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[youtubedl] / youtube_dl / extractor / nexx.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import hashlib
5 import random
6 import re
7 import time
8
9 from .common import InfoExtractor
10 from ..compat import compat_str
11 from ..utils import (
12 ExtractorError,
13 int_or_none,
14 parse_duration,
15 try_get,
16 urlencode_postdata,
17 )
18
19
20 class NexxIE(InfoExtractor):
21 _VALID_URL = r'''(?x)
22 (?:
23 https?://api\.nexx(?:\.cloud|cdn\.com)/v3/(?P<domain_id>\d+)/videos/byid/|
24 nexx:(?:(?P<domain_id_s>\d+):)?|
25 https?://arc\.nexx\.cloud/api/video/
26 )
27 (?P<id>\d+)
28 '''
29 _TESTS = [{
30 # movie
31 'url': 'https://api.nexx.cloud/v3/748/videos/byid/128907',
32 'md5': '31899fd683de49ad46f4ee67e53e83fe',
33 'info_dict': {
34 'id': '128907',
35 'ext': 'mp4',
36 'title': 'Stiftung Warentest',
37 'alt_title': 'Wie ein Test abläuft',
38 'description': 'md5:d1ddb1ef63de721132abd38639cc2fd2',
39 'creator': 'SPIEGEL TV',
40 'thumbnail': r're:^https?://.*\.jpg$',
41 'duration': 2509,
42 'timestamp': 1384264416,
43 'upload_date': '20131112',
44 },
45 }, {
46 # episode
47 'url': 'https://api.nexx.cloud/v3/741/videos/byid/247858',
48 'info_dict': {
49 'id': '247858',
50 'ext': 'mp4',
51 'title': 'Return of the Golden Child (OV)',
52 'description': 'md5:5d969537509a92b733de21bae249dc63',
53 'release_year': 2017,
54 'thumbnail': r're:^https?://.*\.jpg$',
55 'duration': 1397,
56 'timestamp': 1495033267,
57 'upload_date': '20170517',
58 'episode_number': 2,
59 'season_number': 2,
60 },
61 'params': {
62 'skip_download': True,
63 },
64 'skip': 'HTTP Error 404: Not Found',
65 }, {
66 # does not work via arc
67 'url': 'nexx:741:1269984',
68 'md5': 'c714b5b238b2958dc8d5642addba6886',
69 'info_dict': {
70 'id': '1269984',
71 'ext': 'mp4',
72 'title': '1 TAG ohne KLO... wortwörtlich! 😑',
73 'alt_title': '1 TAG ohne KLO... wortwörtlich! 😑',
74 'thumbnail': r're:^https?://.*\.jpg$',
75 'duration': 607,
76 'timestamp': 1518614955,
77 'upload_date': '20180214',
78 },
79 }, {
80 # free cdn from http://www.spiegel.de/video/eifel-zoo-aufregung-um-ausgebrochene-raubtiere-video-99018031.html
81 'url': 'nexx:747:1533779',
82 'md5': '6bf6883912b82b7069fb86c2297e9893',
83 'info_dict': {
84 'id': '1533779',
85 'ext': 'mp4',
86 'title': 'Aufregung um ausgebrochene Raubtiere',
87 'alt_title': 'Eifel-Zoo',
88 'description': 'md5:f21375c91c74ad741dcb164c427999d2',
89 'thumbnail': r're:^https?://.*\.jpg$',
90 'duration': 111,
91 'timestamp': 1527874460,
92 'upload_date': '20180601',
93 },
94 }, {
95 'url': 'https://api.nexxcdn.com/v3/748/videos/byid/128907',
96 'only_matching': True,
97 }, {
98 'url': 'nexx:748:128907',
99 'only_matching': True,
100 }, {
101 'url': 'nexx:128907',
102 'only_matching': True,
103 }, {
104 'url': 'https://arc.nexx.cloud/api/video/128907.json',
105 'only_matching': True,
106 }]
107
108 @staticmethod
109 def _extract_domain_id(webpage):
110 mobj = re.search(
111 r'<script\b[^>]+\bsrc=["\'](?:https?:)?//require\.nexx(?:\.cloud|cdn\.com)/(?P<id>\d+)',
112 webpage)
113 return mobj.group('id') if mobj else None
114
115 @staticmethod
116 def _extract_urls(webpage):
117 # Reference:
118 # 1. https://nx-s.akamaized.net/files/201510/44.pdf
119
120 entries = []
121
122 # JavaScript Integration
123 domain_id = NexxIE._extract_domain_id(webpage)
124 if domain_id:
125 for video_id in re.findall(
126 r'(?is)onPLAYReady.+?_play\.init\s*\(.+?\s*,\s*["\']?(\d+)',
127 webpage):
