295 lines
11 KiB
Python
295 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import re
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import time
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import hmac
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import binascii
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import hashlib
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from .common import InfoExtractor
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from ..compat import (
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compat_parse_qs,
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compat_urllib_parse_urlparse,
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)
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from ..utils import (
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determine_ext,
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ExtractorError,
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xpath_with_ns,
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unsmuggle_url,
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int_or_none,
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url_basename,
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float_or_none,
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)
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default_ns = 'http://www.w3.org/2005/SMIL21/Language'
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_x = lambda p: xpath_with_ns(p, {'smil': default_ns})
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class ThePlatformBaseIE(InfoExtractor):
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def _extract_theplatform_smil(self, smil_url, video_id, note='Downloading SMIL data'):
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meta = self._download_xml(smil_url, video_id, note=note)
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try:
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error_msg = next(
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n.attrib['abstract']
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for n in meta.findall(_x('.//smil:ref'))
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if n.attrib.get('title') == 'Geographic Restriction' or n.attrib.get('title') == 'Expired')
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except StopIteration:
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pass
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else:
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raise ExtractorError(error_msg, expected=True)
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formats = self._parse_smil_formats(
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meta, smil_url, video_id, namespace=default_ns,
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# the parameters are from syfy.com, other sites may use others,
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# they also work for nbc.com
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f4m_params={'g': 'UXWGVKRWHFSP', 'hdcore': '3.0.3'},
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transform_rtmp_url=lambda streamer, src: (streamer, 'mp4:' + src))
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for _format in formats:
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ext = determine_ext(_format['url'])
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if ext == 'once':
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_format['ext'] = 'mp4'
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self._sort_formats(formats)
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subtitles = self._parse_smil_subtitles(meta, default_ns)
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return formats, subtitles
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def get_metadata(self, path, video_id):
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info_url = 'http://link.theplatform.com/s/%s?format=preview' % path
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info = self._download_json(info_url, video_id)
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subtitles = {}
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captions = info.get('captions')
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if isinstance(captions, list):
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for caption in captions:
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lang, src, mime = caption.get('lang', 'en'), caption.get('src'), caption.get('type')
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subtitles[lang] = [{
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'ext': 'srt' if mime == 'text/srt' else 'ttml',
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'url': src,
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}]
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return {
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'title': info['title'],
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'subtitles': subtitles,
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'description': info['description'],
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'thumbnail': info['defaultThumbnailUrl'],
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'duration': int_or_none(info.get('duration'), 1000),
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}
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class ThePlatformIE(ThePlatformBaseIE):
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_VALID_URL = r'''(?x)
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(?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P<provider_id>[^/]+)/
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(?:(?P<media>(?:[^/]+/)+select/media/)|(?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/))?
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|theplatform:)(?P<id>[^/\?&]+)'''
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_TESTS = [{
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# from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
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'url': 'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
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'info_dict': {
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'id': 'e9I_cZgTgIPd',
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'ext': 'flv',
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'title': 'Blackberry\'s big, bold Z30',
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'description': 'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
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'duration': 247,
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},
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'params': {
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# rtmp download
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'skip_download': True,
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},
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}, {
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# from http://www.cnet.com/videos/tesla-model-s-a-second-step-towards-a-cleaner-motoring-future/
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'url': 'http://link.theplatform.com/s/kYEXFC/22d_qsQ6MIRT',
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'info_dict': {
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'id': '22d_qsQ6MIRT',
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'ext': 'flv',
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'description': 'md5:ac330c9258c04f9d7512cf26b9595409',
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'title': 'Tesla Model S: A second step towards a cleaner motoring future',
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},
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'params': {
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# rtmp download
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'skip_download': True,
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}
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}, {
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'url': 'https://player.theplatform.com/p/D6x-PC/pulse_preview/embed/select/media/yMBg9E8KFxZD',
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'info_dict': {
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'id': 'yMBg9E8KFxZD',
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'ext': 'mp4',
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'description': 'md5:644ad9188d655b742f942bf2e06b002d',
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'title': 'HIGHLIGHTS: USA bag first ever series Cup win',
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}
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}, {
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'url': 'http://player.theplatform.com/p/NnzsPC/widget/select/media/4Y0TlYUr_ZT7',
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'only_matching': True,
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}, {
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'url': 'http://player.theplatform.com/p/2E2eJC/nbcNewsOffsite?guid=tdy_or_siri_150701',
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'md5': '734f3790fb5fc4903da391beeebc4836',
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'info_dict': {
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'id': 'tdy_or_siri_150701',
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'ext': 'mp4',
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'title': 'iPhone Siri’s sassy response to a math question has people talking',
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'description': 'md5:a565d1deadd5086f3331d57298ec6333',
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'duration': 83.0,
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'thumbnail': 're:^https?://.*\.jpg$',
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'timestamp': 1435752600,
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'upload_date': '20150701',
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'categories': ['Today/Shows/Orange Room', 'Today/Sections/Money', 'Today/Topics/Tech', "Today/Topics/Editor's picks"],
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},
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}]
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@staticmethod
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def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
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flags = '10' if include_qs else '00'
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expiration_date = '%x' % (int(time.time()) + life)
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def str_to_hex(str):
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return binascii.b2a_hex(str.encode('ascii')).decode('ascii')
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def hex_to_str(hex):
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return binascii.a2b_hex(hex)
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relative_path = url.split('http://link.theplatform.com/s/')[1].split('?')[0]
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clear_text = hex_to_str(flags + expiration_date + str_to_hex(relative_path))
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checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
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sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
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return '%s&sig=%s' % (url, sig)
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def _real_extract(self, url):
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url, smuggled_data = unsmuggle_url(url, {})
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mobj = re.match(self._VALID_URL, url)
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provider_id = mobj.group('provider_id')
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video_id = mobj.group('id')
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if not provider_id:
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provider_id = 'dJ5BDC'
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path = provider_id
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if mobj.group('media'):
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path += '/media'
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path += '/' + video_id
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qs_dict = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
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if 'guid' in qs_dict:
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webpage = self._download_webpage(url, video_id)
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scripts = re.findall(r'<script[^>]+src="([^"]+)"', webpage)
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feed_id = None
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# feed id usually locates in the last script.
