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[youtube-dl] / youtube_dl / extractor / twitch.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import itertools
5 import re
6 import random
7
8 from .common import InfoExtractor
9 from ..compat import (
10     compat_parse_qs,
11     compat_str,
12     compat_urllib_parse,
13     compat_urllib_parse_urlparse,
14     compat_urllib_request,
15     compat_urlparse,
16 )
17 from ..utils import (
18     encode_dict,
19     ExtractorError,
20     int_or_none,
21     parse_duration,
22     parse_iso8601,
23 )
24
25
26 class TwitchBaseIE(InfoExtractor):
27     _VALID_URL_BASE = r'https?://(?:www\.)?twitch\.tv'
28
29     _API_BASE = 'https://api.twitch.tv'
30     _USHER_BASE = 'http://usher.twitch.tv'
31     _LOGIN_URL = 'http://www.twitch.tv/login'
32     _NETRC_MACHINE = 'twitch'
33
34     def _handle_error(self, response):
35         if not isinstance(response, dict):
36             return
37         error = response.get('error')
38         if error:
39             raise ExtractorError(
40                 '%s returned error: %s - %s' % (self.IE_NAME, error, response.get('message')),
41                 expected=True)
42
43     def _download_json(self, url, video_id, note='Downloading JSON metadata'):
44         headers = {
45             'Referer': 'http://api.twitch.tv/crossdomain/receiver.html?v=2',
46             'X-Requested-With': 'XMLHttpRequest',
47         }
48         for cookie in self._downloader.cookiejar:
49             if cookie.name == 'api_token':
50                 headers['Twitch-Api-Token'] = cookie.value
51         request = compat_urllib_request.Request(url, headers=headers)
52         response = super(TwitchBaseIE, self)._download_json(request, video_id, note)
53         self._handle_error(response)
54         return response
55
56     def _real_initialize(self):
57         self._login()
58
59     def _login(self):
60         (username, password) = self._get_login_info()
61         if username is None:
62             return
63
64         login_page, handle = self._download_webpage_handle(
65             self._LOGIN_URL, None, 'Downloading login page')
66
67         login_form = self._hidden_inputs(login_page)
68
69         login_form.update({
70             'username': username,
71             'password': password,
72         })
73
74         redirect_url = handle.geturl()
75
76         post_url = self._search_regex(
77             r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page,
78             'post url', default=redirect_url, group='url')
79
80         if not post_url.startswith('http'):
81             post_url = compat_urlparse.urljoin(redirect_url, post_url)
82
83         request = compat_urllib_request.Request(
84             post_url, compat_urllib_parse.urlencode(encode_dict(login_form)).encode('utf-8'))
85         request.add_header('Referer', redirect_url)
86         response = self._download_webpage(
87             request, None, 'Logging in as %s' % username)
88
89         error_message = self._search_regex(
90             r'<div[^>]+class="subwindow_notice"[^>]*>([^<]+)</div>',
91             response, 'error message', default=None)
92         if error_message:
93             raise ExtractorError(
94                 'Unable to login. Twitch said: %s' % error_message, expected=True)
95
96         if '>Reset your password<' in response:
97             self.report_warning('Twitch asks you to reset your password, go to https://secure.twitch.tv/reset/submit')
98
99     def _prefer_source(self, formats):
100         try:
101             source = next(f for f in formats if f['format_id'] == 'Source')
102             source['preference'] = 10
103         except StopIteration:
104             pass  # No Source stream present
105         self._sort_formats(formats)
106
107
108 class TwitchItemBaseIE(TwitchBaseIE):
109     def _download_info(self, item, item_id):
110         return self._extract_info(self._download_json(
111             '%s/kraken/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
112             'Downloading %s info JSON' % self._ITEM_TYPE))
113
114     def _extract_media(self, item_id):
115         info = self._download_info(self._ITEM_SHORTCUT, item_id)
116         response = self._download_json(
117             '%s/api/videos/%s%s' % (self._API_BASE, self._ITEM_SHORTCUT, item_id), item_id,
118             'Downloading %s playlist JSON' % self._ITEM_TYPE)
