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