_ Git - youtube-dl/blob - youtube_dl/extractor/theplatform.py

   1 # -*- coding: utf-8 -*-
   2 from __future__ import unicode_literals
   3
   4 import re
   5 import time
   6 import hmac
   7 import binascii
   8 import hashlib
   9 import netrc
  10
  11
  12 from .once import OnceIE
  13 from ..compat import (
  14     compat_parse_qs,
  15     compat_urllib_parse_urlparse,
  16 )
  17 from ..utils import (
  18     determine_ext,
  19     ExtractorError,
  20     float_or_none,
  21     int_or_none,
  22     sanitized_Request,
  23     unsmuggle_url,
  24     update_url_query,
  25     xpath_with_ns,
  26     mimetype2ext,
  27     find_xpath_attr,
  28     unescapeHTML,
  29     urlencode_postdata,
  30     unified_timestamp,
  31 )
  32
  33 default_ns = 'http://www.w3.org/2005/SMIL21/Language'
  34 _x = lambda p: xpath_with_ns(p, {'smil': default_ns})
  35
  36
  37 class ThePlatformBaseIE(OnceIE):
  38     def _extract_theplatform_smil(self, smil_url, video_id, note='Downloading SMIL data'):
  39         meta = self._download_xml(smil_url, video_id, note=note, query={'format': 'SMIL'})
  40         error_element = find_xpath_attr(meta, _x('.//smil:ref'), 'src')
  41         if error_element is not None and error_element.attrib['src'].startswith(
  42                 'http://link.theplatform.com/s/errorFiles/Unavailable.'):
  43             raise ExtractorError(error_element.attrib['abstract'], expected=True)
  44
  45         smil_formats = self._parse_smil_formats(
  46             meta, smil_url, video_id, namespace=default_ns,
  47             # the parameters are from syfy.com, other sites may use others,
  48             # they also work for nbc.com
  49             f4m_params={'g': 'UXWGVKRWHFSP', 'hdcore': '3.0.3'},
  50             transform_rtmp_url=lambda streamer, src: (streamer, 'mp4:' + src))
  51
  52         formats = []
  53         for _format in smil_formats:
  54             if OnceIE.suitable(_format['url']):
  55                 formats.extend(self._extract_once_formats(_format['url']))
  56             else:
  57                 media_url = _format['url']
  58                 if determine_ext(media_url) == 'm3u8':
  59                     hdnea2 = self._get_cookies(media_url).get('hdnea2')
  60                     if hdnea2:
  61                         _format['url'] = update_url_query(media_url, {'hdnea3': hdnea2.value})
  62
  63                 formats.append(_format)
  64
  65         subtitles = self._parse_smil_subtitles(meta, default_ns)
  66
  67         return formats, subtitles
  68
  69     def _download_theplatform_metadata(self, path, video_id):
  70         info_url = 'http://link.theplatform.com/s/%s?format=preview' % path
  71         return self._download_json(info_url, video_id)
  72
  73     def _parse_theplatform_metadata(self, info):
  74         subtitles = {}
  75         captions = info.get('captions')
  76         if isinstance(captions, list):
  77             for caption in captions:
  78                 lang, src, mime = caption.get('lang', 'en'), caption.get('src'), caption.get('type')
  79                 subtitles[lang] = [{
  80                     'ext': mimetype2ext(mime),
  81                     'url': src,
  82                 }]
  83
  84         return {
  85             'title': info['title'],
  86             'subtitles': subtitles,
  87             'description': info['description'],
  88             'thumbnail': info['defaultThumbnailUrl'],
  89             'duration': int_or_none(info.get('duration'), 1000),
  90             'timestamp': int_or_none(info.get('pubDate'), 1000) or None,
  91             'uploader': info.get('billingCode'),
  92         }
  93
  94     def _extract_theplatform_metadata(self, path, video_id):
  95         info = self._download_theplatform_metadata(path, video_id)
  96         return self._parse_theplatform_metadata(info)
  97
  98
  99 class ThePlatformIE(ThePlatformBaseIE):
 100     _VALID_URL = r'''(?x)
 101         (?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P<provider_id>[^/]+)/
 102            (?:(?:(?:[^/]+/)+select/)?(?P<media>media/(?:guid/\d+/)?)|(?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/))?
