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1 | import hashlib | |
2 | import re | |
3 | import time | |
4 | ||
5 | from .common import InfoExtractor | |
6 | from ..networking.exceptions import HTTPError | |
7 | from ..utils import ( | |
8 | ExtractorError, | |
9 | classproperty, | |
10 | float_or_none, | |
11 | traverse_obj, | |
12 | url_or_none, | |
13 | ) | |
14 | ||
15 | ||
16 | class DacastBaseIE(InfoExtractor): | |
17 | _URL_TYPE = None | |
18 | ||
19 | @classproperty | |
20 | def _VALID_URL(cls): | |
21 | return fr'https?://iframe\.dacast\.com/{cls._URL_TYPE}/(?P<user_id>[\w-]+)/(?P<id>[\w-]+)' | |
22 | ||
23 | @classproperty | |
24 | def _EMBED_REGEX(cls): | |
25 | return [rf'<iframe[^>]+\bsrc=["\'](?P<url>{cls._VALID_URL})'] | |
26 | ||
27 | _API_INFO_URL = 'https://playback.dacast.com/content/info' | |
28 | ||
29 | @classmethod | |
30 | def _get_url_from_id(cls, content_id): | |
31 | user_id, media_id = content_id.split(f'-{cls._URL_TYPE}-') | |
32 | return f'https://iframe.dacast.com/{cls._URL_TYPE}/{user_id}/{media_id}' | |
33 | ||
34 | @classmethod | |
35 | def _extract_embed_urls(cls, url, webpage): | |
36 | yield from super()._extract_embed_urls(url, webpage) | |
37 | for content_id in re.findall( | |
38 | rf'<script[^>]+\bsrc=["\']https://player\.dacast\.com/js/player\.js\?contentId=([\w-]+-{cls._URL_TYPE}-[\w-]+)["\']', webpage): | |
39 | yield cls._get_url_from_id(content_id) | |
40 | ||
41 | ||
42 | class DacastVODIE(DacastBaseIE): | |
43 | _URL_TYPE = 'vod' | |
44 | _TESTS = [{ | |
45 | 'url': 'https://iframe.dacast.com/vod/acae82153ef4d7a7344ae4eaa86af534/1c6143e3-5a06-371d-8695-19b96ea49090', | |
46 | 'info_dict': { | |
47 | 'id': '1c6143e3-5a06-371d-8695-19b96ea49090', | |
48 | 'ext': 'mp4', | |
49 | 'uploader_id': 'acae82153ef4d7a7344ae4eaa86af534', | |
50 | 'title': '2_4||Adnexal mass characterisation: O-RADS US and MRI||N. Bharwani, London/UK', | |
51 | 'thumbnail': 'https://universe-files.dacast.com/26137208-5858-65c1-5e9a-9d6b6bd2b6c2', | |
52 | }, | |
53 | 'params': {'skip_download': 'm3u8'}, | |
54 | }] | |
55 | _WEBPAGE_TESTS = [{ | |
56 | 'url': 'https://www.dacast.com/support/knowledgebase/how-can-i-embed-a-video-on-my-website/', | |
57 | 'info_dict': { | |
58 | 'id': 'b6674869-f08a-23c5-1d7b-81f5309e1a90', | |
59 | 'ext': 'mp4', | |
60 | 'title': '4-HowToEmbedVideo.mp4', | |
61 | 'uploader_id': '3b67c4a9-3886-4eb1-d0eb-39b23b14bef3', | |
62 | 'thumbnail': 'https://universe-files.dacast.com/d26ab48f-a52a-8783-c42e-a90290ba06b6.png', | |
63 | }, | |
64 | 'params': {'skip_download': 'm3u8'}, | |
65 | }, { | |
66 | 'url': 'https://gist.githubusercontent.com/bashonly/4ad249ef2910346fbdf3809b220f11ee/raw/87349778d4af1a80b1fcc3beb9c88108de5858f5/dacast_embeds.html', | |
67 | 'info_dict': { | |
68 | 'id': 'e7df418e-a83b-7a7f-7b5e-1a667981e8fa', | |
69 | 'ext': 'mp4', | |
70 | 'title': 'Evening Service 2-5-23', | |
71 | 'uploader_id': '943bb1ab3c03695ba85330d92d6d226e', | |
72 | 'thumbnail': 'https://universe-files.dacast.com/337472b3-e92c-2ea4-7eb7-5700da477f67', | |
73 | }, | |
74 | 'params': {'skip_download': 'm3u8'}, | |
75 | }] | |
76 | ||
77 | def _real_extract(self, url): | |
78 | user_id, video_id = self._match_valid_url(url).group('user_id', 'id') | |
79 | query = {'contentId': f'{user_id}-vod-{video_id}', 'provider': 'universe'} | |
