373 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			373 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # -*- coding: utf-8 -*-
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| from __future__ import unicode_literals
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| 
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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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| 
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| 
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| from .once import OnceIE
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| from .adobepass import AdobePassIE
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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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|     float_or_none,
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|     int_or_none,
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|     sanitized_Request,
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|     unsmuggle_url,
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|     update_url_query,
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|     xpath_with_ns,
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|     mimetype2ext,
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|     find_xpath_attr,
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| )
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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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| 
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| 
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| class ThePlatformBaseIE(OnceIE):
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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, query={'format': 'SMIL'})
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|         error_element = find_xpath_attr(meta, _x('.//smil:ref'), 'src')
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|         if error_element is not None and error_element.attrib['src'].startswith(
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|                 'http://link.theplatform.com/s/errorFiles/Unavailable.'):
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|             raise ExtractorError(error_element.attrib['abstract'], expected=True)
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| 
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|         smil_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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| 
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|         formats = []
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|         for _format in smil_formats:
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|             if OnceIE.suitable(_format['url']):
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|                 formats.extend(self._extract_once_formats(_format['url']))
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|             else:
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|                 media_url = _format['url']
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|                 if determine_ext(media_url) == 'm3u8':
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|                     hdnea2 = self._get_cookies(media_url).get('hdnea2')
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|                     if hdnea2:
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|                         _format['url'] = update_url_query(media_url, {'hdnea3': hdnea2.value})
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| 
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|                 formats.append(_format)
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| 
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|         subtitles = self._parse_smil_subtitles(meta, default_ns)
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| 
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|         return formats, subtitles
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| 
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|     def _download_theplatform_metadata(self, path, video_id):
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|         info_url = 'http://link.theplatform.com/s/%s?format=preview' % path
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|         return self._download_json(info_url, video_id)
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| 
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|     def _parse_theplatform_metadata(self, info):
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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.setdefault(lang, []).append({
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|                     'ext': mimetype2ext(mime),
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|                     'url': src,
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|                 })
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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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|             'timestamp': int_or_none(info.get('pubDate'), 1000) or None,
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|             'uploader': info.get('billingCode'),
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|         }
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| 
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|     def _extract_theplatform_metadata(self, path, video_id):
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|         info = self._download_theplatform_metadata(path, video_id)
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|         return self._parse_theplatform_metadata(info)
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| 
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| 
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| class ThePlatformIE(ThePlatformBaseIE, AdobePassIE):
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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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|            (?:(?:(?:[^/]+/)+select/)?(?P<media>media/(?:guid/\d+/)?)|(?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/))?
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|          |theplatform:)(?P<id>[^/\?&]+)'''
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| 
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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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|             'timestamp': 1383239700,
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|             'upload_date': '20131031',
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|             'uploader': 'CBSI-NEW',
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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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|             'timestamp': 1426176191,
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|             'upload_date': '20150312',
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|             'uploader': 'CBSI-NEW',
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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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|             'uploader': 'EGSM',
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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': 'fb96bb3d85118930a5b055783a3bd992',
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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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|             'uploader': 'NBCU-NEWS',
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|         },
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|     }, {
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|         # From http://www.nbc.com/the-blacklist/video/sir-crispin-crandall/2928790?onid=137781#vc137781=1
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|         # geo-restricted (US), HLS encrypted with AES-128
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|         'url': 'http://player.theplatform.com/p/NnzsPC/onsite_universal/select/media/guid/2410887629/2928790?fwsitesection=nbc_the_blacklist_video_library&autoPlay=true&carouselID=137781',
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|         'only_matching': True,
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|     }]
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| 
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|     @classmethod
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|     def _extract_urls(cls, webpage):
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|         m = re.search(
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|             r'''(?x)
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|                     <meta\s+
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|                         property=(["'])(?:og:video(?::(?:secure_)?url)?|twitter:player)\1\s+
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|                         content=(["'])(?P<url>https?://player\.theplatform\.com/p/.+?)\2
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|             ''', webpage)
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|         if m:
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|             return [m.group('url')]
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| 
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|         matches = re.findall(
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|             r'<(?:iframe|script)[^>]+src=(["\'])((?:https?:)?//player\.theplatform\.com/p/.+?)\1', webpage)
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|         if matches:
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|             return list(zip(*matches))[1]
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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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| 
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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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| 
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|         def hex_to_bytes(hex):
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|             return binascii.a2b_hex(hex.encode('ascii'))
