mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-22 22:02:53 +08:00
322 lines
12 KiB
Python
322 lines
12 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import re
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import base64
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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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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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# See https://github.com/kaltura/server/blob/master/plugins/content/caption/base/lib/model/enums/CaptionType.php
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_CAPTION_TYPES = {
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1: 'srt',
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2: 'ttml',
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3: 'vtt',
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}
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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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# video with subtitles
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'url': 'kaltura:111032:1_cw786r8q',
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'only_matching': True,
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},
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{
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# video with ttml subtitles (no fileExt)
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'url': 'kaltura:1926081:0_l5ye1133',
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'info_dict': {
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'id': '0_l5ye1133',
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'ext': 'mp4',
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'title': 'What Can You Do With Python?',
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'upload_date': '20160221',
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'uploader_id': 'stork',
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'thumbnail': 're:^https?://.*/thumbnail/.*',
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'timestamp': int,
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'subtitles': {
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'en': [{
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'ext': 'ttml',
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}],
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},
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},
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'params': {
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'skip_download': 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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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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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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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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return data
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def _get_video_info(self, video_id, partner_id, service_url=None):
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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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},
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{
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'expiry': 86400,
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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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{
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'action': 'get',
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'entryId': video_id,
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'service': 'baseentry',
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'ks': '{1:result:ks}',
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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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'ks': '{1:result:ks}',
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},
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{
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'action': 'list',
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'filter:entryIdEqual': video_id,
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'service': 'caption_captionasset',
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'ks': '{1:result:ks}',
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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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def _real_extract(self, url):
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url, smuggled_data = unsmuggle_url(url, {})
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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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captions = None
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if partner_id and entry_id:
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_, info, flavor_assets, captions = 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, captions = 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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# Unfortunately, data returned in kalturaIframePackageData lacks
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# captions so we will try requesting the complete data using
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# regular approach since we now know the entry_id
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try:
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_, info, flavor_assets, captions = self._get_video_info(
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entry_id, partner_id)
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except ExtractorError:
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# Regular scenario failed but we already have everything
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# extracted apart from captions and can process at least
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# with this
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pass
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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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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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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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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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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.get('status') != 2:
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continue
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# Original format that's not available (e.g. kaltura:1926081:0_c03e1b5g)
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# skip for now.
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if f.get('fileExt') == 'chun':
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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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# audio-only has no videoCodecId (e.g. kaltura:1926081:0_c03e1b5g
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# -f mp4-56)
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vcodec = 'none' if 'videoCodecId' not in f and f.get(
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'frameRate') == 0 else f.get('videoCodecId')
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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': vcodec,
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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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self._sort_formats(formats)
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subtitles = {}
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if captions:
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for caption in captions.get('objects', []):
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# Continue if caption is not ready
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if f.get('status') != 2:
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continue
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if not caption.get('id'):
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continue
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caption_format = int_or_none(caption.get('format'))
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subtitles.setdefault(caption.get('languageCode') or caption.get('language'), []).append({
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'url': '%s/api_v3/service/caption_captionasset/action/serve/captionAssetId/%s' % (self._SERVICE_URL, caption['id']),
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'ext': caption.get('fileExt') or self._CAPTION_TYPES.get(caption_format) or 'ttml',
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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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'subtitles': subtitles,
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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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}
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