X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/87a0165ca7e39af4dacb7ec637063b2cd35ae40b..7b54e7278c1ff62e888689ec470f488682311356:/youtube_dl/extractor/pluralsight.py diff --git a/youtube_dl/extractor/pluralsight.py b/youtube_dl/extractor/pluralsight.py index 0ffd41e..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 +19,8 @@ from ..utils import ( parse_duration, qualities, srt_subtitles_timecode, + try_get, + update_url_query, urlencode_postdata, ) @@ -25,6 +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' @@ -39,7 +123,7 @@ class PluralsightIE(PluralsightBaseIE): 'info_dict': { 'id': 'hosting-sql-server-windows-azure-iaas-m7-mgmt-04', 'ext': 'mp4', - 'title': 'Management of SQL Server - Demo Monitoring', + 'title': 'Demo Monitoring', 'duration': 338, }, 'skip': 'Requires pluralsight account credentials', @@ -55,11 +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 @@ -81,7 +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'}) @@ -91,21 +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: [{ @@ -125,12 +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( @@ -149,43 +277,37 @@ 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) - parsed_url = compat_urlparse.urlparse(url) - - payload_url = compat_urlparse.urlunparse(parsed_url._replace( - netloc='app.pluralsight.com', path='player/api/v1/payload')) - - course = self._download_json( - payload_url, display_id, headers={'Referer': url})['payload']['course'] + course = self._download_course(course_name, url, display_id) collection = course['modules'] - module, clip = None, None + clip = None for module_ in collection: if name in (module_.get('moduleName'), module_.get('name')): - module = module_ for clip_ in module_.get('clips', []): clip_index = clip_.get('clipIndex') if clip_index is None: 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 if not clip: raise ExtractorError('Unable to resolve clip') - title = '%s - %s' % (module['title'], clip['title']) + title = clip['title'] + clip_id = clip.get('clipName') or clip.get('name') or clip['clipId'] QUALITIES = { 'low': {'width': 640, 'height': 480}, @@ -205,7 +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: @@ -223,6 +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, )), ) @@ -236,8 +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, @@ -245,16 +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( @@ -290,10 +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, @@ -329,26 +464,34 @@ class PluralsightCourseIE(PluralsightBaseIE): # TODO: PSM cookie - course = self._download_json( - '%s/data/course/%s' % (self._API_BASE, course_id), - course_id, 'Downloading course JSON') + course = self._download_course(course_id, url, course_id) title = course['title'] + course_name = course['name'] + course_data = course['modules'] description = course.get('description') or course.get('shortDescription') - course_data = self._download_json( - '%s/data/course/content/%s' % (self._API_BASE, course_id), - course_id, 'Downloading course data JSON') - entries = [] for num, module in enumerate(course_data, 1): + author = module.get('author') + module_name = module.get('name') + if not author or not module_name: + continue for clip in module.get('clips', []): - player_parameters = clip.get('playerParameters') - if not player_parameters: + clip_index = int_or_none(clip.get('index')) + if clip_index is None: continue + clip_url = update_url_query( + '%s/player' % self._API_BASE, query={ + 'mode': 'live', + 'course': course_name, + 'author': author, + 'name': module_name, + 'clip': clip_index, + }) entries.append({ '_type': 'url_transparent', - 'url': '%s/training/player?%s' % (self._API_BASE, player_parameters), + 'url': clip_url, 'ie_key': PluralsightIE.ie_key(), 'chapter': module.get('title'), 'chapter_number': num,