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Commit | Line | Data |
---|---|---|
c5e8d7af | 1 | # coding: utf-8 |
c5e8d7af | 2 | |
e0df6211 | 3 | import collections |
edf3e38e | 4 | import errno |
e0df6211 | 5 | import io |
0ca96d48 | 6 | import itertools |
c5e8d7af | 7 | import json |
c4417ddb | 8 | import os.path |
c5e8d7af PH |
9 | import re |
10 | import socket | |
e0df6211 PH |
11 | import string |
12 | import struct | |
13 | import traceback | |
0ca96d48 | 14 | import xml.etree.ElementTree |
e0df6211 | 15 | import zlib |
c5e8d7af | 16 | |
b05654f0 | 17 | from .common import InfoExtractor, SearchInfoExtractor |
54d39d8b | 18 | from .subtitles import SubtitlesInfoExtractor |
c5e8d7af | 19 | from ..utils import ( |
edf3e38e | 20 | compat_chr, |
c5e8d7af PH |
21 | compat_http_client, |
22 | compat_parse_qs, | |
23 | compat_urllib_error, | |
24 | compat_urllib_parse, | |
25 | compat_urllib_request, | |
26 | compat_str, | |
27 | ||
28 | clean_html, | |
29 | get_element_by_id, | |
30 | ExtractorError, | |
31 | unescapeHTML, | |
32 | unified_strdate, | |
04cc9617 | 33 | orderedSet, |
edf3e38e | 34 | write_json_file, |
c5e8d7af PH |
35 | ) |
36 | ||
de7f3446 | 37 | class YoutubeBaseInfoExtractor(InfoExtractor): |
b2e8bc1b JMF |
38 | """Provide base functions for Youtube extractors""" |
39 | _LOGIN_URL = 'https://accounts.google.com/ServiceLogin' | |
40 | _LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1' | |
41 | _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en' | |
42 | _NETRC_MACHINE = 'youtube' | |
43 | # If True it will raise an error if no login info is provided | |
44 | _LOGIN_REQUIRED = False | |
45 | ||
46 | def report_lang(self): | |
47 | """Report attempt to set language.""" | |
48 | self.to_screen(u'Setting language') | |
49 | ||
50 | def _set_language(self): | |
51 | request = compat_urllib_request.Request(self._LANG_URL) | |
52 | try: | |
53 | self.report_lang() | |
54 | compat_urllib_request.urlopen(request).read() | |
55 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
56 | self._downloader.report_warning(u'unable to set language: %s' % compat_str(err)) | |
57 | return False | |
58 | return True | |
59 | ||
60 | def _login(self): | |
61 | (username, password) = self._get_login_info() | |
62 | # No authentication to be performed | |
63 | if username is None: | |
64 | if self._LOGIN_REQUIRED: | |
65 | raise ExtractorError(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True) | |
66 | return False | |
67 | ||
68 | request = compat_urllib_request.Request(self._LOGIN_URL) | |
69 | try: | |
70 | login_page = compat_urllib_request.urlopen(request).read().decode('utf-8') | |
71 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
72 | self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err)) | |
73 | return False | |
74 | ||
75 | galx = None | |
76 | dsh = None | |
77 | match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page) | |
78 | if match: | |
79 | galx = match.group(1) | |
80 | match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page) | |
81 | if match: | |
82 | dsh = match.group(1) | |
c5e8d7af | 83 | |
b2e8bc1b JMF |
84 | # Log in |
85 | login_form_strs = { | |
86 | u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1', | |
87 | u'Email': username, | |
88 | u'GALX': galx, | |
89 | u'Passwd': password, | |
90 | u'PersistentCookie': u'yes', | |
91 | u'_utf8': u'霱', | |
92 | u'bgresponse': u'js_disabled', | |
93 | u'checkConnection': u'', | |
94 | u'checkedDomains': u'youtube', | |
95 | u'dnConn': u'', | |
96 | u'dsh': dsh, | |
97 | u'pstMsg': u'0', | |
98 | u'rmShown': u'1', | |
99 | u'secTok': u'', | |
100 | u'signIn': u'Sign in', | |
101 | u'timeStmp': u'', | |
102 | u'service': u'youtube', | |
103 | u'uilel': u'3', | |
104 | u'hl': u'en_US', | |
105 | } | |
106 | # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode | |
107 | # chokes on unicode | |
108 | login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items()) | |
109 | login_data = compat_urllib_parse.urlencode(login_form).encode('ascii') | |
110 | request = compat_urllib_request.Request(self._LOGIN_URL, login_data) | |
111 | try: | |
112 | self.report_login() | |
113 | login_results = compat_urllib_request.urlopen(request).read().decode('utf-8') | |
114 | if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None: | |
115 | self._downloader.report_warning(u'unable to log in: bad username or password') | |
116 | return False | |
117 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
118 | self._downloader.report_warning(u'unable to log in: %s' % compat_str(err)) | |
119 | return False | |
120 | return True | |
121 | ||
122 | def _confirm_age(self): | |
123 | age_form = { | |
124 | 'next_url': '/', | |
125 | 'action_confirm': 'Confirm', | |
126 | } | |
127 | request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form)) | |
128 | try: | |
129 | self.report_age_confirmation() | |
130 | compat_urllib_request.urlopen(request).read().decode('utf-8') | |
131 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
132 | raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err)) | |
133 | return True | |
134 | ||
135 | def _real_initialize(self): | |
136 | if self._downloader is None: | |
137 | return | |
138 | if not self._set_language(): | |
139 | return | |
140 | if not self._login(): | |
141 | return | |
142 | self._confirm_age() | |
c5e8d7af | 143 | |
8377574c | 144 | |
de7f3446 | 145 | class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): |
0f818663 | 146 | IE_DESC = u'YouTube.com' |
c5e8d7af PH |
147 | _VALID_URL = r"""^ |
148 | ( | |
149 | (?:https?://)? # http(s):// (optional) | |
f4b05232 | 150 | (?:(?:(?:(?:\w+\.)?youtube(?:-nocookie)?\.com/| |
e69ae5b9 JMF |
151 | tube\.majestyc\.net/| |
152 | youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains | |
c5e8d7af PH |
153 | (?:.*?\#/)? # handle anchor (#/) redirect urls |
154 | (?: # the various things that can precede the ID: | |
155 | (?:(?:v|embed|e)/) # v/ or embed/ or e/ | |
156 | |(?: # or the v= param in all its forms | |
d741e55a | 157 | (?:(?:watch|movie)(?:_popup)?(?:\.php)?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx) |
c5e8d7af PH |
158 | (?:\?|\#!?) # the params delimiter ? or # or #! |
159 | (?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx) | |
160 | v= | |
161 | ) | |
f4b05232 JMF |
162 | )) |
163 | |youtu\.be/ # just youtu.be/xxxx | |
164 | ) | |
c5e8d7af | 165 | )? # all until now is optional -> you can pass the naked ID |
8963d9c2 | 166 | ([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID |
c5e8d7af PH |
167 | (?(1).+)? # if we found the ID, everything can follow |
168 | $""" | |
c5e8d7af | 169 | _NEXT_URL_RE = r'[\?&]next_url=([^&]+)' |
c5e8d7af | 170 | # Listed in order of quality |
bdc6b3fc | 171 | _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '36', '17', '13', |
96fb5605 | 172 | # Apple HTTP Live Streaming |
bdc6b3fc | 173 | '96', '95', '94', '93', '92', '132', '151', |
939fbd26 JMF |
174 | # 3D |
175 | '85', '84', '102', '83', '101', '82', '100', | |
176 | # Dash video | |
177 | '138', '137', '248', '136', '247', '135', '246', | |
178 | '245', '244', '134', '243', '133', '242', '160', | |
179 | # Dash audio | |
180 | '141', '172', '140', '171', '139', | |
1d043b93 | 181 | ] |
bdc6b3fc | 182 | _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '36', '17', '13', |
96fb5605 | 183 | # Apple HTTP Live Streaming |
bdc6b3fc AZ |
184 | '96', '95', '94', '93', '92', '132', '151', |
185 | # 3D | |
86fe61c8 | 186 | '85', '102', '84', '101', '83', '100', '82', |
939fbd26 JMF |
187 | # Dash video |
188 | '138', '248', '137', '247', '136', '246', '245', | |
189 | '244', '135', '243', '134', '242', '133', '160', | |
190 | # Dash audio | |
191 | '172', '141', '171', '140', '139', | |
1d043b93 | 192 | ] |
bdc6b3fc AZ |
193 | _video_formats_map = { |
194 | 'flv': ['35', '34', '6', '5'], | |
195 | '3gp': ['36', '17', '13'], | |
196 | 'mp4': ['38', '37', '22', '18'], | |
197 | 'webm': ['46', '45', '44', '43'], | |
