Merge branch 'master' of https://github.com/DarkstaIkers/youtube-dl into DarkstaIkers...
[ytdl] / youtube_dl / extractor / crunchyroll.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5 import json
6 import base64
7 import zlib
8
9 from hashlib import sha1
10 from math import pow, sqrt, floor
11 from .common import InfoExtractor
12 from ..compat import (
13     compat_etree_fromstring,
14     compat_urllib_parse_urlencode,
15     compat_urllib_request,
16     compat_urlparse,
17 )
18 from ..utils import (
19     ExtractorError,
20     bytes_to_intlist,
21     intlist_to_bytes,
22     int_or_none,
23     lowercase_escape,
24     remove_end,
25     sanitized_Request,
26     unified_strdate,
27     urlencode_postdata,
28     xpath_text,
29     extract_attributes,
30 )
31 from ..aes import (
32     aes_cbc_decrypt,
33 )
34
35
36 class CrunchyrollBaseIE(InfoExtractor):
37     _LOGIN_URL = 'https://www.crunchyroll.com/login'
38     _LOGIN_FORM = 'login_form'
39     _NETRC_MACHINE = 'crunchyroll'
40
41     def _login(self):
42         (username, password) = self._get_login_info()
43         if username is None:
44             return
45
46         login_page = self._download_webpage(
47             self._LOGIN_URL, None, 'Downloading login page')
48
49         def is_logged(webpage):
50             return '<title>Redirecting' in webpage
51
52         # Already logged in
53         if is_logged(login_page):
54             return
55
56         login_form_str = self._search_regex(
57             r'(?P<form><form[^>]+?id=(["\'])%s\2[^>]*>)' % self._LOGIN_FORM,
58             login_page, 'login form', group='form')
59
60         post_url = extract_attributes(login_form_str).get('action')
61         if not post_url:
62             post_url = self._LOGIN_URL
63         elif not post_url.startswith('http'):
64             post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url)
65
66         login_form = self._form_hidden_inputs(self._LOGIN_FORM, login_page)
67
68         login_form.update({
69             'login_form[name]': username,
70             'login_form[password]': password,
71         })
72
73         response = self._download_webpage(
74             post_url, None, 'Logging in', 'Wrong login info',
75             data=urlencode_postdata(login_form),
76             headers={'Content-Type': 'application/x-www-form-urlencoded'})
77
78         # Successful login
79         if is_logged(response):
80             return
81
82         error = self._html_search_regex(
83             '(?s)<ul[^>]+class=["\']messages["\'][^>]*>(.+?)</ul>',
84             response, 'error message', default=None)
85         if error:
86             raise ExtractorError('Unable to login: %s' % error, expected=True)
87
88         raise ExtractorError('Unable to log in')
89
90     def _real_initialize(self):
91         self._login()
92
93     def _download_webpage(self, url_or_request, *args, **kwargs):
94         request = (url_or_request if isinstance(url_or_request, compat_urllib_request.Request)
95                    else sanitized_Request(url_or_request))
96         # Accept-Language must be set explicitly to accept any language to avoid issues
97         # similar to https://github.com/rg3/youtube-dl/issues/6797.
98         # Along with IP address Crunchyroll uses Accept-Language to guess whether georestriction
99         # should be imposed or not (from what I can see it just takes the first language
100         # ignoring the priority and requires it to correspond the IP). By the way this causes
101         # Crunchyroll to not work in georestriction cases in some browsers that don't place
102         # the locale lang first in header. However allowing any language seems to workaround the issue.
103         request.add_header('Accept-Language', '*')
104         return super(CrunchyrollBaseIE, self)._download_webpage(request, *args, **kwargs)
105
106     @staticmethod
107     def _add_skip_wall(url):
108         parsed_url = compat_urlparse.urlparse(url)
109         qs = compat_urlparse.parse_qs(parsed_url.query)
110         # Always force skip_wall to bypass maturity wall, namely 18+ confirmation message:
111         # > This content may be inappropriate for some people.
112         # > Are you sure you want to continue?
113         # since it's not disabled by default in crunchyroll account's settings.
114         # See https://github.com/rg3/youtube-dl/issues/7202.
