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Commit | Line | Data |
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483fc223 S |
1 | from __future__ import unicode_literals |
2 | ||
8c3e35dd | 3 | import collections |
483fc223 | 4 | import json |
8c3e35dd | 5 | import os |
38eb2968 | 6 | import random |
21c1a00d | 7 | import re |
483fc223 S |
8 | |
9 | from .common import InfoExtractor | |
10 | from ..compat import ( | |
11 | compat_str, | |
483fc223 S |
12 | compat_urlparse, |
13 | ) | |
14 | from ..utils import ( | |
425f3fdf | 15 | dict_get, |
483fc223 | 16 | ExtractorError, |
8c3e35dd | 17 | float_or_none, |
483fc223 S |
18 | int_or_none, |
19 | parse_duration, | |
4dfbf869 | 20 | parse_qs, |
756926ff | 21 | qualities, |
8c3e35dd | 22 | srt_subtitles_timecode, |
93d0583e | 23 | try_get, |
3d7e3aaa | 24 | update_url_query, |
6e6bc8da | 25 | urlencode_postdata, |
483fc223 S |
26 | ) |
27 | ||
28 | ||
563772ed | 29 | class PluralsightBaseIE(InfoExtractor): |
9df6b03c | 30 | _API_BASE = 'https://app.pluralsight.com' |
563772ed | 31 | |
836ef484 S |
32 | _GRAPHQL_EP = '%s/player/api/graphql' % _API_BASE |
33 | _GRAPHQL_HEADERS = { | |
34 | 'Content-Type': 'application/json;charset=UTF-8', | |
35 | } | |
36 | _GRAPHQL_COURSE_TMPL = ''' | |
37 | query BootstrapPlayer { | |
38 | rpc { | |
39 | bootstrapPlayer { | |
40 | profile { | |
41 | firstName | |
42 | lastName | |
43 | ||
44 | username | |
45 | userHandle | |
46 | authed | |
47 | isAuthed | |
48 | plan | |
49 | } | |
50 | course(courseId: "%s") { | |
51 | name | |
52 | title | |
53 | courseHasCaptions | |
54 | translationLanguages { | |
55 | code | |
56 | name | |
57 | } | |
58 | supportsWideScreenVideoFormats | |
59 | timestamp | |
60 | modules { | |
61 | name | |
62 | title | |
63 | duration | |
64 | formattedDuration | |
65 | author | |
66 | authorized | |
67 | clips { | |
68 | authorized | |
69 | clipId | |
70 | duration | |
71 | formattedDuration | |
72 | id | |
73 | index | |
74 | moduleIndex | |
75 | moduleTitle | |
76 | name | |
77 | title | |
78 | watched | |
79 | } | |
80 | } | |
81 | } | |
82 | } | |
83 | } | |
84 | }''' | |
85 | ||
93d0583e S |
86 | def _download_course(self, course_id, url, display_id): |
87 | try: | |
88 | return self._download_course_rpc(course_id, url, display_id) | |
89 | except ExtractorError: | |
90 | # Old API fallback | |
91 | return self._download_json( | |
92 | 'https://app.pluralsight.com/player/user/api/v1/player/payload', | |
93 | display_id, data=urlencode_postdata({'courseId': course_id}), | |
94 | headers={'Referer': url}) | |
95 | ||
96 | def _download_course_rpc(self, course_id, url, display_id): | |
97 | response = self._download_json( | |
836ef484 S |
98 | self._GRAPHQL_EP, display_id, data=json.dumps({ |
99 | 'query': self._GRAPHQL_COURSE_TMPL % course_id, | |
100 | 'variables': {} | |
101 | }).encode('utf-8'), headers=self._GRAPHQL_HEADERS) | |
102 | ||
103 | course = try_get( | |
104 | response, lambda x: x['data']['rpc']['bootstrapPlayer']['course'], | |
105 | dict) | |
93d0583e S |
106 | if course: |
107 | return course | |
108 | ||
109 | raise ExtractorError( | |
110 | '%s said: %s' % (self.IE_NAME, response['error']['message']), | |
111 | expected=True) | |
112 | ||
563772ed S |
113 | |
114 | class PluralsightIE(PluralsightBaseIE): | |
483fc223 | 115 | IE_NAME = 'pluralsight' |
