95 lines
4.0 KiB
Python
95 lines
4.0 KiB
Python
import dotenv
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import os
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import random
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import string
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import asyncio
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import uvicorn
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from datetime import datetime
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from fastapi import FastAPI, Response, status, Request
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from starlette.middleware.base import BaseHTTPMiddleware
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from schemas.api_schemas import *
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from s3_worker import S3Worker
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from redis_worker import RedisWorker
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dotenv.load_dotenv()
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disable_docs = os.getenv("DISABLE_DOCS", "true").lower() == "true"
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app: FastAPI = FastAPI(title="DropMeFiles analog")
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# app: FastAPI = FastAPI(title="DropMeFiles analog",
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# summary="OpenAPI schema for \"DropMeFiles analog\" project!",
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# version="0.1",
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# contact={"GitHub": "https://github.com/IgorVolochay/Drop-me-files-analog"},
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# docs_url=None if disable_docs else "/docs",
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# redoc_url=None if disable_docs else "/redoc",
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# openapi_url=None if disable_docs else "/openapi.json")
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s3_worker = S3Worker()
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redis_worker = RedisWorker()
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class RealIPMiddleware(BaseHTTPMiddleware):
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async def dispatch(self, request: Request, call_next):
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forwarded = request.headers.get("X-Forwarded-For", "")
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if forwarded:
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request.state.client_ip = forwarded.split(",")[0].strip()
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else:
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request.state.client_ip = request.headers.get("X-Real-IP", request.client.host)
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response = await call_next(request)
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return response
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app.add_middleware(RealIPMiddleware)
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@app.get("/upload_token", status_code=200)
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async def get_upload_token(file_name: str, file_type: str, file_size: int, response: Response, request: Request) -> BaseResponse:
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if file_size > int(os.getenv('MAX_FILES_SIZE')):
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response.status_code = status.HTTP_413_CONTENT_TOO_LARGE
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return BaseResponse(result="The uploaded file is too large", error=True)
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elif file_size <= 0:
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response.status_code = status.HTTP_400_BAD_REQUEST
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return BaseResponse(result="The file you are uploading is less than 1 byte, WTF?", error=True)
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user_ip = request.state.client_ip
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print(user_ip)
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file_uuid = ''.join(random.choices(string.ascii_letters + string.digits, k=6))
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try:
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post_data = await s3_worker.generate_upload_post(file_uuid, content_type=file_type)
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except Exception as exception:
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response.status_code = status.HTTP_500_INTERNAL_SERVER_ERROR
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return BaseResponse(result="Error generating S3 access token. Error: " + str(exception), error=True)
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redis_worker.create_record(user_ip, file_name, file_uuid, file_type, datetime.now().isoformat(), file_size)
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print(post_data)
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return BaseResponse(result={"data": post_data, "file_uuid": file_uuid, "comment": "Ok"})
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@app.get("/max_file_size", status_code=200)
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def get_max_file_size() -> int:
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return int(os.getenv('MAX_FILES_SIZE'))
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@app.get("/get_download_link/{file_uuid}", status_code=200)
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async def get_file_by_uuid(file_uuid:str, response: Response, request: Request) -> BaseResponse:
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if len(file_uuid) != 6:
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response.status_code = status.HTTP_404_NOT_FOUND
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return BaseResponse(result="The file UUID must be 6 characters long", error=True)
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redis_data = redis_worker.get_record(file_uuid)
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if not redis_data:
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response.status_code = status.HTTP_400_BAD_REQUEST
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return BaseResponse(result={"data": None, "comment": "File with this UUID not found"}, error=True)
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try:
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download_url = await s3_worker.generate_download_url(file_uuid, redis_data["file_name"])
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except Exception as exception:
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response.status_code = status.HTTP_500_INTERNAL_SERVER_ERROR
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return BaseResponse(result="Error generating S3 access token. Error: " + str(exception), error=True)
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return BaseResponse(result={"data": {"url": download_url, "file_name": redis_data["file_name"], "file_size": redis_data["file_size"]}, "comment": "Ok"})
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async def main():
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config = uvicorn.Config("main:app", port=int(os.getenv('BACKEND_PORT')), host="0.0.0.0", log_level="debug")
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server = uvicorn.Server(config)
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await server.serve()
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if __name__ == "__main__":
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asyncio.run(main()) |