From 5b6ad8630c4947f3695513c9707406b2d12ae7b8 Mon Sep 17 00:00:00 2001 From: Yen Chi Hsuan Date: Sun, 26 Jun 2016 15:18:32 +0800 Subject: [PATCH] [iqiyi] Partially fix IqiyiIE Use the HTML5 API. Only low-resolution formats available Related: #9839 Thanks @zhangn1985 for the overall algorithm (soimort/you-get#1224) --- youtube_dl/extractor/iqiyi.py | 416 ++++++++++------------------------ 1 file changed, 124 insertions(+), 292 deletions(-) diff --git a/youtube_dl/extractor/iqiyi.py b/youtube_dl/extractor/iqiyi.py index 5dd15e26f..b717ca09c 100644 --- a/youtube_dl/extractor/iqiyi.py +++ b/youtube_dl/extractor/iqiyi.py @@ -1,30 +1,25 @@ # coding: utf-8 from __future__ import unicode_literals +import binascii import hashlib import itertools 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_urlencode, - compat_urllib_parse_urlparse, ) from ..utils import ( decode_packed_codes, ExtractorError, + intlist_to_bytes, ohdave_rsa_encrypt, remove_start, - sanitized_Request, - urlencode_postdata, - url_basename, + urshift, ) @@ -165,77 +160,28 @@ class IqiyiIE(InfoExtractor): IE_NAME = 'iqiyi' IE_DESC = '爱奇艺' - _WORKING = False - _VALID_URL = r'https?://(?:(?:[^.]+\.)?iqiyi\.com|www\.pps\.tv)/.+\.html' _NETRC_MACHINE = 'iqiyi' _TESTS = [{ 'url': 'http://www.iqiyi.com/v_19rrojlavg.html', - 'md5': '2cb594dc2781e6c941a110d8f358118b', + 'md5': '470a6c160618577166db1a7aac5a3606', 'info_dict': { 'id': '9c1fb1b99d192b21c559e5a1a2cb3c73', + 'ext': 'mp4', 'title': '美国德州空中惊现奇异云团 酷似UFO', - 'ext': 'f4v', } }, { 'url': 'http://www.iqiyi.com/v_19rrhnnclk.html', + 'md5': 'f09f0a6a59b2da66a26bf4eda669a4cc', 'info_dict': { 'id': 'e3f585b550a280af23c98b6cb2be19fb', - 'title': '名侦探柯南第752集', + 'ext': 'mp4', + 'title': '名侦探柯南 国语版', }, - 'playlist': [{ - 'info_dict': { - 'id': 'e3f585b550a280af23c98b6cb2be19fb_part1', - 'ext': 'f4v', - 'title': '名侦探柯南第752集', - }, - }, { - 'info_dict': { - 'id': 'e3f585b550a280af23c98b6cb2be19fb_part2', - 'ext': 'f4v', - 'title': '名侦探柯南第752集', - }, - }, { - 'info_dict': { - 'id': 'e3f585b550a280af23c98b6cb2be19fb_part3', - 'ext': 'f4v', - 'title': '名侦探柯南第752集', - }, - }, { - 'info_dict': { - 'id': 'e3f585b550a280af23c98b6cb2be19fb_part4', - 'ext': 'f4v', - 'title': '名侦探柯南第752集', - }, - }, { - 'info_dict': { - 'id': 'e3f585b550a280af23c98b6cb2be19fb_part5', - 'ext': 'f4v', - 'title': '名侦探柯南第752集', - }, - }, { - 'info_dict': { - 'id': 'e3f585b550a280af23c98b6cb2be19fb_part6', - 'ext': 'f4v', - 'title': '名侦探柯南第752集', - }, - }, { - 'info_dict': { - 'id': 'e3f585b550a280af23c98b6cb2be19fb_part7', - 'ext': 'f4v', - 'title': '名侦探柯南第752集', - }, - }, { - 'info_dict': { - 'id': 'e3f585b550a280af23c98b6cb2be19fb_part8', - 'ext': 'f4v', - 'title': '名侦探柯南第752集', - }, - }], 'params': { - 'skip_download': True, + 'cn_verification_proxy': 'http://proxy.uku.im:443/', }, }, { 'url': 'http://www.iqiyi.com/w_19rt6o8t9p.html', @@ -289,13 +235,6 @@ class IqiyiIE(InfoExtractor): ('10', 'h1'), ] - AUTH_API_ERRORS = { - # No preview available (不允许试看鉴权失败) - 'Q00505': 'This video requires a VIP account', - # End of preview time (试看结束鉴权失败) - 'Q00506': 'Needs a VIP account for full