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https://codeberg.org/polarisfm/youtube-dl
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[nexx] Restore reverse engineered approach
This commit is contained in:
Sergey M․
parent
6202f08e1b
commit
d91dd0ce19
@ -1,22 +1,27 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import hashlib
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import random
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import re
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import time
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from .common import InfoExtractor
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from ..compat import compat_str
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from ..utils import (
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ExtractorError,
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int_or_none,
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parse_duration,
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try_get,
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urlencode_postdata,
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)
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class NexxIE(InfoExtractor):
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_VALID_URL = r'''(?x)
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(?:
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https?://api\.nexx(?:\.cloud|cdn\.com)/v3/\d+/videos/byid/|
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nexx:(?:\d+:)?|
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https?://api\.nexx(?:\.cloud|cdn\.com)/v3/(?P<domain_id>\d+)/videos/byid/|
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nexx:(?P<domain_id_s>\d+)?:|
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https?://arc\.nexx\.cloud/api/video/
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)
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(?P<id>\d+)
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@ -57,6 +62,21 @@ class NexxIE(InfoExtractor):
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'params': {
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'skip_download': True,
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},
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}, {
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# does not work via arc
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'url': 'nexx:741:1269984',
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'md5': 'c714b5b238b2958dc8d5642addba6886',
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'info_dict': {
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'id': '1269984',
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'ext': 'mp4',
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'title': '1 TAG ohne KLO... wortwörtlich! 😑',
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'alt_title': '1 TAG ohne KLO... wortwörtlich! 😑',
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'description': 'md5:4604539793c49eda9443ab5c5b1d612f',
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'thumbnail': r're:^https?://.*\.jpg$',
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'duration': 607,
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'timestamp': 1518614955,
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'upload_date': '20180214',
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},
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}, {
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'url': 'https://api.nexxcdn.com/v3/748/videos/byid/128907',
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'only_matching': True,
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@ -103,12 +123,99 @@ class NexxIE(InfoExtractor):
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def _extract_url(webpage):
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return NexxIE._extract_urls(webpage)[0]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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def _handle_error(self, response):
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status = int_or_none(try_get(
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response, lambda x: x['metadata']['status']) or 200)
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if 200 <= status < 300:
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return
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raise ExtractorError(
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'%s said: %s' % (self.IE_NAME, response['metadata']['errorhint']),
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expected=True)
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video = self._download_json(
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def _call_api(self, domain_id, path, video_id, data=None, headers={}):
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headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
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result = self._download_json(
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'https://api.nexx.cloud/v3/%s/%s' % (domain_id, path), video_id,
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'Downloading %s JSON' % path, data=urlencode_postdata(data),
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headers=headers)
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self._handle_error(result)
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return result['result']
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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domain_id = mobj.group('domain_id') or mobj.group('domain_id_s')
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video_id = mobj.group('id')
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video = None
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response = self._download_json(
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'https://arc.nexx.cloud/api/video/%s.json' % video_id,
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video_id)['result']
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video_id, fatal=False)
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if response and isinstance(response, dict):
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result = response.get('result')
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if result and isinstance(result, dict):
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video = result
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# not all videos work via arc, e.g. nexx:741:1269984
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if not video:
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# Reverse engineered from JS code (see getDeviceID function)
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device_id = '%d:%d:%d%d' % (
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random.randint(1, 4), int(time.time()),
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random.randint(1e4, 99999), random.randint(1, 9))
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result = self._call_api(domain_id, 'session/init', video_id, data={
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'nxp_devh': device_id,
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'nxp_userh': '',
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'precid': '0',
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'playlicense': '0',
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'screenx': '1920',
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'screeny': '1080',
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'playerversion': '6.0.00',
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'gateway': 'html5',
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'adGateway': '',
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'explicitlanguage': 'en-US',
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'addTextTemplates': '1',
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'addDomainData': '1',
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'addAdModel': '1',
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}, headers={
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'X-Request-Enable-Auth-Fallback': '1',
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})
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cid = result['general']['cid']
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# As described in [1] X-Request-Token generation algorithm is
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# as follows:
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# md5( operation + domain_id + domain_secret )
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# where domain_secret is a static value that will be given by nexx.tv
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# as per [1]. Here is how this "secret" is generated (reversed
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# from _play.api.init function, search for clienttoken). So it's
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# actually not static and not that much of a secret.
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# 1. https://nexxtvstorage.blob.core.windows.net/files/201610/27.pdf
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secret = result['device']['clienttoken'][int(device_id[0]):]
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secret = secret[0:len(secret) - int(device_id[-1])]
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op = 'byid'
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# Reversed from JS code for _play.api.call function (search for
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# X-Request-Token)
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request_token = hashlib.md5(
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''.join((op, domain_id, secret)).encode('utf-8')).hexdigest()
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video = self._call_api(
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domain_id, 'videos/%s/%s' % (op, video_id), video_id, data={
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'additionalfields': 'language,channel,actors,studio,licenseby,slug,subtitle,teaser,description',
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'addInteractionOptions': '1',
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'addStatusDetails': '1',
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'addStreamDetails': '1',
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'addCaptions': '1',
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'addScenes': '1',
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'addHotSpots': '1',
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'addBumpers': '1',
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'captionFormat': 'data',
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}, headers={
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'X-Request-CID': cid,
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'X-Request-Token': request_token,
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})
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general = video['general']
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title = general['title']
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