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1 | # coding: utf-8 | |
2 | ||
3 | import collections | |
4 | import errno | |
5 | import io | |
6 | import itertools | |
7 | import json | |
8 | import os.path | |
9 | import re | |
10 | import socket | |
11 | import string | |
12 | import struct | |
13 | import traceback | |
14 | import xml.etree.ElementTree | |
15 | import zlib | |
16 | ||
17 | from .common import InfoExtractor, SearchInfoExtractor | |
18 | from .subtitles import SubtitlesInfoExtractor | |
19 | from ..utils import ( | |
20 | compat_chr, | |
21 | compat_http_client, | |
22 | compat_parse_qs, | |
23 | compat_urllib_error, | |
24 | compat_urllib_parse, | |
25 | compat_urllib_request, | |
26 | compat_urlparse, | |
27 | compat_str, | |
28 | ||
29 | clean_html, | |
30 | get_cachedir, | |
31 | get_element_by_id, | |
32 | ExtractorError, | |
33 | unescapeHTML, | |
34 | unified_strdate, | |
35 | orderedSet, | |
36 | write_json_file, | |
37 | ) | |
38 | ||
39 | class YoutubeBaseInfoExtractor(InfoExtractor): | |
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 | ||
77 | galx = None | |
78 | dsh = None | |
79 | match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page) | |
80 | if match: | |
81 | galx = match.group(1) | |
82 | match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page) | |
83 | if match: | |
84 | dsh = match.group(1) | |
85 | ||
86 | # Log in | |
87 | login_form_strs = { | |
88 | u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1', | |
89 | u'Email': username, | |
90 | u'GALX': galx, | |
91 | u'Passwd': password, | |
92 | u'PersistentCookie': u'yes', | |
93 | u'_utf8': u'霱', | |
94 | u'bgresponse': u'js_disabled', | |
95 | u'checkConnection': u'', | |
96 | u'checkedDomains': u'youtube', | |
97 | u'dnConn': u'', | |
98 | u'dsh': dsh, | |
99 | u'pstMsg': u'0', | |
100 | u'rmShown': u'1', | |
101 | u'secTok': u'', | |
102 | u'signIn': u'Sign in', | |
103 | u'timeStmp': u'', | |
104 | u'service': u'youtube', | |
105 | u'uilel': u'3', | |
106 | u'hl': u'en_US', | |
107 | } | |
108 | # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode | |
109 | # chokes on unicode | |
110 | login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items()) | |
111 | login_data = compat_urllib_parse.urlencode(login_form).encode('ascii') | |
112 | request = compat_urllib_request.Request(self._LOGIN_URL, login_data) | |
113 | try: | |
114 | self.report_login() | |
115 | login_results = compat_urllib_request.urlopen(request).read().decode('utf-8') | |
116 | if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None: | |
117 | self._downloader.report_warning(u'unable to log in: bad username or password') | |
118 | return False | |
119 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
120 | self._downloader.report_warning(u'unable to log in: %s' % compat_str(err)) | |
121 | return False | |
122 | return True | |
123 | ||
124 | def _confirm_age(self): | |
125 | age_form = { | |
126 | 'next_url': '/', | |
127 | 'action_confirm': 'Confirm', | |
128 | } | |
129 | request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form)) | |
130 | try: | |
131 | self.report_age_confirmation() | |
132 | compat_urllib_request.urlopen(request).read().decode('utf-8') | |
133 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
134 | raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err)) | |
135 | return True | |
136 | ||
137 | def _real_initialize(self): | |
138 | if self._downloader is None: | |
139 | return | |
140 | if not self._set_language(): | |
141 | return | |
142 | if not self._login(): | |
143 | return | |
144 | self._confirm_age() | |
145 | ||
146 | ||
147 | class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): | |
148 | IE_DESC = u'YouTube.com' | |
149 | _VALID_URL = r"""^ | |
150 | ( | |
151 | (?:https?://)? # http(s):// (optional) | |
152 | (?:(?:(?:(?:\w+\.)?youtube(?:-nocookie)?\.com/| | |
153 | tube\.majestyc\.net/| | |
154 | youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains | |
155 | (?:.*?\#/)? # handle anchor (#/) redirect urls | |
156 | (?: # the various things that can precede the ID: | |
157 | (?:(?:v|embed|e)/) # v/ or embed/ or e/ | |
158 | |(?: # or the v= param in all its forms | |
159 | (?:(?:watch|movie)(?:_popup)?(?:\.php)?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx) | |
160 | (?:\?|\#!?) # the params delimiter ? or # or #! | |
161 | (?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx) | |
162 | v= | |
163 | ) | |
164 | )) | |
165 | |youtu\.be/ # just youtu.be/xxxx | |
166 | ) | |
167 | )? # all until now is optional -> you can pass the naked ID | |
168 | ([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID | |
169 | (?(1).+)? # if we found the ID, everything can follow | |
170 | $""" | |
171 | _NEXT_URL_RE = r'[\?&]next_url=([^&]+)' | |
172 | # Listed in order of quality | |
173 | _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '36', '17', '13', | |
174 | # Apple HTTP Live Streaming | |
175 | '96', '95', '94', '93', '92', '132', '151', | |
176 | # 3D | |
177 | '85', '84', '102', '83', '101', '82', '100', | |
178 | # Dash video | |
179 | '138', '137', '248', '136', '247', '135', '246', | |
180 | '245', '244', '134', '243', '133', '242', '160', | |
181 | # Dash audio | |
182 | '141', '172', '140', '171', '139', | |
183 | ] | |
184 | _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '36', '17', '13', | |
185 | # Apple HTTP Live Streaming | |
186 | '96', '95', '94', '93', '92', '132', '151', | |
187 | # 3D | |
188 | '85', '102', '84', '101', '83', '100', '82', | |
189 | # Dash video | |
190 | '138', '248', '137', '247', '136', '246', '245', | |
191 | '244', '135', '243', '134', '242', '133', '160', | |
192 | # Dash audio | |
193 | '172', '141', '171', '140', '139', | |
194 | ] | |
195 | _video_formats_map = { | |
196 | 'flv': ['35', '34', '6', '5'], | |
197 | '3gp': ['36', '17', '13'], | |
198 | 'mp4': ['38', '37', '22', '18'], | |
199 | 'webm': ['46', '45', '44', '43'], | |
200 | } | |
201 | _video_extensions = { | |
202 | '13': '3gp', | |
203 | '17': '3gp', | |
204 | '18': 'mp4', | |
205 | '22': 'mp4', | |
206 | '36': '3gp', | |
207 | '37': 'mp4', | |
208 | '38': 'mp4', | |
209 | '43': 'webm', | |
210 | '44': 'webm', | |
211 | '45': 'webm', | |
212 | '46': 'webm', | |
213 | ||
214 | # 3d videos | |
215 | '82': 'mp4', | |
216 | '83': 'mp4', | |
217 | '84': 'mp4', | |
218 | '85': 'mp4', | |
219 | '100': 'webm', | |
220 | '101': 'webm', | |
221 | '102': 'webm', | |
222 | ||
223 | # Apple HTTP Live Streaming | |
224 | '92': 'mp4', | |
225 | '93': 'mp4', | |
226 | '94': 'mp4', | |
227 | '95': 'mp4', | |
228 | '96': 'mp4', | |
229 | '132': 'mp4', | |
230 | '151': 'mp4', | |
231 | ||
232 | # Dash mp4 | |
233 | '133': 'mp4', | |
234 | '134': 'mp4', | |
235 | '135': 'mp4', | |
236 | '136': 'mp4', | |
237 | '137': 'mp4', | |
238 | '138': 'mp4', | |
239 | '139': 'mp4', | |
240 | '140': 'm4a', | |
241 | '141': 'm4a', | |
242 | '160': 'm4a', | |
243 | ||
244 | # Dash webm | |
245 | '171': 'webm', | |
246 | '172': 'webm', | |
247 | '242': 'webm', | |
248 | '243': 'webm', | |
249 | '244': 'webm', | |
250 | '245': 'webm', | |
251 | '246': 'webm', | |
252 | '247': 'webm', | |
253 | '248': 'webm', | |
254 | } | |
255 | _video_dimensions = { | |
256 | '5': '240x400', | |
257 | '6': '???', | |
258 | '13': '???', | |
259 | '17': '144x176', | |
260 | '18': '360x640', | |
261 | '22': '720x1280', | |
262 | '34': '360x640', | |
263 | '35': '480x854', | |
264 | '36': '240x320', | |
265 | '37': '1080x1920', | |
266 | '38': '3072x4096', | |
267 | '43': '360x640', | |
268 | '44': '480x854', | |
269 | '45': '720x1280', | |
270 | '46': '1080x1920', | |
271 | '82': '360p', | |
272 | '83': '480p', | |
273 | '84': '720p', | |
274 | '85': '1080p', | |
275 | '92': '240p', | |
276 | '93': '360p', | |
277 | '94': '480p', | |
278 | '95': '720p', | |
279 | '96': '1080p', | |
280 | '100': '360p', | |
281 | '101': '480p', | |
282 | '102': '720p', | |
283 | '132': '240p', | |
284 | '151': '72p', | |
285 | '133': '240p', | |
286 | '134': '360p', | |
287 | '135': '480p', | |
288 | '136': '720p', | |
289 | '137': '1080p', | |
290 | '138': '>1080p', | |
291 | '139': '48k', | |
292 | '140': '128k', | |
293 | '141': '256k', | |
294 | '160': '192p', | |
295 | '171': '128k', | |
296 | '172': '256k', | |
297 | '242': '240p', | |
298 | '243': '360p', | |
299 | '244': '480p', | |
300 | '245': '480p', | |
301 | '246': '480p', | |
302 | '247': '720p', | |
303 | '248': '1080p', | |
304 | } | |
305 | _special_itags = { | |
306 | '82': '3D', | |
307 | '83': '3D', | |
308 | '84': '3D', | |
309 | '85': '3D', | |
310 | '100': '3D', | |
311 | '101': '3D', | |
312 | '102': '3D', | |
313 | '133': 'DASH Video', | |
314 | '134': 'DASH Video', | |
315 | '135': 'DASH Video', | |
316 | '136': 'DASH Video', | |
317 | '137': 'DASH Video', | |
318 | '138': 'DASH Video', | |