b0dfcab6 | 116 | _VALID_URL = r'https?://(?:(?:www|app)\.)?pluralsight\.com/(?:training/)?player\?' |
c3a227d1 | 117 | _LOGIN_URL = 'https://app.pluralsight.com/id/' |
563772ed | 118 | |
483fc223 S |
119 | _NETRC_MACHINE = 'pluralsight' |
120 | ||
71bd93b8 | 121 | _TESTS = [{ |
483fc223 S |
122 | 'url': 'http://www.pluralsight.com/training/player?author=mike-mckeown&name=hosting-sql-server-windows-azure-iaas-m7-mgmt&mode=live&clip=3&course=hosting-sql-server-windows-azure-iaas', |
123 | 'md5': '4d458cf5cf4c593788672419a8dd4cf8', | |
124 | 'info_dict': { | |
125 | 'id': 'hosting-sql-server-windows-azure-iaas-m7-mgmt-04', | |
126 | 'ext': 'mp4', | |
8e5a7c5e | 127 | 'title': 'Demo Monitoring', |
483fc223 S |
128 | 'duration': 338, |
129 | }, | |
130 | 'skip': 'Requires pluralsight account credentials', | |
71bd93b8 S |
131 | }, { |
132 | 'url': 'https://app.pluralsight.com/training/player?course=angularjs-get-started&author=scott-allen&name=angularjs-get-started-m1-introduction&clip=0&mode=live', | |
133 | 'only_matching': True, | |
c23e2664 S |
134 | }, { |
135 | # available without pluralsight account | |
136 | 'url': 'http://app.pluralsight.com/training/player?author=scott-allen&name=angularjs-get-started-m1-introduction&mode=live&clip=0&course=angularjs-get-started', | |
137 | 'only_matching': True, | |
b0dfcab6 S |
138 | }, { |
139 | 'url': 'https://app.pluralsight.com/player?course=ccna-intro-networking&author=ross-bagurdes&name=ccna-intro-networking-m06&clip=0', | |
140 | 'only_matching': True, | |
71bd93b8 | 141 | }] |
483fc223 | 142 | |
836ef484 S |
143 | GRAPHQL_VIEWCLIP_TMPL = ''' |
144 | query viewClip { | |
145 | viewClip(input: { | |
146 | author: "%(author)s", | |
147 | clipIndex: %(clipIndex)d, | |
148 | courseName: "%(courseName)s", | |
149 | includeCaptions: %(includeCaptions)s, | |
150 | locale: "%(locale)s", | |
151 | mediaType: "%(mediaType)s", | |
152 | moduleName: "%(moduleName)s", | |
153 | quality: "%(quality)s" | |
154 | }) { | |
155 | urls { | |
156 | url | |
157 | cdn | |
158 | rank | |
159 | source | |
160 | }, | |
161 | status | |
162 | } | |
163 | }''' | |
164 | ||
483fc223 S |
165 | def _real_initialize(self): |
166 | self._login() | |
167 | ||
168 | def _login(self): | |
68217024 | 169 | username, password = self._get_login_info() |
483fc223 | 170 | if username is None: |
c23e2664 | 171 | return |
483fc223 S |
172 | |
173 | login_page = self._download_webpage( | |
174 | self._LOGIN_URL, None, 'Downloading login page') | |
175 | ||
176 | login_form = self._hidden_inputs(login_page) | |
177 | ||
178 | login_form.update({ | |
244cd042 S |
179 | 'Username': username, |
180 | 'Password': password, | |
483fc223 S |
181 | }) |
182 | ||
183 | post_url = self._search_regex( | |
184 | r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page, | |
185 | 'post url', default=self._LOGIN_URL, group='url') | |
186 | ||
187 | if not post_url.startswith('http'): | |
188 | post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url) | |
189 | ||
483fc223 | 190 | response = self._download_webpage( |
e4d95865 | 191 | post_url, None, 'Logging in', |
30317f48 S |
192 | data=urlencode_postdata(login_form), |
193 | headers={'Content-Type': 'application/x-www-form-urlencoded'}) | |
483fc223 S |
194 | |
195 | error = self._search_regex( | |
196 | r'<span[^>]+class="field-validation-error"[^>]*>([^<]+)</span>', | |