198 | } | |
c5e8d7af PH |
199 | _video_extensions = { |
200 | '13': '3gp', | |
bdc6b3fc | 201 | '17': '3gp', |
c5e8d7af PH |
202 | '18': 'mp4', |
203 | '22': 'mp4', | |
bdc6b3fc | 204 | '36': '3gp', |
c5e8d7af | 205 | '37': 'mp4', |
d69cf69a | 206 | '38': 'mp4', |
c5e8d7af PH |
207 | '43': 'webm', |
208 | '44': 'webm', | |
209 | '45': 'webm', | |
210 | '46': 'webm', | |
1d043b93 | 211 | |
86fe61c8 AZ |
212 | # 3d videos |
213 | '82': 'mp4', | |
214 | '83': 'mp4', | |
215 | '84': 'mp4', | |
216 | '85': 'mp4', | |
217 | '100': 'webm', | |
218 | '101': 'webm', | |
219 | '102': 'webm', | |
836a086c | 220 | |
96fb5605 | 221 | # Apple HTTP Live Streaming |
1d043b93 JMF |
222 | '92': 'mp4', |
223 | '93': 'mp4', | |
224 | '94': 'mp4', | |
225 | '95': 'mp4', | |
226 | '96': 'mp4', | |
227 | '132': 'mp4', | |
228 | '151': 'mp4', | |
836a086c AZ |
229 | |
230 | # Dash mp4 | |
231 | '133': 'mp4', | |
232 | '134': 'mp4', | |
233 | '135': 'mp4', | |
234 | '136': 'mp4', | |
235 | '137': 'mp4', | |
236 | '138': 'mp4', | |
237 | '139': 'mp4', | |
238 | '140': 'mp4', | |
239 | '141': 'mp4', | |
240 | '160': 'mp4', | |
241 | ||
242 | # Dash webm | |
243 | '171': 'webm', | |
244 | '172': 'webm', | |
245 | '242': 'webm', | |
246 | '243': 'webm', | |
247 | '244': 'webm', | |
248 | '245': 'webm', | |
249 | '246': 'webm', | |
250 | '247': 'webm', | |
251 | '248': 'webm', | |
c5e8d7af PH |
252 | } |
253 | _video_dimensions = { | |
254 | '5': '240x400', | |
255 | '6': '???', | |
256 | '13': '???', | |
257 | '17': '144x176', | |
258 | '18': '360x640', | |
259 | '22': '720x1280', | |
260 | '34': '360x640', | |
261 | '35': '480x854', | |
bdc6b3fc | 262 | '36': '240x320', |
c5e8d7af PH |
263 | '37': '1080x1920', |
264 | '38': '3072x4096', | |
265 | '43': '360x640', | |
266 | '44': '480x854', | |
267 | '45': '720x1280', | |
268 | '46': '1080x1920', | |
86fe61c8 AZ |
269 | '82': '360p', |
270 | '83': '480p', | |
271 | '84': '720p', | |
272 | '85': '1080p', | |
1d043b93 JMF |
273 | '92': '240p', |
274 | '93': '360p', | |
275 | '94': '480p', | |
276 | '95': '720p', | |
277 | '96': '1080p', | |
86fe61c8 AZ |
278 | '100': '360p', |
279 | '101': '480p', | |
836a086c | 280 | '102': '720p', |
1d043b93 JMF |
281 | '132': '240p', |
282 | '151': '72p', | |
836a086c AZ |
283 | '133': '240p', |
284 | '134': '360p', | |
285 | '135': '480p', | |
286 | '136': '720p', | |
287 | '137': '1080p', | |
288 | '138': '>1080p', | |
289 | '139': '48k', | |
290 | '140': '128k', | |
291 | '141': '256k', | |
292 | '160': '192p', | |
293 | '171': '128k', | |
294 | '172': '256k', | |
295 | '242': '240p', | |
296 | '243': '360p', | |
297 | '244': '480p', | |
298 | '245': '480p', | |
299 | '246': '480p', | |
300 | '247': '720p', | |
301 | '248': '1080p', | |
c5e8d7af | 302 | } |
836a086c AZ |
303 | _special_itags = { |
304 | '82': '3D', | |
305 | '83': '3D', | |
306 | '84': '3D', | |
307 | '85': '3D', | |
308 | '100': '3D', | |
309 | '101': '3D', | |
310 | '102': '3D', | |
311 | '133': 'DASH Video', | |
312 | '134': 'DASH Video', | |
313 | '135': 'DASH Video', | |
314 | '136': 'DASH Video', | |
315 | '137': 'DASH Video', | |
316 | '138': 'DASH Video', | |
317 | '139': 'DASH Audio', | |
318 | '140': 'DASH Audio', | |
319 | '141': 'DASH Audio', | |
320 | '160': 'DASH Video', | |
321 | '171': 'DASH Audio', | |
322 | '172': 'DASH Audio', | |
323 | '242': 'DASH Video', | |
324 | '243': 'DASH Video', | |
325 | '244': 'DASH Video', | |
326 | '245': 'DASH Video', | |
327 | '246': 'DASH Video', | |
328 | '247': 'DASH Video', | |
329 | '248': 'DASH Video', | |
c5e8d7af | 330 | } |
836a086c | 331 | |
c5e8d7af | 332 | IE_NAME = u'youtube' |
2eb88d95 PH |
333 | _TESTS = [ |
334 | { | |
0e853ca4 PH |
335 | u"url": u"http://www.youtube.com/watch?v=BaW_jenozKc", |
336 | u"file": u"BaW_jenozKc.mp4", | |
337 | u"info_dict": { | |
338 | u"title": u"youtube-dl test video \"'/\\ä↭𝕐", | |
339 | u"uploader": u"Philipp Hagemeister", | |
340 | u"uploader_id": u"phihag", | |
341 | u"upload_date": u"20121002", | |
342 | 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 | 343 | } |
0e853ca4 PH |
344 | }, |
345 | { | |
346 | u"url": u"http://www.youtube.com/watch?v=1ltcDfZMA3U", | |
347 | u"file": u"1ltcDfZMA3U.flv", | |
348 | u"note": u"Test VEVO video (#897)", | |
349 | u"info_dict": { | |
350 | u"upload_date": u"20070518", | |
351 | u"title": u"Maps - It Will Find You", | |
352 | u"description": u"Music video by Maps performing It Will Find You.", | |
353 | u"uploader": u"MuteUSA", | |
354 | u"uploader_id": u"MuteUSA" | |
2eb88d95 | 355 | } |
0e853ca4 PH |
356 | }, |
357 | { | |
358 | u"url": u"http://www.youtube.com/watch?v=UxxajLWwzqY", | |
359 | u"file": u"UxxajLWwzqY.mp4", | |
360 | u"note": u"Test generic use_cipher_signature video (#897)", | |
361 | u"info_dict": { | |
362 | u"upload_date": u"20120506", | |
363 | u"title": u"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]", | |
c7bf7366 | 364 | u"description": u"md5:3e2666e0a55044490499ea45fe9037b7", |
45ed795c | 365 | u"uploader": u"Icona Pop", |
0e853ca4 | 366 | u"uploader_id": u"IconaPop" |
2eb88d95 | 367 | } |
c108eb73 JMF |
368 | }, |
369 | { | |
370 | u"url": u"https://www.youtube.com/watch?v=07FYdnEawAQ", | |
371 | u"file": u"07FYdnEawAQ.mp4", | |
372 | u"note": u"Test VEVO video with age protection (#956)", | |
373 | u"info_dict": { | |
374 | u"upload_date": u"20130703", | |
375 | u"title": u"Justin Timberlake - Tunnel Vision (Explicit)", | |
376 | u"description": u"md5:64249768eec3bc4276236606ea996373", | |
377 | u"uploader": u"justintimberlakeVEVO", | |
378 | u"uploader_id": u"justintimberlakeVEVO" | |
379 | } | |
380 | }, | |
1d043b93 JMF |
381 | { |
382 | u'url': u'https://www.youtube.com/watch?v=TGi3HqYrWHE', | |
383 | u'file': u'TGi3HqYrWHE.mp4', | |
384 | u'note': u'm3u8 video', | |
385 | u'info_dict': { | |
386 | u'title': u'Triathlon - Men - London 2012 Olympic Games', | |
387 | u'description': u'- Men - TR02 - Triathlon - 07 August 2012 - London 2012 Olympic Games', | |
388 | u'uploader': u'olympic', | |
389 | u'upload_date': u'20120807', | |
390 | u'uploader_id': u'olympic', | |
391 | }, | |
392 | u'params': { | |
393 | u'skip_download': True, | |
394 | }, | |
395 | }, | |
2eb88d95 PH |
396 | ] |
397 | ||
c5e8d7af PH |
398 | |
399 | @classmethod | |
400 | def suitable(cls, url): | |
401 | """Receives a URL and returns True if suitable for this IE.""" | |
e3ea4790 | 402 | if YoutubePlaylistIE.suitable(url): return False |
c5e8d7af PH |
403 | return re.match(cls._VALID_URL, url, re.VERBOSE) is not None |
404 | ||
e0df6211 PH |
405 | def __init__(self, *args, **kwargs): |
406 | super(YoutubeIE, self).__init__(*args, **kwargs) | |
83799698 | 407 | self._player_cache = {} |
e0df6211 | 408 | |
c5e8d7af PH |
409 | def report_video_webpage_download(self, video_id): |
410 | """Report attempt to download video webpage.""" | |
411 | self.to_screen(u'%s: Downloading video webpage' % video_id) | |
412 | ||
413 | def report_video_info_webpage_download(self, video_id): | |
414 | """Report attempt to download video info webpage.""" | |
415 | self.to_screen(u'%s: Downloading video info webpage' % video_id) | |
416 | ||
c5e8d7af PH |
417 | def report_information_extraction(self, video_id): |
418 | """Report attempt to extract video information.""" | |
419 | self.to_screen(u'%s: Extracting video information' % video_id) | |
420 | ||
421 | def report_unavailable_format(self, video_id, format): | |
422 | """Report extracted video URL.""" | |
423 | self.to_screen(u'%s: Format %s not available' % (video_id, format)) | |
424 | ||
425 | def report_rtmp_download(self): | |
426 | """Indicate the download will use the RTMP protocol.""" | |
427 | self.to_screen(u'RTMP download detected') | |
428 | ||
c4417ddb PH |
429 | def _extract_signature_function(self, video_id, player_url, slen): |
430 | id_m = re.match(r'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$', | |
83799698 | 431 | player_url) |
e0df6211 PH |
432 | player_type = id_m.group('ext') |
