added basic cookie import functionality

tubearchivist/home/src/download/yt_dlp_handler.py

@@ -403,3 +403,52 @@ class VideoDownloader:
             self.channels.add(channel_id)
 
         return
+
+
+class CookieHandler:
+    """handle youtube cookie for yt-dlp"""
+
+    CONFIG = AppConfig().config
+    CACHE_PATH = CONFIG["application"]["cache_dir"]
+    COOKIE_FILE_NAME = "cookies.google.txt"
+
+    def __init__(self, user_id):
+        self.cookie_path = f"cookie_{user_id}.txt"
+        self.cookie_key = f"{user_id}:cookie"
+
+    def import_cookie(self):
+        """import cookie from file"""
+        import_path = os.path.join(
+            self.CACHE_PATH, "import", self.COOKIE_FILE_NAME
+        )
+        with open(import_path, encoding="utf-8") as cookie_file:
+            cookie = cookie_file.read()
+
+        RedisArchivist().set_message(self.cookie_key, cookie, expire=False)
+
+        os.remove(import_path)
+        print("cookie: import successfully")
+
+    def use(self):
+        """make cookie available in FS"""
+        cookie = RedisArchivist().get_message(self.cookie_key)
+        with open(self.cookie_path, "w", encoding="utf-8") as cookie_file:
+            cookie_file.write(cookie)
+
+        print("cookie: made available")
+
+    def hide(self):
+        """hide cookie file if not in use"""
+        try:
+            os.remove(self.cookie_path)
+        except FileExistsError:
+            print("cookie: not available")
+            return
+
+        print("cookie: hidden")
+
+    def revoke(self):
+        """revoke cookie"""
+        self.hide()
+        RedisArchivist().del_message(self.cookie_key)
+        print("cookie: revoked")