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[youtubedl] / youtube_dl / extractor / kaltura.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5 import base64
6
7 from .common import InfoExtractor
8 from ..compat import (
9 compat_urlparse,
10 compat_parse_qs,
11 )
12 from ..utils import (
13 clean_html,
14 ExtractorError,
15 int_or_none,
16 unsmuggle_url,
17 smuggle_url,
18 )
19
20
21 class KalturaIE(InfoExtractor):
22 _VALID_URL = r'''(?x)
23 (?:
24 kaltura:(?P<partner_id>\d+):(?P<id>[0-9a-z_]+)|
25 https?://
26 (:?(?:www|cdnapi(?:sec)?)\.)?kaltura\.com/
27 (?:
28 (?:
29 # flash player
30 index\.php/kwidget|
31 # html5 player
32 html5/html5lib/[^/]+/mwEmbedFrame\.php
33 )
34 )(?:/(?P<path>[^?]+))?(?:\?(?P<query>.*))?
35 )
36 '''
37 _SERVICE_URL = 'http://cdnapi.kaltura.com'
38 _SERVICE_BASE = '/api_v3/index.php'
39 _TESTS = [
40 {
41 'url': 'kaltura:269692:1_1jc2y3e4',
42 'md5': '3adcbdb3dcc02d647539e53f284ba171',
43 'info_dict': {
44 'id': '1_1jc2y3e4',
45 'ext': 'mp4',
46 'title': 'Straight from the Heart',
47 'upload_date': '20131219',
48 'uploader_id': 'mlundberg@wolfgangsvault.com',
49 'description': 'The Allman Brothers Band, 12/16/1981',
50 'thumbnail': 're:^https?://.*/thumbnail/.*',
51 'timestamp': int,
52 },
53 },
54 {
55 'url': 'http://www.kaltura.com/index.php/kwidget/cache_st/1300318621/wid/_269692/uiconf_id/3873291/entry_id/1_1jc2y3e4',
56 'only_matching': True,
57 },
58 {
59 'url': 'https://cdnapisec.kaltura.com/index.php/kwidget/wid/_557781/uiconf_id/22845202/entry_id/1_plr1syf3',
60 'only_matching': True,
61 },
62 {
63 'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.30.2/mwEmbedFrame.php/p/1337/uiconf_id/20540612/entry_id/1_sf5ovm7u?wid=_243342',
64 'only_matching': True,
65 },
66 {
67 # video with subtitles
68 'url': 'kaltura:111032:1_cw786r8q',
69 'only_matching': True,
70 }
71 ]
72
73 @staticmethod
74 def _extract_url(webpage):
75 mobj = (
76 re.search(
77 r"""(?xs)
78 kWidget\.(?:thumb)?[Ee]mbed\(
79 \{.*?
80 (?P<q1>['\"])wid(?P=q1)\s*:\s*
81 (?P<q2>['\"])_?(?P<partner_id>[^'\"]+)(?P=q2),.*?
82 (?P<q3>['\"])entry_?[Ii]d(?P=q3)\s*:\s*
83 (?P<q4>['\"])(?P<id>[^'\"]+)(?P=q4),
84 """, webpage) or
85 re.search(
86 r'''(?xs)
87 (?P<q1>["\'])
88 (?:https?:)?//cdnapi(?:sec)?\.kaltura\.com/.*?(?:p|partner_id)/(?P<partner_id>\d+).*?
89 (?P=q1).*?
90 (?:
91 entry_?[Ii]d|
92 (?P<q2>["\'])entry_?[Ii]d(?P=q2)
93 )\s*:\s*
94 (?P<q3>["\'])(?P<id>.+?)(?P=q3)
95 ''', webpage))
96 if mobj:
97 embed_info = mobj.groupdict()
98 url = 'kaltura:%(partner_id)s:%(id)s' % embed_info
99 escaped_pid = re.escape(embed_info['partner_id'])
100 service_url = re.search(
101 r'<script[^>]+src=["\']((?:https?:)?//.+?)/p/%s/sp/%s00/embedIframeJs' % (escaped_pid, escaped_pid),
102 webpage)
103 if service_url:
104 url = smuggle_url(url, {'service_url': service_url.group(1)})
105 return url
106
107 def _kaltura_api_call(self, video_id, actions, service_url=None, *args, **kwargs):
108 params = actions[0]
109 if len(actions) > 1:
110 for i, a in enumerate(actions[1:], start=1):
111 for k, v in a.items():
112 params['%d:%s' % (i, k)] = v
113
114 data = self._download_json(
115 (service_url or self._SERVICE_URL) + self._SERVICE_BASE,
116 video_id, query=params, *args, **kwargs)
117
118 status = data if len(actions) == 1 else data[0]
119 if status.get('objectType') == 'KalturaAPIException':
120 raise ExtractorError(
121 '%s said: %s' % (self.IE_NAME, status['message']))
122
123 return data
124
125 def _get_kaltura_signature(self, video_id, partner_id, service_url=None):
126 actions = [{
127 'apiVersion': '3.1',
128 'expiry': 86400,
129 'format': 1,
130 'service': 'session',
131 'action': 'startWidgetSession',
132 'widgetId': '_%s' % partner_id,
133 }]
134 return self._kaltura_api_call(
135 video_id, actions, service_url, note='Downloading Kaltura signature')['ks']
136
137 def _get_video_info(self, video_id, partner_id, service_url=None):
138 actions = [
139 {
140 'action': 'null',
141 'apiVersion': '3.1.5',
142 'clientTag': 'kdp:v3.8.5',
143 'format': 1, # JSON, 2 = XML, 3 = PHP
144 'service': 'multirequest',
145 },
146 {
147 'expiry': 86400,
148 'service': 'session',
149 'action': 'startWidgetSession',
150 'widgetId': '_%s' % partner_id,
151 },
152 {
153 'action': 'get',
154 'entryId': video_id,
