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[youtubedl] / 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,
15 compat_urllib_parse_unquote,
16 compat_urllib_request,
17 compat_urlparse,
18 )
19 from ..utils import (
20 ExtractorError,
21 bytes_to_intlist,
22 intlist_to_bytes,
23 int_or_none,
24 lowercase_escape,
25 remove_end,
26 unified_strdate,
27 urlencode_postdata,
28 xpath_text,
29 )
30 from ..aes import (
31 aes_cbc_decrypt,
32 )
33
34
35 class CrunchyrollBaseIE(InfoExtractor):
36 _NETRC_MACHINE = 'crunchyroll'
37
38 def _login(self):
39 (username, password) = self._get_login_info()
40 if username is None:
41 return
42 self.report_login()
43 login_url = 'https://www.crunchyroll.com/?a=formhandler'
44 data = urlencode_postdata({
45 'formname': 'RpcApiUser_Login',
46 'name': username,
47 'password': password,
48 })
49 login_request = compat_urllib_request.Request(login_url, data)
50 login_request.add_header('Content-Type', 'application/x-www-form-urlencoded')
51 self._download_webpage(login_request, None, False, 'Wrong login info')
52
53 def _real_initialize(self):
54 self._login()
55
56 def _download_webpage(self, url_or_request, video_id, note=None, errnote=None, fatal=True, tries=1, timeout=5, encoding=None):
57 request = (url_or_request if isinstance(url_or_request, compat_urllib_request.Request)
58 else compat_urllib_request.Request(url_or_request))
59 # Accept-Language must be set explicitly to accept any language to avoid issues
60 # similar to https://github.com/rg3/youtube-dl/issues/6797.
61 # Along with IP address Crunchyroll uses Accept-Language to guess whether georestriction
62 # should be imposed or not (from what I can see it just takes the first language
63 # ignoring the priority and requires it to correspond the IP). By the way this causes
64 # Crunchyroll to not work in georestriction cases in some browsers that don't place
65 # the locale lang first in header. However allowing any language seems to workaround the issue.
66 request.add_header('Accept-Language', '*')
67 return super(CrunchyrollBaseIE, self)._download_webpage(
68 request, video_id, note, errnote, fatal, tries, timeout, encoding)
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 playerdata_url = compat_urllib_parse_unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, 'playerdata_url'))
310 playerdata_req = compat_urllib_request.Request(playerdata_url)
311 playerdata_req.data = compat_urllib_parse.urlencode({'current_page': webpage_url})
312 playerdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
313 playerdata = self._download_webpage(playerdata_req, video_id, note='Downloading media info')
314
315 stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, 'stream_id')
316 video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, 'thumbnail', fatal=False)
317
318 formats = []
319 for fmt in re.findall(r'showmedia\.([0-9]{3,4})p', webpage):
320 stream_quality, stream_format = self._FORMAT_IDS[fmt]
321 video_format = fmt + 'p'
322 streamdata_req = compat_urllib_request.Request(
323 'http://www.crunchyroll.com/xml/?req=RpcApiVideoPlayer_GetStandardConfig&media_id=%s&video_format=%s&video_quality=%s'
324 % (stream_id, stream_format, stream_quality),
325 compat_urllib_parse.urlencode({'current_page': url}).encode('utf-8'))
326 streamdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
327 streamdata = self._download_xml(
328 streamdata_req, video_id,
329 note='Downloading media info for %s' % video_format)
330 stream_info = streamdata.find('./{default}preload/stream_info')
331 video_url = stream_info.find('./host').text
332 video_play_path = stream_info.find('./file').text
333 metadata = stream_info.find('./metadata')
334 format_info = {
335 'format': video_format,
336 'format_id': video_format,
337 'height': int_or_none(xpath_text(metadata, './height')),
338 'width': int_or_none(xpath_text(metadata, './width')),
339 }
340
341 if '.fplive.net/' in video_url:
342 video_url = re.sub(r'^rtmpe?://', 'http://', video_url.strip())
343 parsed_video_url = compat_urlparse.urlparse(video_url)
344 direct_video_url = compat_urlparse.urlunparse(parsed_video_url._replace(
345 netloc='v.lvlt.crcdn.net',
346 path='%s/%s' % (remove_end(parsed_video_url.path, '/'), video_play_path.split(':')[-1])))
347 if self._is_valid_url(direct_video_url, video_id, video_format):
348 format_info.update({
349 'url': direct_video_url,
350 })
351 formats.append(format_info)
352 continue
353
354 format_info.update({
355 'url': video_url,
356 'play_path': video_play_path,
357 'ext': 'flv',
358 })
359 formats.append(format_info)
360
361 subtitles = self.extract_subtitles(video_id, webpage)
362
363 return {
364 'id': video_id,
365 'title': video_title,
366 'description': video_description,
367 'thumbnail': video_thumbnail,
368 'uploader': video_uploader,
369 'upload_date': video_upload_date,
370 'subtitles': subtitles,
371 'formats': formats,
372 }
373
374
375 class CrunchyrollShowPlaylistIE(CrunchyrollBaseIE):
376 IE_NAME = "crunchyroll:playlist"
377 _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\-]+))/?(?:\?|$)'
378
379 _TESTS = [{
380 'url': 'http://www.crunchyroll.com/a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
381 'info_dict': {
382 'id': 'a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
383 'title': 'A Bridge to the Starry Skies - Hoshizora e Kakaru Hashi'
384 },
385 'playlist_count': 13,
386 }, {
387 # geo-restricted (US), 18+ maturity wall, non-premium available
388 'url': 'http://www.crunchyroll.com/cosplay-complex-ova',
389 'info_dict': {
390 'id': 'cosplay-complex-ova',
391 'title': 'Cosplay Complex OVA'
392 },
393 'playlist_count': 3,
394 'skip': 'Georestricted',
395 }, {
396 # geo-restricted (US), 18+ maturity wall, non-premium will be available since 2015.11.14
397 'url': 'http://www.crunchyroll.com/ladies-versus-butlers?skip_wall=1',
398 'only_matching': True,
399 }]
400
401 def _real_extract(self, url):
402 show_id = self._match_id(url)
403
404 webpage = self._download_webpage(self._add_skip_wall(url), show_id)
405 title = self._html_search_regex(
406 r'(?s)<h1[^>]*>\s*<span itemprop="name">(.*?)</span>',
407 webpage, 'title')
408 episode_paths = re.findall(
409 r'(?s)<li id="showview_videos_media_[0-9]+"[^>]+>.*?<a href="([^"]+)"',
410 webpage)
411 entries = [
412 self.url_result('http://www.crunchyroll.com' + ep, 'Crunchyroll')
413 for ep in episode_paths
414 ]
415 entries.reverse()
416
417 return {
418 '_type': 'playlist',
419 'id': show_id,
420 'title': title,
421 'entries': entries,
422 }