Raphaël G. Git Repositories - youtubedl/blob - 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         }