 103          |theplatform:)(?P<id>[^/\?&]+)'''
 104
 105     _TESTS = [{
 106         # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
 107         'url': 'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
 108         'info_dict': {
 109             'id': 'e9I_cZgTgIPd',
 110             'ext': 'flv',
 111             'title': 'Blackberry\'s big, bold Z30',
 112             'description': 'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
 113             'duration': 247,
 114             'timestamp': 1383239700,
 115             'upload_date': '20131031',
 116             'uploader': 'CBSI-NEW',
 117         },
 118         'params': {
 119             # rtmp download
 120             'skip_download': True,
 121         },
 122     }, {
 123         # from http://www.cnet.com/videos/tesla-model-s-a-second-step-towards-a-cleaner-motoring-future/
 124         'url': 'http://link.theplatform.com/s/kYEXFC/22d_qsQ6MIRT',
 125         'info_dict': {
 126             'id': '22d_qsQ6MIRT',
 127             'ext': 'flv',
 128             'description': 'md5:ac330c9258c04f9d7512cf26b9595409',
 129             'title': 'Tesla Model S: A second step towards a cleaner motoring future',
 130             'timestamp': 1426176191,
 131             'upload_date': '20150312',
 132             'uploader': 'CBSI-NEW',
 133         },
 134         'params': {
 135             # rtmp download
 136             'skip_download': True,
 137         }
 138     }, {
 139         'url': 'https://player.theplatform.com/p/D6x-PC/pulse_preview/embed/select/media/yMBg9E8KFxZD',
 140         'info_dict': {
 141             'id': 'yMBg9E8KFxZD',
 142             'ext': 'mp4',
 143             'description': 'md5:644ad9188d655b742f942bf2e06b002d',
 144             'title': 'HIGHLIGHTS: USA bag first ever series Cup win',
 145             'uploader': 'EGSM',
 146         }
 147     }, {
 148         'url': 'http://player.theplatform.com/p/NnzsPC/widget/select/media/4Y0TlYUr_ZT7',
 149         'only_matching': True,
 150     }, {
 151         'url': 'http://player.theplatform.com/p/2E2eJC/nbcNewsOffsite?guid=tdy_or_siri_150701',
 152         'md5': 'fb96bb3d85118930a5b055783a3bd992',
 153         'info_dict': {
 154             'id': 'tdy_or_siri_150701',
 155             'ext': 'mp4',
 156             'title': 'iPhone Siri’s sassy response to a math question has people talking',
 157             'description': 'md5:a565d1deadd5086f3331d57298ec6333',
 158             'duration': 83.0,
 159             'thumbnail': 're:^https?://.*\.jpg$',
 160             'timestamp': 1435752600,
 161             'upload_date': '20150701',
 162             'uploader': 'NBCU-NEWS',
 163         },
 164     }, {
 165         # From http://www.nbc.com/the-blacklist/video/sir-crispin-crandall/2928790?onid=137781#vc137781=1
 166         # geo-restricted (US), HLS encrypted with AES-128
 167         'url': 'http://player.theplatform.com/p/NnzsPC/onsite_universal/select/media/guid/2410887629/2928790?fwsitesection=nbc_the_blacklist_video_library&autoPlay=true&carouselID=137781',
 168         'only_matching': True,
 169     }]
 170     _SERVICE_PROVIDER_TEMPLATE = 'https://sp.auth.adobe.com/adobe-services/%s'
 171
 172     @classmethod
 173     def _extract_urls(cls, webpage):
 174         m = re.search(
 175             r'''(?x)
 176                     <meta\s+
 177                         property=(["'])(?:og:video(?::(?:secure_)?url)?|twitter:player)\1\s+
 178                         content=(["'])(?P<url>https?://player\.theplatform\.com/p/.+?)\2
 179             ''', webpage)
 180         if m:
 181             return [m.group('url')]
 182
 183         matches = re.findall(
 184             r'<(?:iframe|script)[^>]+src=(["\'])((?:https?:)?//player\.theplatform\.com/p/.+?)\1', webpage)
 185         if matches:
 186             return list(zip(*matches))[1]
 187
 188     @staticmethod
 189     def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
 190         flags = '10' if include_qs else '00'
 191         expiration_date = '%x' % (int(time.time()) + life)
 192
 193         def str_to_hex(str):
 194             return binascii.b2a_hex(str.encode('ascii')).decode('ascii')
 195
 196         def hex_to_bytes(hex):
 197             return binascii.a2b_hex(hex.encode('ascii'))
 198
 199         relative_path = re.match(r'https?://link.theplatform.com/s/([^?]+)', url).group(1)
 200         clear_text = hex_to_bytes(flags + expiration_date + str_to_hex(relative_path))