119         entries = []
120         chunks = response['chunks']
121         qualities = list(chunks.keys())
122         for num, fragment in enumerate(zip(*chunks.values()), start=1):
123             formats = []
124             for fmt_num, fragment_fmt in enumerate(fragment):
125                 format_id = qualities[fmt_num]
126                 fmt = {
127                     'url': fragment_fmt['url'],
128                     'format_id': format_id,
129                     'quality': 1 if format_id == 'live' else 0,
130                 }
131                 m = re.search(r'^(?P<height>\d+)[Pp]', format_id)
132                 if m:
133                     fmt['height'] = int(m.group('height'))
134                 formats.append(fmt)
135             self._sort_formats(formats)
136             entry = dict(info)
137             entry['id'] = '%s_%d' % (entry['id'], num)
138             entry['title'] = '%s part %d' % (entry['title'], num)
139             entry['formats'] = formats
140             entries.append(entry)
141         return self.playlist_result(entries, info['id'], info['title'])
142
143     def _extract_info(self, info):
144         return {
145             'id': info['_id'],
146             'title': info.get('title') or 'Untitled Broadcast',
147             'description': info.get('description'),
148             'duration': int_or_none(info.get('length')),
149             'thumbnail': info.get('preview'),
150             'uploader': info.get('channel', {}).get('display_name'),
151             'uploader_id': info.get('channel', {}).get('name'),
152             'timestamp': parse_iso8601(info.get('recorded_at')),
153             'view_count': int_or_none(info.get('views')),
154         }
155
156     def _real_extract(self, url):
157         return self._extract_media(self._match_id(url))
158
159
160 class TwitchVideoIE(TwitchItemBaseIE):
161     IE_NAME = 'twitch:video'
162     _VALID_URL = r'%s/[^/]+/b/(?P<id>\d+)' % TwitchBaseIE._VALID_URL_BASE
163     _ITEM_TYPE = 'video'
164     _ITEM_SHORTCUT = 'a'
165
166     _TEST = {
167         'url': 'http://www.twitch.tv/riotgames/b/577357806',
168         'info_dict': {
169             'id': 'a577357806',
170             'title': 'Worlds Semifinals - Star Horn Royal Club vs. OMG',
171         },
172         'playlist_mincount': 12,
173     }
174
175
176 class TwitchChapterIE(TwitchItemBaseIE):
177     IE_NAME = 'twitch:chapter'
178     _VALID_URL = r'%s/[^/]+/c/(?P<id>\d+)' % TwitchBaseIE._VALID_URL_BASE
179     _ITEM_TYPE = 'chapter'
180     _ITEM_SHORTCUT = 'c'
181
182     _TESTS = [{
183         'url': 'http://www.twitch.tv/acracingleague/c/5285812',
184         'info_dict': {
185             'id': 'c5285812',
186             'title': 'ACRL Off Season - Sports Cars @ Nordschleife',
187         },
188         'playlist_mincount': 3,
189     }, {
190         'url': 'http://www.twitch.tv/tsm_theoddone/c/2349361',
191         'only_matching': True,
192     }]
193
194
195 class TwitchVodIE(TwitchItemBaseIE):
196     IE_NAME = 'twitch:vod'
197     _VALID_URL = r'%s/[^/]+/v/(?P<id>\d+)' % TwitchBaseIE._VALID_URL_BASE
198     _ITEM_TYPE = 'vod'
199     _ITEM_SHORTCUT = 'v'
200
201     _TESTS = [{
202         'url': 'http://www.twitch.tv/riotgames/v/6528877?t=5m10s',
203         'info_dict': {
204             'id': 'v6528877',
205             'ext': 'mp4',
206             'title': 'LCK Summer Split - Week 6 Day 1',
207             'thumbnail': 're:^https?://.*\.jpg$',
208             'duration': 17208,
209             'timestamp': 1435131709,
210             'upload_date': '20150624',
211             'uploader': 'Riot Games',
212             'uploader_id': 'riotgames',
213             'view_count': int,
214             'start_time': 310,
215         },
216         'params': {
217             # m3u8 download
218             'skip_download': True,
219         },
220     }, {
221         # Untitled broadcast (title is None)
222         'url': 'http://www.twitch.tv/belkao_o/v/11230755',
223         'info_dict': {
224             'id': 'v11230755',
225             'ext': 'mp4',
226             'title': 'Untitled Broadcast',
227             'thumbnail': 're:^https?://.*\.jpg$',
228             'duration': 1638,
229             'timestamp': 1439746708,
230             'upload_date': '20150816',
231             'uploader': 'BelkAO_o',
232             'uploader_id': 'belkao_o',
233             'view_count': int,
