]> jfr.im git - yt-dlp.git/blame - youtube_dl/extractor/youtube.py
release 2013.11.02
[yt-dlp.git] / youtube_dl / extractor / youtube.py
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c5e8d7af 1# coding: utf-8
c5e8d7af 2
e0df6211 3import collections
edf3e38e 4import errno
e0df6211 5import io
0ca96d48 6import itertools
c5e8d7af 7import json
c4417ddb 8import os.path
c5e8d7af
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9import re
10import socket
e0df6211
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11import string
12import struct
13import traceback
055e6f36 14import xml.etree.ElementTree
e0df6211 15import zlib
c5e8d7af 16
b05654f0 17from .common import InfoExtractor, SearchInfoExtractor
54d39d8b 18from .subtitles import SubtitlesInfoExtractor
c5e8d7af 19from ..utils import (
edf3e38e 20 compat_chr,
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21 compat_http_client,
22 compat_parse_qs,
23 compat_urllib_error,
24 compat_urllib_parse,
25 compat_urllib_request,
7c61bd36 26 compat_urlparse,
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27 compat_str,
28
29 clean_html,
c38b1e77 30 get_cachedir,
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31 get_element_by_id,
32 ExtractorError,
33 unescapeHTML,
34 unified_strdate,
04cc9617 35 orderedSet,
edf3e38e 36 write_json_file,
c5e8d7af
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37)
38
de7f3446 39class YoutubeBaseInfoExtractor(InfoExtractor):
b2e8bc1b
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40 """Provide base functions for Youtube extractors"""
41 _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
42 _LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
43 _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
44 _NETRC_MACHINE = 'youtube'
45 # If True it will raise an error if no login info is provided
46 _LOGIN_REQUIRED = False
47
48 def report_lang(self):
49 """Report attempt to set language."""
50 self.to_screen(u'Setting language')
51
52 def _set_language(self):
53 request = compat_urllib_request.Request(self._LANG_URL)
54 try:
55 self.report_lang()
56 compat_urllib_request.urlopen(request).read()
57 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
58 self._downloader.report_warning(u'unable to set language: %s' % compat_str(err))
59 return False
60 return True
61
62 def _login(self):
63 (username, password) = self._get_login_info()
64 # No authentication to be performed
65 if username is None:
66 if self._LOGIN_REQUIRED:
67 raise ExtractorError(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True)
68 return False
69
70 request = compat_urllib_request.Request(self._LOGIN_URL)
71 try:
72 login_page = compat_urllib_request.urlopen(request).read().decode('utf-8')
73 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
74 self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err))
75 return False
76
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77 galx = self._search_regex(r'(?s)<input.+?name="GALX".+?value="(.+?)"',
78 login_page, u'Login GALX parameter')
c5e8d7af 79
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80 # Log in
81 login_form_strs = {
82 u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
83 u'Email': username,
84 u'GALX': galx,
85 u'Passwd': password,
86 u'PersistentCookie': u'yes',
87 u'_utf8': u'霱',
88 u'bgresponse': u'js_disabled',
89 u'checkConnection': u'',
90 u'checkedDomains': u'youtube',
91 u'dnConn': u'',
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92 u'pstMsg': u'0',
93 u'rmShown': u'1',
94 u'secTok': u'',
95 u'signIn': u'Sign in',
96 u'timeStmp': u'',
97 u'service': u'youtube',
98 u'uilel': u'3',
99 u'hl': u'en_US',
100 }
101 # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
102 # chokes on unicode
103 login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
104 login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
105 request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
106 try:
107 self.report_login()
108 login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
109 if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
110 self._downloader.report_warning(u'unable to log in: bad username or password')
111 return False
112 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
113 self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
114 return False
115 return True
116
117 def _confirm_age(self):
118 age_form = {
119 'next_url': '/',
120 'action_confirm': 'Confirm',
121 }
122 request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form))
123 try:
124 self.report_age_confirmation()
125 compat_urllib_request.urlopen(request).read().decode('utf-8')
126 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
127 raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err))
128 return True
129
130 def _real_initialize(self):
131 if self._downloader is None:
132 return
133 if not self._set_language():
134 return
135 if not self._login():
136 return
137 self._confirm_age()
c5e8d7af 138
8377574c 139
de7f3446 140class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
0f818663 141 IE_DESC = u'YouTube.com'
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142 _VALID_URL = r"""^
143 (
144 (?:https?://)? # http(s):// (optional)
f4b05232 145 (?:(?:(?:(?:\w+\.)?youtube(?:-nocookie)?\.com/|
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146 tube\.majestyc\.net/|
147 youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains
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148 (?:.*?\#/)? # handle anchor (#/) redirect urls
149 (?: # the various things that can precede the ID:
150 (?:(?:v|embed|e)/) # v/ or embed/ or e/
151 |(?: # or the v= param in all its forms
d741e55a 152 (?:(?:watch|movie)(?:_popup)?(?:\.php)?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
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153 (?:\?|\#!?) # the params delimiter ? or # or #!
154 (?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx)
155 v=
156 )
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157 ))
158 |youtu\.be/ # just youtu.be/xxxx
159 )
c5e8d7af 160 )? # all until now is optional -> you can pass the naked ID
8963d9c2 161 ([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID
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162 (?(1).+)? # if we found the ID, everything can follow
163 $"""
c5e8d7af 164 _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
c5e8d7af 165 # Listed in order of quality
bdc6b3fc 166 _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '36', '17', '13',
96fb5605 167 # Apple HTTP Live Streaming
bdc6b3fc 168 '96', '95', '94', '93', '92', '132', '151',
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169 # 3D
170 '85', '84', '102', '83', '101', '82', '100',
171 # Dash video
172 '138', '137', '248', '136', '247', '135', '246',
173 '245', '244', '134', '243', '133', '242', '160',
174 # Dash audio
175 '141', '172', '140', '171', '139',
1d043b93 176 ]
bdc6b3fc 177 _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '36', '17', '13',
96fb5605 178 # Apple HTTP Live Streaming
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179 '96', '95', '94', '93', '92', '132', '151',
180 # 3D
86fe61c8 181 '85', '102', '84', '101', '83', '100', '82',
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182 # Dash video
183 '138', '248', '137', '247', '136', '246', '245',
184 '244', '135', '243', '134', '242', '133', '160',
185 # Dash audio
186 '172', '141', '171', '140', '139',
1d043b93 187 ]
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188 _video_formats_map = {
189 'flv': ['35', '34', '6', '5'],
190 '3gp': ['36', '17', '13'],
191 'mp4': ['38', '37', '22', '18'],
192 'webm': ['46', '45', '44', '43'],
193 }
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194 _video_extensions = {
195 '13': '3gp',
bdc6b3fc 196 '17': '3gp',
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197 '18': 'mp4',
198 '22': 'mp4',
bdc6b3fc 199 '36': '3gp',
c5e8d7af 200 '37': 'mp4',
d69cf69a 201 '38': 'mp4',
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202 '43': 'webm',
203 '44': 'webm',
204 '45': 'webm',
205 '46': 'webm',
1d043b93 206
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207 # 3d videos
208 '82': 'mp4',
209 '83': 'mp4',
210 '84': 'mp4',
211 '85': 'mp4',
212 '100': 'webm',
213 '101': 'webm',
214 '102': 'webm',
836a086c 215
96fb5605 216 # Apple HTTP Live Streaming
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217 '92': 'mp4',
218 '93': 'mp4',
219 '94': 'mp4',
220 '95': 'mp4',
221 '96': 'mp4',
222 '132': 'mp4',
223 '151': 'mp4',
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224
225 # Dash mp4
226 '133': 'mp4',
227 '134': 'mp4',
228 '135': 'mp4',
229 '136': 'mp4',
230 '137': 'mp4',
231 '138': 'mp4',
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232 '160': 'mp4',
233
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234 # Dash mp4 audio
235 '139': 'm4a',
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236 '140': 'm4a',
237 '141': 'm4a',
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238
239 # Dash webm
240 '171': 'webm',
241 '172': 'webm',
242 '242': 'webm',
243 '243': 'webm',
244 '244': 'webm',
245 '245': 'webm',
246 '246': 'webm',
247 '247': 'webm',
248 '248': 'webm',
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249 }
250 _video_dimensions = {
251 '5': '240x400',
252 '6': '???',
253 '13': '???',
254 '17': '144x176',
255 '18': '360x640',
256 '22': '720x1280',
257 '34': '360x640',
258 '35': '480x854',
bdc6b3fc 259 '36': '240x320',
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260 '37': '1080x1920',
261 '38': '3072x4096',
262 '43': '360x640',
263 '44': '480x854',
264 '45': '720x1280',
265 '46': '1080x1920',
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266 '82': '360p',
267 '83': '480p',
268 '84': '720p',
269 '85': '1080p',
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270 '92': '240p',
271 '93': '360p',
272 '94': '480p',
273 '95': '720p',
274 '96': '1080p',
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275 '100': '360p',
276 '101': '480p',
836a086c 277 '102': '720p',
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278 '132': '240p',
279 '151': '72p',
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280 '133': '240p',
281 '134': '360p',
282 '135': '480p',
283 '136': '720p',
284 '137': '1080p',
285 '138': '>1080p',
286 '139': '48k',
287 '140': '128k',
288 '141': '256k',
289 '160': '192p',
290 '171': '128k',
291 '172': '256k',
292 '242': '240p',
293 '243': '360p',
294 '244': '480p',
295 '245': '480p',
296 '246': '480p',
297 '247': '720p',
298 '248': '1080p',
c5e8d7af 299 }
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300 _special_itags = {
301 '82': '3D',
302 '83': '3D',
303 '84': '3D',
304 '85': '3D',
305 '100': '3D',
306 '101': '3D',
307 '102': '3D',
308 '133': 'DASH Video',
309 '134': 'DASH Video',
310 '135': 'DASH Video',
311 '136': 'DASH Video',
312 '137': 'DASH Video',
313 '138': 'DASH Video',
314 '139': 'DASH Audio',
315 '140': 'DASH Audio',
316 '141': 'DASH Audio',
317 '160': 'DASH Video',
318 '171': 'DASH Audio',
319 '172': 'DASH Audio',
320 '242': 'DASH Video',
321 '243': 'DASH Video',
322 '244': 'DASH Video',
323 '245': 'DASH Video',
324 '246': 'DASH Video',
325 '247': 'DASH Video',
326 '248': 'DASH Video',
c5e8d7af 327 }
836a086c 328
c5e8d7af 329 IE_NAME = u'youtube'
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330 _TESTS = [
331 {
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332 u"url": u"http://www.youtube.com/watch?v=BaW_jenozKc",
333 u"file": u"BaW_jenozKc.mp4",
334 u"info_dict": {
335 u"title": u"youtube-dl test video \"'/\\ä↭𝕐",
336 u"uploader": u"Philipp Hagemeister",
337 u"uploader_id": u"phihag",
338 u"upload_date": u"20121002",
339 u"description": u"test chars: \"'/\\ä↭𝕐\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de ."