 201         checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
 202         sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
 203         return '%s&sig=%s' % (url, sig)
 204
 205     def _extract_mvpd_auth(self, url, video_id, requestor_id, resource):
 206         def xml_text(xml_str, tag):
 207             return self._search_regex(
 208                 '<%s>(.+?)</%s>' % (tag, tag), xml_str, tag)
 209
 210         mvpd_headers = {
 211             'ap_42': 'anonymous',
 212             'ap_11': 'Linux i686',
 213             'ap_z': 'Mozilla/5.0 (X11; Linux i686; rv:47.0) Gecko/20100101 Firefox/47.0',
 214             'User-Agent': 'Mozilla/5.0 (X11; Linux i686; rv:47.0) Gecko/20100101 Firefox/47.0',
 215         }
 216
 217         guid = xml_text(resource, 'guid')
 218         requestor_info = self._downloader.cache.load('mvpd', requestor_id) or {}
 219         authn_token = requestor_info.get('authn_token')
 220         if authn_token:
 221             token_expires = unified_timestamp(xml_text(authn_token, 'simpleTokenExpires').replace('_GMT', ''))
 222             if token_expires and token_expires >= time.time():
 223                 authn_token = None
 224         if not authn_token:
 225             # TODO add support for other TV Providers
 226             mso_id = 'DTV'
 227             login_info = netrc.netrc().authenticators(mso_id)
 228             if not login_info:
 229                 return None
 230
 231             def post_form(form_page, note, data={}):
 232                 post_url = self._html_search_regex(r'<form[^>]+action=(["\'])(?P<url>.+?)\1', form_page, 'post url', group='url')
 233                 return self._download_webpage(
 234                     post_url, video_id, note, data=urlencode_postdata(data or self._hidden_inputs(form_page)), headers={
 235                         'Content-Type': 'application/x-www-form-urlencoded',
 236                     })
 237
 238             provider_redirect_page = self._download_webpage(
 239                 self._SERVICE_PROVIDER_TEMPLATE % 'authenticate/saml', video_id,
 240                 'Downloading Provider Redirect Page', query={
 241                     'noflash': 'true',
 242                     'mso_id': mso_id,
 243                     'requestor_id': requestor_id,
 244                     'no_iframe': 'false',
 245                     'domain_name': 'adobe.com',
 246                     'redirect_url': url,
 247                 })
 248             provider_login_page = post_form(
 249                 provider_redirect_page, 'Downloading Provider Login Page')
 250             mvpd_confirm_page = post_form(provider_login_page, 'Logging in', {
 251                 'username': login_info[0],
 252                 'password': login_info[2],
 253             })
 254             post_form(mvpd_confirm_page, 'Confirming Login')
 255
 256             session = self._download_webpage(
 257                 self._SERVICE_PROVIDER_TEMPLATE % 'session', video_id,
 258                 'Retrieving Session', data=urlencode_postdata({
 259                     '_method': 'GET',
 260                     'requestor_id': requestor_id,
 261                 }), headers=mvpd_headers)
 262             authn_token = unescapeHTML(xml_text(session, 'authnToken'))
 263             requestor_info['authn_token'] = authn_token
 264             self._downloader.cache.store('mvpd', requestor_id, requestor_info)
 265
 266         authz_token = requestor_info.get(guid)
 267         if not authz_token:
 268             authorize = self._download_webpage(
 269                 self._SERVICE_PROVIDER_TEMPLATE % 'authorize', video_id,
 270                 'Retrieving Authorization Token', data=urlencode_postdata({
 271                     'resource_id': resource,
 272                     'requestor_id': requestor_id,
 273                     'authentication_token': authn_token,
 274                     'mso_id': xml_text(authn_token, 'simpleTokenMsoID'),
 275                     'userMeta': '1',
 276                 }), headers=mvpd_headers)
 277             authz_token = unescapeHTML(xml_text(authorize, 'authzToken'))
 278             requestor_info[guid] = authz_token
 279             self._downloader.cache.store('mvpd', requestor_id, requestor_info)
 280
 281         mvpd_headers.update({
 282             'ap_19': xml_text(authn_token, 'simpleSamlNameID'),