115         qs['skip_wall'] = ['1']
116         return compat_urlparse.urlunparse(
117             parsed_url._replace(query=compat_urllib_parse_urlencode(qs, True)))
118
119
120 class CrunchyrollIE(CrunchyrollBaseIE):
121     _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.(?:com|fr)/(?:media(?:-|/\?id=)|[^/]*/[^/?&]*?)(?P<video_id>[0-9]+))(?:[/?&]|$)'
122     _TESTS = [{
123         'url': 'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
124         'info_dict': {
125             'id': '645513',
126             'ext': 'flv',
127             'title': 'Wanna be the Strongest in the World Episode 1 – An Idol-Wrestler is Born!',
128             'description': 'md5:2d17137920c64f2f49981a7797d275ef',
129             'thumbnail': 'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
130             'uploader': 'Yomiuri Telecasting Corporation (YTV)',
131             'upload_date': '20131013',
132             'url': 're:(?!.*&amp)',
133         },
134         'params': {
135             # rtmp
136             'skip_download': True,
137         },
138     }, {
139         'url': 'http://www.crunchyroll.com/media-589804/culture-japan-1',
140         'info_dict': {
141             'id': '589804',
142             'ext': 'flv',
143             'title': 'Culture Japan Episode 1 – Rebuilding Japan after the 3.11',
144             'description': 'md5:2fbc01f90b87e8e9137296f37b461c12',
145             'thumbnail': 're:^https?://.*\.jpg$',
146             'uploader': 'Danny Choo Network',
147             'upload_date': '20120213',
148         },
149         'params': {
150             # rtmp
151             'skip_download': True,
152         },
153         'skip': 'Video gone',
154     }, {
155         'url': 'http://www.crunchyroll.com/rezero-starting-life-in-another-world-/episode-5-the-morning-of-our-promise-is-still-distant-702409',
156         'info_dict': {
157             'id': '702409',
158             'ext': 'mp4',
159             'title': 'Re:ZERO -Starting Life in Another World- Episode 5 – The Morning of Our Promise Is Still Distant',
160             'description': 'md5:97664de1ab24bbf77a9c01918cb7dca9',
161             'thumbnail': 're:^https?://.*\.jpg$',
162             'uploader': 'TV TOKYO',
163             'upload_date': '20160508',
164         },
165         'params': {
166             # m3u8 download
167             'skip_download': True,
168         },
169     }, {
170         'url': 'http://www.crunchyroll.fr/girl-friend-beta/episode-11-goodbye-la-mode-661697',
171         'only_matching': True,
172     }, {
173         # geo-restricted (US), 18+ maturity wall, non-premium available
174         'url': 'http://www.crunchyroll.com/cosplay-complex-ova/episode-1-the-birth-of-the-cosplay-club-565617',
175         'only_matching': True,
176     }]
177
178     _FORMAT_IDS = {
179         '360': ('60', '106'),
180         '480': ('61', '106'),
181         '720': ('62', '106'),
182         '1080': ('80', '108'),
183     }
184
185     def _decrypt_subtitles(self, data, iv, id):
186         data = bytes_to_intlist(base64.b64decode(data.encode('utf-8')))
187         iv = bytes_to_intlist(base64.b64decode(iv.encode('utf-8')))
188         id = int(id)
189
190         def obfuscate_key_aux(count, modulo, start):
191             output = list(start)
192             for _ in range(count):
193                 output.append(output[-1] + output[-2])
194             # cut off start values
195             output = output[2:]
196             output = list(map(lambda x: x % modulo + 33, output))
197             return output
198
199         def obfuscate_key(key):
200             num1 = int(floor(pow(2, 25) * sqrt(6.9)))
201             num2 = (num1 ^ key) << 5
202             num3 = key ^ num1
203             num4 = num3 ^ (num3 >> 3) ^ num2
204             prefix = intlist_to_bytes(obfuscate_key_aux(20, 97, (1, 2)))
205             shaHash = bytes_to_intlist(sha1(prefix + str(num4).encode('ascii')).digest())
206             # Extend 160 Bit hash to 256 Bit
207             return shaHash + [0] * 12
208
209         key = obfuscate_key(id)
210
211         decrypted_data = intlist_to_bytes(aes_cbc_decrypt(data, key, iv))
212         return zlib.decompress(decrypted_data)
213
214     def _convert_subtitles_to_srt(self, sub_root):
215         output = ''
216
217         for i, event in enumerate(sub_root.findall('./events/event'), 1):
218             start = event.attrib['start'].replace('.', ',')
219             end = event.attrib['end'].replace('.', ',')
220             text = event.attrib['text'].replace('\\N', '\n')