128 entries.append(
129 'https://api.nexx.cloud/v3/%s/videos/byid/%s'
130 % (domain_id, video_id))
131
132 # TODO: support more embed formats
133
134 return entries
135
136 @staticmethod
137 def _extract_url(webpage):
138 return NexxIE._extract_urls(webpage)[0]
139
140 def _handle_error(self, response):
141 status = int_or_none(try_get(
142 response, lambda x: x['metadata']['status']) or 200)
143 if 200 <= status < 300:
144 return
145 raise ExtractorError(
146 '%s said: %s' % (self.IE_NAME, response['metadata']['errorhint']),
147 expected=True)
148
149 def _call_api(self, domain_id, path, video_id, data=None, headers={}):
150 headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
151 result = self._download_json(
152 'https://api.nexx.cloud/v3/%s/%s' % (domain_id, path), video_id,
153 'Downloading %s JSON' % path, data=urlencode_postdata(data),
154 headers=headers)
155 self._handle_error(result)
156 return result['result']
157
158 def _extract_free_formats(self, video, video_id):
159 stream_data = video['streamdata']
160 cdn = stream_data['cdnType']
161 assert cdn == 'free'
162
163 hash = video['general']['hash']
164
165 ps = compat_str(stream_data['originalDomain'])
166 if stream_data['applyFolderHierarchy'] == 1:
167 s = ('%04d' % int(video_id))[::-1]
168 ps += '/%s/%s' % (s[0:2], s[2:4])
169 ps += '/%s/%s_' % (video_id, hash)
170
171 t = 'http://%s' + ps
172 fd = stream_data['azureFileDistribution'].split(',')
173 cdn_provider = stream_data['cdnProvider']
174
175 def p0(p):
176 return '_%s' % p if stream_data['applyAzureStructure'] == 1 else ''
177
178 formats = []
179 if cdn_provider == 'ak':
180 t += ','
181 for i in fd:
182 p = i.split(':')
183 t += p[1] + p0(int(p[0])) + ','
184 t += '.mp4.csmil/master.%s'
185 elif cdn_provider == 'ce':
186 k = t.split('/')
187 h = k.pop()
188 http_base = t = '/'.join(k)
189 http_base = http_base % stream_data['cdnPathHTTP']
190 t += '/asset.ism/manifest.%s?dcp_ver=aos4&videostream='
191 for i in fd:
192 p = i.split(':')
193 tbr = int(p[0])
194 filename = '%s%s%s.mp4' % (h, p[1], p0(tbr))
195 f = {
196 'url': http_base + '/' + filename,
197 'format_id': '%s-http-%d' % (cdn, tbr),
198 'tbr': tbr,
199 }
200 width_height = p[1].split('x')
201 if len(width_height) == 2:
202 f.update({
203 'width': int_or_none(width_height[0]),
204 'height': int_or_none(width_height[1]),
205 })
206 formats.append(f)
207 a = filename + ':%s' % (tbr * 1000)
208 t += a + ','
209 t = t[:-1] + '&audiostream=' + a.split(':')[0]
210 else:
211 assert False
212
213 if cdn_provider == 'ce':
214 formats.extend(self._extract_mpd_formats(
215 t % (stream_data['cdnPathDASH'], 'mpd'), video_id,
216 mpd_id='%s-dash' % cdn, fatal=False))
217 formats.extend(self._extract_m3u8_formats(
218 t % (stream_data['cdnPathHLS'], 'm3u8'), video_id, 'mp4',
219 entry_protocol='m3u8_native', m3u8_id='%s-hls' % cdn, fatal=False))
220
221 return formats
222
223 def _extract_azure_formats(self, video, video_id):
224 stream_data = video['streamdata']
225 cdn = stream_data['cdnType']
226 assert cdn == 'azure'
227
228 azure_locator = stream_data['azureLocator']
229
230 def get_cdn_shield_base(shield_type='', static=False):
231 for secure in ('', 's'):
232 cdn_shield = stream_data.get('cdnShield%sHTTP%s' % (shield_type, secure.upper()))
233 if cdn_shield:
234 return 'http%s://%s' % (secure, cdn_shield)
235 else:
236 if 'fb' in stream_data['azureAccount']:
237 prefix = 'df' if static else 'f'
238 else:
239 prefix = 'd' if static else 'p'
