[bilibili] Fix extraction (closes #10375)

Thanks @gdkchan for the algorithm
This commit is contained in:
Yen Chi Hsuan 2016-08-28 22:06:31 +08:00
parent 40eec6b15c
commit 04b32c8f96
No known key found for this signature in database
GPG key ID: 3FDDD575826C5C30
2 changed files with 36 additions and 63 deletions

View file

@ -1,6 +1,7 @@
version <unreleased> version <unreleased>
Extractors Extractors
* [bilibili] Fix extraction (#10375)
* [openload] Fix extraction (#10408) * [openload] Fix extraction (#10408)

View file

@ -1,35 +1,26 @@
# coding: utf-8 # coding: utf-8
from __future__ import unicode_literals from __future__ import unicode_literals
import calendar import hashlib
import datetime
import re import re
from .common import InfoExtractor from .common import InfoExtractor
from ..compat import ( from ..compat import compat_parse_qs
compat_etree_fromstring,
compat_str,
compat_parse_qs,
compat_xml_parse_error,
)
from ..utils import ( from ..utils import (
ExtractorError,
int_or_none, int_or_none,
float_or_none, float_or_none,
xpath_text, unified_timestamp,
) )
class BiliBiliIE(InfoExtractor): class BiliBiliIE(InfoExtractor):
_WORKING = False
_VALID_URL = r'https?://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)' _VALID_URL = r'https?://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)'
_TESTS = [{ _TESTS = [{
'url': 'http://www.bilibili.tv/video/av1074402/', 'url': 'http://www.bilibili.tv/video/av1074402/',
'md5': '9fa226fe2b8a9a4d5a69b4c6a183417e', 'md5': '9fa226fe2b8a9a4d5a69b4c6a183417e',
'info_dict': { 'info_dict': {
'id': '1554319', 'id': '1074402',
'ext': 'mp4', 'ext': 'mp4',
'title': '【金坷垃】金泡沫', 'title': '【金坷垃】金泡沫',
'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923', 'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
@ -43,24 +34,28 @@ class BiliBiliIE(InfoExtractor):
}, { }, {
'url': 'http://www.bilibili.com/video/av1041170/', 'url': 'http://www.bilibili.com/video/av1041170/',
'info_dict': { 'info_dict': {
'id': '1507019', 'id': '1041170',
'ext': 'mp4', 'ext': 'mp4',
'title': '【BD1080P】刀语【诸神&异域】', 'title': '【BD1080P】刀语【诸神&异域】',
'description': '这是个神奇的故事~每个人不留弹幕不给走哦~切利哦!~', 'description': '这是个神奇的故事~每个人不留弹幕不给走哦~切利哦!~',
'duration': 3382.259,
'timestamp': 1396530060, 'timestamp': 1396530060,
'upload_date': '20140403', 'upload_date': '20140403',
'thumbnail': 're:^https?://.+\.jpg',
'uploader': '枫叶逝去', 'uploader': '枫叶逝去',
'uploader_id': '520116', 'uploader_id': '520116',
}, },
}, { }, {
'url': 'http://www.bilibili.com/video/av4808130/', 'url': 'http://www.bilibili.com/video/av4808130/',
'info_dict': { 'info_dict': {
'id': '7802182', 'id': '4808130',
'ext': 'mp4', 'ext': 'mp4',
'title': '【长篇】哆啦A梦443【钉铛】', 'title': '【长篇】哆啦A梦443【钉铛】',
'description': '(2016.05.27)来组合客人的脸吧&amp;amp;寻母六千里锭 抱歉,又轮到周日上班现在才到家 封面www.pixiv.net/member_illust.php?mode=medium&amp;amp;illust_id=56912929', 'description': '(2016.05.27)来组合客人的脸吧&amp;amp;寻母六千里锭 抱歉,又轮到周日上班现在才到家 封面www.pixiv.net/member_illust.php?mode=medium&amp;amp;illust_id=56912929',
'duration': 1493.995,
'timestamp': 1464564180, 'timestamp': 1464564180,
'upload_date': '20160529', 'upload_date': '20160529',
'thumbnail': 're:^https?://.+\.jpg',
'uploader': '喜欢拉面', 'uploader': '喜欢拉面',
'uploader_id': '151066', 'uploader_id': '151066',
}, },
@ -68,12 +63,14 @@ class BiliBiliIE(InfoExtractor):
# Missing upload time # Missing upload time
'url': 'http://www.bilibili.com/video/av1867637/', 'url': 'http://www.bilibili.com/video/av1867637/',
'info_dict': { 'info_dict': {
'id': '2880301', 'id': '1867637',
'ext': 'mp4', 'ext': 'mp4',
'title': '【HDTV】【喜剧】岳父岳母真难当 2014【法国票房冠军】', 'title': '【HDTV】【喜剧】岳父岳母真难当 2014【法国票房冠军】',
'description': '一个信奉天主教的法国旧式传统资产阶级家庭中有四个女儿。三个女儿却分别找了阿拉伯、犹太、中国丈夫,老夫老妻唯独期盼剩下未嫁的小女儿能找一个信奉天主教的法国白人,结果没想到小女儿找了一位非裔黑人……【这次应该不会跳帧了】', 'description': '一个信奉天主教的法国旧式传统资产阶级家庭中有四个女儿。三个女儿却分别找了阿拉伯、犹太、中国丈夫,老夫老妻唯独期盼剩下未嫁的小女儿能找一个信奉天主教的法国白人,结果没想到小女儿找了一位非裔黑人……【这次应该不会跳帧了】',
'duration': 5760.0,
'uploader': '黑夜为猫', 'uploader': '黑夜为猫',
'uploader_id': '610729', 'uploader_id': '610729',
'thumbnail': 're:^https?://.+\.jpg',
}, },
'params': { 'params': {
# Just to test metadata extraction # Just to test metadata extraction
@ -82,86 +79,61 @@ class BiliBiliIE(InfoExtractor):
'expected_warnings': ['upload time'], 'expected_warnings': ['upload time'],
