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			257 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			257 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # coding: utf-8
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| from __future__ import unicode_literals
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| 
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| import re
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| import base64
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| 
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| from .common import InfoExtractor
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| from ..compat import (
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|     compat_urlparse,
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|     compat_parse_qs,
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| )
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| from ..utils import (
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|     clean_html,
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|     ExtractorError,
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|     int_or_none,
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|     unsmuggle_url,
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|     smuggle_url,
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| )
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| 
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| 
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| class KalturaIE(InfoExtractor):
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|     _VALID_URL = r'''(?x)
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|                 (?:
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|                     kaltura:(?P<partner_id>\d+):(?P<id>[0-9a-z_]+)|
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|                     https?://
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|                         (:?(?:www|cdnapi(?:sec)?)\.)?kaltura\.com/
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|                         (?:
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|                             (?:
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|                                 # flash player
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|                                 index\.php/kwidget|
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|                                 # html5 player
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|                                 html5/html5lib/[^/]+/mwEmbedFrame\.php
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|                             )
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|                         )(?:/(?P<path>[^?]+))?(?:\?(?P<query>.*))?
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|                 )
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|                 '''
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|     _SERVICE_URL = 'http://cdnapi.kaltura.com'
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|     _SERVICE_BASE = '/api_v3/index.php'
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|     _TESTS = [
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|         {
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|             'url': 'kaltura:269692:1_1jc2y3e4',
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|             'md5': '3adcbdb3dcc02d647539e53f284ba171',
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|             'info_dict': {
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|                 'id': '1_1jc2y3e4',
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|                 'ext': 'mp4',
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|                 'title': 'Straight from the Heart',
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|                 'upload_date': '20131219',
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|                 'uploader_id': 'mlundberg@wolfgangsvault.com',
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|                 'description': 'The Allman Brothers Band, 12/16/1981',
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|                 'thumbnail': 're:^https?://.*/thumbnail/.*',
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|                 'timestamp': int,
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|             },
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|         },
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|         {
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|             'url': 'http://www.kaltura.com/index.php/kwidget/cache_st/1300318621/wid/_269692/uiconf_id/3873291/entry_id/1_1jc2y3e4',
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|             'only_matching': True,
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|         },
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|         {
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|             'url': 'https://cdnapisec.kaltura.com/index.php/kwidget/wid/_557781/uiconf_id/22845202/entry_id/1_plr1syf3',
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|             'only_matching': True,
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|         },
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|         {
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|             'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.30.2/mwEmbedFrame.php/p/1337/uiconf_id/20540612/entry_id/1_sf5ovm7u?wid=_243342',
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|             'only_matching': True,
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|         }
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|     ]
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| 
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|     @staticmethod
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|     def _extract_url(webpage):
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|         mobj = (
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|             re.search(
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|                 r"""(?xs)
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|                     kWidget\.(?:thumb)?[Ee]mbed\(
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|                     \{.*?
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|                         (?P<q1>['\"])wid(?P=q1)\s*:\s*
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|                         (?P<q2>['\"])_?(?P<partner_id>[^'\"]+)(?P=q2),.*?
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|                         (?P<q3>['\"])entry_?[Ii]d(?P=q3)\s*:\s*
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|                         (?P<q4>['\"])(?P<id>[^'\"]+)(?P=q4),
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|                 """, webpage) or
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|             re.search(
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|                 r'''(?xs)
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|                     (?P<q1>["\'])
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|                         (?:https?:)?//cdnapi(?:sec)?\.kaltura\.com/.*?(?:p|partner_id)/(?P<partner_id>\d+).*?
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|                     (?P=q1).*?
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|                     (?:
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|                         entry_?[Ii]d|
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|                         (?P<q2>["\'])entry_?[Ii]d(?P=q2)
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|                     )\s*:\s*
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|                     (?P<q3>["\'])(?P<id>.+?)(?P=q3)
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|                 ''', webpage))
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|         if mobj:
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|             embed_info = mobj.groupdict()
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|             url = 'kaltura:%(partner_id)s:%(id)s' % embed_info
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|             escaped_pid = re.escape(embed_info['partner_id'])
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|             service_url = re.search(
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|                 r'<script[^>]+src=["\']((?:https?:)?//.+?)/p/%s/sp/%s00/embedIframeJs' % (escaped_pid, escaped_pid),
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|                 webpage)
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|             if service_url:
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|                 url = smuggle_url(url, {'service_url': service_url.group(1)})
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|             return url
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| 
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|     def _kaltura_api_call(self, video_id, actions, service_url=None, *args, **kwargs):
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|         params = actions[0]
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|         if len(actions) > 1:
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|             for i, a in enumerate(actions[1:], start=1):
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|                 for k, v in a.items():
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|                     params['%d:%s' % (i, k)] = v
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| 
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|         data = self._download_json(
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|             (service_url or self._SERVICE_URL) + self._SERVICE_BASE,
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|             video_id, query=params, *args, **kwargs)
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| 
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|         status = data if len(actions) == 1 else data[0]
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|         if status.get('objectType') == 'KalturaAPIException':
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|             raise ExtractorError(
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|                 '%s said: %s' % (self.IE_NAME, status['message']))
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| 
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|         return data
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| 
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|     def _get_kaltura_signature(self, video_id, partner_id, service_url=None):
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|         actions = [{
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|             'apiVersion': '3.1',
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|             'expiry': 86400,
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|             'format': 1,
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|             'service': 'session',
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|             'action': 'startWidgetSession',
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|             'widgetId': '_%s' % partner_id,
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|         }]
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|         return self._kaltura_api_call(
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|             video_id, actions, service_url, note='Downloading Kaltura signature')['ks']
