21 lines
675 B
Python
21 lines
675 B
Python
"""心跳响应防伪：MD5(时间桶 + verify_code)。"""
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import hashlib
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from datetime import datetime, timezone
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def heartbeat_time_bucket(dt: datetime | None = None) -> str:
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"""UTC 时间桶，格式如 ``2026-05-20 15``（精确到小时）。"""
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if dt is None:
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dt = datetime.now(timezone.utc)
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elif dt.tzinfo is None:
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dt = dt.replace(tzinfo=timezone.utc)
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else:
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dt = dt.astimezone(timezone.utc)
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return dt.strftime("%Y-%m-%d %H")
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def compute_server_verify_code(verify_code: str, dt: datetime | None = None) -> str:
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raw = f"{heartbeat_time_bucket(dt)}{verify_code}"
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return hashlib.md5(raw.encode("utf-8")).hexdigest()
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