megaproxy
61a7884ee5
Full-stack self-hosted finance app with FastAPI backend and React frontend. Features: - Accounts, transactions, budgets, investments with GBP base currency - CSV import with auto-detection for 10 UK bank formats - ML predictions: spending forecast, net worth projection, Monte Carlo - 7 selectable themes (Obsidian, Arctic, Midnight, Vault, Terminal, Synthwave, Ledger) - Receipt/document attachments on transactions (JPEG, PNG, WebP, PDF) - AES-256-GCM field encryption, RS256 JWT, TOTP 2FA, RLS, audit log - Encrypted nightly backups + key rotation script - Mobile-responsive layout with bottom nav Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
28 lines
714 B
Python
28 lines
714 B
Python
"""
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Redis sliding window rate limiter.
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"""
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import time
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from redis.asyncio import Redis
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async def is_rate_limited(
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redis: Redis,
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key: str,
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limit: int,
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window_seconds: int = 60,
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) -> tuple[bool, int]:
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"""
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Returns (is_limited, requests_remaining).
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Uses a sorted set with timestamps as scores for sliding window.
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"""
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now = time.time()
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window_start = now - window_seconds
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pipe = redis.pipeline()
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pipe.zremrangebyscore(key, 0, window_start)
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pipe.zadd(key, {str(now): now})
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pipe.zcard(key)
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pipe.expire(key, window_seconds + 1)
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results = await pipe.execute()
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count = results[2]
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remaining = max(0, limit - count)
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return count > limit, remaining
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