Update main.py

main.py

@@ -13,7 +13,7 @@ import os
 import time
 import asyncio
 from typing import List, Optional, Dict
-from fastapi import FastAPI, UploadFile, File, HTTPException, Depends, BackgroundTasks, Header
+from fastapi import FastAPI, UploadFile, File, HTTPException, Depends, BackgroundTasks, Header, Request
 from fastapi.middleware.cors import CORSMiddleware
 from pydantic import BaseModel
 from threading import Lock
@@ -190,6 +190,7 @@ async def health_check():
 
 @app.post("/upload", response_model=UploadResponse)
 async def upload_pdf(
+    request: Request,
     file: UploadFile = File(...),
     user_id: str = Depends(get_current_user),
     x_api_key: Optional[str] = Header(None, alias="X-API-KEY"),
@@ -214,6 +215,14 @@ async def upload_pdf(
         raise HTTPException(413, "File too large (max 10MB)")
 
     try:
+        # Debug: log a subset of incoming headers to help diagnose authentication issues
+        try:
+            hdrs = dict(request.headers)
+            # Only print a few header keys to avoid leaking secrets in logs
+            interesting = {k: hdrs.get(k) for k in ["x-api-key", "authorization", "host", "user-agent"] if hdrs.get(k)}
+            print(f"🔍 Incoming upload headers (filtered): {interesting}")
+        except Exception:
+            pass
         # Save to a temp file so background worker can access it
         base_dir = os.path.dirname(os.path.abspath(__file__))
         tmp_dir = os.path.join(base_dir, 'tmp_uploads')
@@ -381,4 +390,4 @@ async def get_stats(user_id: str = Depends(get_current_user)):
 if __name__ == "__main__":
     import uvicorn
     port = int(os.environ.get("PORT", 8000))
-    uvicorn.run("main:app", host="0.0.0.0", port=port, reload=True)
+    uvicorn.run("main:app", host="0.0.0.0", port=port, reload=True)