]> Raphaƫl G. Git Repositories - youtubedl/blobdiff - youtube_dl/extractor/kaltura.py
New upstream version 2017.09.24
[youtubedl] / youtube_dl / extractor / kaltura.py
index d2873049202813be7587067b629503dc2da0f877..138d4844d1bbd70e56aff50b5a59ff2ddac8f665 100644 (file)
@@ -2,24 +2,46 @@
 from __future__ import unicode_literals
 
 import re
+import base64
 
 from .common import InfoExtractor
-from ..compat import compat_urllib_parse
+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:|
-       https?://(:?(?:www|cdnapisec)\.)?kaltura\.com/index\.php/kwidget/(?:[^/]+/)*?wid/_
-    )(?P<partner_id>\d+)
-    (?::|
-       /(?:[^/]+/)*?entry_id/
-    )(?P<id>[0-9a-z_]+)'''
-    _API_BASE = 'http://cdnapi.kaltura.com/api_v3/index.php?'
+                (?:
+                    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',
@@ -27,7 +49,7 @@ class KalturaIE(InfoExtractor):
             'info_dict': {
                 'id': '1_1jc2y3e4',
                 'ext': 'mp4',
-                'title': 'Track 4',
+                'title': 'Straight from the Heart',
                 'upload_date': '20131219',
                 'uploader_id': 'mlundberg@wolfgangsvault.com',
                 'description': 'The Allman Brothers Band, 12/16/1981',
@@ -43,18 +65,101 @@ class KalturaIE(InfoExtractor):
             '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,
+        }
     ]
 
-    def _kaltura_api_call(self, video_id, actions, *args, **kwargs):
+    @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*
+                    (?P<q3>["'])(?P<id>(?:(?!(?P=q3)).)+)(?P=q3)
+                ''', webpage) or
+            re.search(
+                r'''(?xs)
+                    <iframe[^>]+src=(?P<q1>["'])
+                      (?:https?:)?//(?:www\.)?kaltura\.com/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)
+                      (?:(?!(?P=q1)).)*
+                      [?&]entry_id=(?P<id>(?:(?!(?P=q1))[^&])+)
+                    (?P=q1)
+                ''', webpage)
+        )
+        if mobj:
+            embed_info = mobj.groupdict()
+            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
 
-        query = compat_urllib_parse.urlencode(params)
-        url = self._API_BASE + query
-        data = self._download_json(url, video_id, *args, **kwargs)
+        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':
@@ -63,20 +168,7 @@ class KalturaIE(InfoExtractor):
 
         return data
 
-    def _get_kaltura_signature(self, video_id, partner_id):
-        actions = [{
-            'apiVersion': '3.1',
-            'expiry': 86400,
-            'format': 1,
-            'service': 'session',
-            'action': 'startWidgetSession',
-            'widgetId': '_%s' % partner_id,
-        }]
-        return self._kaltura_api_call(
-            video_id, actions, note='Downloading Kaltura signature')['ks']
-
-    def _get_video_info(self, video_id, partner_id):
-        signature = self._get_kaltura_signature(video_id, partner_id)
+    def _get_video_info(self, video_id, partner_id, service_url=None):
         actions = [
             {
                 'action': 'null',
@@ -84,55 +176,173 @@ class KalturaIE(InfoExtractor):
                 'clientTag': 'kdp:v3.8.5',
                 'format': 1,  # JSON, 2 = XML, 3 = PHP
                 'service': 'multirequest',
-                'ks': signature,
+            },
+            {
+                'expiry': 86400,
+                'service': 'session',
+                'action': 'startWidgetSession',
+                'widgetId': '_%s' % partner_id,
             },
             {
                 'action': 'get',
                 'entryId': video_id,
                 'service': 'baseentry',
-                'version': '-1',
+                'ks': '{1:result:ks}',
             },
             {
-                'action': 'getContextData',
-                'contextDataParams:objectType': 'KalturaEntryContextDataParams',
-                'contextDataParams:referrer': 'http://www.kaltura.com/',
-                'contextDataParams:streamerType': 'http',
+                'action': 'getbyentryid',
                 'entryId': video_id,
-                'service': 'baseentry',
+                '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, note='Downloading video info JSON')
+            video_id, actions, service_url, note='Downloading video info JSON')
 
     def _real_extract(self, url):
-        video_id = self._match_id(url)
+        url, smuggled_data = unsmuggle_url(url, {})
+
         mobj = re.match(self._VALID_URL, url)
-        partner_id, entry_id = mobj.group('partner_id'), mobj.group('id')
-
-        info, source_data = self._get_video_info(entry_id, partner_id)
-
-        formats = [{
-            'format_id': '%(fileExt)s-%(bitrate)s' % f,
-            'ext': f['fileExt'],
-            'tbr': f['bitrate'],
-            'fps': f.get('frameRate'),
-            'filesize_approx': int_or_none(f.get('size'), invscale=1024),
-            'container': f.get('containerFormat'),
-            'vcodec': f.get('videoCodecId'),
-            'height': f.get('height'),
-            'width': f.get('width'),
-            'url': '%s/flavorId/%s' % (info['dataUrl'], f['id']),
-        } for f in source_data['flavorAssets']]
+        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
+            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': video_id,
+            'id': entry_id,
             'title': info['name'],
             'formats': formats,
-            'description': info.get('description'),
+            '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'),
+            'uploader_id': info.get('userId') if info.get('userId') != 'None' else None,
             'view_count': info.get('plays'),
         }