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# 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,
}
]
@staticmethod
def _extract_url(webpage):
# Embed codes: https://knowledge.kaltura.com/embedding-kaltura-media-players-your-site
mobj = (
re.search(
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 re.search(
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 re.search(
r'''(?xs)
<(?:iframe[^>]+src|meta[^>]+\bcontent)=(?P<q1>["'])
(?: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)
)
if mobj:
embed_info = mobj.groupdict()
for k, v in embed_info.items():
embed_info[k] = v.strip()
url = 'kaltura:%(partner_id)s:%(id)s' % embed_info
escaped_pid = re.escape(embed_info['partner_id'])
service_url = re.search(
r'<script[^>]+src=["\']((?:https?:)?//.+?)/p/%s/sp/%s00/embedIframeJs' % (escaped_pid, escaped_pid),
webpage)
if service_url:
url = smuggle_url(url, {'service_url': service_url.group(1)})
return url
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']))
# 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': '%(fileExt)s-%(bitrate)s' % f,
'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': info.get('plays'),
}