kaltura.py (15427B)
- # coding: utf-8
- from __future__ import unicode_literals
- import re
- import base64
- from .common import InfoExtractor
- from ..compat import (
- compat_urlparse,
- compat_parse_qs,
- )
- from ..utils import (
- clean_html,
- ExtractorError,
- int_or_none,
- unsmuggle_url,
- smuggle_url,
- )
- class KalturaIE(InfoExtractor):
- _VALID_URL = r'''(?x)
- (?:
- kaltura:(?P<partner_id>\d+):(?P<id>[0-9a-z_]+)|
- https?://
- (:?(?:www|cdnapi(?:sec)?)\.)?kaltura\.com(?::\d+)?/
- (?:
- (?:
- # flash player
- index\.php/(?:kwidget|extwidget/preview)|
- # html5 player
- html5/html5lib/[^/]+/mwEmbedFrame\.php
- )
- )(?:/(?P<path>[^?]+))?(?:\?(?P<query>.*))?
- )
- '''
- _SERVICE_URL = 'http://cdnapi.kaltura.com'
- _SERVICE_BASE = '/api_v3/index.php'
- # See https://github.com/kaltura/server/blob/master/plugins/content/caption/base/lib/model/enums/CaptionType.php
- _CAPTION_TYPES = {
- 1: 'srt',
- 2: 'ttml',
- 3: 'vtt',
- }
- _TESTS = [
- {
- 'url': 'kaltura:269692:1_1jc2y3e4',
- 'md5': '3adcbdb3dcc02d647539e53f284ba171',
- 'info_dict': {
- 'id': '1_1jc2y3e4',
- 'ext': 'mp4',
- 'title': 'Straight from the Heart',
- '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,
- },
- {
- 'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.30.2/mwEmbedFrame.php/p/1337/uiconf_id/20540612/entry_id/1_sf5ovm7u?wid=_243342',
- 'only_matching': True,
- },
- {
- # video with subtitles
- 'url': 'kaltura:111032:1_cw786r8q',
- 'only_matching': True,
- },
- {
- # video with ttml subtitles (no fileExt)
- 'url': 'kaltura:1926081:0_l5ye1133',
- 'info_dict': {
- 'id': '0_l5ye1133',
- 'ext': 'mp4',
- 'title': 'What Can You Do With Python?',
- 'upload_date': '20160221',
- 'uploader_id': 'stork',
- 'thumbnail': 're:^https?://.*/thumbnail/.*',
- 'timestamp': int,
- 'subtitles': {
- 'en': [{
- 'ext': 'ttml',
- }],
- },
- },
- 'skip': 'Gone. Maybe https://www.safaribooksonline.com/library/tutorials/introduction-to-python-anon/3469/',
- 'params': {
- 'skip_download': True,
- },
- },
- {
- 'url': 'https://www.kaltura.com/index.php/extwidget/preview/partner_id/1770401/uiconf_id/37307382/entry_id/0_58u8kme7/embed/iframe?&flashvars[streamerType]=auto',
- 'only_matching': True,
- },
- {
- 'url': 'https://www.kaltura.com:443/index.php/extwidget/preview/partner_id/1770401/uiconf_id/37307382/entry_id/0_58u8kme7/embed/iframe?&flashvars[streamerType]=auto',
- 'only_matching': True,
- },
- {
- # unavailable source format
- 'url': 'kaltura:513551:1_66x4rg7o',
- 'only_matching': True,
- }
- ]
- @staticmethod
- def _extract_url(webpage):
- urls = KalturaIE._extract_urls(webpage)
- return urls[0] if urls else None
- @staticmethod
- def _extract_urls(webpage):
- # Embed codes: https://knowledge.kaltura.com/embedding-kaltura-media-players-your-site
- finditer = (
- list(re.finditer(
- r"""(?xs)
- kWidget\.(?:thumb)?[Ee]mbed\(
- \{.*?
- (?P<q1>['"])wid(?P=q1)\s*:\s*
- (?P<q2>['"])_?(?P<partner_id>(?:(?!(?P=q2)).)+)(?P=q2),.*?
- (?P<q3>['"])entry_?[Ii]d(?P=q3)\s*:\s*
- (?P<q4>['"])(?P<id>(?:(?!(?P=q4)).)+)(?P=q4)(?:,|\s*\})
- """, webpage))
- or list(re.finditer(
- r'''(?xs)
- (?P<q1>["'])
- (?:https?:)?//cdnapi(?:sec)?\.kaltura\.com(?::\d+)?/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)(?:(?!(?P=q1)).)*
- (?P=q1).*?