2eb88d95 340 }
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341 },
342 {
343 u"url": u"http://www.youtube.com/watch?v=1ltcDfZMA3U",
ea32fbac 344 u"file": u"1ltcDfZMA3U.mp4",
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345 u"note": u"Test VEVO video (#897)",
346 u"info_dict": {
347 u"upload_date": u"20070518",
348 u"title": u"Maps - It Will Find You",
349 u"description": u"Music video by Maps performing It Will Find You.",
350 u"uploader": u"MuteUSA",
351 u"uploader_id": u"MuteUSA"
2eb88d95 352 }
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353 },
354 {
355 u"url": u"http://www.youtube.com/watch?v=UxxajLWwzqY",
356 u"file": u"UxxajLWwzqY.mp4",
357 u"note": u"Test generic use_cipher_signature video (#897)",
358 u"info_dict": {
359 u"upload_date": u"20120506",
360 u"title": u"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]",
2dc59299 361 u"description": u"md5:5b292926389560516e384ac437c0ec07",
45ed795c 362 u"uploader": u"Icona Pop",
0e853ca4 363 u"uploader_id": u"IconaPop"
2eb88d95 364 }
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365 },
366 {
367 u"url": u"https://www.youtube.com/watch?v=07FYdnEawAQ",
368 u"file": u"07FYdnEawAQ.mp4",
369 u"note": u"Test VEVO video with age protection (#956)",
370 u"info_dict": {
371 u"upload_date": u"20130703",
372 u"title": u"Justin Timberlake - Tunnel Vision (Explicit)",
373 u"description": u"md5:64249768eec3bc4276236606ea996373",
374 u"uploader": u"justintimberlakeVEVO",
375 u"uploader_id": u"justintimberlakeVEVO"
376 }
377 },
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378 ]
379
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380
381 @classmethod
382 def suitable(cls, url):
383 """Receives a URL and returns True if suitable for this IE."""
e3ea4790 384 if YoutubePlaylistIE.suitable(url): return False
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385 return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
386
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387 def __init__(self, *args, **kwargs):
388 super(YoutubeIE, self).__init__(*args, **kwargs)
83799698 389 self._player_cache = {}
e0df6211 390
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391 def report_video_webpage_download(self, video_id):
392 """Report attempt to download video webpage."""
393 self.to_screen(u'%s: Downloading video webpage' % video_id)
394
395 def report_video_info_webpage_download(self, video_id):
396 """Report attempt to download video info webpage."""
397 self.to_screen(u'%s: Downloading video info webpage' % video_id)
398
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399 def report_information_extraction(self, video_id):
400 """Report attempt to extract video information."""
401 self.to_screen(u'%s: Extracting video information' % video_id)
402
403 def report_unavailable_format(self, video_id, format):
404 """Report extracted video URL."""
405 self.to_screen(u'%s: Format %s not available' % (video_id, format))
406
407 def report_rtmp_download(self):
408 """Indicate the download will use the RTMP protocol."""
409 self.to_screen(u'RTMP download detected')
410
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411 def _extract_signature_function(self, video_id, player_url, slen):
412 id_m = re.match(r'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$',
83799698 413 player_url)
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414 player_type = id_m.group('ext')
415 player_id = id_m.group('id')
416
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417 # Read from filesystem cache
418 func_id = '%s_%s_%d' % (player_type, player_id, slen)
419 assert os.path.basename(func_id) == func_id
c38b1e77 420 cache_dir = get_cachedir(self._downloader.params)
c4417ddb 421
c3c88a26 422 cache_enabled = cache_dir is not None
f8061589 423 if cache_enabled:
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424 cache_fn = os.path.join(os.path.expanduser(cache_dir),
425 u'youtube-sigfuncs',
426 func_id + '.json')
427 try:
edf3e38e 428 with io.open(cache_fn, 'r', encoding='utf-8') as cachef:
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429 cache_spec = json.load(cachef)
430 return lambda s: u''.join(s[i] for i in cache_spec)
edf3e38e 431 except IOError:
c4417ddb 432 pass # No cache available
83799698 433
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434 if player_type == 'js':
435 code = self._download_webpage(
436 player_url, video_id,
83799698 437 note=u'Downloading %s player %s' % (player_type, player_id),
e0df6211 438 errnote=u'Download of %s failed' % player_url)
83799698 439 res = self._parse_sig_js(code)
c4417ddb 440 elif player_type == 'swf':
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441 urlh = self._request_webpage(
442 player_url, video_id,
83799698 443 note=u'Downloading %s player %s' % (player_type, player_id),
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444 errnote=u'Download of %s failed' % player_url)
445 code = urlh.read()
83799698 446 res = self._parse_sig_swf(code)
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447 else:
448 assert False, 'Invalid player type %r' % player_type
449
f8061589 450 if cache_enabled:
edf3e38e 451 try:
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452 test_string = u''.join(map(compat_chr, range(slen)))
453 cache_res = res(test_string)
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454 cache_spec = [ord(c) for c in cache_res]
455 try:
456 os.makedirs(os.path.dirname(cache_fn))
457 except OSError as ose:
458 if ose.errno != errno.EEXIST:
459 raise
460 write_json_file(cache_spec, cache_fn)
0ca96d48 461 except Exception:
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462 tb = traceback.format_exc()
463 self._downloader.report_warning(
464 u'Writing cache to %r failed: %s' % (cache_fn, tb))
83799698
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465
466 return res
467
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468 def _print_sig_code(self, func, slen):
469 def gen_sig_code(idxs):
470 def _genslice(start, end, step):
471 starts = u'' if start == 0 else str(start)
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472 ends = (u':%d' % (end+step)) if end + step >= 0 else u':'
473 steps = u'' if step == 1 else (u':%d' % step)
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474 return u's[%s%s%s]' % (starts, ends, steps)
475
476 step = None
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477 start = '(Never used)' # Quelch pyflakes warnings - start will be
478 # set as soon as step is set
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479 for i, prev in zip(idxs[1:], idxs[:-1]):
480 if step is not None:
481 if i - prev == step:
482 continue
483 yield _genslice(start, prev, step)
484 step = None
485 continue
486 if i - prev in [-1, 1]:
487 step = i - prev
488 start = prev
489 continue
490 else:
491 yield u's[%d]' % prev
492 if step is None:
493 yield u's[%d]' % i
494 else:
495 yield _genslice(start, i, step)
496
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497 test_string = u''.join(map(compat_chr, range(slen)))
498 cache_res = func(test_string)
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499 cache_spec = [ord(c) for c in cache_res]
500 expr_code = u' + '.join(gen_sig_code(cache_spec))
501 code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code)
f8061589 502 self.to_screen(u'Extracted signature function:\n' + code)
edf3e38e 503
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504 def _parse_sig_js(self, jscode):
505 funcname = self._search_regex(
506 r'signature=([a-zA-Z]+)', jscode,
507 u'Initial JS player signature function name')
508
509 functions = {}
510
511 def argidx(varname):
512 return string.lowercase.index(varname)
513
514 def interpret_statement(stmt, local_vars, allow_recursion=20):
515 if allow_recursion < 0:
0ca96d48 516 raise ExtractorError(u'Recursion limit reached')
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517
518 if stmt.startswith(u'var '):
519 stmt = stmt[len(u'var '):]
520 ass_m = re.match(r'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' +
521 r'=(?P<expr>.*)$', stmt)
522 if ass_m:
523 if ass_m.groupdict().get('index'):
524 def assign(val):
525 lvar = local_vars[ass_m.group('out')]
526 idx = interpret_expression(ass_m.group('index'),
527 local_vars, allow_recursion)
528 assert isinstance(idx, int)
529 lvar[idx] = val
530 return val
531 expr = ass_m.group('expr')
532 else:
533 def assign(val):
534 local_vars[ass_m.group('out')] = val
535 return val
536 expr = ass_m.group('expr')
537 elif stmt.startswith(u'return '):
538 assign = lambda v: v
539 expr = stmt[len(u'return '):]
540 else:
541 raise ExtractorError(
