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yt-dlp/youtube_dl/extractor/iqiyi.py
2016-07-04 11:25:46 +08:00

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# coding: utf-8
from __future__ import unicode_literals
import hashlib
import itertools
import re
import time
from .common import InfoExtractor
from ..compat import (
compat_str,
compat_urllib_parse_urlencode,
)
from ..utils import (
clean_html,
decode_packed_codes,
get_element_by_id,
get_element_by_attribute,
ExtractorError,
ohdave_rsa_encrypt,
remove_start,
)
def md5_text(text):
return hashlib.md5(text.encode('utf-8')).hexdigest()
class IqiyiSDK(object):
def __init__(self, target, ip, timestamp):
self.target = target
self.ip = ip
self.timestamp = timestamp
@staticmethod
def split_sum(data):
return compat_str(sum(map(lambda p: int(p, 16), list(data))))
@staticmethod
def digit_sum(num):
if isinstance(num, int):
num = compat_str(num)
return compat_str(sum(map(int, num)))
def even_odd(self):
even = self.digit_sum(compat_str(self.timestamp)[::2])
odd = self.digit_sum(compat_str(self.timestamp)[1::2])
return even, odd
def preprocess(self, chunksize):
self.target = md5_text(self.target)
chunks = []
for i in range(32 // chunksize):
chunks.append(self.target[chunksize * i:chunksize * (i + 1)])
if 32 % chunksize:
chunks.append(self.target[32 - 32 % chunksize:])
return chunks, list(map(int, self.ip.split('.')))
def mod(self, modulus):
chunks, ip = self.preprocess(32)
self.target = chunks[0] + ''.join(map(lambda p: compat_str(p % modulus), ip))
def split(self, chunksize):
modulus_map = {
4: 256,
5: 10,
8: 100,
}
chunks, ip = self.preprocess(chunksize)
ret = ''
for i in range(len(chunks)):
ip_part = compat_str(ip[i] % modulus_map[chunksize]) if i < 4 else ''
if chunksize == 8:
ret += ip_part + chunks[i]
else:
ret += chunks[i] + ip_part
self.target = ret
def handle_input16(self):
self.target = md5_text(self.target)
self.target = self.split_sum(self.target[:16]) + self.target + self.split_sum(self.target[16:])
def handle_input8(self):
self.target = md5_text(self.target)
ret = ''
for i in range(4):
part = self.target[8 * i:8 * (i + 1)]
ret += self.split_sum(part) + part
self.target = ret
def handleSum(self):
self.target = md5_text(self.target)
self.target = self.split_sum(self.target) + self.target
def date(self, scheme):
self.target = md5_text(self.target)
d = time.localtime(self.timestamp)
strings = {
'y': compat_str(d.tm_year),
'm': '%02d' % d.tm_mon,
'd': '%02d' % d.tm_mday,
}
self.target += ''.join(map(lambda c: strings[c], list(scheme)))
def split_time_even_odd(self):
even, odd = self.even_odd()
self.target = odd + md5_text(self.target) + even
def split_time_odd_even(self):
even, odd = self.even_odd()
self.target = even + md5_text(self.target) + odd
def split_ip_time_sum(self):
chunks, ip = self.preprocess(32)
self.target = compat_str(sum(ip)) + chunks[0] + self.digit_sum(self.timestamp)
def split_time_ip_sum(self):
chunks, ip = self.preprocess(32)
self.target = self.digit_sum(self.timestamp) + chunks[0] + compat_str(sum(ip))
class IqiyiSDKInterpreter(object):
def __init__(self, sdk_code):
self.sdk_code = sdk_code
def run(self, target, ip, timestamp):
self.sdk_code = decode_packed_codes(self.sdk_code)
functions = re.findall(r'input=([a-zA-Z0-9]+)\(input', self.sdk_code)
sdk = IqiyiSDK(target, ip, timestamp)
