]> git.bitcoin.ninja Git - youtube-dl/blob - youtube_dl/extractor/theplatform.py
release 2016.09.27
[youtube-dl] / 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
10
11 from .once import OnceIE
12 from .adobepass import AdobePassIE
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 )
29
30 default_ns = 'http://www.w3.org/2005/SMIL21/Language'
31 _x = lambda p: xpath_with_ns(p, {'smil': default_ns})
32
33
34 class ThePlatformBaseIE(OnceIE):
35     def _extract_theplatform_smil(self, smil_url, video_id, note='Downloading SMIL data'):
36         meta = self._download_xml(smil_url, video_id, note=note, query={'format': 'SMIL'})
37         error_element = find_xpath_attr(meta, _x('.//smil:ref'), 'src')
38         if error_element is not None and error_element.attrib['src'].startswith(
39                 'http://link.theplatform.com/s/errorFiles/Unavailable.'):
40             raise ExtractorError(error_element.attrib['abstract'], expected=True)
41
42         smil_formats = self._parse_smil_formats(
43             meta, smil_url, video_id, namespace=default_ns,
44             # the parameters are from syfy.com, other sites may use others,
45             # they also work for nbc.com
46             f4m_params={'g': 'UXWGVKRWHFSP', 'hdcore': '3.0.3'},
47             transform_rtmp_url=lambda streamer, src: (streamer, 'mp4:' + src))
48
49         formats = []
50         for _format in smil_formats:
51             if OnceIE.suitable(_format['url']):
52                 formats.extend(self._extract_once_formats(_format['url']))
53             else:
54                 media_url = _format['url']
55                 if determine_ext(media_url) == 'm3u8':
56                     hdnea2 = self._get_cookies(media_url).get('hdnea2')
57                     if hdnea2:
58                         _format['url'] = update_url_query(media_url, {'hdnea3': hdnea2.value})
59
60                 formats.append(_format)
61
62         subtitles = self._parse_smil_subtitles(meta, default_ns)
63
64         return formats, subtitles
65
66     def _download_theplatform_metadata(self, path, video_id):
67         info_url = 'http://link.theplatform.com/s/%s?format=preview' % path
68         return self._download_json(info_url, video_id)
69
70     def _parse_theplatform_metadata(self, info):
71         subtitles = {}
72         captions = info.get('captions')
73         if isinstance(captions, list):
74             for caption in captions:
75                 lang, src, mime = caption.get('lang', 'en'), caption.get('src'), caption.get('type')
76                 subtitles.setdefault(lang, []).append({
77                     'ext': mimetype2ext(mime),
78                     'url': src,
79                 })
80
81         return {
82             'title': info['title'],
83             'subtitles': subtitles,
84             'description': info['description'],
85             'thumbnail': info['defaultThumbnailUrl'],
86             'duration': int_or_none(info.get('duration'), 1000),
87             'timestamp': int_or_none(info.get('pubDate'), 1000) or None,
88             'uploader': info.get('billingCode'),
89         }
90
91     def _extract_theplatform_metadata(self, path, video_id):
92         info = self._download_theplatform_metadata(path, video_id)
93         return self._parse_theplatform_metadata(info)
94
95
96 class ThePlatformIE(ThePlatformBaseIE, AdobePassIE):
97     _VALID_URL = r'''(?x)
98         (?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P<provider_id>[^/]+)/
99            (?:(?:(?:[^/]+/)+select/)?(?P<media>media/(?:guid/\d+/)?)?|(?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/))?
100          |theplatform:)(?P<id>[^/\?&]+)'''
101
102     _TESTS = [{
103         # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
104         'url': 'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
105         'info_dict': {
106             'id': 'e9I_cZgTgIPd',
107             'ext': 'flv',
108             'title': 'Blackberry\'s big, bold Z30',
109             'description': 'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
110             'duration': 247,
111             'timestamp': 1383239700,
112             'upload_date': '20131031',
113             'uploader': 'CBSI-NEW',
114         },
115         'params': {
116             # rtmp download
117             'skip_download': True,
118         },
119         'skip': '404 Not Found',
120     }, {
121         # from http://www.cnet.com/videos/tesla-model-s-a-second-step-towards-a-cleaner-motoring-future/
122         'url': 'http://link.theplatform.com/s/kYEXFC/22d_qsQ6MIRT',
123         'info_dict': {
124             'id': '22d_qsQ6MIRT',
125             'ext': 'flv',
126             'description': 'md5:ac330c9258c04f9d7512cf26b9595409',
127             'title': 'Tesla Model S: A second step towards a cleaner motoring future',
128             'timestamp': 1426176191,
129             'upload_date': '20150312',
130             'uploader': 'CBSI-NEW',
131         },
132         'params': {
133             # rtmp download
134             'skip_download': True,
135         }
136     }, {
137         'url': 'https://player.theplatform.com/p/D6x-PC/pulse_preview/embed/select/media/yMBg9E8KFxZD',
138         'info_dict': {
139             'id': 'yMBg9E8KFxZD',
140             'ext': 'mp4',
141             'description': 'md5:644ad9188d655b742f942bf2e06b002d',
142             'title': 'HIGHLIGHTS: USA bag first ever series Cup win',
