39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
"""安全模块：密码哈希 + JWT"""
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from datetime import datetime, timedelta, timezone
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from typing import Optional
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import bcrypt
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from jose import jwt, JWTError
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SECRET_KEY = "douyu-web-secret-change-in-production"
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_HOURS = 24
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def hash_password(password: str) -> str:
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pwd_bytes = password.encode("utf-8")
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# bcrypt 限制72字节，截断
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pwd_bytes = pwd_bytes[:72]
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return bcrypt.hashpw(pwd_bytes, bcrypt.gensalt()).decode("utf-8")
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def verify_password(plain: str, hashed: str) -> bool:
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try:
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return bcrypt.checkpw(plain.encode("utf-8")[:72], hashed.encode("utf-8"))
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except Exception:
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return False
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def create_access_token(data: dict, expires_hours: int = ACCESS_TOKEN_EXPIRE_HOURS) -> str:
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to_encode = data.copy()
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expire = datetime.now(timezone.utc) + timedelta(hours=expires_hours)
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to_encode.update({"exp": expire})
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return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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def decode_access_token(token: str) -> Optional[dict]:
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try:
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return jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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except JWTError:
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return None
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