 283             'ap_23': xml_text(authn_token, 'simpleSamlSessionIndex'),
 284         })
 285
 286         return self._download_webpage(
 287             self._SERVICE_PROVIDER_TEMPLATE % 'shortAuthorize',
 288             video_id, 'Retrieving Media Token', data=urlencode_postdata({
 289                 'authz_token': authz_token,
 290                 'requestor_id': requestor_id,
 291                 'session_guid': xml_text(authn_token, 'simpleTokenAuthenticationGuid'),
 292                 'hashed_guid': 'false',
 293             }), headers=mvpd_headers)
 294
 295     def _real_extract(self, url):
 296         url, smuggled_data = unsmuggle_url(url, {})
 297
 298         mobj = re.match(self._VALID_URL, url)
 299         provider_id = mobj.group('provider_id')
 300         video_id = mobj.group('id')
 301
 302         if not provider_id:
 303             provider_id = 'dJ5BDC'
 304
 305         path = provider_id + '/'
 306         if mobj.group('media'):
 307             path += mobj.group('media')
 308         path += video_id
 309
 310         qs_dict = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
 311         if 'guid' in qs_dict:
 312             webpage = self._download_webpage(url, video_id)
 313             scripts = re.findall(r'<script[^>]+src="([^"]+)"', webpage)
 314             feed_id = None
 315             # feed id usually locates in the last script.
 316             # Seems there's no pattern for the interested script filename, so
 317             # I try one by one
 318             for script in reversed(scripts):
 319                 feed_script = self._download_webpage(
 320                     self._proto_relative_url(script, 'http:'),
 321                     video_id, 'Downloading feed script')
 322                 feed_id = self._search_regex(
 323                     r'defaultFeedId\s*:\s*"([^"]+)"', feed_script,
 324                     'default feed id', default=None)
 325                 if feed_id is not None:
 326                     break
 327             if feed_id is None:
 328                 raise ExtractorError('Unable to find feed id')
 329             return self.url_result('http://feed.theplatform.com/f/%s/%s?byGuid=%s' % (
 330                 provider_id, feed_id, qs_dict['guid'][0]))
 331
 332         if smuggled_data.get('force_smil_url', False):
 333             smil_url = url
 334         # Explicitly specified SMIL (see https://github.com/rg3/youtube-dl/issues/7385)
 335         elif '/guid/' in url:
 336             headers = {}
 337             source_url = smuggled_data.get('source_url')
 338             if source_url:
 339                 headers['Referer'] = source_url
 340             request = sanitized_Request(url, headers=headers)
 341             webpage = self._download_webpage(request, video_id)
 342             smil_url = self._search_regex(
 343                 r'<link[^>]+href=(["\'])(?P<url>.+?)\1[^>]+type=["\']application/smil\+xml',
 344                 webpage, 'smil url', group='url')
 345             path = self._search_regex(
 346                 r'link\.theplatform\.com/s/((?:[^/?#&]+/)+[^/?#&]+)', smil_url, 'path')
 347             smil_url += '?' if '?' not in smil_url else '&' + 'formats=m3u,mpeg4'
 348         elif mobj.group('config'):
 349             config_url = url + '&form=json'
 350             config_url = config_url.replace('swf/', 'config/')
 351             config_url = config_url.replace('onsite/', 'onsite/config/')
 352             config = self._download_json(config_url, video_id, 'Downloading config')
 353             if 'releaseUrl' in config:
 354                 release_url = config['releaseUrl']
 355             else:
 356                 release_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
 357             smil_url = release_url + '&formats=MPEG4&manifest=f4m'
 358         else:
 359             smil_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
 360
 361         sig = smuggled_data.get('sig')
 362         if sig:
 363             smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])
 364
 365         formats, subtitles = self._extract_theplatform_smil(smil_url, video_id)
 366         self._sort_formats(formats)
 367
 368         ret = self._extract_theplatform_metadata(path, video_id)
 369         combined_subtitles = self._merge_subtitles(ret.get('subtitles', {}), subtitles)
 370         ret.update({
 371             'id': video_id,
 372             'formats': formats,
