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Author SHA1 Message Date
c002cb1e54 feat: add feature-access middleware for v9c subscription system
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Implements flexible feature access control with 3-tier hierarchy:
1. User-specific restrictions (highest priority)
2. Tier limits
3. Feature defaults

New functions:
- get_effective_tier(profile_id) - Checks access_grants, falls back to profile.tier
- check_feature_access(profile_id, feature_id) - Complete access check
  Returns: {allowed, limit, used, remaining, reason}
- increment_feature_usage(profile_id, feature_id) - Usage tracking
- _calculate_next_reset(reset_period) - Helper for daily/monthly resets

Supports:
- Boolean features (enabled/disabled)
- Count-based features with limits
- Automatic reset (daily/monthly/never)
- Unlimited (NULL) and disabled (0) states

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-19 13:04:49 +01:00
d826524789 refactor: extract auth functions to auth.py
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Phase 1.2 - Authentication-Logik isolieren

NEUE DATEI:
- backend/auth.py: Auth-Funktionen mit Dokumentation
  * hash_pin() - bcrypt + SHA256 legacy support
  * verify_pin() - Password verification
  * make_token() - Session token generation
  * get_session() - Token validation
  * require_auth() - FastAPI dependency
  * require_auth_flexible() - Auth via header OR query
  * require_admin() - Admin-only dependency

ÄNDERUNGEN:
- backend/main.py:
  * Import from auth.py
  * Removed 48 lines of auth code
  * hashlib, secrets nicht mehr benötigt

KEINE funktionalen Änderungen.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-19 09:51:25 +01:00