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[youtubedl] / youtube_dl / extractor / iqiyi.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import hashlib
5 import itertools
6 import re
7 import time
8
9 from .common import InfoExtractor
10 from ..compat import (
11 compat_str,
12 compat_urllib_parse_urlencode,
13 )
14 from ..utils import (
15 clean_html,
16 decode_packed_codes,
17 get_element_by_id,
18 get_element_by_attribute,
19 ExtractorError,
20 ohdave_rsa_encrypt,
21 remove_start,
22 )
23
24
25 def md5_text(text):
26 return hashlib.md5(text.encode('utf-8')).hexdigest()
27
28
29 class IqiyiSDK(object):
30 def __init__(self, target, ip, timestamp):
31 self.target = target
32 self.ip = ip
33 self.timestamp = timestamp
34
35 @staticmethod
36 def split_sum(data):
37 return compat_str(sum(map(lambda p: int(p, 16), list(data))))
38
39 @staticmethod
40 def digit_sum(num):
41 if isinstance(num, int):
42 num = compat_str(num)
43 return compat_str(sum(map(int, num)))
44
45 def even_odd(self):
46 even = self.digit_sum(compat_str(self.timestamp)[::2])
47 odd = self.digit_sum(compat_str(self.timestamp)[1::2])
48 return even, odd
49
50 def preprocess(self, chunksize):
51 self.target = md5_text(self.target)
52 chunks = []
53 for i in range(32 // chunksize):
54 chunks.append(self.target[chunksize * i:chunksize * (i + 1)])
55 if 32 % chunksize:
56 chunks.append(self.target[32 - 32 % chunksize:])
57 return chunks, list(map(int, self.ip.split('.')))
58
59 def mod(self, modulus):
60 chunks, ip = self.preprocess(32)
61 self.target = chunks[0] + ''.join(map(lambda p: compat_str(p % modulus), ip))
62
63 def split(self, chunksize):
64 modulus_map = {
65 4: 256,
66 5: 10,
67 8: 100,
68 }
69
70 chunks, ip = self.preprocess(chunksize)
71 ret = ''
72 for i in range(len(chunks)):
73 ip_part = compat_str(ip[i] % modulus_map[chunksize]) if i < 4 else ''
74 if chunksize == 8:
75 ret += ip_part + chunks[i]
76 else:
77 ret += chunks[i] + ip_part
78 self.target = ret
79
80 def handle_input16(self):
81 self.target = md5_text(self.target)
82 self.target = self.split_sum(self.target[:16]) + self.target + self.split_sum(self.target[16:])
83
84 def handle_input8(self):
85 self.target = md5_text(self.target)
86 ret = ''
87 for i in range(4):
88 part = self.target[8 * i:8 * (i + 1)]
89 ret += self.split_sum(part) + part
90 self.target = ret
91
92 def handleSum(self):
93 self.target = md5_text(self.target)
94 self.target = self.split_sum(self.target) + self.target
95
96 def date(self, scheme):
97 self.target = md5_text(self.target)
98 d = time.localtime(self.timestamp)
99 strings = {
100 'y': compat_str(d.tm_year),
101 'm': '%02d' % d.tm_mon,
102 'd': '%02d' % d.tm_mday,
103 }
104 self.target += ''.join(map(lambda c: strings[c], list(scheme)))
105
106 def split_time_even_odd(self):
107 even, odd = self.even_odd()
108 self.target = odd + md5_text(self.target) + even
109
110 def split_time_odd_even(self):
111 even, odd = self.even_odd()
112 self.target = even + md5_text(self.target) + odd
113
114 def split_ip_time_sum(self):
115 chunks, ip = self.preprocess(32)
116 self.target = compat_str(sum(ip)) + chunks[0] + self.digit_sum(self.timestamp)
117
118 def split_time_ip_sum(self):
119 chunks, ip = self.preprocess(32)
120 self.target = self.digit_sum(self.timestamp) + chunks[0] + compat_str(sum(ip))
121
122
123 class IqiyiSDKInterpreter(object):
124 def __init__(self, sdk_code):
125 self.sdk_code = sdk_code
126
127 def run(self, target, ip, timestamp):
128 self.sdk_code = decode_packed_codes(self.sdk_code)
129
130 functions = re.findall(r'input=([a-zA-Z0-9]+)\(input', self.sdk_code)
131
132 sdk = IqiyiSDK(target, ip, timestamp)
133
134 other_functions = {
135 'handleSum': sdk.handleSum,
136 'handleInput8': sdk.handle_input8,
137 'handleInput16': sdk.handle_input16,
138 'splitTimeEvenOdd': sdk.split_time_even_odd,
139 'splitTimeOddEven': sdk.split_time_odd_even,
140 'splitIpTimeSum': sdk.split_ip_time_sum,
