summaryrefslogtreecommitdiff
path: root/youtube_dl/extractor/crunchyroll.py
blob: 559044352705be55f14f94562f39a67edfdb157a (plain)
    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]+))(?:[/?&]|$)'
  122     _TESTS = [{
  123         'url': 'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
  124         'info_dict': {
  125             'id': '645513',
  126             'ext': 'flv',
  127             'title': 'Wanna be the Strongest in the World Episode 1 – An Idol-Wrestler is Born!',
  128             'description': 'md5:2d17137920c64f2f49981a7797d275ef',
  129             'thumbnail': 'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
  130             'uploader': 'Yomiuri Telecasting Corporation (YTV)',
  131             'upload_date': '20131013',
  132             'url': 're:(?!.*&amp)',
  133         },
  134         'params': {
  135             # rtmp
  136             'skip_download': True,
  137         },
  138     }, {
  139         'url': 'http://www.crunchyroll.com/media-589804/culture-japan-1',
  140         'info_dict': {
  141             'id': '589804',
  142             'ext': 'flv',
  143             'title': 'Culture Japan Episode 1 – Rebuilding Japan after the 3.11',
  144             'description': 'md5:2fbc01f90b87e8e9137296f37b461c12',
  145             'thumbnail': r're:^https?://.*\.jpg$',
  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': r'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         }

Generated by cgit