import base64 import json import re from .common import InfoExtractor from ..compat import ( compat_urlparse, compat_parse_qs, ) from ..utils import ( clean_html, ExtractorError, format_field, int_or_none, unsmuggle_url, smuggle_url, traverse_obj, remove_start ) class KalturaIE(InfoExtractor): _VALID_URL = r'''(?x) (?: kaltura:(?P<partner_id>\w+):(?P<id>\w+)(?::(?P<player_type>\w+))?| 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/service/multirequest' # 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, }, 'skip': 'The access to this service is forbidden since the specified partner is blocked' }, { '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, }, { # html5lib URL using kwidget player 'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.46/mwEmbedFrame.php/p/691292/uiconf_id/20499062/entry_id/0_c076mna6?wid=_691292&iframeembed=true&playerId=kaltura_player_1420508608&entry_id=0_c076mna6&flashvars%5BakamaiHD.loadingPolicy%5D=preInitialize&flashvars%5BakamaiHD.asyncInit%5D=true&flashvars%5BstreamerType%5D=hdnetwork', 'info_dict': { 'id': '0_c076mna6', 'ext': 'mp4', 'title': 'md5:4883e7acbcbf42583a2dddc97dee4855', 'duration': 3608, 'uploader_id': 'commons@swinburne.edu.au', 'timestamp': 1408086874, 'view_count': int, 'upload_date': '20140815', 'thumbnail': 'http://cfvod.kaltura.com/p/691292/sp/69129200/thumbnail/entry_id/0_c076mna6/version/100022', } }, { # html5lib playlist URL using kwidget player 'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.89/mwEmbedFrame.php/p/2019031/uiconf_id/40436601?wid=1_4j3m32cv&iframeembed=true&playerId=kaltura_player_&flashvars[playlistAPI.kpl0Id]=1_jovey5nu&flashvars[ks]=&&flashvars[imageDefaultDuration]=30&flashvars[localizationCode]=en&flashvars[leadWithHTML5]=true&flashvars[forceMobileHTML5]=true&flashvars[nextPrevBtn.plugin]=true&flashvars[hotspots.plugin]=true&flashvars[sideBarContainer.plugin]=true&flashvars[sideBarContainer.position]=left&flashvars[sideBarContainer.clickToClose]=true&flashvars[chapters.plugin]=true&flashvars[chapters.layout]=vertical&flashvars[chapters.thumbnailRotator]=false&flashvars[streamSelector.plugin]=true&flashvars[EmbedPlayer.SpinnerTarget]=videoHolder&flashvars[dualScreen.plugin]=true&flashvars[playlistAPI.playlistUrl]=https://canvasgatechtest.kaf.kaltura.com/playlist/details/{playlistAPI.kpl0Id}/categoryid/126428551', 'info_dict': { 'id': '1_jovey5nu', 'title': '00-00 Introduction' }, 'playlist': [ { 'info_dict': { 'id': '1_b1y5hlvx', 'ext': 'mp4', 'title': 'CS7646_00-00 Introductio_Introduction', 'duration': 91, 'thumbnail': 'http://cfvod.kaltura.com/p/2019031/sp/201903100/thumbnail/entry_id/1_b1y5hlvx/version/100001', 'view_count': int, 'timestamp': 1533154447, 'upload_date': '20180801', 'uploader_id': 'djoyner3', } }, { 'info_dict': { 'id': '1_jfb7mdpn', 'ext': 'mp4', 'title': 'CS7646_00-00 Introductio_Three parts to the course', 'duration': 63, 'thumbnail': 'http://cfvod.kaltura.com/p/2019031/sp/201903100/thumbnail/entry_id/1_jfb7mdpn/version/100001', 'view_count': int, 'timestamp': 1533154489, 'upload_date': '20180801', 'uploader_id': 'djoyner3', } }, { 'info_dict': { 'id': '1_8xflxdp7', 'ext': 'mp4', 'title': 'CS7646_00-00 Introductio_Textbooks', 'duration': 37, 'thumbnail': 'http://cfvod.kaltura.com/p/2019031/sp/201903100/thumbnail/entry_id/1_8xflxdp7/version/100001', 'view_count': int, 'timestamp': 1533154512, 'upload_date': '20180801', 'uploader_id': 'djoyner3', } }, { 'info_dict': { 'id': '1_3hqew8kn', 'ext': 'mp4', 'title': 'CS7646_00-00 Introductio_Prerequisites', 'duration': 49, 'thumbnail': 'http://cfvod.kaltura.com/p/2019031/sp/201903100/thumbnail/entry_id/1_3hqew8kn/version/100001', 'view_count': int, 'timestamp': 1533154536, 'upload_date': '20180801', 'uploader_id': 'djoyner3', } } ] } ] @classmethod def _extract_embed_urls(cls, url, 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() embed_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: embed_url = smuggle_url(embed_url, {'service_url': service_mobj.group('id')}) urls.append(embed_url) return urls def _kaltura_api_call(self, video_id, actions, service_url=None, *args, **kwargs): params = actions[0] params.update({i: a for i, a in enumerate(actions[1:], start=1)}) data = self._download_json( (service_url or self._SERVICE_URL) + self._SERVICE_BASE, video_id, data=json.dumps(params).encode('utf-8'), headers={ 'Content-Type': 'application/json', 'Accept-Encoding': 'gzip, deflate, br', }, *args, **kwargs) for idx, status in enumerate(data): if not isinstance(status, dict): continue if status.get('objectType') == 'KalturaAPIException': raise ExtractorError( '%s said: %s (%d)' % (self.IE_NAME, status['message'], idx)) data[1] = traverse_obj(data, (1, 'objects', 0)) return data def _get_video_info(self, video_id, partner_id, service_url=None, player_type='html5'): assert player_type in ('html5', 'kwidget') if player_type == 'kwidget': return self._get_video_info_kwidget(video_id, partner_id, service_url) return self._get_video_info_html5(video_id, partner_id, service_url) def _get_video_info_html5(self, video_id, partner_id, service_url=None): actions = [ { 'apiVersion': '3.3.0', 'clientTag': 'html5:v3.1.0', 'format': 1, # JSON, 2 = XML, 3 = PHP 'ks': '', 'partnerId': partner_id, }, { 'expiry': 86400, 'service': 'session', 'action': 'startWidgetSession', 'widgetId': self._build_widget_id(partner_id), }, # info { 'action': 'list', 'filter': {'redirectFromEntryId': video_id}, 'service': 'baseentry', 'ks': '{1:result:ks}', 'responseProfile': { 'type': 1, 'fields': 'createdAt,dataUrl,duration,name,plays,thumbnailUrl,userId', }, }, # flavor_assets { 'action': 'getbyentryid', 'entryId': video_id, 'service': 'flavorAsset', 'ks': '{1:result:ks}', }, # captions { '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 (Kaltura html5 player)') def _get_video_info_kwidget(self, video_id, partner_id, service_url=None): actions = [ { 'service': 'multirequest', 'apiVersion': '3.1', 'expiry': 86400, 'clientTag': 'kwidget:v2.89', 'format': 1, # JSON, 2 = XML, 3 = PHP 'ignoreNull': 1, 'action': 'null', }, # header { 'expiry': 86400, 'service': 'session', 'action': 'startWidgetSession', 'widgetId': self._build_widget_id(partner_id), }, # (empty) { 'expiry': 86400, 'service': 'session', 'action': 'startwidgetsession', 'widgetId': self._build_widget_id(partner_id), 'format': 9, 'apiVersion': '3.1', 'clientTag': 'kwidget:v2.89', 'ignoreNull': 1, 'ks': '{1:result:ks}' }, # info { 'action': 'list', 'filter': {'redirectFromEntryId': video_id}, 'service': 'baseentry', 'ks': '{1:result:ks}', 'responseProfile': { 'type': 1, 'fields': 'createdAt,dataUrl,duration,name,plays,thumbnailUrl,userId', }, }, # flavor_assets { 'action': 'getbyentryid', 'entryId': video_id, 'service': 'flavorAsset', 'ks': '{1:result:ks}', }, # captions { 'action': 'list', 'filter:entryIdEqual': video_id, 'service': 'caption_captionasset', 'ks': '{1:result:ks}', }, ] # second object (representing the second start widget session) is None header, _, _info, flavor_assets, captions = self._kaltura_api_call( video_id, actions, service_url, note='Downloading video info JSON (Kaltura kwidget player)') info = _info['objects'][0] return header, info, flavor_assets, captions def _build_widget_id(self, partner_id): return partner_id if '_' in partner_id else f'_{partner_id}' IFRAME_PACKAGE_DATA_REGEX = r'window\.kalturaIframePackageData\s*=' def _real_extract(self, url): url, smuggled_data = unsmuggle_url(url, {}) mobj = self._match_valid_url(url) partner_id, entry_id, player_type = mobj.group('partner_id', 'id', 'player_type') ks, captions = None, None if not player_type: player_type = 'kwidget' if 'html5lib/v2' in url else 'html5' if partner_id and entry_id: _, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id, smuggled_data.get('service_url'), player_type=player_type) 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 = remove_start(params['wid'][0], '_') 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, player_type=player_type) 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._search_json( self.IFRAME_PACKAGE_DATA_REGEX, 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, player_type=player_type) except ExtractorError: # Regular scenario failed but we already have everything # extracted apart from captions and can process at least # with this pass elif 'uiconf_id' in params and 'flashvars[playlistAPI.kpl0Id]' in params: playlist_id = params['flashvars[playlistAPI.kpl0Id]'][0] webpage = self._download_webpage(url, playlist_id) playlist_data = self._search_json( self.IFRAME_PACKAGE_DATA_REGEX, webpage, 'kalturaIframePackageData', playlist_id)['playlistResult'] return self.playlist_from_matches( traverse_obj(playlist_data, (playlist_id, 'items', ..., 'id')), playlist_id, traverse_obj(playlist_data, (playlist_id, 'name')), ie=KalturaIE, getter=lambda x: f'kaltura:{partner_id}:{x}:{player_type}') else: raise ExtractorError('Invalid URL', expected=True) ks = params.get('flashvars[ks]', [None])[0] return self._per_video_extract(smuggled_data, entry_id, info, ks, flavor_assets, captions) def _per_video_extract(self, smuggled_data, entry_id, info, ks, flavor_assets, captions): 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 = [] subtitles = {} 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 not self.get_param('allow_unplayable_formats') and 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')) fmts, subs = self._extract_m3u8_formats_and_subtitles( m3u8_url, entry_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False) formats.extend(fmts) self._merge_subtitles(subs, target=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': format_field(info, 'userId', ignore=('None', None)), 'view_count': int_or_none(info.get('plays')), }