revert: add compression support to frontend and backend (#3549)

Revert "feat: add compression support to frontend and backend (#3484)"

This reverts commit b63916e3c6.

src/backend/base/langflow/main.py

@@ -1,5 +1,4 @@
 import asyncio
-import gzip
 import json
 import os
 import warnings
@@ -12,7 +11,6 @@ from urllib.parse import urlencode
 import nest_asyncio  # type: ignore
 from fastapi import FastAPI, HTTPException, Request, Response
 from fastapi.middleware.cors import CORSMiddleware
-from fastapi.middleware.gzip import GZipMiddleware
 from fastapi.responses import FileResponse, JSONResponse
 from fastapi.staticfiles import StaticFiles
 from loguru import logger
@@ -30,11 +28,7 @@ from langflow.initial_setup.setup import (
 )
 from langflow.interface.types import get_and_cache_all_types_dict
 from langflow.interface.utils import setup_llm_caching
-from langflow.services.deps import (
+from langflow.services.deps import get_cache_service, get_settings_service, get_telemetry_service
-    get_cache_service,
-    get_settings_service,
-    get_telemetry_service,
-)
 from langflow.services.plugins.langfuse_plugin import LangfuseInstance
 from langflow.services.utils import initialize_services, teardown_services
 from langflow.logging.logger import configure
@@ -138,21 +132,9 @@ def create_app():
         allow_headers=["*"],
     )
     app.add_middleware(JavaScriptMIMETypeMiddleware)
-    app.add_middleware(GZipMiddleware, minimum_size=1000, compresslevel=5)
-
     # ! Deactivating this until we find a better solution
     # app.add_middleware(RequestCancelledMiddleware)
 
-    @app.middleware("http")
-    async def decompress_if_gzip(request: Request, call_next):
-        if request.headers.get("content-encoding", "") == "gzip":
-            # the request's body is compressed, so we need to decompress it
-            body = await request.body()
-            dec = gzip.decompress(body)
-            request._body = dec  # <-- if only things were that easy
-        response = await call_next(request)
-        return response
-
     @app.middleware("http")
     async def flatten_query_string_lists(request: Request, call_next):
         flattened: list[tuple[str, str]] = []

src/frontend/package-lock.json

@@ -57,7 +57,6 @@
         "moment": "^2.30.1",
         "openseadragon": "^4.1.1",
         "p-debounce": "^4.0.0",
-        "pako": "^2.1.0",
         "playwright": "^1.44.1",
         "react": "^18.3.1",
         "react-ace": "^11.0.1",
@@ -12037,12 +12036,6 @@
       "resolved": "https://registry.npmjs.org/package-json-from-dist/-/package-json-from-dist-1.0.0.tgz",
       "integrity": "sha512-dATvCeZN/8wQsGywez1mzHtTlP22H8OEfPrVMLNr4/eGa+ijtLn/6M5f0dY8UKNrC2O9UCU6SSoG3qRKnt7STw=="
     },
-    "node_modules/pako": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/pako/-/pako-2.1.0.tgz",
-      "integrity": "sha512-w+eufiZ1WuJYgPXbV/PO3NCMEc3xqylkKHzp8bxp1uW4qaSNQUkwmLLEc3kKsfz8lpV1F8Ht3U1Cm+9Srog2ug==",
-      "license": "(MIT AND Zlib)"
-    },
     "node_modules/parent-module": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",

src/frontend/package.json

@@ -52,7 +52,6 @@
     "moment": "^2.30.1",
     "openseadragon": "^4.1.1",
     "p-debounce": "^4.0.0",
-    "pako": "^2.1.0",
     "playwright": "^1.44.1",
     "react": "^18.3.1",
     "react-ace": "^11.0.1",

src/frontend/src/controllers/API/api.tsx

@@ -1,7 +1,6 @@
 import { LANGFLOW_ACCESS_TOKEN } from "@/constants/constants";
 import useAuthStore from "@/stores/authStore";
 import axios, { AxiosError, AxiosInstance, AxiosRequestConfig } from "axios";
-import pako from "pako";
 import { useContext, useEffect } from "react";
 import { Cookies } from "react-cookie";
 import { BuildStatus } from "../../constants/enums";
@@ -14,22 +13,6 @@ import { useLogout, useRefreshAccessToken } from "./queries/auth";
 // Create a new Axios instance
 const api: AxiosInstance = axios.create({
   baseURL: "",
-  transformRequest: (axios.defaults.transformRequest
-    ? Array.isArray(axios.defaults.transformRequest)
-      ? axios.defaults.transformRequest
-      : [axios.defaults.transformRequest]
-    : []
-  ).concat(function (data, headers) {
-    // compress strings if over 1KB
-    if (typeof data === "string" && data.length > 1024) {
-      headers["Content-Encoding"] = "gzip";
-      return pako.gzip(data);
-    } else {
-      // delete is slow apparently, faster to set to undefined
-      headers["Content-Encoding"] = undefined;
-      return data;
-    }
-  }),
 });
 
 const cookies = new Cookies();