143             'uploader': 'EGSM',
144         }
145     }, {
146         'url': 'http://player.theplatform.com/p/NnzsPC/widget/select/media/4Y0TlYUr_ZT7',
147         'only_matching': True,
148     }, {
149         'url': 'http://player.theplatform.com/p/2E2eJC/nbcNewsOffsite?guid=tdy_or_siri_150701',
150         'md5': 'fb96bb3d85118930a5b055783a3bd992',
151         'info_dict': {
152             'id': 'tdy_or_siri_150701',
153             'ext': 'mp4',
154             'title': 'iPhone Siri’s sassy response to a math question has people talking',
155             'description': 'md5:a565d1deadd5086f3331d57298ec6333',
156             'duration': 83.0,
157             'thumbnail': 're:^https?://.*\.jpg$',
158             'timestamp': 1435752600,
159             'upload_date': '20150701',
160             'uploader': 'NBCU-NEWS',
161         },
162     }, {
163         # From http://www.nbc.com/the-blacklist/video/sir-crispin-crandall/2928790?onid=137781#vc137781=1
164         # geo-restricted (US), HLS encrypted with AES-128
165         'url': 'http://player.theplatform.com/p/NnzsPC/onsite_universal/select/media/guid/2410887629/2928790?fwsitesection=nbc_the_blacklist_video_library&autoPlay=true&carouselID=137781',
166         'only_matching': True,
167     }]
168
169     @classmethod
170     def _extract_urls(cls, webpage):
171         m = re.search(
172             r'''(?x)
173                     <meta\s+
174                         property=(["'])(?:og:video(?::(?:secure_)?url)?|twitter:player)\1\s+
175                         content=(["'])(?P<url>https?://player\.theplatform\.com/p/.+?)\2
176             ''', webpage)
177         if m:
178             return [m.group('url')]
179
180         matches = re.findall(
181             r'<(?:iframe|script)[^>]+src=(["\'])((?:https?:)?//player\.theplatform\.com/p/.+?)\1', webpage)
182         if matches:
183             return list(zip(*matches))[1]
184
185     @staticmethod
186     def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
187         flags = '10' if include_qs else '00'
188         expiration_date = '%x' % (int(time.time()) + life)
189
190         def str_to_hex(str):
191             return binascii.b2a_hex(str.encode('ascii')).decode('ascii')
192
193         def hex_to_bytes(hex):
194             return binascii.a2b_hex(hex.encode('ascii'))
195
196         relative_path = re.match(r'https?://link.theplatform.com/s/([^?]+)', url).group(1)
197         clear_text = hex_to_bytes(flags + expiration_date + str_to_hex(relative_path))
198         checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
199         sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
200         return '%s&sig=%s' % (url, sig)
201
202     def _real_extract(self, url):
203         url, smuggled_data = unsmuggle_url(url, {})
204
205         mobj = re.match(self._VALID_URL, url)
206         provider_id = mobj.group('provider_id')
207         video_id = mobj.group('id')
208
209         if not provider_id:
210             provider_id = 'dJ5BDC'
211
212         path = provider_id + '/'
213         if mobj.group('media'):
214             path += mobj.group('media')
215         path += video_id
216
217         qs_dict = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
218         if 'guid' in qs_dict:
219             webpage = self._download_webpage(url, video_id)
220             scripts = re.findall(r'<script[^>]+src="([^"]+)"', webpage)
221             feed_id = None
222             # feed id usually locates in the last script.
223             # Seems there's no pattern for the interested script filename, so
224             # I try one by one
225             for script in reversed(scripts):
226                 feed_script = self._download_webpage(
227                     self._proto_relative_url(script, 'http:'),
228                     video_id, 'Downloading feed script')
229                 feed_id = self._search_regex(
230                     r'defaultFeedId\s*:\s*"([^"]+)"', feed_script,
231                     'default feed id', default=None)
232                 if feed_id is not None:
233                     break
234             if feed_id is None:
235                 raise ExtractorError('Unable to find feed id')
236             return self.url_result('http://feed.theplatform.com/f/%s/%s?byGuid=%s' % (
237                 provider_id, feed_id, qs_dict['guid'][0]))
238
239         if smuggled_data.get('force_smil_url', False):
240             smil_url = url
241         # Explicitly specified SMIL (see https://github.com/rg3/youtube-dl/issues/7385)
242         elif '/guid/' in url:
243             headers = {}
244             source_url = smuggled_data.get('source_url')
245             if source_url:
246                 headers['Referer'] = source_url
247             request = sanitized_Request(url, headers=headers)
248             webpage = self._download_webpage(request, video_id)
249             smil_url = self._search_regex(
250                 r'<link[^>]+href=(["\'])(?P<url>.+?)\1[^>]+type=["\']application/smil\+xml',
251                 webpage, 'smil url', group='url')
252             path = self._search_regex(
253                 r'link\.theplatform\.com/s/((?:[^/?#&]+/)+[^/?#&]+)', smil_url, 'path')
254             smil_url += '?' if '?' not in smil_url else '&' + 'formats=m3u,mpeg4'
255         elif mobj.group('config'):
256             config_url = url + '&form=json'