234         },
235         'params': {
236             # m3u8 download
237             'skip_download': True,
238         },
239     }]
240
241     def _real_extract(self, url):
242         item_id = self._match_id(url)
243
244         info = self._download_info(self._ITEM_SHORTCUT, item_id)
245         access_token = self._download_json(
246             '%s/api/vods/%s/access_token' % (self._API_BASE, item_id), item_id,
247             'Downloading %s access token' % self._ITEM_TYPE)
248
249         formats = self._extract_m3u8_formats(
250             '%s/vod/%s?%s' % (
251                 self._USHER_BASE, item_id,
252                 compat_urllib_parse.urlencode({
253                     'allow_source': 'true',
254                     'allow_spectre': 'true',
255                     'player': 'twitchweb',
256                     'nauth': access_token['token'],
257                     'nauthsig': access_token['sig'],
258                 })),
259             item_id, 'mp4')
260
261         self._prefer_source(formats)
262         info['formats'] = formats
263
264         parsed_url = compat_urllib_parse_urlparse(url)
265         query = compat_parse_qs(parsed_url.query)
266         if 't' in query:
267             info['start_time'] = parse_duration(query['t'][0])
268
269         return info
270
271
272 class TwitchPlaylistBaseIE(TwitchBaseIE):
273     _PLAYLIST_URL = '%s/kraken/channels/%%s/videos/?offset=%%d&limit=%%d' % TwitchBaseIE._API_BASE
274     _PAGE_LIMIT = 100
275
276     def _extract_playlist(self, channel_id):
277         info = self._download_json(
278             '%s/kraken/channels/%s' % (self._API_BASE, channel_id),
279             channel_id, 'Downloading channel info JSON')
280         channel_name = info.get('display_name') or info.get('name')
281         entries = []
282         offset = 0
283         limit = self._PAGE_LIMIT
284         for counter in itertools.count(1):
285             response = self._download_json(
286                 self._PLAYLIST_URL % (channel_id, offset, limit),
287                 channel_id, 'Downloading %s videos JSON page %d' % (self._PLAYLIST_TYPE, counter))
288             page_entries = self._extract_playlist_page(response)
289             if not page_entries:
290                 break
291             entries.extend(page_entries)
292             offset += limit
293         return self.playlist_result(
294             [self.url_result(entry) for entry in set(entries)],
295             channel_id, channel_name)
296
297     def _extract_playlist_page(self, response):
298         videos = response.get('videos')
299         return [video['url'] for video in videos] if videos else []
300
301     def _real_extract(self, url):
302         return self._extract_playlist(self._match_id(url))
303
304
305 class TwitchProfileIE(TwitchPlaylistBaseIE):
306     IE_NAME = 'twitch:profile'
307     _VALID_URL = r'%s/(?P<id>[^/]+)/profile/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
308     _PLAYLIST_TYPE = 'profile'
309
310     _TEST = {
311         'url': 'http://www.twitch.tv/vanillatv/profile',
312         'info_dict': {
313             'id': 'vanillatv',
314             'title': 'VanillaTV',
315         },
316         'playlist_mincount': 412,
317     }
318
319
320 class TwitchPastBroadcastsIE(TwitchPlaylistBaseIE):
321     IE_NAME = 'twitch:past_broadcasts'
322     _VALID_URL = r'%s/(?P<id>[^/]+)/profile/past_broadcasts/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
323     _PLAYLIST_URL = TwitchPlaylistBaseIE._PLAYLIST_URL + '&broadcasts=true'
324     _PLAYLIST_TYPE = 'past broadcasts'
325
326     _TEST = {
327         'url': 'http://www.twitch.tv/spamfish/profile/past_broadcasts',
328         'info_dict': {
329             'id': 'spamfish',
330             'title': 'Spamfish',
331         },
332         'playlist_mincount': 54,
333     }
334
335
336 class TwitchBookmarksIE(TwitchPlaylistBaseIE):
337     IE_NAME = 'twitch:bookmarks'
338     _VALID_URL = r'%s/(?P<id>[^/]+)/profile/bookmarks/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
339     _PLAYLIST_URL = '%s/api/bookmark/?user=%%s&offset=%%d&limit=%%d' % TwitchBaseIE._API_BASE
340     _PLAYLIST_TYPE = 'bookmarks'
341
342     _TEST = {
343         'url': 'http://www.twitch.tv/ognos/profile/bookmarks',
344         'info_dict': {
345             'id': 'ognos',
346             'title': 'Ognos',
347         },
348         'playlist_mincount': 3,
