diff options
| -rw-r--r-- | youtube_dl/extractor/iqiyi.py | 236 |
1 files changed, 230 insertions, 6 deletions
diff --git a/youtube_dl/extractor/iqiyi.py b/youtube_dl/extractor/iqiyi.py index 9046705a5..541fe7ae3 100644 --- a/youtube_dl/extractor/iqiyi.py +++ b/youtube_dl/extractor/iqiyi.py @@ -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, } |