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sukmo88

PROFILE

Sukmo88

Sukmo worked on the Kernel360/blog repository, delivering two technical blog posts that addressed authentication and integration challenges in Java-based systems. He documented the implementation of Google OAuth2 and JWT login in Spring Boot, analyzing security aspects such as CSRF with SameSite=None and proposing enhancements like refresh tokens and token blacklisting. In another post, he clarified the differences between HTTP/1.1 and HTTP/2 in the context of Firebase Cloud Messaging, diagnosing a protocol incompatibility and providing a practical workaround. His work combined technical writing, security analysis, and hands-on Java development, offering clear guidance and reusable documentation for future engineering efforts.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
2
Lines of code
228
Activity Months2

Work History

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary for Kernel360/blog: Delivered a technical guidance post clarifying HTTP/1.1 vs HTTP/2 in the context of a Firebase Admin Java SDK/FCM integration issue. Diagnosed that 'Host: fcm.googleapis.com' is not compatible with HTTP/2 messaging and documented a reliable workaround by forcing HTTP/1.1 to avoid the error in production scenarios. The work aids developers, reduces debugging time, and informs future architecture decisions. Committed as 0b6dfa294dab6a3ae6d5306efc991a07db1b7b30.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025: Kernel360/blog focused on documenting and presenting Google OAuth2 + JWT login integration in Spring Boot. Key deliverable: a technical blog post detailing implementation, security implications (CSRF with SameSite=None), and proposed enhancements such as Refresh Tokens and a blacklist. This work provides a clear reference for secure authentication, supports future implementation, and demonstrates disciplined documentation alongside code changes. No major bug fixes recorded for this period. Technologies demonstrated include Spring Boot, Google OAuth2, JWT, CSRF mitigation, and documentation-driven development.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaMarkdown

Technical Skills

Firebase Cloud MessagingHTTP/2JWTJavaOAuth2Security AnalysisSpring BootTechnical Writing

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

Kernel360/blog

Feb 2025 Apr 2025
2 Months active

Languages Used

MarkdownJava

Technical Skills

JWTOAuth2Security AnalysisSpring BootTechnical WritingFirebase Cloud Messaging

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