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b134ad9e8b
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Implement Stage 6 Track B: TOTP MFA (pyotp, Fernet-encrypted secrets, backup codes)
- models/totp_usage.py: replay-prevention table, unique on (user_id, code, window)
- models/backup_code.py: Argon2id-hashed recovery codes with used_at tracking
- services/totp.py: Fernet encrypt/decrypt, verify_totp_code returns actual window, QR base64, backup code generation
- routers/totp.py: setup (idempotent), confirm, totp-verify (mfa_token + TOTP or backup code), disable, regenerate, status
- alembic/024: creates totp_usage and backup_codes tables
- main.py: register totp router, import new models for Alembic discovery
- requirements.txt: add pyotp>=2.9.0, qrcode[pil]>=7.4.0, cryptography>=42.0.0
- jobs/notifications.py: periodic cleanup for totp_usage (5 min) and expired user_sessions
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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2026-02-25 04:18:05 +08:00 |
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