mirror of
https://github.com/fastapiadmin/FastapiAdmin.git
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106 lines
3.6 KiB
Python
106 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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import time
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from typing import Dict, List, Union
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from fastapi import status
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from starlette.middleware.cors import CORSMiddleware
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from starlette.types import ASGIApp
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from starlette.requests import Request
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from starlette.middleware.gzip import GZipMiddleware
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from starlette.middleware.base import (
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Response,
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BaseHTTPMiddleware,
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RequestResponseEndpoint
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)
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from app.common.response import ErrorResponse
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from app.config.setting import settings
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from app.core.logger import logger
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from app.core.exceptions import CustomException
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class CustomCORSMiddleware(CORSMiddleware):
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"""CORS跨域中间件"""
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def __init__(self, app: ASGIApp) -> None:
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CORSMiddlewareConfig: Dict[str, Union[List[str], bool]] = {
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"allow_origins": settings.ALLOW_ORIGINS,
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"allow_methods": settings.ALLOW_METHODS,
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"allow_headers": settings.ALLOW_HEADERS,
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"allow_credentials": settings.ALLOW_CREDENTIALS
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}
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super().__init__(app, **CORSMiddlewareConfig)
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class RequestLogMiddleware(BaseHTTPMiddleware):
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"""
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记录请求日志中间件: 提供一个基础的中间件类，允许你自定义请求和响应处理逻辑。
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"""
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def __init__(self, app: ASGIApp) -> None:
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super().__init__(app)
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async def dispatch(
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self, request: Request, call_next: RequestResponseEndpoint
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) -> Response:
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start_time = time.time()
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logger.info(
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f"请求来源: {request.client.host}, "
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f"请求方法: {request.method}, "
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f"请求路径: {request.url.path}, "
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f"客户端IP: {request.client.host}"
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)
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try:
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response = await call_next(request)
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process_time = round(time.time() - start_time, 5)
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response.headers["X-Process-Time"] = str(process_time)
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logger.info(
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f"会话ID: {request.scope.get('session_id')}, "
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f"响应状态: {response.status_code}, "
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f"响应内容长度: {response.headers.get('content-length', '0')}, "
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f"处理时间: {process_time}s"
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)
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return response
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except CustomException as e:
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logger.error(f"系统异常: {str(e)}")
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return ErrorResponse(msg=f"系统异常，请联系管理员: {str(e)}")
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class DemoEnvMiddleware(BaseHTTPMiddleware):
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"""演示环境中间件"""
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def __init__(self, app: ASGIApp) -> None:
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super().__init__(app)
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async def dispatch(
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self, request: Request, call_next: RequestResponseEndpoint
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) -> Response:
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if settings.DEMO_ENABLE and request.method != "GET":
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path = request.scope.get("path")
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client_ip = request.client.host
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user_username = request.scope.get("user_username")
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# 检查IP是否在白名单，或路径是否在白名单，或用户是否在白名单
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if (client_ip in settings.DEMO_IP_WHITE_LIST or
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path in settings.DEMO_WHITE_LIST_PATH or
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(user_username and user_username in settings.DEMO_USER_WHITE_LIST)):
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return await call_next(request)
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else:
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return ErrorResponse(msg="演示环境，禁止操作")
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return await call_next(request)
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class CustomGZipMiddleware(GZipMiddleware):
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"""GZip压缩中间件"""
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def __init__(self, app: ASGIApp) -> None:
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super().__init__(
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app,
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minimum_size=settings.GZIP_MIN_SIZE,
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compresslevel=settings.GZIP_COMPRESS_LEVEL
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)
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