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| 
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|     def _get_video_info(self, video_id, partner_id, service_url=None):
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|         signature = self._get_kaltura_signature(video_id, partner_id, service_url)
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|         actions = [
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|             {
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|                 'action': 'null',
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|                 'apiVersion': '3.1.5',
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|                 'clientTag': 'kdp:v3.8.5',
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|                 'format': 1,  # JSON, 2 = XML, 3 = PHP
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|                 'service': 'multirequest',
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|                 'ks': signature,
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|             },
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|             {
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|                 'action': 'get',
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|                 'entryId': video_id,
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|                 'service': 'baseentry',
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|                 'version': '-1',
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|             },
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|             {
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|                 'action': 'getbyentryid',
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|                 'entryId': video_id,
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|                 'service': 'flavorAsset',
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|             },
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|         ]
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|         return self._kaltura_api_call(
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|             video_id, actions, service_url, note='Downloading video info JSON')
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| 
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|     def _real_extract(self, url):
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|         url, smuggled_data = unsmuggle_url(url, {})
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| 
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|         mobj = re.match(self._VALID_URL, url)
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|         partner_id, entry_id = mobj.group('partner_id', 'id')
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|         ks = None
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|         if partner_id and entry_id:
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|             info, flavor_assets = self._get_video_info(entry_id, partner_id, smuggled_data.get('service_url'))
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|         else:
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|             path, query = mobj.group('path', 'query')
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|             if not path and not query:
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|                 raise ExtractorError('Invalid URL', expected=True)
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|             params = {}
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|             if query:
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|                 params = compat_parse_qs(query)
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|             if path:
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|                 splitted_path = path.split('/')
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|                 params.update(dict((zip(splitted_path[::2], [[v] for v in splitted_path[1::2]]))))
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|             if 'wid' in params:
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|                 partner_id = params['wid'][0][1:]
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|             elif 'p' in params:
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|                 partner_id = params['p'][0]
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|             else:
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|                 raise ExtractorError('Invalid URL', expected=True)
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|             if 'entry_id' in params:
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|                 entry_id = params['entry_id'][0]
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|                 info, flavor_assets = self._get_video_info(entry_id, partner_id)
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|             elif 'uiconf_id' in params and 'flashvars[referenceId]' in params:
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|                 reference_id = params['flashvars[referenceId]'][0]
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|                 webpage = self._download_webpage(url, reference_id)
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|                 entry_data = self._parse_json(self._search_regex(
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|                     r'window\.kalturaIframePackageData\s*=\s*({.*});',
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|                     webpage, 'kalturaIframePackageData'),
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|                     reference_id)['entryResult']
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|                 info, flavor_assets = entry_data['meta'], entry_data['contextData']['flavorAssets']
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|                 entry_id = info['id']
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|             else:
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|                 raise ExtractorError('Invalid URL', expected=True)
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|             ks = params.get('flashvars[ks]', [None])[0]
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| 
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|         source_url = smuggled_data.get('source_url')
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|         if source_url:
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|             referrer = base64.b64encode(
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|                 '://'.join(compat_urlparse.urlparse(source_url)[:2])
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|                 .encode('utf-8')).decode('utf-8')
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|         else:
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|             referrer = None
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| 
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|         def sign_url(unsigned_url):
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|             if ks:
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|                 unsigned_url += '/ks/%s' % ks
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|             if referrer:
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|                 unsigned_url += '?referrer=%s' % referrer
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|             return unsigned_url
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| 
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|         data_url = info['dataUrl']
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|         if '/flvclipper/' in data_url:
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|             data_url = re.sub(r'/flvclipper/.*', '/serveFlavor', data_url)
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| 
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|         formats = []
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|         for f in flavor_assets:
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|             # Continue if asset is not ready
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|             if f['status'] != 2:
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|                 continue
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|             video_url = sign_url(
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|                 '%s/flavorId/%s' % (data_url, f['id']))
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|             formats.append({
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|                 'format_id': '%(fileExt)s-%(bitrate)s' % f,
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|                 'ext': f.get('fileExt'),
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|                 'tbr': int_or_none(f['bitrate']),
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|                 'fps': int_or_none(f.get('frameRate')),
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|                 'filesize_approx': int_or_none(f.get('size'), invscale=1024),
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|                 'container': f.get('containerFormat'),
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|                 'vcodec': f.get('videoCodecId'),
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|                 'height': int_or_none(f.get('height')),
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|                 'width': int_or_none(f.get('width')),
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|                 'url': video_url,
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|             })
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|         if '/playManifest/' in data_url:
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|             m3u8_url = sign_url(data_url.replace(
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|                 'format/url', 'format/applehttp'))
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|             formats.extend(self._extract_m3u8_formats(
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|                 m3u8_url, entry_id, 'mp4', 'm3u8_native',
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|                 m3u8_id='hls', fatal=False))
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| 
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|         self._check_formats(formats, entry_id)
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|         self._sort_formats(formats)
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| 
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|         return {
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|             'id': entry_id,
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|             'title': info['name'],
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|             'formats': formats,
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|             'description': clean_html(info.get('description')),
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|             'thumbnail': info.get('thumbnailUrl'),
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|             'duration': info.get('duration'),
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|             'timestamp': info.get('createdAt'),
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|             'uploader_id': info.get('userId'),
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|             'view_count': info.get('plays'),
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|         }
 | 