319 | '139': 'DASH Audio', | |
320 | '140': 'DASH Audio', | |
321 | '141': 'DASH Audio', | |
322 | '160': 'DASH Video', | |
323 | '171': 'DASH Audio', | |
324 | '172': 'DASH Audio', | |
325 | '242': 'DASH Video', | |
326 | '243': 'DASH Video', | |
327 | '244': 'DASH Video', | |
328 | '245': 'DASH Video', | |
329 | '246': 'DASH Video', | |
330 | '247': 'DASH Video', | |
331 | '248': 'DASH Video', | |
332 | } | |
333 | ||
334 | IE_NAME = u'youtube' | |
335 | _TESTS = [ | |
336 | { | |
337 | u"url": u"http://www.youtube.com/watch?v=BaW_jenozKc", | |
338 | u"file": u"BaW_jenozKc.mp4", | |
339 | u"info_dict": { | |
340 | u"title": u"youtube-dl test video \"'/\\ä↭𝕐", | |
341 | u"uploader": u"Philipp Hagemeister", | |
342 | u"uploader_id": u"phihag", | |
343 | u"upload_date": u"20121002", | |
344 | u"description": u"test chars: \"'/\\ä↭𝕐\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de ." | |
345 | } | |
346 | }, | |
347 | { | |
348 | u"url": u"http://www.youtube.com/watch?v=1ltcDfZMA3U", | |
349 | u"file": u"1ltcDfZMA3U.flv", | |
350 | u"note": u"Test VEVO video (#897)", | |
351 | u"info_dict": { | |
352 | u"upload_date": u"20070518", | |
353 | u"title": u"Maps - It Will Find You", | |
354 | u"description": u"Music video by Maps performing It Will Find You.", | |
355 | u"uploader": u"MuteUSA", | |
356 | u"uploader_id": u"MuteUSA" | |
357 | } | |
358 | }, | |
359 | { | |
360 | u"url": u"http://www.youtube.com/watch?v=UxxajLWwzqY", | |
361 | u"file": u"UxxajLWwzqY.mp4", | |
362 | u"note": u"Test generic use_cipher_signature video (#897)", | |
363 | u"info_dict": { | |
364 | u"upload_date": u"20120506", | |
365 | u"title": u"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]", | |
366 | u"description": u"md5:5b292926389560516e384ac437c0ec07", | |
367 | u"uploader": u"Icona Pop", | |
368 | u"uploader_id": u"IconaPop" | |
369 | } | |
370 | }, | |
371 | { | |
372 | u"url": u"https://www.youtube.com/watch?v=07FYdnEawAQ", | |
373 | u"file": u"07FYdnEawAQ.mp4", | |
374 | u"note": u"Test VEVO video with age protection (#956)", | |
375 | u"info_dict": { | |
376 | u"upload_date": u"20130703", | |
377 | u"title": u"Justin Timberlake - Tunnel Vision (Explicit)", | |
378 | u"description": u"md5:64249768eec3bc4276236606ea996373", | |
379 | u"uploader": u"justintimberlakeVEVO", | |
380 | u"uploader_id": u"justintimberlakeVEVO" | |
381 | } | |
382 | }, | |
383 | ] | |
384 | ||
385 | ||
386 | @classmethod | |
387 | def suitable(cls, url): | |
388 | """Receives a URL and returns True if suitable for this IE.""" | |
389 | if YoutubePlaylistIE.suitable(url): return False | |
390 | return re.match(cls._VALID_URL, url, re.VERBOSE) is not None | |
391 | ||
392 | def __init__(self, *args, **kwargs): | |
393 | super(YoutubeIE, self).__init__(*args, **kwargs) | |
394 | self._player_cache = {} | |
395 | ||
396 | def report_video_webpage_download(self, video_id): | |
397 | """Report attempt to download video webpage.""" | |
398 | self.to_screen(u'%s: Downloading video webpage' % video_id) | |
399 | ||
400 | def report_video_info_webpage_download(self, video_id): | |
401 | """Report attempt to download video info webpage.""" | |
402 | self.to_screen(u'%s: Downloading video info webpage' % video_id) | |
403 | ||
404 | def report_information_extraction(self, video_id): | |
405 | """Report attempt to extract video information.""" | |
406 | self.to_screen(u'%s: Extracting video information' % video_id) | |
407 | ||
408 | def report_unavailable_format(self, video_id, format): | |
409 | """Report extracted video URL.""" | |
410 | self.to_screen(u'%s: Format %s not available' % (video_id, format)) | |
411 | ||
412 | def report_rtmp_download(self): | |
413 | """Indicate the download will use the RTMP protocol.""" | |
414 | self.to_screen(u'RTMP download detected') | |
415 | ||
416 | def _extract_signature_function(self, video_id, player_url, slen): | |
417 | id_m = re.match(r'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$', | |
418 | player_url) | |
419 | player_type = id_m.group('ext') | |
420 | player_id = id_m.group('id') | |
421 | ||
422 | # Read from filesystem cache | |
423 | func_id = '%s_%s_%d' % (player_type, player_id, slen) | |
424 | assert os.path.basename(func_id) == func_id | |
425 | cache_dir = get_cachedir(self._downloader.params) | |
426 | ||
427 | cache_enabled = cache_dir is not None | |
428 | if cache_enabled: | |
429 | cache_fn = os.path.join(os.path.expanduser(cache_dir), | |
430 | u'youtube-sigfuncs', | |
431 | func_id + '.json') | |
432 | try: | |
433 | with io.open(cache_fn, 'r', encoding='utf-8') as cachef: | |
434 | cache_spec = json.load(cachef) | |
435 | return lambda s: u''.join(s[i] for i in cache_spec) | |
436 | except IOError: | |
437 | pass # No cache available | |
438 | ||
439 | if player_type == 'js': | |
440 | code = self._download_webpage( | |
441 | player_url, video_id, | |
442 | note=u'Downloading %s player %s' % (player_type, player_id), | |
443 | errnote=u'Download of %s failed' % player_url) | |
444 | res = self._parse_sig_js(code) | |
445 | elif player_type == 'swf': | |
446 | urlh = self._request_webpage( | |
447 | player_url, video_id, | |
448 | note=u'Downloading %s player %s' % (player_type, player_id), | |
449 | errnote=u'Download of %s failed' % player_url) | |
450 | code = urlh.read() | |
451 | res = self._parse_sig_swf(code) | |
452 | else: | |
453 | assert False, 'Invalid player type %r' % player_type | |
454 | ||
455 | if cache_enabled: | |
456 | try: | |
457 | test_string = u''.join(map(compat_chr, range(slen))) | |
458 | cache_res = res(test_string) | |
459 | cache_spec = [ord(c) for c in cache_res] | |
460 | try: | |
461 | os.makedirs(os.path.dirname(cache_fn)) | |
462 | except OSError as ose: | |
463 | if ose.errno != errno.EEXIST: | |
464 | raise | |
465 | write_json_file(cache_spec, cache_fn) | |
466 | except Exception: | |
467 | tb = traceback.format_exc() | |
468 | self._downloader.report_warning( | |
469 | u'Writing cache to %r failed: %s' % (cache_fn, tb)) | |
470 | ||
471 | return res | |
472 | ||
473 | def _print_sig_code(self, func, slen): | |
474 | def gen_sig_code(idxs): | |
475 | def _genslice(start, end, step): | |
476 | starts = u'' if start == 0 else str(start) | |
477 | ends = (u':%d' % (end+step)) if end + step >= 0 else u':' | |
478 | steps = u'' if step == 1 else (u':%d' % step) | |
479 | return u's[%s%s%s]' % (starts, ends, steps) | |
480 | ||
481 | step = None | |
482 | start = '(Never used)' # Quelch pyflakes warnings - start will be | |
483 | # set as soon as step is set | |
484 | for i, prev in zip(idxs[1:], idxs[:-1]): | |
485 | if step is not None: | |
486 | if i - prev == step: | |
487 | continue | |
488 | yield _genslice(start, prev, step) | |
489 | step = None | |
490 | continue | |
491 | if i - prev in [-1, 1]: | |
492 | step = i - prev | |
493 | start = prev | |
494 | continue | |
495 | else: | |
496 | yield u's[%d]' % prev | |
497 | if step is None: | |
498 | yield u's[%d]' % i | |
499 | else: | |
500 | yield _genslice(start, i, step) | |
501 | ||
502 | test_string = u''.join(map(compat_chr, range(slen))) | |
503 | cache_res = func(test_string) | |
504 | cache_spec = [ord(c) for c in cache_res] | |
505 | expr_code = u' + '.join(gen_sig_code(cache_spec)) | |
506 | code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code) | |
507 | self.to_screen(u'Extracted signature function:\n' + code) | |
508 | ||
509 | def _parse_sig_js(self, jscode): | |
510 | funcname = self._search_regex( | |
511 | r'signature=([a-zA-Z]+)', jscode, | |
512 | u'Initial JS player signature function name') | |
513 | ||
514 | functions = {} | |
515 | ||
516 | def argidx(varname): | |
517 | return string.lowercase.index(varname) | |
518 | ||
519 | def interpret_statement(stmt, local_vars, allow_recursion=20): | |
520 | if allow_recursion < 0: | |
521 | raise ExtractorError(u'Recursion limit reached') | |
522 | ||
523 | if stmt.startswith(u'var '): | |
524 | stmt = stmt[len(u'var '):] | |
525 | ass_m = re.match(r'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' + | |
526 | r'=(?P<expr>.*)$', stmt) | |
527 | if ass_m: | |
528 | if ass_m.groupdict().get('index'): | |
529 | def assign(val): | |
530 | lvar = local_vars[ass_m.group('out')] | |
531 | idx = interpret_expression(ass_m.group('index'), | |
532 | local_vars, allow_recursion) | |
533 | assert isinstance(idx, int) | |
534 | lvar[idx] = val | |
535 | return val | |
536 | expr = ass_m.group('expr') | |
537 | else: | |
538 | def assign(val): | |
539 | local_vars[ass_m.group('out')] = val | |
540 | return val | |
541 | expr = ass_m.group('expr') | |
542 | elif stmt.startswith(u'return '): | |
543 | assign = lambda v: v | |
544 | expr = stmt[len(u'return '):] | |
545 | else: | |
546 | raise ExtractorError( | |
547 | u'Cannot determine left side of statement in %r' % stmt) | |
548 | ||
549 | v = interpret_expression(expr, local_vars, allow_recursion) | |