141 'splitTimeIpSum': sdk.split_time_ip_sum,
142 }
143 for function in functions:
144 if re.match(r'mod\d+', function):
145 sdk.mod(int(function[3:]))
146 elif re.match(r'date[ymd]{3}', function):
147 sdk.date(function[4:])
148 elif re.match(r'split\d+', function):
149 sdk.split(int(function[5:]))
150 elif function in other_functions:
151 other_functions[function]()
152 else:
153 raise ExtractorError('Unknown funcion %s' % function)
154
155 return sdk.target
156
157
158 class IqiyiIE(InfoExtractor):
159 IE_NAME = 'iqiyi'
160 IE_DESC = '爱奇艺'
161
162 _VALID_URL = r'https?://(?:(?:[^.]+\.)?iqiyi\.com|www\.pps\.tv)/.+\.html'
163
164 _NETRC_MACHINE = 'iqiyi'
165
166 _TESTS = [{
167 'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
168 # MD5 checksum differs on my machine and Travis CI
169 'info_dict': {
170 'id': '9c1fb1b99d192b21c559e5a1a2cb3c73',
171 'ext': 'mp4',
172 'title': '美国德州空中惊现奇异云团 酷似UFO',
173 }
174 }, {
175 'url': 'http://www.iqiyi.com/v_19rrhnnclk.html',
176 'md5': 'b7dc800a4004b1b57749d9abae0472da',
177 'info_dict': {
178 'id': 'e3f585b550a280af23c98b6cb2be19fb',
179 'ext': 'mp4',
180 # This can be either Simplified Chinese or Traditional Chinese
181 'title': r're:^(?:名侦探柯南 国语版:第752集 迫近灰原秘密的黑影 下篇|名偵探柯南 國語版:第752集 迫近灰原秘密的黑影 下篇)$',
182 },
183 'skip': 'Geo-restricted to China',
184 }, {
185 'url': 'http://www.iqiyi.com/w_19rt6o8t9p.html',
186 'only_matching': True,
187 }, {
188 'url': 'http://www.iqiyi.com/a_19rrhbc6kt.html',
189 'only_matching': True,
190 }, {
191 'url': 'http://yule.iqiyi.com/pcb.html',
192 'info_dict': {
193 'id': '4a0af228fddb55ec96398a364248ed7f',
194 'ext': 'mp4',
195 'title': '第2017-04-21期 女艺人频遭极端粉丝骚扰',
196 },
197 }, {
198 # VIP-only video. The first 2 parts (6 minutes) are available without login
199 # MD5 sums omitted as values are different on Travis CI and my machine
200 'url': 'http://www.iqiyi.com/v_19rrny4w8w.html',
201 'info_dict': {
202 'id': 'f3cf468b39dddb30d676f89a91200dc1',
203 'ext': 'mp4',
204 'title': '泰坦尼克号',
205 },
206 'skip': 'Geo-restricted to China',
207 }, {
208 'url': 'http://www.iqiyi.com/a_19rrhb8ce1.html',
209 'info_dict': {
210 'id': '202918101',
211 'title': '灌篮高手 国语版',
212 },
213 'playlist_count': 101,
214 }, {
215 'url': 'http://www.pps.tv/w_19rrbav0ph.html',
216 'only_matching': True,
217 }]
218
219 _FORMATS_MAP = {
220 '96': 1, # 216p, 240p
221 '1': 2, # 336p, 360p
222 '2': 3, # 480p, 504p
223 '21': 4, # 504p
224 '4': 5, # 720p
225 '17': 5, # 720p
226 '5': 6, # 1072p, 1080p
227 '18': 7, # 1080p
228 }
229
230 def _real_initialize(self):
231 self._login()
232
233 @staticmethod
234 def _rsa_fun(data):
235 # public key extracted from http://static.iqiyi.com/js/qiyiV2/20160129180840/jobs/i18n/i18nIndex.js
236 N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
237 e = 65537
238
239 return ohdave_rsa_encrypt(data, e, N)
240
241 def _login(self):
242 (username, password) = self._get_login_info()
243
244 # No authentication to be performed
245 if not username:
246 return True
247
248 data = self._download_json(
249 'http://kylin.iqiyi.com/get_token', None,
250 note='Get token for logging', errnote='Unable to get token for logging')
251 sdk = data['sdk']
252 timestamp = int(time.time())
253 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' % (
254 username, self._rsa_fun(password.encode('utf-8')))
255
256 interp = IqiyiSDKInterpreter(sdk)
257 sign = interp.run(target, data['ip'], timestamp)
258
259 validation_params = {
260 'target': target,
261 'server': 'BEA3AA1908656AABCCFF76582C4C6660',
262 'token': data['token'],
263 'bird_src': 'f8d91d57af224da7893dd397d52d811a',
264 'sign': sign,
265 'bird_t': timestamp,
266 }
267 validation_result = self._download_json(
268 'http://kylin.iqiyi.com/validate?' + compat_urllib_parse_urlencode(validation_params), None,
269 note='Validate credentials', errnote='Unable to validate credentials')
270
271 MSG_MAP = {
