aboutsummaryrefslogtreecommitdiff
path: root/youtube_dl/extractor/theplatform.py
blob: 863914299234fb0d7dd279da51c0f0d8c18d6534 (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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
# -*- coding: utf-8 -*-
from __future__ import unicode_literals

import re
import time
import hmac
import binascii
import hashlib


from .once import OnceIE
from ..compat import (
    compat_parse_qs,
    compat_urllib_parse_urlparse,
)
from ..utils import (
    ExtractorError,
    float_or_none,
    int_or_none,
    sanitized_Request,
    unsmuggle_url,
    xpath_with_ns,
    mimetype2ext,
    find_xpath_attr,
)

default_ns = 'http://www.w3.org/2005/SMIL21/Language'
_x = lambda p: xpath_with_ns(p, {'smil': default_ns})


class ThePlatformBaseIE(OnceIE):
    def _extract_theplatform_smil(self, smil_url, video_id, note='Downloading SMIL data'):
        meta = self._download_xml(smil_url, video_id, note=note, query={'format': 'SMIL'})
        error_element = find_xpath_attr(meta, _x('.//smil:ref'), 'src')
        if error_element is not None and error_element.attrib['src'].startswith(
                'http://link.theplatform.com/s/errorFiles/Unavailable.'):
            raise ExtractorError(error_element.attrib['abstract'], expected=True)

        smil_formats = self._parse_smil_formats(
            meta, smil_url, video_id, namespace=default_ns,
            # the parameters are from syfy.com, other sites may use others,
            # they also work for nbc.com
            f4m_params={'g': 'UXWGVKRWHFSP', 'hdcore': '3.0.3'},
            transform_rtmp_url=lambda streamer, src: (streamer, 'mp4:' + src))

        formats = []
        for _format in smil_formats:
            if OnceIE.suitable(_format['url']):
                formats.extend(self._extract_once_formats(_format['url']))
            else:
                formats.append(_format)

        self._sort_formats(formats)

        subtitles = self._parse_smil_subtitles(meta, default_ns)

        return formats, subtitles

    def get_metadata(self, path, video_id):
        info_url = 'http://link.theplatform.com/s/%s?format=preview' % path
        info = self._download_json(info_url, video_id)

        subtitles = {}
        captions = info.get('captions')
        if isinstance(captions, list):
            for caption in captions:
                lang, src, mime = caption.get('lang', 'en'), caption.get('src'), caption.get('type')
                subtitles[lang] = [{
                    'ext': mimetype2ext(mime),
                    'url': src,
                }]

        return {
            'title': info['title'],
            'subtitles': subtitles,
            'description': info['description'],
            'thumbnail': info['defaultThumbnailUrl'],
            'duration': int_or_none(info.get('duration'), 1000),
        }


class ThePlatformIE(ThePlatformBaseIE):
    _VALID_URL = r'''(?x)
        (?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P<provider_id>[^/]+)/
           (?:(?P<media>(?:(?:[^/]+/)+select/)?media/)|(?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/))?
         |theplatform:)(?P<id>[^/\?&]+)'''

