X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/abc36f0474141930338eef35e2444365fab932b6..39393b81acfaf4045fb7f20454a0226f0dc9142e:/youtube_dl/extractor/pluralsight.py diff --git a/youtube_dl/extractor/pluralsight.py b/youtube_dl/extractor/pluralsight.py index e45d9fe..abd08bc 100644 --- a/youtube_dl/extractor/pluralsight.py +++ b/youtube_dl/extractor/pluralsight.py @@ -4,6 +4,7 @@ import collections import json import os import random +import re from .common import InfoExtractor from ..compat import ( @@ -18,6 +19,7 @@ from ..utils import ( parse_duration, qualities, srt_subtitles_timecode, + try_get, update_url_query, urlencode_postdata, ) @@ -26,6 +28,87 @@ from ..utils import ( class PluralsightBaseIE(InfoExtractor): _API_BASE = 'https://app.pluralsight.com' + _GRAPHQL_EP = '%s/player/api/graphql' % _API_BASE + _GRAPHQL_HEADERS = { + 'Content-Type': 'application/json;charset=UTF-8', + } + _GRAPHQL_COURSE_TMPL = ''' +query BootstrapPlayer { + rpc { + bootstrapPlayer { + profile { + firstName + lastName + email + username + userHandle + authed + isAuthed + plan + } + course(courseId: "%s") { + name + title + courseHasCaptions + translationLanguages { + code + name + } + supportsWideScreenVideoFormats + timestamp + modules { + name + title + duration + formattedDuration + author + authorized + clips { + authorized + clipId + duration + formattedDuration + id + index + moduleIndex + moduleTitle + name + title + watched + } + } + } + } + } +}''' + + def _download_course(self, course_id, url, display_id): + try: + return self._download_course_rpc(course_id, url, display_id) + except ExtractorError: + # Old API fallback + return self._download_json( + 'https://app.pluralsight.com/player/user/api/v1/player/payload', + display_id, data=urlencode_postdata({'courseId': course_id}), + headers={'Referer': url}) + + def _download_course_rpc(self, course_id, url, display_id): + response = self._download_json( + self._GRAPHQL_EP, display_id, data=json.dumps({ + 'query': self._GRAPHQL_COURSE_TMPL % course_id, + 'variables': {} + }).encode('utf-8'), headers=self._GRAPHQL_HEADERS) + + course = try_get( + response, lambda x: x['data']['rpc']['bootstrapPlayer']['course'], + dict) + if course: + return course + + raise ExtractorError( + '%s said: %s' % (self.IE_NAME, response['error']['message']), + expected=True) + class PluralsightIE(PluralsightBaseIE): IE_NAME = 'pluralsight' @@ -56,11 +139,33 @@ class PluralsightIE(PluralsightBaseIE): 'only_matching': True, }] + GRAPHQL_VIEWCLIP_TMPL = ''' +query viewClip { + viewClip(input: { + author: "%(author)s", + clipIndex: %(clipIndex)d, + courseName: "%(courseName)s", + includeCaptions: %(includeCaptions)s, + locale: "%(locale)s", + mediaType: "%(mediaType)s", + moduleName: "%(moduleName)s", + quality: "%(quality)s" + }) { + urls { + url + cdn + rank + source + }, + status + } +}''' + def _real_initialize(self): self._login() def _login(self): - (username, password) = self._get_login_info() + username, password = self._get_login_info() if username is None: return @@ -82,7 +187,7 @@ class PluralsightIE(PluralsightBaseIE): post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url) response = self._download_webpage( - post_url, None, 'Logging in as %s' % username, + post_url, None, 'Logging in', data=urlencode_postdata(login_form), headers={'Content-Type': 'application/x-www-form-urlencoded'}) @@ -92,25 +197,43 @@ class PluralsightIE(PluralsightBaseIE): if error: raise ExtractorError('Unable to login: %s' % error, expected=True) - if all(p not in response for p in ('__INITIAL_STATE__', '"currentUser"')): + if all(not