]> Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/extractor/theplatform.py
93d8715716d00be7e15c53afbe804a3703b38e68
[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 .common import InfoExtractor
12 from ..compat import (
13 compat_parse_qs,
14 compat_urllib_parse_urlparse,
15 )
16 from ..utils import (
17 determine_ext,
18 ExtractorError,
19 float_or_none,
20 int_or_none,
21 sanitized_Request,
22 unsmuggle_url,
23 xpath_with_ns,
24 mimetype2ext,
25 )
26
27 default_ns = 'http://www.w3.org/2005/SMIL21/Language'
28 _x = lambda p: xpath_with_ns(p, {'smil': default_ns})
29
30
31 class ThePlatformBaseIE(InfoExtractor):
32 def _extract_theplatform_smil(self, smil_url, video_id, note='Downloading SMIL data'):
33 meta = self._download_xml(smil_url, video_id, note=note)
34 try:
35 error_msg = next(
36 n.attrib['abstract']
37 for n in meta.findall(_x('.//smil:ref'))
38 if n.attrib.get('title') == 'Geographic Restriction' or n.attrib.get('title') == 'Expired')
39 except StopIteration:
40 pass
41 else:
42 raise ExtractorError(error_msg, expected=True)
43
44 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 for _format in formats:
52 ext = determine_ext(_format['url'])
53 if ext == 'once':
54 _format['ext'] = 'mp4'
55
56 self._sort_formats(formats)
57
58 subtitles = self._parse_smil_subtitles(meta, default_ns)
59
60 return formats, subtitles
61
62 def get_metadata(self, path, video_id):
63 info_url = 'http://link.theplatform.com/s/%s?format=preview' % path
64 info = self._download_json(info_url, video_id)
65
66 subtitles = {}
67 captions = info.get('captions')
68 if isinstance(captions, list):
69 for caption in captions:
70 lang, src, mime = caption.get('lang', 'en'), caption.get('src'), caption.get('type')
71 subtitles[lang] = [{
72 'ext': mimetype2ext(mime),
73 'url': src,
74 }]
75
76 return {
77 'title': info['title'],
78 'subtitles': subtitles,
79 'description': info['description'],
80 'thumbnail': info['defaultThumbnailUrl'],
81 'duration': int_or_none(info.get('duration'), 1000),
82 }
83
84
85 class ThePlatformIE(ThePlatformBaseIE):
86 _VALID_URL = r'''(?x)
87 (?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P<provider_id>[^/]+)/
88 (?:(?P<media>(?:(?:[^/]+/)+select/)?media/)|(?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/))?
89 |theplatform:)(?P<id>[^/\?&]+)'''
90
91 _TESTS = [{
92 # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
93 'url': 'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
94 'info_dict': {
95 'id': 'e9I_cZgTgIPd',
96 'ext': 'flv',
97 'title': 'Blackberry\'s big, bold Z30',
98 'description': 'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
99 'duration': 247,
100 },
101 'params': {
102 # rtmp download
103 'skip_download': True,
104 },
105 }, {
106 # from http://www.cnet.com/videos/tesla-model-s-a-second-step-towards-a-cleaner-motoring-future/
107 'url': 'http://link.theplatform.com/s/kYEXFC/22d_qsQ6MIRT',
108 'info_dict': {
109 'id': '22d_qsQ6MIRT',
110 'ext': 'flv',
111 'description': 'md5:ac330c9258c04f9d7512cf26b9595409',
112 'title': 'Tesla Model S: A second step towards a cleaner motoring future',
113 },
114 'params': {
115 # rtmp download
116 'skip_download': True,
117 }
118 }, {
119 'url': 'https://player.theplatform.com/p/D6x-PC/pulse_preview/embed/select/media/yMBg9E8KFxZD',
120 'info_dict': {
121 'id': 'yMBg9E8KFxZD',
122 'ext': 'mp4',
123 'description': 'md5:644ad9188d655b742f942bf2e06b002d',
124 'title': 'HIGHLIGHTS: USA bag first ever series Cup win',
125 }
126 }, {
127 'url': 'http://player.theplatform.com/p/NnzsPC/widget/select/media/4Y0TlYUr_ZT7',
128 'only_matching': True,
129 }, {
130 'url': 'http://player.theplatform.com/p/2E2eJC/nbcNewsOffsite?guid=tdy_or_siri_150701',