550 | return assign(v) | |
551 | ||
552 | def interpret_expression(expr, local_vars, allow_recursion): | |
553 | if expr.isdigit(): | |
554 | return int(expr) | |
555 | ||
556 | if expr.isalpha(): | |
557 | return local_vars[expr] | |
558 | ||
559 | m = re.match(r'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr) | |
560 | if m: | |
561 | member = m.group('member') | |
562 | val = local_vars[m.group('in')] | |
563 | if member == 'split("")': | |
564 | return list(val) | |
565 | if member == 'join("")': | |
566 | return u''.join(val) | |
567 | if member == 'length': | |
568 | return len(val) | |
569 | if member == 'reverse()': | |
570 | return val[::-1] | |
571 | slice_m = re.match(r'slice\((?P<idx>.*)\)', member) | |
572 | if slice_m: | |
573 | idx = interpret_expression( | |
574 | slice_m.group('idx'), local_vars, allow_recursion-1) | |
575 | return val[idx:] | |
576 | ||
577 | m = re.match( | |
578 | r'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr) | |
579 | if m: | |
580 | val = local_vars[m.group('in')] | |
581 | idx = interpret_expression(m.group('idx'), local_vars, | |
582 | allow_recursion-1) | |
583 | return val[idx] | |
584 | ||
585 | m = re.match(r'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr) | |
586 | if m: | |
587 | a = interpret_expression(m.group('a'), | |
588 | local_vars, allow_recursion) | |
589 | b = interpret_expression(m.group('b'), | |
590 | local_vars, allow_recursion) | |
591 | return a % b | |
592 | ||
593 | m = re.match( | |
594 | r'^(?P<func>[a-zA-Z]+)\((?P<args>[a-z0-9,]+)\)$', expr) | |
595 | if m: | |
596 | fname = m.group('func') | |
597 | if fname not in functions: | |
598 | functions[fname] = extract_function(fname) | |
599 | argvals = [int(v) if v.isdigit() else local_vars[v] | |
600 | for v in m.group('args').split(',')] | |
601 | return functions[fname](argvals) | |
602 | raise ExtractorError(u'Unsupported JS expression %r' % expr) | |
603 | ||
604 | def extract_function(funcname): | |
605 | func_m = re.search( | |
606 | r'function ' + re.escape(funcname) + | |
607 | r'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}', | |
608 | jscode) | |
609 | argnames = func_m.group('args').split(',') | |
610 | ||
611 | def resf(args): | |
612 | local_vars = dict(zip(argnames, args)) | |
613 | for stmt in func_m.group('code').split(';'): | |
614 | res = interpret_statement(stmt, local_vars) | |
615 | return res | |
616 | return resf | |
617 | ||
618 | initial_function = extract_function(funcname) | |
619 | return lambda s: initial_function([s]) | |
620 | ||
621 | def _parse_sig_swf(self, file_contents): | |
622 | if file_contents[1:3] != b'WS': | |
623 | raise ExtractorError( | |
624 | u'Not an SWF file; header is %r' % file_contents[:3]) | |
625 | if file_contents[:1] == b'C': | |
626 | content = zlib.decompress(file_contents[8:]) | |
627 | else: | |
628 | raise NotImplementedError(u'Unsupported compression format %r' % | |
629 | file_contents[:1]) | |
630 | ||
631 | def extract_tags(content): | |
632 | pos = 0 | |
633 | while pos < len(content): | |
634 | header16 = struct.unpack('<H', content[pos:pos+2])[0] | |
635 | pos += 2 | |
636 | tag_code = header16 >> 6 | |
637 | tag_len = header16 & 0x3f | |
638 | if tag_len == 0x3f: | |
639 | tag_len = struct.unpack('<I', content[pos:pos+4])[0] | |
640 | pos += 4 | |
641 | assert pos+tag_len <= len(content) | |
642 | yield (tag_code, content[pos:pos+tag_len]) | |
643 | pos += tag_len | |
644 | ||
645 | code_tag = next(tag | |
646 | for tag_code, tag in extract_tags(content) | |
647 | if tag_code == 82) | |
648 | p = code_tag.index(b'\0', 4) + 1 | |
649 | code_reader = io.BytesIO(code_tag[p:]) | |
650 | ||
651 | # Parse ABC (AVM2 ByteCode) | |
652 | def read_int(reader=None): | |
653 | if reader is None: | |
654 | reader = code_reader | |
655 | res = 0 | |
656 | shift = 0 | |
657 | for _ in range(5): | |
658 | buf = reader.read(1) | |
659 | assert len(buf) == 1 | |
660 | b = struct.unpack('<B', buf)[0] | |
661 | res = res | ((b & 0x7f) << shift) | |
662 | if b & 0x80 == 0: | |
663 | break | |
664 | shift += 7 | |
665 | return res | |
666 | ||
667 | def u30(reader=None): | |
668 | res = read_int(reader) | |
669 | assert res & 0xf0000000 == 0 | |
670 | return res | |
671 | u32 = read_int | |
672 | ||
673 | def s32(reader=None): | |
674 | v = read_int(reader) | |
675 | if v & 0x80000000 != 0: | |
676 | v = - ((v ^ 0xffffffff) + 1) | |
677 | return v | |
678 | ||
679 | def read_string(reader=None): | |
680 | if reader is None: | |
681 | reader = code_reader | |
682 | slen = u30(reader) | |
683 | resb = reader.read(slen) | |
684 | assert len(resb) == slen | |
685 | return resb.decode('utf-8') | |
686 | ||
687 | def read_bytes(count, reader=None): | |
688 | if reader is None: | |
689 | reader = code_reader | |
690 | resb = reader.read(count) | |
691 | assert len(resb) == count | |
692 | return resb | |
693 | ||
694 | def read_byte(reader=None): | |
695 | resb = read_bytes(1, reader=reader) | |
696 | res = struct.unpack('<B', resb)[0] | |
697 | return res | |
698 | ||
699 | # minor_version + major_version | |
700 | read_bytes(2 + 2) | |
701 | ||
702 | # Constant pool | |
703 | int_count = u30() | |
704 | for _c in range(1, int_count): | |
705 | s32() | |
706 | uint_count = u30() | |
707 | for _c in range(1, uint_count): | |
708 | u32() | |
709 | double_count = u30() | |
710 | read_bytes((double_count-1) * 8) | |
711 | string_count = u30() | |
712 | constant_strings = [u''] | |
713 | for _c in range(1, string_count): | |
714 | s = read_string() | |
715 | constant_strings.append(s) | |
716 | namespace_count = u30() | |
717 | for _c in range(1, namespace_count): | |
718 | read_bytes(1) # kind | |
719 | u30() # name | |
720 | ns_set_count = u30() | |
721 | for _c in range(1, ns_set_count): | |
722 | count = u30() | |
723 | for _c2 in range(count): | |
724 | u30() | |
725 | multiname_count = u30() | |
726 | MULTINAME_SIZES = { | |
727 | 0x07: 2, # QName | |
728 | 0x0d: 2, # QNameA | |
729 | 0x0f: 1, # RTQName | |
730 | 0x10: 1, # RTQNameA | |
731 | 0x11: 0, # RTQNameL | |
732 | 0x12: 0, # RTQNameLA | |
733 | 0x09: 2, # Multiname | |
734 | 0x0e: 2, # MultinameA | |
735 | 0x1b: 1, # MultinameL | |
736 | 0x1c: 1, # MultinameLA | |
737 | } | |
738 | multinames = [u''] | |
739 | for _c in range(1, multiname_count): | |
740 | kind = u30() | |
741 | assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind | |
742 | if kind == 0x07: | |
743 | u30() # namespace_idx | |
744 | name_idx = u30() | |
745 | multinames.append(constant_strings[name_idx]) | |
746 | else: | |
747 | multinames.append('[MULTINAME kind: %d]' % kind) | |
748 | for _c2 in range(MULTINAME_SIZES[kind]): | |
749 | u30() | |
750 | ||
751 | # Methods | |
752 | method_count = u30() | |
753 | MethodInfo = collections.namedtuple( | |
754 | 'MethodInfo', | |
755 | ['NEED_ARGUMENTS', 'NEED_REST']) | |
756 | method_infos = [] | |
757 | for method_id in range(method_count): | |
758 | param_count = u30() | |
759 | u30() # return type | |
760 | for _ in range(param_count): | |
761 | u30() # param type | |
762 | u30() # name index (always 0 for youtube) | |
763 | flags = read_byte() | |
764 | if flags & 0x08 != 0: | |
765 | # Options present | |
766 | option_count = u30() | |
767 | for c in range(option_count): | |
768 | u30() # val | |
769 | read_bytes(1) # kind | |
770 | if flags & 0x80 != 0: | |
771 | # Param names present | |
772 | for _ in range(param_count): | |
773 | u30() # param name | |
774 | mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0) | |
775 | method_infos.append(mi) | |
776 | ||
777 | # Metadata | |
778 | metadata_count = u30() | |
779 | for _c in range(metadata_count): | |
780 | u30() # name | |
781 | item_count = u30() | |
782 | for _c2 in range(item_count): | |
783 | u30() # key | |
784 | u30() # value | |
785 | ||
786 | def parse_traits_info(): | |
787 | trait_name_idx = u30() | |
788 | kind_full = read_byte() | |
789 | kind = kind_full & 0x0f | |
790 | attrs = kind_full >> 4 | |
791 | methods = {} | |
792 | if kind in [0x00, 0x06]: # Slot or Const | |
793 | u30() # Slot id | |
794 | u30() # type_name_idx | |
795 | vindex = u30() | |
796 | if vindex != 0: | |
797 | read_byte() # vkind | |
798 | elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter | |
799 | u30() # disp_id | |
800 | method_idx = u30() | |
801 | methods[multinames[trait_name_idx]] = method_idx | |
802 | elif kind == 0x04: # Class | |
803 | u30() # slot_id | |
804 | u30() # classi | |
805 | elif kind == 0x05: # Function | |
806 | u30() # slot_id | |
807 | function_idx = u30() | |
808 | methods[function_idx] = multinames[trait_name_idx] | |
809 | else: | |
810 | raise ExtractorError(u'Unsupported trait kind %d' % kind) | |
811 | ||
812 | if attrs & 0x4 != 0: # Metadata present | |
813 | metadata_count = u30() | |
814 | for _c3 in range(metadata_count): | |
