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Diffstat (limited to 'youtube_dl/extractor/nexx.py')
| -rw-r--r-- | youtube_dl/extractor/nexx.py | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/youtube_dl/extractor/nexx.py b/youtube_dl/extractor/nexx.py new file mode 100644 index 000000000..9203c0477 --- /dev/null +++ b/youtube_dl/extractor/nexx.py @@ -0,0 +1,313 @@ +# coding: utf-8 +from __future__ import unicode_literals + +import hashlib +import random +import re +import time + +from .common import InfoExtractor +from ..compat import compat_str +from ..utils import ( + ExtractorError, + int_or_none, + parse_duration, + try_get, + urlencode_postdata, +) + + +class NexxIE(InfoExtractor): + _VALID_URL = r'''(?x) + (?: + https?://api\.nexx(?:\.cloud|cdn\.com)/v3/(?P<domain_id>\d+)/videos/byid/| + nexx:(?P<domain_id_s>\d+): + ) + (?P<id>\d+) + ''' + _TESTS = [{ + # movie + 'url': 'https://api.nexx.cloud/v3/748/videos/byid/128907', + 'md5': '828cea195be04e66057b846288295ba1', + 'info_dict': { + 'id': '128907', + 'ext': 'mp4', + 'title': 'Stiftung Warentest', + 'alt_title': 'Wie ein Test abläuft', + 'description': 'md5:d1ddb1ef63de721132abd38639cc2fd2', + 'release_year': 2013, + 'creator': 'SPIEGEL TV', + 'thumbnail': r're:^https?://.*\.jpg$', + 'duration': 2509, + 'timestamp': 1384264416, + 'upload_date': '20131112', + }, + }, { + # episode + 'url': 'https://api.nexx.cloud/v3/741/videos/byid/247858', + 'info_dict': { + 'id': '247858', + 'ext': 'mp4', + 'title': 'Return of the Golden Child (OV)', + 'description': 'md5:5d969537509a92b733de21bae249dc63', + 'release_year': 2017, + 'thumbnail': r're:^https?://.*\.jpg$', + 'duration': 1397, + 'timestamp': 1495033267, + 'upload_date': '20170517', + 'episode_number': 2, + 'season_number': 2, + }, + 'params': { + 'skip_download': True, + }, + }, { + 'url': 'https://api.nexxcdn.com/v3/748/videos/byid/128907', + 'only_matching': True, + }, { + 'url': 'nexx:748:128907', + 'only_matching': True, + }] + + @staticmethod + def _extract_domain_id(webpage): + mobj = re.search( + r'<script\b[^>]+\bsrc=["\'](?:https?:)?//require\.nexx(?:\.cloud|cdn\.com)/(?P<id>\d+)', + webpage) + return mobj.group('id') if mobj else None + + @staticmethod + def _extract_urls(webpage): + # Reference: + # 1. https://nx-s.akamaized.net/files/201510/44.pdf + + entries = [] + + # JavaScript Integration + domain_id = NexxIE._extract_domain_id(webpage) + if domain_id: + for video_id in re.findall( + r'(?is)onPLAYReady.+?_play\.init\s*\(.+?\s*,\s*["\']?(\d+)', + webpage): + entries.append( + 'https://api.nexx.cloud/v3/%s/videos/byid/%s' + % (domain_id, video_id)) + + # TODO: support more embed formats + + return entries + + @staticmethod + def _extract_url(webpage): + return NexxIE._extract_urls(webpage)[0] + + def _handle_error(self, response): + status = int_or_none(try_get( + response, lambda x: x['metadata']['status']) or 200) + if 200 <= status < 300: + return + raise ExtractorError( + '%s said: %s' % (self.IE_NAME, response['metadata']['errorhint']), + expected=True) + + def _call_api(self, domain_id, path, video_id, data=None, headers={}): + headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8' + result = self._download_json( + 'https://api.nexx.cloud/v3/%s/%s' % (domain_id, path), video_id, + 'Downloading %s JSON' % path, data=urlencode_postdata(data), + headers=headers) + self._handle_error(result) + return result['result'] + + def _real_extract(self, url): + mobj = re.match(self._VALID_URL, url) + domain_id = mobj.group('domain_id') or mobj.group('domain_id_s') + video_id = mobj.group('id') + + # Reverse engineered from JS code (see getDeviceID function) + device_id = '%d:%d:%d%d' % ( + random.randint(1, 4), int(time.time()), + random.randint(1e4, 99999), random.randint(1, 9)) + + result = self._call_api(domain_id, 'session/init', video_id, data={ + 'nxp_devh': device_id, + 'nxp_userh': '', + 'precid': '0', + 'playlicense': '0', + 'screenx': '1920', + 'screeny': '1080', + 'playerversion': '6.0.00', + 'gateway': 'html5', + 'adGateway': '', + 'explicitlanguage': 'en-US', + 'addTextTemplates': '1', + 'addDomainData': '1', + 'addAdModel': '1', + }, headers={ + 'X-Request-Enable-Auth-Fallback': '1', + }) + + cid = result['general']['cid'] + + # As described in [1] X-Request-Token generation algorithm is + # as follows: + # md5( operation + domain_id + domain_secret ) + # where domain_secret is a static value that will be given by nexx.tv + # as per [1]. Here is how this "secret" is generated (reversed + # from _play.api.init function, search for clienttoken). So it's + # actually not static and not that much of a secret. + # 1. https://nexxtvstorage.blob.core.windows.net/files/201610/27.pdf + secret = result['device']['clienttoken'][int(device_id[0]):] + secret = secret[0:len(secret) - int(device_id[-1])] + + op = 'byid' + + # Reversed from JS code for _play.api.call function (search for + # X-Request-Token) + request_token = hashlib.md5( + ''.join((op, domain_id, secret)).encode('utf-8')).hexdigest() + + video = self._call_api( + domain_id, 'videos/%s/%s' % (op, video_id), video_id, data={ + 'additionalfields': 'language,channel,actors,studio,licenseby,slug,subtitle,teaser,description', + 'addInteractionOptions': '1', + 'addStatusDetails': '1', + 'addStreamDetails': '1', + 'addCaptions': '1', + 'addScenes': '1', + 'addHotSpots': '1', + 'addBumpers': '1', + 'captionFormat': 'data', + }, headers={ + 'X-Request-CID': cid, + 'X-Request-Token': request_token, + }) + + general = video['general'] + title = general['title'] + + stream_data = video['streamdata'] + language = general.get('language_raw') or '' + + # TODO: reverse more cdns + + cdn = stream_data['cdnType'] + assert cdn == 'azure' + + azure_locator = stream_data['azureLocator'] + + AZURE_URL = 'http://nx%s%02d.akamaized.net/' + + def get_cdn_shield_base(shield_type='', prefix='-p'): + for secure in ('', 's'): + cdn_shield = stream_data.get('cdnShield%sHTTP%s' % (shield_type, secure.upper())) + if cdn_shield: + return 'http%s://%s' % (secure, cdn_shield) + else: + return AZURE_URL % (prefix, int(stream_data['azureAccount'].replace('nexxplayplus', ''))) + + azure_stream_base = get_cdn_shield_base() + is_ml = ',' in language + azure_manifest_url = '%s%s/%s_src%s.ism/Manifest' % ( + azure_stream_base, azure_locator, video_id, ('_manifest' if is_ml else '')) + '%s' + + protection_token = try_get( + video, lambda x: x['protectiondata']['token'], compat_str) + if protection_token: + azure_manifest_url += '?hdnts=%s' % protection_token + + formats = self._extract_m3u8_formats( + azure_manifest_url % '(format=m3u8-aapl)', + video_id, 'mp4', 'm3u8_native', + m3u8_id='%s-hls' % cdn, fatal=False) + formats.extend(self._extract_mpd_formats( + azure_manifest_url % '(format=mpd-time-csf)', + video_id, mpd_id='%s-dash' % cdn, fatal=False)) + formats.extend(self._extract_ism_formats( + azure_manifest_url % '', video_id, ism_id='%s-mss' % cdn, fatal=False)) + + azure_progressive_base = get_cdn_shield_base('Prog', '-d') + azure_file_distribution = stream_data.get('azureFileDistribution') + if azure_file_distribution: + fds = azure_file_distribution.split(',') + if fds: + for fd in fds: + ss = fd.split(':') + if len(ss) == 2: + tbr = int_or_none(ss[0]) + if tbr: + f = { + 'url': '%s%s/%s_src_%s_%d.mp4' % ( + azure_progressive_base, azure_locator, video_id, ss[1], tbr), + 'format_id': '%s-http-%d' % (cdn, tbr), + 'tbr': tbr, + } + width_height = ss[1].split('x') + if len(width_height) == 2: + f.update({ + 'width': int_or_none(width_height[0]), + 'height': int_or_none(width_height[1]), + }) + formats.append(f) + + self._sort_formats(formats) + + return { + 'id': video_id, + 'title': title, + 'alt_title': general.get('subtitle'), + 'description': general.get('description'), + 'release_year': int_or_none(general.get('year')), + 'creator': general.get('studio') or general.get('studio_adref'), + 'thumbnail': try_get( + video, lambda x: x['imagedata']['thumb'], compat_str), + 'duration': parse_duration(general.get('runtime')), + 'timestamp': int_or_none(general.get('uploaded')), + 'episode_number': int_or_none(try_get( + video, lambda x: x['episodedata']['episode'])), + 'season_number': int_or_none(try_get( + video, lambda x: x['episodedata']['season'])), + 'formats': formats, + } + + +class NexxEmbedIE(InfoExtractor): + _VALID_URL = r'https?://embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?P<id>[^/?#&]+)' + _TEST = { + 'url': 'http://embed.nexx.cloud/748/KC1614647Z27Y7T?autoplay=1', + 'md5': '16746bfc28c42049492385c989b26c4a', + 'info_dict': { + 'id': '161464', + 'ext': 'mp4', + 'title': 'Nervenkitzel Achterbahn', + 'alt_title': 'Karussellbauer in Deutschland', + 'description': 'md5:ffe7b1cc59a01f585e0569949aef73cc', + 'release_year': 2005, + 'creator': 'SPIEGEL TV', + 'thumbnail': r're:^https?://.*\.jpg$', + 'duration': 2761, + 'timestamp': 1394021479, + 'upload_date': '20140305', + }, + 'params': { + 'format': 'bestvideo', + 'skip_download': True, + }, + } + + @staticmethod + def _extract_urls(webpage): + # Reference: + # 1. https://nx-s.akamaized.net/files/201510/44.pdf + + # iFrame Embed Integration + return [mobj.group('url') for mobj in re.finditer( + r'<iframe[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?:(?!\1).)+)\1', + webpage)] + + def _real_extract(self, url): + embed_id = self._match_id(url) + + webpage = self._download_webpage(url, embed_id) + + return self.url_result(NexxIE._extract_url(webpage), ie=NexxIE.ie_key()) |