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[iqiyi] Implement _login()

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Currently only email login supported
totalwebcasting
Yen Chi Hsuan 8 years ago
parent 5bc880b988
commit 99709cc3f1
1 changed files with 230 additions and 6 deletions
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236
youtube_dl/extractor/iqiyi.py
Unescape Escape View File

@ -5,29 +5,199 @@ import hashlib
import math
import os
import random
import re
import time
import uuid
from .common import InfoExtractor
from ..compat import (
compat_parse_qs,
compat_str,
compat_urllib_parse,
compat_urllib_parse_urlparse,
)
from ..utils import (
ExtractorError,
ohdave_rsa_encrypt,
sanitized_Request,
urlencode_postdata,
url_basename,
)
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):
BASE62_TABLE = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
def __init__(self, sdk_code):
self.sdk_code = sdk_code
@classmethod
def base62(cls, num):
if num == 0:
return '0'
ret = ''
while num:
ret = cls.BASE62_TABLE[num % 62] + ret
num = num // 62
return ret
def decode_eval_codes(self):
self.sdk_code = self.sdk_code[5:-3]
mobj = re.search(
r"'([^']+)',62,(\d+),'([^']+)'\.split\('\|'\),[^,]+,{}",
self.sdk_code)
obfucasted_code, count, symbols = mobj.groups()
count = int(count)
symbols = symbols.split('|')
symbol_table = {}
while count:
count -= 1
b62count = self.base62(count)
symbol_table[b62count] = symbols[count] or b62count
self.sdk_code = re.sub(
r'\b(\w+)\b', lambda mobj: symbol_table[mobj.group(0)],
obfucasted_code)
def run(self, target, ip, timestamp):
self.decode_eval_codes()
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'http://(?:[^.]+\.)?iqiyi\.com/.+\.html'
_NETRC_MACHINE = 'iqiyi'
_TESTS = [{
'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
'md5': '2cb594dc2781e6c941a110d8f358118b',
@ -136,9 +306,63 @@ class IqiyiIE(InfoExtractor):
('10', 'h1'),
]
def _real_initialize(self):
self._login()
@staticmethod
def md5_text(text):
return hashlib.md5(text.encode('utf-8')).hexdigest()
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 _authenticate_vip_video(self, api_video_url, video_id, tvid, _uuid, do_report_warning):
auth_params = {
@ -199,7 +423,7 @@ class IqiyiIE(InfoExtractor):
note='Download path key of segment %d for format %s' % (segment_index + 1, format_id)
)['t']
t = str(int(math.floor(int(tm) / (600.0))))
return self.md5_text(t + mg + x)
return md5_text(t + mg + x)
video_urls_dict = {}
need_vip_warning_report = True
@ -278,16 +502,16 @@ class IqiyiIE(InfoExtractor):
tail = tm + tvid
param = {
'key': 'fvip',
'src': self.md5_text('youtube-dl'),
'src': md5_text('youtube-dl'),
'tvId': tvid,
'vid': video_id,
'vinfo': 1,
'tm': tm,
'enc': self.md5_text(enc_key + tail),
'enc': md5_text(enc_key + tail),
'qyid': _uuid,
'tn': random.random(),
'um': 0,
'authkey': self.md5_text(self.md5_text('') + tail),
'authkey': md5_text(md5_text('') + tail),
'k_tag': 1,
}

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