542 u'Cannot determine left side of statement in %r' % stmt)
543
544 v = interpret_expression(expr, local_vars, allow_recursion)
545 return assign(v)
546
547 def interpret_expression(expr, local_vars, allow_recursion):
548 if expr.isdigit():
549 return int(expr)
550
551 if expr.isalpha():
552 return local_vars[expr]
553
554 m = re.match(r'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr)
555 if m:
556 member = m.group('member')
557 val = local_vars[m.group('in')]
558 if member == 'split("")':
559 return list(val)
560 if member == 'join("")':
561 return u''.join(val)
562 if member == 'length':
563 return len(val)
564 if member == 'reverse()':
565 return val[::-1]
566 slice_m = re.match(r'slice\((?P<idx>.*)\)', member)
567 if slice_m:
568 idx = interpret_expression(
569 slice_m.group('idx'), local_vars, allow_recursion-1)
570 return val[idx:]
571
572 m = re.match(
573 r'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr)
574 if m:
575 val = local_vars[m.group('in')]
576 idx = interpret_expression(m.group('idx'), local_vars,
577 allow_recursion-1)
578 return val[idx]
579
580 m = re.match(r'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr)
581 if m:
582 a = interpret_expression(m.group('a'),
583 local_vars, allow_recursion)
584 b = interpret_expression(m.group('b'),
585 local_vars, allow_recursion)
586 return a % b
587
588 m = re.match(
589 r'^(?P<func>[a-zA-Z]+)\((?P<args>[a-z0-9,]+)\)$', expr)
590 if m:
591 fname = m.group('func')
592 if fname not in functions:
593 functions[fname] = extract_function(fname)
594 argvals = [int(v) if v.isdigit() else local_vars[v]
595 for v in m.group('args').split(',')]
596 return functions[fname](argvals)
597 raise ExtractorError(u'Unsupported JS expression %r' % expr)
598
599 def extract_function(funcname):
600 func_m = re.search(
601 r'function ' + re.escape(funcname) +
602 r'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}',
603 jscode)
604 argnames = func_m.group('args').split(',')
605
606 def resf(args):
607 local_vars = dict(zip(argnames, args))
608 for stmt in func_m.group('code').split(';'):
609 res = interpret_statement(stmt, local_vars)
610 return res
611 return resf
612
613 initial_function = extract_function(funcname)
614 return lambda s: initial_function([s])
615
616 def _parse_sig_swf(self, file_contents):
617 if file_contents[1:3] != b'WS':
618 raise ExtractorError(
619 u'Not an SWF file; header is %r' % file_contents[:3])
620 if file_contents[:1] == b'C':
621 content = zlib.decompress(file_contents[8:])
622 else:
623 raise NotImplementedError(u'Unsupported compression format %r' %
624 file_contents[:1])
625
626 def extract_tags(content):
627 pos = 0
628 while pos < len(content):
629 header16 = struct.unpack('<H', content[pos:pos+2])[0]
630 pos += 2
631 tag_code = header16 >> 6
632 tag_len = header16 & 0x3f
633 if tag_len == 0x3f:
634 tag_len = struct.unpack('<I', content[pos:pos+4])[0]
635 pos += 4
636 assert pos+tag_len <= len(content)
637 yield (tag_code, content[pos:pos+tag_len])
638 pos += tag_len
639
640 code_tag = next(tag
641 for tag_code, tag in extract_tags(content)
642 if tag_code == 82)
643 p = code_tag.index(b'\0', 4) + 1
ba552f54 644 code_reader = io.BytesIO(code_tag[p:])
e0df6211
PH
645
646 # Parse ABC (AVM2 ByteCode)
ba552f54
PH
647 def read_int(reader=None):
648 if reader is None:
649 reader = code_reader
e0df6211
PH
650 res = 0
651 shift = 0
652 for _ in range(5):
ba552f54
PH
653 buf = reader.read(1)
654 assert len(buf) == 1
655 b = struct.unpack('<B', buf)[0]
e0df6211
PH
656 res = res | ((b & 0x7f) << shift)
657 if b & 0x80 == 0:
658 break
659 shift += 7
ba552f54
PH
660 return res
661
662 def u30(reader=None):
663 res = read_int(reader)
664 assert res & 0xf0000000 == 0
e0df6211
PH
665 return res
666 u32 = read_int
667
ba552f54
PH
668 def s32(reader=None):
669 v = read_int(reader)
e0df6211
PH
670 if v & 0x80000000 != 0:
671 v = - ((v ^ 0xffffffff) + 1)
ba552f54
PH
672 return v
673
0ca96d48 674 def read_string(reader=None):
ba552f54
PH
675 if reader is None:
676 reader = code_reader
677 slen = u30(reader)
678 resb = reader.read(slen)
679 assert len(resb) == slen
680 return resb.decode('utf-8')
681
682 def read_bytes(count, reader=None):
683 if reader is None:
684 reader = code_reader
685 resb = reader.read(count)
686 assert len(resb) == count
687 return resb
688
689 def read_byte(reader=None):
690 resb = read_bytes(1, reader=reader)
691 res = struct.unpack('<B', resb)[0]
692 return res
e0df6211
PH
693
694 # minor_version + major_version
0ca96d48 695 read_bytes(2 + 2)
e0df6211
PH
696
697 # Constant pool
ba552f54 698 int_count = u30()
e0df6211 699 for _c in range(1, int_count):
0ca96d48 700 s32()
ba552f54 701 uint_count = u30()
e0df6211 702 for _c in range(1, uint_count):
0ca96d48 703 u32()
ba552f54 704 double_count = u30()
0ca96d48 705 read_bytes((double_count-1) * 8)
ba552f54 706 string_count = u30()
e0df6211
PH
707 constant_strings = [u'']
708 for _c in range(1, string_count):
0ca96d48 709 s = read_string()
e0df6211 710 constant_strings.append(s)
ba552f54 711 namespace_count = u30()
e0df6211 712 for _c in range(1, namespace_count):
0ca96d48
PH
713 read_bytes(1) # kind
714 u30() # name
ba552f54 715 ns_set_count = u30()
e0df6211 716 for _c in range(1, ns_set_count):
ba552f54 717 count = u30()
e0df6211 718 for _c2 in range(count):
0ca96d48 719 u30()
ba552f54 720 multiname_count = u30()
e0df6211
PH
721 MULTINAME_SIZES = {
722 0x07: 2, # QName
723 0x0d: 2, # QNameA
724 0x0f: 1, # RTQName
725 0x10: 1, # RTQNameA
726 0x11: 0, # RTQNameL
727 0x12: 0, # RTQNameLA
728 0x09: 2, # Multiname
729 0x0e: 2, # MultinameA
730 0x1b: 1, # MultinameL
731 0x1c: 1, # MultinameLA
732 }
733 multinames = [u'']
734 for _c in range(1, multiname_count):
ba552f54 735 kind = u30()
e0df6211
PH
736 assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind
737 if kind == 0x07:
0ca96d48 738 u30() # namespace_idx
ba552f54 739 name_idx = u30()
e0df6211
PH
740 multinames.append(constant_strings[name_idx])
741 else:
742 multinames.append('[MULTINAME kind: %d]' % kind)
743 for _c2 in range(MULTINAME_SIZES[kind]):
0ca96d48 744 u30()
e0df6211
PH
745
746 # Methods
ba552f54 747 method_count = u30()
e0df6211
PH
748 MethodInfo = collections.namedtuple(
749 'MethodInfo',
750 ['NEED_ARGUMENTS', 'NEED_REST'])
751 method_infos = []
752 for method_id in range(method_count):
ba552f54 753 param_count = u30()
0ca96d48 754 u30() # return type
e0df6211 755 for _ in range(param_count):
0ca96d48
PH
756 u30() # param type
757 u30() # name index (always 0 for youtube)
ba552f54 758 flags = read_byte()
e0df6211
PH
759 if flags & 0x08 != 0:
760 # Options present
ba552f54 761 option_count = u30()
e0df6211 762 for c in range(option_count):
0ca96d48
PH
763 u30() # val
764 read_bytes(1) # kind
e0df6211
PH
765 if flags & 0x80 != 0:
766 # Param names present
767 for _ in range(param_count):
0ca96d48 768 u30() # param name
e0df6211
PH
769 mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0)
770 method_infos.append(mi)
771
772 # Metadata
ba552f54 773 metadata_count = u30()
e0df6211 774 for _c in range(metadata_count):
0ca96d48 775 u30() # name
ba552f54 776 item_count = u30()
e0df6211 777 for _c2 in range(item_count):
0ca96d48
PH
778 u30() # key
779 u30() # value
ba552f54
PH
780
781 def parse_traits_info():
782 trait_name_idx = u30()
783 kind_full = read_byte()
e0df6211
PH
784 kind = kind_full & 0x0f
785 attrs = kind_full >> 4
786 methods = {}
787 if kind in [0x00, 0x06]: # Slot or Const
0ca96d48
PH
788 u30() # Slot id
789 u30() # type_name_idx
ba552f54 790 vindex = u30()
e0df6211 791 if vindex != 0:
0ca96d48 792 read_byte() # vkind
e0df6211 793 elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter
0ca96d48 794 u30() # disp_id
ba552f54 795 method_idx = u30()
e0df6211
PH
796 methods[multinames[trait_name_idx]] = method_idx
797 elif kind == 0x04: # Class
0ca96d48
PH
798 u30() # slot_id
799 u30() # classi
e0df6211 800 elif kind == 0x05: # Function
0ca96d48 801 u30() # slot_id
ba552f54 802 function_idx = u30()
e0df6211
PH
803 methods[function_idx] = multinames[trait_name_idx]
804 else:
805 raise ExtractorError(u'Unsupported trait kind %d' % kind)
806
807 if attrs & 0x4 != 0: # Metadata present
ba552f54 808 metadata_count = u30()
e0df6211 809 for _c3 in range(metadata_count):
0ca96d48 810 u30() # metadata index
e0df6211 811
ba552f54 812 return methods
e0df6211
PH
813
814 # Classes
815 TARGET_CLASSNAME = u'SignatureDecipher'
816 searched_idx = multinames.index(TARGET_CLASSNAME)
817 searched_class_id = None
ba552f54 818 class_count = u30()
e0df6211 819 for class_id in range(class_count):
ba552f54 820 name_idx = u30()
e0df6211
PH
821 if name_idx == searched_idx:
822 # We found the class we're looking for!