815 | u30() # metadata index | |
816 | ||
817 | return methods | |
818 | ||
819 | # Classes | |
820 | TARGET_CLASSNAME = u'SignatureDecipher' | |
821 | searched_idx = multinames.index(TARGET_CLASSNAME) | |
822 | searched_class_id = None | |
823 | class_count = u30() | |
824 | for class_id in range(class_count): | |
825 | name_idx = u30() | |
826 | if name_idx == searched_idx: | |
827 | # We found the class we're looking for! | |
828 | searched_class_id = class_id | |
829 | u30() # super_name idx | |
830 | flags = read_byte() | |
831 | if flags & 0x08 != 0: # Protected namespace is present | |
832 | u30() # protected_ns_idx | |
833 | intrf_count = u30() | |
834 | for _c2 in range(intrf_count): | |
835 | u30() | |
836 | u30() # iinit | |
837 | trait_count = u30() | |
838 | for _c2 in range(trait_count): | |
839 | parse_traits_info() | |
840 | ||
841 | if searched_class_id is None: | |
842 | raise ExtractorError(u'Target class %r not found' % | |
843 | TARGET_CLASSNAME) | |
844 | ||
845 | method_names = {} | |
846 | method_idxs = {} | |
847 | for class_id in range(class_count): | |
848 | u30() # cinit | |
849 | trait_count = u30() | |
850 | for _c2 in range(trait_count): | |
851 | trait_methods = parse_traits_info() | |
852 | if class_id == searched_class_id: | |
853 | method_names.update(trait_methods.items()) | |
854 | method_idxs.update(dict( | |
855 | (idx, name) | |
856 | for name, idx in trait_methods.items())) | |
857 | ||
858 | # Scripts | |
859 | script_count = u30() | |
860 | for _c in range(script_count): | |
861 | u30() # init | |
862 | trait_count = u30() | |
863 | for _c2 in range(trait_count): | |
864 | parse_traits_info() | |
865 | ||
866 | # Method bodies | |
867 | method_body_count = u30() | |
868 | Method = collections.namedtuple('Method', ['code', 'local_count']) | |
869 | methods = {} | |
870 | for _c in range(method_body_count): | |
871 | method_idx = u30() | |
872 | u30() # max_stack | |
873 | local_count = u30() | |
874 | u30() # init_scope_depth | |
875 | u30() # max_scope_depth | |
876 | code_length = u30() | |
877 | code = read_bytes(code_length) | |
878 | if method_idx in method_idxs: | |
879 | m = Method(code, local_count) | |
880 | methods[method_idxs[method_idx]] = m | |
881 | exception_count = u30() | |
882 | for _c2 in range(exception_count): | |
883 | u30() # from | |
884 | u30() # to | |
885 | u30() # target | |
886 | u30() # exc_type | |
887 | u30() # var_name | |
888 | trait_count = u30() | |
889 | for _c2 in range(trait_count): | |
890 | parse_traits_info() | |
891 | ||
892 | assert p + code_reader.tell() == len(code_tag) | |
893 | assert len(methods) == len(method_idxs) | |
894 | ||
895 | method_pyfunctions = {} | |
896 | ||
897 | def extract_function(func_name): | |
898 | if func_name in method_pyfunctions: | |
899 | return method_pyfunctions[func_name] | |
900 | if func_name not in methods: | |
901 | raise ExtractorError(u'Cannot find function %r' % func_name) | |
902 | m = methods[func_name] | |
903 | ||
904 | def resfunc(args): | |
905 | registers = ['(this)'] + list(args) + [None] * m.local_count | |
906 | stack = [] | |
907 | coder = io.BytesIO(m.code) | |
908 | while True: | |
909 | opcode = struct.unpack('!B', coder.read(1))[0] | |
910 | if opcode == 36: # pushbyte | |
911 | v = struct.unpack('!B', coder.read(1))[0] | |
912 | stack.append(v) | |
913 | elif opcode == 44: # pushstring | |
914 | idx = u30(coder) | |
915 | stack.append(constant_strings[idx]) | |
916 | elif opcode == 48: # pushscope | |
917 | # We don't implement the scope register, so we'll just | |
918 | # ignore the popped value | |
919 | stack.pop() | |
920 | elif opcode == 70: # callproperty | |
921 | index = u30(coder) | |
922 | mname = multinames[index] | |
923 | arg_count = u30(coder) | |
924 | args = list(reversed( | |
925 | [stack.pop() for _ in range(arg_count)])) | |
926 | obj = stack.pop() | |
927 | if mname == u'split': | |
928 | assert len(args) == 1 | |
929 | assert isinstance(args[0], compat_str) | |
930 | assert isinstance(obj, compat_str) | |
931 | if args[0] == u'': | |
932 | res = list(obj) | |
933 | else: | |
934 | res = obj.split(args[0]) | |
935 | stack.append(res) | |
936 | elif mname == u'slice': | |
937 | assert len(args) == 1 | |
938 | assert isinstance(args[0], int) | |
939 | assert isinstance(obj, list) | |
940 | res = obj[args[0]:] | |
941 | stack.append(res) | |
942 | elif mname == u'join': | |
943 | assert len(args) == 1 | |
944 | assert isinstance(args[0], compat_str) | |
945 | assert isinstance(obj, list) | |
946 | res = args[0].join(obj) | |
947 | stack.append(res) | |
948 | elif mname in method_pyfunctions: | |
949 | stack.append(method_pyfunctions[mname](args)) | |
950 | else: | |
951 | raise NotImplementedError( | |
952 | u'Unsupported property %r on %r' | |
953 | % (mname, obj)) | |
954 | elif opcode == 72: # returnvalue | |
955 | res = stack.pop() | |
956 | return res | |
957 | elif opcode == 79: # callpropvoid | |
958 | index = u30(coder) | |
959 | mname = multinames[index] | |
960 | arg_count = u30(coder) | |
961 | args = list(reversed( | |
962 | [stack.pop() for _ in range(arg_count)])) | |
963 | obj = stack.pop() | |
964 | if mname == u'reverse': | |
965 | assert isinstance(obj, list) | |
966 | obj.reverse() | |
967 | else: | |
968 | raise NotImplementedError( | |
969 | u'Unsupported (void) property %r on %r' | |
970 | % (mname, obj)) | |
971 | elif opcode == 93: # findpropstrict | |
972 | index = u30(coder) | |
973 | mname = multinames[index] | |
974 | res = extract_function(mname) | |
975 | stack.append(res) | |
976 | elif opcode == 97: # setproperty | |
977 | index = u30(coder) | |
978 | value = stack.pop() | |
979 | idx = stack.pop() | |
980 | obj = stack.pop() | |
981 | assert isinstance(obj, list) | |
982 | assert isinstance(idx, int) | |
983 | obj[idx] = value | |
984 | elif opcode == 98: # getlocal | |
985 | index = u30(coder) | |
986 | stack.append(registers[index]) | |
987 | elif opcode == 99: # setlocal | |
988 | index = u30(coder) | |
989 | value = stack.pop() | |
990 | registers[index] = value | |
991 | elif opcode == 102: # getproperty | |
992 | index = u30(coder) | |
993 | pname = multinames[index] | |
994 | if pname == u'length': | |
995 | obj = stack.pop() | |
996 | assert isinstance(obj, list) | |
997 | stack.append(len(obj)) | |
998 | else: # Assume attribute access | |
999 | idx = stack.pop() | |
1000 | assert isinstance(idx, int) | |
1001 | obj = stack.pop() | |
1002 | assert isinstance(obj, list) | |
1003 | stack.append(obj[idx]) | |
1004 | elif opcode == 128: # coerce | |
1005 | u30(coder) | |
1006 | elif opcode == 133: # coerce_s | |
1007 | assert isinstance(stack[-1], (type(None), compat_str)) | |
1008 | elif opcode == 164: # modulo | |
1009 | value2 = stack.pop() | |
1010 | value1 = stack.pop() | |
1011 | res = value1 % value2 | |
1012 | stack.append(res) | |
1013 | elif opcode == 208: # getlocal_0 | |
1014 | stack.append(registers[0]) | |
1015 | elif opcode == 209: # getlocal_1 | |
1016 | stack.append(registers[1]) | |
1017 | elif opcode == 210: # getlocal_2 | |
1018 | stack.append(registers[2]) | |
1019 | elif opcode == 211: # getlocal_3 | |
1020 | stack.append(registers[3]) | |
1021 | elif opcode == 214: # setlocal_2 | |
1022 | registers[2] = stack.pop() | |
1023 | elif opcode == 215: # setlocal_3 | |
1024 | registers[3] = stack.pop() | |
1025 | else: | |
1026 | raise NotImplementedError( | |
1027 | u'Unsupported opcode %d' % opcode) | |
1028 | ||
1029 | method_pyfunctions[func_name] = resfunc | |
1030 | return resfunc | |
1031 | ||
1032 | initial_function = extract_function(u'decipher') | |
1033 | return lambda s: initial_function([s]) | |
1034 | ||
1035 | def _decrypt_signature(self, s, video_id, player_url, age_gate=False): | |
1036 | """Turn the encrypted s field into a working signature""" | |
1037 | ||
1038 | if player_url is not None: | |
1039 | try: | |
1040 | player_id = (player_url, len(s)) | |
1041 | if player_id not in self._player_cache: | |
1042 | func = self._extract_signature_function( | |
1043 | video_id, player_url, len(s) | |
1044 | ) | |
1045 | self._player_cache[player_id] = func | |
1046 | func = self._player_cache[player_id] | |
1047 | if self._downloader.params.get('youtube_print_sig_code'): | |
1048 | self._print_sig_code(func, len(s)) | |
1049 | return func(s) | |
1050 | except Exception: | |
1051 | tb = traceback.format_exc() | |
1052 | self._downloader.report_warning( | |
1053 | u'Automatic signature extraction failed: ' + tb) | |
1054 | ||
1055 | self._downloader.report_warning( | |
1056 | u'Warning: Falling back to static signature algorithm') | |
1057 | ||
1058 | return self._static_decrypt_signature( | |
1059 | s, video_id, player_url, age_gate) | |
1060 | ||
1061 | def _static_decrypt_signature(self, s, video_id, player_url, age_gate): | |
1062 | if age_gate: | |
1063 | # The videos with age protection use another player, so the | |