video', - } - def _real_initialize(self): self._login() @@ -354,177 +293,101 @@ class IqiyiIE(InfoExtractor): return True - def _authenticate_vip_video(self, api_video_url, video_id, tvid, _uuid, do_report_warning): - auth_params = { - # version and platform hard-coded in com/qiyi/player/core/model/remote/AuthenticationRemote.as - 'version': '2.0', - 'platform': 'b6c13e26323c537d', - 'aid': tvid, + @staticmethod + def _gen_sc(tvid, timestamp): + M = [1732584193, -271733879] + M.extend([~M[0], ~M[1]]) + I_table = [7, 12, 17, 22, 5, 9, 14, 20, 4, 11, 16, 23, 6, 10, 15, 21] + C_base = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8388608, 432] + + def L(n, t): + if t is None: + t = 0 + return trunc(((n >> 1) + (t >> 1) << 1) + (n & 1) + (t & 1)) + + def trunc(n): + n = n % 0x100000000 + if n > 0x7fffffff: + n -= 0x100000000 + return n + + def transform(string, mod): + num = int(string, 16) + return (num >> 8 * (i % 4) & 255 ^ i % mod) << ((a & 3) << 3) + + C = list(C_base) + o = list(M) + k = str(timestamp - 7) + for i in range(13): + a = i + C[a >> 2] |= ord(k[a]) << 8 * (a % 4) + + for i in range(16): + a = i + 13 + start = (i >> 2) * 8 + r = '03967743b643f66763d623d637e30733' + C[a >> 2] |= transform(''.join(reversed(r[start:start + 8])), 7) + + for i in range(16): + a = i + 29 + start = (i >> 2) * 8 + r = '7038766939776a32776a32706b337139' + C[a >> 2] |= transform(r[start:start + 8], 1) + + for i in range(9): + a = i + 45 + if i < len(tvid): + C[a >> 2] |= ord(tvid[i]) << 8 * (a % 4) + + for a in range(64): + i = a + I = i >> 4 + C_index = [i, 5 * i + 1, 3 * i + 5, 7 * i][I] % 16 + urshift(a, 6) + m = L(L(o[0], [ + trunc(o[1] & o[2]) | trunc(~o[1] & o[3]), + trunc(o[3] & o[1]) | trunc(~o[3] & o[2]), + o[1] ^ o[2] ^ o[3], + o[2] ^ trunc(o[1] | ~o[3]) + ][I]), L( + trunc(int(abs(math.sin(i + 1)) * 4294967296)), + C[C_index] if C_index < len(C) else None)) + I = I_table[4 * I + i % 4] + o = [o[3], + L(o[1], trunc(trunc(m << I) | urshift(m, 32 - I))), + o[1], + o[2]] + + new_M = [L(o[0], M[0]), L(o[1], M[1]), L(o[2], M[2]), L(o[3], M[3])] + s = [new_M[a >> 3] >> (1 ^ a & 7) * 4 & 15 for a in range(32)] + return binascii.hexlify(intlist_to_bytes(s))[1::2].decode('ascii') + + def get_raw_data(self, tvid, video_id): + tm = int(time.time() * 1000) + + sc = self._gen_sc(tvid, tm) + params = { + 'platForm': 'h5', + 'rate': 1, 'tvid': tvid, - 'uid': '', - 'deviceId': _uuid, - 'playType': 'main', # XXX: always main? - 'filename': os.path.splitext(url_basename(api_video_url))[0], - } - - qd_items = compat_parse_qs(compat_urllib_parse_urlparse(api_video_url).query) - for key, val in qd_items.items(): - auth_params[key] = val[0] - - auth_req = sanitized_Request( - 'http://api.vip.iqiyi.com/services/ckn.action', - urlencode_postdata(auth_params)) - # iQiyi server throws HTTP 405 error without the following header - auth_req.add_header('Content-Type', 'application/x-www-form-urlencoded') - auth_result = self._download_json( - auth_req, video_id, - note='Downloading video authentication JSON', - errnote='Unable to download video authentication JSON') - - code = auth_result.get('code') - msg = self.AUTH_API_ERRORS.get(code) or auth_result.get('msg') or code - if code == 'Q00506': - if do_report_warning: - self.report_warning(msg) - return False - if 'data' not in auth_result: - if msg is not None: - raise ExtractorError('%s said: %s' % (self.IE_NAME, msg), expected=True) - raise ExtractorError('Unexpected error from Iqiyi auth API') - - return auth_result['data'] - - def construct_video_urls(self, data, video_id, _uuid, tvid): - def do_xor(x, y): - a = y % 3 - if a == 1: - return x ^ 121 - if a == 2: - return x ^ 72 - return x ^ 103 - - def get_encode_code(l): - a = 0 - b = l.split('-') - c = len(b) - s = '' - for i in range(c - 1, -1, -1): - a = do_xor(int(b[c - i - 1], 16), i) - s += chr(a) - return s[::-1] - - def get_path_key(x, format_id, segment_index): - mg = ')(*&^flash@#$%a' - tm = self._download_json( - 'http://data.video.qiyi.com/t?tn=' + str(random.random()), video_id, - 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 md5_text(t + mg + x) - - video_urls_dict = {} - need_vip_warning_report = True - for format_item in data['vp']['tkl'][0]['vs']: - if 0 < int(format_item['bid']) <= 10: - format_id = self.get_format(format_item['bid']) - else: - continue - - video_urls = [] - - video_urls_info = format_item['fs'] - if not format_item['fs'][0]['l'].startswith('/'): - t = get_encode_code(format_item['fs'][0]['l']) - if t.endswith('mp4'): - video_urls_info = format_item['flvs'] - - for segment_index, segment in enumerate(video_urls_info): - vl = segment['l'] - if not vl.startswith('/'): - vl = get_encode_code(vl) - is_vip_video = '/vip/' in vl - filesize = segment['b'] - base_url = data['vp']['du'].split('/') - if not is_vip_video: - key = get_path_key( - vl.split('/')[-1].split('.')[0], format_id, segment_index) - base_url.insert(-1, key) - base_url = '/'.join(base_url) - param = { - 'su': _uuid, - 'qyid': uuid.uuid4().hex, - 'client': '', - 'z': '', - 'bt': '', - 'ct': '', - 'tn': str(int(time.time())) - } - api_video_url = base_url + vl - if is_vip_video: - api_video_url = api_video_url.replace('.f4v', '.hml') - auth_result = self._authenticate_vip_video( - api_video_url, video_id, tvid, _uuid, need_vip_warning_report) - if auth_result is False: - need_vip_warning_report = False - break - param.update({ - 't': auth_result['t'], - # cid is hard-coded in com/qiyi/player/core/player/RuntimeData.as - 'cid': 'afbe8fd3d73448c9', - 'vid': video_id, - 'QY00001': auth_result['u'], - }) - api_video_url += '?' if '?' not in api_video_url else '&' - api_video_url += compat_urllib_parse_urlencode(param) - js = self._download_json( - api_video_url, video_id, - note='Download video info of segment %d for format %s' % (segment_index + 1, format_id)) - video_url = js['l'] - video_urls.append( - (video_url, filesize)) - - video_urls_dict[format_id] = video_urls - return video_urls_dict - - def get_format(self, bid): - matched_format_ids = [_format_id for _bid, _format_id in self._FORMATS_MAP if _bid == str(bid)] - return matched_format_ids[0] if len(matched_format_ids) else None - - def get_bid(self, format_id): - matched_bids = [_bid for _bid, _format_id in self._FORMATS_MAP if _format_id == format_id] - return matched_bids[0] if len(matched_bids) else None - - def get_raw_data(self, tvid, video_id, enc_key, _uuid): - tm = str(int(time.time())) - tail = tm + tvid - param = { - 'key': 'fvip', - 'src': md5_text('youtube-dl'), - 'tvId': tvid, 'vid': video_id, - 'vinfo': 1, - 'tm': tm, - 'enc': md5_text(enc_key + tail), - 'qyid': _uuid, - 'tn': random.random(), - # In iQiyi's flash player, um is set to 1 if there's a logged user - # Some 1080P formats are only available with a logged user. - # Here force um=1 to trick the iQiyi server - 'um': 1, - 'authkey': md5_text(md5_text('') + tail), - 'k_tag': 1, + 'cupid': 'qc_100001_100186', + 'type': 'mp4', + 'nolimit': 0, + 'agenttype': 13, + 'src': 'd846d0c32d664d32b6b54ea48997a589', + 'sc': sc, + 't': tm - 7, + '__jsT': None, } - api_url = 'http://cache.video.qiyi.com/vms' + '?' + \ - compat_urllib_parse_urlencode(param) - raw_data = self._download_json(api_url, video_id) - return raw_data - - def get_enc_key(self, video_id): - # TODO: automatic key extraction - # last update at 2016-01-22 for Zombie::bite - enc_key = '4a1caba4b4465345366f28da7c117d20' - return enc_key + headers = {} + cn_verification_proxy = self._downloader.params.get('cn_verification_proxy') + if cn_verification_proxy: + headers['Ytdl-request-proxy'] = cn_verification_proxy + 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=headers) def _extract_playlist(self, webpage): PAGE_SIZE = 50 @@ -573,58 +436,27 @@ class IqiyiIE(InfoExtractor): 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') - _uuid = uuid.uuid4().hex - - enc_key = self.get_enc_key(video_id) - - raw_data = self.get_raw_data(tvid, video_id, enc_key, _uuid) - - if raw_data['code'] != 'A000000': - raise ExtractorError('Unable to load data. Error code: ' + raw_data['code']) - - data = raw_data['data'] - - title = data['vi']['vn'] - - # generate video_urls_dict - video_urls_dict = self.construct_video_urls( - data, video_id, _uuid, tvid) - - # construct info - entries = [] - for format_id in video_urls_dict: - video_urls = video_urls_dict[format_id] - for i, video_url_info in enumerate(video_urls): - if len(entries) < i + 1: - entries.append({'formats': []}) - entries[i]['formats'].append( - { - 'url': video_url_info[0], - 'filesize': video_url_info[-1], - 'format_id': format_id, - 'preference': int(self.get_bid(format_id)) - } - ) - - for i in range(len(entries)): - self._sort_formats(entries[i]['formats']) - entries[i].update( - { - 'id': '%s_part%d' % (video_id, i + 1), - 'title': title, - } - ) - - if len(entries) > 1: - info = { - '_type': 'multi_video', - 'id': video_id, - 'title': title, - 'entries': entries, - } - else: - info = entries[0] - info['id'] = video_id - info['title'] = title - - return info + + 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'] + + # iQiYi sometimes returns Ads + if not isinstance(data['playInfo'], dict): + self._sleep(5, video_id) + continue + + title = data['playInfo']['an'] + break + + return { + 'id': video_id, + 'title': title, + 'url': data['m3u'], + }