Yuerchu
b02a4638da
- Introduced a new dependency in `middleware/dependencies.py` to provide an asynchronous database session using SQLModel. - This dependency can be utilized in route functions to facilitate database operations.
50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
from fastapi.security import OAuth2PasswordBearer
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from models.setting import Setting
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from models.database import get_session
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from datetime import datetime, timedelta, timezone
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from sqlalchemy import and_
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import jwt
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oauth2_scheme = OAuth2PasswordBearer(
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scheme_name='获取 JWT Bearer 令牌',
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description='用于获取 JWT Bearer 令牌，需要以表单的形式提交',
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tokenUrl="/api/user/session",
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)
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SECRET_KEY = ''
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async def load_secret_key() -> None:
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"""
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从数据库读取 JWT 的密钥。
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"""
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global SECRET_KEY
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async for session in get_session():
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setting = await Setting.get(
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session,
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and_(Setting.type == "auth", Setting.name == "secret_key")
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)
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if setting:
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SECRET_KEY = setting.value
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break
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# 访问令牌
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def create_access_token(data: dict, expires_delta: timedelta | None = None) -> tuple[str, datetime]:
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.now(timezone.utc) + expires_delta
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else:
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expire = datetime.now(timezone.utc) + timedelta(hours=3)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm='HS256')
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return encoded_jwt, expire
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# 刷新令牌
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def create_refresh_token(data: dict, expires_delta: timedelta | None = None) -> tuple[str, datetime]:
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.now(timezone.utc) + expires_delta
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else:
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expire = datetime.now(timezone.utc) + timedelta(days=30)
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to_encode.update({"exp": expire, "token_type": "refresh"})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm='HS256')
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return encoded_jwt, expire |