131 'md5': '734f3790fb5fc4903da391beeebc4836',
132 'info_dict': {
133 'id': 'tdy_or_siri_150701',
134 'ext': 'mp4',
135 'title': 'iPhone Siri’s sassy response to a math question has people talking',
136 'description': 'md5:a565d1deadd5086f3331d57298ec6333',
137 'duration': 83.0,
138 'thumbnail': 're:^https?://.*\.jpg$',
139 'timestamp': 1435752600,
140 'upload_date': '20150701',
141 'categories': ['Today/Shows/Orange Room', 'Today/Sections/Money', 'Today/Topics/Tech', "Today/Topics/Editor's picks"],
142 },
143 }, {
144 # From http://www.nbc.com/the-blacklist/video/sir-crispin-crandall/2928790?onid=137781#vc137781=1
145 # geo-restricted (US), HLS encrypted with AES-128
146 'url': 'http://player.theplatform.com/p/NnzsPC/onsite_universal/select/media/guid/2410887629/2928790?fwsitesection=nbc_the_blacklist_video_library&autoPlay=true&carouselID=137781',
147 'only_matching': True,
148 }]
149
150 @staticmethod
151 def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
152 flags = '10' if include_qs else '00'
153 expiration_date = '%x' % (int(time.time()) + life)
154
155 def str_to_hex(str):
156 return binascii.b2a_hex(str.encode('ascii')).decode('ascii')
157
158 def hex_to_str(hex):
159 return binascii.a2b_hex(hex)
160
161 relative_path = url.split('http://link.theplatform.com/s/')[1].split('?')[0]
162 clear_text = hex_to_str(flags + expiration_date + str_to_hex(relative_path))
163 checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
164 sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
165 return '%s&sig=%s' % (url, sig)
166
167 def _real_extract(self, url):
168 url, smuggled_data = unsmuggle_url(url, {})
169
170 mobj = re.match(self._VALID_URL, url)
171 provider_id = mobj.group('provider_id')
172 video_id = mobj.group('id')
173
174 if not provider_id:
175 provider_id = 'dJ5BDC'
176
177 path = provider_id
178 if mobj.group('media'):
179 path += '/media'
180 path += '/' + video_id
181
182 qs_dict = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
183 if 'guid' in qs_dict:
184 webpage = self._download_webpage(url, video_id)
185 scripts = re.findall(r'<script[^>]+src="([^"]+)"', webpage)
186 feed_id = None
187 # feed id usually locates in the last script.
188 # Seems there's no pattern for the interested script filename, so
189 # I try one by one
190 for script in reversed(scripts):
191 feed_script = self._download_webpage(
192 self._proto_relative_url(script, 'http:'),
193 video_id, 'Downloading feed script')
194 feed_id = self._search_regex(
195 r'defaultFeedId\s*:\s*"([^"]+)"', feed_script,
196 'default feed id', default=None)
197 if feed_id is not None:
198 break
199 if feed_id is None:
200 raise ExtractorError('Unable to find feed id')
201 return self.url_result('http://feed.theplatform.com/f/%s/%s?byGuid=%s' % (
202 provider_id, feed_id, qs_dict['guid'][0]))
203
204 if smuggled_data.get('force_smil_url', False):
205 smil_url = url
206 # Explicitly specified SMIL (see https://github.com/rg3/youtube-dl/issues/7385)
207 elif '/guid/' in url:
208 headers = {}
209 source_url = smuggled_data.get('source_url')
210 if source_url:
211 headers['Referer'] = source_url
212 request = sanitized_Request(url, headers=headers)
213 webpage = self._download_webpage(request, video_id)
214 smil_url = self._search_regex(
215 r'<link[^>]+href=(["\'])(?P<url>.+?)\1[^>]+type=["\']application/smil\+xml',
216 webpage, 'smil url', group='url')
217 path = self._search_regex(
218 r'link\.theplatform\.com/s/((?:[^/?#&]+/)+[^/?#&]+)', smil_url, 'path')
219 smil_url += '?' if '?' not in smil_url else '&' + 'formats=m3u,mpeg4&format=SMIL'
220 elif mobj.group('config'):
221 config_url = url + '&form=json'