433 | player_id = id_m.group('id') | |
434 | ||
c4417ddb PH |
435 | # Read from filesystem cache |
436 | func_id = '%s_%s_%d' % (player_type, player_id, slen) | |
437 | assert os.path.basename(func_id) == func_id | |
edf3e38e PH |
438 | cache_dir = self._downloader.params.get('cachedir', |
439 | u'~/.youtube-dl/cache') | |
c4417ddb | 440 | |
edf3e38e | 441 | if cache_dir != u'NONE': |
c4417ddb PH |
442 | cache_fn = os.path.join(os.path.expanduser(cache_dir), |
443 | u'youtube-sigfuncs', | |
444 | func_id + '.json') | |
445 | try: | |
edf3e38e | 446 | with io.open(cache_fn, 'r', encoding='utf-8') as cachef: |
c4417ddb PH |
447 | cache_spec = json.load(cachef) |
448 | return lambda s: u''.join(s[i] for i in cache_spec) | |
edf3e38e | 449 | except IOError: |
c4417ddb | 450 | pass # No cache available |
83799698 | 451 | |
e0df6211 PH |
452 | if player_type == 'js': |
453 | code = self._download_webpage( | |
454 | player_url, video_id, | |
83799698 | 455 | note=u'Downloading %s player %s' % (player_type, player_id), |
e0df6211 | 456 | errnote=u'Download of %s failed' % player_url) |
83799698 | 457 | res = self._parse_sig_js(code) |
c4417ddb | 458 | elif player_type == 'swf': |
e0df6211 PH |
459 | urlh = self._request_webpage( |
460 | player_url, video_id, | |
83799698 | 461 | note=u'Downloading %s player %s' % (player_type, player_id), |
e0df6211 PH |
462 | errnote=u'Download of %s failed' % player_url) |
463 | code = urlh.read() | |
83799698 | 464 | res = self._parse_sig_swf(code) |
e0df6211 PH |
465 | else: |
466 | assert False, 'Invalid player type %r' % player_type | |
467 | ||
c4417ddb | 468 | if cache_dir is not False: |
edf3e38e PH |
469 | try: |
470 | cache_res = res(map(compat_chr, range(slen))) | |
471 | cache_spec = [ord(c) for c in cache_res] | |
472 | try: | |
473 | os.makedirs(os.path.dirname(cache_fn)) | |
474 | except OSError as ose: | |
475 | if ose.errno != errno.EEXIST: | |
476 | raise | |
477 | write_json_file(cache_spec, cache_fn) | |
0ca96d48 | 478 | except Exception: |
edf3e38e PH |
479 | tb = traceback.format_exc() |
480 | self._downloader.report_warning( | |
481 | u'Writing cache to %r failed: %s' % (cache_fn, tb)) | |
83799698 PH |
482 | |
483 | return res | |
484 | ||
edf3e38e PH |
485 | def _print_sig_code(self, func, slen): |
486 | def gen_sig_code(idxs): | |
487 | def _genslice(start, end, step): | |
488 | starts = u'' if start == 0 else str(start) | |
489 | ends = u':%d' % (end+step) | |
490 | steps = u'' if step == 1 else (':%d' % step) | |
491 | return u's[%s%s%s]' % (starts, ends, steps) | |
492 | ||
493 | step = None | |
0ca96d48 PH |
494 | start = '(Never used)' # Quelch pyflakes warnings - start will be |
495 | # set as soon as step is set | |
edf3e38e PH |
496 | for i, prev in zip(idxs[1:], idxs[:-1]): |
497 | if step is not None: | |
498 | if i - prev == step: | |
499 | continue | |
500 | yield _genslice(start, prev, step) | |
501 | step = None | |
502 | continue | |
503 | if i - prev in [-1, 1]: | |
504 | step = i - prev | |
505 | start = prev | |
506 | continue | |
507 | else: | |
508 | yield u's[%d]' % prev | |
509 | if step is None: | |
510 | yield u's[%d]' % i | |
511 | else: | |
512 | yield _genslice(start, i, step) | |
513 | ||
514 | cache_res = func(map(compat_chr, range(slen))) | |
515 | cache_spec = [ord(c) for c in cache_res] | |
516 | expr_code = u' + '.join(gen_sig_code(cache_spec)) | |
517 | code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code) | |
518 | self.to_screen(u'Extracted signature:\n' + code) | |
519 | ||
e0df6211 PH |
520 | def _parse_sig_js(self, jscode): |
521 | funcname = self._search_regex( | |
522 | r'signature=([a-zA-Z]+)', jscode, | |
523 | u'Initial JS player signature function name') | |
524 | ||
525 | functions = {} | |
526 | ||
527 | def argidx(varname): | |
528 | return string.lowercase.index(varname) | |
529 | ||
530 | def interpret_statement(stmt, local_vars, allow_recursion=20): | |
531 | if allow_recursion < 0: | |
0ca96d48 | 532 | raise ExtractorError(u'Recursion limit reached') |
e0df6211 PH |
533 | |
534 | if stmt.startswith(u'var '): | |
535 | stmt = stmt[len(u'var '):] | |
536 | ass_m = re.match(r'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' + | |
537 | r'=(?P<expr>.*)$', stmt) | |
538 | if ass_m: | |
539 | if ass_m.groupdict().get('index'): | |
540 | def assign(val): | |
541 | lvar = local_vars[ass_m.group('out')] | |
542 | idx = interpret_expression(ass_m.group('index'), | |
543 | local_vars, allow_recursion) | |
544 | assert isinstance(idx, int) | |
545 | lvar[idx] = val | |
546 | return val | |
547 | expr = ass_m.group('expr') | |
548 | else: | |
549 | def assign(val): | |
550 | local_vars[ass_m.group('out')] = val | |
551 | return val | |
552 | expr = ass_m.group('expr') | |
553 | elif stmt.startswith(u'return '): | |
554 | assign = lambda v: v | |
555 | expr = stmt[len(u'return '):] | |
556 | else: | |
557 | raise ExtractorError( | |
558 | u'Cannot determine left side of statement in %r' % stmt) | |
559 | ||
560 | v = interpret_expression(expr, local_vars, allow_recursion) | |
561 | return assign(v) | |
562 | ||
563 | def interpret_expression(expr, local_vars, allow_recursion): | |
564 | if expr.isdigit(): | |
565 | return int(expr) | |
566 | ||
567 | if expr.isalpha(): | |
568 | return local_vars[expr] | |
569 | ||
570 | m = re.match(r'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr) | |
571 | if m: | |
572 | member = m.group('member') | |
573 | val = local_vars[m.group('in')] | |
574 | if member == 'split("")': | |
575 | return list(val) | |
576 | if member == 'join("")': | |
577 | return u''.join(val) | |
578 | if member == 'length': | |
579 | return len(val) | |
580 | if member == 'reverse()': | |
581 | return val[::-1] | |
582 | slice_m = re.match(r'slice\((?P<idx>.*)\)', member) | |
583 | if slice_m: | |
584 | idx = interpret_expression( | |
585 | slice_m.group('idx'), local_vars, allow_recursion-1) | |
586 | return val[idx:] | |
587 | ||
588 | m = re.match( | |
589 | r'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr) | |
590 | if m: | |
591 | val = local_vars[m.group('in')] | |
592 | idx = interpret_expression(m.group('idx'), local_vars, | |
593 | allow_recursion-1) | |
594 | return val[idx] | |
595 | ||
596 | m = re.match(r'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr) | |
597 | if m: | |
598 | a = interpret_expression(m.group('a'), | |
599 | local_vars, allow_recursion) | |
600 | b = interpret_expression(m.group('b'), | |
601 | local_vars, allow_recursion) | |
602 | return a % b | |
603 | ||
604 | m = re.match( | |
605 | r'^(?P<func>[a-zA-Z]+)\((?P<args>[a-z0-9,]+)\)$', expr) | |
606 | if m: | |
607 | fname = m.group('func') | |
608 | if fname not in functions: | |
609 | functions[fname] = extract_function(fname) | |
610 | argvals = [int(v) if v.isdigit() else local_vars[v] | |
611 | for v in m.group('args').split(',')] | |
612 | return functions[fname](argvals) | |
613 | raise ExtractorError(u'Unsupported JS expression %r' % expr) | |
614 | ||
615 | def extract_function(funcname): | |
616 | func_m = re.search( | |
617 | r'function ' + re.escape(funcname) + | |
618 | r'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}', | |
619 | jscode) | |
620 | argnames = func_m.group('args').split(',') | |
621 | ||
622 | def resf(args): | |
623 | local_vars = dict(zip(argnames, args)) | |
624 | for stmt in func_m.group('code').split(';'): | |
625 | res = interpret_statement(stmt, local_vars) | |
626 | return res | |
627 | return resf | |
628 | ||
629 | initial_function = extract_function(funcname) | |
630 | return lambda s: initial_function([s]) | |
631 | ||
632 | def _parse_sig_swf(self, file_contents): | |
633 | if file_contents[1:3] != b'WS': | |
634 | raise ExtractorError( | |
635 | u'Not an SWF file; header is %r' % file_contents[:3]) | |
636 | if file_contents[:1] == b'C': | |
637 | content = zlib.decompress(file_contents[8:]) | |
638 | else: | |
639 | raise NotImplementedError(u'Unsupported compression format %r' % | |