    _TESTS = [{
        # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
        'url': 'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
        'info_dict': {
            'id': 'e9I_cZgTgIPd',
            'ext': 'flv',
            'title': 'Blackberry\'s big, bold Z30',
            'description': 'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
            'duration': 247,
        },
        'params': {
            # rtmp download
            'skip_download': True,
        },
    }, {
        # from http://www.cnet.com/videos/tesla-model-s-a-second-step-towards-a-cleaner-motoring-future/
        'url': 'http://link.theplatform.com/s/kYEXFC/22d_qsQ6MIRT',
        'info_dict': {
            'id': '22d_qsQ6MIRT',
            'ext': 'flv',
            'description': 'md5:ac330c9258c04f9d7512cf26b9595409',
            'title': 'Tesla Model S: A second step towards a cleaner motoring future',
        },
        'params': {
            # rtmp download
            'skip_download': True,
        }
    }, {
        'url': 'https://player.theplatform.com/p/D6x-PC/pulse_preview/embed/select/media/yMBg9E8KFxZD',
        'info_dict': {
            'id': 'yMBg9E8KFxZD',
            'ext': 'mp4',
            'description': 'md5:644ad9188d655b742f942bf2e06b002d',
            'title': 'HIGHLIGHTS: USA bag first ever series Cup win',
        }
    }, {
        'url': 'http://player.theplatform.com/p/NnzsPC/widget/select/media/4Y0TlYUr_ZT7',
        'only_matching': True,
    }, {
        'url': 'http://player.theplatform.com/p/2E2eJC/nbcNewsOffsite?guid=tdy_or_siri_150701',
        'md5': 'fb96bb3d85118930a5b055783a3bd992',
        'info_dict': {
            'id': 'tdy_or_siri_150701',
            'ext': 'mp4',
            'title': 'iPhone Siri’s sassy response to a math question has people talking',
            'description': 'md5:a565d1deadd5086f3331d57298ec6333',
            'duration': 83.0,
            'thumbnail': 're:^https?://.*\.jpg$',
            'timestamp': 1435752600,
            'upload_date': '20150701',
        },
    }, {
        # From http://www.nbc.com/the-blacklist/video/sir-crispin-crandall/2928790?onid=137781#vc137781=1
        # geo-restricted (US), HLS encrypted with AES-128
        'url': 'http://player.theplatform.com/p/NnzsPC/onsite_universal/select/media/guid/2410887629/2928790?fwsitesection=nbc_the_blacklist_video_library&autoPlay=true&carouselID=137781',
        'only_matching': True,
    }]

    @staticmethod
    def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
        flags = '10' if include_qs else '00'
        expiration_date = '%x' % (int(time.time()) + life)

        def str_to_hex(str):
            return binascii.b2a_hex(str.encode('ascii')).decode('ascii')

        def hex_to_str(hex):
            return binascii.a2b_hex(hex)

        relative_path = url.split('http://link.theplatform.com/s/')[1].split('?')[0]
        clear_text = hex_to_str(flags + expiration_date + str_to_hex(relative_path))
        checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
        sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
        return '%s&sig=%s' % (url, sig)

    def _real_extract(self, url):
        url, smuggled_data = unsmuggle_url(url, {})

        mobj = re.match(self._VALID_URL, url)
        provider_id = mobj.group('provider_id')
        video_id = mobj.group('id')

        if not provider_id:
            provider_id = 'dJ5BDC'

        path = provider_id
        if mobj.group('media'):
            path += '/media'
        path += '/' + video_id

        qs_dict = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
        if 'guid' in qs_dict:
            webpage = self._download_webpage(url, video_id)
            scripts = re.findall(r'<script[^>]+src="([^"]+)"', webpage)
            feed_id = None
            # feed id usually locates in the last script.
            # Seems there's no pattern for the interested script filename, so
            # I try one by one
            for script in reversed(scripts):
                feed_script = self._download_webpage(
                    self._proto_relative_url(script, 'http:'),
                    video_id, 'Downloading feed script')
                feed_id = self._search_regex(
                    r'defaultFeedId\s*:\s*"([^"]+)"', feed_script,
                    'default feed id', default=None)
                if feed_id is not None:
                    break
            if feed_id is None:
                raise ExtractorError('Unable to find feed id')
            return self.url_result('http://feed.theplatform.com/f/%s/%s?byGuid=%s' % (
                provider_id, feed_id, qs_dict['guid'][0]))

        if smuggled_data.get('force_smil_url', False):
            smil_url = url
        # Explicitly specified SMIL (see https://github.com/rg3/youtube-dl/issues/7385)
        elif '/guid/' in url:
            headers = {}
            source_url = smuggled_data.get('source_url')
            if source_url:
                headers['Referer'] = source_url
            request = sanitized_Request(url, headers=headers)
            webpage = self._download_webpage(request, video_id)
            smil_url = self._search_regex(
                r'<link[^>]+href=(["\'])(?P<url>.+?)\1[^>]+type=["\']application/smil\+xml',
                webpage, 'smil url', group='url')
            path = self._search_regex(
                r'link\.theplatform\.com/s/((?:[^/?#&]+/)+[^/?#&]+)', smil_url, 'path')
            smil_url += '?' if '?' not in smil_url else '&' + 'formats=m3u,mpeg4'
        elif mobj.group('config'):
            config_url = url + '&form=json'
            config_url = config_url.replace('swf/', 'config/')
            config_url = config_url.replace('onsite/', 'onsite/config/')
            config = self._download_json(config_url, video_id, 'Downloading config')
            if 'releaseUrl' in config:
                release_url = config['releaseUrl']
            else:
                release_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
            smil_url = release_url + '&formats=MPEG4&manifest=f4m'
        else:
            smil_url = 'http://link.theplatform.com/s/%s?mbr=true' % path

