEvent<\/code> is saved to your audit log repository.<\/li>\n\n\n\n
  • A System.out.println<\/code> is used for demonstration; in a real-world scenario, integrate with a proper logging framework.<\/li>\n<\/ul>\n\n\n\n
    2. Capturing Failed Login Attempts:<\/strong><\/p>\n\n\n\n
    When authentication fails due to incorrect credentials, Spring Security publishes an AuthenticationFailureBadCredentialsEvent<\/code>. We can create another ApplicationListener<\/code> to handle these events.<\/p>\n\n\n\n
    Java<\/p>\n\n\n\n
    import org.springframework.context.ApplicationListener;\nimport org.springframework.security.authentication.event.AuthenticationFailureBadCredentialsEvent;\nimport org.springframework.stereotype.Component;\n\nimport java.time.LocalDateTime;\n\n@Component\npublic class AuthenticationFailureListener implements ApplicationListener<AuthenticationFailureBadCredentialsEvent> {\n\n    private final YourAuditEventRepository auditEventRepository;\n\n    public AuthenticationFailureListener(YourAuditEventRepository auditEventRepository) {\n        this.auditEventRepository = auditEventRepository;\n    }\n\n    @Override\n    public void onApplicationEvent(AuthenticationFailureBadCredentialsEvent event) {\n        String username = (String) event.getAuthentication().getPrincipal(); \/\/ Get the attempted username\n\n        AuditEvent failedLoginEvent = new AuditEvent();\n        failedLoginEvent.setEventType(\"LOGIN_FAILURE\");\n        failedLoginEvent.setUsername(username);\n        failedLoginEvent.setTimestamp(LocalDateTime.now());\n        \/\/ Optionally, you can capture the exception message: event.getException().getMessage()\n\n        auditEventRepository.save(failedLoginEvent);\n        System.out.println(\"Failed login attempt for user: \" + username + \" at \" + LocalDateTime.now()); \/\/ Replace with your logging\n    }\n}\n<\/code><\/pre>\n\n\n\n
    Explanation:<\/strong><\/p>\n\n\n\n
      \n
    • We implement ApplicationListener<AuthenticationFailureBadCredentialsEvent><\/code>.<\/li>\n\n\n\n
    • In the onApplicationEvent<\/code> method, we retrieve the attempted username from event.getAuthentication().getPrincipal()<\/code>.<\/li>\n\n\n\n
    • An AuditEvent<\/code> with the LOGIN_FAILURE<\/code> event type is created.<\/li>\n\n\n\n
    • The details of the failed login attempt are saved.<\/li>\n<\/ul>\n\n\n\n
      3. Capturing Signup Events:<\/strong><\/p>\n\n\n\n
      User signup is typically a custom process you implement within your Spring Authorization Server. To capture these events, you’ll need to explicitly trigger the audit event logging within your signup controller or service logic.<\/p>\n\n\n\n
      Java<\/p>\n\n\n\n
      import org.springframework.stereotype.Service;\n\nimport java.time.LocalDateTime;\n\n@Service\npublic class UserService {\n\n    private final YourUserRepository userRepository;\n    private final YourAuditEventRepository auditEventRepository;\n\n    public UserService(YourUserRepository userRepository, YourAuditEventRepository auditEventRepository) {\n        this.userRepository = userRepository;\n        this.auditEventRepository = auditEventRepository;\n    }\n\n    public void registerNewUser(UserRegistrationDTO registrationDTO) {\n        \/\/ 1. Validate the registration details\n        \/\/ ...\n\n        \/\/ 2. Create and save the new user\n        User newUser = new User();\n        newUser.setUsername(registrationDTO.getUsername());\n        \/\/ ... set other user properties ...\n        userRepository.save(newUser);\n\n        \/\/ 3. Log the signup event\n        AuditEvent signupEvent = new AuditEvent();\n        signupEvent.setEventType(\"SIGNUP_SUCCESS\");\n        signupEvent.setUsername(newUser.getUsername());\n        signupEvent.setTimestamp(LocalDateTime.now());\n        auditEventRepository.save(signupEvent);\n\n        System.out.println(\"New user signed up: \" + newUser.getUsername() + \" at \" + LocalDateTime.now()); \/\/ Replace with your logging\n\n        \/\/ 4. Potentially send a welcome email or perform other post-signup actions\n        \/\/ ...\n    }\n}\n<\/code><\/pre>\n\n\n\n
