45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
"""
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安全相关功能：密码哈希、JWT 令牌等
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"""
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from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from .config import settings
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# 密码加密上下文
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def get_password_hash(password: str) -> str:
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"""生成密码哈希"""
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return pwd_context.hash(password)
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""验证密码"""
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return pwd_context.verify(plain_password, hashed_password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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"""创建 JWT 访问令牌"""
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
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return encoded_jwt
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def decode_access_token(token: str) -> Optional[dict]:
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"""解码 JWT 令牌"""
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
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return payload
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except JWTError:
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return None
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