349     }
350
351     def _extract_playlist_page(self, response):
352         entries = []
353         for bookmark in response.get('bookmarks', []):
354             video = bookmark.get('video')
355             if not video:
356                 continue
357             entries.append(video['url'])
358         return entries
359
360
361 class TwitchStreamIE(TwitchBaseIE):
362     IE_NAME = 'twitch:stream'
363     _VALID_URL = r'%s/(?P<id>[^/#?]+)/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
364
365     _TESTS = [{
366         'url': 'http://www.twitch.tv/shroomztv',
367         'info_dict': {
368             'id': '12772022048',
369             'display_id': 'shroomztv',
370             'ext': 'mp4',
371             'title': 're:^ShroomzTV [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
372             'description': 'H1Z1 - lonewolfing with ShroomzTV | A3 Battle Royale later - @ShroomzTV',
373             'is_live': True,
374             'timestamp': 1421928037,
375             'upload_date': '20150122',
376             'uploader': 'ShroomzTV',
377             'uploader_id': 'shroomztv',
378             'view_count': int,
379         },
380         'params': {
381             # m3u8 download
382             'skip_download': True,
383         },
384     }, {
385         'url': 'http://www.twitch.tv/miracle_doto#profile-0',
386         'only_matching': True,
387     }]
388
389     def _real_extract(self, url):
390         channel_id = self._match_id(url)
391
392         stream = self._download_json(
393             '%s/kraken/streams/%s' % (self._API_BASE, channel_id), channel_id,
394             'Downloading stream JSON').get('stream')
395
396         # Fallback on profile extraction if stream is offline
397         if not stream:
398             return self.url_result(
399                 'http://www.twitch.tv/%s/profile' % channel_id,
400                 'TwitchProfile', channel_id)
401
402         # Channel name may be typed if different case than the original channel name
403         # (e.g. http://www.twitch.tv/TWITCHPLAYSPOKEMON) that will lead to constructing
404         # an invalid m3u8 URL. Working around by use of original channel name from stream
405         # JSON and fallback to lowercase if it's not available.
406         channel_id = stream.get('channel', {}).get('name') or channel_id.lower()
407
408         access_token = self._download_json(
409             '%s/api/channels/%s/access_token' % (self._API_BASE, channel_id), channel_id,
410             'Downloading channel access token')
411
412         query = {
413             'allow_source': 'true',
414             'p': random.randint(1000000, 10000000),
415             'player': 'twitchweb',
416             'segment_preference': '4',
417             'sig': access_token['sig'].encode('utf-8'),
418             'token': access_token['token'].encode('utf-8'),
419         }
420         formats = self._extract_m3u8_formats(
421             '%s/api/channel/hls/%s.m3u8?%s'
422             % (self._USHER_BASE, channel_id, compat_urllib_parse.urlencode(query)),
423             channel_id, 'mp4')
424         self._prefer_source(formats)
425
426         view_count = stream.get('viewers')
427         timestamp = parse_iso8601(stream.get('created_at'))
428
429         channel = stream['channel']
430         title = self._live_title(channel.get('display_name') or channel.get('name'))
431         description = channel.get('status')
432
433         thumbnails = []
434         for thumbnail_key, thumbnail_url in stream['preview'].items():
435             m = re.search(r'(?P<width>\d+)x(?P<height>\d+)\.jpg$', thumbnail_key)
436             if not m:
437                 continue
438             thumbnails.append({
439                 'url': thumbnail_url,
440                 'width': int(m.group('width')),
441                 'height': int(m.group('height')),
442             })
443
444         return {
445             'id': compat_str(stream['_id']),
446             'display_id': channel_id,
447             'title': title,
448             'description': description,
449             'thumbnails': thumbnails,
450             'uploader': channel.get('display_name'),
451             'uploader_id': channel.get('name'),
452             'timestamp': timestamp,
453             'view_count': view_count,
454             'formats': formats,
455             'is_live': True,
456         }