      How it Works:<\/strong><\/p>\n\n\n\n
        \n
      • Within your signup processing logic (e.g., in a UserService<\/code>), after a new user is successfully created and persisted, you create an AuditEvent<\/code> with the SIGNUP_SUCCESS<\/code> event type.<\/li>\n\n\n\n
      • The new user’s username and the current timestamp are recorded.<\/li>\n\n\n\n
      • The AuditEvent<\/code> is saved to your audit log.<\/li>\n<\/ul>\n\n\n\n
        Database Considerations:<\/strong><\/p>\n\n\n\n
        You’ll need a database table to persist these audit events. A sample AuditEvent<\/code> entity might look like this:<\/p>\n\n\n\n
        Java<\/p>\n\n\n\n
        import jakarta.persistence.*;\nimport java.time.LocalDateTime;\n\n@Entity\n@Table(name = \"audit_events\")\npublic class AuditEvent {\n\n    @Id\n    @GeneratedValue(strategy = GenerationType.IDENTITY)\n    private Long id;\n\n    @Column(nullable = false)\n    private String eventType;\n\n    private String username;\n\n    @Column(nullable = false)\n    private LocalDateTime timestamp;\n\n    \/\/ Getters and setters\n    \/\/ ...\n}\n<\/code><\/pre>\n\n\n\n
        And you’ll need a corresponding JPA repository (YourAuditEventRepository<\/code>) to interact with this table.<\/p>\n\n\n\n
        Key Takeaways and Best Practices:<\/strong><\/p>\n\n\n\n
          \n
        • Error Handling:<\/strong> Implement robust error handling in your event listeners to prevent exceptions from disrupting the authentication flow.<\/li>\n\n\n\n
        • Asynchronous Logging:<\/strong> For high-traffic environments, consider using asynchronous event listeners (@Async<\/code>) to avoid blocking request processing while writing to the audit log.<\/li>\n\n\n\n
        • Security of Logs:<\/strong> Ensure your audit logs are stored securely and access is restricted.<\/li>\n\n\n\n
        • Contextual Information:<\/strong> Enhance your audit logs by capturing additional relevant information like IP addresses, user agents, or client details. You might need to access the HttpServletRequest<\/code> for this.<\/li>\n\n\n\n
        • Proper Logging:<\/strong> Integrate with a mature logging framework (like Logback or Log4j2) for better log management and configuration.<\/li>\n\n\n\n
        • Customization:<\/strong> Tailor the AuditEvent<\/code> entity and the captured information to meet your specific auditing and monitoring requirements.<\/li>\n<\/ul>\n\n\n\n
          By implementing these strategies, you can effectively track crucial user lifecycle events in your Spring Authorization Server, providing valuable insights for security monitoring, compliance, and understanding user engagement. Remember to adapt the code and the information you capture to align with your application’s specific needs.<\/p>\n","protected":false},"excerpt":{"rendered":"
          Understanding how users interact with your Spring Authorization Server is crucial for security, auditing, and gaining insights into user behavior. By capturing key lifecycle events like successful logins, failed login attempts, and new user signups, you can build a robust monitoring system. This post will guide you through the process of implementing this event tracking. […]<\/p>\n","protected":false},"author":1,"featured_media":3872,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[436],"tags":[],"series":[],"class_list":["post-3871","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spring_events"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/05\/technology-6701509_1280-1.avif","jetpack-related-posts":[{"id":3957,"url":"https:\/\/www.mymiller.name\/wordpress\/spring-admin\/mastering-spring-authorization-server-architectural-guide\/","url_meta":{"origin":3871,"position":0},"title":"Mastering Spring Authorization Server: Architectural Guide","author":"Jeffery Miller","date":"December 24, 2025","format":false,"excerpt":"As a Software Architect, transitioning from the legacy spring-security-oauth2 to the modern Spring Authorization Server (SAS) is a critical shift. This guide provides a deep dive into building a robust identity platform integrated with Spring Cloud Gateway and Social Logins. 