]> Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/extractor/theplatform.py
Merge tag 'upstream/2017.02.07'
[youtubedl] / 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(
37 smil_url, video_id, note=note, query={'format': 'SMIL'},
38 headers=self.geo_verification_headers())
39 error_element = find_xpath_attr(meta, _x('.//smil:ref'), 'src')
40 if error_element is not None and error_element.attrib['src'].startswith(
41 'http://link.theplatform.com/s/errorFiles/Unavailable.'):
42 raise ExtractorError(error_element.attrib['abstract'], expected=True)
43
44 smil_formats = self._parse_smil_formats(
45 meta, smil_url, video_id, namespace=default_ns,
46 # the parameters are from syfy.com, other sites may use others,
47 # they also work for nbc.com
48 f4m_params={'g': 'UXWGVKRWHFSP', 'hdcore': '3.0.3'},
49 transform_rtmp_url=lambda streamer, src: (streamer, 'mp4:' + src))
50
51 formats = []
52 for _format in smil_formats:
53 if OnceIE.suitable(_format['url']):
54 formats.extend(self._extract_once_formats(_format['url']))
55 else:
56 media_url = _format['url']
57 if determine_ext(media_url) == 'm3u8':
58 hdnea2 = self._get_cookies(media_url).get('hdnea2')
59 if hdnea2:
60 _format['url'] = update_url_query(media_url, {'hdnea3': hdnea2.value})
61
62 formats.append(_format)
63
64 subtitles = self._parse_smil_subtitles(meta, default_ns)
65
66 return formats, subtitles
67
68 def _download_theplatform_metadata(self, path, video_id):
69 info_url = 'http://link.theplatform.com/s/%s?format=preview' % path
70 return self._download_json(info_url, video_id)
71
72 def _parse_theplatform_metadata(self, info):
73 subtitles = {}
74 captions = info.get('captions')
75 if isinstance(captions, list):
76 for caption in captions:
77 lang, src, mime = caption.get('lang', 'en'), caption.get('src'), caption.get('type')
78 subtitles.setdefault(lang, []).append({
79 'ext': mimetype2ext(mime),
80 'url': src,
81 })
82
83 return {
84 'title': info['title'],
85 'subtitles': subtitles,
86 'description': info['description'],
87 'thumbnail': info['defaultThumbnailUrl'],
88 'duration': int_or_none(info.get('duration'), 1000),
89 'timestamp': int_or_none(info.get('pubDate'), 1000) or None,
90 'uploader': info.get('billingCode'),
91 }
92
93 def _extract_theplatform_metadata(self, path, video_id):
94 info = self._download_theplatform_metadata(path, video_id)
95 return self._parse_theplatform_metadata(info)
96
97
98 class ThePlatformIE(ThePlatformBaseIE, AdobePassIE):
99 _VALID_URL = r'''(?x)
100 (?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P<provider_id>[^/]+)/
101 (?:(?:(?:[^/]+/)+select/)?(?P<media>media/(?:guid/\d+/)?)?|(?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/))?