        sig = smuggled_data.get('sig')
        if sig:
            smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])

        formats, subtitles = self._extract_theplatform_smil(smil_url, video_id)

        ret = self.get_metadata(path, video_id)
        combined_subtitles = self._merge_subtitles(ret.get('subtitles', {}), subtitles)
        ret.update({
            'id': video_id,
            'formats': formats,
            'subtitles': combined_subtitles,
        })

        return ret


class ThePlatformFeedIE(ThePlatformBaseIE):
    _URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&byGuid=%s'
    _VALID_URL = r'https?://feed\.theplatform\.com/f/(?P<provider_id>[^/]+)/(?P<feed_id>[^?/]+)\?(?:[^&]+&)*byGuid=(?P<id>[a-zA-Z0-9_]+)'
    _TEST = {
        # From http://player.theplatform.com/p/7wvmTC/MSNBCEmbeddedOffSite?guid=n_hardball_5biden_140207
        'url': 'http://feed.theplatform.com/f/7wvmTC/msnbc_video-p-test?form=json&pretty=true&range=-40&byGuid=n_hardball_5biden_140207',
        'md5': '6e32495b5073ab414471b615c5ded394',
        'info_dict': {
            'id': 'n_hardball_5biden_140207',
            'ext': 'mp4',
            'title': 'The Biden factor: will Joe run in 2016?',
            'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.',
            'thumbnail': 're:^https?://.*\.jpg$',
            'upload_date': '20140208',
            'timestamp': 1391824260,
            'duration': 467.0,
            'categories': ['MSNBC/Issues/Democrats', 'MSNBC/Issues/Elections/Election 2016'],
        },
    }

    def _real_extract(self, url):
        mobj = re.match(self._VALID_URL, url)

        video_id = mobj.group('id')
        provider_id = mobj.group('provider_id')
        feed_id = mobj.group('feed_id')

        real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, video_id)
        feed = self._download_json(real_url, video_id)
        entry = feed['entries'][0]

        formats = []
        subtitles = {}
        first_video_id = None
        duration = None
        for item in entry['media$content']:
            smil_url = item['plfile$url'] + '&mbr=true'
            cur_video_id = ThePlatformIE._match_id(smil_url)
            if first_video_id is None:
                first_video_id = cur_video_id
                duration = float_or_none(item.get('plfile$duration'))
            cur_formats, cur_subtitles = self._extract_theplatform_smil(smil_url, video_id, 'Downloading SMIL data for %s' % cur_video_id)
            formats.extend(cur_formats)
            subtitles = self._merge_subtitles(subtitles, cur_subtitles)

        self._sort_formats(formats)

        thumbnails = [{
            'url': thumbnail['plfile$url'],
            'width': int_or_none(thumbnail.get('plfile$width')),
            'height': int_or_none(thumbnail.get('plfile$height')),
        } for thumbnail in entry.get('media$thumbnails', [])]

        timestamp = int_or_none(entry.get('media$availableDate'), scale=1000)
        categories = [item['media$name'] for item in entry.get('media$categories', [])]

        ret = self.get_metadata('%s/%s' % (provider_id, first_video_id), video_id)
        subtitles = self._merge_subtitles(subtitles, ret['subtitles'])
        ret.update({
            'id': video_id,
            'formats': formats,
            'subtitles': subtitles,
            'thumbnails': thumbnails,
            'duration': duration,
            'timestamp': timestamp,
            'categories': categories,
        })

        return ret