Java SMS One-Click Login: Complete Production-Ready Implementation with Rate Limiting & Anti-Brute Force
This article provides a complete Java implementation of SMS one-click login using Spring Boot 3, Redis, and JWT, covering business flow, configuration, Redis key design, core service code with rate limiting, blacklist, daily limits, one-time verification codes, login verification with JWT issuance, controller endpoints, production security optimizations including Lua atomic scripts, graphical captcha, channel fallback, risk control, and compliance, plus extension directions like carrier authentication and anomaly detection.