272 'P00107': 'please login via the web interface and enter the CAPTCHA code',
273 'P00117': 'bad username or password',
274 }
275
276 code = validation_result['code']
277 if code != 'A00000':
278 msg = MSG_MAP.get(code)
279 if not msg:
280 msg = 'error %s' % code
281 if validation_result.get('msg'):
282 msg += ': ' + validation_result['msg']
283 self._downloader.report_warning('unable to log in: ' + msg)
284 return False
285
286 return True
287
288 def get_raw_data(self, tvid, video_id):
289 tm = int(time.time() * 1000)
290
291 key = 'd5fb4bd9d50c4be6948c97edd7254b0e'
292 sc = md5_text(compat_str(tm) + key + tvid)
293 params = {
294 'tvid': tvid,
295 'vid': video_id,
296 'src': '76f90cbd92f94a2e925d83e8ccd22cb7',
297 'sc': sc,
298 't': tm,
299 }
300
301 return self._download_json(
302 'http://cache.m.iqiyi.com/jp/tmts/%s/%s/' % (tvid, video_id),
303 video_id, transform_source=lambda s: remove_start(s, 'var tvInfoJs='),
304 query=params, headers=self.geo_verification_headers())
305
306 def _extract_playlist(self, webpage):
307 PAGE_SIZE = 50
308
309 links = re.findall(
310 r'<a[^>]+class="site-piclist_pic_link"[^>]+href="(http://www\.iqiyi\.com/.+\.html)"',
311 webpage)
312 if not links:
313 return
314
315 album_id = self._search_regex(
316 r'albumId\s*:\s*(\d+),', webpage, 'album ID')
317 album_title = self._search_regex(
318 r'data-share-title="([^"]+)"', webpage, 'album title', fatal=False)
319
320 entries = list(map(self.url_result, links))
321
322 # Start from 2 because links in the first page are already on webpage
323 for page_num in itertools.count(2):
324 pagelist_page = self._download_webpage(
325 'http://cache.video.qiyi.com/jp/avlist/%s/%d/%d/' % (album_id, page_num, PAGE_SIZE),
326 album_id,
327 note='Download playlist page %d' % page_num,
328 errnote='Failed to download playlist page %d' % page_num)
329 pagelist = self._parse_json(
330 remove_start(pagelist_page, 'var tvInfoJs='), album_id)
331 vlist = pagelist['data']['vlist']
332 for item in vlist:
333 entries.append(self.url_result(item['vurl']))
334 if len(vlist) < PAGE_SIZE:
335 break
336
337 return self.playlist_result(entries, album_id, album_title)
338
339 def _real_extract(self, url):
340 webpage = self._download_webpage(
341 url, 'temp_id', note='download video page')
342
343 # There's no simple way to determine whether an URL is a playlist or not
344 # Sometimes there are playlist links in individual videos, so treat it
345 # as a single video first
346 tvid = self._search_regex(
347 r'data-(?:player|shareplattrigger)-tvid\s*=\s*[\'"](\d+)', webpage, 'tvid', default=None)
348 if tvid is None:
349 playlist_result = self._extract_playlist(webpage)
350 if playlist_result:
351 return playlist_result
352 raise ExtractorError('Can\'t find any video')
353
354 video_id = self._search_regex(
355 r'data-(?:player|shareplattrigger)-videoid\s*=\s*[\'"]([a-f\d]+)', webpage, 'video_id')
356
357 formats = []
358 for _ in range(5):
359 raw_data = self.get_raw_data(tvid, video_id)
360
361 if raw_data['code'] != 'A00000':
362 if raw_data['code'] == 'A00111':
363 self.raise_geo_restricted()
364 raise ExtractorError('Unable to load data. Error code: ' + raw_data['code'])
365
366 data = raw_data['data']
367
368 for stream in data['vidl']:
369 if 'm3utx' not in stream:
370 continue
371 vd = compat_str(stream['vd'])
372 formats.append({
373 'url': stream['m3utx'],
374 'format_id': vd,
375 'ext': 'mp4',
376 'preference': self._FORMATS_MAP.get(vd, -1),
377 'protocol': 'm3u8_native',
378 })
379
380 if formats:
381 break
382
383 self._sleep(5, video_id)
384
385 self._sort_formats(formats)
386 title = (get_element_by_id('widget-videotitle', webpage) or
387 clean_html(get_element_by_attribute('class', 'mod-play-tit', webpage)) or
388 self._html_search_regex(r'<span[^>]+data-videochanged-title="word"[^>]*>([^<]+)</span>', webpage, 'title'))
389
390 return {
391 'id': video_id,
392 'title': title,
393 'formats': formats,
394 }