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[youtubedl] / youtube_dl / extractor / kaltura.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5 import base64
6
7 from .common import InfoExtractor
8 from ..compat import (
9 compat_urllib_parse_urlencode,
10 compat_urlparse,
11 compat_parse_qs,
12 )
13 from ..utils import (
14 clean_html,
15 ExtractorError,
16 int_or_none,
17 unsmuggle_url,
18 )
19
20
21 class KalturaIE(InfoExtractor):
22 _VALID_URL = r'''(?x)
23 (?:
24 kaltura:(?P<partner_id>\d+):(?P<id>[0-9a-z_]+)|
25 https?://
26 (:?(?:www|cdnapi(?:sec)?)\.)?kaltura\.com/
27 (?:
28 (?:
29 # flash player
30 index\.php/kwidget|
31 # html5 player
32 html5/html5lib/[^/]+/mwEmbedFrame\.php
33 )
34 )(?:/(?P<path>[^?]+))?(?:\?(?P<query>.*))?
35 )
36 '''
37 _API_BASE = 'http://cdnapi.kaltura.com/api_v3/index.php?'
38 _TESTS = [
39 {
40 'url': 'kaltura:269692:1_1jc2y3e4',
41 'md5': '3adcbdb3dcc02d647539e53f284ba171',
42 'info_dict': {
43 'id': '1_1jc2y3e4',
44 'ext': 'mp4',
45 'title': 'Straight from the Heart',
46 'upload_date': '20131219',
47 'uploader_id': 'mlundberg@wolfgangsvault.com',
48 'description': 'The Allman Brothers Band, 12/16/1981',
49 'thumbnail': 're:^https?://.*/thumbnail/.*',
50 'timestamp': int,
51 },
52 },
53 {
54 'url': 'http://www.kaltura.com/index.php/kwidget/cache_st/1300318621/wid/_269692/uiconf_id/3873291/entry_id/1_1jc2y3e4',
55 'only_matching': True,
56 },
57 {
58 'url': 'https://cdnapisec.kaltura.com/index.php/kwidget/wid/_557781/uiconf_id/22845202/entry_id/1_plr1syf3',
59 'only_matching': True,
60 },
61 {
62 'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.30.2/mwEmbedFrame.php/p/1337/uiconf_id/20540612/entry_id/1_sf5ovm7u?wid=_243342',
63 'only_matching': True,
64 }
65 ]
66
67 def _kaltura_api_call(self, video_id, actions, *args, **kwargs):
68 params = actions[0]
69 if len(actions) > 1:
70 for i, a in enumerate(actions[1:], start=1):
71 for k, v in a.items():
72 params['%d:%s' % (i, k)] = v
73
74 query = compat_urllib_parse_urlencode(params)
75 url = self._API_BASE + query
76 data = self._download_json(url, video_id, *args, **kwargs)
77
78 status = data if len(actions) == 1 else data[0]
79 if status.get('objectType') == 'KalturaAPIException':
80 raise ExtractorError(
81 '%s said: %s' % (self.IE_NAME, status['message']))
82
83 return data
84
85 def _get_kaltura_signature(self, video_id, partner_id):
86 actions = [{
87 'apiVersion': '3.1',
88 'expiry': 86400,
89 'format': 1,
90 'service': 'session',
91 'action': 'startWidgetSession',
92 'widgetId': '_%s' % partner_id,
93 }]
94 return self._kaltura_api_call(
95 video_id, actions, note='Downloading Kaltura signature')['ks']
96
97 def _get_video_info(self, video_id, partner_id):
98 signature = self._get_kaltura_signature(video_id, partner_id)
99 actions = [
100 {
101 'action': 'null',
102 'apiVersion': '3.1.5',
103 'clientTag': 'kdp:v3.8.5',
104 'format': 1, # JSON, 2 = XML, 3 = PHP
105 'service': 'multirequest',
106 'ks': signature,
107 },
108 {
109 'action': 'get',
110 'entryId': video_id,
111 'service': 'baseentry',
112 'version': '-1',
113 },
114 {
115 'action': 'getbyentryid',
116 'entryId': video_id,
117 'service': 'flavorAsset',
118 },
119 ]
120 return self._kaltura_api_call(
