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Merge branch 'youku' of https://github.com/PeterDing/youtube-dl into PeterDing-youku

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Yen Chi Hsuan 2015-06-15 22:36:44 +08:00
commit 8268e94cd4
1 changed files with 192 additions and 85 deletions
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youtube_dl/extractor/youku.py
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@ -1,123 +1,230 @@
# coding: utf-8
from __future__ import unicode_literals
import math
import random
import re
import time
import base64
from .common import InfoExtractor
from ..utils import (
ExtractorError,
)
from ..utils import ExtractorError
from ..compat import compat_urllib_parse
bytes_is_str = (bytes == str) # for compatible
class YoukuIE(InfoExtractor):
IE_NAME = 'youku'
_VALID_URL = r'''(?x)
(?:
http://(?:v|player)\.youku\.com/(?:v_show/id_|player\.php/sid/)|
youku:)
(?P<id>[A-Za-z0-9]+)(?:\.html|/v\.swf|)
'''
_TEST = {
'url': 'http://v.youku.com/v_show/id_XNDgyMDQ2NTQw.html',
'md5': 'ffe3f2e435663dc2d1eea34faeff5b5b',
'params': {
'test': False
},
'info_dict': {
'id': 'XNDgyMDQ2NTQw_part00',
'ext': 'flv',
'title': 'youtube-dl test video "\'/\\ä↭𝕐'
}
'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html',
'md5': '5f3af4192eabacc4501508d54a8cabd7',
'info_dict': {
'id': 'XMTc1ODE5Njcy',
'title': '★Smile﹗♡ Git Fresh -Booty Music舞蹈.',
'ext': 'flv'
}
}
def _gen_sid(self):
nowTime = int(time.time() * 1000)
random1 = random.randint(1000, 1998)
random2 = random.randint(1000, 9999)
def construct_video_urls(self, data1, data2):
# get sid, token
def yk_t(s1, s2):
ls = list(range(256))
t = 0
for i in range(256):
t = (t + ls[i] + ord(s1[i%len(s1)])) % 256
ls[i], ls[t] = ls[t], ls[i]
s = '' if not bytes_is_str else b''
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]
if isinstance(s2[i], int):
s += chr(s2[i] ^ ls[(ls[x]+ls[y]) % 256])
else:
s += chr(ord(s2[i]) ^ ls[(ls[x]+ls[y]) % 256])
return s
return "%d%d%d" % (nowTime, random1, random2)
sid, token = yk_t(
'becaf9be',
base64.b64decode(bytes(data2['ep'], 'ascii')) \
if not bytes_is_str \
else base64.b64decode(data2['ep'])
).split('_')
def _get_file_ID_mix_string(self, seed):
mixed = []
source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890")
seed = float(seed)
for i in range(len(source)):
seed = (seed * 211 + 30031) % 65536
index = math.floor(seed / 65536 * len(source))
mixed.append(source[int(index)])
source.remove(source[int(index)])
# return ''.join(mixed)
return mixed
# get oip
oip = data2['ip']
def _get_file_id(self, fileId, seed):
mixed = self._get_file_ID_mix_string(seed)
ids = fileId.split('*')
realId = []
for ch in ids:
if ch:
realId.append(mixed[int(ch)])
return ''.join(realId)
# get fileid
string_ls = list(
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890')
shuffled_string_ls = []
seed = data1['seed']
N = len(string_ls)
for ii in range(N):
seed = (seed * 0xd3 + 0x754f) % 0x10000
idx = seed * len(string_ls) // 0x10000
shuffled_string_ls.append(string_ls[idx])
del string_ls[idx]
fileid_dict = {}
for format in data1['streamtypes']:
streamfileid = [
int(i) for i in data1['streamfileids'][format].strip('*').split('*')]
fileid = ''.join(
[shuffled_string_ls[i] for i in streamfileid])
fileid_dict[format] = fileid[:8] + '%s' + fileid[10:]
def get_fileid(format, n):
fileid = fileid_dict[format] % hex(int(n))[2:].upper().zfill(2)
return fileid
# get ep
def generate_ep(format, n):
fileid = get_fileid(format, n)
ep_t = yk_t(
'bf7e5f01',
bytes('%s_%s_%s' % (sid, fileid, token), 'ascii') \
if not bytes_is_str \
else ('%s_%s_%s' % (sid, fileid, token))
)
ep = base64.b64encode(
bytes(ep_t, 'latin') \
