Add firefox cookies to handle bot issue

app.py

@@ -1,16 +1,28 @@
 import gradio as gr
 from yt_dlp import YoutubeDL
 import os
+from pathlib import Path
 import tempfile
 import shutil
 from pathlib import Path
 
+def get_cookies():
+    """Get or create cookie file path"""
+    with open('firefox-cookies.txt', 'r+') as fh:
+        cookies = fh.read()
+    return cookies
+
+def get_cookies_path():
+    """Get cookie file path"""
+    return "./firefox-cookies.txt"
+
 def download_for_browser(url, mode='audio', quality='high'):
     if not url:
         return None, "Please enter a valid URL"
         
     # Create temporary directory that persists until file is served
     temp_dir = Path(tempfile.mkdtemp())
+    cookiefile = get_cookies_path()
     
     try:
         # Configure download options
@@ -40,6 +52,9 @@ def download_for_browser(url, mode='audio', quality='high'):
                 'merge_output_format': 'mp4'
             })
 
+        # Add cookies
+        opts["cookiefile"] = cookiefile 
+
         # Download file
         with YoutubeDL(opts) as ydl:
             info = ydl.extract_info(url, download=True)