240 account = int(stream_data['azureAccount'].replace('nexxplayplus', '').replace('nexxplayfb', ''))
241 return 'http://nx-%s%02d.akamaized.net/' % (prefix, account)
242
243 language = video['general'].get('language_raw') or ''
244
245 azure_stream_base = get_cdn_shield_base()
246 is_ml = ',' in language
247 azure_manifest_url = '%s%s/%s_src%s.ism/Manifest' % (
248 azure_stream_base, azure_locator, video_id, ('_manifest' if is_ml else '')) + '%s'
249
250 protection_token = try_get(
251 video, lambda x: x['protectiondata']['token'], compat_str)
252 if protection_token:
253 azure_manifest_url += '?hdnts=%s' % protection_token
254
255 formats = self._extract_m3u8_formats(
256 azure_manifest_url % '(format=m3u8-aapl)',
257 video_id, 'mp4', 'm3u8_native',
258 m3u8_id='%s-hls' % cdn, fatal=False)
259 formats.extend(self._extract_mpd_formats(
260 azure_manifest_url % '(format=mpd-time-csf)',
261 video_id, mpd_id='%s-dash' % cdn, fatal=False))
262 formats.extend(self._extract_ism_formats(
263 azure_manifest_url % '', video_id, ism_id='%s-mss' % cdn, fatal=False))
264
265 azure_progressive_base = get_cdn_shield_base('Prog', True)
266 azure_file_distribution = stream_data.get('azureFileDistribution')
267 if azure_file_distribution:
268 fds = azure_file_distribution.split(',')
269 if fds:
270 for fd in fds:
271 ss = fd.split(':')
272 if len(ss) == 2:
273 tbr = int_or_none(ss[0])
274 if tbr:
275 f = {
276 'url': '%s%s/%s_src_%s_%d.mp4' % (
277 azure_progressive_base, azure_locator, video_id, ss[1], tbr),
278 'format_id': '%s-http-%d' % (cdn, tbr),
279 'tbr': tbr,
280 }
281 width_height = ss[1].split('x')
282 if len(width_height) == 2:
283 f.update({
284 'width': int_or_none(width_height[0]),
285 'height': int_or_none(width_height[1]),
286 })
287 formats.append(f)
288
289 return formats
290
291 def _real_extract(self, url):
292 mobj = re.match(self._VALID_URL, url)
293 domain_id = mobj.group('domain_id') or mobj.group('domain_id_s')
294 video_id = mobj.group('id')
295
296 video = None
297
298 response = self._download_json(
299 'https://arc.nexx.cloud/api/video/%s.json' % video_id,
300 video_id, fatal=False)
301 if response and isinstance(response, dict):
302 result = response.get('result')
303 if result and isinstance(result, dict):
304 video = result
305
306 # not all videos work via arc, e.g. nexx:741:1269984
307 if not video:
308 # Reverse engineered from JS code (see getDeviceID function)
309 device_id = '%d:%d:%d%d' % (
310 random.randint(1, 4), int(time.time()),
311 random.randint(1e4, 99999), random.randint(1, 9))
312
313 result = self._call_api(domain_id, 'session/init', video_id, data={
314 'nxp_devh': device_id,
315 'nxp_userh': '',
316 'precid': '0',
317 'playlicense': '0',
318 'screenx': '1920',
319 'screeny': '1080',
320 'playerversion': '6.0.00',
321 'gateway': 'html5',
322 'adGateway': '',
323 'explicitlanguage': 'en-US',
324 'addTextTemplates': '1',
325 'addDomainData': '1',
326 'addAdModel': '1',
327 }, headers={
328 'X-Request-Enable-Auth-Fallback': '1',
329 })
330
331 cid = result['general']['cid']
332
333 # As described in [1] X-Request-Token generation algorithm is
334 # as follows:
335 # md5( operation + domain_id + domain_secret )
336 # where domain_secret is a static value that will be given by nexx.tv
337 # as per [1]. Here is how this "secret" is generated (reversed
338 # from _play.api.init function, search for clienttoken). So it's
339 # actually not static and not that much of a secret.