1064 | # algorithms can be different. | |
1065 | if len(s) == 86: | |
1066 | return s[2:63] + s[82] + s[64:82] + s[63] | |
1067 | ||
1068 | if len(s) == 93: | |
1069 | return s[86:29:-1] + s[88] + s[28:5:-1] | |
1070 | elif len(s) == 92: | |
1071 | return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83] | |
1072 | elif len(s) == 91: | |
1073 | return s[84:27:-1] + s[86] + s[26:5:-1] | |
1074 | elif len(s) == 90: | |
1075 | return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81] | |
1076 | elif len(s) == 89: | |
1077 | return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1] | |
1078 | elif len(s) == 88: | |
1079 | return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28] | |
1080 | elif len(s) == 87: | |
1081 | return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:] | |
1082 | elif len(s) == 86: | |
1083 | return s[80:72:-1] + s[16] + s[71:39:-1] + s[72] + s[38:16:-1] + s[82] + s[15::-1] | |
1084 | elif len(s) == 85: | |
1085 | return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84] | |
1086 | elif len(s) == 84: | |
1087 | return s[78:70:-1] + s[14] + s[69:37:-1] + s[70] + s[36:14:-1] + s[80] + s[:14][::-1] | |
1088 | elif len(s) == 83: | |
1089 | return s[80:63:-1] + s[0] + s[62:0:-1] + s[63] | |
1090 | elif len(s) == 82: | |
1091 | return s[80:37:-1] + s[7] + s[36:7:-1] + s[0] + s[6:0:-1] + s[37] | |
1092 | elif len(s) == 81: | |
1093 | 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] | |
1094 | elif len(s) == 80: | |
1095 | return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80] | |
1096 | elif len(s) == 79: | |
1097 | 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] | |
1098 | ||
1099 | else: | |
1100 | raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s))) | |
1101 | ||
1102 | def _get_available_subtitles(self, video_id): | |
1103 | try: | |
1104 | sub_list = self._download_webpage( | |
1105 | 'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id, | |
1106 | video_id, note=False) | |
1107 | except ExtractorError as err: | |
1108 | self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err)) | |
1109 | return {} | |
1110 | lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list) | |
1111 | ||
1112 | sub_lang_list = {} | |
1113 | for l in lang_list: | |
1114 | lang = l[1] | |
1115 | params = compat_urllib_parse.urlencode({ | |
1116 | 'lang': lang, | |
1117 | 'v': video_id, | |
1118 | 'fmt': self._downloader.params.get('subtitlesformat'), | |
1119 | 'name': l[0], | |
1120 | }) | |
1121 | url = u'http://www.youtube.com/api/timedtext?' + params | |
1122 | sub_lang_list[lang] = url | |
1123 | if not sub_lang_list: | |
1124 | self._downloader.report_warning(u'video doesn\'t have subtitles') | |
1125 | return {} | |
1126 | return sub_lang_list | |
1127 | ||
1128 | def _get_available_automatic_caption(self, video_id, webpage): | |
1129 | """We need the webpage for getting the captions url, pass it as an | |
1130 | argument to speed up the process.""" | |
1131 | sub_format = self._downloader.params.get('subtitlesformat') | |
1132 | self.to_screen(u'%s: Looking for automatic captions' % video_id) | |
1133 | mobj = re.search(r';ytplayer.config = ({.*?});', webpage) | |
1134 | err_msg = u'Couldn\'t find automatic captions for %s' % video_id | |
1135 | if mobj is None: | |
1136 | self._downloader.report_warning(err_msg) | |
1137 | return {} | |
1138 | player_config = json.loads(mobj.group(1)) | |
1139 | try: | |
1140 | args = player_config[u'args'] | |
1141 | caption_url = args[u'ttsurl'] | |
1142 | timestamp = args[u'timestamp'] | |
1143 | # We get the available subtitles | |
1144 | list_params = compat_urllib_parse.urlencode({ | |
1145 | 'type': 'list', | |
1146 | 'tlangs': 1, | |
1147 | 'asrs': 1, | |
1148 | }) | |
1149 | list_url = caption_url + '&' + list_params | |
1150 | list_page = self._download_webpage(list_url, video_id) | |
1151 | caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8')) | |
1152 | original_lang_node = caption_list.find('track') | |
1153 | if not original_lang_node or original_lang_node.attrib.get('kind') != 'asr' : | |
1154 | self._downloader.report_warning(u'Video doesn\'t have automatic captions') | |
1155 | return {} | |
1156 | original_lang = original_lang_node.attrib['lang_code'] | |
1157 | ||
1158 | sub_lang_list = {} | |
1159 | for lang_node in caption_list.findall('target'): | |
1160 | sub_lang = lang_node.attrib['lang_code'] | |
1161 | params = compat_urllib_parse.urlencode({ | |
1162 | 'lang': original_lang, | |
1163 | 'tlang': sub_lang, | |
1164 | 'fmt': sub_format, | |
1165 | 'ts': timestamp, | |
1166 | 'kind': 'asr', | |
1167 | }) | |
1168 | sub_lang_list[sub_lang] = caption_url + '&' + params | |
1169 | return sub_lang_list | |
1170 | # An extractor error can be raise by the download process if there are | |
1171 | # no automatic captions but there are subtitles | |
1172 | except (KeyError, ExtractorError): | |
1173 | self._downloader.report_warning(err_msg) | |
1174 | return {} | |
1175 | ||
1176 | def _print_formats(self, formats): | |
1177 | print('Available formats:') | |
1178 | for x in formats: | |
1179 | print('%s\t:\t%s\t[%s]%s' %(x, self._video_extensions.get(x, 'flv'), | |
1180 | self._video_dimensions.get(x, '???'), | |
1181 | ' ('+self._special_itags[x]+')' if x in self._special_itags else '')) | |
1182 | ||
1183 | def _extract_id(self, url): | |
1184 | mobj = re.match(self._VALID_URL, url, re.VERBOSE) | |
1185 | if mobj is None: | |
1186 | raise ExtractorError(u'Invalid URL: %s' % url) | |
1187 | video_id = mobj.group(2) | |
1188 | return video_id | |
1189 | ||
1190 | def _get_video_url_list(self, url_map): | |
1191 | """ | |
1192 | Transform a dictionary in the format {itag:url} to a list of (itag, url) | |
1193 | with the requested formats. | |
1194 | """ | |
1195 | req_format = self._downloader.params.get('format', None) | |
1196 | format_limit = self._downloader.params.get('format_limit', None) | |
1197 | available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats | |
1198 | if format_limit is not None and format_limit in available_formats: | |
1199 | format_list = available_formats[available_formats.index(format_limit):] | |
1200 | else: | |
1201 | format_list = available_formats | |
1202 | existing_formats = [x for x in format_list if x in url_map] | |
1203 | if len(existing_formats) == 0: | |
1204 | raise ExtractorError(u'no known formats available for video') | |
1205 | if self._downloader.params.get('listformats', None): | |
1206 | self._print_formats(existing_formats) | |
1207 | return | |
1208 | if req_format is None or req_format == 'best': | |
1209 | video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality | |
1210 | elif req_format == 'worst': | |
1211 | video_url_list = [(existing_formats[-1], url_map[existing_formats[-1]])] # worst quality | |
1212 | elif req_format in ('-1', 'all'): | |
1213 | video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats | |
1214 | else: | |
1215 | # Specific formats. We pick the first in a slash-delimeted sequence. | |
1216 | # Format can be specified as itag or 'mp4' or 'flv' etc. We pick the highest quality | |
1217 | # available in the specified format. For example, | |
1218 | # if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'. | |
1219 | # if '1/mp4/3/4' is requested and '1' and '5' (is a mp4) are available, we pick '1'. | |
1220 | # if '1/mp4/3/4' is requested and '4' and '5' (is a mp4) are available, we pick '5'. | |
1221 | req_formats = req_format.split('/') | |
1222 | video_url_list = None | |
1223 | for rf in req_formats: | |
1224 | if rf in url_map: | |
1225 | video_url_list = [(rf, url_map[rf])] | |
1226 | break | |
1227 | if rf in self._video_formats_map: | |
1228 | for srf in self._video_formats_map[rf]: | |
1229 | if srf in url_map: | |
1230 | video_url_list = [(srf, url_map[srf])] | |
1231 | break | |
1232 | else: | |
1233 | continue | |
1234 | break | |
1235 | if video_url_list is None: | |
1236 | raise ExtractorError(u'requested format not available') | |
1237 | return video_url_list | |
1238 | ||
1239 | def _extract_from_m3u8(self, manifest_url, video_id): | |
1240 | url_map = {} | |
1241 | def _get_urls(_manifest): | |
1242 | lines = _manifest.split('\n') | |
1243 | urls = filter(lambda l: l and not l.startswith('#'), | |
1244 | lines) | |
1245 | return urls | |
1246 | manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest') | |
1247 | formats_urls = _get_urls(manifest) | |
1248 | for format_url in formats_urls: | |
1249 | itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag') | |
1250 | url_map[itag] = format_url | |
1251 | return url_map | |
1252 | ||
1253 | def _extract_annotations(self, video_id): | |
1254 | url = 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id | |
1255 | return self._download_webpage(url, video_id, note=u'Searching for annotations.', errnote=u'Unable to download video annotations.') | |