1. Core Architecture: How it Works Spring Authorization Server is\u2026","rel":"","context":"In "Spring Admin"","block_context":{"text":"Spring Admin","link":"https:\/\/www.mymiller.name\/wordpress\/category\/spring-admin\/"},"img":{"alt_text":"","src":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/12\/Gemini_Generated_Image_dj5ssndj5ssndj5s.avif","width":350,"height":200,"srcset":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/12\/Gemini_Generated_Image_dj5ssndj5ssndj5s.avif 1x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/12\/Gemini_Generated_Image_dj5ssndj5ssndj5s.avif 1.5x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/12\/Gemini_Generated_Image_dj5ssndj5ssndj5s.avif 2x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/12\/Gemini_Generated_Image_dj5ssndj5ssndj5s.avif 3x"},"classes":[]},{"id":3641,"url":"https:\/\/www.mymiller.name\/wordpress\/spng_security\/integrating-java-spring-with-keycloak-a-comprehensive-guide\/","url_meta":{"origin":3871,"position":1},"title":"Integrating Java Spring with Keycloak: A Comprehensive Guide","author":"Jeffery Miller","date":"December 24, 2025","format":false,"excerpt":"Java Spring, a popular framework for building enterprise-level applications, can seamlessly integrate with Keycloak, a robust open-source Identity and Access Management (IAM) solution. This combination offers a powerful way to implement secure authentication, authorization, and user management features in your Spring-based applications. Let\u2019s explore how to achieve this integration along\u2026","rel":"","context":"In "Spring Security"","block_context":{"text":"Spring Security","link":"https:\/\/www.mymiller.name\/wordpress\/category\/spng_security\/"},"img":{"alt_text":"","src":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/08\/ghost-7571881_1280-jpg.avif","width":350,"height":200,"srcset":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/08\/ghost-7571881_1280-jpg.avif 1x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/08\/ghost-7571881_1280-jpg.avif 1.5x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/08\/ghost-7571881_1280-jpg.avif 2x"},"classes":[]},{"id":3868,"url":"https:\/\/www.mymiller.name\/wordpress\/spring_events\/streamlining-user-events-integrating-aws-cognito-with-kafka\/","url_meta":{"origin":3871,"position":2},"title":"Streamlining User Events: Integrating AWS Cognito with Kafka","author":"Jeffery Miller","date":"December 24, 2025","format":false,"excerpt":"In modern application architectures, understanding user behavior is crucial. Tracking events like logins, logouts, failed login attempts, and signups can provide valuable insights for analytics, security monitoring, and personalized user experiences. This post will guide you through the process of configuring AWS Cognito to send these events to an Apache\u2026","rel":"","context":"In "Spring Events"","block_context":{"text":"Spring Events","link":"https:\/\/www.mymiller.name\/wordpress\/category\/spring_events\/"},"img":{"alt_text":"","src":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/05\/binary-7206874_1280.avif","width":350,"height":200,"srcset":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/05\/binary-7206874_1280.avif 1x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/05\/binary-7206874_1280.avif 1.5x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/05\/binary-7206874_1280.avif 2x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/05\/binary-7206874_1280.avif 3x"},"classes":[]},{"id":3438,"url":"https:\/\/www.mymiller.name\/wordpress\/spring\/architecting-with-spring-and-spring-cloud\/","url_meta":{"origin":3871,"position":3},"title":"Architecting with Spring and Spring Cloud","author":"Jeffery Miller","date":"December 24, 2025","format":false,"excerpt":"Building a Multi-Service Architecture with Spring 3.1.x and Spring Cloud: Unlocking the Power of Microservices In the ever-evolving landscape of software development, microservices have emerged as a powerful architectural paradigm, enabling organizations to build scalable, resilient, and agile applications. Spring, a widely adopted Java