221             output += '%d\n%s --> %s\n%s\n\n' % (i, start, end, text)
222         return output
223
224     def _convert_subtitles_to_ass(self, sub_root):
225         output = ''
226
227         def ass_bool(strvalue):
228             assvalue = '0'
229             if strvalue == '1':
230                 assvalue = '-1'
231             return assvalue
232
233         output = '[Script Info]\n'
234         output += 'Title: %s\n' % sub_root.attrib['title']
235         output += 'ScriptType: v4.00+\n'
236         output += 'WrapStyle: %s\n' % sub_root.attrib['wrap_style']
237         output += 'PlayResX: %s\n' % sub_root.attrib['play_res_x']
238         output += 'PlayResY: %s\n' % sub_root.attrib['play_res_y']
239         output += """ScaledBorderAndShadow: no
240
241 [V4+ Styles]
242 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
243 """
244         for style in sub_root.findall('./styles/style'):
245             output += 'Style: ' + style.attrib['name']
246             output += ',' + style.attrib['font_name']
247             output += ',' + style.attrib['font_size']
248             output += ',' + style.attrib['primary_colour']
249             output += ',' + style.attrib['secondary_colour']
250             output += ',' + style.attrib['outline_colour']
251             output += ',' + style.attrib['back_colour']
252             output += ',' + ass_bool(style.attrib['bold'])
253             output += ',' + ass_bool(style.attrib['italic'])
254             output += ',' + ass_bool(style.attrib['underline'])
255             output += ',' + ass_bool(style.attrib['strikeout'])
256             output += ',' + style.attrib['scale_x']
257             output += ',' + style.attrib['scale_y']
258             output += ',' + style.attrib['spacing']
259             output += ',' + style.attrib['angle']
260             output += ',' + style.attrib['border_style']
261             output += ',' + style.attrib['outline']
262             output += ',' + style.attrib['shadow']
263             output += ',' + style.attrib['alignment']
264             output += ',' + style.attrib['margin_l']
265             output += ',' + style.attrib['margin_r']
266             output += ',' + style.attrib['margin_v']
267             output += ',' + style.attrib['encoding']
268             output += '\n'
269
270         output += """
271 [Events]
272 Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
273 """
274         for event in sub_root.findall('./events/event'):
275             output += 'Dialogue: 0'
276             output += ',' + event.attrib['start']
277             output += ',' + event.attrib['end']
278             output += ',' + event.attrib['style']
279             output += ',' + event.attrib['name']
280             output += ',' + event.attrib['margin_l']
281             output += ',' + event.attrib['margin_r']
282             output += ',' + event.attrib['margin_v']
283             output += ',' + event.attrib['effect']
284             output += ',' + event.attrib['text']
285             output += '\n'
286
287         return output
288
289     def _extract_subtitles(self, subtitle):
290         sub_root = compat_etree_fromstring(subtitle)
291         return [{
292             'ext': 'srt',
293             'data': self._convert_subtitles_to_srt(sub_root),
294         }, {
295             'ext': 'ass',
296             'data': self._convert_subtitles_to_ass(sub_root),
297         }]
298
299     def _get_subtitles(self, video_id, webpage):
300         subtitles = {}
301         for sub_id, sub_name in re.findall(r'\bssid=([0-9]+)"[^>]+?\btitle="([^"]+)', webpage):
302             sub_page = self._download_webpage(
303                 'http://www.crunchyroll.com/xml/?req=RpcApiSubtitle_GetXml&subtitle_script_id=' + sub_id,
304                 video_id, note='Downloading subtitles for ' + sub_name)
305             id = self._search_regex(r'id=\'([0-9]+)', sub_page, 'subtitle_id', fatal=False)
306             iv = self._search_regex(r'<iv>([^<]+)', sub_page, 'subtitle_iv', fatal=False)
307             data = self._search_regex(r'<data>([^<]+)', sub_page, 'subtitle_data', fatal=False)
308             if not id or not iv or not data:
309                 continue
310             subtitle = self._decrypt_subtitles(data, iv, id).decode('utf-8')
311             lang_code = self._search_regex(r'lang_code=["\']([^"\']+)', subtitle, 'subtitle_lang_code', fatal=False)
312             if not lang_code:
313                 continue
314             subtitles[lang_code] = self._extract_subtitles(subtitle)