1256 | ||
1257 | def _real_extract(self, url): | |
1258 | # Extract original video URL from URL with redirection, like age verification, using next_url parameter | |
1259 | mobj = re.search(self._NEXT_URL_RE, url) | |
1260 | if mobj: | |
1261 | url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/') | |
1262 | video_id = self._extract_id(url) | |
1263 | ||
1264 | # Get video webpage | |
1265 | self.report_video_webpage_download(video_id) | |
1266 | url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id | |
1267 | request = compat_urllib_request.Request(url) | |
1268 | try: | |
1269 | video_webpage_bytes = compat_urllib_request.urlopen(request).read() | |
1270 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
1271 | raise ExtractorError(u'Unable to download video webpage: %s' % compat_str(err)) | |
1272 | ||
1273 | video_webpage = video_webpage_bytes.decode('utf-8', 'ignore') | |
1274 | ||
1275 | # Attempt to extract SWF player URL | |
1276 | mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage) | |
1277 | if mobj is not None: | |
1278 | player_url = re.sub(r'\\(.)', r'\1', mobj.group(1)) | |
1279 | else: | |
1280 | player_url = None | |
1281 | ||
1282 | # Get video info | |
1283 | self.report_video_info_webpage_download(video_id) | |
1284 | if re.search(r'player-age-gate-content">', video_webpage) is not None: | |
1285 | self.report_age_confirmation() | |
1286 | age_gate = True | |
1287 | # We simulate the access to the video from www.youtube.com/v/{video_id} | |
1288 | # this can be viewed without login into Youtube | |
1289 | data = compat_urllib_parse.urlencode({'video_id': video_id, | |
1290 | 'el': 'embedded', | |
1291 | 'gl': 'US', | |
1292 | 'hl': 'en', | |
1293 | 'eurl': 'https://youtube.googleapis.com/v/' + video_id, | |
1294 | 'asv': 3, | |
1295 | 'sts':'1588', | |
1296 | }) | |
1297 | video_info_url = 'https://www.youtube.com/get_video_info?' + data | |
1298 | video_info_webpage = self._download_webpage(video_info_url, video_id, | |
1299 | note=False, | |
1300 | errnote='unable to download video info webpage') | |
1301 | video_info = compat_parse_qs(video_info_webpage) | |
1302 | else: | |
1303 | age_gate = False | |
1304 | for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']: | |
1305 | video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en' | |
1306 | % (video_id, el_type)) | |
1307 | video_info_webpage = self._download_webpage(video_info_url, video_id, | |
1308 | note=False, | |
1309 | errnote='unable to download video info webpage') | |
1310 | video_info = compat_parse_qs(video_info_webpage) | |
1311 | if 'token' in video_info: | |
1312 | break | |
1313 | if 'token' not in video_info: | |
1314 | if 'reason' in video_info: | |
1315 | raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0], expected=True) | |
1316 | else: | |
1317 | raise ExtractorError(u'"token" parameter not in video info for unknown reason') | |
1318 | ||
1319 | # Check for "rental" videos | |
1320 | if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info: | |
1321 | raise ExtractorError(u'"rental" videos not supported') | |
1322 | ||
1323 | # Start extracting information | |
1324 | self.report_information_extraction(video_id) | |
1325 | ||
1326 | # uploader | |
1327 | if 'author' not in video_info: | |
1328 | raise ExtractorError(u'Unable to extract uploader name') | |
1329 | video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0]) | |
1330 | ||
1331 | # uploader_id | |
1332 | video_uploader_id = None | |
1333 | mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage) | |
1334 | if mobj is not None: | |
1335 | video_uploader_id = mobj.group(1) | |
1336 | else: | |
1337 | self._downloader.report_warning(u'unable to extract uploader nickname') | |
1338 | ||
1339 | # title | |
1340 | if 'title' in video_info: | |
1341 | video_title = compat_urllib_parse.unquote_plus(video_info['title'][0]) | |
1342 | else: | |
1343 | self._downloader.report_warning(u'Unable to extract video title') | |
1344 | video_title = u'_' | |
1345 | ||
1346 | # thumbnail image | |
1347 | # We try first to get a high quality image: | |
1348 | m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">', | |
1349 | video_webpage, re.DOTALL) | |
1350 | if m_thumb is not None: | |
1351 | video_thumbnail = m_thumb.group(1) | |
1352 | elif 'thumbnail_url' not in video_info: | |
1353 | self._downloader.report_warning(u'unable to extract video thumbnail') | |
1354 | video_thumbnail = None | |
1355 | else: # don't panic if we can't find it | |
1356 | video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0]) | |
1357 | ||
1358 | # upload date | |
1359 | upload_date = None | |
1360 | mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL) | |
1361 | if mobj is not None: | |
1362 | upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split()) | |
1363 | upload_date = unified_strdate(upload_date) | |
1364 | ||
1365 | # description | |
1366 | video_description = get_element_by_id("eow-description", video_webpage) | |
1367 | if video_description: | |
1368 | video_description = clean_html(video_description) | |
1369 | else: | |
1370 | fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage) | |
1371 | if fd_mobj: | |
1372 | video_description = unescapeHTML(fd_mobj.group(1)) | |
1373 | else: | |
1374 | video_description = u'' | |
1375 | ||
1376 | # subtitles | |
1377 | video_subtitles = self.extract_subtitles(video_id, video_webpage) | |
1378 | ||
1379 | if self._downloader.params.get('listsubtitles', False): | |
1380 | self._list_available_subtitles(video_id, video_webpage) | |
1381 | return | |
1382 | ||
1383 | if 'length_seconds' not in video_info: | |
1384 | self._downloader.report_warning(u'unable to extract video duration') | |
1385 | video_duration = '' | |
1386 | else: | |
1387 | video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0]) | |
1388 | ||
1389 | # annotations | |
1390 | video_annotations = None | |
1391 | if self._downloader.params.get('writeannotations', False): | |
1392 | video_annotations = self._extract_annotations(video_id) | |
1393 | ||
1394 | # Decide which formats to download | |
1395 | ||
1396 | try: | |
1397 | mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage) | |
1398 | if not mobj: | |
1399 | raise ValueError('Could not find vevo ID') | |
1400 | info = json.loads(mobj.group(1)) | |
1401 | args = info['args'] | |
1402 | # Easy way to know if the 's' value is in url_encoded_fmt_stream_map | |
1403 | # this signatures are encrypted | |
1404 | if 'url_encoded_fmt_stream_map' not in args: | |
1405 | raise ValueError(u'No stream_map present') # caught below | |
1406 | m_s = re.search(r'[&,]s=', args['url_encoded_fmt_stream_map']) | |
1407 | if m_s is not None: | |
1408 | self.to_screen(u'%s: Encrypted signatures detected.' % video_id) | |
1409 | video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']] | |
1410 | m_s = re.search(r'[&,]s=', args.get('adaptive_fmts', u'')) | |
1411 | if m_s is not None: | |
1412 | if 'url_encoded_fmt_stream_map' in video_info: | |
1413 | video_info['url_encoded_fmt_stream_map'][0] += ',' + args['adaptive_fmts'] | |
1414 | else: | |
1415 | video_info['url_encoded_fmt_stream_map'] = [args['adaptive_fmts']] | |
1416 | elif 'adaptive_fmts' in video_info: | |
1417 | if 'url_encoded_fmt_stream_map' in video_info: | |
1418 | video_info['url_encoded_fmt_stream_map'][0] += ',' + video_info['adaptive_fmts'][0] | |
1419 | else: | |
1420 | video_info['url_encoded_fmt_stream_map'] = video_info['adaptive_fmts'] | |
1421 | except ValueError: | |
1422 | pass | |
1423 | ||
1424 | if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'): | |
1425 | self.report_rtmp_download() | |
1426 | video_url_list = [(None, video_info['conn'][0])] | |
1427 | elif 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1: | |
1428 | if 'rtmpe%3Dyes' in video_info['url_encoded_fmt_stream_map'][0]: | |
1429 | raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True) | |
1430 | url_map = {} | |
1431 | for url_data_str in video_info['url_encoded_fmt_stream_map'][0].split(','): | |
1432 | url_data = compat_parse_qs(url_data_str) | |
1433 | if 'itag' in url_data and 'url' in url_data: | |
1434 | url = url_data['url'][0] | |
1435 | if 'sig' in url_data: | |
1436 | url += '&signature=' + url_data['sig'][0] | |
1437 | elif 's' in url_data: | |
1438 | encrypted_sig = url_data['s'][0] | |
1439 | if self._downloader.params.get('verbose'): | |
1440 | if age_gate: | |
1441 | if player_url is None: | |
1442 | player_version = 'unknown' | |
1443 | else: | |
1444 | player_version = self._search_regex( | |
1445 | r'-(.+)\.swf$', player_url, | |
1446 | u'flash player', fatal=False) | |
1447 | player_desc = 'flash player %s' % player_version | |
1448 | else: | |
1449 | player_version = self._search_regex( | |
1450 | r'html5player-(.+?)\.js', video_webpage, | |