823 searched_class_id = class_id
0ca96d48 824 u30() # super_name idx
ba552f54 825 flags = read_byte()
e0df6211 826 if flags & 0x08 != 0: # Protected namespace is present
0ca96d48 827 u30() # protected_ns_idx
ba552f54 828 intrf_count = u30()
e0df6211 829 for _c2 in range(intrf_count):
0ca96d48
PH
830 u30()
831 u30() # iinit
ba552f54 832 trait_count = u30()
e0df6211 833 for _c2 in range(trait_count):
0ca96d48 834 parse_traits_info()
e0df6211
PH
835
836 if searched_class_id is None:
837 raise ExtractorError(u'Target class %r not found' %
838 TARGET_CLASSNAME)
839
840 method_names = {}
841 method_idxs = {}
842 for class_id in range(class_count):
0ca96d48 843 u30() # cinit
ba552f54 844 trait_count = u30()
e0df6211 845 for _c2 in range(trait_count):
ba552f54 846 trait_methods = parse_traits_info()
e0df6211
PH
847 if class_id == searched_class_id:
848 method_names.update(trait_methods.items())
849 method_idxs.update(dict(
850 (idx, name)
851 for name, idx in trait_methods.items()))
852
853 # Scripts
ba552f54 854 script_count = u30()
e0df6211 855 for _c in range(script_count):
0ca96d48 856 u30() # init
ba552f54 857 trait_count = u30()
e0df6211 858 for _c2 in range(trait_count):
0ca96d48 859 parse_traits_info()
e0df6211
PH
860
861 # Method bodies
ba552f54 862 method_body_count = u30()
e0df6211
PH
863 Method = collections.namedtuple('Method', ['code', 'local_count'])
864 methods = {}
865 for _c in range(method_body_count):
ba552f54 866 method_idx = u30()
0ca96d48 867 u30() # max_stack
ba552f54 868 local_count = u30()
0ca96d48
PH
869 u30() # init_scope_depth
870 u30() # max_scope_depth
ba552f54
PH
871 code_length = u30()
872 code = read_bytes(code_length)
e0df6211 873 if method_idx in method_idxs:
ba552f54 874 m = Method(code, local_count)
e0df6211 875 methods[method_idxs[method_idx]] = m
ba552f54 876 exception_count = u30()
e0df6211 877 for _c2 in range(exception_count):
0ca96d48
PH
878 u30() # from
879 u30() # to
880 u30() # target
881 u30() # exc_type
882 u30() # var_name
ba552f54 883 trait_count = u30()
e0df6211 884 for _c2 in range(trait_count):
0ca96d48 885 parse_traits_info()
e0df6211 886
ba552f54 887 assert p + code_reader.tell() == len(code_tag)
e0df6211
PH
888 assert len(methods) == len(method_idxs)
889
890 method_pyfunctions = {}
891
892 def extract_function(func_name):
893 if func_name in method_pyfunctions:
894 return method_pyfunctions[func_name]
895 if func_name not in methods:
896 raise ExtractorError(u'Cannot find function %r' % func_name)
897 m = methods[func_name]
898
899 def resfunc(args):
e0df6211
PH
900 registers = ['(this)'] + list(args) + [None] * m.local_count
901 stack = []
902 coder = io.BytesIO(m.code)
903 while True:
904 opcode = struct.unpack('!B', coder.read(1))[0]
a7177865 905 if opcode == 36: # pushbyte
e0df6211
PH
906 v = struct.unpack('!B', coder.read(1))[0]
907 stack.append(v)
908 elif opcode == 44: # pushstring
909 idx = u30(coder)
910 stack.append(constant_strings[idx])
911 elif opcode == 48: # pushscope
912 # We don't implement the scope register, so we'll just
913 # ignore the popped value
914 stack.pop()
915 elif opcode == 70: # callproperty
916 index = u30(coder)
917 mname = multinames[index]
918 arg_count = u30(coder)
919 args = list(reversed(
920 [stack.pop() for _ in range(arg_count)]))
921 obj = stack.pop()
922 if mname == u'split':
923 assert len(args) == 1
924 assert isinstance(args[0], compat_str)
925 assert isinstance(obj, compat_str)
926 if args[0] == u'':
927 res = list(obj)
928 else:
929 res = obj.split(args[0])
930 stack.append(res)
a7177865
PH
931 elif mname == u'slice':
932 assert len(args) == 1
933 assert isinstance(args[0], int)
934 assert isinstance(obj, list)
935 res = obj[args[0]:]
936 stack.append(res)
937 elif mname == u'join':
938 assert len(args) == 1
939 assert isinstance(args[0], compat_str)
940 assert isinstance(obj, list)
941 res = args[0].join(obj)
942 stack.append(res)
e0df6211
PH
943 elif mname in method_pyfunctions:
944 stack.append(method_pyfunctions[mname](args))
945 else:
946 raise NotImplementedError(
947 u'Unsupported property %r on %r'
948 % (mname, obj))
a7177865
PH
949 elif opcode == 72: # returnvalue
950 res = stack.pop()
951 return res
952 elif opcode == 79: # callpropvoid
953 index = u30(coder)
954 mname = multinames[index]
955 arg_count = u30(coder)
956 args = list(reversed(
957 [stack.pop() for _ in range(arg_count)]))
958 obj = stack.pop()
959 if mname == u'reverse':
960 assert isinstance(obj, list)
961 obj.reverse()
962 else:
963 raise NotImplementedError(
964 u'Unsupported (void) property %r on %r'
965 % (mname, obj))
e0df6211
PH
966 elif opcode == 93: # findpropstrict
967 index = u30(coder)
968 mname = multinames[index]
969 res = extract_function(mname)
970 stack.append(res)
971 elif opcode == 97: # setproperty
972 index = u30(coder)
973 value = stack.pop()
974 idx = stack.pop()
975 obj = stack.pop()
976 assert isinstance(obj, list)
977 assert isinstance(idx, int)
978 obj[idx] = value
979 elif opcode == 98: # getlocal
980 index = u30(coder)
981 stack.append(registers[index])
982 elif opcode == 99: # setlocal
983 index = u30(coder)
984 value = stack.pop()
985 registers[index] = value
986 elif opcode == 102: # getproperty
987 index = u30(coder)
988 pname = multinames[index]
989 if pname == u'length':
990 obj = stack.pop()
991 assert isinstance(obj, list)
992 stack.append(len(obj))
993 else: # Assume attribute access
994 idx = stack.pop()
995 assert isinstance(idx, int)
996 obj = stack.pop()
997 assert isinstance(obj, list)
998 stack.append(obj[idx])
999 elif opcode == 128: # coerce
0ca96d48 1000 u30(coder)
e0df6211
PH
1001 elif opcode == 133: # coerce_s
1002 assert isinstance(stack[-1], (type(None), compat_str))
1003 elif opcode == 164: # modulo
1004 value2 = stack.pop()
1005 value1 = stack.pop()
1006 res = value1 % value2
1007 stack.append(res)
a7177865
PH
1008 elif opcode == 208: # getlocal_0
1009 stack.append(registers[0])
1010 elif opcode == 209: # getlocal_1
1011 stack.append(registers[1])
1012 elif opcode == 210: # getlocal_2
1013 stack.append(registers[2])
1014 elif opcode == 211: # getlocal_3
1015 stack.append(registers[3])
e0df6211
PH
1016 elif opcode == 214: # setlocal_2
1017 registers[2] = stack.pop()
1018 elif opcode == 215: # setlocal_3
1019 registers[3] = stack.pop()
1020 else:
1021 raise NotImplementedError(
1022 u'Unsupported opcode %d' % opcode)
1023
1024 method_pyfunctions[func_name] = resfunc
1025 return resfunc
1026
1027 initial_function = extract_function(u'decipher')
1028 return lambda s: initial_function([s])
1029
83799698 1030 def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
257a2501 1031 """Turn the encrypted s field into a working signature"""
6b37f0be 1032
83799698 1033 if player_url is not None:
e0df6211 1034 try:
7f8ae73a
PH
1035 player_id = (player_url, len(s))
1036 if player_id not in self._player_cache:
83799698 1037 func = self._extract_signature_function(
c4417ddb 1038 video_id, player_url, len(s)
e0df6211 1039 )
7f8ae73a
PH
1040 self._player_cache[player_id] = func
1041 func = self._player_cache[player_id]
edf3e38e
PH
1042 if self._downloader.params.get('youtube_print_sig_code'):
1043 self._print_sig_code(func, len(s))
1044 return func(s)
0ca96d48 1045 except Exception:
e0df6211 1046 tb = traceback.format_exc()
83799698
PH
1047 self._downloader.report_warning(
1048 u'Automatic signature extraction failed: ' + tb)
e0df6211 1049
d2d8f895
PH
1050 self._downloader.report_warning(
1051 u'Warning: Falling back to static signature algorithm')
920de7a2 1052
2f2ffea9
PH
1053 return self._static_decrypt_signature(
1054 s, video_id, player_url, age_gate)
e0df6211 1055
2f2ffea9 1056 def _static_decrypt_signature(self, s, video_id, player_url, age_gate):
e0df6211
PH
1057 if age_gate:
1058 # The videos with age protection use another player, so the
1059 # algorithms can be different.
