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Code Issues Releases Wiki Activity

[sproutvideo] improve HLS download, fix video detection

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This commit is contained in:
thezero 2020-04-09 01:09:00 +02:00
parent c956f4a736
commit 511ad55d78
2 changed files with 28 additions and 21 deletions
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16
youtube_dl/downloader/hls.py
View File

@ -64,7 +64,7 @@ class HlsFD(FragmentFD):
s = urlh.read().decode('utf-8', 'ignore')
if not self.can_download(s, info_dict):
if info_dict.get('extra_param_to_segment_url') or info_dict.get('_decryption_key_url'):
if info_dict.get('extra_param_to_segment_url') or info_dict.get('extra_param_to_key_url'):
self.report_error('pycrypto not found. Please install it.')
return False
self.report_warning(
@ -115,12 +115,16 @@ class HlsFD(FragmentFD):
extra_segment_query = None
extra_key_query = None
extra_key_url = None
extra_param_to_segment_url = info_dict.get('extra_param_to_segment_url')
extra_param_to_key_url = info_dict.get('extra_param_to_key_url')
if extra_param_to_segment_url:
extra_segment_query = compat_urlparse.parse_qs(extra_param_to_segment_url)
extra_key_query = compat_urlparse.parse_qs(extra_param_to_segment_url)
extra_param_to_key_url = info_dict.get('extra_param_to_key_url')
if extra_param_to_key_url:
if extra_param_to_key_url.startswith('http'):
extra_key_url = extra_param_to_key_url
else:
extra_key_query = compat_urlparse.parse_qs(extra_param_to_key_url)
i = 0
media_sequence = 0
@ -174,8 +178,10 @@ class HlsFD(FragmentFD):
if decrypt_info['METHOD'] == 'AES-128':
iv = decrypt_info.get('IV') or compat_struct_pack('>8xq', 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()
# We don't decrypt fragments during the test
self._prepare_url(info_dict, decrypt_info['URI'])).read()
# Since "self._TEST_FILE_SIZE" is set to 10241 bytes, only those will be downloaded for the first fragment
# In case a fragment is bigger then 10241 bytes, the fragment will be cropped so AES-CBC decryption will fail.
# For this reason we can't decrypt fragments during the tests.
if not test:
frag_content = AES.new(
decrypt_info['KEY'], AES.MODE_CBC, iv).decrypt(frag_content)
@ -196,6 +202,8 @@ class HlsFD(FragmentFD):
man_url, decrypt_info['URI'])
if extra_key_query:
decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_key_query)
elif extra_key_url:
decrypt_info['URI'] = extra_key_url
if decrypt_url != decrypt_info['URI']:
decrypt_info['KEY'] = None
elif line.startswith('#EXT-X-MEDIA-SEQUENCE'):

31
youtube_dl/extractor/sproutvideo.py
View File

@ -12,7 +12,7 @@ from ..compat import (
class SproutVideoIE(InfoExtractor):
_NOSCHEMA_URL = r'//videos.sproutvideo.com/embed/(?P<id>[a-f0-9]+)/[a-f0-9]+'
_NOSCHEMA_URL = r'//videos\.sproutvideo\.com/embed/(?P<id>[a-f0-9]+)/[a-f0-9]+'
_VALID_URL = r'https?:%s' % _NOSCHEMA_URL
_TEST = {
'url': 'https://videos.sproutvideo.com/embed/4c9dddb01910e3c9c4/0fc24387c4f24ee3',
@ -28,14 +28,14 @@ class SproutVideoIE(InfoExtractor):
def _extract_urls(webpage):
# Fix the video URL if the iframe doesn't have a defined schema
return [sprout.group('url') for sprout in re.finditer(
r'(?:<iframe\s+class=[\'\"]sproutvideo-player.*src|href)=[\'\"](?P<url>(?:https?:|)%s[^\'\"]+)[\'\"]' % SproutVideoIE._NOSCHEMA_URL,
r'<iframe[^>]+src=[\'"](?P<url>(?:https?:|)%s[^\'"]+)[\'"]' % SproutVideoIE._NOSCHEMA_URL,
webpage)]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
data = self._search_regex(r'<script[^>]+>var dat = \'([^\']+)\';</script>', webpage, 'data')
data = self._search_regex(r"var\s+dat\s+=\s+'([^']+)';", webpage, 'data')
data_decoded = compat_b64decode(data).decode('utf-8')
parsed_data = self._parse_json(data_decoded, video_id)
@ -43,18 +43,15 @@ class SproutVideoIE(InfoExtractor):
# signature->m for manifests
# signature->k for keys
# signature->t for segments
m_sign = self._policy_to_qs(parsed_data, 'm')
k_sign = self._policy_to_qs(parsed_data, 'k')
t_sign = self._policy_to_qs(parsed_data, 't')
m_sign = SproutVideoIE._policy_to_qs(parsed_data, 'm')
k_sign = SproutVideoIE._policy_to_qs(parsed_data, 'k')
t_sign = SproutVideoIE._policy_to_qs(parsed_data, 't')
resource_url = 'https://{0}.videos.sproutvideo.com/{1}/{2}/video/index.m3u8?{3}'
resource_url = resource_url.format(parsed_data['base'],
parsed_data['s3_user_hash'],
parsed_data['s3_video_hash'],
m_sign)
resource_url = 'https://{0}.videos.sproutvideo.com/{1}/{2}/video/index.m3u8?{3}'.format(
parsed_data['base'], parsed_data['s3_user_hash'], parsed_data['s3_video_hash'], m_sign)
formats = self._extract_m3u8_formats(resource_url, video_id, 'mp4', entry_protocol='m3u8_native',
m3u8_id='hls', fatal=False)
formats = self._extract_m3u8_formats(
resource_url, video_id, 'mp4', entry_protocol='m3u8_native', m3u8_id='hls', fatal=False)
self._sort_formats(formats)
for entry in formats:
@ -70,13 +67,15 @@ class SproutVideoIE(InfoExtractor):
'formats': formats,
}
def _format_qsdata(self, qs_data):
@staticmethod
def _format_qsdata(qs_data):
parsed_dict = dict()
for key in qs_data:
parsed_dict[key.replace('CloudFront-', '')] = qs_data[key]
return parsed_dict
def _policy_to_qs(self, policy, key):
sign = self._format_qsdata(policy['signatures'][key])
@staticmethod
def _policy_to_qs(policy, key):
sign = SproutVideoIE._format_qsdata(policy['signatures'][key])
sign['sessionID'] = policy['sessionID']
return compat_urllib_parse_urlencode(sign, doseq=True)