197 | response, 'error message', default=None) | |
198 | if error: | |
199 | raise ExtractorError('Unable to login: %s' % error, expected=True) | |
200 | ||
21c1a00d S |
201 | if all(not re.search(p, response) for p in ( |
202 | r'__INITIAL_STATE__', r'["\']currentUser["\']', | |
203 | # new layout? | |
204 | r'>\s*Sign out\s*<')): | |
9dd5408c S |
205 | BLOCKED = 'Your account has been blocked due to suspicious activity' |
206 | if BLOCKED in response: | |
207 | raise ExtractorError( | |
208 | 'Unable to login: %s' % BLOCKED, expected=True) | |
c94427dd S |
209 | MUST_AGREE = 'To continue using Pluralsight, you must agree to' |
210 | if any(p in response for p in (MUST_AGREE, '>Disagree<', '>Agree<')): | |
211 | raise ExtractorError( | |
212 | 'Unable to login: %s some documents. Go to pluralsight.com, ' | |
213 | 'log in and agree with what Pluralsight requires.' | |
214 | % MUST_AGREE, expected=True) | |
215 | ||
7e508ff2 S |
216 | raise ExtractorError('Unable to log in') |
217 | ||
36534313 S |
218 | def _get_subtitles(self, author, clip_idx, clip_id, lang, name, duration, video_id): |
219 | captions = None | |
220 | if clip_id: | |
221 | captions = self._download_json( | |
222 | '%s/transcript/api/v1/caption/json/%s/%s' | |
223 | % (self._API_BASE, clip_id, lang), video_id, | |
224 | 'Downloading captions JSON', 'Unable to download captions JSON', | |
225 | fatal=False) | |
226 | if not captions: | |
227 | captions_post = { | |
228 | 'a': author, | |
229 | 'cn': int(clip_idx), | |
230 | 'lc': lang, | |
231 | 'm': name, | |
232 | } | |
233 | captions = self._download_json( | |
234 | '%s/player/retrieve-captions' % self._API_BASE, video_id, | |
235 | 'Downloading captions JSON', 'Unable to download captions JSON', | |
236 | fatal=False, data=json.dumps(captions_post).encode('utf-8'), | |
237 | headers={'Content-Type': 'application/json;charset=utf-8'}) | |
8c3e35dd S |
238 | if captions: |
239 | return { | |
240 | lang: [{ | |
241 | 'ext': 'json', | |
242 | 'data': json.dumps(captions), | |
243 | }, { | |
244 | 'ext': 'srt', | |
245 | 'data': self._convert_subtitles(duration, captions), | |
246 | }] | |
247 | } | |
248 | ||
249 | @staticmethod | |
250 | def _convert_subtitles(duration, subs): | |
251 | srt = '' | |
425f3fdf S |
252 | TIME_OFFSET_KEYS = ('displayTimeOffset', 'DisplayTimeOffset') |
253 | TEXT_KEYS = ('text', 'Text') | |
8c3e35dd S |
254 | for num, current in enumerate(subs): |
255 | current = subs[num] | |
425f3fdf | 256 | start, text = ( |
2c8e11b4 | 257 | float_or_none(dict_get(current, TIME_OFFSET_KEYS, skip_false_values=False)), |
425f3fdf | 258 | dict_get(current, TEXT_KEYS)) |
8c3e35dd S |
259 | if start is None or text is None: |
260 | continue | |
261 | end = duration if num == len(subs) - 1 else float_or_none( | |
2c8e11b4 | 262 | dict_get(subs[num + 1], TIME_OFFSET_KEYS, skip_false_values=False)) |
30317f48 S |
263 | if end is None: |
264 | continue | |
8c3e35dd S |
265 | srt += os.linesep.join( |
266 | ( | |
267 | '%d' % num, | |
268 | '%s --> %s' % ( | |
269 | srt_subtitles_timecode(start), | |
270 | srt_subtitles_timecode(end)), | |
271 | text, | |
272 | os.linesep, | |
273 | )) | |
274 | return srt | |
275 | ||
483fc223 | 276 | def _real_extract(self, url): |
4dfbf869 | 277 | qs = parse_qs(url) |
71bd93b8 S |
278 | |
279 | author = qs.get('author', [None])[0] | |
