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https://github.com/yt-dlp/yt-dlp.git
synced 2024-09-06 02:49:35 +02:00
[theplatform] Add URL sign capability
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@ -2,6 +2,11 @@
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import re
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import json
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import time
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import hmac
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import binascii
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import hashlib
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from .subtitles import SubtitlesInfoExtractor
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from ..compat import (
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@ -11,6 +16,7 @@
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determine_ext,
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ExtractorError,
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xpath_with_ns,
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unsmuggle_url,
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)
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_x = lambda p: xpath_with_ns(p, {'smil': 'http://www.w3.org/2005/SMIL21/Language'})
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@ -18,7 +24,7 @@
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class ThePlatformIE(SubtitlesInfoExtractor):
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_VALID_URL = r'''(?x)
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(?:https?://(?:link|player)\.theplatform\.com/[sp]/[^/]+/
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(?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P<provider_id>[^/]+)/
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(?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/)?
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|theplatform:)(?P<id>[^/\?&]+)'''
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@ -38,9 +44,33 @@ class ThePlatformIE(SubtitlesInfoExtractor):
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},
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}
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@staticmethod
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def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
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flags = '10' if include_qs else '00'
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expiration_date = '%x' % (int(time.time()) + life)
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def str_to_hex(str):
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return binascii.b2a_hex(str.encode('ascii')).decode('ascii')
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def hex_to_str(hex):
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return binascii.a2b_hex(hex)
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relative_path = url.split('http://link.theplatform.com/s/')[1].split('?')[0]
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clear_text = hex_to_str(flags + expiration_date + str_to_hex(relative_path))
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checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
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sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
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return '%s&sig=%s' % (url, sig)
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def _real_extract(self, url):
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url, smuggled_data = unsmuggle_url(url, {})
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mobj = re.match(self._VALID_URL, url)
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provider_id = mobj.group('provider_id')
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video_id = mobj.group('id')
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if not provider_id:
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provider_id = 'dJ5BDC'
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if mobj.group('config'):
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config_url = url + '&form=json'
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config_url = config_url.replace('swf/', 'config/')
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@ -48,8 +78,12 @@ def _real_extract(self, url):
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config = self._download_json(config_url, video_id, 'Downloading config')
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smil_url = config['releaseUrl'] + '&format=SMIL&formats=MPEG4&manifest=f4m'
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else:
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smil_url = ('http://link.theplatform.com/s/dJ5BDC/{0}/meta.smil?'
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'format=smil&mbr=true'.format(video_id))
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smil_url = ('http://link.theplatform.com/s/{0}/{1}/meta.smil?'
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'format=smil&mbr=true'.format(provider_id, video_id))
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sig = smuggled_data.get('sig')
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if sig:
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smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])
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meta = self._download_xml(smil_url, video_id)
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try:
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@ -62,7 +96,7 @@ def _real_extract(self, url):
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else:
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raise ExtractorError(error_msg, expected=True)
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info_url = 'http://link.theplatform.com/s/dJ5BDC/{0}?format=preview'.format(video_id)
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info_url = 'http://link.theplatform.com/s/{0}/{1}?format=preview'.format(provider_id, video_id)
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info_json = self._download_webpage(info_url, video_id)
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info = json.loads(info_json)
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