640 | file_contents[:1]) | |
641 | ||
642 | def extract_tags(content): | |
643 | pos = 0 | |
644 | while pos < len(content): | |
645 | header16 = struct.unpack('<H', content[pos:pos+2])[0] | |
646 | pos += 2 | |
647 | tag_code = header16 >> 6 | |
648 | tag_len = header16 & 0x3f | |
649 | if tag_len == 0x3f: | |
650 | tag_len = struct.unpack('<I', content[pos:pos+4])[0] | |
651 | pos += 4 | |
652 | assert pos+tag_len <= len(content) | |
653 | yield (tag_code, content[pos:pos+tag_len]) | |
654 | pos += tag_len | |
655 | ||
656 | code_tag = next(tag | |
657 | for tag_code, tag in extract_tags(content) | |
658 | if tag_code == 82) | |
659 | p = code_tag.index(b'\0', 4) + 1 | |
ba552f54 | 660 | code_reader = io.BytesIO(code_tag[p:]) |
e0df6211 PH |
661 | |
662 | # Parse ABC (AVM2 ByteCode) | |
ba552f54 PH |
663 | def read_int(reader=None): |
664 | if reader is None: | |
665 | reader = code_reader | |
e0df6211 PH |
666 | res = 0 |
667 | shift = 0 | |
668 | for _ in range(5): | |
ba552f54 PH |
669 | buf = reader.read(1) |
670 | assert len(buf) == 1 | |
671 | b = struct.unpack('<B', buf)[0] | |
e0df6211 PH |
672 | res = res | ((b & 0x7f) << shift) |
673 | if b & 0x80 == 0: | |
674 | break | |
675 | shift += 7 | |
ba552f54 PH |
676 | return res |
677 | ||
678 | def u30(reader=None): | |
679 | res = read_int(reader) | |
680 | assert res & 0xf0000000 == 0 | |
e0df6211 PH |
681 | return res |
682 | u32 = read_int | |
683 | ||
ba552f54 PH |
684 | def s32(reader=None): |
685 | v = read_int(reader) | |
e0df6211 PH |
686 | if v & 0x80000000 != 0: |
687 | v = - ((v ^ 0xffffffff) + 1) | |
ba552f54 PH |
688 | return v |
689 | ||
0ca96d48 | 690 | def read_string(reader=None): |
ba552f54 PH |
691 | if reader is None: |
692 | reader = code_reader | |
693 | slen = u30(reader) | |
694 | resb = reader.read(slen) | |
695 | assert len(resb) == slen | |
696 | return resb.decode('utf-8') | |
697 | ||
698 | def read_bytes(count, reader=None): | |
699 | if reader is None: | |
700 | reader = code_reader | |
701 | resb = reader.read(count) | |
702 | assert len(resb) == count | |
703 | return resb | |
704 | ||
705 | def read_byte(reader=None): | |
706 | resb = read_bytes(1, reader=reader) | |
707 | res = struct.unpack('<B', resb)[0] | |
708 | return res | |
e0df6211 PH |
709 | |
710 | # minor_version + major_version | |
0ca96d48 | 711 | read_bytes(2 + 2) |
e0df6211 PH |
712 | |
713 | # Constant pool | |
ba552f54 | 714 | int_count = u30() |
e0df6211 | 715 | for _c in range(1, int_count): |
0ca96d48 | 716 | s32() |
ba552f54 | 717 | uint_count = u30() |
e0df6211 | 718 | for _c in range(1, uint_count): |
0ca96d48 | 719 | u32() |
ba552f54 | 720 | double_count = u30() |
0ca96d48 | 721 | read_bytes((double_count-1) * 8) |
ba552f54 | 722 | string_count = u30() |
e0df6211 PH |
723 | constant_strings = [u''] |
724 | for _c in range(1, string_count): | |
0ca96d48 | 725 | s = read_string() |
e0df6211 | 726 | constant_strings.append(s) |
ba552f54 | 727 | namespace_count = u30() |
e0df6211 | 728 | for _c in range(1, namespace_count): |
0ca96d48 PH |
729 | read_bytes(1) # kind |
730 | u30() # name | |
ba552f54 | 731 | ns_set_count = u30() |
e0df6211 | 732 | for _c in range(1, ns_set_count): |
ba552f54 | 733 | count = u30() |
e0df6211 | 734 | for _c2 in range(count): |
0ca96d48 | 735 | u30() |
ba552f54 | 736 | multiname_count = u30() |
e0df6211 PH |
737 | MULTINAME_SIZES = { |
738 | 0x07: 2, # QName | |
739 | 0x0d: 2, # QNameA | |
740 | 0x0f: 1, # RTQName | |
741 | 0x10: 1, # RTQNameA | |
742 | 0x11: 0, # RTQNameL | |
743 | 0x12: 0, # RTQNameLA | |
744 | 0x09: 2, # Multiname | |
745 | 0x0e: 2, # MultinameA | |
746 | 0x1b: 1, # MultinameL | |
747 | 0x1c: 1, # MultinameLA | |
748 | } | |
749 | multinames = [u''] | |
750 | for _c in range(1, multiname_count): | |
ba552f54 | 751 | kind = u30() |
e0df6211 PH |
752 | assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind |
753 | if kind == 0x07: | |
0ca96d48 | 754 | u30() # namespace_idx |
ba552f54 | 755 | name_idx = u30() |
e0df6211 PH |
756 | multinames.append(constant_strings[name_idx]) |
757 | else: | |
758 | multinames.append('[MULTINAME kind: %d]' % kind) | |
759 | for _c2 in range(MULTINAME_SIZES[kind]): | |
0ca96d48 | 760 | u30() |
e0df6211 PH |
761 | |
762 | # Methods | |
ba552f54 | 763 | method_count = u30() |
e0df6211 PH |
764 | MethodInfo = collections.namedtuple( |
765 | 'MethodInfo', | |
766 | ['NEED_ARGUMENTS', 'NEED_REST']) | |
767 | method_infos = [] | |
768 | for method_id in range(method_count): | |
ba552f54 | 769 | param_count = u30() |
0ca96d48 | 770 | u30() # return type |
e0df6211 | 771 | for _ in range(param_count): |
0ca96d48 PH |
772 | u30() # param type |
773 | u30() # name index (always 0 for youtube) | |
ba552f54 | 774 | flags = read_byte() |
e0df6211 PH |
775 | if flags & 0x08 != 0: |
776 | # Options present | |
ba552f54 | 777 | option_count = u30() |
e0df6211 | 778 | for c in range(option_count): |
0ca96d48 PH |
779 | u30() # val |
780 | read_bytes(1) # kind | |
e0df6211 PH |
781 | if flags & 0x80 != 0: |
782 | # Param names present | |
783 | for _ in range(param_count): | |
0ca96d48 | 784 | u30() # param name |
e0df6211 PH |
785 | mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0) |
786 | method_infos.append(mi) | |
787 | ||
788 | # Metadata | |
ba552f54 | 789 | metadata_count = u30() |
e0df6211 | 790 | for _c in range(metadata_count): |
0ca96d48 | 791 | u30() # name |
ba552f54 | 792 | item_count = u30() |
e0df6211 | 793 | for _c2 in range(item_count): |
0ca96d48 PH |
794 | u30() # key |
795 | u30() # value | |
ba552f54 PH |
796 | |
797 | def parse_traits_info(): | |
798 | trait_name_idx = u30() | |
799 | kind_full = read_byte() | |
e0df6211 PH |
800 | kind = kind_full & 0x0f |
801 | attrs = kind_full >> 4 | |
802 | methods = {} | |
803 | if kind in [0x00, 0x06]: # Slot or Const | |
0ca96d48 PH |
804 | u30() # Slot id |
805 | u30() # type_name_idx | |
ba552f54 | 806 | vindex = u30() |
e0df6211 | 807 | if vindex != 0: |
0ca96d48 | 808 | read_byte() # vkind |
e0df6211 | 809 | elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter |
0ca96d48 | 810 | u30() # disp_id |
ba552f54 | 811 | method_idx = u30() |
e0df6211 PH |
812 | methods[multinames[trait_name_idx]] = method_idx |
813 | elif kind == 0x04: # Class | |
0ca96d48 PH |
814 | u30() # slot_id |
815 | u30() # classi | |
e0df6211 | 816 | elif kind == 0x05: # Function |
0ca96d48 | 817 | u30() # slot_id |
ba552f54 | 818 | function_idx = u30() |
e0df6211 PH |
819 | methods[function_idx] = multinames[trait_name_idx] |
820 | else: | |
821 | raise ExtractorError(u'Unsupported trait kind %d' % kind) | |
822 | ||
823 | if attrs & 0x4 != 0: # Metadata present | |
ba552f54 | 824 | metadata_count = u30() |
e0df6211 | 825 | for _c3 in range(metadata_count): |
0ca96d48 | 826 | u30() # metadata index |
e0df6211 | 827 | |
ba552f54 | 828 | return methods |
e0df6211 PH |
829 | |
830 | # Classes | |
831 | TARGET_CLASSNAME = u'SignatureDecipher' | |
832 | searched_idx = multinames.index(TARGET_CLASSNAME) | |
833 | searched_class_id = None | |
ba552f54 | 834 | class_count = u30() |
e0df6211 | 835 | for class_id in range(class_count): |
ba552f54 | 836 | name_idx = u30() |
e0df6211 PH |
837 | if name_idx == searched_idx: |
838 | # We found the class we're looking for! | |
839 | searched_class_id = class_id | |
0ca96d48 | 840 | u30() # super_name idx |
ba552f54 | 841 | flags = read_byte() |
e0df6211 | 842 | if flags & 0x08 != 0: # Protected namespace is present |
0ca96d48 | 843 | u30() # protected_ns_idx |
ba552f54 | 844 | intrf_count = u30() |
e0df6211 | 845 | for _c2 in range(intrf_count): |
0ca96d48 PH |
846 | u30() |
847 | u30() # iinit | |
ba552f54 | 848 | trait_count = u30() |
e0df6211 | 849 | for _c2 in range(trait_count): |
0ca96d48 | 850 | parse_traits_info() |
e0df6211 PH |
851 | |
852 | if searched_class_id is None: | |
853 | raise ExtractorError(u'Target class %r not found' % | |
854 | TARGET_CLASSNAME) | |
855 | ||
856 | method_names = {} | |
