kaltura.py (15414B)
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(?::\d+)?/ 27 (?: 28 (?: 29 # flash player 30 index\.php/(?:kwidget|extwidget/preview)| 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 # See https://github.com/kaltura/server/blob/master/plugins/content/caption/base/lib/model/enums/CaptionType.php 40 _CAPTION_TYPES = { 41 1: 'srt', 42 2: 'ttml', 43 3: 'vtt', 44 } 45 _TESTS = [ 46 { 47 'url': 'kaltura:269692:1_1jc2y3e4', 48 'md5': '3adcbdb3dcc02d647539e53f284ba171', 49 'info_dict': { 50 'id': '1_1jc2y3e4', 51 'ext': 'mp4', 52 'title': 'Straight from the Heart', 53 'upload_date': '20131219', 54 'uploader_id': 'mlundberg@wolfgangsvault.com', 55 'description': 'The Allman Brothers Band, 12/16/1981', 56 'thumbnail': 're:^https?://.*/thumbnail/.*', 57 'timestamp': int, 58 }, 59 }, 60 { 61 'url': 'http://www.kaltura.com/index.php/kwidget/cache_st/1300318621/wid/_269692/uiconf_id/3873291/entry_id/1_1jc2y3e4', 62 'only_matching': True, 63 }, 64 { 65 'url': 'https://cdnapisec.kaltura.com/index.php/kwidget/wid/_557781/uiconf_id/22845202/entry_id/1_plr1syf3', 66 'only_matching': True, 67 }, 68 { 69 'url': 'https://cdnapisec.kaltura.com/html5/html5lib/v2.30.2/mwEmbedFrame.php/p/1337/uiconf_id/20540612/entry_id/1_sf5ovm7u?wid=_243342', 70 'only_matching': True, 71 }, 72 { 73 # video with subtitles 74 'url': 'kaltura:111032:1_cw786r8q', 75 'only_matching': True, 76 }, 77 { 78 # video with ttml subtitles (no fileExt) 79 'url': 'kaltura:1926081:0_l5ye1133', 80 'info_dict': { 81 'id': '0_l5ye1133', 82 'ext': 'mp4', 83 'title': 'What Can You Do With Python?', 84 'upload_date': '20160221', 85 'uploader_id': 'stork', 86 'thumbnail': 're:^https?://.*/thumbnail/.*', 87 'timestamp': int, 88 'subtitles': { 89 'en': [{ 90 'ext': 'ttml', 91 }], 92 }, 93 }, 94 'skip': 'Gone. Maybe https://www.safaribooksonline.com/library/tutorials/introduction-to-python-anon/3469/', 95 'params': { 96 'skip_download': True, 97 }, 98 }, 99 { 100 'url': 'https://www.kaltura.com/index.php/extwidget/preview/partner_id/1770401/uiconf_id/37307382/entry_id/0_58u8kme7/embed/iframe?&flashvars[streamerType]=auto', 101 'only_matching': True, 102 }, 103 { 104 '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', 105 'only_matching': True, 106 }, 107 { 108 # unavailable source format 109 'url': 'kaltura:513551:1_66x4rg7o', 110 'only_matching': True, 111 } 112 ] 113 114 @staticmethod 115 def _extract_url(webpage): 116 urls = KalturaIE._extract_urls(webpage) 117 return urls[0] if urls else None 118 119 @staticmethod 120 def _extract_urls(webpage): 121 # Embed codes: https://knowledge.kaltura.com/embedding-kaltura-media-players-your-site 122 finditer = ( 123 list(re.finditer( 124 r"""(?xs) 125 kWidget\.(?:thumb)?[Ee]mbed\( 126 \{.*? 127 (?P<q1>['"])wid(?P=q1)\s*:\s* 128 (?P<q2>['"])_?(?P<partner_id>(?:(?!(?P=q2)).)+)(?P=q2),.*? 129 (?P<q3>['"])entry_?[Ii]d(?P=q3)\s*:\s* 130 (?P<q4>['"])(?P<id>(?:(?!(?P=q4)).)+)(?P=q4)(?:,|\s*\}) 131 """, webpage)) 132 or list(re.finditer( 133 r'''(?xs) 134 (?P<q1>["']) 135 (?:https?:)?//cdnapi(?:sec)?\.kaltura\.com(?::\d+)?/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)(?:(?!(?P=q1)).)* 136 (?P=q1).*? 137 (?: 138 (?: 139 entry_?[Ii]d| 140 (?P<q2>["'])entry_?[Ii]d(?P=q2) 141 )\s*:\s*| 142 \[\s*(?P<q2_1>["'])entry_?[Ii]d(?P=q2_1)\s*\]\s*=\s* 143 ) 144 (?P<q3>["'])(?P<id>(?:(?!(?P=q3)).)+)(?P=q3) 145 ''', webpage)) 146 or list(re.finditer( 147 r'''(?xs) 148 <(?:iframe[^>]+src|meta[^>]+\bcontent)=(?P<q1>["'])\s* 149 (?:https?:)?//(?:(?:www|cdnapi(?:sec)?)\.)?kaltura\.com/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+) 150 (?:(?!(?P=q1)).)* 151 [?&;]entry_id=(?P<id>(?:(?!(?P=q1))[^&])+) 152 (?:(?!(?P=q1)).)