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| 
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|         relative_path = re.match(r'https?://link.theplatform.com/s/([^?]+)', url).group(1)
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|         clear_text = hex_to_bytes(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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| 
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|     def _real_extract(self, url):
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|         url, smuggled_data = unsmuggle_url(url, {})
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| 
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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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| 
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|         if not provider_id:
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|             provider_id = 'dJ5BDC'
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| 
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|         path = provider_id + '/'
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|         if mobj.group('media'):
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|             path += mobj.group('media')
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|         path += video_id
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| 
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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(
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|                     self._proto_relative_url(script, 'http:'),
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|                     video_id, 'Downloading feed script')
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|                 feed_id = self._search_regex(
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|                     r'defaultFeedId\s*:\s*"([^"]+)"', feed_script,
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|                     '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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| 
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|         if smuggled_data.get('force_smil_url', False):
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|             smil_url = url
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|         # Explicitly specified SMIL (see https://github.com/rg3/youtube-dl/issues/7385)
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|         elif '/guid/' in url:
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|             headers = {}
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|             source_url = smuggled_data.get('source_url')
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|             if source_url:
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|                 headers['Referer'] = source_url
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|             request = sanitized_Request(url, headers=headers)
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|             webpage = self._download_webpage(request, video_id)
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|             smil_url = self._search_regex(
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|                 r'<link[^>]+href=(["\'])(?P<url>.+?)\1[^>]+type=["\']application/smil\+xml',
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|                 webpage, 'smil url', group='url')
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|             path = self._search_regex(
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|                 r'link\.theplatform\.com/s/((?:[^/?#&]+/)+[^/?#&]+)', smil_url, 'path')
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|             smil_url += '?' if '?' not in smil_url else '&' + 'formats=m3u,mpeg4'
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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 + '&formats=MPEG4&manifest=f4m'
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|         else:
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|             smil_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
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| 
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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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| 
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|         formats, subtitles = self._extract_theplatform_smil(smil_url, video_id)
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|         self._sort_formats(formats)
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| 
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|         ret = self._extract_theplatform_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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| 
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|         return ret
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| 
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| 
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| class ThePlatformFeedIE(ThePlatformBaseIE):
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|     _URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&%s'
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|     _VALID_URL = r'https?://feed\.theplatform\.com/f/(?P<provider_id>[^/]+)/(?P<feed_id>[^?/]+)\?(?:[^&]+&)*(?P<filter>by(?:Gui|I)d=(?P<id>[\w-]+))'
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|     _TESTS = [{
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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': '6e32495b5073ab414471b615c5ded394',
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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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|             'uploader': 'NBCU-NEWS',
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|         },
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|     }]
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| 
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|     def _extract_feed_info(self, provider_id, feed_id, filter_query, video_id, custom_fields=None, asset_types_query={}):
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|         real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, filter_query)
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|         entry = self._download_json(real_url, video_id)['entries'][0]
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| 
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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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|         asset_types = []
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|         for item in entry['media$content']:
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|             smil_url = item['plfile$url']
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|             cur_video_id = ThePlatformIE._match_id(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$duration'))
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|             for asset_type in item['plfile$assetTypes']:
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|                 if asset_type in asset_types:
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|                     continue
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|                 asset_types.append(asset_type)
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|                 query = {
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|                     'mbr': 'true',
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|                     'formats': item['plfile$format'],
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|                     'assetTypes': asset_type,
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|                 }
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|                 if asset_type in asset_types_query:
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|                     query.update(asset_types_query[asset_type])
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|                 cur_formats, cur_subtitles = self._extract_theplatform_smil(update_url_query(
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|                     smil_url, query), video_id, 'Downloading SMIL data for %s' % asset_type)
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|                 formats.extend(cur_formats)
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|                 subtitles = self._merge_subtitles(subtitles, cur_subtitles)
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| 
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|         self._sort_formats(formats)
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| 
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|         thumbnails = [{
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|             'url': thumbnail['plfile$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$thumbnails', [])]
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| 
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|         timestamp = int_or_none(entry.get('media$availableDate'), scale=1000)
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|         categories = [item['media$name'] for item in entry.get('media$categories', [])]
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| 
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|         ret = self._extract_theplatform_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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|         if custom_fields:
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|             ret.update(custom_fields(entry))
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| 
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|         return ret
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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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| 
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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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|         filter_query = mobj.group('filter')
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| 
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|         return self._extract_feed_info(provider_id, feed_id, filter_query, video_id)
 |