- (?:
- (?:
- entry_?[Ii]d|
- (?P<q2>["'])entry_?[Ii]d(?P=q2)
- )\s*:\s*|
- \[\s*(?P<q2_1>["'])entry_?[Ii]d(?P=q2_1)\s*\]\s*=\s*
- )
- (?P<q3>["'])(?P<id>(?:(?!(?P=q3)).)+)(?P=q3)
- ''', webpage))
- or list(re.finditer(
- r'''(?xs)
- <(?:iframe[^>]+src|meta[^>]+\bcontent)=(?P<q1>["'])\s*
- (?:https?:)?//(?:(?:www|cdnapi(?:sec)?)\.)?kaltura\.com/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)
- (?:(?!(?P=q1)).)*
- [?&;]entry_id=(?P<id>(?:(?!(?P=q1))[^&])+)
- (?:(?!(?P=q1)).)*
- (?P=q1)
- ''', webpage))
- )
- urls = []
- for mobj in finditer:
- embed_info = mobj.groupdict()
- for k, v in embed_info.items():
- if v:
- embed_info[k] = v.strip()
- url = 'kaltura:%(partner_id)s:%(id)s' % embed_info
- escaped_pid = re.escape(embed_info['partner_id'])
- service_mobj = re.search(
- r'<script[^>]+src=(["\'])(?P<id>(?:https?:)?//(?:(?!\1).)+)/p/%s/sp/%s00/embedIframeJs' % (escaped_pid, escaped_pid),
- webpage)
- if service_mobj:
- url = smuggle_url(url, {'service_url': service_mobj.group('id')})
- urls.append(url)
- return urls
- def _kaltura_api_call(self, video_id, actions, service_url=None, *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
- data = self._download_json(
- (service_url or self._SERVICE_URL) + self._SERVICE_BASE,
- video_id, query=params, *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_video_info(self, video_id, partner_id, service_url=None):
- actions = [
- {
- 'action': 'null',
- 'apiVersion': '3.1.5',
- 'clientTag': 'kdp:v3.8.5',
- 'format': 1, # JSON, 2 = XML, 3 = PHP
- 'service': 'multirequest',
- },
- {
- 'expiry': 86400,
- 'service': 'session',
- 'action': 'startWidgetSession',
- 'widgetId': '_%s' % partner_id,
- },
- {
- 'action': 'get',
- 'entryId': video_id,
- 'service': 'baseentry',
- 'ks': '{1:result:ks}',
- 'responseProfile:fields': 'createdAt,dataUrl,duration,name,plays,thumbnailUrl,userId',
- 'responseProfile:type': 1,
- },
- {
- 'action': 'getbyentryid',
- 'entryId': video_id,
- 'service': 'flavorAsset',
- 'ks': '{1:result:ks}',
- },
- {
- 'action': 'list',
- 'filter:entryIdEqual': video_id,
- 'service': 'caption_captionasset',
- 'ks': '{1:result:ks}',
- },
- ]
- return self._kaltura_api_call(
- video_id, actions, service_url, note='Downloading video info JSON')
- def _real_extract(self, url):
- url, smuggled_data = unsmuggle_url(url, {})
- mobj = re.match(self._VALID_URL, url)
- partner_id, entry_id = mobj.group('partner_id', 'id')
- ks = None
- captions = None
- if partner_id and entry_id:
- _, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id, smuggled_data.get('service_url'))
- else:
- path, query = mobj.group('path', 'query')
- if not path and not query:
- raise ExtractorError('Invalid URL', expected=True)
- params = {}
- if query:
- params = compat_parse_qs(query)
- if path:
- splitted_path = path.split('/')
- params.update(dict((zip(splitted_path[::2], [[v] for v in splitted_path[1::2]]))))
- if 'wid' in params:
- partner_id = params['wid'][0][1:]
- elif 'p' in params:
- partner_id = params['p'][0]
- elif 'partner_id' in params:
- partner_id = params['partner_id'][0]
- else:
- raise ExtractorError('Invalid URL', expected=True)
- if 'entry_id' in params:
- entry_id = params['entry_id'][0]
- _, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id)
- elif 'uiconf_id' in params and 'flashvars[referenceId]' in params:
- reference_id = params['flashvars[referenceId]'][0]
- webpage = self._download_webpage(url, reference_id)
- entry_data = self._parse_json(self._search_regex(
- r'window\.kalturaIframePackageData\s*=\s*({.*});',
- webpage, 'kalturaIframePackageData'),
- reference_id)['entryResult']
- info, flavor_assets = entry_data['meta'], entry_data['contextData']['flavorAssets']