* 153 (?P=q1) 154 ''', webpage)) 155 ) 156 urls = [] 157 for mobj in finditer: 158 embed_info = mobj.groupdict() 159 for k, v in embed_info.items(): 160 if v: 161 embed_info[k] = v.strip() 162 url = 'kaltura:%(partner_id)s:%(id)s' % embed_info 163 escaped_pid = re.escape(embed_info['partner_id']) 164 service_mobj = re.search( 165 r'<script[^>]+src=(["\'])(?P<id>(?:https?:)?//(?:(?!\1).)+)/p/%s/sp/%s00/embedIframeJs' % (escaped_pid, escaped_pid), 166 webpage) 167 if service_mobj: 168 url = smuggle_url(url, {'service_url': service_mobj.group('id')}) 169 urls.append(url) 170 return urls 171 172 def _kaltura_api_call(self, video_id, actions, service_url=None, *args, **kwargs): 173 params = actions[0] 174 if len(actions) > 1: 175 for i, a in enumerate(actions[1:], start=1): 176 for k, v in a.items(): 177 params['%d:%s' % (i, k)] = v 178 179 data = self._download_json( 180 (service_url or self._SERVICE_URL) + self._SERVICE_BASE, 181 video_id, query=params, *args, **kwargs) 182 183 status = data if len(actions) == 1 else data[0] 184 if status.get('objectType') == 'KalturaAPIException': 185 raise ExtractorError( 186 '%s said: %s' % (self.IE_NAME, status['message'])) 187 188 return data 189 190 def _get_video_info(self, video_id, partner_id, service_url=None): 191 actions = [ 192 { 193 'action': 'null', 194 'apiVersion': '3.1.5', 195 'clientTag': 'kdp:v3.8.5', 196 'format': 1, # JSON, 2 = XML, 3 = PHP 197 'service': 'multirequest', 198 }, 199 { 200 'expiry': 86400, 201 'service': 'session', 202 'action': 'startWidgetSession', 203 'widgetId': '_%s' % partner_id, 204 }, 205 { 206 'action': 'get', 207 'entryId': video_id, 208 'service': 'baseentry', 209 'ks': '{1:result:ks}', 210 'responseProfile:fields': 'createdAt,dataUrl,duration,name,plays,thumbnailUrl,userId', 211 'responseProfile:type': 1, 212 }, 213 { 214 'action': 'getbyentryid', 215 'entryId': video_id, 216 'service': 'flavorAsset', 217 'ks': '{1:result:ks}', 218 }, 219 { 220 'action': 'list', 221 'filter:entryIdEqual': video_id, 222 'service': 'caption_captionasset', 223 'ks': '{1:result:ks}', 224 }, 225 ] 226 return self._kaltura_api_call( 227 video_id, actions, service_url, note='Downloading video info JSON') 228 229 def _real_extract(self, url): 230 url, smuggled_data = unsmuggle_url(url, {}) 231 232 mobj = re.match(self._VALID_URL, url) 233 partner_id, entry_id = mobj.group('partner_id', 'id') 234 ks = None 235 captions = None 236 if partner_id and entry_id: 237 _, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id, smuggled_data.get('service_url')) 238 else: 239 path, query = mobj.group('path', 'query') 240 if not path and not query: 241 raise ExtractorError('Invalid URL', expected=True) 242 params = {} 243 if query: 244 params = compat_parse_qs(query) 245 if path: 246 splitted_path = path.split('/') 247 params.update(dict((zip(splitted_path[::2], [[v] for v in splitted_path[1::2]])))) 248 if 'wid' in params: 249 partner_id = params['wid'][0][1:] 250 elif 'p' in params: 251 partner_id = params['p'][0] 252 elif 'partner_id' in params: 253 partner_id = params['partner_id'][0] 254 else: 255 raise ExtractorError('Invalid URL', expected=True) 256 if 'entry_id' in params: 257 entry_id = params['entry_id'][0] 258 _, info, flavor_assets, captions = self._get_video_info(entry_id, partner_id) 259 elif 'uiconf_id' in params and 'flashvars[referenceId]' in params: 260 reference_id = params['flashvars[referenceId]'][0] 261 webpage = self._download_webpage(url, reference_id) 262 entry_data = self._parse_json(self._search_regex( 263 r'window\.kalturaIframePackageData\s*=\s*({.