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1 | # coding: utf-8 |
2 | from __future__ import unicode_literals | |
3 | ||
4 | import re | |
5 | ||
6 | from .common import InfoExtractor | |
7 | from ..compat import compat_urllib_parse | |
8 | from ..utils import ( | |
9 | ExtractorError, | |
10 | int_or_none, | |
11 | ) | |
12 | ||
13 | ||
14 | class KalturaIE(InfoExtractor): | |
15 | _VALID_URL = r'''(?x) | |
16 | (?:kaltura:| | |
17 | https?://(:?www\.)?kaltura\.com/index\.php/kwidget/(?:[^/]+/)*?wid/_ | |
18 | )(?P<partner_id>\d+) | |
19 | (?::| | |
20 | /(?:[^/]+/)*?entry_id/ | |
21 | )(?P<id>[0-9a-z_]+)''' | |
22 | _API_BASE = 'http://cdnapi.kaltura.com/api_v3/index.php?' | |
23 | _TESTS = [ | |
24 | { | |
25 | 'url': 'kaltura:269692:1_1jc2y3e4', | |
26 | 'md5': '3adcbdb3dcc02d647539e53f284ba171', | |
27 | 'info_dict': { | |
28 | 'id': '1_1jc2y3e4', | |
29 | 'ext': 'mp4', | |
30 | 'title': 'Track 4', | |
31 | 'upload_date': '20131219', | |
32 | 'uploader_id': 'mlundberg@wolfgangsvault.com', | |
33 | 'description': 'The Allman Brothers Band, 12/16/1981', | |
34 | 'thumbnail': 're:^https?://.*/thumbnail/.*', | |
35 | 'timestamp': int, | |
36 | }, | |
37 | }, | |
38 | { | |
39 | 'url': 'http://www.kaltura.com/index.php/kwidget/cache_st/1300318621/wid/_269692/uiconf_id/3873291/entry_id/1_1jc2y3e4', | |
40 | 'only_matching': True, | |
41 | }, | |
42 | ] | |
43 | ||
44 | def _kaltura_api_call(self, video_id, actions, *args, **kwargs): | |
45 | params = actions[0] | |
46 | if len(actions) > 1: | |
47 | for i, a in enumerate(actions[1:], start=1): | |
48 | for k, v in a.items(): | |
49 | params['%d:%s' % (i, k)] = v | |
50 | ||
51 | query = compat_urllib_parse.urlencode(params) | |
52 | url = self._API_BASE + query | |
53 | data = self._download_json(url, video_id, *args, **kwargs) | |
54 | ||
55 | status = data if len(actions) == 1 else data[0] | |
56 | if status.get('objectType') == 'KalturaAPIException': | |
57 | raise ExtractorError( | |
58 | '%s said: %s' % (self.IE_NAME, status['message'])) | |
59 | ||
60 | return data | |
61 | ||
62 | def _get_kaltura_signature(self, video_id, partner_id): | |
63 | actions = [{ | |
64 | 'apiVersion': '3.1', | |
65 | 'expiry': 86400, | |
66 | 'format': 1, | |
67 | 'service': 'session', | |
68 | 'action': 'startWidgetSession', | |
69 | 'widgetId': '_%s' % partner_id, | |
70 | }] | |
71 | return self._kaltura_api_call( | |
72 | video_id, actions, note='Downloading Kaltura signature')['ks'] | |
73 | ||
74 | def _get_video_info(self, video_id, partner_id): | |
75 | signature = self._get_kaltura_signature(video_id, partner_id) | |
76 | actions = [ | |
77 | { | |
78 | 'action': 'null', | |
79 | 'apiVersion': '3.1.5', | |
80 | 'clientTag': 'kdp:v3.8.5', | |
81 | 'format': 1, # JSON, 2 = XML, 3 = PHP | |
82 | 'service': 'multirequest', | |
83 | 'ks': signature, | |
84 | }, | |
85 | { | |
86 | 'action': 'get', | |
87 | 'entryId': video_id, | |
88 | 'service': 'baseentry', | |
89 | 'version': '-1', | |
90 | }, | |
91 | { | |
92 | 'action': 'getContextData', | |
93 | 'contextDataParams:objectType': 'KalturaEntryContextDataParams', | |
94 | 'contextDataParams:referrer': 'http://www.kaltura.com/', | |
95 | 'contextDataParams:streamerType': 'http', | |
96 | 'entryId': video_id, | |
97 | 'service': 'baseentry', | |
98 | }, | |
99 | ] | |
100 | return self._kaltura_api_call( | |
101 | video_id, actions, note='Downloading video info JSON') | |
102 | ||
103 | def _real_extract(self, url): | |
104 | video_id = self._match_id(url) | |
105 | mobj = re.match(self._VALID_URL, url) | |
106 | partner_id, entry_id = mobj.group('partner_id'), mobj.group('id') | |
107 | ||
108 | info, source_data = self._get_video_info(entry_id, partner_id) | |
109 | ||
110 | formats = [{ | |
111 | 'format_id': '%(fileExt)s-%(bitrate)s' % f, | |
112 | 'ext': f['fileExt'], | |
113 | 'tbr': f['bitrate'], | |
114 | 'fps': f.get('frameRate'), | |
115 | 'filesize_approx': int_or_none(f.get('size'), invscale=1024), | |
116 | 'container': f.get('containerFormat'), | |
117 | 'vcodec': f.get('videoCodecId'), | |
118 | 'height': f.get('height'), | |
119 | 'width': f.get('width'), | |
120 | 'url': '%s/flavorId/%s' % (info['dataUrl'], f['id']), | |
121 | } for f in source_data['flavorAssets']] | |
122 | self._sort_formats(formats) | |
123 | ||
124 | return { | |
125 | 'id': video_id, | |
126 | 'title': info['name'], | |
127 | 'formats': formats, | |
128 | 'description': info.get('description'), | |
129 | 'thumbnail': info.get('thumbnailUrl'), | |
130 | 'duration': info.get('duration'), | |
131 | 'timestamp': info.get('createdAt'), | |
132 | 'uploader_id': info.get('userId'), | |
133 | 'view_count': info.get('plays'), | |
134 | } |