- entry_id = info['id']
- # Unfortunately, data returned in kalturaIframePackageData lacks
- # captions so we will try requesting the complete data using
- # regular approach since we now know the entry_id
- try:
- _, info, flavor_assets, captions = self._get_video_info(
- entry_id, partner_id)
- except ExtractorError:
- # Regular scenario failed but we already have everything
- # extracted apart from captions and can process at least
- # with this
- pass
- else:
- raise ExtractorError('Invalid URL', expected=True)
- ks = params.get('flashvars[ks]', [None])[0]
- source_url = smuggled_data.get('source_url')
- if source_url:
- referrer = base64.b64encode(
- '://'.join(compat_urlparse.urlparse(source_url)[:2])
- .encode('utf-8')).decode('utf-8')
- else:
- referrer = None
- def sign_url(unsigned_url):
- if ks:
- unsigned_url += '/ks/%s' % ks
- if referrer:
- unsigned_url += '?referrer=%s' % referrer
- return unsigned_url
- data_url = info['dataUrl']
- if '/flvclipper/' in data_url:
- data_url = re.sub(r'/flvclipper/.*', '/serveFlavor', data_url)
- formats = []
- for f in flavor_assets:
- # Continue if asset is not ready
- if f.get('status') != 2:
- continue
- # Original format that's not available (e.g. kaltura:1926081:0_c03e1b5g)
- # skip for now.
- if f.get('fileExt') == 'chun':
- continue
- # DRM-protected video, cannot be decrypted
- if f.get('fileExt') == 'wvm':
- continue
- if not f.get('fileExt'):
- # QT indicates QuickTime; some videos have broken fileExt
- if f.get('containerFormat') == 'qt':
- f['fileExt'] = 'mov'
- else:
- f['fileExt'] = 'mp4'
- video_url = sign_url(
- '%s/flavorId/%s' % (data_url, f['id']))
- format_id = '%(fileExt)s-%(bitrate)s' % f
- # Source format may not be available (e.g. kaltura:513551:1_66x4rg7o)
- if f.get('isOriginal') is True and not self._is_valid_url(
- video_url, entry_id, format_id):
- continue
- # audio-only has no videoCodecId (e.g. kaltura:1926081:0_c03e1b5g
- # -f mp4-56)
- vcodec = 'none' if 'videoCodecId' not in f and f.get(
- 'frameRate') == 0 else f.get('videoCodecId')
- formats.append({
- 'format_id': format_id,
- 'ext': f.get('fileExt'),
- 'tbr': int_or_none(f['bitrate']),
- 'fps': int_or_none(f.get('frameRate')),
- 'filesize_approx': int_or_none(f.get('size'), invscale=1024),
- 'container': f.get('containerFormat'),
- 'vcodec': vcodec,
- 'height': int_or_none(f.get('height')),
- 'width': int_or_none(f.get('width')),
- 'url': video_url,
- })
- if '/playManifest/' in data_url:
- m3u8_url = sign_url(data_url.replace(
- 'format/url', 'format/applehttp'))
- formats.extend(self._extract_m3u8_formats(
- m3u8_url, entry_id, 'mp4', 'm3u8_native',
- m3u8_id='hls', fatal=False))
- self._sort_formats(formats)
- subtitles = {}
- if captions:
- for caption in captions.get('objects', []):
- # Continue if caption is not ready
- if caption.get('status') != 2:
- continue
- if not caption.get('id'):
- continue
- caption_format = int_or_none(caption.get('format'))
- subtitles.setdefault(caption.get('languageCode') or caption.get('language'), []).append({
- 'url': '%s/api_v3/service/caption_captionasset/action/serve/captionAssetId/%s' % (self._SERVICE_URL, caption['id']),
- 'ext': caption.get('fileExt') or self._CAPTION_TYPES.get(caption_format) or 'ttml',
- })
- return {
- 'id': entry_id,
- 'title': info['name'],
- 'formats': formats,
- 'subtitles': subtitles,
- 'description': clean_html(info.get('description')),
- 'thumbnail': info.get('thumbnailUrl'),
- 'duration': info.get('duration'),
- 'timestamp': info.get('createdAt'),
- 'uploader_id': info.get('userId') if info.get('userId') != 'None' else None,
- 'view_count': int_or_none(info.get('plays')),
- }