from __future__ import unicode_literals import base64 import json import random import re from .common import InfoExtractor from ..aes import ( aes_cbc_decrypt, aes_cbc_encrypt, ) from ..utils import ( bytes_to_intlist, bytes_to_long, clean_html, ExtractorError, intlist_to_bytes, get_element_by_id, js_to_json, int_or_none, long_to_bytes, pkcs1pad, remove_end, ) class DaisukiIE(InfoExtractor): _VALID_URL = r'https?://(?:www\.)?daisuki\.net/[^/]+/[^/]+/[^/]+/watch\.[^.]+\.(?P\d+)\.html' _TEST = { 'url': 'http://www.daisuki.net/tw/en/anime/watch.TheIdolMasterCG.11213.html', 'info_dict': { 'id': '11213', 'ext': 'mp4', 'title': '#01 Who is in the pumpkin carriage? - THE IDOLM@STER CINDERELLA GIRLS', 'creator': 'BANDAI NAMCO Entertainment', }, 'params': { 'skip_download': True, # AES-encrypted HLS stream }, } # The public key in PEM format can be found in clientlibs_anime_watch.min.js _RSA_KEY = (0xc5524c25e8e14b366b3754940beeb6f96cb7e2feef0b932c7659a0c5c3bf173d602464c2df73d693b513ae06ff1be8f367529ab30bf969c5640522181f2a0c51ea546ae120d3d8d908595e4eff765b389cde080a1ef7f1bbfb07411cc568db73b7f521cedf270cbfbe0ddbc29b1ac9d0f2d8f4359098caffee6d07915020077d, 65537) def _real_extract(self, url): video_id = self._match_id(url) webpage = self._download_webpage(url, video_id) flashvars = self._parse_json(self._search_regex( r'(?s)var\s+flashvars\s*=\s*({.+?});', webpage, 'flashvars'), video_id, transform_source=js_to_json) iv = [0] * 16 data = {} for key in ('device_cd', 'mv_id', 'ss1_prm', 'ss2_prm', 'ss3_prm', 'ss_id'): data[key] = flashvars.get(key, '') encrypted_rtn = None # Some AES keys are rejected. Try it with different AES keys for idx in range(5): aes_key = [random.randint(0, 254) for _ in range(32)] padded_aeskey = intlist_to_bytes(pkcs1pad(aes_key, 128)) n, e = self._RSA_KEY encrypted_aeskey = long_to_bytes(pow(bytes_to_long(padded_aeskey), e, n)) init_data = self._download_json('http://www.daisuki.net/bin/bgn/init', video_id, query={ 's': flashvars.get('s', ''), 'c': flashvars.get('ss3_prm', ''), 'e': url, 'd': base64.b64encode(intlist_to_bytes(aes_cbc_encrypt( bytes_to_intlist(json.dumps(data)), aes_key, iv))).decode('ascii'), 'a': base64.b64encode(encrypted_aeskey).decode('ascii'), }, note='Downloading JSON metadata' + (' (try #%d)' % (idx + 1) if idx > 0 else '')) if 'rtn' in init_data: encrypted_rtn = init_data['rtn'] break self._sleep(5, video_id) if encrypted_rtn is None: raise ExtractorError('Failed to fetch init data') rtn = self._parse_json( intlist_to_bytes(aes_cbc_decrypt(bytes_to_intlist( base64.b64decode(encrypted_rtn)), aes_key, iv)).decode('utf-8').rstrip('\0'), video_id) formats = self._extract_m3u8_formats( rtn['play_url'], video_id, ext='mp4', entry_protocol='m3u8_native') title = remove_end(self._og_search_title(webpage), ' - DAISUKI') creator = self._html_search_regex( r'Creator\s*:\s*([^<]+)', webpage, 'creator', fatal=False) return { 'id': video_id, 'title': title, 'formats': formats, 'creator': creator, } class DaisukiPlaylistIE(InfoExtractor): _VALID_URL = r'https?://(?:www\.)daisuki\.net/[^/]+/[^/]+/[^/]+/detail\.(?P[a-zA-Z0-9]+)\.html' _TEST = { 'url': 'http://www.daisuki.net/tw/en/anime/detail.TheIdolMasterCG.html', 'info_dict': { 'id': 'TheIdolMasterCG', 'title': 'THE IDOLM@STER CINDERELLA GIRLS', 'description': 'md5:0f2c028a9339f7a2c7fbf839edc5c5d8', }, 'playlist_count': 26, } def _real_extract(self, url): playlist_id = self._match_id(url) webpage = self._download_webpage(url, playlist_id) episode_pattern = r'''(?sx) ]+delay="[^"]+/(\d+)/movie\.jpg".+? ]+class=".*?\bepisodeNumber\b.*?">(?:]+>)?([^<]+)''' entries = [{ '_type': 'url_transparent', 'url': url.replace('detail', 'watch').replace('.html', '.' + movie_id + '.html'), 'episode_id': episode_id, 'episode_number': int_or_none(episode_id), } for movie_id, episode_id in re.findall(episode_pattern, webpage)] playlist_title = remove_end( self._og_search_title(webpage, fatal=False), ' - Anime - DAISUKI') playlist_description = clean_html(get_element_by_id('synopsisTxt', webpage)) return self.playlist_result(entries, playlist_id, playlist_title, playlist_description)