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[youku] Fix extraction (closes #13191)

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This commit is contained in:
Yen Chi Hsuan
2017-05-26 14:15:46 +08:00
parent b7f8749304
commit 59ed87cbd9
2 changed files with 45 additions and 172 deletions
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3
ChangeLog
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@@ -3,6 +3,9 @@ version <unreleased>
Core
* [postprocessor/ffmpeg] Fix metadata filename handling on Python 2 (#13182)
Extractors
* [youku] Fix extraction (#13191)
version 2017.05.23

208
youtube_dl/extractor/youku.py
View File

@@ -1,7 +1,6 @@
# coding: utf-8
from __future__ import unicode_literals
import base64
import itertools
import random
import re
@@ -9,15 +8,9 @@ import string
import time
from .common import InfoExtractor
from ..compat import (
compat_ord,
compat_str,
compat_urllib_parse_urlencode,
)
from ..utils import (
ExtractorError,
get_element_by_attribute,
try_get,
)
@@ -35,9 +28,9 @@ class YoukuIE(InfoExtractor):
# MD5 is unstable
'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html',
'info_dict': {
'id': 'XMTc1ODE5Njcy_part1',
'id': 'XMTc1ODE5Njcy',
'title': '★Smile﹗♡ Git Fresh -Booty Music舞蹈.',
'ext': 'flv'
'ext': 'mp4',
}
}, {
'url': 'http://player.youku.com/player.php/sid/XNDgyMDQ2NTQw/v.swf',
@@ -46,25 +39,24 @@ class YoukuIE(InfoExtractor):
'url': 'http://v.youku.com/v_show/id_XODgxNjg1Mzk2_ev_1.html',
'info_dict': {
'id': 'XODgxNjg1Mzk2',
'ext': 'mp4',
'title': '武媚娘传奇 85',
},
'playlist_count': 11,
'skip': 'Available in China only',
}, {
'url': 'http://v.youku.com/v_show/id_XMTI1OTczNDM5Mg==.html',
'info_dict': {
'id': 'XMTI1OTczNDM5Mg',
'ext': 'mp4',
'title': '花千骨 04',
},
'playlist_count': 13,
}, {
'url': 'http://v.youku.com/v_show/id_XNjA1NzA2Njgw.html',
'note': 'Video protected with password',
'info_dict': {
'id': 'XNjA1NzA2Njgw',
'ext': 'mp4',
'title': '邢義田复旦讲座之想象中的胡人—从“左衽孔子”说起',
},
'playlist_count': 19,
'params': {
'videopassword': '100600',
},
@@ -73,130 +65,16 @@ class YoukuIE(InfoExtractor):
'url': 'http://v.youku.com/v_show/id_XOTUxMzg4NDMy.html',
'info_dict': {
'id': 'XOTUxMzg4NDMy',
'ext': 'mp4',
'title': '我的世界☆明月庄主☆车震猎杀☆杀人艺术Minecraft',
},
'playlist_count': 6,
}]
def construct_video_urls(self, data):
# get sid, token
def yk_t(s1, s2):
ls = list(range(256))
t = 0
for i in range(256):
t = (t + ls[i] + compat_ord(s1[i % len(s1)])) % 256
ls[i], ls[t] = ls[t], ls[i]
s = bytearray()
x, y = 0, 0
for i in range(len(s2)):
y = (y + 1) % 256
x = (x + ls[y]) % 256
ls[x], ls[y] = ls[y], ls[x]
s.append(compat_ord(s2[i]) ^ ls[(ls[x] + ls[y]) % 256])
return bytes(s)
sid, token = yk_t(
b'becaf9be', base64.b64decode(data['security']['encrypt_string'].encode('ascii'))
).decode('ascii').split('_')
# get oip
oip = data['security']['ip']
fileid_dict = {}
for stream in data['stream']:
if stream.get('channel_type') == 'tail':
continue
format = stream.get('stream_type')
fileid = try_get(
stream, lambda x: x['segs'][0]['fileid'],
compat_str) or stream['stream_fileid']
fileid_dict[format] = fileid
def get_fileid(format, n):
number = hex(int(str(n), 10))[2:].upper()
if len(number) == 1:
number = '0' + number
streamfileids = fileid_dict[format]
fileid = streamfileids[0:8] + number + streamfileids[10:]
return fileid
# get ep
def generate_ep(format, n):
fileid = get_fileid(format, n)
ep_t = yk_t(
b'bf7e5f01',
('%s_%s_%s' % (sid, fileid, token)).encode('ascii')
)
ep = base64.b64encode(ep_t).decode('ascii')
return ep
# generate video_urls
video_urls_dict = {}
for stream in data['stream']:
if stream.get('channel_type') == 'tail':
continue
format = stream.get('stream_type')
video_urls = []
for dt in stream['segs']:
n = str(stream['segs'].index(dt))
param = {
'K': dt['key'],
'hd': self.get_hd(format),