1060 if len(s) == 86:
1061 return s[2:63] + s[82] + s[64:82] + s[63]
1062
bc4b9008 1063 if len(s) == 93:
1064 return s[86:29:-1] + s[88] + s[28:5:-1]
1065 elif len(s) == 92:
444b1165 1066 return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
38d025b3
JMF
1067 elif len(s) == 91:
1068 return s[84:27:-1] + s[86] + s[26:5:-1]
444b1165
JMF
1069 elif len(s) == 90:
1070 return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
8a9d86a2 1071 elif len(s) == 89:
1072 return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1]
444b1165 1073 elif len(s) == 88:
3e223834 1074 return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28]
be547e1d 1075 elif len(s) == 87:
3a725669 1076 return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:]
be547e1d 1077 elif len(s) == 86:
f2c327fd 1078 return s[80:72:-1] + s[16] + s[71:39:-1] + s[72] + s[38:16:-1] + s[82] + s[15::-1]
be547e1d 1079 elif len(s) == 85:
6ae8ee3f 1080 return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84]
be547e1d 1081 elif len(s) == 84:
6f56389b 1082 return s[78:70:-1] + s[14] + s[69:37:-1] + s[70] + s[36:14:-1] + s[80] + s[:14][::-1]
be547e1d 1083 elif len(s) == 83:
920de7a2 1084 return s[80:63:-1] + s[0] + s[62:0:-1] + s[63]
be547e1d 1085 elif len(s) == 82:
c21315f2 1086 return s[80:37:-1] + s[7] + s[36:7:-1] + s[0] + s[6:0:-1] + s[37]
be547e1d 1087 elif len(s) == 81:
aedd6bb9 1088 return s[56] + s[79:56:-1] + s[41] + s[55:41:-1] + s[80] + s[40:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
066090dd
JMF
1089 elif len(s) == 80:
1090 return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80]
5c468ca8
JMF
1091 elif len(s) == 79:
1092 return s[54] + s[77:54:-1] + s[39] + s[53:39:-1] + s[78] + s[38:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
be547e1d
PH
1093
1094 else:
1095 raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
c5e8d7af 1096
de7f3446 1097 def _get_available_subtitles(self, video_id):
de7f3446 1098 try:
7fad1c63
JMF
1099 sub_list = self._download_webpage(
1100 'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1101 video_id, note=False)
1102 except ExtractorError as err:
de7f3446
JMF
1103 self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
1104 return {}
1105 lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
1106
1107 sub_lang_list = {}
1108 for l in lang_list:
1109 lang = l[1]
1110 params = compat_urllib_parse.urlencode({
1111 'lang': lang,
1112 'v': video_id,
1113 'fmt': self._downloader.params.get('subtitlesformat'),
8eddf3e9 1114 'name': l[0].encode('utf-8'),
de7f3446
JMF
1115 })
1116 url = u'http://www.youtube.com/api/timedtext?' + params
1117 sub_lang_list[lang] = url
1118 if not sub_lang_list:
1119 self._downloader.report_warning(u'video doesn\'t have subtitles')
1120 return {}
1121 return sub_lang_list
1122
055e6f36 1123 def _get_available_automatic_caption(self, video_id, webpage):
de7f3446
JMF
1124 """We need the webpage for getting the captions url, pass it as an
1125 argument to speed up the process."""
de7f3446
JMF
1126 sub_format = self._downloader.params.get('subtitlesformat')
1127 self.to_screen(u'%s: Looking for automatic captions' % video_id)
1128 mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
055e6f36 1129 err_msg = u'Couldn\'t find automatic captions for %s' % video_id
de7f3446
JMF
1130 if mobj is None:
1131 self._downloader.report_warning(err_msg)
1132 return {}
1133 player_config = json.loads(mobj.group(1))
1134 try:
1135 args = player_config[u'args']
1136 caption_url = args[u'ttsurl']
1137 timestamp = args[u'timestamp']
055e6f36
JMF
1138 # We get the available subtitles
1139 list_params = compat_urllib_parse.urlencode({
1140 'type': 'list',
1141 'tlangs': 1,
1142 'asrs': 1,
de7f3446 1143 })
055e6f36
JMF
1144 list_url = caption_url + '&' + list_params
1145 list_page = self._download_webpage(list_url, video_id)
1146 caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8'))
e3dc22ca 1147 original_lang_node = caption_list.find('track')
f6a54188 1148 if original_lang_node is None or original_lang_node.attrib.get('kind') != 'asr' :
e3dc22ca
JMF
1149 self._downloader.report_warning(u'Video doesn\'t have automatic captions')
1150 return {}
1151 original_lang = original_lang_node.attrib['lang_code']
055e6f36
JMF
1152
1153 sub_lang_list = {}
1154 for lang_node in caption_list.findall('target'):
1155 sub_lang = lang_node.attrib['lang_code']
1156 params = compat_urllib_parse.urlencode({
1157 'lang': original_lang,
1158 'tlang': sub_lang,
1159 'fmt': sub_format,
1160 'ts': timestamp,
1161 'kind': 'asr',
1162 })
1163 sub_lang_list[sub_lang] = caption_url + '&' + params
1164 return sub_lang_list
de7f3446
JMF
1165 # An extractor error can be raise by the download process if there are
1166 # no automatic captions but there are subtitles
1167 except (KeyError, ExtractorError):
1168 self._downloader.report_warning(err_msg)
1169 return {}
1170
c5e8d7af
PH
1171 def _print_formats(self, formats):
1172 print('Available formats:')
1173 for x in formats:
03cc7c20
JMF
1174 print('%s\t:\t%s\t[%s]%s' %(x, self._video_extensions.get(x, 'flv'),
1175 self._video_dimensions.get(x, '???'),
836a086c 1176 ' ('+self._special_itags[x]+')' if x in self._special_itags else ''))
c5e8d7af
PH
1177
1178 def _extract_id(self, url):
1179 mobj = re.match(self._VALID_URL, url, re.VERBOSE)
1180 if mobj is None:
1181 raise ExtractorError(u'Invalid URL: %s' % url)
1182 video_id = mobj.group(2)
1183 return video_id
1184
1d043b93
JMF
1185 def _get_video_url_list(self, url_map):
1186 """
1187 Transform a dictionary in the format {itag:url} to a list of (itag, url)
1188 with the requested formats.
1189 """
1190 req_format = self._downloader.params.get('format', None)
1191 format_limit = self._downloader.params.get('format_limit', None)
1192 available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
1193 if format_limit is not None and format_limit in available_formats:
1194 format_list = available_formats[available_formats.index(format_limit):]
1195 else:
1196 format_list = available_formats
1197 existing_formats = [x for x in format_list if x in url_map]
1198 if len(existing_formats) == 0:
1199 raise ExtractorError(u'no known formats available for video')
1200 if self._downloader.params.get('listformats', None):
1201 self._print_formats(existing_formats)
1202 return
1203 if req_format is None or req_format == 'best':
1204 video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
1205 elif req_format == 'worst':
1206 video_url_list = [(existing_formats[-1], url_map[existing_formats[-1]])] # worst quality
1207 elif req_format in ('-1', 'all'):
1208 video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
1209 else:
1210 # Specific formats. We pick the first in a slash-delimeted sequence.
bdc6b3fc
AZ
1211 # Format can be specified as itag or 'mp4' or 'flv' etc. We pick the highest quality
1212 # available in the specified format. For example,
1213 # if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
1214 # if '1/mp4/3/4' is requested and '1' and '5' (is a mp4) are available, we pick '1'.