857 | method_idxs = {} | |
858 | for class_id in range(class_count): | |
0ca96d48 | 859 | u30() # cinit |
ba552f54 | 860 | trait_count = u30() |
e0df6211 | 861 | for _c2 in range(trait_count): |
ba552f54 | 862 | trait_methods = parse_traits_info() |
e0df6211 PH |
863 | if class_id == searched_class_id: |
864 | method_names.update(trait_methods.items()) | |
865 | method_idxs.update(dict( | |
866 | (idx, name) | |
867 | for name, idx in trait_methods.items())) | |
868 | ||
869 | # Scripts | |
ba552f54 | 870 | script_count = u30() |
e0df6211 | 871 | for _c in range(script_count): |
0ca96d48 | 872 | u30() # init |
ba552f54 | 873 | trait_count = u30() |
e0df6211 | 874 | for _c2 in range(trait_count): |
0ca96d48 | 875 | parse_traits_info() |
e0df6211 PH |
876 | |
877 | # Method bodies | |
ba552f54 | 878 | method_body_count = u30() |
e0df6211 PH |
879 | Method = collections.namedtuple('Method', ['code', 'local_count']) |
880 | methods = {} | |
881 | for _c in range(method_body_count): | |
ba552f54 | 882 | method_idx = u30() |
0ca96d48 | 883 | u30() # max_stack |
ba552f54 | 884 | local_count = u30() |
0ca96d48 PH |
885 | u30() # init_scope_depth |
886 | u30() # max_scope_depth | |
ba552f54 PH |
887 | code_length = u30() |
888 | code = read_bytes(code_length) | |
e0df6211 | 889 | if method_idx in method_idxs: |
ba552f54 | 890 | m = Method(code, local_count) |
e0df6211 | 891 | methods[method_idxs[method_idx]] = m |
ba552f54 | 892 | exception_count = u30() |
e0df6211 | 893 | for _c2 in range(exception_count): |
0ca96d48 PH |
894 | u30() # from |
895 | u30() # to | |
896 | u30() # target | |
897 | u30() # exc_type | |
898 | u30() # var_name | |
ba552f54 | 899 | trait_count = u30() |
e0df6211 | 900 | for _c2 in range(trait_count): |
0ca96d48 | 901 | parse_traits_info() |
e0df6211 | 902 | |
ba552f54 | 903 | assert p + code_reader.tell() == len(code_tag) |
e0df6211 PH |
904 | assert len(methods) == len(method_idxs) |
905 | ||
906 | method_pyfunctions = {} | |
907 | ||
908 | def extract_function(func_name): | |
909 | if func_name in method_pyfunctions: | |
910 | return method_pyfunctions[func_name] | |
911 | if func_name not in methods: | |
912 | raise ExtractorError(u'Cannot find function %r' % func_name) | |
913 | m = methods[func_name] | |
914 | ||
915 | def resfunc(args): | |
e0df6211 PH |
916 | registers = ['(this)'] + list(args) + [None] * m.local_count |
917 | stack = [] | |
918 | coder = io.BytesIO(m.code) | |
919 | while True: | |
920 | opcode = struct.unpack('!B', coder.read(1))[0] | |
a7177865 | 921 | if opcode == 36: # pushbyte |
e0df6211 PH |
922 | v = struct.unpack('!B', coder.read(1))[0] |
923 | stack.append(v) | |
924 | elif opcode == 44: # pushstring | |
925 | idx = u30(coder) | |
926 | stack.append(constant_strings[idx]) | |
927 | elif opcode == 48: # pushscope | |
928 | # We don't implement the scope register, so we'll just | |
929 | # ignore the popped value | |
930 | stack.pop() | |
931 | elif opcode == 70: # callproperty | |
932 | index = u30(coder) | |
933 | mname = multinames[index] | |
934 | arg_count = u30(coder) | |
935 | args = list(reversed( | |
936 | [stack.pop() for _ in range(arg_count)])) | |
937 | obj = stack.pop() | |
938 | if mname == u'split': | |
939 | assert len(args) == 1 | |
940 | assert isinstance(args[0], compat_str) | |
941 | assert isinstance(obj, compat_str) | |
942 | if args[0] == u'': | |
943 | res = list(obj) | |
944 | else: | |
945 | res = obj.split(args[0]) | |
946 | stack.append(res) | |
a7177865 PH |
947 | elif mname == u'slice': |
948 | assert len(args) == 1 | |
949 | assert isinstance(args[0], int) | |
950 | assert isinstance(obj, list) | |
951 | res = obj[args[0]:] | |
952 | stack.append(res) | |
953 | elif mname == u'join': | |
954 | assert len(args) == 1 | |
955 | assert isinstance(args[0], compat_str) | |
956 | assert isinstance(obj, list) | |
957 | res = args[0].join(obj) | |
958 | stack.append(res) | |
e0df6211 PH |
959 | elif mname in method_pyfunctions: |
960 | stack.append(method_pyfunctions[mname](args)) | |
961 | else: | |
962 | raise NotImplementedError( | |
963 | u'Unsupported property %r on %r' | |
964 | % (mname, obj)) | |
a7177865 PH |
965 | elif opcode == 72: # returnvalue |
966 | res = stack.pop() | |
967 | return res | |
968 | elif opcode == 79: # callpropvoid | |
969 | index = u30(coder) | |
970 | mname = multinames[index] | |
971 | arg_count = u30(coder) | |
972 | args = list(reversed( | |
973 | [stack.pop() for _ in range(arg_count)])) | |
974 | obj = stack.pop() | |
975 | if mname == u'reverse': | |
976 | assert isinstance(obj, list) | |
977 | obj.reverse() | |
978 | else: | |
979 | raise NotImplementedError( | |
980 | u'Unsupported (void) property %r on %r' | |
981 | % (mname, obj)) | |
e0df6211 PH |
982 | elif opcode == 93: # findpropstrict |
983 | index = u30(coder) | |
984 | mname = multinames[index] | |
985 | res = extract_function(mname) | |
986 | stack.append(res) | |
987 | elif opcode == 97: # setproperty | |
988 | index = u30(coder) | |
989 | value = stack.pop() | |
990 | idx = stack.pop() | |
991 | obj = stack.pop() | |
992 | assert isinstance(obj, list) | |
993 | assert isinstance(idx, int) | |
994 | obj[idx] = value | |
995 | elif opcode == 98: # getlocal | |
996 | index = u30(coder) | |
997 | stack.append(registers[index]) | |
998 | elif opcode == 99: # setlocal | |
999 | index = u30(coder) | |
1000 | value = stack.pop() | |
1001 | registers[index] = value | |
1002 | elif opcode == 102: # getproperty | |
1003 | index = u30(coder) | |
1004 | pname = multinames[index] | |
1005 | if pname == u'length': | |
1006 | obj = stack.pop() | |
1007 | assert isinstance(obj, list) | |
1008 | stack.append(len(obj)) | |
1009 | else: # Assume attribute access | |
1010 | idx = stack.pop() | |
1011 | assert isinstance(idx, int) | |
1012 | obj = stack.pop() | |
1013 | assert isinstance(obj, list) | |
1014 | stack.append(obj[idx]) | |
1015 | elif opcode == 128: # coerce | |
0ca96d48 | 1016 | u30(coder) |
e0df6211 PH |
1017 | elif opcode == 133: # coerce_s |
1018 | assert isinstance(stack[-1], (type(None), compat_str)) | |
1019 | elif opcode == 164: # modulo | |
1020 | value2 = stack.pop() | |
1021 | value1 = stack.pop() | |
1022 | res = value1 % value2 | |
1023 | stack.append(res) | |
a7177865 PH |
1024 | elif opcode == 208: # getlocal_0 |
1025 | stack.append(registers[0]) | |
1026 | elif opcode == 209: # getlocal_1 | |
1027 | stack.append(registers[1]) | |
1028 | elif opcode == 210: # getlocal_2 | |
1029 | stack.append(registers[2]) | |
1030 | elif opcode == 211: # getlocal_3 | |
1031 | stack.append(registers[3]) | |
e0df6211 PH |
1032 | elif opcode == 214: # setlocal_2 |
1033 | registers[2] = stack.pop() | |
1034 | elif opcode == 215: # setlocal_3 | |
1035 | registers[3] = stack.pop() | |
1036 | else: | |
1037 | raise NotImplementedError( | |
1038 | u'Unsupported opcode %d' % opcode) | |
1039 | ||
1040 | method_pyfunctions[func_name] = resfunc | |
1041 | return resfunc | |
1042 | ||
1043 | initial_function = extract_function(u'decipher') | |
1044 | return lambda s: initial_function([s]) | |
1045 | ||
83799698 | 1046 | def _decrypt_signature(self, s, video_id, player_url, age_gate=False): |
257a2501 | 1047 | """Turn the encrypted s field into a working signature""" |
6b37f0be | 1048 | |
83799698 | 1049 | if player_url is not None: |
e0df6211 | 1050 | try: |
83799698 PH |
1051 | if player_url not in self._player_cache: |
1052 | func = self._extract_signature_function( | |
c4417ddb | 1053 | video_id, player_url, len(s) |
e0df6211 | 1054 | ) |
83799698 | 1055 | self._player_cache[player_url] = func |
edf3e38e PH |
1056 | func = self._player_cache[player_url] |
1057 | if self._downloader.params.get('youtube_print_sig_code'): | |
1058 | self._print_sig_code(func, len(s)) | |
1059 | return func(s) | |
0ca96d48 | 1060 | except Exception: |
e0df6211 | 1061 | tb = traceback.format_exc() |
83799698 PH |
1062 | self._downloader.report_warning( |
1063 | u'Automatic signature extraction failed: ' + tb) | |