121 video_id, actions, note='Downloading video info JSON')
122
123 def _real_extract(self, url):
124 url, smuggled_data = unsmuggle_url(url, {})
125
126 mobj = re.match(self._VALID_URL, url)
127 partner_id, entry_id = mobj.group('partner_id', 'id')
128 ks = None
129 if partner_id and entry_id:
130 info, flavor_assets = self._get_video_info(entry_id, partner_id)
131 else:
132 path, query = mobj.group('path', 'query')
133 if not path and not query:
134 raise ExtractorError('Invalid URL', expected=True)
135 params = {}
136 if query:
137 params = compat_parse_qs(query)
138 if path:
139 splitted_path = path.split('/')
140 params.update(dict((zip(splitted_path[::2], [[v] for v in splitted_path[1::2]]))))
141 if 'wid' in params:
142 partner_id = params['wid'][0][1:]
143 elif 'p' in params:
144 partner_id = params['p'][0]
145 else:
146 raise ExtractorError('Invalid URL', expected=True)
147 if 'entry_id' in params:
148 entry_id = params['entry_id'][0]
149 info, flavor_assets = self._get_video_info(entry_id, partner_id)
150 elif 'uiconf_id' in params and 'flashvars[referenceId]' in params:
151 reference_id = params['flashvars[referenceId]'][0]
152 webpage = self._download_webpage(url, reference_id)
153 entry_data = self._parse_json(self._search_regex(
154 r'window\.kalturaIframePackageData\s*=\s*({.*});',
155 webpage, 'kalturaIframePackageData'),
156 reference_id)['entryResult']
157 info, flavor_assets = entry_data['meta'], entry_data['contextData']['flavorAssets']
158 entry_id = info['id']
159 else:
160 raise ExtractorError('Invalid URL', expected=True)
161 ks = params.get('flashvars[ks]', [None])[0]
162
163 source_url = smuggled_data.get('source_url')
164 if source_url:
165 referrer = base64.b64encode(
166 '://'.join(compat_urlparse.urlparse(source_url)[:2])
167 .encode('utf-8')).decode('utf-8')
168 else:
169 referrer = None
170
171 def sign_url(unsigned_url):
172 if ks:
173 unsigned_url += '/ks/%s' % ks
174 if referrer:
175 unsigned_url += '?referrer=%s' % referrer
176 return unsigned_url
177
178 formats = []
179 for f in flavor_assets:
180 # Continue if asset is not ready
181 if f['status'] != 2:
182 continue
183 video_url = sign_url('%s/flavorId/%s' % (info['dataUrl'], f['id']))
184 formats.append({
185 'format_id': '%(fileExt)s-%(bitrate)s' % f,
186 'ext': f.get('fileExt'),
187 'tbr': int_or_none(f['bitrate']),
188 'fps': int_or_none(f.get('frameRate')),
189 'filesize_approx': int_or_none(f.get('size'), invscale=1024),
190 'container': f.get('containerFormat'),
191 'vcodec': f.get('videoCodecId'),
192 'height': int_or_none(f.get('height')),
193 'width': int_or_none(f.get('width')),
194 'url': video_url,
195 })
196 m3u8_url = sign_url(info['dataUrl'].replace('format/url', 'format/applehttp'))
197 formats.extend(self._extract_m3u8_formats(
198 m3u8_url, entry_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
199
200 self._check_formats(formats, entry_id)
201 self._sort_formats(formats)
202
203 return {
204 'id': entry_id,
205 'title': info['name'],
206 'formats': formats,
207 'description': clean_html(info.get('description')),
208 'thumbnail': info.get('thumbnailUrl'),
209 'duration': info.get('duration'),
210 'timestamp': info.get('createdAt'),
211 'uploader_id': info.get('userId'),
212 'view_count': info.get('plays'),
213 }