1451 | 'html5 player', fatal=False) | |
1452 | player_desc = u'html5 player %s' % player_version | |
1453 | ||
1454 | parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.')) | |
1455 | self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' % | |
1456 | (len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc)) | |
1457 | ||
1458 | if not age_gate: | |
1459 | jsplayer_url_json = self._search_regex( | |
1460 | r'"assets":.+?"js":\s*("[^"]+")', | |
1461 | video_webpage, u'JS player URL') | |
1462 | player_url = json.loads(jsplayer_url_json) | |
1463 | ||
1464 | signature = self._decrypt_signature( | |
1465 | encrypted_sig, video_id, player_url, age_gate) | |
1466 | url += '&signature=' + signature | |
1467 | if 'ratebypass' not in url: | |
1468 | url += '&ratebypass=yes' | |
1469 | url_map[url_data['itag'][0]] = url | |
1470 | video_url_list = self._get_video_url_list(url_map) | |
1471 | if not video_url_list: | |
1472 | return | |
1473 | elif video_info.get('hlsvp'): | |
1474 | manifest_url = video_info['hlsvp'][0] | |
1475 | url_map = self._extract_from_m3u8(manifest_url, video_id) | |
1476 | video_url_list = self._get_video_url_list(url_map) | |
1477 | if not video_url_list: | |
1478 | return | |
1479 | ||
1480 | else: | |
1481 | raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info') | |
1482 | ||
1483 | results = [] | |
1484 | for format_param, video_real_url in video_url_list: | |
1485 | # Extension | |
1486 | video_extension = self._video_extensions.get(format_param, 'flv') | |
1487 | ||
1488 | video_format = '{0} - {1}{2}'.format(format_param if format_param else video_extension, | |
1489 | self._video_dimensions.get(format_param, '???'), | |
1490 | ' ('+self._special_itags[format_param]+')' if format_param in self._special_itags else '') | |
1491 | ||
1492 | results.append({ | |
1493 | 'id': video_id, | |
1494 | 'url': video_real_url, | |
1495 | 'uploader': video_uploader, | |
1496 | 'uploader_id': video_uploader_id, | |
1497 | 'upload_date': upload_date, | |
1498 | 'title': video_title, | |
1499 | 'ext': video_extension, | |
1500 | 'format': video_format, | |
1501 | 'thumbnail': video_thumbnail, | |
1502 | 'description': video_description, | |
1503 | 'player_url': player_url, | |
1504 | 'subtitles': video_subtitles, | |
1505 | 'duration': video_duration, | |
1506 | 'age_limit': 18 if age_gate else 0, | |
1507 | 'annotations': video_annotations | |
1508 | }) | |
1509 | return results | |
1510 | ||
1511 | class YoutubePlaylistIE(InfoExtractor): | |
1512 | IE_DESC = u'YouTube.com playlists' | |
1513 | _VALID_URL = r"""(?: | |
1514 | (?:https?://)? | |
1515 | (?:\w+\.)? | |
1516 | youtube\.com/ | |
1517 | (?: | |
1518 | (?:course|view_play_list|my_playlists|artist|playlist|watch) | |
1519 | \? (?:.*?&)*? (?:p|a|list)= | |
1520 | | p/ | |
1521 | ) | |
1522 | ((?:PL|EC|UU|FL)?[0-9A-Za-z-_]{10,}) | |
1523 | .* | |
1524 | | | |
1525 | ((?:PL|EC|UU|FL)[0-9A-Za-z-_]{10,}) | |
1526 | )""" | |
1527 | _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none' | |
1528 | _MAX_RESULTS = 50 | |
1529 | IE_NAME = u'youtube:playlist' | |
1530 | ||
1531 | @classmethod | |
1532 | def suitable(cls, url): | |
1533 | """Receives a URL and returns True if suitable for this IE.""" | |
1534 | return re.match(cls._VALID_URL, url, re.VERBOSE) is not None | |
1535 | ||
1536 | def _real_extract(self, url): | |
1537 | # Extract playlist id | |
1538 | mobj = re.match(self._VALID_URL, url, re.VERBOSE) | |
1539 | if mobj is None: | |
1540 | raise ExtractorError(u'Invalid URL: %s' % url) | |
1541 | playlist_id = mobj.group(1) or mobj.group(2) | |
1542 | ||
1543 | # Check if it's a video-specific URL | |
1544 | query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query) | |
1545 | if 'v' in query_dict: | |
1546 | video_id = query_dict['v'][0] | |
1547 | if self._downloader.params.get('noplaylist'): | |
1548 | self.to_screen(u'Downloading just video %s because of --no-playlist' % video_id) | |
1549 | return self.url_result('https://www.youtube.com/watch?v=' + video_id, 'Youtube') | |
1550 | else: | |
1551 | self.to_screen(u'Downloading playlist PL%s - add --no-playlist to just download video %s' % (playlist_id, video_id)) | |
1552 | ||
1553 | # Download playlist videos from API | |
1554 | videos = [] | |
1555 | ||
1556 | for page_num in itertools.count(1): | |
1557 | start_index = self._MAX_RESULTS * (page_num - 1) + 1 | |
1558 | if start_index >= 1000: | |
1559 | self._downloader.report_warning(u'Max number of results reached') | |
1560 | break | |
1561 | url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, start_index) | |
1562 | page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num) | |
1563 | ||
1564 | try: | |
1565 | response = json.loads(page) | |
1566 | except ValueError as err: | |
1567 | raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err)) | |
1568 | ||
1569 | if 'feed' not in response: | |
1570 | raise ExtractorError(u'Got a malformed response from YouTube API') | |
1571 | playlist_title = response['feed']['title']['$t'] | |
1572 | if 'entry' not in response['feed']: | |
1573 | # Number of videos is a multiple of self._MAX_RESULTS | |
1574 | break | |
1575 | ||
1576 | for entry in response['feed']['entry']: | |
1577 | index = entry['yt$position']['$t'] | |
1578 | if 'media$group' in entry and 'yt$videoid' in entry['media$group']: | |
1579 | videos.append(( | |
1580 | index, | |
1581 | 'https://www.youtube.com/watch?v=' + entry['media$group']['yt$videoid']['$t'] | |
1582 | )) | |
1583 | ||
1584 | videos = [v[1] for v in sorted(videos)] | |
1585 | ||
1586 | url_results = [self.url_result(vurl, 'Youtube') for vurl in videos] | |
1587 | return [self.playlist_result(url_results, playlist_id, playlist_title)] | |
1588 | ||
1589 | ||
1590 | class YoutubeChannelIE(InfoExtractor): | |
1591 | IE_DESC = u'YouTube.com channels' | |
1592 | _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)" | |
1593 | _TEMPLATE_URL = 'http://www.youtube.com/channel/%s/videos?sort=da&flow=list&view=0&page=%s&gl=US&hl=en' | |
1594 | _MORE_PAGES_INDICATOR = 'yt-uix-load-more' | |
1595 | _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' | |
1596 | IE_NAME = u'youtube:channel' | |
1597 | ||
1598 | def extract_videos_from_page(self, page): | |
1599 | ids_in_page = [] | |
1600 | for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page): | |
1601 | if mobj.group(1) not in ids_in_page: | |
1602 | ids_in_page.append(mobj.group(1)) | |
1603 | return ids_in_page | |
1604 | ||
1605 | def _real_extract(self, url): | |
1606 | # Extract channel id | |
1607 | mobj = re.match(self._VALID_URL, url) | |
1608 | if mobj is None: | |
1609 | raise ExtractorError(u'Invalid URL: %s' % url) | |
1610 | ||
1611 | # Download channel page | |
1612 | channel_id = mobj.group(1) | |
1613 | video_ids = [] | |
1614 | pagenum = 1 | |
1615 | ||
1616 | url = self._TEMPLATE_URL % (channel_id, pagenum) | |
1617 | page = self._download_webpage(url, channel_id, | |
1618 | u'Downloading page #%s' % pagenum) | |
1619 | ||
1620 | # Extract video identifiers | |
1621 | ids_in_page = self.extract_videos_from_page(page) | |
1622 | video_ids.extend(ids_in_page) | |
1623 | ||
1624 | # Download any subsequent channel pages using the json-based channel_ajax query | |
1625 | if self._MORE_PAGES_INDICATOR in page: | |
1626 | for pagenum in itertools.count(1): | |
1627 | url = self._MORE_PAGES_URL % (pagenum, channel_id) | |
1628 | page = self._download_webpage(url, channel_id, | |
1629 | u'Downloading page #%s' % pagenum) | |
1630 | ||
1631 | page = json.loads(page) | |
1632 | ||
1633 | ids_in_page = self.extract_videos_from_page(page['content_html']) | |
1634 | video_ids.extend(ids_in_page) | |
1635 | ||
1636 | if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']: | |
1637 | break | |
1638 | ||
1639 | self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids))) | |
1640 | ||
1641 | urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids] | |
1642 | url_entries = [self.url_result(eurl, 'Youtube') for eurl in urls] | |
1643 | return [self.playlist_result(url_entries, channel_id)] | |
1644 | ||
1645 | ||
1646 | class YoutubeUserIE(InfoExtractor): | |
1647 | IE_DESC = u'YouTube.com user videos (URL or "ytuser" keyword)' | |
1648 | _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?(?!(?:attribution_link|watch)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)([A-Za-z0-9_-]+)' | |
1649 | _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s' | |
1650 | _GDATA_PAGE_SIZE = 50 | |
1651 | _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json' | |
1652 | IE_NAME = u'youtube:user' | |
1653 | ||
1654 | @classmethod | |
1655 | def suitable(cls, url): | |
1656 | # Don't return True if the url can be extracted with other youtube | |
1657 | # extractor, the regex would is too permissive and it would match. | |