'myp': 0,
'ypp': 0,
'ctype': 12,
'ev': 1,
'token': token,
'oip': oip,
'ep': generate_ep(format, n)
}
video_url = \
'http://k.youku.com/player/getFlvPath/' + \
'sid/' + sid + \
'_00' + \
'/st/' + self.parse_ext_l(format) + \
'/fileid/' + get_fileid(format, n) + '?' + \
compat_urllib_parse_urlencode(param)
video_urls.append(video_url)
video_urls_dict[format] = video_urls
return video_urls_dict
@staticmethod
def get_ysuid():
return '%d%s' % (int(time.time()), ''.join([
random.choice(string.ascii_letters) for i in range(3)]))
def get_hd(self, fm):
hd_id_dict = {
'3gp': '0',
'3gphd': '1',
'flv': '0',
'flvhd': '0',
'mp4': '1',
'mp4hd': '1',
'mp4hd2': '1',
'mp4hd3': '1',
'hd2': '2',
'hd3': '3',
}
return hd_id_dict[fm]
def parse_ext_l(self, fm):
ext_dict = {
'3gp': 'flv',
'3gphd': 'mp4',
'flv': 'flv',
'flvhd': 'flv',
'mp4': 'mp4',
'mp4hd': 'mp4',
'mp4hd2': 'flv',
'mp4hd3': 'flv',
'hd2': 'flv',
'hd3': 'flv',
}
return ext_dict[fm]
def get_format_name(self, fm):
_dict = {
'3gp': 'h6',
@@ -210,32 +88,40 @@ class YoukuIE(InfoExtractor):
'hd2': 'h2',
'hd3': 'h1',
}
return _dict[fm]
return _dict.get(fm)
def _real_extract(self, url):
video_id = self._match_id(url)
self._set_cookie('youku.com', '__ysuid', self.get_ysuid())
def retrieve_data(req_url, note):
headers = {
'Referer': req_url,
}
headers.update(self.geo_verification_headers())
self._set_cookie('youku.com', 'xreferrer', 'http://www.youku.com')
raw_data = self._download_json(req_url, video_id, note=note, headers=headers)
return raw_data['data']
video_password = self._downloader.params.get('videopassword')
_, urlh = self._download_webpage_handle(
'https://log.mmstat.com/eg.js', video_id, 'Retrieving cna info')
# The etag header is '"foobar"'; let's remove the double quotes
cna = urlh.headers['etag'][1:-1]
# request basic data
basic_data_url = 'http://play.youku.com/play/get.json?vid=%s&ct=12' % video_id
if video_password:
basic_data_url += '&pwd=%s' % video_password
basic_data_params = {
'vid': video_id,
'ccode': '0401',
'client_ip': '192.168.1.1',
'utid': cna,
'client_ts': time.time() / 1000,
}
data = retrieve_data(basic_data_url, 'Downloading JSON metadata')
video_password = self._downloader.params.get('videopassword')
if video_password:
basic_data_params['password'] = video_password
headers = {
'Referer': url,
}
headers.update(self.geo_verification_headers())
data = self._download_json(
'https://ups.youku.com/ups/get.json', video_id,
'Downloading JSON metadata',
query=basic_data_params, headers=headers)['data']
error = data.get('error')
if error:
@@ -255,37 +141,21 @@ class YoukuIE(InfoExtractor):
# get video title
title = data['video']['title']
# generate video_urls_dict
video_urls_dict = self.construct_video_urls(data)
# construct info
entries = [{
'id': '%s_part%d' % (video_id, i + 1),
'title': title,
'formats': [],
# some formats are not available for all parts, we have to detect
# which one has all
} for i in range(max(len(v.get('segs')) for v in data['stream']))]
for stream in data['stream']:
if stream.get('channel_type') == 'tail':
continue
fm = stream.get('stream_type')
video_urls = video_urls_dict[fm]
for video_url, seg, entry in zip(video_urls, stream['segs'], entries):
entry['formats'].append({
'url': video_url,
'format_id': self.get_format_name(fm),
'ext': self.parse_ext_l(fm),
'filesize': int(seg['size']),
formats = [{
'url': stream['m3u8_url'],
'format_id': self.get_format_name(stream.get('stream_type')),
'ext': 'mp4',
'protocol': 'm3u8_native',
'filesize': int(stream.get('size')),
'width': stream.get('width'),
'height': stream.get('height'),
})
} for stream in data['stream'] if stream.get('channel_type') != 'tail']
self._sort_formats(formats)
return {
'_type': 'multi_video',
'id': video_id,
'title': title,
'entries': entries,
'formats': formats,
}