280 | name = qs.get('name', [None])[0] | |
a3f86160 | 281 | clip_idx = qs.get('clip', [None])[0] |
9df6b03c | 282 | course_name = qs.get('course', [None])[0] |
71bd93b8 | 283 | |
a3f86160 | 284 | if any(not f for f in (author, name, clip_idx, course_name,)): |
71bd93b8 | 285 | raise ExtractorError('Invalid URL', expected=True) |
483fc223 | 286 | |
a3f86160 | 287 | display_id = '%s-%s' % (name, clip_idx) |
483fc223 | 288 | |
93d0583e | 289 | course = self._download_course(course_name, url, display_id) |
9df6b03c S |
290 | |
291 | collection = course['modules'] | |
483fc223 | 292 | |
d212c93d | 293 | clip = None |
483fc223 S |
294 | |
295 | for module_ in collection: | |
02f0da20 | 296 | if name in (module_.get('moduleName'), module_.get('name')): |
483fc223 S |
297 | for clip_ in module_.get('clips', []): |
298 | clip_index = clip_.get('clipIndex') | |
02f0da20 S |
299 | if clip_index is None: |
300 | clip_index = clip_.get('index') | |
483fc223 S |
301 | if clip_index is None: |
302 | continue | |
a3f86160 | 303 | if compat_str(clip_index) == clip_idx: |
483fc223 S |
304 | clip = clip_ |
305 | break | |
306 | ||
307 | if not clip: | |
308 | raise ExtractorError('Unable to resolve clip') | |
309 | ||
8e5a7c5e | 310 | title = clip['title'] |
a3f86160 | 311 | clip_id = clip.get('clipName') or clip.get('name') or clip['clipId'] |
8c3e35dd | 312 | |
483fc223 S |
313 | QUALITIES = { |
314 | 'low': {'width': 640, 'height': 480}, | |
315 | 'medium': {'width': 848, 'height': 640}, | |
316 | 'high': {'width': 1024, 'height': 768}, | |
756926ff | 317 | 'high-widescreen': {'width': 1280, 'height': 720}, |
483fc223 S |
318 | } |
319 | ||
756926ff S |
320 | QUALITIES_PREFERENCE = ('low', 'medium', 'high', 'high-widescreen',) |
321 | quality_key = qualities(QUALITIES_PREFERENCE) | |
322 | ||
4c57b485 S |
323 | AllowedQuality = collections.namedtuple('AllowedQuality', ['ext', 'qualities']) |
324 | ||
483fc223 | 325 | ALLOWED_QUALITIES = ( |
756926ff S |
326 | AllowedQuality('webm', ['high', ]), |
327 | AllowedQuality('mp4', ['low', 'medium', 'high', ]), | |
483fc223 S |
328 | ) |
329 | ||
756926ff | 330 | # Some courses also offer widescreen resolution for high quality (see |
067aa17e | 331 | # https://github.com/ytdl-org/youtube-dl/issues/7766) |
9df6b03c | 332 | widescreen = course.get('supportsWideScreenVideoFormats') is True |
756926ff S |
333 | best_quality = 'high-widescreen' if widescreen else 'high' |
334 | if widescreen: | |
335 | for allowed_quality in ALLOWED_QUALITIES: | |
336 | allowed_quality.qualities.append(best_quality) | |
337 | ||
cf186b77 S |
338 | # In order to minimize the number of calls to ViewClip API and reduce |
339 | # the probability of being throttled or banned by Pluralsight we will request | |
0eebf34d | 340 | # only single format until formats listing was explicitly requested. |
a06916d9 | 341 | if self.get_param('listformats', False): |
4c57b485 S |
342 | allowed_qualities = ALLOWED_QUALITIES |
343 | else: | |
344 | def guess_allowed_qualities(): | |
a06916d9 | 345 | req_format = self.get_param('format') or 'best' |
edc70f4a | 346 | req_format_split = req_format.split('-', 1) |
4c57b485 S |
347 | if len(req_format_split) > 1: |
348 | req_ext, req_quality = req_format_split | |
fac188c6 | 349 | req_quality = '-'.join(req_quality.split('-')[:2]) |
4c57b485 S |
