From c25cac2f8e5fbac2737a426d7778fd2f0efc5381 Mon Sep 17 00:00:00 2001 From: bashonly <88596187+bashonly@users.noreply.github.com> Date: Mon, 29 May 2023 01:40:44 -0500 Subject: [PATCH] [extractor/dacast] Add extractors (#6896) Closes #6163 Authored by: bashonly --- yt_dlp/extractor/_extractors.py | 4 + yt_dlp/extractor/dacast.py | 158 ++++++++++++++++++++++++++++++++ 2 files changed, 162 insertions(+) create mode 100644 yt_dlp/extractor/dacast.py diff --git a/yt_dlp/extractor/_extractors.py b/yt_dlp/extractor/_extractors.py index 999b113783..0f65f1cc7b 100644 --- a/yt_dlp/extractor/_extractors.py +++ b/yt_dlp/extractor/_extractors.py @@ -428,6 +428,10 @@ from .cybrary import ( CybraryIE, CybraryCourseIE ) +from .dacast import ( + DacastVODIE, + DacastPlaylistIE, +) from .daftsex import DaftsexIE from .dailymail import DailyMailIE from .dailymotion import ( diff --git a/yt_dlp/extractor/dacast.py b/yt_dlp/extractor/dacast.py new file mode 100644 index 0000000000..cf683bad48 --- /dev/null +++ b/yt_dlp/extractor/dacast.py @@ -0,0 +1,158 @@ +import hashlib +import re +import time +import urllib.error + +from .common import InfoExtractor +from ..utils import ( + ExtractorError, + classproperty, + float_or_none, + traverse_obj, + url_or_none, +) + + +class DacastBaseIE(InfoExtractor): + _URL_TYPE = None + + @classproperty + def _VALID_URL(cls): + return fr'https?://iframe\.dacast\.com/{cls._URL_TYPE}/(?P[\w-]+)/(?P[\w-]+)' + + @classproperty + def _EMBED_REGEX(cls): + return [rf']+\bsrc=["\'](?P{cls._VALID_URL})'] + + _API_INFO_URL = 'https://playback.dacast.com/content/info' + + @classmethod + def _get_url_from_id(cls, content_id): + user_id, media_id = content_id.split(f'-{cls._URL_TYPE}-') + return f'https://iframe.dacast.com/{cls._URL_TYPE}/{user_id}/{media_id}' + + @classmethod + def _extract_embed_urls(cls, url, webpage): + yield from super()._extract_embed_urls(url, webpage) + for content_id in re.findall( + rf']+\bsrc=["\']https://player\.dacast\.com/js/player\.js\?contentId=([\w-]+-{cls._URL_TYPE}-[\w-]+)["\']', webpage): + yield cls._get_url_from_id(content_id) + + +class DacastVODIE(DacastBaseIE): + _URL_TYPE = 'vod' + _TESTS = [{ + 'url': 'https://iframe.dacast.com/vod/acae82153ef4d7a7344ae4eaa86af534/1c6143e3-5a06-371d-8695-19b96ea49090', + 'info_dict': { + 'id': '1c6143e3-5a06-371d-8695-19b96ea49090', + 'ext': 'mp4', + 'uploader_id': 'acae82153ef4d7a7344ae4eaa86af534', + 'title': '2_4||Adnexal mass characterisation: O-RADS US and MRI||N. Bharwani, London/UK', + 'thumbnail': 'https://universe-files.dacast.com/26137208-5858-65c1-5e9a-9d6b6bd2b6c2', + }, + 'params': {'skip_download': 'm3u8'}, + }] + _WEBPAGE_TESTS = [{ + 'url': 'https://www.dacast.com/support/knowledgebase/how-can-i-embed-a-video-on-my-website/', + 'info_dict': { + 'id': 'b6674869-f08a-23c5-1d7b-81f5309e1a90', + 'ext': 'mp4', + 'title': '4-HowToEmbedVideo.mp4', + 'uploader_id': '3b67c4a9-3886-4eb1-d0eb-39b23b14bef3', + 'thumbnail': 'https://universe-files.dacast.com/d26ab48f-a52a-8783-c42e-a90290ba06b6.png', + }, + 'params': {'skip_download': 'm3u8'}, + }, { + 'url': 'https://gist.githubusercontent.com/bashonly/4ad249ef2910346fbdf3809b220f11ee/raw/87349778d4af1a80b1fcc3beb9c88108de5858f5/dacast_embeds.html', + 