other_functions = {
'handleSum': sdk.handleSum,
'handleInput8': sdk.handle_input8,
'handleInput16': sdk.handle_input16,
'splitTimeEvenOdd': sdk.split_time_even_odd,
'splitTimeOddEven': sdk.split_time_odd_even,
'splitIpTimeSum': sdk.split_ip_time_sum,
'splitTimeIpSum': sdk.split_time_ip_sum,
}
for function in functions:
if re.match(r'mod\d+', function):
sdk.mod(int(function[3:]))
elif re.match(r'date[ymd]{3}', function):
sdk.date(function[4:])
elif re.match(r'split\d+', function):
sdk.split(int(function[5:]))
elif function in other_functions:
other_functions[function]()
else:
raise ExtractorError('Unknown funcion %s' % function)
return sdk.target
class IqiyiIE(InfoExtractor):
IE_NAME = 'iqiyi'
IE_DESC = '爱奇艺'
_VALID_URL = r'https?://(?:(?:[^.]+\.)?iqiyi\.com|www\.pps\.tv)/.+\.html'
_NETRC_MACHINE = 'iqiyi'
_TESTS = [{
'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
# MD5 checksum differs on my machine and Travis CI
'info_dict': {
'id': '9c1fb1b99d192b21c559e5a1a2cb3c73',
'ext': 'mp4',
'title': '美国德州空中惊现奇异云团 酷似UFO',
}
}, {
'url': 'http://www.iqiyi.com/v_19rrhnnclk.html',
'md5': '667171934041350c5de3f5015f7f1152',
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb',
'ext': 'mp4',
'title': '名侦探柯南 国语版第752集 迫近灰原秘密的黑影 下篇',
},
'skip': 'Geo-restricted to China',
}, {
'url': 'http://www.iqiyi.com/w_19rt6o8t9p.html',
'only_matching': True,
}, {
'url': 'http://www.iqiyi.com/a_19rrhbc6kt.html',
'only_matching': True,
}, {
'url': 'http://yule.iqiyi.com/pcb.html',
'only_matching': True,
}, {
# VIP-only video. The first 2 parts (6 minutes) are available without login
# MD5 sums omitted as values are different on Travis CI and my machine
'url': 'http://www.iqiyi.com/v_19rrny4w8w.html',
'info_dict': {
'id': 'f3cf468b39dddb30d676f89a91200dc1',
'ext': 'mp4',
'title': '泰坦尼克号',
},
'skip': 'Geo-restricted to China',
}, {
'url': 'http://www.iqiyi.com/a_19rrhb8ce1.html',
'info_dict': {
'id': '202918101',
'title': '灌篮高手 国语版',
},
'playlist_count': 101,
}, {
'url': 'http://www.pps.tv/w_19rrbav0ph.html',
'only_matching': True,
}]
_FORMATS_MAP = {
'96': 1, # 216p, 240p
'1': 2, # 336p, 360p
'2': 3, # 480p, 504p
'21': 4, # 504p
'4': 5, # 720p
'17': 5, # 720p
'5': 6, # 1072p, 1080p
'18': 7, # 1080p
}
def _real_initialize(self):
self._login()
@staticmethod
def _rsa_fun(data):
# public key extracted from http://static.iqiyi.com/js/qiyiV2/20160129180840/jobs/i18n/i18nIndex.js
N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
e = 65537
return ohdave_rsa_encrypt(data, e, N)
def _login(self):
(username, password) = self._get_login_info()
# No authentication to be performed
if not username:
return True
data = self._download_json(
'http://kylin.iqiyi.com/get_token', None,
note='Get token for logging', errnote='Unable to get token for logging')
sdk = data['sdk']
timestamp = int(time.time())
target = '/apis/reglogin/login.action?lang=zh_TW&area_code=null&email=%s&passwd=%s&agenttype=1&from=undefined&keeplogin=0&piccode=&fromurl=&_pos=1' % (
username, self._rsa_fun(password.encode('utf-8')))
interp = IqiyiSDKInterpreter(sdk)
sign = interp.run(target, data['ip'], timestamp)
validation_params = {
'target': target,
'server': 'BEA3AA1908656AABCCFF76582C4C6660',
'token': data['token'],
'bird_src': 'f8d91d57af224da7893dd397d52d811a',
'sign': sign,
'bird_t': timestamp,
}
validation_result = self._download_json(