340 # 1. https://nexxtvstorage.blob.core.windows.net/files/201610/27.pdf
341 secret = result['device']['clienttoken'][int(device_id[0]):]
342 secret = secret[0:len(secret) - int(device_id[-1])]
343
344 op = 'byid'
345
346 # Reversed from JS code for _play.api.call function (search for
347 # X-Request-Token)
348 request_token = hashlib.md5(
349 ''.join((op, domain_id, secret)).encode('utf-8')).hexdigest()
350
351 video = self._call_api(
352 domain_id, 'videos/%s/%s' % (op, video_id), video_id, data={
353 'additionalfields': 'language,channel,actors,studio,licenseby,slug,subtitle,teaser,description',
354 'addInteractionOptions': '1',
355 'addStatusDetails': '1',
356 'addStreamDetails': '1',
357 'addCaptions': '1',
358 'addScenes': '1',
359 'addHotSpots': '1',
360 'addBumpers': '1',
361 'captionFormat': 'data',
362 }, headers={
363 'X-Request-CID': cid,
364 'X-Request-Token': request_token,
365 })
366
367 general = video['general']
368 title = general['title']
369
370 cdn = video['streamdata']['cdnType']
371
372 if cdn == 'azure':
373 formats = self._extract_azure_formats(video, video_id)
374 elif cdn == 'free':
375 formats = self._extract_free_formats(video, video_id)
376 else:
377 # TODO: reverse more cdns
378 assert False
379
380 self._sort_formats(formats)
381
382 return {
383 'id': video_id,
384 'title': title,
385 'alt_title': general.get('subtitle'),
386 'description': general.get('description'),
387 'release_year': int_or_none(general.get('year')),
388 'creator': general.get('studio') or general.get('studio_adref'),
389 'thumbnail': try_get(
390 video, lambda x: x['imagedata']['thumb'], compat_str),
391 'duration': parse_duration(general.get('runtime')),
392 'timestamp': int_or_none(general.get('uploaded')),
393 'episode_number': int_or_none(try_get(
394 video, lambda x: x['episodedata']['episode'])),
395 'season_number': int_or_none(try_get(
396 video, lambda x: x['episodedata']['season'])),
397 'formats': formats,
398 }
399
400
401 class NexxEmbedIE(InfoExtractor):
402 _VALID_URL = r'https?://embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?P<id>[^/?#&]+)'
403 _TEST = {
404 'url': 'http://embed.nexx.cloud/748/KC1614647Z27Y7T?autoplay=1',
405 'md5': '16746bfc28c42049492385c989b26c4a',
406 'info_dict': {
407 'id': '161464',
408 'ext': 'mp4',
409 'title': 'Nervenkitzel Achterbahn',
410 'alt_title': 'Karussellbauer in Deutschland',
411 'description': 'md5:ffe7b1cc59a01f585e0569949aef73cc',
412 'release_year': 2005,
413 'creator': 'SPIEGEL TV',
414 'thumbnail': r're:^https?://.*\.jpg$',
415 'duration': 2761,
416 'timestamp': 1394021479,
417 'upload_date': '20140305',
418 },
419 'params': {
420 'format': 'bestvideo',
421 'skip_download': True,
422 },
423 }
424
425 @staticmethod
426 def _extract_urls(webpage):
427 # Reference:
428 # 1. https://nx-s.akamaized.net/files/201510/44.pdf
429
430 # iFrame Embed Integration
431 return [mobj.group('url') for mobj in re.finditer(
432 r'<iframe[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?:(?!\1).)+)\1',
433 webpage)]
434
435 def _real_extract(self, url):
436 embed_id = self._match_id(url)
437
438 webpage = self._download_webpage(url, embed_id)
439
440 return self.url_result(NexxIE._extract_url(webpage), ie=NexxIE.ie_key())