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