[daisuki] Add new extractor (closes #4738)

This commit is contained in:
Yen Chi Hsuan 2017-02-27 18:56:45 +08:00
parent 0a5445ddbe
commit 9bd05b5a18
3 changed files with 149 additions and 0 deletions

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@ -1,6 +1,7 @@
version <unreleased>
Extractors
+ [daisuki] Add new extractor (#2486, #3186, #4738, #6175, #7776, #10060)
* [douyu] Fix extraction (#12301)

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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<id>\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<id>[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)
<img[^>]+delay="[^"]+/(\d+)/movie\.jpg".+?
<p[^>]+class=".*?\bepisodeNumber\b.*?">(?:<a[^>]+>)?([^<]+)'''
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)

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DailymotionUserIE,
DailymotionCloudIE,
)
from .daisuki import (
DaisukiIE,
DaisukiPlaylistIE,
)
from .daum import (
DaumIE,
DaumClipIE,