119 lines
3.8 KiB
Python
119 lines
3.8 KiB
Python
import binascii
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import time
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import uvicorn
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from fastapi import FastAPI, Request
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from fastapi.exceptions import RequestValidationError
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from starlette.middleware.cors import CORSMiddleware
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from starlette.authentication import AuthenticationBackend, AuthenticationError, AuthCredentials, BaseUser, SimpleUser
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from starlette.middleware.authentication import AuthenticationMiddleware
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from starlette.requests import HTTPConnection
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from starlette.responses import Response, JSONResponse
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import crud
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import schemas
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from db.redisdb import get_redis_pool
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from middleware import CasbinMiddleware
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from db import connect_to_mongo, close_mongo_connection, get_database
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from db.ckdb_utils import connect_to_ck, close_ck_connection
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from db.redisdb_utils import connect_to_redis, close_redis_connection
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from utils import *
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from api.api_v1.api import api_router
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from core.config import settings
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from api.deps import get_current_user2
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app = FastAPI(title=settings.PROJECT_NAME)
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app.include_router(api_router, prefix=settings.API_V1_STR)
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app.add_event_handler("startup", connect_to_mongo)
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app.add_event_handler("startup", connect_to_redis)
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app.add_event_handler("startup", connect_to_ck)
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app.add_event_handler("shutdown", close_mongo_connection)
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app.add_event_handler("shutdown", close_redis_connection)
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app.add_event_handler("shutdown", close_ck_connection)
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class CurrentUser(BaseUser):
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def __init__(self, username: str, user_id: str) -> None:
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self.username = username
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self.id = user_id
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@property
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def is_authenticated(self) -> bool:
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return True
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@property
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def display_name(self) -> str:
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return self.username
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@property
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def identity(self) -> str:
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return ''
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class BasicAuth(AuthenticationBackend):
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async def authenticate(self, request):
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if "Authorization" not in request.headers or request.scope.get('path') == '/api/v1/user/login':
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return None
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auth = request.headers["Authorization"]
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if len(auth) < 20:
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return None
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try:
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user = get_current_user2(auth.split(' ')[1])
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except (ValueError, UnicodeDecodeError, binascii.Error):
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raise AuthenticationError("身份验证失败，请重新登录")
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return AuthCredentials(["authenticated"]), CurrentUser(user.name, user.id)
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def login_expired(conn: HTTPConnection, exc: Exception) -> Response:
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return JSONResponse(schemas.Msg(code=-5, msg='请重新登录').dict(), status_code=200)
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app.add_middleware(CasbinMiddleware, enforcer=casbin_enforcer)
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app.add_middleware(AuthenticationMiddleware, backend=BasicAuth(), on_error=login_expired)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=['*'],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.exception_handler(RequestValidationError)
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async def validation_exception_handler(request, exc):
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return Response(schemas.Msg(code=-4, msg='请求错误', data=str(exc)).json(), status_code=400)
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@app.exception_handler(Exception)
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async def http_exception_handler(request, exc):
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return Response(schemas.Msg(code=-3, msg='服务器错误').json(), status_code=500)
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@app.middleware("http")
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async def add_process_time_header(request: Request, call_next):
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start_time = int(time.time() * 1000)
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response = await call_next(request)
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process_time = int(time.time() * 1000) - start_time
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response.headers["X-Process-Time"] = str(process_time)
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user_id = 'anonymous'
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try:
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user_id = request.user.id
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except:
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pass
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await crud.api_log.insert_log(get_database(), schemas.ApiLogInsert(
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api=str(request.url),
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ms=process_time,
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user_id=user_id
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))
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return response
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if __name__ == '__main__':
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#uvicorn.run(app='main:app', host="10.0.0.240", port=7899, reload=True, debug=True)
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uvicorn.run(app='main:app', host="0.0.0.0", port=7899, reload=True, debug=True) |