'http://kylin.iqiyi.com/validate?' + compat_urllib_parse_urlencode(validation_params), None,
note='Validate credentials', errnote='Unable to validate credentials')
MSG_MAP = {
'P00107': 'please login via the web interface and enter the CAPTCHA code',
'P00117': 'bad username or password',
}
code = validation_result['code']
if code != 'A00000':
msg = MSG_MAP.get(code)
if not msg:
msg = 'error %s' % code
if validation_result.get('msg'):
msg += ': ' + validation_result['msg']
self._downloader.report_warning('unable to log in: ' + msg)
return False
return True
def get_raw_data(self, tvid, video_id):
tm = int(time.time() * 1000)
key = 'd5fb4bd9d50c4be6948c97edd7254b0e'
sc = md5_text(compat_str(tm) + key + tvid)
params = {
'tvid': tvid,
'vid': video_id,
'src': '76f90cbd92f94a2e925d83e8ccd22cb7',
'sc': sc,
't': tm,
}
return self._download_json(
'http://cache.m.iqiyi.com/jp/tmts/%s/%s/' % (tvid, video_id),
video_id, transform_source=lambda s: remove_start(s, 'var tvInfoJs='),
query=params, headers=self.geo_verification_headers())
def _extract_playlist(self, webpage):
PAGE_SIZE = 50
links = re.findall(
r'<a[^>]+class="site-piclist_pic_link"[^>]+href="(http://www\.iqiyi\.com/.+\.html)"',
webpage)
if not links:
return
album_id = self._search_regex(
r'albumId\s*:\s*(\d+),', webpage, 'album ID')
album_title = self._search_regex(
r'data-share-title="([^"]+)"', webpage, 'album title', fatal=False)
entries = list(map(self.url_result, links))
# Start from 2 because links in the first page are already on webpage
for page_num in itertools.count(2):
pagelist_page = self._download_webpage(
'http://cache.video.qiyi.com/jp/avlist/%s/%d/%d/' % (album_id, page_num, PAGE_SIZE),
album_id,
note='Download playlist page %d' % page_num,
errnote='Failed to download playlist page %d' % page_num)
pagelist = self._parse_json(
remove_start(pagelist_page, 'var tvInfoJs='), album_id)
vlist = pagelist['data']['vlist']
for item in vlist:
entries.append(self.url_result(item['vurl']))
if len(vlist) < PAGE_SIZE:
break
return self.playlist_result(entries, album_id, album_title)
def _real_extract(self, url):
webpage = self._download_webpage(
url, 'temp_id', note='download video page')
# There's no simple way to determine whether an URL is a playlist or not
# So detect it
playlist_result = self._extract_playlist(webpage)
if playlist_result:
return playlist_result
tvid = self._search_regex(
r'data-player-tvid\s*=\s*[\'"](\d+)', webpage, 'tvid')
video_id = self._search_regex(
r'data-player-videoid\s*=\s*[\'"]([a-f\d]+)', webpage, 'video_id')
formats = []
for _ in range(5):
raw_data = self.get_raw_data(tvid, video_id)
if raw_data['code'] != 'A00000':
if raw_data['code'] == 'A00111':
self.raise_geo_restricted()
raise ExtractorError('Unable to load data. Error code: ' + raw_data['code'])
data = raw_data['data']
for stream in data['vidl']:
if 'm3utx' not in stream:
continue
vd = compat_str(stream['vd'])
formats.append({
'url': stream['m3utx'],
'format_id': vd,
'ext': 'mp4',
'preference': self._FORMATS_MAP.get(vd, -1),
'protocol': 'm3u8_native',
})
if formats:
break
self._sleep(5, video_id)
self._sort_formats(formats)
title = (get_element_by_id('widget-videotitle', webpage) or
clean_html(get_element_by_attribute('class', 'mod-play-tit', webpage)))
return {
'id': video_id,
'title': title,
'formats': formats,
}