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Diffstat (limited to 'youtube_dl/extractor/nexx.py')
| -rw-r--r-- | youtube_dl/extractor/nexx.py | 271 | 
1 files changed, 271 insertions, 0 deletions
| diff --git a/youtube_dl/extractor/nexx.py b/youtube_dl/extractor/nexx.py new file mode 100644 index 000000000..d0235fdfe --- /dev/null +++ b/youtube_dl/extractor/nexx.py @@ -0,0 +1,271 @@ +# 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'https?://api\.nexx(?:\.cloud|cdn\.com)/v3/(?P<domain_id>\d+)/videos/byid/(?P<id>\d+)' +    _TESTS = [{ +        # movie +        'url': 'https://api.nexx.cloud/v3/748/videos/byid/128907', +        'md5': '16746bfc28c42049492385c989b26c4a', +        '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$', +            'duration': 2509, +            'timestamp': 1384264416, +            'upload_date': '20131112', +        }, +        'params': { +            'format': 'bestvideo', +        }, +    }, { +        # episode +        'url': 'https://api.nexx.cloud/v3/741/videos/byid/247858', +        'info_dict': { +            'id': '247858', +            'ext': 'mp4', +            'title': 'Return of the Golden Child (OV)', +            'description': 'md5:5d969537509a92b733de21bae249dc63', +            'release_year': 2017, +            'thumbnail': r're:^https?://.*\.jpg$', +            'duration': 1397, +            'timestamp': 1495033267, +            'upload_date': '20170517', +            'episode_number': 2, +            'season_number': 2, +        }, +        'params': { +            'format': 'bestvideo', +            'skip_download': True, +        }, +    }, { +        'url': 'https://api.nexxcdn.com/v3/748/videos/byid/128907', +        'only_matching': True, +    }] + +    @staticmethod +    def _extract_urls(webpage): +        # Reference: +        # 1. https://nx-s.akamaized.net/files/201510/44.pdf + +        entries = [] + +        # JavaScript Integration +        mobj = re.search( +            r'<script\b[^>]+\bsrc=["\']https?://require\.nexx(?:\.cloud|cdn\.com)/(?P<id>\d+)', +            webpage) +        if mobj: +            domain_id = mobj.group('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, video_id = mobj.group('domain_id', '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 and formats + +        cdn = stream_data['cdnType'] +        assert cdn == 'azure' + +        azure_locator = stream_data['azureLocator'] + +        AZURE_URL = 'http://nx-p%02d.akamaized.net/' + +        for secure in ('s', ''): +            cdn_shield = stream_data.get('cdnShieldHTTP%s' % secure.upper()) +            if cdn_shield: +                azure_base = 'http%s://%s' % (secure, cdn_shield) +                break +        else: +            azure_base = AZURE_URL % int(stream_data['azureAccount'].replace('nexxplayplus', '')) + +        is_ml = ',' in language +        azure_m3u8_url = '%s%s/%s_src%s.ism/Manifest(format=m3u8-aapl)' % ( +            azure_base, azure_locator, video_id, ('_manifest' if is_ml else '')) + +        protection_token = try_get( +            video, lambda x: x['protectiondata']['token'], compat_str) +        if protection_token: +            azure_m3u8_url += '?hdnts=%s' % protection_token + +        formats = self._extract_m3u8_formats( +            azure_m3u8_url, video_id, 'mp4', entry_protocol='m3u8_native', +            m3u8_id='%s-hls' % cdn) +        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()) | 