315         return subtitles
316
317     def _real_extract(self, url):
318         mobj = re.match(self._VALID_URL, url)
319         video_id = mobj.group('video_id')
320
321         if mobj.group('prefix') == 'm':
322             mobile_webpage = self._download_webpage(url, video_id, 'Downloading mobile webpage')
323             webpage_url = self._search_regex(r'<link rel="canonical" href="([^"]+)" />', mobile_webpage, 'webpage_url')
324         else:
325             webpage_url = 'http://www.' + mobj.group('url')
326
327         webpage = self._download_webpage(self._add_skip_wall(webpage_url), video_id, 'Downloading webpage')
328         note_m = self._html_search_regex(
329             r'<div class="showmedia-trailer-notice">(.+?)</div>',
330             webpage, 'trailer-notice', default='')
331         if note_m:
332             raise ExtractorError(note_m)
333
334         mobj = re.search(r'Page\.messaging_box_controller\.addItems\(\[(?P<msg>{.+?})\]\)', webpage)
335         if mobj:
336             msg = json.loads(mobj.group('msg'))
337             if msg.get('type') == 'error':
338                 raise ExtractorError('crunchyroll returned error: %s' % msg['message_body'], expected=True)
339
340         if 'To view this, please log in to verify you are 18 or older.' in webpage:
341             self.raise_login_required()
342
343         video_title = self._html_search_regex(
344             r'(?s)<h1[^>]*>((?:(?!<h1).)*?<span[^>]+itemprop=["\']title["\'][^>]*>(?:(?!<h1).)+?)</h1>',
345             webpage, 'video_title')
346         video_title = re.sub(r' {2,}', ' ', video_title)
347         video_description = self._html_search_regex(
348             r'<script[^>]*>\s*.+?\[media_id=%s\].+?"description"\s*:\s*"([^"]+)' % video_id,
349             webpage, 'description', default=None)
350         if video_description:
351             video_description = lowercase_escape(video_description.replace(r'\r\n', '\n'))
352         video_upload_date = self._html_search_regex(
353             [r'<div>Availability for free users:(.+?)</div>', r'<div>[^<>]+<span>\s*(.+?\d{4})\s*</span></div>'],
354             webpage, 'video_upload_date', fatal=False, flags=re.DOTALL)
355         if video_upload_date:
356             video_upload_date = unified_strdate(video_upload_date)
357         video_uploader = self._html_search_regex(
358             r'<a[^>]+href="/publisher/[^"]+"[^>]*>([^<]+)</a>', webpage,
359             'video_uploader', fatal=False)
360
361         available_fmts = []
362         for a, fmt in re.findall(r'(<a[^>]+token=["\']showmedia\.([0-9]{3,4})p["\'][^>]+>)', webpage):
363             attrs = extract_attributes(a)
364             href = attrs.get('href')
365             if href and '/freetrial' in href:
366                 continue
367             available_fmts.append(fmt)
368         if not available_fmts:
369             for p in (r'token=["\']showmedia\.([0-9]{3,4})p"', r'showmedia\.([0-9]{3,4})p'):
370                 available_fmts = re.findall(p, webpage)
371                 if available_fmts:
372                     break
373         video_encode_ids = []
374         formats = []
375         for fmt in available_fmts:
376             stream_quality, stream_format = self._FORMAT_IDS[fmt]
377             video_format = fmt + 'p'
378             streamdata_req = sanitized_Request(
379                 'http://www.crunchyroll.com/xml/?req=RpcApiVideoPlayer_GetStandardConfig&media_id=%s&video_format=%s&video_quality=%s'
380                 % (video_id, stream_format, stream_quality),
381                 compat_urllib_parse_urlencode({'current_page': url}).encode('utf-8'))
382             streamdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
383             streamdata = self._download_xml(
384                 streamdata_req, video_id,
385                 note='Downloading media info for %s' % video_format)
386             stream_info = streamdata.find('./{default}preload/stream_info')
387             video_encode_id = xpath_text(stream_info, './video_encode_id')
388             if video_encode_id in video_encode_ids:
389                 continue
390             video_encode_ids.append(video_encode_id)
391
392             video_file = xpath_text(stream_info, './file')
393             if not video_file:
394                 continue
395             if video_file.startswith('http'):
396                 formats.extend(self._extract_m3u8_formats(
397                     video_file, video_id, 'mp4', entry_protocol='m3u8_native',
398                     m3u8_id='hls', fatal=False))