102 |theplatform:)(?P<id>[^/\?&]+)'''
103
104 _TESTS = [{
105 # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
106 'url': 'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
107 'info_dict': {
108 'id': 'e9I_cZgTgIPd',
109 'ext': 'flv',
110 'title': 'Blackberry\'s big, bold Z30',
111 'description': 'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
112 'duration': 247,
113 'timestamp': 1383239700,
114 'upload_date': '20131031',
115 'uploader': 'CBSI-NEW',
116 },
117 'params': {
118 # rtmp download
119 'skip_download': True,
120 },
121 'skip': '404 Not Found',
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': r'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
171 @classmethod
172 def _extract_urls(cls, webpage):
173 m = re.search(
174 r'''(?x)
175 <meta\s+
176 property=(["'])(?:og:video(?::(?:secure_)?url)?|twitter:player)\1\s+
177 content=(["'])(?P<url>https?://player\.theplatform\.com/p/.+?)\2
178 ''', webpage)
179 if m:
180 return [m.group('url')]
181
182 matches = re.findall(
183 r'<(?:iframe|script)[^>]+src=(["\'])((?:https?:)?//player\.theplatform\.com/p/.+?)\1', webpage)
184 if matches:
185 return list(zip(*matches))[1]
186
187 @staticmethod
188 def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
189 flags = '10' if include_qs else '00'
190 expiration_date = '%x' % (int(time.time()) + life)
191
192 def str_to_hex(str):
193 return binascii.b2a_hex(str.encode('ascii')).decode('ascii')
194
195 def hex_to_bytes(hex):
196 return binascii.a2b_hex(hex.encode('ascii'))
197
198 relative_path = re.match(r'https?://link.theplatform.com/s/([^?]+)', url).group(1)
199 clear_text = hex_to_bytes(flags + expiration_date + str_to_hex(relative_path))
200 checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
201 sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
202 return '%s&sig=%s' % (url, sig)
203
204 def _real_extract(self, url):
205 url, smuggled_data = unsmuggle_url(url, {})
206
207 mobj = re.match(self._VALID_URL, url)
208 provider_id = mobj.group('provider_id')
209 video_id = mobj.group('id')
210
211 if not provider_id:
212 provider_id = 'dJ5BDC'
213
214 path = provider_id + '/'
215 if mobj.group('media'):
216 path += mobj.group('media')
217 path += video_id
218
219 qs_dict = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
220 if 'guid' in qs_dict:
221 webpage = self._download_webpage(url, video_id)
222 scripts = re.findall(r'<script[^>]+src="([^"]+)"', webpage)
223 feed_id = None
224 # feed id usually locates in the last script.
225 # Seems there's no pattern for the interested script filename, so
226 # I try one by one
227 for script in reversed(scripts):
228 feed_script = self._download_webpage(
229 self._proto_relative_url(script, 'http:'),
230 video_id, 'Downloading feed script')
231 feed_id = self._search_regex(
232 r'defaultFeedId\s*:\s*"([^"]+)"', feed_script,
233 'default feed id', default=None)
234 if feed_id is not None:
235 break
236 if feed_id is None:
237 raise ExtractorError('Unable to find feed id')
238 return self.url_result('http://feed.theplatform.com/f/%s/%s?byGuid=%s' % (
239 provider_id, feed_id, qs_dict['guid'][0]))
240
241 if smuggled_data.get('force_smil_url', False):
242 smil_url = url
243 # Explicitly specified SMIL (see https://github.com/rg3/youtube-dl/issues/7385)
244 elif '/guid/' in url:
245 headers = {}
246 source_url = smuggled_data.get('source_url')
247 if source_url:
248 headers['Referer'] = source_url
249 request = sanitized_Request(url, headers=headers)
250 webpage = self._download_webpage(request, video_id)
251 smil_url = self._search_regex(
252 r'<link[^>]+href=(["\'])(?P<url>.+?)\1[^>]+type=["\']application/smil\+xml',
253 webpage, 'smil url', group='url')
254 path = self._search_regex(
255 r'link\.theplatform\.com/s/((?:[^/?#&]+/)+[^/?#&]+)', smil_url, 'path')
256 smil_url += '?' if '?' not in smil_url else '&' + 'formats=m3u,mpeg4'
257 elif mobj.group('config'):
258 config_url = url + '&form=json'
259 config_url = config_url.replace('swf/', 'config/')
260 config_url = config_url.replace('onsite/', 'onsite/config/')
261 config = self._download_json(config_url, video_id, 'Downloading config')
262 if 'releaseUrl' in config:
263 release_url = config['releaseUrl']
264 else:
265 release_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
266 smil_url = release_url + '&formats=MPEG4&manifest=f4m'
267 else:
268 smil_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
269
270 sig = smuggled_data.get('sig')
271 if sig:
272 smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])
273
274 formats, subtitles = self._extract_theplatform_smil(smil_url, video_id)
275 self._sort_formats(formats)
276
277 ret = self._extract_theplatform_metadata(path, video_id)
278 combined_subtitles = self._merge_subtitles(ret.get('subtitles', {}), subtitles)
279 ret.update({
280 'id': video_id,
281 'formats': formats,
282 'subtitles': combined_subtitles,
283 })
284
285 return ret
286
287
288 class ThePlatformFeedIE(ThePlatformBaseIE):
289 _URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&%s'
290 _VALID_URL = r'https?://feed\.theplatform\.com/f/(?P<provider_id>[^/]+)/(?P<feed_id>[^?/]+)\?(?:[^&]+&)*(?P<filter>by(?:Gui|I)d=(?P<id>[\w-]+))'
291 _TESTS = [{
292 # From http://player.theplatform.com/p/7wvmTC/MSNBCEmbeddedOffSite?guid=n_hardball_5biden_140207
293 'url': 'http://feed.theplatform.com/f/7wvmTC/msnbc_video-p-test?form=json&pretty=true&range=-40&byGuid=n_hardball_5biden_140207',
294 'md5': '6e32495b5073ab414471b615c5ded394',
295 'info_dict': {
296 'id': 'n_hardball_5biden_140207',
297 'ext': 'mp4',
298 'title': 'The Biden factor: will Joe run in 2016?',
299 'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.',
300 'thumbnail': r're:^https?://.*\.jpg$',
301 'upload_date': '20140208',
302 'timestamp': 1391824260,
303 'duration': 467.0,
304 'categories': ['MSNBC/Issues/Democrats', 'MSNBC/Issues/Elections/Election 2016'],
305 'uploader': 'NBCU-NEWS',
306 },
307 }]
308
309 def _extract_feed_info(self, provider_id, feed_id, filter_query, video_id, custom_fields=None, asset_types_query={}):
310 real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, filter_query)
311 entry = self._download_json(real_url, video_id)['entries'][0]
312
313 formats = []
314 subtitles = {}
315 first_video_id = None
316 duration = None
317 asset_types = []
318 for item in entry['media$content']:
319 smil_url = item['plfile$url']
320 cur_video_id = ThePlatformIE._match_id(smil_url)
321 if first_video_id is None:
322 first_video_id = cur_video_id
323 duration = float_or_none(item.get('plfile$duration'))
324 for asset_type in item['plfile$assetTypes']:
325 if asset_type in asset_types:
326 continue
327 asset_types.append(asset_type)
328 query = {
329 'mbr': 'true',
330 'formats': item['plfile$format'],
331 'assetTypes': asset_type,
332 }
333 if asset_type in asset_types_query:
334 query.update(asset_types_query[asset_type])
335 cur_formats, cur_subtitles = self._extract_theplatform_smil(update_url_query(
336 smil_url, query), video_id, 'Downloading SMIL data for %s' % asset_type)
337 formats.extend(cur_formats)
338 subtitles = self._merge_subtitles(subtitles, cur_subtitles)
339
340 self._sort_formats(formats)
341
342 thumbnails = [{
343 'url': thumbnail['plfile$url'],
344 'width': int_or_none(thumbnail.get('plfile$width')),
345 'height': int_or_none(thumbnail.get('plfile$height')),
346 } for thumbnail in entry.get('media$thumbnails', [])]
347
348 timestamp = int_or_none(entry.get('media$availableDate'), scale=1000)
349 categories = [item['media$name'] for item in entry.get('media$categories', [])]
350
351 ret = self._extract_theplatform_metadata('%s/%s' % (provider_id, first_video_id), video_id)
352 subtitles = self._merge_subtitles(subtitles, ret['subtitles'])
353 ret.update({
354 'id': video_id,
355 'formats': formats,
356 'subtitles': subtitles,
357 'thumbnails': thumbnails,
358 'duration': duration,
359 'timestamp': timestamp,
360 'categories': categories,
361 })
362 if custom_fields:
363 ret.update(custom_fields(entry))
364
365 return ret
366
367 def _real_extract(self, url):
368 mobj = re.match(self._VALID_URL, url)
369
370 video_id = mobj.group('id')
371 provider_id = mobj.group('provider_id')
372 feed_id = mobj.group('feed_id')
373 filter_query = mobj.group('filter')
374
375 return self._extract_feed_info(provider_id, feed_id, filter_query, video_id)