}] }]
# BiliBili blocks keys from time to time. The current key is extracted from _APP_KEY = '6f90a59ac58a4123'
# the Android client _BILIBILI_KEY = '0bfd84cc3940035173f35e6777508326'
# TODO: find the sign algorithm used in the flash player
_APP_KEY = '86385cdc024c0f6c'
def _real_extract(self, url): def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url) video_id = self._match_id(url)
video_id = mobj.group('id')
webpage = self._download_webpage(url, video_id) webpage = self._download_webpage(url, video_id)
params = compat_parse_qs(self._search_regex( cid = compat_parse_qs(self._search_regex(
[r'EmbedPlayer\([^)]+,\s*"([^"]+)"\)', [r'EmbedPlayer\([^)]+,\s*"([^"]+)"\)',
r'<iframe[^>]+src="https://secure\.bilibili\.com/secure,([^"]+)"'], r'<iframe[^>]+src="https://secure\.bilibili\.com/secure,([^"]+)"'],
webpage, 'player parameters')) webpage, 'player parameters'))['cid'][0]
cid = params['cid'][0]
info_xml_str = self._download_webpage( payload = 'appkey=%s&cid=%s&otype=json&quality=2&type=mp4' % (self._APP_KEY, cid)
'http://interface.bilibili.com/v_cdn_play', sign = hashlib.md5((payload + self._BILIBILI_KEY).encode('utf-8')).hexdigest()
cid, query={'appkey': self._APP_KEY, 'cid': cid},
note='Downloading video info page')
err_msg = None video_info = self._download_json(
durls = None 'http://interface.bilibili.com/playurl?%s&sign=%s' % (payload, sign),
info_xml = None video_id, note='Downloading video info page')
try:
info_xml = compat_etree_fromstring(info_xml_str.encode('utf-8'))
except compat_xml_parse_error:
info_json = self._parse_json(info_xml_str, video_id, fatal=False)
err_msg = (info_json or {}).get('error_text')
else:
err_msg = xpath_text(info_xml, './message')
if info_xml is not None:
durls = info_xml.findall('./durl')
if not durls:
if err_msg:
raise ExtractorError('%s said: %s' % (self.IE_NAME, err_msg), expected=True)
else:
raise ExtractorError('No videos found!')
entries = [] entries = []
for durl in durls: for idx, durl in enumerate(video_info['durl']):
size = xpath_text(durl, ['./filesize', './size'])
formats = [{ formats = [{
'url': durl.find('./url').text, 'url': durl['url'],
'filesize': int_or_none(size), 'filesize': int_or_none(durl['size']),
}] }]
for backup_url in durl.findall('./backup_url/url'): for backup_url in durl['backup_url']:
formats.append({ formats.append({
'url': backup_url.text, 'url': backup_url,
# backup URLs have lower priorities # backup URLs have lower priorities
'preference': -2 if 'hd.mp4' in backup_url.text else -3, 'preference': -2 if 'hd.mp4' in backup_url else -3,
}) })
self._sort_formats(formats) self._sort_formats(formats)
entries.append({ entries.append({
'id': '%s_part%s' % (cid, xpath_text(durl, './order')), 'id': '%s_part%s' % (video_id, idx),
'duration': int_or_none(xpath_text(durl, './length'), 1000), 'duration': float_or_none(durl.get('length'), 1000),
'formats': formats, 'formats': formats,
}) })
title = self._html_search_regex('<h1[^>]+title="([^"]+)">', webpage, 'title') title = self._html_search_regex('<h1[^>]+title="([^"]+)">', webpage, 'title')
description = self._html_search_meta('description', webpage) description = self._html_search_meta('description', webpage)
datetime_str = self._html_search_regex( timestamp = unified_timestamp(self._html_search_regex(
r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time', fatal=False) r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time', fatal=False))
timestamp = None
if datetime_str:
timestamp = calendar.timegm(datetime.datetime.strptime(datetime_str, '%Y-%m-%dT%H:%M').timetuple())
# TODO 'view_count' requires deobfuscating Javascript # TODO 'view_count' requires deobfuscating Javascript
info = { info = {
'id': compat_str(cid), 'id': video_id,
'title': title, 'title': title,
'description': description, 'description': description,
'timestamp': timestamp, 'timestamp': timestamp,
'thumbnail': self._html_search_meta('thumbnailUrl', webpage), 'thumbnail': self._html_search_meta('thumbnailUrl', webpage),
'duration': float_or_none(xpath_text(info_xml, './timelength'), scale=1000), 'duration': float_or_none(video_info.get('timelength'), scale=1000),
} }
uploader_mobj = re.search( uploader_mobj = re.search(