4f53889a8e
- 后端: FastAPI + SQLAlchemy + SQLite, JWT认证, 代理支持的AirwallexClient - 前端: React 18 + Vite + Ant Design 5, 中文界面 - 功能: 卡片管理, 持卡人管理, 交易记录, API令牌, 系统设置, 审计日志 - 第三方API: X-API-Key认证, 权限控制 - Docker部署: docker-compose编排前后端
75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
"""Authentication utilities: JWT tokens, password hashing, and dependencies."""
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from datetime import datetime, timedelta, timezone
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from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from pydantic import BaseModel
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from .config import settings
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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security = HTTPBearer()
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class AdminUser(BaseModel):
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"""Represents the authenticated admin user."""
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username: str
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""Verify a plain password against its hash."""
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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"""Hash a password using bcrypt."""
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: timedelta | None = None) -> str:
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"""Create a JWT access token.
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Args:
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data: Payload data to encode in the token.
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expires_delta: Optional custom expiration time.
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Returns:
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Encoded JWT string.
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"""
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to_encode = data.copy()
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expire = datetime.now(timezone.utc) + (
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expires_delta or timedelta(minutes=settings.JWT_EXPIRE_MINUTES)
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)
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to_encode.update({"exp": expire})
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return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
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async def get_current_user(
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credentials: HTTPAuthorizationCredentials = Depends(security),
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) -> AdminUser:
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"""FastAPI dependency that extracts and validates the current user from a JWT token.
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Raises:
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HTTPException: If the token is invalid or missing required claims.
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"""
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid or expired token",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(
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credentials.credentials,
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settings.SECRET_KEY,
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algorithms=[settings.JWT_ALGORITHM],
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)
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username: str | None = payload.get("sub")
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if username is None:
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raise credentials_exception
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except JWTError:
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raise credentials_exception
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return AdminUser(username=username)
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