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-rw-r--r--youtube_dl/extractor/kaltura.py138
1 files changed, 138 insertions, 0 deletions
diff --git a/youtube_dl/extractor/kaltura.py b/youtube_dl/extractor/kaltura.py
new file mode 100644
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+++ b/youtube_dl/extractor/kaltura.py
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+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..compat import compat_urllib_parse
+from ..utils import (
+ ExtractorError,
+ int_or_none,
+)
+
+
+class KalturaIE(InfoExtractor):
+ _VALID_URL = r'''(?x)
+ (?:kaltura:|
+ https?://(:?(?:www|cdnapisec)\.)?kaltura\.com/index\.php/kwidget/(?:[^/]+/)*?wid/_
+ )(?P<partner_id>\d+)
+ (?::|
+ /(?:[^/]+/)*?entry_id/
+ )(?P<id>[0-9a-z_]+)'''
+ _API_BASE = 'http://cdnapi.kaltura.com/api_v3/index.php?'
+ _TESTS = [
+ {
+ 'url': 'kaltura:269692:1_1jc2y3e4',
+ 'md5': '3adcbdb3dcc02d647539e53f284ba171',
+ 'info_dict': {
+ 'id': '1_1jc2y3e4',
+ 'ext': 'mp4',
+ 'title': 'Track 4',
+ 'upload_date': '20131219',
+ 'uploader_id': 'mlundberg@wolfgangsvault.com',
+ 'description': 'The Allman Brothers Band, 12/16/1981',
+ 'thumbnail': 're:^https?://.*/thumbnail/.*',
+ 'timestamp': int,
+ },
+ },
+ {
+ 'url': 'http://www.kaltura.com/index.php/kwidget/cache_st/1300318621/wid/_269692/uiconf_id/3873291/entry_id/1_1jc2y3e4',
+ 'only_matching': True,
+ },
+ {
+ 'url': 'https://cdnapisec.kaltura.com/index.php/kwidget/wid/_557781/uiconf_id/22845202/entry_id/1_plr1syf3',
+ 'only_matching': True,
+ },
+ ]
+
+ def _kaltura_api_call(self, video_id, actions, *args, **kwargs):
+ params = actions[0]
+ if len(actions) > 1:
+ for i, a in enumerate(actions[1:], start=1):
+ for k, v in a.items():
+ params['%d:%s' % (i, k)] = v
+
+ query = compat_urllib_parse.urlencode(params)
+ url = self._API_BASE + query
+ data = self._download_json(url, video_id, *args, **kwargs)
+
+ status = data if len(actions) == 1 else data[0]
+ if status.get('objectType') == 'KalturaAPIException':
+ raise ExtractorError(
+ '%s said: %s' % (self.IE_NAME, status['message']))
+
+ return data
+
+ def _get_kaltura_signature(self, video_id, partner_id):
+ actions = [{
+ 'apiVersion': '3.1',
+ 'expiry': 86400,
+ 'format': 1,
+ 'service': 'session',
+ 'action': 'startWidgetSession',
+ 'widgetId': '_%s' % partner_id,
+ }]
+ return self._kaltura_api_call(
+ video_id, actions, note='Downloading Kaltura signature')['ks']
+
+ def _get_video_info(self, video_id, partner_id):
+ signature = self._get_kaltura_signature(video_id, partner_id)
+ actions = [
+ {
+ 'action': 'null',
+ 'apiVersion': '3.1.5',
+ 'clientTag': 'kdp:v3.8.5',
+ 'format': 1, # JSON, 2 = XML, 3 = PHP
+ 'service': 'multirequest',
+ 'ks': signature,
+ },
+ {
+ 'action': 'get',
+ 'entryId': video_id,
+ 'service': 'baseentry',
+ 'version': '-1',
+ },
+ {
+ 'action': 'getContextData',
+ 'contextDataParams:objectType': 'KalturaEntryContextDataParams',
+ 'contextDataParams:referrer': 'http://www.kaltura.com/',
+ 'contextDataParams:streamerType': 'http',
+ 'entryId': video_id,
+ 'service': 'baseentry',
+ },
+ ]
+ return self._kaltura_api_call(
+ video_id, actions, note='Downloading video info JSON')
+
+ def _real_extract(self, url):
+ video_id = self._match_id(url)
+ mobj = re.match(self._VALID_URL, url)
+ partner_id, entry_id = mobj.group('partner_id'), mobj.group('id')
+
+ info, source_data = self._get_video_info(entry_id, partner_id)
+
+ formats = [{
+ 'format_id': '%(fileExt)s-%(bitrate)s' % f,
+ 'ext': f['fileExt'],
+ 'tbr': f['bitrate'],
+ 'fps': f.get('frameRate'),
+ 'filesize_approx': int_or_none(f.get('size'), invscale=1024),
+ 'container': f.get('containerFormat'),
+ 'vcodec': f.get('videoCodecId'),
+ 'height': f.get('height'),
+ 'width': f.get('width'),
+ 'url': '%s/flavorId/%s' % (info['dataUrl'], f['id']),
+ } for f in source_data['flavorAssets']]
+ self._sort_formats(formats)
+
+ return {
+ 'id': video_id,
+ 'title': info['name'],
+ 'formats': formats,
+ 'description': info.get('description'),
+ 'thumbnail': info.get('thumbnailUrl'),
+ 'duration': info.get('duration'),
+ 'timestamp': info.get('createdAt'),
+ 'uploader_id': info.get('userId'),
+ 'view_count': info.get('plays'),
+ }