re.search(p, response) for p in ( + r'__INITIAL_STATE__', r'["\']currentUser["\']', + # new layout? + r'>\s*Sign out\s*<')): BLOCKED = 'Your account has been blocked due to suspicious activity' if BLOCKED in response: raise ExtractorError( 'Unable to login: %s' % BLOCKED, expected=True) + MUST_AGREE = 'To continue using Pluralsight, you must agree to' + if any(p in response for p in (MUST_AGREE, '>Disagree<', '>Agree<')): + raise ExtractorError( + 'Unable to login: %s some documents. Go to pluralsight.com, ' + 'log in and agree with what Pluralsight requires.' + % MUST_AGREE, expected=True) + raise ExtractorError('Unable to log in') - def _get_subtitles(self, author, clip_id, lang, name, duration, video_id): - captions_post = { - 'a': author, - 'cn': clip_id, - 'lc': lang, - 'm': name, - } - captions = self._download_json( - '%s/player/retrieve-captions' % self._API_BASE, video_id, - 'Downloading captions JSON', 'Unable to download captions JSON', - fatal=False, data=json.dumps(captions_post).encode('utf-8'), - headers={'Content-Type': 'application/json;charset=utf-8'}) + def _get_subtitles(self, author, clip_idx, clip_id, lang, name, duration, video_id): + captions = None + if clip_id: + captions = self._download_json( + '%s/transcript/api/v1/caption/json/%s/%s' + % (self._API_BASE, clip_id, lang), video_id, + 'Downloading captions JSON', 'Unable to download captions JSON', + fatal=False) + if not captions: + captions_post = { + 'a': author, + 'cn': int(clip_idx), + 'lc': lang, + 'm': name, + } + captions = self._download_json( + '%s/player/retrieve-captions' % self._API_BASE, video_id, + 'Downloading captions JSON', 'Unable to download captions JSON', + fatal=False, data=json.dumps(captions_post).encode('utf-8'), + headers={'Content-Type': 'application/json;charset=utf-8'}) if captions: return { lang: [{ @@ -130,12 +253,12 @@ class PluralsightIE(PluralsightBaseIE): for num, current in enumerate(subs): current = subs[num] start, text = ( - float_or_none(dict_get(current, TIME_OFFSET_KEYS)), + float_or_none(dict_get(current, TIME_OFFSET_KEYS, skip_false_values=False)), dict_get(current, TEXT_KEYS)) if start is None or text is None: continue end = duration if num == len(subs) - 1 else float_or_none( - dict_get(subs[num + 1], TIME_OFFSET_KEYS)) + dict_get(subs[num + 1], TIME_OFFSET_KEYS, skip_false_values=False)) if end is None: continue srt += os.linesep.join( @@ -154,18 +277,15 @@ class PluralsightIE(PluralsightBaseIE): author = qs.get('author', [None])[0] name = qs.get('name', [None])[0] - clip_id = qs.get('clip', [None])[0] + clip_idx = qs.get('clip', [None])[0] course_name = qs.get('course', [None])[0] - if any(not f for f in (author, name, clip_id, course_name,)): + if any(not f for f in (author, name, clip_idx, course_name,)): raise ExtractorError('Invalid URL', expected=True) - display_id = '%s-%s' % (name, clip_id) + display_id = '%s-%s' % (name, clip_idx) - course = self._download_json( - 'https://app.pluralsight.com/player/user/api/v1/player/payload', - display_id, data=urlencode_postdata({'courseId': course_name}), - headers={'Referer': url}) + course = self._download_course(course_name, url, display_id) collection = course['modules'] @@ -179,7 +299,7 @@ class PluralsightIE(PluralsightBaseIE): clip_index = clip_.get('index') if clip_index is None: continue - if compat_str(clip_index) == clip_id: + if compat_str(clip_index) == clip_idx: clip = clip_ break @@ -187,6 +307,7 @@ class PluralsightIE(PluralsightBaseIE): raise ExtractorError('Unable to resolve clip') title = clip['title'] + clip_id = clip.get('clipName') or clip.get('name') or clip['clipId'] QUALITIES = { 'low': {'width': 640, 'height': 480}, @@ -206,7 +327,7 @@ class PluralsightIE(PluralsightBaseIE): ) # Some courses also offer widescreen resolution for high quality (see - # https://github.com/rg3/youtube-dl/issues/7766) + # https://github.com/ytdl-org/youtube-dl/issues/7766) widescreen = course.get('supportsWideScreenVideoFormats') is True best_quality = 'high-widescreen' if widescreen else 'high' if widescreen: @@ -224,6 +345,7 @@ class PluralsightIE(PluralsightBaseIE): req_format_split = req_format.split('-', 1) if len(req_format_split) > 1: req_ext, req_quality = req_format_split + req_quality = '-'.join(req_quality.split('-')[:2]) for allowed_quality in ALLOWED_QUALITIES: if req_ext == allowed_quality.ext and req_quality in allowed_quality.qualities: return (AllowedQuality(req_ext, (req_quality, )), ) @@ -237,8 +359,8 @@ class PluralsightIE(PluralsightBaseIE): f = QUALITIES[quality].copy() clip_post = { 'author': author, - 'includeCaptions': False, - 'clipIndex': int(clip_id), + 'includeCaptions': 'false', + 'clipIndex': int(clip_idx), 'courseName': course_name, 'locale': 'en', 'moduleName': name, @@ -246,16 +368,28 @@ class PluralsightIE(PluralsightBaseIE): 'quality': '%dx%d' % (f['width'], f['height']), } format_id = '%s-%s' % (ext, quality) - viewclip = self._download_json( - '%s/video/clips/viewclip' % self._API_BASE, display_id, - 'Downloading %s viewclip JSON' % format_id, fatal=False, - data=json.dumps(clip_post).encode('utf-8'), - headers={'Content-Type': 'application/json;charset=utf-8'}) + + try: + viewclip = self._download_json( + self._GRAPHQL_EP, display_id, + 'Downloading %s viewclip graphql' % format_id, + data=json.dumps({ + 'query': self.GRAPHQL_VIEWCLIP_TMPL % clip_post, + 'variables': {} + }).encode('utf-8'), + headers=self._GRAPHQL_HEADERS)['data']['viewClip'] + except ExtractorError: + # Still works but most likely will go soon + viewclip = self._download_json( + '%s/video/clips/viewclip' % self._API_BASE, display_id, + 'Downloading %s viewclip JSON' % format_id, fatal=False, + data=json.dumps(clip_post).encode('utf-8'), + headers={'Content-Type': 'application/json;charset=utf-8'}) # Pluralsight tracks multiple sequential calls to ViewClip API and start # to return 429 HTTP errors after some time (see - # https://github.com/rg3/youtube-dl/pull/6989). Moreover it may even lead - # to account ban (see https://github.com/rg3/youtube-dl/issues/6842). + # https://github.com/ytdl-org/youtube-dl/pull/6989). Moreover it may even lead + # to account ban (see https://github.com/ytdl-org/youtube-dl/issues/6842). # To somewhat reduce the probability of these consequences # we will sleep random amount of time before each call to ViewClip. self._sleep( @@ -291,10 +425,10 @@ class PluralsightIE(PluralsightBaseIE): # TODO: other languages? subtitles = self.extract_subtitles( - author, clip_id, 'en', name, duration, display_id) + author, clip_idx, clip.get('clipId'), 'en', name, duration, display_id) return { - 'id': clip.get('clipName') or clip['name'], + 'id': clip_id, 'title': title, 'duration': duration, 'creator': author, @@ -330,18 +464,7 @@ class PluralsightCourseIE(PluralsightBaseIE): # TODO: PSM cookie - course = self._download_json( - '%s/player/functions/rpc' % self._API_BASE, course_id, - 'Downloading course JSON', - data=json.dumps({ - 'fn': 'bootstrapPlayer', - 'payload': { - 'courseId': course_id, - } - }).encode('utf-8'), - headers={ - 'Content-Type': 'application/json;charset=utf-8' - })['payload']['course'] + course = self._download_course(course_id, url, course_id) title = course['title'] course_name = course['name']