 373             'subtitles': combined_subtitles,
 374         })
 375
 376         return ret
 377
 378
 379 class ThePlatformFeedIE(ThePlatformBaseIE):
 380     _URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&%s'
 381     _VALID_URL = r'https?://feed\.theplatform\.com/f/(?P<provider_id>[^/]+)/(?P<feed_id>[^?/]+)\?(?:[^&]+&)*(?P<filter>by(?:Gui|I)d=(?P<id>[\w-]+))'
 382     _TESTS = [{
 383         # From http://player.theplatform.com/p/7wvmTC/MSNBCEmbeddedOffSite?guid=n_hardball_5biden_140207
 384         'url': 'http://feed.theplatform.com/f/7wvmTC/msnbc_video-p-test?form=json&pretty=true&range=-40&byGuid=n_hardball_5biden_140207',
 385         'md5': '6e32495b5073ab414471b615c5ded394',
 386         'info_dict': {
 387             'id': 'n_hardball_5biden_140207',
 388             'ext': 'mp4',
 389             'title': 'The Biden factor: will Joe run in 2016?',
 390             'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.',
 391             'thumbnail': 're:^https?://.*\.jpg$',
 392             'upload_date': '20140208',
 393             'timestamp': 1391824260,
 394             'duration': 467.0,
 395             'categories': ['MSNBC/Issues/Democrats', 'MSNBC/Issues/Elections/Election 2016'],
 396             'uploader': 'NBCU-NEWS',
 397         },
 398     }]
 399
 400     def _extract_feed_info(self, provider_id, feed_id, filter_query, video_id, custom_fields=None, asset_types_query={}):
 401         real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, filter_query)
 402         entry = self._download_json(real_url, video_id)['entries'][0]
 403
 404         formats = []
 405         subtitles = {}
 406         first_video_id = None
 407         duration = None
 408         asset_types = []
 409         for item in entry['media$content']:
 410             smil_url = item['plfile$url']
 411             cur_video_id = ThePlatformIE._match_id(smil_url)
 412             if first_video_id is None:
 413                 first_video_id = cur_video_id
 414                 duration = float_or_none(item.get('plfile$duration'))
 415             for asset_type in item['plfile$assetTypes']:
 416                 if asset_type in asset_types:
 417                     continue
 418                 asset_types.append(asset_type)
 419                 query = {
 420                     'mbr': 'true',
 421                     'formats': item['plfile$format'],
 422                     'assetTypes': asset_type,
 423                 }
 424                 if asset_type in asset_types_query:
 425                     query.update(asset_types_query[asset_type])
 426                 cur_formats, cur_subtitles = self._extract_theplatform_smil(update_url_query(
 427                     smil_url, query), video_id, 'Downloading SMIL data for %s' % asset_type)
 428                 formats.extend(cur_formats)
 429                 subtitles = self._merge_subtitles(subtitles, cur_subtitles)
 430
 431         self._sort_formats(formats)
 432
 433         thumbnails = [{
 434             'url': thumbnail['plfile$url'],
 435             'width': int_or_none(thumbnail.get('plfile$width')),
 436             'height': int_or_none(thumbnail.get('plfile$height')),
 437         } for thumbnail in entry.get('media$thumbnails', [])]
 438
 439         timestamp = int_or_none(entry.get('media$availableDate'), scale=1000)
 440         categories = [item['media$name'] for item in entry.get('media$categories', [])]
 441
 442         ret = self._extract_theplatform_metadata('%s/%s' % (provider_id, first_video_id), video_id)
 443         subtitles = self._merge_subtitles(subtitles, ret['subtitles'])
 444         ret.update({
 445             'id': video_id,
 446             'formats': formats,
 447             'subtitles': subtitles,
 448             'thumbnails': thumbnails,
 449             'duration': duration,
 450             'timestamp': timestamp,
 451             'categories': categories,
 452         })
 453         if custom_fields:
 454             ret.update(custom_fields(entry))
 455
 456         return ret
 457
 458     def _real_extract(self, url):
 459         mobj = re.match(self._VALID_URL, url)
 460
 461         video_id = mobj.group('id')
 462         provider_id = mobj.group('provider_id')
 463         feed_id = mobj.group('feed_id')
 464         filter_query = mobj.group('filter')
 465
 466         return self._extract_feed_info(provider_id, feed_id, filter_query, video_id)