158 lines
6.2 KiB
Python
158 lines
6.2 KiB
Python
import hashlib
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import re
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import time
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from .common import InfoExtractor
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from ..networking.exceptions import HTTPError
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from ..utils import (
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ExtractorError,
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classproperty,
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float_or_none,
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traverse_obj,
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url_or_none,
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)
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class DacastBaseIE(InfoExtractor):
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_URL_TYPE = None
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@classproperty
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def _VALID_URL(cls):
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return fr'https?://iframe\.dacast\.com/{cls._URL_TYPE}/(?P<user_id>[\w-]+)/(?P<id>[\w-]+)'
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@classproperty
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def _EMBED_REGEX(cls):
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return [rf'<iframe[^>]+\bsrc=["\'](?P<url>{cls._VALID_URL})']
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_API_INFO_URL = 'https://playback.dacast.com/content/info'
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@classmethod
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def _get_url_from_id(cls, content_id):
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user_id, media_id = content_id.split(f'-{cls._URL_TYPE}-')
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return f'https://iframe.dacast.com/{cls._URL_TYPE}/{user_id}/{media_id}'
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@classmethod
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def _extract_embed_urls(cls, url, webpage):
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yield from super()._extract_embed_urls(url, webpage)
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for content_id in re.findall(
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rf'<script[^>]+\bsrc=["\']https://player\.dacast\.com/js/player\.js\?contentId=([\w-]+-{cls._URL_TYPE}-[\w-]+)["\']', webpage):
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yield cls._get_url_from_id(content_id)
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class DacastVODIE(DacastBaseIE):
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_URL_TYPE = 'vod'
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_TESTS = [{
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'url': 'https://iframe.dacast.com/vod/acae82153ef4d7a7344ae4eaa86af534/1c6143e3-5a06-371d-8695-19b96ea49090',
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'info_dict': {
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'id': '1c6143e3-5a06-371d-8695-19b96ea49090',
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'ext': 'mp4',
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'uploader_id': 'acae82153ef4d7a7344ae4eaa86af534',
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'title': '2_4||Adnexal mass characterisation: O-RADS US and MRI||N. Bharwani, London/UK',
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'thumbnail': 'https://universe-files.dacast.com/26137208-5858-65c1-5e9a-9d6b6bd2b6c2',
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},
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'params': {'skip_download': 'm3u8'},
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}]
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_WEBPAGE_TESTS = [{
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'url': 'https://www.dacast.com/support/knowledgebase/how-can-i-embed-a-video-on-my-website/',
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'info_dict': {
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'id': 'b6674869-f08a-23c5-1d7b-81f5309e1a90',
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'ext': 'mp4',
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'title': '4-HowToEmbedVideo.mp4',
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'uploader_id': '3b67c4a9-3886-4eb1-d0eb-39b23b14bef3',
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'thumbnail': 'https://universe-files.dacast.com/d26ab48f-a52a-8783-c42e-a90290ba06b6.png',
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},
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'params': {'skip_download': 'm3u8'},
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}, {
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'url': 'https://gist.githubusercontent.com/bashonly/4ad249ef2910346fbdf3809b220f11ee/raw/87349778d4af1a80b1fcc3beb9c88108de5858f5/dacast_embeds.html',
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'info_dict': {
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'id': 'e7df418e-a83b-7a7f-7b5e-1a667981e8fa',
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'ext': 'mp4',
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'title': 'Evening Service 2-5-23',
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'uploader_id': '943bb1ab3c03695ba85330d92d6d226e',
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'thumbnail': 'https://universe-files.dacast.com/337472b3-e92c-2ea4-7eb7-5700da477f67',
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},
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'params': {'skip_download': 'm3u8'},
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}]
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def _real_extract(self, url):
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user_id, video_id = self._match_valid_url(url).group('user_id', 'id')
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query = {'contentId': f'{user_id}-vod-{video_id}', 'provider': 'universe'}
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info = self._download_json(self._API_INFO_URL, video_id, query=query, fatal=False)
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access = self._download_json(
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'https://playback.dacast.com/content/access', video_id,
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note='Downloading access JSON', query=query, expected_status=403)
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error = access.get('error')
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if error in ('Broadcaster has been blocked', 'Content is offline'):
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raise ExtractorError(error, expected=True)
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elif error:
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raise ExtractorError(f'Dacast API says "{error}"')
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hls_url = access['hls']
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hls_aes = {}
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if 'DRM_EXT' in hls_url:
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self.report_drm(video_id)
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elif '/uspaes/' in hls_url:
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# From https://player.dacast.com/js/player.js
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ts = int(time.time())
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signature = hashlib.sha1(
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f'{10413792000 - ts}{ts}YfaKtquEEpDeusCKbvYszIEZnWmBcSvw').digest().hex()
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hls_aes['uri'] = f'https://keys.dacast.com/uspaes/{video_id}.key?s={signature}&ts={ts}'
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for retry in self.RetryManager():
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try:
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formats = self._extract_m3u8_formats(hls_url, video_id, 'mp4', m3u8_id='hls')
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except ExtractorError as e:
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# CDN will randomly respond with 403
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if isinstance(e.cause, HTTPError) and e.cause.status == 403:
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retry.error = e
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continue
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raise
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return {
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'id': video_id,
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'uploader_id': user_id,
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'formats': formats,
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'hls_aes': hls_aes or None,
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**traverse_obj(info, ('contentInfo', {
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'title': 'title',
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'duration': ('duration', {float_or_none}),
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'thumbnail': ('thumbnailUrl', {url_or_none}),
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})),
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}
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class DacastPlaylistIE(DacastBaseIE):
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_URL_TYPE = 'playlist'
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_TESTS = [{
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'url': 'https://iframe.dacast.com/playlist/943bb1ab3c03695ba85330d92d6d226e/b632eb053cac17a9c9a02bcfc827f2d8',
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'playlist_mincount': 28,
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'info_dict': {
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'id': 'b632eb053cac17a9c9a02bcfc827f2d8',
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'title': 'Archive Sermons',
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},
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}]
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_WEBPAGE_TESTS = [{
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'url': 'https://gist.githubusercontent.com/bashonly/7efb606f49f3c6e07ea0327de5a661d1/raw/05a16eac830245ea301fb0a585023bec71e6093c/dacast_playlist_embed.html',
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'playlist_mincount': 28,
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'info_dict': {
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'id': 'b632eb053cac17a9c9a02bcfc827f2d8',
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'title': 'Archive Sermons',
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},
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}]
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def _real_extract(self, url):
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user_id, playlist_id = self._match_valid_url(url).group('user_id', 'id')
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info = self._download_json(
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self._API_INFO_URL, playlist_id, note='Downloading playlist JSON', query={
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'contentId': f'{user_id}-playlist-{playlist_id}',
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'provider': 'universe',
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})['contentInfo']
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def entries(info):
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for video in traverse_obj(info, ('features', 'playlist', 'contents', lambda _, v: v['id'])):
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yield self.url_result(
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DacastVODIE._get_url_from_id(video['id']), DacastVODIE, video['id'], video.get('title'))
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return self.playlist_result(entries(info), playlist_id, info.get('title'))
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