350 | for allowed_quality in ALLOWED_QUALITIES: |
351 | if req_ext == allowed_quality.ext and req_quality in allowed_quality.qualities: | |
352 | return (AllowedQuality(req_ext, (req_quality, )), ) | |
a06916d9 | 353 | req_ext = 'webm' if self.get_param('prefer_free_formats') else 'mp4' |
756926ff | 354 | return (AllowedQuality(req_ext, (best_quality, )), ) |
4c57b485 S |
355 | allowed_qualities = guess_allowed_qualities() |
356 | ||
483fc223 | 357 | formats = [] |
756926ff S |
358 | for ext, qualities_ in allowed_qualities: |
359 | for quality in qualities_: | |
483fc223 S |
360 | f = QUALITIES[quality].copy() |
361 | clip_post = { | |
9df6b03c | 362 | 'author': author, |
836ef484 | 363 | 'includeCaptions': 'false', |
a3f86160 | 364 | 'clipIndex': int(clip_idx), |
9df6b03c S |
365 | 'courseName': course_name, |
366 | 'locale': 'en', | |
367 | 'moduleName': name, | |
368 | 'mediaType': ext, | |
369 | 'quality': '%dx%d' % (f['width'], f['height']), | |
483fc223 | 370 | } |
483fc223 | 371 | format_id = '%s-%s' % (ext, quality) |
836ef484 S |
372 | |
373 | try: | |
374 | viewclip = self._download_json( | |
375 | self._GRAPHQL_EP, display_id, | |
376 | 'Downloading %s viewclip graphql' % format_id, | |
377 | data=json.dumps({ | |
378 | 'query': self.GRAPHQL_VIEWCLIP_TMPL % clip_post, | |
379 | 'variables': {} | |
380 | }).encode('utf-8'), | |
381 | headers=self._GRAPHQL_HEADERS)['data']['viewClip'] | |
382 | except ExtractorError: | |
383 | # Still works but most likely will go soon | |
384 | viewclip = self._download_json( | |
385 | '%s/video/clips/viewclip' % self._API_BASE, display_id, | |
386 | 'Downloading %s viewclip JSON' % format_id, fatal=False, | |
387 | data=json.dumps(clip_post).encode('utf-8'), | |
388 | headers={'Content-Type': 'application/json;charset=utf-8'}) | |
38eb2968 S |
389 | |
390 | # Pluralsight tracks multiple sequential calls to ViewClip API and start | |
391 | # to return 429 HTTP errors after some time (see | |
067aa17e S |
392 | # https://github.com/ytdl-org/youtube-dl/pull/6989). Moreover it may even lead |
393 | # to account ban (see https://github.com/ytdl-org/youtube-dl/issues/6842). | |
38eb2968 S |
394 | # To somewhat reduce the probability of these consequences |
395 | # we will sleep random amount of time before each call to ViewClip. | |
396 | self._sleep( | |
201c1459 | 397 | random.randint(5, 10), display_id, |
38eb2968 S |
398 | '%(video_id)s: Waiting for %(timeout)s seconds to avoid throttling') |
399 | ||
f8ae2c7f | 400 | if not viewclip: |
483fc223 | 401 | continue |
f8ae2c7f S |
402 | |
403 | clip_urls = viewclip.get('urls') | |
404 | if not isinstance(clip_urls, list): | |
405 | continue | |
406 | ||
407 | for clip_url_data in clip_urls: | |
408 | clip_url = clip_url_data.get('url') | |
409 | if not clip_url: | |
410 | continue | |
411 | cdn = clip_url_data.get('cdn') | |
412 | clip_f = f.copy() | |
413 | clip_f.update({ | |
414 | 'url': clip_url, | |
415 | 'ext': ext, | |
416 | 'format_id': '%s-%s' % (format_id, cdn) if cdn else format_id, | |
417 | 'quality': quality_key(quality), | |
418 | 'source_preference': int_or_none(clip_url_data.get('rank')), | |
419 | }) | |
420 | formats.append(clip_f) | |
421 | ||
483fc223 S |
422 | self._sort_formats(formats) |
423 | ||
8c3e35dd S |
424 | duration = int_or_none( |
425 | clip.get('duration')) or parse_duration(clip.get('formattedDuration')) | |