399                 continue
400
401             video_url = xpath_text(stream_info, './host')
402             if not video_url:
403                 continue
404             metadata = stream_info.find('./metadata')
405             format_info = {
406                 'format': video_format,
407                 'format_id': video_format,
408                 'height': int_or_none(xpath_text(metadata, './height')),
409                 'width': int_or_none(xpath_text(metadata, './width')),
410             }
411
412             if '.fplive.net/' in video_url:
413                 video_url = re.sub(r'^rtmpe?://', 'http://', video_url.strip())
414                 parsed_video_url = compat_urlparse.urlparse(video_url)
415                 direct_video_url = compat_urlparse.urlunparse(parsed_video_url._replace(
416                     netloc='v.lvlt.crcdn.net',
417                     path='%s/%s' % (remove_end(parsed_video_url.path, '/'), video_file.split(':')[-1])))
418                 if self._is_valid_url(direct_video_url, video_id, video_format):
419                     format_info.update({
420                         'url': direct_video_url,
421                     })
422                     formats.append(format_info)
423                     continue
424
425             format_info.update({
426                 'url': video_url,
427                 'play_path': video_file,
428                 'ext': 'flv',
429             })
430             formats.append(format_info)
431         self._sort_formats(formats)
432
433         metadata = self._download_xml(
434             'http://www.crunchyroll.com/xml', video_id,
435             note='Downloading media info', query={
436                 'req': 'RpcApiVideoPlayer_GetMediaMetadata',
437                 'media_id': video_id,
438             })
439
440         subtitles = self.extract_subtitles(video_id, webpage)
441
442         return {
443             'id': video_id,
444             'title': video_title,
445             'description': video_description,
446             'thumbnail': xpath_text(metadata, 'episode_image_url'),
447             'uploader': video_uploader,
448             'upload_date': video_upload_date,
449             'series': xpath_text(metadata, 'series_title'),
450             'episode': xpath_text(metadata, 'episode_title'),
451             'episode_number': int_or_none(xpath_text(metadata, 'episode_number')),
452             'subtitles': subtitles,
453             'formats': formats,
454         }
455
456
457 class CrunchyrollShowPlaylistIE(CrunchyrollBaseIE):
458     IE_NAME = 'crunchyroll:playlist'
459     _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.com/(?!(?:news|anime-news|library|forum|launchcalendar|lineup|store|comics|freetrial|login))(?P<id>[\w\-]+))/?(?:\?|$)'
460
461     _TESTS = [{
462         'url': 'http://www.crunchyroll.com/a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
463         'info_dict': {
464             'id': 'a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
465             'title': 'A Bridge to the Starry Skies - Hoshizora e Kakaru Hashi'
466         },
467         'playlist_count': 13,
468     }, {
469         # geo-restricted (US), 18+ maturity wall, non-premium available
470         'url': 'http://www.crunchyroll.com/cosplay-complex-ova',
471         'info_dict': {
472             'id': 'cosplay-complex-ova',
473             'title': 'Cosplay Complex OVA'
474         },
475         'playlist_count': 3,
476         'skip': 'Georestricted',
477     }, {
478         # geo-restricted (US), 18+ maturity wall, non-premium will be available since 2015.11.14
479         'url': 'http://www.crunchyroll.com/ladies-versus-butlers?skip_wall=1',
480         'only_matching': True,
481     }]
482
483     def _real_extract(self, url):
484         show_id = self._match_id(url)
485
486         webpage = self._download_webpage(self._add_skip_wall(url), show_id)
487         title = self._html_search_regex(
488             r'(?s)<h1[^>]*>\s*<span itemprop="name">(.*?)</span>',
489             webpage, 'title')
490         episode_paths = re.findall(
491             r'(?s)<li id="showview_videos_media_[0-9]+"[^>]+>.*?<a href="([^"]+)"',
492             webpage)
493         entries = [
494             self.url_result('http://www.crunchyroll.com' + ep, 'Crunchyroll')
495             for ep in episode_paths
496         ]
497         entries.reverse()
498
499         return {
500             '_type': 'playlist',
501             'id': show_id,
502             'title': title,
503             'entries': entries,
504         }