222 config_url = config_url.replace('swf/', 'config/')
223 config_url = config_url.replace('onsite/', 'onsite/config/')
224 config = self._download_json(config_url, video_id, 'Downloading config')
225 if 'releaseUrl' in config:
226 release_url = config['releaseUrl']
227 else:
228 release_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
229 smil_url = release_url + '&format=SMIL&formats=MPEG4&manifest=f4m'
230 else:
231 smil_url = 'http://link.theplatform.com/s/%s/meta.smil?format=smil&mbr=true' % path
232
233 sig = smuggled_data.get('sig')
234 if sig:
235 smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])
236
237 formats, subtitles = self._extract_theplatform_smil(smil_url, video_id)
238
239 ret = self.get_metadata(path, video_id)
240 combined_subtitles = self._merge_subtitles(ret.get('subtitles', {}), subtitles)
241 ret.update({
242 'id': video_id,
243 'formats': formats,
244 'subtitles': combined_subtitles,
245 })
246
247 return ret
248
249
250 class ThePlatformFeedIE(ThePlatformBaseIE):
251 _URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&byGuid=%s'
252 _VALID_URL = r'https?://feed\.theplatform\.com/f/(?P<provider_id>[^/]+)/(?P<feed_id>[^?/]+)\?(?:[^&]+&)*byGuid=(?P<id>[a-zA-Z0-9_]+)'
253 _TEST = {
254 # From http://player.theplatform.com/p/7wvmTC/MSNBCEmbeddedOffSite?guid=n_hardball_5biden_140207
255 'url': 'http://feed.theplatform.com/f/7wvmTC/msnbc_video-p-test?form=json&pretty=true&range=-40&byGuid=n_hardball_5biden_140207',
256 'md5': '22d2b84f058d3586efcd99e57d59d314',
257 'info_dict': {
258 'id': 'n_hardball_5biden_140207',
259 'ext': 'mp4',
260 'title': 'The Biden factor: will Joe run in 2016?',
261 'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.',
262 'thumbnail': 're:^https?://.*\.jpg$',
263 'upload_date': '20140208',
264 'timestamp': 1391824260,
265 'duration': 467.0,
266 'categories': ['MSNBC/Issues/Democrats', 'MSNBC/Issues/Elections/Election 2016'],
267 },
268 }
269
270 def _real_extract(self, url):
271 mobj = re.match(self._VALID_URL, url)
272
273 video_id = mobj.group('id')
274 provider_id = mobj.group('provider_id')
275 feed_id = mobj.group('feed_id')
276
277 real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, video_id)
278 feed = self._download_json(real_url, video_id)
279 entry = feed['entries'][0]
280
281 formats = []
282 subtitles = {}
283 first_video_id = None
284 duration = None
285 for item in entry['media$content']:
286 smil_url = item['plfile$url'] + '&format=SMIL&mbr=true'
287 cur_video_id = ThePlatformIE._match_id(smil_url)
288 if first_video_id is None:
289 first_video_id = cur_video_id
290 duration = float_or_none(item.get('plfile$duration'))
291 cur_formats, cur_subtitles = self._extract_theplatform_smil(smil_url, video_id, 'Downloading SMIL data for %s' % cur_video_id)
292 formats.extend(cur_formats)
293 subtitles = self._merge_subtitles(subtitles, cur_subtitles)
294
295 self._sort_formats(formats)
296
297 thumbnails = [{
298 'url': thumbnail['plfile$url'],
299 'width': int_or_none(thumbnail.get('plfile$width')),
300 'height': int_or_none(thumbnail.get('plfile$height')),
301 } for thumbnail in entry.get('media$thumbnails', [])]
302
303 timestamp = int_or_none(entry.get('media$availableDate'), scale=1000)
304 categories = [item['media$name'] for item in entry.get('media$categories', [])]
305
306 ret = self.get_metadata('%s/%s' % (provider_id, first_video_id), video_id)
307 subtitles = self._merge_subtitles(subtitles, ret['subtitles'])
308 ret.update({
309 'id': video_id,
310 'formats': formats,
311 'subtitles': subtitles,
312 'thumbnails': thumbnails,
313 'duration': duration,
314 'timestamp': timestamp,
315 'categories': categories,
316 })
317
318 return ret