155 'service': 'baseentry',
156 'ks': '{1:result:ks}',
157 },
158 {
159 'action': 'getbyentryid',
160 'entryId': video_id,
161 'service': 'flavorAsset',
162 'ks': '{1:result:ks}',
163 },
164 {
165 'action': 'list',
166 'filter:entryIdEqual': video_id,
167 'service': 'caption_captionasset',
168 'ks': '{1:result:ks}',
169 },
170 ]
171 return self._kaltura_api_call(
172 video_id, actions, service_url, note='Downloading video info JSON')
173
174 def _real_extract(self, url):
175 url, smuggled_data = unsmuggle_url(url, {})
176
177 mobj = re.match(self._VALID_URL, url)
178 partner_id, entry_id = mobj.group('partner_id', 'id')
179 ks = None
180 captions = None
181 if partner_id and entry_id:
182 _, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id, smuggled_data.get('service_url'))
183 else:
184 path, query = mobj.group('path', 'query')
185 if not path and not query:
186 raise ExtractorError('Invalid URL', expected=True)
187 params = {}
188 if query:
189 params = compat_parse_qs(query)
190 if path:
191 splitted_path = path.split('/')
192 params.update(dict((zip(splitted_path[::2], [[v] for v in splitted_path[1::2]]))))
193 if 'wid' in params:
194 partner_id = params['wid'][0][1:]
195 elif 'p' in params:
196 partner_id = params['p'][0]
197 else:
198 raise ExtractorError('Invalid URL', expected=True)
199 if 'entry_id' in params:
200 entry_id = params['entry_id'][0]
201 _, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id)
202 elif 'uiconf_id' in params and 'flashvars[referenceId]' in params:
203 reference_id = params['flashvars[referenceId]'][0]
204 webpage = self._download_webpage(url, reference_id)
205 entry_data = self._parse_json(self._search_regex(
206 r'window\.kalturaIframePackageData\s*=\s*({.*});',
207 webpage, 'kalturaIframePackageData'),
208 reference_id)['entryResult']
209 info, flavor_assets = entry_data['meta'], entry_data['contextData']['flavorAssets']
210 entry_id = info['id']
211 else:
212 raise ExtractorError('Invalid URL', expected=True)
213 ks = params.get('flashvars[ks]', [None])[0]
214
215 source_url = smuggled_data.get('source_url')
216 if source_url:
217 referrer = base64.b64encode(
218 '://'.join(compat_urlparse.urlparse(source_url)[:2])
219 .encode('utf-8')).decode('utf-8')
220 else:
221 referrer = None
222
223 def sign_url(unsigned_url):
224 if ks:
225 unsigned_url += '/ks/%s' % ks
226 if referrer:
227 unsigned_url += '?referrer=%s' % referrer
228 return unsigned_url
229
230 data_url = info['dataUrl']
231 if '/flvclipper/' in data_url:
232 data_url = re.sub(r'/flvclipper/.*', '/serveFlavor', data_url)
233
234 formats = []
235 for f in flavor_assets:
236 # Continue if asset is not ready
237 if f.get('status') != 2:
238 continue
239 video_url = sign_url(
240 '%s/flavorId/%s' % (data_url, f['id']))
241 formats.append({
242 'format_id': '%(fileExt)s-%(bitrate)s' % f,
243 'ext': f.get('fileExt'),
244 'tbr': int_or_none(f['bitrate']),
245 'fps': int_or_none(f.get('frameRate')),
246 'filesize_approx': int_or_none(f.get('size'), invscale=1024),
247 'container': f.get('containerFormat'),
248 'vcodec': f.get('videoCodecId'),
249 'height': int_or_none(f.get('height')),
250 'width': int_or_none(f.get('width')),
251 'url': video_url,
252 })
253 if '/playManifest/' in data_url:
254 m3u8_url = sign_url(data_url.replace(
255 'format/url', 'format/applehttp'))
256 formats.extend(self._extract_m3u8_formats(
257 m3u8_url, entry_id, 'mp4', 'm3u8_native',
258 m3u8_id='hls', fatal=False))
259
260 self._sort_formats(formats)
261
262 subtitles = {}
263 if captions:
264 for caption in captions.get('objects', []):
265 # Continue if caption is not ready
266 if f.get('status') != 2:
267 continue
268 subtitles.setdefault(caption.get('languageCode') or caption.get('language'), []).append({
269 'url': '%s/api_v3/service/caption_captionasset/action/serve/captionAssetId/%s' % (self._SERVICE_URL, caption['id']),
270 'ext': caption.get('fileExt'),
271 })
272
273 return {
274 'id': entry_id,
275 'title': info['name'],
276 'formats': formats,
277 'subtitles': subtitles,
278 'description': clean_html(info.get('description')),
279 'thumbnail': info.get('thumbnailUrl'),
280 'duration': info.get('duration'),
281 'timestamp': info.get('createdAt'),
282 'uploader_id': info.get('userId'),
283 'view_count': info.get('plays'),
284 }