e0df6211 | 1064 | |
83799698 PH |
1065 | self._downloader.report_warning( |
1066 | u'Warning: Falling back to static signature algorithm') | |
2f2ffea9 PH |
1067 | return self._static_decrypt_signature( |
1068 | s, video_id, player_url, age_gate) | |
e0df6211 | 1069 | |
2f2ffea9 | 1070 | def _static_decrypt_signature(self, s, video_id, player_url, age_gate): |
e0df6211 PH |
1071 | if age_gate: |
1072 | # The videos with age protection use another player, so the | |
1073 | # algorithms can be different. | |
1074 | if len(s) == 86: | |
1075 | return s[2:63] + s[82] + s[64:82] + s[63] | |
1076 | ||
4ba146f3 PH |
1077 | if len(s) == 93: |
1078 | return s[86:29:-1] + s[88] + s[28:5:-1] | |
1079 | elif len(s) == 92: | |
444b1165 | 1080 | return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83] |
4ba146f3 PH |
1081 | elif len(s) == 91: |
1082 | return s[84:27:-1] + s[86] + s[26:5:-1] | |
444b1165 JMF |
1083 | elif len(s) == 90: |
1084 | return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81] | |
8a9d86a2 | 1085 | elif len(s) == 89: |
1086 | return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1] | |
444b1165 | 1087 | elif len(s) == 88: |
3e223834 | 1088 | return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28] |
be547e1d | 1089 | elif len(s) == 87: |
3a725669 | 1090 | return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:] |
be547e1d | 1091 | elif len(s) == 86: |
1cf911bc | 1092 | return s[5:34] + s[0] + s[35:38] + s[3] + s[39:45] + s[38] + s[46:53] + s[73] + s[54:73] + s[85] + s[74:85] + s[53] |
be547e1d | 1093 | elif len(s) == 85: |
6ae8ee3f | 1094 | return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84] |
be547e1d | 1095 | elif len(s) == 84: |
23b00bc0 | 1096 | return s[81:36:-1] + s[0] + s[35:2:-1] |
be547e1d | 1097 | elif len(s) == 83: |
e1842025 | 1098 | return s[81:64:-1] + s[82] + s[63:52:-1] + s[45] + s[51:45:-1] + s[1] + s[44:1:-1] + s[0] |
be547e1d | 1099 | elif len(s) == 82: |
ce85f022 | 1100 | return s[80:73:-1] + s[81] + s[72:54:-1] + s[2] + s[53:43:-1] + s[0] + s[42:2:-1] + s[43] + s[1] + s[54] |
be547e1d | 1101 | elif len(s) == 81: |
aedd6bb9 | 1102 | 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 |
1103 | elif len(s) == 80: |
1104 | return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80] | |
5c468ca8 JMF |
1105 | elif len(s) == 79: |
1106 | 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 |
1107 | |
1108 | else: | |
1109 | raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s))) | |
c5e8d7af | 1110 | |
75952c6e JMF |
1111 | def _decrypt_signature_age_gate(self, s): |
1112 | # The videos with age protection use another player, so the algorithms | |
1113 | # can be different. | |
1114 | if len(s) == 86: | |
1115 | return s[2:63] + s[82] + s[64:82] + s[63] | |
1116 | else: | |
1117 | # Fallback to the other algortihms | |
b072a9de | 1118 | return self._decrypt_signature(s) |
c5e8d7af | 1119 | |
de7f3446 | 1120 | def _get_available_subtitles(self, video_id): |
de7f3446 | 1121 | try: |
7fad1c63 JMF |
1122 | sub_list = self._download_webpage( |
1123 | 'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id, | |
1124 | video_id, note=False) | |
1125 | except ExtractorError as err: | |
de7f3446 JMF |
1126 | self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err)) |
1127 | return {} | |
1128 | lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list) | |
1129 | ||
1130 | sub_lang_list = {} | |
1131 | for l in lang_list: | |
1132 | lang = l[1] | |
1133 | params = compat_urllib_parse.urlencode({ | |
1134 | 'lang': lang, | |
1135 | 'v': video_id, | |
1136 | 'fmt': self._downloader.params.get('subtitlesformat'), | |
1137 | }) | |
1138 | url = u'http://www.youtube.com/api/timedtext?' + params | |
1139 | sub_lang_list[lang] = url | |
1140 | if not sub_lang_list: | |
1141 | self._downloader.report_warning(u'video doesn\'t have subtitles') | |
1142 | return {} | |
1143 | return sub_lang_list | |
1144 | ||
055e6f36 | 1145 | def _get_available_automatic_caption(self, video_id, webpage): |
de7f3446 JMF |
1146 | """We need the webpage for getting the captions url, pass it as an |
1147 | argument to speed up the process.""" | |
de7f3446 JMF |
1148 | sub_format = self._downloader.params.get('subtitlesformat') |
1149 | self.to_screen(u'%s: Looking for automatic captions' % video_id) | |
1150 | mobj = re.search(r';ytplayer.config = ({.*?});', webpage) | |
055e6f36 | 1151 | err_msg = u'Couldn\'t find automatic captions for %s' % video_id |
de7f3446 JMF |
1152 | if mobj is None: |
1153 | self._downloader.report_warning(err_msg) | |
1154 | return {} | |
1155 | player_config = json.loads(mobj.group(1)) | |
1156 | try: | |
1157 | args = player_config[u'args'] | |
1158 | caption_url = args[u'ttsurl'] | |
1159 | timestamp = args[u'timestamp'] | |
055e6f36 JMF |
1160 | # We get the available subtitles |
1161 | list_params = compat_urllib_parse.urlencode({ | |
1162 | 'type': 'list', | |
1163 | 'tlangs': 1, | |
1164 | 'asrs': 1, | |
de7f3446 | 1165 | }) |
055e6f36 JMF |
1166 | list_url = caption_url + '&' + list_params |
1167 | list_page = self._download_webpage(list_url, video_id) | |
1168 | caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8')) | |
e3dc22ca JMF |
1169 | original_lang_node = caption_list.find('track') |
1170 | if original_lang_node.attrib.get('kind') != 'asr' : | |
1171 | self._downloader.report_warning(u'Video doesn\'t have automatic captions') | |
1172 | return {} | |
1173 | original_lang = original_lang_node.attrib['lang_code'] | |
055e6f36 JMF |
1174 | |
1175 | sub_lang_list = {} | |
1176 | for lang_node in caption_list.findall('target'): | |
1177 | sub_lang = lang_node.attrib['lang_code'] | |
1178 | params = compat_urllib_parse.urlencode({ | |
1179 | 'lang': original_lang, | |
1180 | 'tlang': sub_lang, | |
1181 | 'fmt': sub_format, | |
1182 | 'ts': timestamp, | |
1183 | 'kind': 'asr', | |
1184 | }) | |
1185 | sub_lang_list[sub_lang] = caption_url + '&' + params | |
1186 | return sub_lang_list | |
de7f3446 JMF |
1187 | # An extractor error can be raise by the download process if there are |
1188 | # no automatic captions but there are subtitles | |
1189 | except (KeyError, ExtractorError): | |
1190 | self._downloader.report_warning(err_msg) | |
1191 | return {} | |
1192 | ||
c5e8d7af PH |
1193 | def _print_formats(self, formats): |
1194 | print('Available formats:') | |
1195 | for x in formats: | |
03cc7c20 JMF |
1196 | print('%s\t:\t%s\t[%s]%s' %(x, self._video_extensions.get(x, 'flv'), |
1197 | self._video_dimensions.get(x, '???'), | |
836a086c | 1198 | ' ('+self._special_itags[x]+')' if x in self._special_itags else '')) |
c5e8d7af PH |
1199 | |
1200 | def _extract_id(self, url): | |
1201 | mobj = re.match(self._VALID_URL, url, re.VERBOSE) | |
1202 | if mobj is None: | |
1203 | raise ExtractorError(u'Invalid URL: %s' % url) | |
1204 | video_id = mobj.group(2) | |
1205 | return video_id | |
1206 | ||
1d043b93 JMF |
1207 | def _get_video_url_list(self, url_map): |
1208 | """ | |
1209 | Transform a dictionary in the format {itag:url} to a list of (itag, url) | |
1210 | with the requested formats. | |
1211 | """ | |
1212 | req_format = self._downloader.params.get('format', None) | |
1213 | format_limit = self._downloader.params.get('format_limit', None) | |
1214 | available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats | |
1215 | if format_limit is not None and format_limit in available_formats: | |
1216 | format_list = available_formats[available_formats.index(format_limit):] | |
1217 | else: | |
1218 | format_list = available_formats | |
1219 | existing_formats = [x for x in format_list if x in url_map] | |
1220 | if len(existing_formats) == 0: | |
1221 | raise ExtractorError(u'no known formats available for video') | |
1222 | if self._downloader.params.get('listformats', None): | |
1223 | self._print_formats(existing_formats) | |
1224 | return | |
1225 | if req_format is None or req_format == 'best': | |
1226 | video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality | |
1227 | elif req_format == 'worst': | |
1228 | video_url_list = [(existing_formats[-1], url_map[existing_formats[-1]])] # worst quality | |
1229 | elif req_format in ('-1', 'all'): | |
1230 | video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats | |
1231 | else: | |
1232 | # Specific formats. We pick the first in a slash-delimeted sequence. | |
bdc6b3fc AZ |
1233 | # Format can be specified as itag or 'mp4' or 'flv' etc. We pick the highest quality |
1234 | # available in the specified format. For example, | |
1235 | # if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'. | |
1236 | # if '1/mp4/3/4' is requested and '1' and '5' (is a mp4) are available, we pick '1'. | |
1237 | # if '1/mp4/3/4' is requested and '4' and '5' (is a mp4) are available, we pick '5'. | |
1d043b93 JMF |
1238 | req_formats = req_format.split('/') |
1239 | video_url_list = None | |
1240 | for rf in req_formats: | |
1241 | if rf in url_map: | |
1242 | video_url_list = [(rf, url_map[rf])] | |
1243 | break | |
bdc6b3fc AZ |
1244 | if rf in self._video_formats_map: |
1245 | for srf in self._video_formats_map[rf]: | |
1246 | if srf in url_map: | |
1247 | video_url_list = [(srf, url_map[srf])] | |
1248 | break | |
1249 | else: | |
1250 | continue | |
1251 | break | |
1d043b93 JMF |
1252 | if video_url_list is None: |
1253 | raise ExtractorError(u'requested format not available') | |
1254 | return video_url_list | |
1255 | ||
1256 | def _extract_from_m3u8(self, manifest_url, video_id): | |
1257 | url_map = {} | |
1258 | def _get_urls(_manifest): | |
1259 | lines = _manifest.split('\n') | |
1260 | urls = filter(lambda l: l and not l.startswith('#'), | |
1261 | lines) | |
1262 | return urls | |
1263 | manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest') | |
1264 | formats_urls = _get_urls(manifest) | |
1265 | for format_url in formats_urls: | |
890f62e8 | 1266 | itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag') |
1d043b93 JMF |
1267 | url_map[itag] = format_url |
1268 | return url_map | |
1269 | ||
c5e8d7af | 1270 | def _real_extract(self, url): |
d7f44b5b PH |
1271 | if re.match(r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$', url): |
1272 | self._downloader.report_warning(u'Did you forget to quote the URL? Remember that & is a meta-character in most shells, so you want to put the URL in quotes, like youtube-dl \'http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc\' (or simply youtube-dl BaW_jenozKc ).') | |
1273 | ||
c5e8d7af PH |
1274 | # Extract original video URL from URL with redirection, like age verification, using next_url parameter |
1275 | mobj = re.search(self._NEXT_URL_RE, url) | |
1276 | if mobj: | |
1277 | url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/') | |
1278 | video_id = self._extract_id(url) | |
1279 | ||
1280 | # Get video webpage | |
1281 | self.report_video_webpage_download(video_id) | |
1282 | url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id | |
1283 | request = compat_urllib_request.Request(url) | |
1284 | try: | |
1285 | video_webpage_bytes = compat_urllib_request.urlopen(request).read() | |
1286 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
1287 | raise ExtractorError(u'Unable to download video webpage: %s' % compat_str(err)) | |
1288 | ||
1289 | video_webpage = video_webpage_bytes.decode('utf-8', 'ignore') | |
1290 | ||
1291 | # Attempt to extract SWF player URL | |
e0df6211 | 1292 | mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage) |
c5e8d7af PH |
1293 | if mobj is not None: |
1294 | player_url = re.sub(r'\\(.)', r'\1', mobj.group(1)) | |
1295 | else: | |
1296 | player_url = None | |
1297 | ||
1298 | # Get video info | |
1299 | self.report_video_info_webpage_download(video_id) | |
c108eb73 JMF |
1300 | if re.search(r'player-age-gate-content">', video_webpage) is not None: |
1301 | self.report_age_confirmation() | |
1302 | age_gate = True | |
1303 | # We simulate the access to the video from www.youtube.com/v/{video_id} | |
1304 | # this can be viewed without login into Youtube | |
1305 | data = compat_urllib_parse.urlencode({'video_id': video_id, | |
1306 | 'el': 'embedded', | |
1307 | 'gl': 'US', | |
1308 | 'hl': 'en', | |
1309 | 'eurl': 'https://youtube.googleapis.com/v/' + video_id, | |
1310 | 'asv': 3, | |
1311 | 'sts':'1588', | |
1312 | }) | |
1313 | video_info_url = 'https://www.youtube.com/get_video_info?' + data | |
c5e8d7af PH |
1314 | video_info_webpage = self._download_webpage(video_info_url, video_id, |
1315 | note=False, | |
1316 | errnote='unable to download video info webpage') | |
1317 | video_info = compat_parse_qs(video_info_webpage) | |
c108eb73 JMF |
1318 | else: |
1319 | age_gate = False | |
1320 | for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']: | |
1321 | video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en' | |
1322 | % (video_id, el_type)) | |
1323 | video_info_webpage = self._download_webpage(video_info_url, video_id, | |
1324 | note=False, | |
1325 | errnote='unable to download video info webpage') | |
1326 | video_info = compat_parse_qs(video_info_webpage) | |
1327 | if 'token' in video_info: | |
1328 | break | |
c5e8d7af PH |
1329 | if 'token' not in video_info: |
1330 | if 'reason' in video_info: | |
9a82b238 | 1331 | raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0], expected=True) |
c5e8d7af PH |
1332 | else: |
1333 | raise ExtractorError(u'"token" parameter not in video info for unknown reason') | |
1334 | ||
1335 | # Check for "rental" videos | |
1336 | if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info: | |
1337 | raise ExtractorError(u'"rental" videos not supported') | |
1338 | ||
1339 | # Start extracting information | |
1340 | self.report_information_extraction(video_id) | |
1341 | ||
1342 | # uploader | |
1343 | if 'author' not in video_info: | |
1344 | raise ExtractorError(u'Unable to extract uploader name') | |
1345 | video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0]) | |
1346 | ||
1347 | # uploader_id | |
1348 | video_uploader_id = None | |
1349 | mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage) | |
1350 | if mobj is not None: | |
1351 | video_uploader_id = mobj.group(1) | |
1352 | else: | |
1353 | self._downloader.report_warning(u'unable to extract uploader nickname') | |
1354 | ||
1355 | # title | |
1356 | if 'title' not in video_info: | |
1357 | raise ExtractorError(u'Unable to extract video title') | |
1358 | video_title = compat_urllib_parse.unquote_plus(video_info['title'][0]) | |
1359 | ||
1360 | # thumbnail image | |
7763b04e JMF |
1361 | # We try first to get a high quality image: |
1362 | m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">', | |
1363 | video_webpage, re.DOTALL) | |
1364 | if m_thumb is not None: | |
1365 | video_thumbnail = m_thumb.group(1) | |
1366 | elif 'thumbnail_url' not in video_info: | |
c5e8d7af PH |
1367 | self._downloader.report_warning(u'unable to extract video thumbnail') |
1368 | video_thumbnail = '' | |
1369 | else: # don't panic if we can't find it | |
1370 | video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0]) | |
1371 | ||
1372 | # upload date | |
1373 | upload_date = None | |
1374 | mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL) | |
1375 | if mobj is not None: | |
1376 | upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split()) | |
1377 | upload_date = unified_strdate(upload_date) | |
1378 | ||
1379 | # description | |
1380 | video_description = get_element_by_id("eow-description", video_webpage) | |
1381 | if video_description: | |
1382 | video_description = clean_html(video_description) | |
1383 | else: | |
1384 | fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage) | |
1385 | if fd_mobj: | |
1386 | video_description = unescapeHTML(fd_mobj.group(1)) | |
1387 | else: | |
1388 | video_description = u'' | |
1389 | ||
1390 | # subtitles | |
d82134c3 | 1391 | video_subtitles = self.extract_subtitles(video_id, video_webpage) |
c5e8d7af | 1392 | |