80 | info = self._download_json(self._API_INFO_URL, video_id, query=query, fatal=False) | |
81 | access = self._download_json( | |
82 | 'https://playback.dacast.com/content/access', video_id, | |
83 | note='Downloading access JSON', query=query, expected_status=403) | |
84 | ||
85 | error = access.get('error') | |
86 | if error in ('Broadcaster has been blocked', 'Content is offline'): | |
87 | raise ExtractorError(error, expected=True) | |
88 | elif error: | |
89 | raise ExtractorError(f'Dacast API says "{error}"') | |
90 | ||
91 | hls_url = access['hls'] | |
92 | hls_aes = {} | |
93 | ||
94 | if 'DRM_EXT' in hls_url: | |
95 | self.report_drm(video_id) | |
96 | elif '/uspaes/' in hls_url: | |
97 | # From https://player.dacast.com/js/player.js | |
98 | ts = int(time.time()) | |
99 | signature = hashlib.sha1( | |
100 | f'{10413792000 - ts}{ts}YfaKtquEEpDeusCKbvYszIEZnWmBcSvw').digest().hex() | |
101 | hls_aes['uri'] = f'https://keys.dacast.com/uspaes/{video_id}.key?s={signature}&ts={ts}' | |
102 | ||
103 | for retry in self.RetryManager(): | |
104 | try: | |
105 | formats = self._extract_m3u8_formats(hls_url, video_id, 'mp4', m3u8_id='hls') | |
106 | except ExtractorError as e: | |
107 | # CDN will randomly respond with 403 | |
108 | if isinstance(e.cause, HTTPError) and e.cause.status == 403: | |
109 | retry.error = e | |
110 | continue | |
111 | raise | |
112 | ||
113 | return { | |
114 | 'id': video_id, | |
115 | 'uploader_id': user_id, | |
116 | 'formats': formats, | |
117 | 'hls_aes': hls_aes or None, | |
118 | **traverse_obj(info, ('contentInfo', { | |
119 | 'title': 'title', | |
120 | 'duration': ('duration', {float_or_none}), | |
121 | 'thumbnail': ('thumbnailUrl', {url_or_none}), | |
122 | })), | |
123 | } | |
124 | ||
125 | ||
126 | class DacastPlaylistIE(DacastBaseIE): | |
127 | _URL_TYPE = 'playlist' | |
128 | _TESTS = [{ | |
129 | 'url': 'https://iframe.dacast.com/playlist/943bb1ab3c03695ba85330d92d6d226e/b632eb053cac17a9c9a02bcfc827f2d8', | |
130 | 'playlist_mincount': 28, | |
131 | 'info_dict': { | |
132 | 'id': 'b632eb053cac17a9c9a02bcfc827f2d8', | |
133 | 'title': 'Archive Sermons', | |
134 | }, | |
135 | }] | |
136 | _WEBPAGE_TESTS = [{ | |
137 | 'url': 'https://gist.githubusercontent.com/bashonly/7efb606f49f3c6e07ea0327de5a661d1/raw/05a16eac830245ea301fb0a585023bec71e6093c/dacast_playlist_embed.html', | |
138 | 'playlist_mincount': 28, | |
139 | 'info_dict': { | |
140 | 'id': 'b632eb053cac17a9c9a02bcfc827f2d8', | |
141 | 'title': 'Archive Sermons', | |
142 | }, | |
143 | }] | |
144 | ||
145 | def _real_extract(self, url): | |
146 | user_id, playlist_id = self._match_valid_url(url).group('user_id', 'id') | |
147 | info = self._download_json( | |
148 | self._API_INFO_URL, playlist_id, note='Downloading playlist JSON', query={ | |
149 | 'contentId': f'{user_id}-playlist-{playlist_id}', | |
150 | 'provider': 'universe', | |
151 | })['contentInfo'] | |
152 | ||
153 | def entries(info): | |
154 | for video in traverse_obj(info, ('features', 'playlist', 'contents', lambda _, v: v['id'])): | |
155 | yield self.url_result( | |
156 | DacastVODIE._get_url_from_id(video['id']), DacastVODIE, video['id'], video.get('title')) | |
157 | ||
158 | return self.playlist_result(entries(info), playlist_id, info.get('title')) |