if not bytes_is_str \
else ep_t
).decode()
return ep
# generate video_urls
video_urls_dict = {}
for format in data1['streamtypes']:
video_urls = []
for dt in data1['segs'][format]:
n = str(int(dt['no']))
param = {
'K': dt['k'],
'hd': self.get_hd(format),
'myp': 0,
'ts': dt['seconds'],
'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 + \
'_' + str(int(n)+1).zfill(2) + \
'/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
def get_hd(self, fm):
hd_id_dict = {
'flv' : '0',
'mp4' : '1',
'hd2' : '2',
'hd3' : '3',
'3gp' : '0',
'3gphd' : '1'
}
return hd_id_dict[fm]
def parse_ext_l(self, fm):
ext_dict = {
'flv' : 'flv',
'mp4' : 'mp4',
'hd2' : 'flv',
'hd3' : 'flv',
'3gp' : 'flv',
'3gphd' : 'mp4'
}
return ext_dict[fm]
def get_format_name(self, fm):
_dict = {
'3gp' : 'h6',
'3gphd' : 'h5',
'flv' : 'h4',
'mp4' : 'h3',
'hd2' : 'h2',
'hd3' : 'h1'
}
return _dict[fm]
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id
# request basic data
data1_url = 'http://v.youku.com/player/getPlayList/VideoIDS/%s' % video_id
data2_url = 'http://v.youku.com/player/getPlayList/VideoIDS/%s/Pf/4/ctype/12/ev/1' % video_id
config = self._download_json(info_url, video_id)
raw_data1 = self._download_json(data1_url, video_id)
raw_data2 = self._download_json(data2_url, video_id)
data1 = raw_data1['data'][0]
data2 = raw_data2['data'][0]
error_code = config['data'][0].get('error_code')
error_code = data1.get('error_code')
if error_code:
# -8 means blocked outside China.
error = config['data'][0].get('error') # Chinese and English, separated by newline.
raise ExtractorError(error or 'Server reported error %i' % error_code,
expected=True)
# Chinese and English, separated by newline.
error = data1.get('error')
raise ExtractorError(
error or 'Server reported error %i' %
error_code,
expected=True)
video_title = config['data'][0]['title']
seed = config['data'][0]['seed']
title = data1['title']
format = self._downloader.params.get('format', None)
supported_format = list(config['data'][0]['streamfileids'].keys())
# generate video_urls_dict
video_urls_dict = self.construct_video_urls(data1, data2)
# TODO proper format selection
if format is None or format == 'best':
if 'hd2' in supported_format:
format = 'hd2'
else:
format = 'flv'
ext = 'flv'
elif format == 'worst':
format = 'mp4'
ext = 'mp4'
else:
format = 'flv'
ext = 'flv'
# construct info
entries = []
for fm in data1['streamtypes']:
#formats = []
video_urls = video_urls_dict[fm]
for i in range(len(video_urls)):
if len(entries) < i+1:
entries.append({'formats': []})
entries[i]['formats'].append(
{
'url': video_urls[i],
'format_id': self.get_format_name(fm),
'ext': self.parse_ext_l(fm),
'filesize': int(data1['segs'][fm][i]['size'])
}
)
fileid = config['data'][0]['streamfileids'][format]
keys = [s['k'] for s in config['data'][0]['segs'][format]]
# segs is usually a dictionary, but an empty *list* if an error occured.
files_info = []
sid = self._gen_sid()
fileid = self._get_file_id(fileid, seed)
# column 8,9 of fileid represent the segment number
# fileid[7:9] should be changed
for index, key in enumerate(keys):
temp_fileid = '%s%02X%s' % (fileid[0:8], index, fileid[10:])
download_url = 'http://k.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
for i in range(len(entries)):
entries[i].update(
{
'id': '_part%d' % (i+1),
'title': title,
}
)
if len(entries) > 1:
info = {
'id': '%s_part%02d' % (video_id, index),
'url': download_url,
'uploader': None,
'upload_date': None,
'title': video_title,
'ext': ext,
'_type': 'multi_video',
'id': video_id,
'title': title,
'entries': entries,
}
files_info.append(info)
else:
info = entries[0]
info['id'] = video_id
return files_info
return info