allow optional file expire timestmap

index.py

@@ -8,6 +8,7 @@ from random import choices
 from string import ascii_letters, digits, punctuation
 from sys import argv
 from typing import Dict
+from datetime import datetime
 from logging.handlers import TimedRotatingFileHandler
 import logging
 import coloredlogs
@@ -90,10 +91,20 @@ async def handle_file(request: Request) -> FileResponse:
     if not info:
         return Response(status_code=404)
     
+    expire = info.get("expire", None)
+    if expire and expire <= int(datetime.now().timestamp()):
+        logger.info(f"File {name} expired on {expire}")
+        flist.pop(name)
+        
+        with open("flist.json", "w") as f:
+            json.dump(flist, f)
+        
+        return Response(status_code=404)
+
     if info.get("key", "") != key:
         logger.info(f"Incorrect key for file {name} from {req_ip}")
         return Response(status_code=404)
-    
+
     fpath: str = info.get("path", "")
     if not fpath or not path.exists(fpath):
         logger.info(f"File {name} does not exist at {fpath}")