Adding upstream version 2024.03.10.upstream/2024.03.10

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 272 insertions, 0 deletions

diff --git a/yt_dlp/extractor/linkedin.py b/yt_dlp/extractor/linkedin.py
new file mode 100644
index 0000000..ad41c0e
--- /dev/null
+++ b/yt_dlp/extractor/linkedin.py
@@ -0,0 +1,272 @@
+from itertools import zip_longest
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+    ExtractorError,
+    extract_attributes,
+    float_or_none,
+    int_or_none,
+    srt_subtitles_timecode,
+    mimetype2ext,
+    traverse_obj,
+    try_get,
+    url_or_none,
+    urlencode_postdata,
+    urljoin,
+)
+
+
+class LinkedInBaseIE(InfoExtractor):
+    _NETRC_MACHINE = 'linkedin'
+    _logged_in = False
+
+    def _perform_login(self, username, password):
+        if self._logged_in:
+            return
+
+        login_page = self._download_webpage(
+            self._LOGIN_URL, None, 'Downloading login page')
+        action_url = urljoin(self._LOGIN_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': username,
+            '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)
+        LinkedInBaseIE._logged_in = True
+
+
+class LinkedInLearningBaseIE(LinkedInBaseIE):
+    _LOGIN_URL = 'https://www.linkedin.com/uas/login?trk=learning'
+
+    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'
+        if not self._get_cookies(api_url).get('JSESSIONID'):
+            self.raise_login_required()
+        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)
+
+
+class LinkedInIE(LinkedInBaseIE):
+    _VALID_URL = r'https?://(?:www\.)?linkedin\.com/posts/[^/?#]+-(?P<id>\d+)-\w{4}/?(?:[?#]|$)'
+    _TESTS = [{
+        'url': 'https://www.linkedin.com/posts/mishalkhawaja_sendinblueviews-toronto-digitalmarketing-ugcPost-6850898786781339649-mM20',
+        'info_dict': {
+            'id': '6850898786781339649',
+            'ext': 'mp4',
+            'title': 'Mishal K. on LinkedIn: #sendinblueviews #toronto #digitalmarketing #nowhiring #sendinblue…',
+            'description': 'md5:2998a31f6f479376dd62831f53a80f71',
+            'uploader': 'Mishal K.',
+            'thumbnail': 're:^https?://media.licdn.com/dms/image/.*$',
+            'like_count': int
+        },
+    }, {
+        'url': 'https://www.linkedin.com/posts/the-mathworks_2_what-is-mathworks-cloud-center-activity-7151241570371948544-4Gu7',
+        'info_dict': {
+            'id': '7151241570371948544',
+            'ext': 'mp4',
+            'title': 'MathWorks on LinkedIn: What Is MathWorks Cloud Center?',
+            'description': 'md5:95f9d4eeb6337882fb47eefe13d7a40c',
+            'uploader': 'MathWorks',
+            'thumbnail': 're:^https?://media.licdn.com/dms/image/.*$',
+            'like_count': int,
+            'subtitles': 'mincount:1'
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        video_attrs = extract_attributes(self._search_regex(r'(<video[^>]+>)', webpage, 'video'))
+        sources = self._parse_json(video_attrs['data-sources'], video_id)
+        formats = [{
+            'url': source['src'],
+            'ext': mimetype2ext(source.get('type')),
+            'tbr': float_or_none(source.get('data-bitrate'), scale=1000),
+        } for source in sources]
+        subtitles = {'en': [{
+            'url': video_attrs['data-captions-url'],
+            'ext': 'vtt',
+        }]} if url_or_none(video_attrs.get('data-captions-url')) else {}
+
+        return {
+            'id': video_id,
+            'formats': formats,
+            'title': self._og_search_title(webpage, default=None) or self._html_extract_title(webpage),
+            'like_count': int_or_none(self._search_regex(
+                r'\bdata-num-reactions="(\d+)"', webpage, 'reactions', default=None)),
+            'uploader': traverse_obj(
+                self._yield_json_ld(webpage, video_id),
+                (lambda _, v: v['@type'] == 'SocialMediaPosting', 'author', 'name', {str}), get_all=False),
+            'thumbnail': self._og_search_thumbnail(webpage),
+            'description': self._og_search_description(webpage, default=None),
+            'subtitles': subtitles,
+        }
+
+
+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 json2srt(self, transcript_lines, duration=None):
+        srt_data = ''
+        for line, (line_dict, next_dict) in enumerate(zip_longest(transcript_lines, transcript_lines[1:])):
+            start_time, caption = line_dict['transcriptStartAt'] / 1000, line_dict['caption']
+            end_time = next_dict['transcriptStartAt'] / 1000 if next_dict else duration or start_time + 1
+            srt_data += '%d\n%s --> %s\n%s\n\n' % (line + 1, srt_subtitles_timecode(start_time),
+                                                   srt_subtitles_timecode(end_time),
+                                                   caption)
+        return srt_data
+
+    def _real_extract(self, url):
+        course_slug, video_slug = self._match_valid_url(url).groups()
+
+        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,
+                    'ext': 'mp4',
+                    '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))
+
+        subtitles = {}
+        duration = int_or_none(video_data.get('durationInSeconds'))
+        transcript_lines = try_get(video_data, lambda x: x['transcript']['lines'], expected_type=list)
+        if transcript_lines:
+            subtitles['en'] = [{
+                'ext': 'srt',
+                'data': self.json2srt(transcript_lines, duration)
+            }]
+
+        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': duration,
+            'subtitles': subtitles,
+            # It seems like this would be correctly handled by default
+            # However, unless someone can confirm this, the old
+            # behaviour is being kept as-is
+            '_format_sort_fields': ('res', 'source_preference')
+        }
+
+
+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'))