'info_dict': { + 'id': 'e7df418e-a83b-7a7f-7b5e-1a667981e8fa', + 'ext': 'mp4', + 'title': 'Evening Service 2-5-23', + 'uploader_id': '943bb1ab3c03695ba85330d92d6d226e', + 'thumbnail': 'https://universe-files.dacast.com/337472b3-e92c-2ea4-7eb7-5700da477f67', + }, + 'params': {'skip_download': 'm3u8'}, + }] + + def _real_extract(self, url): + user_id, video_id = self._match_valid_url(url).group('user_id', 'id') + query = {'contentId': f'{user_id}-vod-{video_id}', 'provider': 'universe'} + info = self._download_json(self._API_INFO_URL, video_id, query=query, fatal=False) + access = self._download_json( + 'https://playback.dacast.com/content/access', video_id, + note='Downloading access JSON', query=query, expected_status=403) + + error = access.get('error') + if error in ('Broadcaster has been blocked', 'Content is offline'): + raise ExtractorError(error, expected=True) + elif error: + raise ExtractorError(f'Dacast API says "{error}"') + + hls_url = access['hls'] + hls_aes = {} + + if 'DRM_EXT' in hls_url: + self.report_drm(video_id) + elif '/uspaes/' in hls_url: + # From https://player.dacast.com/js/player.js + ts = int(time.time()) + signature = hashlib.sha1( + f'{10413792000 - ts}{ts}YfaKtquEEpDeusCKbvYszIEZnWmBcSvw').digest().hex() + hls_aes['uri'] = f'https://keys.dacast.com/uspaes/{video_id}.key?s={signature}&ts={ts}' + + for retry in self.RetryManager(): + try: + formats = self._extract_m3u8_formats(hls_url, video_id, 'mp4', m3u8_id='hls') + except ExtractorError as e: + # CDN will randomly respond with 403 + if isinstance(e.cause, urllib.error.HTTPError) and e.cause.code == 403: + retry.error = e + continue + raise + + return { + 'id': video_id, + 'uploader_id': user_id, + 'formats': formats, + 'hls_aes': hls_aes or None, + **traverse_obj(info, ('contentInfo', { + 'title': 'title', + 'duration': ('duration', {float_or_none}), + 'thumbnail': ('thumbnailUrl', {url_or_none}), + })), + } + + +class DacastPlaylistIE(DacastBaseIE): + _URL_TYPE = 'playlist' + _TESTS = [{ + 'url': 'https://iframe.dacast.com/playlist/943bb1ab3c03695ba85330d92d6d226e/b632eb053cac17a9c9a02bcfc827f2d8', + 'playlist_mincount': 28, + 'info_dict': { + 'id': 'b632eb053cac17a9c9a02bcfc827f2d8', + 'title': 'Archive Sermons', + }, + }] + _WEBPAGE_TESTS = [{ + 'url': 'https://gist.githubusercontent.com/bashonly/7efb606f49f3c6e07ea0327de5a661d1/raw/05a16eac830245ea301fb0a585023bec71e6093c/dacast_playlist_embed.html', + 'playlist_mincount': 28, + 'info_dict': { + 'id': 'b632eb053cac17a9c9a02bcfc827f2d8', + 'title': 'Archive Sermons', + }, + }] + + def _real_extract(self, url): + user_id, playlist_id = self._match_valid_url(url).group('user_id', 'id') + info = self._download_json( + self._API_INFO_URL, playlist_id, note='Downloading playlist JSON', query={ + 'contentId': f'{user_id}-playlist-{playlist_id}', + 'provider': 'universe', + })['contentInfo'] + + def entries(info): + for video in traverse_obj(info, ('features', 'playlist', 'contents', lambda _, v: v['id'])): + yield self.url_result( + DacastVODIE._get_url_from_id(video['id']), DacastVODIE, video['id'], video.get('title')) + + return self.playlist_result(entries(info), playlist_id, info.get('title'))