39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
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import logging
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import secrets
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import time
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logger = logging.getLogger(__name__)
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_PAIRING_CODES: dict[str, tuple[str, float]] = {}
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_CODE_TTL_SECONDS = 300
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async def generate_mc_pairing_code(peer_id: str) -> str:
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code = f"{secrets.randbelow(1_000_000):06d}"
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_PAIRING_CODES[peer_id] = (code, time.monotonic())
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logger.info("MC pairing code generated for peer %s", peer_id)
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return code
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async def verify_mc_pairing_code(peer_id: str, code: str) -> bool:
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stored = _PAIRING_CODES.get(peer_id)
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if stored is None:
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return False
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stored_code, created_at = stored
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if time.monotonic() - created_at > _CODE_TTL_SECONDS:
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_PAIRING_CODES.pop(peer_id, None)
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return False
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if not secrets.compare_digest(stored_code, code):
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return False
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_PAIRING_CODES.pop(peer_id, None)
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logger.info("MC pairing code verified for peer %s", peer_id)
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return True
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def normalize_mc_allow_entry(entry: str) -> str:
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stripped = entry.strip()
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for prefix in ("minecraft:", "mc:"):
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if stripped.lower().startswith(prefix):
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stripped = stripped[len(prefix) :]
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return stripped.lower()
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