*});', 264 webpage, 'kalturaIframePackageData'), 265 reference_id)['entryResult'] 266 info, flavor_assets = entry_data['meta'], entry_data['contextData']['flavorAssets'] 267 entry_id = info['id'] 268 # Unfortunately, data returned in kalturaIframePackageData lacks 269 # captions so we will try requesting the complete data using 270 # regular approach since we now know the entry_id 271 try: 272 _, info, flavor_assets, captions = self._get_video_info( 273 entry_id, partner_id) 274 except ExtractorError: 275 # Regular scenario failed but we already have everything 276 # extracted apart from captions and can process at least 277 # with this 278 pass 279 else: 280 raise ExtractorError('Invalid URL', expected=True) 281 ks = params.get('flashvars[ks]', [None])[0] 282 283 source_url = smuggled_data.get('source_url') 284 if source_url: 285 referrer = base64.b64encode( 286 '://'.join(compat_urlparse.urlparse(source_url)[:2]) 287 .encode('utf-8')).decode('utf-8') 288 else: 289 referrer = None 290 291 def sign_url(unsigned_url): 292 if ks: 293 unsigned_url += '/ks/%s' % ks 294 if referrer: 295 unsigned_url += '?referrer=%s' % referrer 296 return unsigned_url 297 298 data_url = info['dataUrl'] 299 if '/flvclipper/' in data_url: 300 data_url = re.sub(r'/flvclipper/.*', '/serveFlavor', data_url) 301 302 formats = [] 303 for f in flavor_assets: 304 # Continue if asset is not ready 305 if f.get('status') != 2: 306 continue 307 # Original format that's not available (e.g. kaltura:1926081:0_c03e1b5g) 308 # skip for now. 309 if f.get('fileExt') == 'chun': 310 continue 311 # DRM-protected video, cannot be decrypted 312 if f.get('fileExt') == 'wvm': 313 continue 314 if not f.get('fileExt'): 315 # QT indicates QuickTime; some videos have broken fileExt 316 if f.get('containerFormat') == 'qt': 317 f['fileExt'] = 'mov' 318 else: 319 f['fileExt'] = 'mp4' 320 video_url = sign_url( 321 '%s/flavorId/%s' % (data_url, f['id'])) 322 format_id = '%(fileExt)s-%(bitrate)s' % f 323 # Source format may not be available (e.g. kaltura:513551:1_66x4rg7o) 324 if f.get('isOriginal') is True and not self._is_valid_url( 325 video_url, entry_id, format_id): 326 continue 327 # audio-only has no videoCodecId (e.g. kaltura:1926081:0_c03e1b5g 328 # -f mp4-56) 329 vcodec = 'none' if 'videoCodecId' not in f and f.get( 330 'frameRate') == 0 else f.get('videoCodecId') 331 formats.append({ 332 'format_id': format_id, 333 'ext': f.get('fileExt'), 334 'tbr': int_or_none(f['bitrate']), 335 'fps': int_or_none(f.get('frameRate')), 336 'filesize_approx': int_or_none(f.get('size'), invscale=1024), 337 'container': f.get('containerFormat'), 338 'vcodec': vcodec, 339 'height': int_or_none(f.get('height')), 340 'width': int_or_none(f.get('width')), 341 'url': video_url, 342 }) 343 if '/playManifest/' in data_url: 344 m3u8_url = sign_url(data_url.replace( 345 'format/url', 'format/applehttp')) 346 formats.extend(self._extract_m3u8_formats( 347 m3u8_url, entry_id, 'mp4', 'm3u8_native', 348 m3u8_id='hls', fatal=False)) 349 350 self._sort_formats(formats) 351 352 subtitles = {} 353 if captions: 354 for caption in captions.get('objects', []): 355 # Continue if caption is not ready 356 if caption.get('status') != 2: 357 continue 358 if not caption.get('id'): 359 continue 360 caption_format = int_or_none(caption.get('format')) 361 subtitles.setdefault(caption.get('languageCode') or caption.get('language'), []).append({ 362 'url': '%s/api_v3/service/caption_captionasset/action/serve/captionAssetId/%s' % (self._SERVICE_URL, caption['id']), 363 'ext': caption.get('fileExt') or self._CAPTION_TYPES.get(caption_format) or 'ttml', 364 }) 365 366 return { 367 'id': entry_id, 368 'title': info['name'], 369 'formats': formats, 370 'subtitles': subtitles, 371 'description': clean_html(info.get('description')), 372 'thumbnail': info.get('thumbnailUrl'), 373 'duration': info.get('duration'), 374 'timestamp': info.get('createdAt'), 375 'uploader_id': info.get('userId') if info.get('userId') != 'None' else None, 376 'view_count': info.get('plays'), 377 }