c5e8d7af | 1393 | if self._downloader.params.get('listsubtitles', False): |
d665f8d3 | 1394 | self._list_available_subtitles(video_id, video_webpage) |
c5e8d7af PH |
1395 | return |
1396 | ||
1397 | if 'length_seconds' not in video_info: | |
1398 | self._downloader.report_warning(u'unable to extract video duration') | |
1399 | video_duration = '' | |
1400 | else: | |
1401 | video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0]) | |
1402 | ||
c5e8d7af | 1403 | # Decide which formats to download |
c5e8d7af PH |
1404 | |
1405 | try: | |
1406 | mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage) | |
50be92c1 PH |
1407 | if not mobj: |
1408 | raise ValueError('Could not find vevo ID') | |
c5e8d7af PH |
1409 | info = json.loads(mobj.group(1)) |
1410 | args = info['args'] | |
7ce7e394 JMF |
1411 | # Easy way to know if the 's' value is in url_encoded_fmt_stream_map |
1412 | # this signatures are encrypted | |
1413 | m_s = re.search(r'[&,]s=', args['url_encoded_fmt_stream_map']) | |
1414 | if m_s is not None: | |
1415 | self.to_screen(u'%s: Encrypted signatures detected.' % video_id) | |
c5e8d7af | 1416 | video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']] |
cde846b3 | 1417 | m_s = re.search(r'[&,]s=', args.get('adaptive_fmts', u'')) |
b7a68384 | 1418 | if m_s is not None: |
37b6d5f6 AZ |
1419 | if 'url_encoded_fmt_stream_map' in video_info: |
1420 | video_info['url_encoded_fmt_stream_map'][0] += ',' + args['adaptive_fmts'] | |
1421 | else: | |
1422 | video_info['url_encoded_fmt_stream_map'] = [args['adaptive_fmts']] | |
211fbc13 | 1423 | elif 'adaptive_fmts' in video_info: |
37b6d5f6 AZ |
1424 | if 'url_encoded_fmt_stream_map' in video_info: |
1425 | video_info['url_encoded_fmt_stream_map'][0] += ',' + video_info['adaptive_fmts'][0] | |
1426 | else: | |
1427 | video_info['url_encoded_fmt_stream_map'] = video_info['adaptive_fmts'] | |
c5e8d7af PH |
1428 | except ValueError: |
1429 | pass | |
1430 | ||
1431 | if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'): | |
1432 | self.report_rtmp_download() | |
1433 | video_url_list = [(None, video_info['conn'][0])] | |
1434 | elif 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1: | |
a7055eb9 JMF |
1435 | if 'rtmpe%3Dyes' in video_info['url_encoded_fmt_stream_map'][0]: |
1436 | raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True) | |
c5e8d7af PH |
1437 | url_map = {} |
1438 | for url_data_str in video_info['url_encoded_fmt_stream_map'][0].split(','): | |
1439 | url_data = compat_parse_qs(url_data_str) | |
1440 | if 'itag' in url_data and 'url' in url_data: | |
1441 | url = url_data['url'][0] | |
1442 | if 'sig' in url_data: | |
1443 | url += '&signature=' + url_data['sig'][0] | |
1444 | elif 's' in url_data: | |
e0df6211 | 1445 | encrypted_sig = url_data['s'][0] |
769fda3c | 1446 | if self._downloader.params.get('verbose'): |
c108eb73 | 1447 | if age_gate: |
83799698 PH |
1448 | player_version = self._search_regex( |
1449 | r'-(.+)\.swf$', | |
1450 | player_url if player_url else None, | |
e0df6211 PH |
1451 | 'flash player', fatal=False) |
1452 | player_desc = 'flash player %s' % player_version | |
c108eb73 | 1453 | else: |
83799698 PH |
1454 | player_version = self._search_regex( |
1455 | r'html5player-(.+?)\.js', video_webpage, | |
c108eb73 | 1456 | 'html5 player', fatal=False) |
e0df6211 PH |
1457 | player_desc = u'html5 player %s' % player_version |
1458 | ||
1459 | parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.')) | |
5a76c651 | 1460 | self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' % |
e0df6211 PH |
1461 | (len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc)) |
1462 | ||
83799698 | 1463 | if not age_gate: |
e0df6211 PH |
1464 | jsplayer_url_json = self._search_regex( |
1465 | r'"assets":.+?"js":\s*("[^"]+")', | |
1466 | video_webpage, u'JS player URL') | |
83799698 | 1467 | player_url = json.loads(jsplayer_url_json) |
e0df6211 | 1468 | |
83799698 PH |
1469 | signature = self._decrypt_signature( |
1470 | encrypted_sig, video_id, player_url, age_gate) | |
c5e8d7af PH |
1471 | url += '&signature=' + signature |
1472 | if 'ratebypass' not in url: | |
1473 | url += '&ratebypass=yes' | |
1474 | url_map[url_data['itag'][0]] = url | |
1d043b93 JMF |
1475 | video_url_list = self._get_video_url_list(url_map) |
1476 | if not video_url_list: | |
c5e8d7af | 1477 | return |
1d043b93 JMF |
1478 | elif video_info.get('hlsvp'): |
1479 | manifest_url = video_info['hlsvp'][0] | |
1480 | url_map = self._extract_from_m3u8(manifest_url, video_id) | |
1481 | video_url_list = self._get_video_url_list(url_map) | |
1482 | if not video_url_list: | |
1483 | return | |
1484 | ||
c5e8d7af PH |
1485 | else: |
1486 | raise ExtractorError(u'no conn or url_encoded_fmt_stream_map information found in video info') | |
1487 | ||
1488 | results = [] | |
1489 | for format_param, video_real_url in video_url_list: | |
1490 | # Extension | |
1491 | video_extension = self._video_extensions.get(format_param, 'flv') | |
1492 | ||
03cc7c20 JMF |
1493 | video_format = '{0} - {1}{2}'.format(format_param if format_param else video_extension, |
1494 | self._video_dimensions.get(format_param, '???'), | |
836a086c | 1495 | ' ('+self._special_itags[format_param]+')' if format_param in self._special_itags else '') |
c5e8d7af PH |
1496 | |
1497 | results.append({ | |
1498 | 'id': video_id, | |
1499 | 'url': video_real_url, | |
1500 | 'uploader': video_uploader, | |
1501 | 'uploader_id': video_uploader_id, | |
1502 | 'upload_date': upload_date, | |
1503 | 'title': video_title, | |
1504 | 'ext': video_extension, | |
1505 | 'format': video_format, | |
1506 | 'thumbnail': video_thumbnail, | |
1507 | 'description': video_description, | |
1508 | 'player_url': player_url, | |
1509 | 'subtitles': video_subtitles, | |
1510 | 'duration': video_duration | |
1511 | }) | |
1512 | return results | |
1513 | ||
1514 | class YoutubePlaylistIE(InfoExtractor): | |
0f818663 | 1515 | IE_DESC = u'YouTube.com playlists' |
c5e8d7af PH |
1516 | _VALID_URL = r"""(?: |
1517 | (?:https?://)? | |
1518 | (?:\w+\.)? | |
1519 | youtube\.com/ | |
1520 | (?: | |
1521 | (?:course|view_play_list|my_playlists|artist|playlist|watch) | |
1522 | \? (?:.*?&)*? (?:p|a|list)= | |
1523 | | p/ | |
1524 | ) | |
c626a3d9 | 1525 | ((?:PL|EC|UU|FL)?[0-9A-Za-z-_]{10,}) |
c5e8d7af PH |
1526 | .* |
1527 | | | |
c626a3d9 | 1528 | ((?:PL|EC|UU|FL)[0-9A-Za-z-_]{10,}) |
c5e8d7af PH |
1529 | )""" |
1530 | _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none' | |
1531 | _MAX_RESULTS = 50 | |
1532 | IE_NAME = u'youtube:playlist' | |
1533 | ||
1534 | @classmethod | |
1535 | def suitable(cls, url): | |
1536 | """Receives a URL and returns True if suitable for this IE.""" | |
1537 | return re.match(cls._VALID_URL, url, re.VERBOSE) is not None | |
1538 | ||
1539 | def _real_extract(self, url): | |
1540 | # Extract playlist id | |
1541 | mobj = re.match(self._VALID_URL, url, re.VERBOSE) | |
1542 | if mobj is None: | |
1543 | raise ExtractorError(u'Invalid URL: %s' % url) | |
1544 | ||
1545 | # Download playlist videos from API | |
1546 | playlist_id = mobj.group(1) or mobj.group(2) | |
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 | ||
1583 | class 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 | ||
1639 | class YoutubeUserIE(InfoExtractor): | |
0f818663 | 1640 | IE_DESC = u'YouTube.com user videos (URL or "ytuser" keyword)' |
faab1d38 | 1641 | _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?)|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 | |
1704 | class 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 | ||
1747 | class 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 | 1762 | class 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 | ||
1804 | class 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 | ||
1810 | class 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 |
1816 | class 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 | |
1824 | class 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') |