426 | ||
427 | # TODO: other languages? | |
428 | subtitles = self.extract_subtitles( | |
36534313 | 429 | author, clip_idx, clip.get('clipId'), 'en', name, duration, display_id) |
483fc223 S |
430 | |
431 | return { | |
a3f86160 | 432 | 'id': clip_id, |
8c3e35dd S |
433 | 'title': title, |
434 | 'duration': duration, | |
483fc223 | 435 | 'creator': author, |
8c3e35dd S |
436 | 'formats': formats, |
437 | 'subtitles': subtitles, | |
483fc223 S |
438 | } |
439 | ||
440 | ||
563772ed | 441 | class PluralsightCourseIE(PluralsightBaseIE): |
483fc223 | 442 | IE_NAME = 'pluralsight:course' |
a5cd0eb8 | 443 | _VALID_URL = r'https?://(?:(?:www|app)\.)?pluralsight\.com/(?:library/)?courses/(?P<id>[^/]+)' |
c23e2664 | 444 | _TESTS = [{ |
483fc223 S |
445 | # Free course from Pluralsight Starter Subscription for Microsoft TechNet |
446 | # https://offers.pluralsight.com/technet?loc=zTS3z&prod=zOTprodz&tech=zOttechz&prog=zOTprogz&type=zSOz&media=zOTmediaz&country=zUSz | |
447 | 'url': 'http://www.pluralsight.com/courses/hosting-sql-server-windows-azure-iaas', | |
448 | 'info_dict': { | |
449 | 'id': 'hosting-sql-server-windows-azure-iaas', | |
450 | 'title': 'Hosting SQL Server in Microsoft Azure IaaS Fundamentals', | |
451 | 'description': 'md5:61b37e60f21c4b2f91dc621a977d0986', | |
452 | }, | |
453 | 'playlist_count': 31, | |
c23e2664 S |
454 | }, { |
455 | # available without pluralsight account | |
456 | 'url': 'https://www.pluralsight.com/courses/angularjs-get-started', | |
457 | 'only_matching': True, | |
a5cd0eb8 S |
458 | }, { |
459 | 'url': 'https://app.pluralsight.com/library/courses/understanding-microsoft-azure-amazon-aws/table-of-contents', | |
460 | 'only_matching': True, | |
c23e2664 | 461 | }] |
483fc223 S |
462 | |
463 | def _real_extract(self, url): | |
464 | course_id = self._match_id(url) | |
465 | ||
2b6bda1e S |
466 | # TODO: PSM cookie |
467 | ||
93d0583e | 468 | course = self._download_course(course_id, url, course_id) |
483fc223 S |
469 | |
470 | title = course['title'] | |
3d7e3aaa S |
471 | course_name = course['name'] |
472 | course_data = course['modules'] | |
483fc223 S |
473 | description = course.get('description') or course.get('shortDescription') |
474 | ||
483fc223 | 475 | entries = [] |
8018028d | 476 | for num, module in enumerate(course_data, 1): |
3d7e3aaa S |
477 | author = module.get('author') |
478 | module_name = module.get('name') | |
479 | if not author or not module_name: | |
480 | continue | |
483fc223 | 481 | for clip in module.get('clips', []): |
3d7e3aaa S |
482 | clip_index = int_or_none(clip.get('index')) |
483 | if clip_index is None: | |
483fc223 | 484 | continue |
3d7e3aaa S |
485 | clip_url = update_url_query( |
486 | '%s/player' % self._API_BASE, query={ | |
487 | 'mode': 'live', | |
488 | 'course': course_name, | |
489 | 'author': author, | |
490 | 'name': module_name, | |
491 | 'clip': clip_index, | |
492 | }) | |
8018028d S |
493 | entries.append({ |
494 | '_type': 'url_transparent', | |
3d7e3aaa | 495 | 'url': clip_url, |
8018028d S |
496 | 'ie_key': PluralsightIE.ie_key(), |
497 | 'chapter': module.get('title'), | |
498 | 'chapter_number': num, | |
499 | 'chapter_id': module.get('moduleRef'), | |
500 | }) | |
483fc223 | 501 | |
483fc223 | 502 | return self.playlist_result(entries, course_id, title, description) |