1215 # if '1/mp4/3/4' is requested and '4' and '5' (is a mp4) are available, we pick '5'.
1d043b93
JMF
1216 req_formats = req_format.split('/')
1217 video_url_list = None
1218 for rf in req_formats:
1219 if rf in url_map:
1220 video_url_list = [(rf, url_map[rf])]
1221 break
bdc6b3fc
AZ
1222 if rf in self._video_formats_map:
1223 for srf in self._video_formats_map[rf]:
1224 if srf in url_map:
1225 video_url_list = [(srf, url_map[srf])]
1226 break
1227 else:
1228 continue
1229 break
1d043b93
JMF
1230 if video_url_list is None:
1231 raise ExtractorError(u'requested format not available')
1232 return video_url_list
1233
1234 def _extract_from_m3u8(self, manifest_url, video_id):
1235 url_map = {}
1236 def _get_urls(_manifest):
1237 lines = _manifest.split('\n')
1238 urls = filter(lambda l: l and not l.startswith('#'),
1239 lines)
1240 return urls
1241 manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest')
1242 formats_urls = _get_urls(manifest)
1243 for format_url in formats_urls:
890f62e8 1244 itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag')
1d043b93
JMF
1245 url_map[itag] = format_url
1246 return url_map
1247
1fb07d10
JG
1248 def _extract_annotations(self, video_id):
1249 url = 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id
1250 return self._download_webpage(url, video_id, note=u'Searching for annotations.', errnote=u'Unable to download video annotations.')
1251
c5e8d7af
PH
1252 def _real_extract(self, url):
1253 # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1254 mobj = re.search(self._NEXT_URL_RE, url)
1255 if mobj:
1256 url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
1257 video_id = self._extract_id(url)
1258
1259 # Get video webpage
1260 self.report_video_webpage_download(video_id)
1261 url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
1262 request = compat_urllib_request.Request(url)
1263 try:
1264 video_webpage_bytes = compat_urllib_request.urlopen(request).read()
1265 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
1266 raise ExtractorError(u'Unable to download video webpage: %s' % compat_str(err))
1267
1268 video_webpage = video_webpage_bytes.decode('utf-8', 'ignore')
1269
1270 # Attempt to extract SWF player URL
e0df6211 1271 mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
c5e8d7af
PH
1272 if mobj is not None:
1273 player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1274 else:
1275 player_url = None
1276
1277 # Get video info
1278 self.report_video_info_webpage_download(video_id)
c108eb73
JMF
1279 if re.search(r'player-age-gate-content">', video_webpage) is not None:
1280 self.report_age_confirmation()
1281 age_gate = True
1282 # We simulate the access to the video from www.youtube.com/v/{video_id}
1283 # this can be viewed without login into Youtube
1284 data = compat_urllib_parse.urlencode({'video_id': video_id,
1285 'el': 'embedded',
1286 'gl': 'US',
1287 'hl': 'en',
1288 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1289 'asv': 3,
1290 'sts':'1588',
1291 })
1292 video_info_url = 'https://www.youtube.com/get_video_info?' + data
c5e8d7af
PH
1293 video_info_webpage = self._download_webpage(video_info_url, video_id,
1294 note=False,
1295 errnote='unable to download video info webpage')
1296 video_info = compat_parse_qs(video_info_webpage)
c108eb73
JMF
1297 else:
1298 age_gate = False
1299 for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
1300 video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
1301 % (video_id, el_type))
1302 video_info_webpage = self._download_webpage(video_info_url, video_id,
1303 note=False,
1304 errnote='unable to download video info webpage')
1305 video_info = compat_parse_qs(video_info_webpage)
1306 if 'token' in video_info:
1307 break
c5e8d7af
PH
1308 if 'token' not in video_info:
1309 if 'reason' in video_info:
9a82b238 1310 raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0], expected=True)
c5e8d7af
PH
1311 else:
1312 raise ExtractorError(u'"token" parameter not in video info for unknown reason')
1313
1314 # Check for "rental" videos
1315 if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1316 raise ExtractorError(u'"rental" videos not supported')
1317
1318 # Start extracting information
1319 self.report_information_extraction(video_id)
1320
1321 # uploader
1322 if 'author' not in video_info:
1323 raise ExtractorError(u'Unable to extract uploader name')
1324 video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
1325
1326 # uploader_id
1327 video_uploader_id = None
1328 mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
1329 if mobj is not None:
1330 video_uploader_id = mobj.group(1)
1331 else:
1332 self._downloader.report_warning(u'unable to extract uploader nickname')
1333
1334 # title
a8c6b241
PH
1335 if 'title' in video_info:
1336 video_title = compat_urllib_parse.unquote_plus(video_info['title'][0])
1337 else:
1338 self._downloader.report_warning(u'Unable to extract video title')
1339 video_title = u'_'
c5e8d7af
PH
1340
1341 # thumbnail image
7763b04e
JMF
1342 # We try first to get a high quality image:
1343 m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
1344 video_webpage, re.DOTALL)
1345 if m_thumb is not None:
1346 video_thumbnail = m_thumb.group(1)
1347 elif 'thumbnail_url' not in video_info:
c5e8d7af 1348 self._downloader.report_warning(u'unable to extract video thumbnail')
f490e77e 1349 video_thumbnail = None
c5e8d7af
PH
1350 else: # don't panic if we can't find it
1351 video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
1352
1353 # upload date
1354 upload_date = None
1355 mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL)
1356 if mobj is not None:
1357 upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
1358 upload_date = unified_strdate(upload_date)
1359
1360 # description
1361 video_description = get_element_by_id("eow-description", video_webpage)
1362 if video_description:
1363 video_description = clean_html(video_description)
1364 else:
1365 fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
1366 if fd_mobj:
1367 video_description = unescapeHTML(fd_mobj.group(1))
1368 else:
1369 video_description = u''
1370
1371 # subtitles
d82134c3 1372 video_subtitles = self.extract_subtitles(video_id, video_webpage)
c5e8d7af 1373
c5e8d7af 1374 if self._downloader.params.get('listsubtitles', False):
d665f8d3 1375 self._list_available_subtitles(video_id, video_webpage)
c5e8d7af
PH
1376 return
1377
1378 if 'length_seconds' not in video_info:
1379 self._downloader.report_warning(u'unable to extract video duration')
1380 video_duration = ''
1381 else:
1382 video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
1383
1fb07d10
JG
1384 # annotations
1385 video_annotations = None
1386 if self._downloader.params.get('writeannotations', False):
1387 video_annotations = self._extract_annotations(video_id)
1388
c5e8d7af 1389 # Decide which formats to download
c5e8d7af
PH
1390
1391 try:
1392 mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
50be92c1
PH
1393 if not mobj:
1394 raise ValueError('Could not find vevo ID')
c5e8d7af
PH
1395 info = json.loads(mobj.group(1))
1396 args = info['args']
7ce7e394
JMF
1397 # Easy way to know if the 's' value is in url_encoded_fmt_stream_map
1398 # this signatures are encrypted
44d46655 1399 if 'url_encoded_fmt_stream_map' not in args:
f10503db 1400 raise ValueError(u'No stream_map present') # caught below
00fe14fc
JMF
1401 re_signature = re.compile(r'[&,]s=')
1402 m_s = re_signature.search(args['url_encoded_fmt_stream_map'])
7ce7e394
JMF
1403 if m_s is not None:
1404 self.to_screen(u'%s: Encrypted signatures detected.' % video_id)
c5e8d7af 1405 video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']]
00fe14fc 1406 m_s = re_signature.search(args.get('adaptive_fmts', u''))
b7a68384 1407 if m_s is not None:
00fe14fc
JMF
1408 if 'adaptive_fmts' in video_info:
1409 video_info['adaptive_fmts'][0] += ',' + args['adaptive_fmts']
37b6d5f6 1410 else:
00fe14fc 1411 video_info['adaptive_fmts'] = [args['adaptive_fmts']]
c5e8d7af
PH
1412 except ValueError:
1413 pass
1414
1415 if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1416 self.report_rtmp_download()
1417 video_url_list = [(None, video_info['conn'][0])]
00fe14fc
JMF
1418 elif len(video_info.get('url_encoded_fmt_stream_map', [])) >= 1 or len(video_info.get('adaptive_fmts', [])) >= 1:
1419 encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts',[''])[0]
1420 if 'rtmpe%3Dyes' in encoded_url_map:
a7055eb9 1421 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True)
c5e8d7af 1422 url_map = {}
00fe14fc 1423 for url_data_str in encoded_url_map.split(','):
c5e8d7af
PH
1424 url_data = compat_parse_qs(url_data_str)
1425 if 'itag' in url_data and 'url' in url_data:
1426 url = url_data['url'][0]
1427 if 'sig' in url_data:
1428 url += '&signature=' + url_data['sig'][0]
1429 elif 's' in url_data:
e0df6211 1430 encrypted_sig = url_data['s'][0]
769fda3c 1431 if self._downloader.params.get('verbose'):
c108eb73 1432 if age_gate:
bdde940e
PH
1433 if player_url is None:
1434 player_version = 'unknown'
1435 else:
1436 player_version = self._search_regex(
1437 r'-(.+)\.swf$', player_url,
1438 u'flash player', fatal=False)
e0df6211 1439 player_desc = 'flash player %s' % player_version
c108eb73 1440 else:
83799698
PH
1441 player_version = self._search_regex(
1442 r'html5player-(.+?)\.js', video_webpage,
c108eb73 1443 'html5 player', fatal=False)
e0df6211
PH
1444 player_desc = u'html5 player %s' % player_version
1445
1446 parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.'))
