fix: 보안·안정성·동시성 개선 3차
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- 입력 검증 강화 (로그인/체인 핸들러 전체)
- boss raid 비관적 잠금으로 동시성 문제 해결
- SSAFY 사용자명 sanitize + 트랜잭션 처리
- constant-time API 키 비교, 보안 헤더, graceful shutdown
- 안전하지 않은 기본값 경고 추가

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-03-13 21:40:06 +09:00
parent cc751653c4
commit d597ef2d46
11 changed files with 247 additions and 97 deletions

View File

@@ -44,6 +44,13 @@ func (r *Repository) Delete(id uint) error {
return r.db.Delete(&User{}, id).Error
}
// Transaction wraps a function in a database transaction.
func (r *Repository) Transaction(fn func(txRepo *Repository) error) error {
return r.db.Transaction(func(tx *gorm.DB) error {
return fn(&Repository{db: tx})
})
}
func (r *Repository) FindBySsafyID(ssafyID string) (*User, error) {
var user User
if err := r.db.Where("ssafy_id = ?", ssafyID).First(&user).Error; err != nil {