diff options
Diffstat (limited to 'yt_dlp/downloader/hls.py')
-rw-r--r-- | yt_dlp/downloader/hls.py | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/yt_dlp/downloader/hls.py b/yt_dlp/downloader/hls.py index ae18ac419..29d6f6241 100644 --- a/yt_dlp/downloader/hls.py +++ b/yt_dlp/downloader/hls.py @@ -8,7 +8,14 @@ from .external import FFmpegFD from .fragment import FragmentFD from .. import webvtt from ..dependencies import Cryptodome -from ..utils import bug_reports_message, parse_m3u8_attributes, update_url_query +from ..utils import ( + bug_reports_message, + parse_m3u8_attributes, + remove_start, + traverse_obj, + update_url_query, + urljoin, +) class HlsFD(FragmentFD): @@ -150,6 +157,13 @@ class HlsFD(FragmentFD): i = 0 media_sequence = 0 decrypt_info = {'METHOD': 'NONE'} + external_aes_key = traverse_obj(info_dict, ('hls_aes', 'key')) + if external_aes_key: + external_aes_key = binascii.unhexlify(remove_start(external_aes_key, '0x')) + assert len(external_aes_key) in (16, 24, 32), 'Invalid length for HLS AES-128 key' + external_aes_iv = traverse_obj(info_dict, ('hls_aes', 'iv')) + if external_aes_iv: + external_aes_iv = binascii.unhexlify(remove_start(external_aes_iv, '0x').zfill(32)) byte_range = {} discontinuity_count = 0 frag_index = 0 @@ -165,10 +179,7 @@ class HlsFD(FragmentFD): frag_index += 1 if frag_index <= ctx['fragment_index']: continue - frag_url = ( - line - if re.match(r'^https?://', line) - else urllib.parse.urljoin(man_url, line)) + frag_url = urljoin(man_url, line) if extra_query: frag_url = update_url_query(frag_url, extra_query) @@ -190,10 +201,7 @@ class HlsFD(FragmentFD): return False frag_index += 1 map_info = parse_m3u8_attributes(line[11:]) - frag_url = ( - map_info.get('URI') - if re.match(r'^https?://', map_info.get('URI')) - else urllib.parse.urljoin(man_url, map_info.get('URI'))) + frag_url = urljoin(man_url, map_info.get('URI')) if extra_query: frag_url = update_url_query(frag_url, extra_query) @@ -218,15 +226,18 @@ class HlsFD(FragmentFD): decrypt_url = decrypt_info.get('URI') decrypt_info = parse_m3u8_attributes(line[11:]) if decrypt_info['METHOD'] == 'AES-128': - if 'IV' in decrypt_info: + if external_aes_iv: + decrypt_info['IV'] = external_aes_iv + elif 'IV' in decrypt_info: decrypt_info['IV'] = binascii.unhexlify(decrypt_info['IV'][2:].zfill(32)) - if not re.match(r'^https?://', decrypt_info['URI']): - decrypt_info['URI'] = urllib.parse.urljoin( - man_url, decrypt_info['URI']) - if extra_query: - decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_query) - if decrypt_url != decrypt_info['URI']: - decrypt_info['KEY'] = None + if external_aes_key: + decrypt_info['KEY'] = external_aes_key + else: + decrypt_info['URI'] = urljoin(man_url, decrypt_info['URI']) + if extra_query: + decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_query) + if decrypt_url != decrypt_info['URI']: + decrypt_info['KEY'] = None elif line.startswith('#EXT-X-MEDIA-SEQUENCE'): media_sequence = int(line[22:]) |