5a76c651 1447 self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' %
e0df6211
PH
1448 (len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc))
1449
83799698 1450 if not age_gate:
e0df6211
PH
1451 jsplayer_url_json = self._search_regex(
1452 r'"assets":.+?"js":\s*("[^"]+")',
1453 video_webpage, u'JS player URL')
83799698 1454 player_url = json.loads(jsplayer_url_json)
e0df6211 1455
83799698
PH
1456 signature = self._decrypt_signature(
1457 encrypted_sig, video_id, player_url, age_gate)
c5e8d7af
PH
1458 url += '&signature=' + signature
1459 if 'ratebypass' not in url:
1460 url += '&ratebypass=yes'
1461 url_map[url_data['itag'][0]] = url
1d043b93
JMF
1462 video_url_list = self._get_video_url_list(url_map)
1463 if not video_url_list:
c5e8d7af 1464 return
1d043b93
JMF
1465 elif video_info.get('hlsvp'):
1466 manifest_url = video_info['hlsvp'][0]
1467 url_map = self._extract_from_m3u8(manifest_url, video_id)
1468 video_url_list = self._get_video_url_list(url_map)
1469 if not video_url_list:
1470 return
1471
c5e8d7af 1472 else:
9abb3204 1473 raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
c5e8d7af
PH
1474
1475 results = []
600cc1a4 1476 for itag, video_real_url in video_url_list:
c5e8d7af 1477 # Extension
600cc1a4 1478 video_extension = self._video_extensions.get(itag, 'flv')
c5e8d7af 1479
600cc1a4
JMF
1480 video_format = '{0} - {1}{2}'.format(itag if itag else video_extension,
1481 self._video_dimensions.get(itag, '???'),
1482 ' ('+self._special_itags[itag]+')' if itag in self._special_itags else '')
c5e8d7af
PH
1483
1484 results.append({
1485 'id': video_id,
1486 'url': video_real_url,
1487 'uploader': video_uploader,
1488 'uploader_id': video_uploader_id,
1489 'upload_date': upload_date,
1490 'title': video_title,
1491 'ext': video_extension,
1492 'format': video_format,
600cc1a4 1493 'format_id': itag,
c5e8d7af
PH
1494 'thumbnail': video_thumbnail,
1495 'description': video_description,
1496 'player_url': player_url,
1497 'subtitles': video_subtitles,
8dbe9899 1498 'duration': video_duration,
cfadd183 1499 'age_limit': 18 if age_gate else 0,
1fb07d10 1500 'annotations': video_annotations
c5e8d7af
PH
1501 })
1502 return results
1503
1504class YoutubePlaylistIE(InfoExtractor):
0f818663 1505 IE_DESC = u'YouTube.com playlists'
c5e8d7af
PH
1506 _VALID_URL = r"""(?:
1507 (?:https?://)?
1508 (?:\w+\.)?
1509 youtube\.com/
1510 (?:
1511 (?:course|view_play_list|my_playlists|artist|playlist|watch)
1512 \? (?:.*?&)*? (?:p|a|list)=
1513 | p/
1514 )
c626a3d9 1515 ((?:PL|EC|UU|FL)?[0-9A-Za-z-_]{10,})
c5e8d7af
PH
1516 .*
1517 |
c626a3d9 1518 ((?:PL|EC|UU|FL)[0-9A-Za-z-_]{10,})
c5e8d7af
PH
1519 )"""
1520 _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none'
1521 _MAX_RESULTS = 50
1522 IE_NAME = u'youtube:playlist'
1523
1524 @classmethod
1525 def suitable(cls, url):
1526 """Receives a URL and returns True if suitable for this IE."""
1527 return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
1528
1529 def _real_extract(self, url):
1530 # Extract playlist id
1531 mobj = re.match(self._VALID_URL, url, re.VERBOSE)
1532 if mobj is None:
1533 raise ExtractorError(u'Invalid URL: %s' % url)
47192f92
FV
1534 playlist_id = mobj.group(1) or mobj.group(2)
1535
1536 # Check if it's a video-specific URL
7c61bd36 1537 query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
47192f92
FV
1538 if 'v' in query_dict:
1539 video_id = query_dict['v'][0]
1540 if self._downloader.params.get('noplaylist'):
1541 self.to_screen(u'Downloading just video %s because of --no-playlist' % video_id)
1542 return self.url_result('https://www.youtube.com/watch?v=' + video_id, 'Youtube')
1543 else:
1544 self.to_screen(u'Downloading playlist PL%s - add --no-playlist to just download video %s' % (playlist_id, video_id))
c5e8d7af
PH
1545
1546 # Download playlist videos from API
c5e8d7af
PH
1547 videos = []
1548
755eb032 1549 for page_num in itertools.count(1):
771822eb
JMF
1550 start_index = self._MAX_RESULTS * (page_num - 1) + 1
1551 if start_index >= 1000:
1552 self._downloader.report_warning(u'Max number of results reached')
1553 break
1554 url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, start_index)
c5e8d7af
PH
1555 page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
1556
1557 try:
1558 response = json.loads(page)
1559 except ValueError as err:
1560 raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
1561
1562 if 'feed' not in response:
1563 raise ExtractorError(u'Got a malformed response from YouTube API')
1564 playlist_title = response['feed']['title']['$t']
1565 if 'entry' not in response['feed']:
1566 # Number of videos is a multiple of self._MAX_RESULTS
1567 break
1568
1569 for entry in response['feed']['entry']:
1570 index = entry['yt$position']['$t']
c215217e
JMF
1571 if 'media$group' in entry and 'yt$videoid' in entry['media$group']:
1572 videos.append((
1573 index,
1574 'https://www.youtube.com/watch?v=' + entry['media$group']['yt$videoid']['$t']
1575 ))
c5e8d7af 1576
c5e8d7af
PH
1577 videos = [v[1] for v in sorted(videos)]
1578
20c3893f 1579 url_results = [self.url_result(vurl, 'Youtube') for vurl in videos]
c5e8d7af
PH
1580 return [self.playlist_result(url_results, playlist_id, playlist_title)]
1581
1582
1583class YoutubeChannelIE(InfoExtractor):
0f818663 1584 IE_DESC = u'YouTube.com channels'
c5e8d7af
PH
1585 _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)"
1586 _TEMPLATE_URL = 'http://www.youtube.com/channel/%s/videos?sort=da&flow=list&view=0&page=%s&gl=US&hl=en'
1587 _MORE_PAGES_INDICATOR = 'yt-uix-load-more'
252580c5 1588 _MORE_PAGES_URL = 'http://www.youtube.com/c4_browse_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
c5e8d7af
PH
1589 IE_NAME = u'youtube:channel'
1590
1591 def extract_videos_from_page(self, page):
1592 ids_in_page = []
1593 for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page):
1594 if mobj.group(1) not in ids_in_page:
1595 ids_in_page.append(mobj.group(1))
1596 return ids_in_page
1597
1598 def _real_extract(self, url):
1599 # Extract channel id
1600 mobj = re.match(self._VALID_URL, url)
1601 if mobj is None:
1602 raise ExtractorError(u'Invalid URL: %s' % url)
1603
1604 # Download channel page
1605 channel_id = mobj.group(1)
1606 video_ids = []
1607 pagenum = 1
1608
1609 url = self._TEMPLATE_URL % (channel_id, pagenum)
1610 page = self._download_webpage(url, channel_id,
1611 u'Downloading page #%s' % pagenum)
1612
1613 # Extract video identifiers
1614 ids_in_page = self.extract_videos_from_page(page)
1615 video_ids.extend(ids_in_page)
1616
1617 # Download any subsequent channel pages using the json-based channel_ajax query
1618 if self._MORE_PAGES_INDICATOR in page:
755eb032 1619 for pagenum in itertools.count(1):
c5e8d7af
PH
1620 url = self._MORE_PAGES_URL % (pagenum, channel_id)
1621 page = self._download_webpage(url, channel_id,
1622 u'Downloading page #%s' % pagenum)
1623
1624 page = json.loads(page)
1625
1626 ids_in_page = self.extract_videos_from_page(page['content_html'])
1627 video_ids.extend(ids_in_page)
1628
1629 if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']:
1630 break
1631
1632 self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
1633
1634 urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids]
20c3893f 1635 url_entries = [self.url_result(eurl, 'Youtube') for eurl in urls]
c5e8d7af
PH
1636 return [self.playlist_result(url_entries, channel_id)]
1637
1638
1639class YoutubeUserIE(InfoExtractor):
0f818663 1640 IE_DESC = u'YouTube.com user videos (URL or "ytuser" keyword)'
57da92b7 1641 _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?(?!(?:attribution_link|watch)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)([A-Za-z0-9_-]+)'
c5e8d7af
PH
1642 _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
1643 _GDATA_PAGE_SIZE = 50
fd9cf738 1644 _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json'
c5e8d7af
PH
1645 IE_NAME = u'youtube:user'
1646
e3ea4790 1647 @classmethod
f4b05232 1648 def suitable(cls, url):
e3ea4790
JMF
1649 # Don't return True if the url can be extracted with other youtube
1650 # extractor, the regex would is too permissive and it would match.
