aboutsummaryrefslogtreecommitdiff
path: root/youtube_dl/extractor/kaltura.py
blob: 1eaa09fea0e6528656c1596cc65a0df8df14e640 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
# coding: utf-8
from __future__ import unicode_literals

import re
import base64

from .common import InfoExtractor
from ..compat import (
    compat_urllib_parse,
    compat_urlparse,
)
from ..utils import (
    ExtractorError,
    int_or_none,
    unsmuggle_url,
)


class KalturaIE(InfoExtractor):
    _VALID_URL = r'''(?x)
                (?:
                    kaltura:(?P<partner_id_s>\d+):(?P<id_s>[0-9a-z_]+)|
                    https?://
                        (:?(?:www|cdnapi(?:sec)?)\.)?kaltura\.com/
                        (?:
                            (?:
                                # flash player
                                index\.php/kwidget/
                                (?:[^/]+/)*?wid/_(?P<partner_id>\d+)/
                                (?:[^/]+/)*?entry_id/(?P<id>[0-9a-z_]+)|
                                # html5 player
                                html5/html5lib/
                                (?:[^/]+/)*?entry_id/(?P<id_html5>[0-9a-z_]+)
                                .*\?.*\bwid=_(?P<partner_id_html5>\d+)
                            )
                        )
                )
                '''
    _API_BASE = 'http://cdnapi.kaltura.com/api_v3/index.php?'
    _TESTS = [
        {
            'url': 'kaltura:269692:1_1jc2y3e4',
            'md5': '3adcbdb3dcc02d647539e53f284ba171',
            'info_dict': {
                'id': '1_1jc2y3e4',
                'ext': 'mp4',
                'title': 'Track 4',
                '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,
        }
    ]

    def _kaltura_api_call(self, video_id, actions, *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)

        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_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)
        actions = [
            {
                'action': 'null',
                'apiVersion': '3.1.5',
                'clientTag': 'kdp:v3.8.5',
                'format': 1,  # JSON, 2 = XML, 3 = PHP
                'service': 'multirequest',
                'ks': signature,
            },
            {
                'action': 'get',
                'entryId': video_id,
                'service': 'baseentry',
                'version': '-1',
            },
            {
                'action': 'getContextData',
                'contextDataParams:objectType': 'KalturaEntryContextDataParams',
                'contextDataParams:referrer': 'http://www.kaltura.com/',
                'contextDataParams:streamerType': 'http',
                'entryId': video_id,
                'service': 'baseentry',
            },
        ]
        return self._kaltura_api_call(
            video_id, actions, 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 = mobj.group('partner_id_s') or mobj.group('partner_id') or mobj.group('partner_id_html5')
        entry_id = mobj.group('id_s') or mobj.group('id') or mobj.group('id_html5')

        info, source_data = self._get_video_info(entry_id, partner_id)

        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

        formats = []
        for f in source_data['flavorAssets']:
            video_url = '%s/flavorId/%s' % (info['dataUrl'], f['id'])
            if referrer:
                video_url += '?referrer=%s' % referrer
            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': f.get('videoCodecId'),
                'height': int_or_none(f.get('height')),
                'width': int_or_none(f.get('width')),
                'url': video_url,
            })
        self._check_formats(formats, entry_id)
        self._sort_formats(formats)

        return {
            'id': entry_id,
            'title': info['name'],
            'formats': formats,
            'description': info.get('description'),
            'thumbnail': info.get('thumbnailUrl'),
            'duration': info.get('duration'),
            'timestamp': info.get('createdAt'),
            'uploader_id': info.get('userId'),
            'view_count': info.get('plays'),
        }