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authorYen Chi Hsuan <[email protected]>2017-02-27 18:56:45 +0800
committerYen Chi Hsuan <[email protected]>2017-02-28 22:19:26 +0800
commit9bd05b5a18c535f5517158d505af5dced498d23e (patch)
treec0a8a3cdbbd416bb72f9bcbb36786febced3c6d8 /youtube_dl/extractor/daisuki.py
parent0a5445ddbeb8d391bbac92e5fe9074c6aa2e1565 (diff)
downloadyoutube-dl-9bd05b5a18c535f5517158d505af5dced498d23e.tar.gz
youtube-dl-9bd05b5a18c535f5517158d505af5dced498d23e.zip
[daisuki] Add new extractor (closes #4738)
Diffstat (limited to 'youtube_dl/extractor/daisuki.py')
-rw-r--r--youtube_dl/extractor/daisuki.py144
1 files changed, 144 insertions, 0 deletions
diff --git a/youtube_dl/extractor/daisuki.py b/youtube_dl/extractor/daisuki.py
new file mode 100644
index 000000000..6fd09faf1
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+++ b/youtube_dl/extractor/daisuki.py
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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)