1658 | other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls) | |
1659 | if any(ie.suitable(url) for ie in other_ies): return False | |
1660 | else: return super(YoutubeUserIE, cls).suitable(url) | |
1661 | ||
1662 | def _real_extract(self, url): | |
1663 | # Extract username | |
1664 | mobj = re.match(self._VALID_URL, url) | |
1665 | if mobj is None: | |
1666 | raise ExtractorError(u'Invalid URL: %s' % url) | |
1667 | ||
1668 | username = mobj.group(1) | |
1669 | ||
1670 | # Download video ids using YouTube Data API. Result size per | |
1671 | # query is limited (currently to 50 videos) so we need to query | |
1672 | # page by page until there are no video ids - it means we got | |
1673 | # all of them. | |
1674 | ||
1675 | video_ids = [] | |
1676 | ||
1677 | for pagenum in itertools.count(0): | |
1678 | start_index = pagenum * self._GDATA_PAGE_SIZE + 1 | |
1679 | ||
1680 | gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index) | |
1681 | page = self._download_webpage(gdata_url, username, | |
1682 | u'Downloading video ids from %d to %d' % (start_index, start_index + self._GDATA_PAGE_SIZE)) | |
1683 | ||
1684 | try: | |
1685 | response = json.loads(page) | |
1686 | except ValueError as err: | |
1687 | raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err)) | |
1688 | if 'entry' not in response['feed']: | |
1689 | # Number of videos is a multiple of self._MAX_RESULTS | |
1690 | break | |
1691 | ||
1692 | # Extract video identifiers | |
1693 | ids_in_page = [] | |
1694 | for entry in response['feed']['entry']: | |
1695 | ids_in_page.append(entry['id']['$t'].split('/')[-1]) | |
1696 | video_ids.extend(ids_in_page) | |
1697 | ||
1698 | # A little optimization - if current page is not | |
1699 | # "full", ie. does not contain PAGE_SIZE video ids then | |
1700 | # we can assume that this page is the last one - there | |
1701 | # are no more ids on further pages - no need to query | |
1702 | # again. | |
1703 | ||
1704 | if len(ids_in_page) < self._GDATA_PAGE_SIZE: | |
1705 | break | |
1706 | ||
1707 | urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids] | |
1708 | url_results = [self.url_result(rurl, 'Youtube') for rurl in urls] | |
1709 | return [self.playlist_result(url_results, playlist_title = username)] | |
1710 | ||
1711 | class YoutubeSearchIE(SearchInfoExtractor): | |
1712 | IE_DESC = u'YouTube.com searches' | |
1713 | _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc' | |
1714 | _MAX_RESULTS = 1000 | |
1715 | IE_NAME = u'youtube:search' | |
1716 | _SEARCH_KEY = 'ytsearch' | |
1717 | ||
1718 | def report_download_page(self, query, pagenum): | |
1719 | """Report attempt to download search page with given number.""" | |
1720 | self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum)) | |
1721 | ||
1722 | def _get_n_results(self, query, n): | |
1723 | """Get a specified number of results for a query""" | |
1724 | ||
1725 | video_ids = [] | |
1726 | pagenum = 0 | |
1727 | limit = n | |
1728 | ||
1729 | while (50 * pagenum) < limit: | |
1730 | self.report_download_page(query, pagenum+1) | |
1731 | result_url = self._API_URL % (compat_urllib_parse.quote_plus(query), (50*pagenum)+1) | |
1732 | request = compat_urllib_request.Request(result_url) | |
1733 | try: | |
1734 | data = compat_urllib_request.urlopen(request).read().decode('utf-8') | |
1735 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
1736 | raise ExtractorError(u'Unable to download API page: %s' % compat_str(err)) | |
1737 | api_response = json.loads(data)['data'] | |
1738 | ||
1739 | if not 'items' in api_response: | |
1740 | raise ExtractorError(u'[youtube] No video results') | |
1741 | ||
1742 | new_ids = list(video['id'] for video in api_response['items']) | |
1743 | video_ids += new_ids | |
1744 | ||
1745 | limit = min(n, api_response['totalItems']) | |
1746 | pagenum += 1 | |
1747 | ||
1748 | if len(video_ids) > n: | |
1749 | video_ids = video_ids[:n] | |
1750 | videos = [self.url_result('http://www.youtube.com/watch?v=%s' % id, 'Youtube') for id in video_ids] | |
1751 | return self.playlist_result(videos, query) | |
1752 | ||
1753 | ||
1754 | class YoutubeShowIE(InfoExtractor): | |
1755 | IE_DESC = u'YouTube.com (multi-season) shows' | |
1756 | _VALID_URL = r'https?://www\.youtube\.com/show/(.*)' | |
1757 | IE_NAME = u'youtube:show' | |
1758 | ||
1759 | def _real_extract(self, url): | |
1760 | mobj = re.match(self._VALID_URL, url) | |
1761 | show_name = mobj.group(1) | |
1762 | webpage = self._download_webpage(url, show_name, u'Downloading show webpage') | |
1763 | # There's one playlist for each season of the show | |
1764 | m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage)) | |
1765 | self.to_screen(u'%s: Found %s seasons' % (show_name, len(m_seasons))) | |
1766 | return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons] | |
1767 | ||
1768 | ||
1769 | class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor): | |
1770 | """ | |
1771 | Base class for extractors that fetch info from | |
1772 | http://www.youtube.com/feed_ajax | |
1773 | Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties. | |
1774 | """ | |
1775 | _LOGIN_REQUIRED = True | |
1776 | _PAGING_STEP = 30 | |
1777 | # use action_load_personal_feed instead of action_load_system_feed | |
1778 | _PERSONAL_FEED = False | |
1779 | ||
1780 | @property | |
1781 | def _FEED_TEMPLATE(self): | |
1782 | action = 'action_load_system_feed' | |
1783 | if self._PERSONAL_FEED: | |
1784 | action = 'action_load_personal_feed' | |
1785 | return 'http://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME) | |
1786 | ||
1787 | @property | |
1788 | def IE_NAME(self): | |
1789 | return u'youtube:%s' % self._FEED_NAME | |
1790 | ||
1791 | def _real_initialize(self): | |
1792 | self._login() | |
1793 | ||
1794 | def _real_extract(self, url): | |
1795 | feed_entries = [] | |
1796 | # The step argument is available only in 2.7 or higher | |
1797 | for i in itertools.count(0): | |
1798 | paging = i*self._PAGING_STEP | |
1799 | info = self._download_webpage(self._FEED_TEMPLATE % paging, | |
1800 | u'%s feed' % self._FEED_NAME, | |
1801 | u'Downloading page %s' % i) | |
1802 | info = json.loads(info) | |
1803 | feed_html = info['feed_html'] | |
1804 | m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html) | |
1805 | ids = orderedSet(m.group(1) for m in m_ids) | |
1806 | feed_entries.extend(self.url_result(id, 'Youtube') for id in ids) | |
1807 | if info['paging'] is None: | |
1808 | break | |
1809 | return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE) | |
1810 | ||
1811 | class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor): | |
1812 | IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)' | |
1813 | _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?' | |
1814 | _FEED_NAME = 'subscriptions' | |
1815 | _PLAYLIST_TITLE = u'Youtube Subscriptions' | |
1816 | ||
1817 | class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor): | |
1818 | IE_DESC = u'YouTube.com recommended videos, "ytrec" keyword (requires authentication)' | |
1819 | _VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?' | |
1820 | _FEED_NAME = 'recommended' | |
1821 | _PLAYLIST_TITLE = u'Youtube Recommended videos' | |
1822 | ||
1823 | class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor): | |
1824 | IE_DESC = u'Youtube watch later list, "ytwatchlater" keyword (requires authentication)' | |
1825 | _VALID_URL = r'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater' | |
1826 | _FEED_NAME = 'watch_later' | |
1827 | _PLAYLIST_TITLE = u'Youtube Watch Later' | |
1828 | _PAGING_STEP = 100 | |
1829 | _PERSONAL_FEED = True | |
1830 | ||
1831 | class YoutubeFavouritesIE(YoutubeBaseInfoExtractor): | |
1832 | IE_NAME = u'youtube:favorites' | |
1833 | IE_DESC = u'YouTube.com favourite videos, "ytfav" keyword (requires authentication)' | |
1834 | _VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?' | |
1835 | _LOGIN_REQUIRED = True | |
1836 | ||
1837 | def _real_extract(self, url): | |
1838 | webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos') | |
1839 | playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, u'favourites playlist id') | |
1840 | return self.url_result(playlist_id, 'YoutubePlaylist') | |
1841 | ||
1842 | ||
1843 | class YoutubeTruncatedURLIE(InfoExtractor): | |
1844 | IE_NAME = 'youtube:truncated_url' | |
1845 | IE_DESC = False # Do not list | |
1846 | _VALID_URL = r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$' | |
1847 | ||
1848 | def _real_extract(self, url): | |
1849 | raise ExtractorError( | |
1850 | u'Did you forget to quote the URL? Remember that & is a meta ' | |
1851 | u'character in most shells, so you want to put the URL in quotes, ' | |
1852 | u'like youtube-dl ' | |
1853 | u'\'http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc\'' | |
1854 | u' (or simply youtube-dl BaW_jenozKc ).', | |
1855 | expected=True) |