1651 other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls)
1652 if any(ie.suitable(url) for ie in other_ies): return False
f4b05232
JMF
1653 else: return super(YoutubeUserIE, cls).suitable(url)
1654
c5e8d7af
PH
1655 def _real_extract(self, url):
1656 # Extract username
1657 mobj = re.match(self._VALID_URL, url)
1658 if mobj is None:
1659 raise ExtractorError(u'Invalid URL: %s' % url)
1660
1661 username = mobj.group(1)
1662
1663 # Download video ids using YouTube Data API. Result size per
1664 # query is limited (currently to 50 videos) so we need to query
1665 # page by page until there are no video ids - it means we got
1666 # all of them.
1667
1668 video_ids = []
c5e8d7af 1669
755eb032 1670 for pagenum in itertools.count(0):
c5e8d7af
PH
1671 start_index = pagenum * self._GDATA_PAGE_SIZE + 1
1672
1673 gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
1674 page = self._download_webpage(gdata_url, username,
1675 u'Downloading video ids from %d to %d' % (start_index, start_index + self._GDATA_PAGE_SIZE))
1676
fd9cf738
JMF
1677 try:
1678 response = json.loads(page)
1679 except ValueError as err:
1680 raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
71c82637
JMF
1681 if 'entry' not in response['feed']:
1682 # Number of videos is a multiple of self._MAX_RESULTS
1683 break
fd9cf738 1684
c5e8d7af
PH
1685 # Extract video identifiers
1686 ids_in_page = []
fd9cf738
JMF
1687 for entry in response['feed']['entry']:
1688 ids_in_page.append(entry['id']['$t'].split('/')[-1])
c5e8d7af
PH
1689 video_ids.extend(ids_in_page)
1690
1691 # A little optimization - if current page is not
1692 # "full", ie. does not contain PAGE_SIZE video ids then
1693 # we can assume that this page is the last one - there
1694 # are no more ids on further pages - no need to query
1695 # again.
1696
1697 if len(ids_in_page) < self._GDATA_PAGE_SIZE:
1698 break
1699
c5e8d7af 1700 urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids]
20c3893f 1701 url_results = [self.url_result(rurl, 'Youtube') for rurl in urls]
c5e8d7af 1702 return [self.playlist_result(url_results, playlist_title = username)]
b05654f0
PH
1703
1704class YoutubeSearchIE(SearchInfoExtractor):
0f818663 1705 IE_DESC = u'YouTube.com searches'
b05654f0
PH
1706 _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
1707 _MAX_RESULTS = 1000
1708 IE_NAME = u'youtube:search'
1709 _SEARCH_KEY = 'ytsearch'
1710
1711 def report_download_page(self, query, pagenum):
1712 """Report attempt to download search page with given number."""
1713 self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
1714
1715 def _get_n_results(self, query, n):
1716 """Get a specified number of results for a query"""
1717
1718 video_ids = []
1719 pagenum = 0
1720 limit = n
1721
1722 while (50 * pagenum) < limit:
1723 self.report_download_page(query, pagenum+1)
1724 result_url = self._API_URL % (compat_urllib_parse.quote_plus(query), (50*pagenum)+1)
1725 request = compat_urllib_request.Request(result_url)
1726 try:
1727 data = compat_urllib_request.urlopen(request).read().decode('utf-8')
1728 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
1729 raise ExtractorError(u'Unable to download API page: %s' % compat_str(err))
1730 api_response = json.loads(data)['data']
1731
1732 if not 'items' in api_response:
1733 raise ExtractorError(u'[youtube] No video results')
1734
1735 new_ids = list(video['id'] for video in api_response['items'])
1736 video_ids += new_ids
1737
1738 limit = min(n, api_response['totalItems'])
1739 pagenum += 1
1740
1741 if len(video_ids) > n:
1742 video_ids = video_ids[:n]
1743 videos = [self.url_result('http://www.youtube.com/watch?v=%s' % id, 'Youtube') for id in video_ids]
1744 return self.playlist_result(videos, query)
75dff0ee
JMF
1745
1746
1747class YoutubeShowIE(InfoExtractor):
0f818663 1748 IE_DESC = u'YouTube.com (multi-season) shows'
75dff0ee
JMF
1749 _VALID_URL = r'https?://www\.youtube\.com/show/(.*)'
1750 IE_NAME = u'youtube:show'
1751
1752 def _real_extract(self, url):
1753 mobj = re.match(self._VALID_URL, url)
1754 show_name = mobj.group(1)
1755 webpage = self._download_webpage(url, show_name, u'Downloading show webpage')
1756 # There's one playlist for each season of the show
1757 m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
1758 self.to_screen(u'%s: Found %s seasons' % (show_name, len(m_seasons)))
1759 return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons]
04cc9617
JMF
1760
1761
b2e8bc1b 1762class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
d7ae0639
JMF
1763 """
1764 Base class for extractors that fetch info from
1765 http://www.youtube.com/feed_ajax
1766 Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
1767 """
b2e8bc1b 1768 _LOGIN_REQUIRED = True
04cc9617 1769 _PAGING_STEP = 30
43ba5456
JMF
1770 # use action_load_personal_feed instead of action_load_system_feed
1771 _PERSONAL_FEED = False
04cc9617 1772
d7ae0639
JMF
1773 @property
1774 def _FEED_TEMPLATE(self):
43ba5456
JMF
1775 action = 'action_load_system_feed'
1776 if self._PERSONAL_FEED:
1777 action = 'action_load_personal_feed'
1778 return 'http://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
d7ae0639
JMF
1779
1780 @property
1781 def IE_NAME(self):
1782 return u'youtube:%s' % self._FEED_NAME
04cc9617 1783
81f0259b 1784 def _real_initialize(self):
b2e8bc1b 1785 self._login()
81f0259b 1786
04cc9617
JMF
1787 def _real_extract(self, url):
1788 feed_entries = []
1789 # The step argument is available only in 2.7 or higher
1790 for i in itertools.count(0):
1791 paging = i*self._PAGING_STEP
d7ae0639
JMF
1792 info = self._download_webpage(self._FEED_TEMPLATE % paging,
1793 u'%s feed' % self._FEED_NAME,
04cc9617
JMF
1794 u'Downloading page %s' % i)
1795 info = json.loads(info)
1796 feed_html = info['feed_html']
43ba5456 1797 m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html)
04cc9617
JMF
1798 ids = orderedSet(m.group(1) for m in m_ids)
1799 feed_entries.extend(self.url_result(id, 'Youtube') for id in ids)
1800 if info['paging'] is None:
1801 break
d7ae0639
JMF
1802 return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
1803
1804class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
1805 IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)'
1806 _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
1807 _FEED_NAME = 'subscriptions'
1808 _PLAYLIST_TITLE = u'Youtube Subscriptions'
1809
1810class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
1811 IE_DESC = u'YouTube.com recommended videos, "ytrec" keyword (requires authentication)'
1812 _VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
1813 _FEED_NAME = 'recommended'
1814 _PLAYLIST_TITLE = u'Youtube Recommended videos'
c626a3d9 1815
43ba5456
JMF
1816class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor):
1817 IE_DESC = u'Youtube watch later list, "ytwatchlater" keyword (requires authentication)'
1818 _VALID_URL = r'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater'
1819 _FEED_NAME = 'watch_later'
1820 _PLAYLIST_TITLE = u'Youtube Watch Later'
1821 _PAGING_STEP = 100
1822 _PERSONAL_FEED = True
c626a3d9
JMF
1823
1824class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
1825 IE_NAME = u'youtube:favorites'
1826 IE_DESC = u'YouTube.com favourite videos, "ytfav" keyword (requires authentication)'
c7a7750d 1827 _VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
c626a3d9
JMF
1828 _LOGIN_REQUIRED = True
1829
1830 def _real_extract(self, url):
1831 webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
1832 playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, u'favourites playlist id')
1833 return self.url_result(playlist_id, 'YoutubePlaylist')
15870e90
PH
1834
1835
1836class YoutubeTruncatedURLIE(InfoExtractor):
1837 IE_NAME = 'youtube:truncated_url'
1838 IE_DESC = False # Do not list
1839 _VALID_URL = r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$'
1840
1841 def _real_extract(self, url):
1842 raise ExtractorError(
1843 u'Did you forget to quote the URL? Remember that & is a meta '
1844 u'character in most shells, so you want to put the URL in quotes, '
1845 u'like youtube-dl '
1846 u'\'http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc\''
1847 u' (or simply youtube-dl BaW_jenozKc ).',
1848 expected=True)