Upgrade yt_dlp and download script

plugins/youtube_download/yt_dlp/downloader/bunnycdn.py

@@ -0,0 +1,50 @@
+import hashlib
+import random
+import threading
+
+from .common import FileDownloader
+from . import HlsFD
+from ..networking import Request
+from ..networking.exceptions import network_exceptions
+
+
+class BunnyCdnFD(FileDownloader):
+    """
+    Downloads from BunnyCDN with required pings
+    Note, this is not a part of public API, and will be removed without notice.
+    DO NOT USE
+    """
+
+    def real_download(self, filename, info_dict):
+        self.to_screen(f'[{self.FD_NAME}] Downloading from BunnyCDN')
+
+        fd = HlsFD(self.ydl, self.params)
+
+        stop_event = threading.Event()
+        ping_thread = threading.Thread(target=self.ping_thread, args=(stop_event,), kwargs=info_dict['_bunnycdn_ping_data'])
+        ping_thread.start()
+
+        try:
+            return fd.real_download(filename, info_dict)
+        finally:
+            stop_event.set()
+
+    def ping_thread(self, stop_event, url, headers, secret, context_id):
+        # Site sends ping every 4 seconds, but this throttles the download. Pinging every 2 seconds seems to work.
+        ping_interval = 2
+        # Hard coded resolution as it doesn't seem to matter
+        res = 1080
+        paused = 'false'
+        current_time = 0
+
+        while not stop_event.wait(ping_interval):
+            current_time += ping_interval
+
+            time = current_time + round(random.random(), 6)
+            md5_hash = hashlib.md5(f'{secret}_{context_id}_{time}_{paused}_{res}'.encode()).hexdigest()
+            ping_url = f'{url}?hash={md5_hash}&time={time}&paused={paused}&resolution={res}'
+
+            try:
+                self.ydl.urlopen(Request(ping_url, headers=headers)).read()
+            except network_exceptions as e:
+                self.to_screen(f'[{self.FD_NAME}] Ping failed: {e}')