diff options
| -rw-r--r-- | yt_dlp/downloader/fragment.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/yt_dlp/downloader/fragment.py b/yt_dlp/downloader/fragment.py index 567bf69d3..cd1e2350d 100644 --- a/yt_dlp/downloader/fragment.py +++ b/yt_dlp/downloader/fragment.py @@ -369,13 +369,19 @@ class FragmentFD(FileDownloader): return False, frag_index return frag_content, frag_index + _key_cache = {} + + def _get_key(url): + if url not in _key_cache: + _key_cache[url] = self.ydl.urlopen(self._prepare_url(info_dict, url)).read() + return _key_cache[url] + def decrypt_fragment(fragment, frag_content): decrypt_info = fragment.get('decrypt_info') if not decrypt_info or decrypt_info['METHOD'] != 'AES-128': return frag_content iv = decrypt_info.get('IV') or compat_struct_pack('>8xq', fragment['media_sequence']) - decrypt_info['KEY'] = decrypt_info.get('KEY') or self.ydl.urlopen( - self._prepare_url(info_dict, info_dict.get('_decryption_key_url') or decrypt_info['URI'])).read() + decrypt_info['KEY'] = decrypt_info.get('KEY') or _get_key(info_dict.get('_decryption_key_url') or decrypt_info['URI']) # Don't decrypt the content in tests since the data is explicitly truncated and it's not to a valid block # size (see https://github.com/ytdl-org/youtube-dl/pull/27660). Tests only care that the correct data downloaded, # not what it decrypts to. |