framework, provides a comprehensive suite of\u2026","rel":"","context":"In "Spring"","block_context":{"text":"Spring","link":"https:\/\/www.mymiller.name\/wordpress\/category\/spring\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2023\/11\/field-5236879_640.jpg?fit=640%2C360&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2023\/11\/field-5236879_640.jpg?fit=640%2C360&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2023\/11\/field-5236879_640.jpg?fit=640%2C360&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":3922,"url":"https:\/\/www.mymiller.name\/wordpress\/spng_security\/beyond-rbac-spring-security-6-oauth-2-1-and-the-zero-trust-evolution\/","url_meta":{"origin":3871,"position":4},"title":"Beyond RBAC: Spring Security 6, OAuth 2.1, and the Zero-Trust Evolution","author":"Jeffery Miller","date":"November 19, 2025","format":false,"excerpt":"The journey to Zero Trust (ZT) is an ongoing architectural evolution, not a single deployment. While the foundational principles\u2014never trust, always verify\u2014are clear, implementing them in a distributed microservice environment requires rigorous adherence to modern standards. For Spring architects and developers, Spring Security 6 and the Spring Authorization Server provide\u2026","rel":"","context":"In "Spring Security"","block_context":{"text":"Spring Security","link":"https:\/\/www.mymiller.name\/wordpress\/category\/spng_security\/"},"img":{"alt_text":"","src":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/11\/coding-1841550_1280.avif","width":350,"height":200,"srcset":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/11\/coding-1841550_1280.avif 1x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/11\/coding-1841550_1280.avif 1.5x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/11\/coding-1841550_1280.avif 2x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2025\/11\/coding-1841550_1280.avif 3x"},"classes":[]},{"id":3712,"url":"https:\/\/www.mymiller.name\/wordpress\/spring_events\/spring-into-action-with-spring-events-a-comprehensive-guide\/","url_meta":{"origin":3871,"position":5},"title":"Spring into Action with Spring Events: A Comprehensive Guide","author":"Jeffery Miller","date":"November 24, 2025","format":false,"excerpt":"Spring Framework offers a robust event handling mechanism that allows different parts of your application to communicate asynchronously. This is crucial for building loosely coupled and responsive applications, especially in a microservices architecture. This blog post will delve into Spring events, covering creation, publishing, and handling, both within a single\u2026","rel":"","context":"In "Spring Events"","block_context":{"text":"Spring Events","link":"https:\/\/www.mymiller.name\/wordpress\/category\/spring_events\/"},"img":{"alt_text":"","src":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/09\/mailbox-2462122_1280-jpg.avif","width":350,"height":200,"srcset":"https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/09\/mailbox-2462122_1280-jpg.avif 1x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/09\/mailbox-2462122_1280-jpg.avif 1.5x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/09\/mailbox-2462122_1280-jpg.avif 2x, https:\/\/www.mymiller.name\/wordpress\/wp-content\/uploads\/2024\/09\/mailbox-2462122_1280-jpg.avif 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/posts\/3871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/comments?post=3871"}],"version-history":[{"count":1,"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/posts\/3871\/revisions"}],"predecessor-version":[{"id":3873,"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/posts\/3871\/revisions\/3873"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/media\/3872"}],"wp:attachment":[{"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/media?parent=3871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/categories?post=3871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/tags?post=3871"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.mymiller.name\/wordpress\/wp-json\/wp\/v2\/series?post=3871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}