Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/extractor/daisuki.py

   1 from __future__ import unicode_literals
   2
   3 import base64
   4 import json
   5 import random
   6 import re
   7
   8 from .common import InfoExtractor
   9 from ..aes import (
  10     aes_cbc_decrypt,
  11     aes_cbc_encrypt,
  12 )
  13 from ..utils import (
  14     bytes_to_intlist,
  15     bytes_to_long,
  16     extract_attributes,
  17     ExtractorError,
  18     intlist_to_bytes,
  19     js_to_json,
  20     int_or_none,
  21     long_to_bytes,
  22     pkcs1pad,
  23 )
  24
  25
  26 class DaisukiMottoIE(InfoExtractor):
  27     _VALID_URL = r'https?://motto\.daisuki\.net/framewatch/embed/[^/]+/(?P<id>[0-9a-zA-Z]{3})'
  28
  29     _TEST = {
  30         'url': 'http://motto.daisuki.net/framewatch/embed/embedDRAGONBALLSUPERUniverseSurvivalsaga/V2e/760/428',
  31         'info_dict': {
  32             'id': 'V2e',
  33             'ext': 'mp4',
  34             'title': '#117 SHOWDOWN OF LOVE! ANDROIDS VS UNIVERSE 2!!',
  35             'subtitles': {
  36                 'mul': [{
  37                     'ext': 'ttml',
  38                 }],
  39             },
  40         },
  41         'params': {
  42             'skip_download': True,  # AES-encrypted HLS stream
  43         },
  44     }
  45
  46     # The public key in PEM format can be found in clientlibs_anime_watch.min.js
  47     _RSA_KEY = (0xc5524c25e8e14b366b3754940beeb6f96cb7e2feef0b932c7659a0c5c3bf173d602464c2df73d693b513ae06ff1be8f367529ab30bf969c5640522181f2a0c51ea546ae120d3d8d908595e4eff765b389cde080a1ef7f1bbfb07411cc568db73b7f521cedf270cbfbe0ddbc29b1ac9d0f2d8f4359098caffee6d07915020077d, 65537)
  48
  49     def _real_extract(self, url):
  50         video_id = self._match_id(url)
  51
  52         webpage = self._download_webpage(url, video_id)
  53
  54         flashvars = self._parse_json(self._search_regex(
  55             r'(?s)var\s+flashvars\s*=\s*({.+?});', webpage, 'flashvars'),
  56             video_id, transform_source=js_to_json)
  57
  58         iv = [0] * 16
  59
  60         data = {}
  61         for key in ('device_cd', 'mv_id', 'ss1_prm', 'ss2_prm', 'ss3_prm', 'ss_id'):
  62             data[key] = flashvars.get(key, '')
  63
  64         encrypted_rtn = None
  65
  66         # Some AES keys are rejected. Try it with different AES keys
  67         for idx in range(5):
  68             aes_key = [random.randint(0, 254) for _ in range(32)]
  69             padded_aeskey = intlist_to_bytes(pkcs1pad(aes_key, 128))
  70
  71             n, e = self._RSA_KEY
  72             encrypted_aeskey = long_to_bytes(pow(bytes_to_long(padded_aeskey), e, n))
  73             init_data = self._download_json(
  74                 'http://motto.daisuki.net/fastAPI/bgn/init/',
  75                 video_id, query={
  76                     's': flashvars.get('s', ''),
  77                     'c': flashvars.get('ss3_prm', ''),
  78                     'e': url,
  79                     'd': base64.b64encode(intlist_to_bytes(aes_cbc_encrypt(
  80                         bytes_to_intlist(json.dumps(data)),
  81                         aes_key, iv))).decode('ascii'),
  82                     'a': base64.b64encode(encrypted_aeskey).decode('ascii'),
  83                 }, note='Downloading JSON metadata' + (' (try #%d)' % (idx + 1) if idx > 0 else ''))
  84
  85             if 'rtn' in init_data:
  86                 encrypted_rtn = init_data['rtn']
  87                 break
  88
  89             self._sleep(5, video_id)
  90
  91         if encrypted_rtn is None:
  92             raise ExtractorError('Failed to fetch init data')
  93
  94         rtn = self._parse_json(
  95             intlist_to_bytes(aes_cbc_decrypt(bytes_to_intlist(
  96                 base64.b64decode(encrypted_rtn)),
  97                 aes_key, iv)).decode('utf-8').rstrip('\0'),
  98             video_id)
  99
 100         title = rtn['title_str']
 101
 102         formats = self._extract_m3u8_formats(
 103             rtn['play_url'], video_id, ext='mp4', entry_protocol='m3u8_native')
 104
 105         subtitles = {}
 106         caption_url = rtn.get('caption_url')
 107         if caption_url:
 108             # mul: multiple languages
 109             subtitles['mul'] = [{
 110                 'url': caption_url,
 111                 'ext': 'ttml',
 112             }]
 113
 114         return {
 115             'id': video_id,
 116             'title': title,
 117             'formats': formats,
 118             'subtitles': subtitles,
 119         }
 120
 121
 122 class DaisukiMottoPlaylistIE(InfoExtractor):
 123     _VALID_URL = r'https?://motto\.daisuki\.net/(?P<id>information)/'
 124
 125     _TEST = {
 126         'url': 'http://motto.daisuki.net/information/',
 127         'info_dict': {
 128             'title': 'DRAGON BALL SUPER',
 129         },
 130         'playlist_mincount': 117,
 131     }
 132
 133     def _real_extract(self, url):
 134         playlist_id = self._match_id(url)
 135
 136         webpage = self._download_webpage(url, playlist_id)
 137
 138         entries = []
 139         for li in re.findall(r'(<li[^>]+?data-product_id="[a-zA-Z0-9]{3}"[^>]+>)', webpage):
 140             attr = extract_attributes(li)
 141             ad_id = attr.get('data-ad_id')
 142             product_id = attr.get('data-product_id')
 143             if ad_id and product_id:
 144                 episode_id = attr.get('data-chapter')
 145                 entries.append({
 146                     '_type': 'url_transparent',
 147                     'url': 'http://motto.daisuki.net/framewatch/embed/%s/%s/760/428' % (ad_id, product_id),
 148                     'episode_id': episode_id,
 149                     'episode_number': int_or_none(episode_id),
 150                     'ie_key': 'DaisukiMotto',
 151                 })
 152
 153         return self.playlist_result(entries, playlist_title='DRAGON BALL SUPER')