257             config_url = config_url.replace('swf/', 'config/')
258             config_url = config_url.replace('onsite/', 'onsite/config/')
259             config = self._download_json(config_url, video_id, 'Downloading config')
260             if 'releaseUrl' in config:
261                 release_url = config['releaseUrl']
262             else:
263                 release_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
264             smil_url = release_url + '&formats=MPEG4&manifest=f4m'
265         else:
266             smil_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
267
268         sig = smuggled_data.get('sig')
269         if sig:
270             smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])
271
272         formats, subtitles = self._extract_theplatform_smil(smil_url, video_id)
273         self._sort_formats(formats)
274
275         ret = self._extract_theplatform_metadata(path, video_id)
276         combined_subtitles = self._merge_subtitles(ret.get('subtitles', {}), subtitles)
277         ret.update({
278             'id': video_id,
279             'formats': formats,
280             'subtitles': combined_subtitles,
281         })
282
283         return ret
284
285
286 class ThePlatformFeedIE(ThePlatformBaseIE):
287     _URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&%s'
288     _VALID_URL = r'https?://feed\.theplatform\.com/f/(?P<provider_id>[^/]+)/(?P<feed_id>[^?/]+)\?(?:[^&]+&)*(?P<filter>by(?:Gui|I)d=(?P<id>[\w-]+))'
289     _TESTS = [{
290         # From http://player.theplatform.com/p/7wvmTC/MSNBCEmbeddedOffSite?guid=n_hardball_5biden_140207
291         'url': 'http://feed.theplatform.com/f/7wvmTC/msnbc_video-p-test?form=json&pretty=true&range=-40&byGuid=n_hardball_5biden_140207',
292         'md5': '6e32495b5073ab414471b615c5ded394',
293         'info_dict': {
294             'id': 'n_hardball_5biden_140207',
295             'ext': 'mp4',
296             'title': 'The Biden factor: will Joe run in 2016?',
297             'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.',
298             'thumbnail': 're:^https?://.*\.jpg$',
299             'upload_date': '20140208',
300             'timestamp': 1391824260,
301             'duration': 467.0,
302             'categories': ['MSNBC/Issues/Democrats', 'MSNBC/Issues/Elections/Election 2016'],
303             'uploader': 'NBCU-NEWS',
304         },
305     }]
306
307     def _extract_feed_info(self, provider_id, feed_id, filter_query, video_id, custom_fields=None, asset_types_query={}):
308         real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, filter_query)
309         entry = self._download_json(real_url, video_id)['entries'][0]
310
311         formats = []
312         subtitles = {}
313         first_video_id = None
314         duration = None
315         asset_types = []
316         for item in entry['media$content']:
317             smil_url = item['plfile$url']
318             cur_video_id = ThePlatformIE._match_id(smil_url)
319             if first_video_id is None:
320                 first_video_id = cur_video_id
321                 duration = float_or_none(item.get('plfile$duration'))
322             for asset_type in item['plfile$assetTypes']:
323                 if asset_type in asset_types:
324                     continue
325                 asset_types.append(asset_type)
326                 query = {
327                     'mbr': 'true',
328                     'formats': item['plfile$format'],
329                     'assetTypes': asset_type,
330                 }
331                 if asset_type in asset_types_query:
332                     query.update(asset_types_query[asset_type])
333                 cur_formats, cur_subtitles = self._extract_theplatform_smil(update_url_query(
334                     smil_url, query), video_id, 'Downloading SMIL data for %s' % asset_type)
335                 formats.extend(cur_formats)
336                 subtitles = self._merge_subtitles(subtitles, cur_subtitles)
337
338         self._sort_formats(formats)
339
340         thumbnails = [{
341             'url': thumbnail['plfile$url'],
342             'width': int_or_none(thumbnail.get('plfile$width')),
343             'height': int_or_none(thumbnail.get('plfile$height')),
344         } for thumbnail in entry.get('media$thumbnails', [])]
345
346         timestamp = int_or_none(entry.get('media$availableDate'), scale=1000)
347         categories = [item['media$name'] for item in entry.get('media$categories', [])]
348
349         ret = self._extract_theplatform_metadata('%s/%s' % (provider_id, first_video_id), video_id)
350         subtitles = self._merge_subtitles(subtitles, ret['subtitles'])
351         ret.update({
352             'id': video_id,
353             'formats': formats,
354             'subtitles': subtitles,
355             'thumbnails': thumbnails,
356             'duration': duration,
357             'timestamp': timestamp,
358             'categories': categories,
359         })
360         if custom_fields:
361             ret.update(custom_fields(entry))
362
363         return ret
364
365     def _real_extract(self, url):
366         mobj = re.match(self._VALID_URL, url)
367
368         video_id = mobj.group('id')
369         provider_id = mobj.group('provider_id')
370         feed_id = mobj.group('feed_id')
371         filter_query = mobj.group('filter')
372
373         return self._extract_feed_info(provider_id, feed_id, filter_query, video_id)