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# Seems there's no pattern for the interested script filename, so
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# I try one by one
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for script in reversed(scripts):
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feed_script = self._download_webpage(script, video_id, 'Downloading feed script')
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feed_id = self._search_regex(r'defaultFeedId\s*:\s*"([^"]+)"', feed_script, 'default feed id', default=None)
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if feed_id is not None:
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break
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if feed_id is None:
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raise ExtractorError('Unable to find feed id')
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return self.url_result('http://feed.theplatform.com/f/%s/%s?byGuid=%s' % (
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provider_id, feed_id, qs_dict['guid'][0]))
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if smuggled_data.get('force_smil_url', False):
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smil_url = url
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elif mobj.group('config'):
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config_url = url + '&form=json'
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config_url = config_url.replace('swf/', 'config/')
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config_url = config_url.replace('onsite/', 'onsite/config/')
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config = self._download_json(config_url, video_id, 'Downloading config')
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if 'releaseUrl' in config:
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release_url = config['releaseUrl']
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else:
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release_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
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smil_url = release_url + '&format=SMIL&formats=MPEG4&manifest=f4m'
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else:
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smil_url = 'http://link.theplatform.com/s/%s/meta.smil?format=smil&mbr=true' % path
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sig = smuggled_data.get('sig')
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if sig:
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smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])
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formats, subtitles = self._extract_theplatform_smil(smil_url, video_id)
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ret = self.get_metadata(path, video_id)
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combined_subtitles = self._merge_subtitles(ret.get('subtitles', {}), subtitles)
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ret.update({
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'id': video_id,
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'formats': formats,
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'subtitles': combined_subtitles,
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})
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return ret
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class ThePlatformFeedIE(ThePlatformBaseIE):
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_URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&byGuid=%s'
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_VALID_URL = r'https?://feed\.theplatform\.com/f/(?P<provider_id>[^/]+)/(?P<feed_id>[^?/]+)\?(?:[^&]+&)*byGuid=(?P<id>[a-zA-Z0-9_]+)'
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_TEST = {
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# From http://player.theplatform.com/p/7wvmTC/MSNBCEmbeddedOffSite?guid=n_hardball_5biden_140207
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'url': 'http://feed.theplatform.com/f/7wvmTC/msnbc_video-p-test?form=json&pretty=true&range=-40&byGuid=n_hardball_5biden_140207',
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'md5': '22d2b84f058d3586efcd99e57d59d314',
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'info_dict': {
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'id': 'n_hardball_5biden_140207',
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'ext': 'mp4',
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'title': 'The Biden factor: will Joe run in 2016?',
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'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.',
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'thumbnail': 're:^https?://.*\.jpg$',
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'upload_date': '20140208',
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'timestamp': 1391824260,
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'duration': 467.0,
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'categories': ['MSNBC/Issues/Democrats', 'MSNBC/Issues/Elections/Election 2016'],
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},
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}
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('id')
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provider_id = mobj.group('provider_id')
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feed_id = mobj.group('feed_id')
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real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, video_id)
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feed = self._download_json(real_url, video_id)
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entry = feed['entries'][0]
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formats = []
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subtitles = {}
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first_video_id = None
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duration = None
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for item in entry['media$content']:
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smil_url = item['plfile$url'] + '&format=SMIL&Tracking=true&Embedded=true&formats=MPEG4,F4M'
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cur_video_id = url_basename(smil_url)
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if first_video_id is None:
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first_video_id = cur_video_id
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duration = float_or_none(item.get('plfile$duration'))
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cur_formats, cur_subtitles = self._extract_theplatform_smil(smil_url, video_id, 'Downloading SMIL data for %s' % cur_video_id)
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formats.extend(cur_formats)
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subtitles = self._merge_subtitles(subtitles, cur_subtitles)
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self._sort_formats(formats)
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thumbnails = [{
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'url': thumbnail['plfile$url'],
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'width': int_or_none(thumbnail.get('plfile$width')),
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'height': int_or_none(thumbnail.get('plfile$height')),
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} for thumbnail in entry.get('media$thumbnails', [])]
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timestamp = int_or_none(entry.get('media$availableDate'), scale=1000)
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categories = [item['media$name'] for item in entry.get('media$categories', [])]
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ret = self.get_metadata('%s/%s' % (provider_id, first_video_id), video_id)
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subtitles = self._merge_subtitles(subtitles, ret['subtitles'])
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ret.update({
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'id': video_id,
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'formats': formats,
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'subtitles': subtitles,
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'thumbnails': thumbnails,
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'duration': duration,
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'timestamp': timestamp,
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'categories': categories,
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})
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return ret
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