71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
from datetime import datetime, timedelta, timezone
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from typing import Optional
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from jose import JWTError, jwt
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from app.core.config import settings
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from fastapi import Response
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from passlib.context import CryptContext
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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 create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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to_encode = data.copy()
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# 更新 token 数据，不设置过期时间
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to_encode.update({
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"userid": data.get("userid"),
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"phone": data.get("phone")
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})
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encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm="HS256")
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return encoded_jwt
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def set_jwt_cookie(response: Response, token: str):
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"""设置JWT cookie"""
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response.set_cookie(
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key="access_token",
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value=f"Bearer {token}",
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httponly=True, # 防止JavaScript访问
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secure=not settings.DEBUG, # 生产环境使用HTTPS
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samesite="lax", # CSRF保护
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max_age=None if settings.ACCESS_TOKEN_EXPIRE_MINUTES is None
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else settings.ACCESS_TOKEN_EXPIRE_MINUTES * 60
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)
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def clear_jwt_cookie(response: Response):
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"""清除JWT cookie"""
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response.delete_cookie(
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key="access_token",
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httponly=True,
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secure=not settings.DEBUG,
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samesite="lax"
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)
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def verify_token(token: str) -> Optional[str]:
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=["HS256"])
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phone: str = payload.get("phone")
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if phone is None:
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return None
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return phone
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except JWTError:
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return None
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def get_password_hash(password: str) -> str:
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"""获取密码哈希值"""
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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 decode_jwt(token: str) -> dict:
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"""解码 JWT token 获取完整信息"""
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=["HS256"])
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return {
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"userid": payload.get("userid"),
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"phone": payload.get("phone")
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}
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except:
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return None |