# coding: utf-8 from __future__ import unicode_literals import re from .common import InfoExtractor from ..utils import ( ExtractorError, float_or_none, int_or_none, urlencode_postdata, ) class LinkedInLearningBaseIE(InfoExtractor): _NETRC_MACHINE = 'linkedin' def _call_api(self, course_slug, fields, video_slug=None, resolution=None): query = { 'courseSlug': course_slug, 'fields': fields, 'q': 'slugs', } sub = '' if video_slug: query.update({ 'videoSlug': video_slug, 'resolution': '_%s' % resolution, }) sub = ' %dp' % resolution api_url = 'https://www.linkedin.com/learning-api/detailedCourses' return self._download_json( api_url, video_slug, 'Downloading%s JSON metadata' % sub, headers={ 'Csrf-Token': self._get_cookies(api_url)['JSESSIONID'].value, }, query=query)['elements'][0] def _get_urn_id(self, video_data): urn = video_data.get('urn') if urn: mobj = re.search(r'urn:li:lyndaCourse:\d+,(\d+)', urn) if mobj: return mobj.group(1) def _get_video_id(self, video_data, course_slug, video_slug): return self._get_urn_id(video_data) or '%s/%s' % (course_slug, video_slug) def _real_initialize(self): email, password = self._get_login_info() if email is None: return login_page = self._download_webpage( 'https://www.linkedin.com/uas/login?trk=learning', None, 'Downloading login page') action_url = self._search_regex( r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page, 'post url', default='https://www.linkedin.com/uas/login-submit', group='url') data = self._hidden_inputs(login_page) data.update({ 'session_key': email, 'session_password': password, }) login_submit_page = self._download_webpage( action_url, None, 'Logging in', data=urlencode_postdata(data)) error = self._search_regex( r'<span[^>]+class="error"[^>]*>\s*(.+?)\s*</span>', login_submit_page, 'error', default=None) if error: raise ExtractorError(error, expected=True) class LinkedInLearningIE(LinkedInLearningBaseIE): IE_NAME = 'linkedin:learning' _VALID_URL = r'https?://(?:www\.)?linkedin\.com/learning/(?P<course_slug>[^/]+)/(?P<id>[^/?#]+)' _TEST = { 'url': 'https://www.linkedin.com/learning/programming-foundations-fundamentals/welcome?autoplay=true', 'md5': 'a1d74422ff0d5e66a792deb996693167', 'info_dict': { 'id': '90426', 'ext': 'mp4', 'title': 'Welcome', 'timestamp': 1430396150.82, 'upload_date': '20150430', }, } def _real_extract(self, url): course_slug, video_slug = re.match(self._VALID_URL, url).groups() video_data = None formats = [] for width, height in ((640, 360), (960, 540), (1280, 720)): video_data = self._call_api( course_slug, 'selectedVideo', video_slug, height)['selectedVideo'] video_url_data = video_data.get('url') or {} progressive_url = video_url_data.get('progressiveUrl') if progressive_url: formats.append({ 'format_id': 'progressive-%dp' % height, 'url': progressive_url, 'height': height, 'width': width, 'source_preference': 1, }) title = video_data['title'] audio_url = video_data.get('audio', {}).get('progressiveUrl') if audio_url: formats.append({ 'abr': 64, 'ext': 'm4a', 'format_id': 'audio', 'url': audio_url, 'vcodec': 'none', }) streaming_url = video_url_data.get('streamingUrl') if streaming_url: formats.extend(self._extract_m3u8_formats( streaming_url, video_slug, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False)) self._sort_formats(formats, ('width', 'height', 'source_preference', 'tbr', 'abr')) return { 'id': self._get_video_id(video_data, course_slug, video_slug), 'title': title, 'formats': formats, 'thumbnail': video_data.get('defaultThumbnail'), 'timestamp': float_or_none(video_data.get('publishedOn'), 1000), 'duration': int_or_none(video_data.get('durationInSeconds')), } class LinkedInLearningCourseIE(LinkedInLearningBaseIE): IE_NAME = 'linkedin:learning:course' _VALID_URL = r'https?://(?:www\.)?linkedin\.com/learning/(?P<id>[^/?#]+)' _TEST = { 'url': 'https://www.linkedin.com/learning/programming-foundations-fundamentals', 'info_dict': { 'id': 'programming-foundations-fundamentals', 'title': 'Programming Foundations: Fundamentals', 'description': 'md5:76e580b017694eb89dc8e8923fff5c86', }, 'playlist_mincount': 61, } @classmethod def suitable(cls, url): return False if LinkedInLearningIE.suitable(url) else super(LinkedInLearningCourseIE, cls).suitable(url) def _real_extract(self, url): course_slug = self._match_id(url) course_data = self._call_api(course_slug, 'chapters,description,title') entries = [] for chapter_number, chapter in enumerate(course_data.get('chapters', []), 1): chapter_title = chapter.get('title') chapter_id = self._get_urn_id(chapter) for video in chapter.get('videos', []): video_slug = video.get('slug') if not video_slug: continue entries.append({ '_type': 'url_transparent', 'id': self._get_video_id(video, course_slug, video_slug), 'title': video.get('title'), 'url': 'https://www.linkedin.com/learning/%s/%s' % (course_slug, video_slug), 'chapter': chapter_title, 'chapter_number': chapter_number, 'chapter_id': chapter_id, 'ie_key': LinkedInLearningIE.ie_key(), }) return self.playlist_result( entries, course_slug, course_data.get('title'), course_data.get('description'))