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			412 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			412 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import re
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| import json
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| 
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| from .common import InfoExtractor
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| from ..compat import (
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|     compat_str,
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|     compat_urlparse,
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| )
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| from ..utils import (
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|     ExtractorError,
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|     float_or_none,
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|     mimetype2ext,
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|     str_or_none,
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|     try_call,
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|     try_get,
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|     smuggle_url,
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|     unsmuggle_url,
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|     url_or_none,
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|     urljoin,
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| )
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| 
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| 
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| _ID_RE = r'(?:[0-9a-f]{32,34}|[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12,14})'
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| 
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| 
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| class MediasiteIE(InfoExtractor):
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|     _VALID_URL = r'(?xi)https?://[^/]+/Mediasite/(?:Play|Showcase/[^/#?]+/Presentation)/(?P<id>%s)(?P<query>\?[^#]+|)' % _ID_RE
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|     _EMBED_REGEX = [r'(?xi)<iframe\b[^>]+\bsrc=(["\'])(?P<url>(?:(?:https?:)?//[^/]+)?/Mediasite/Play/%s(?:\?.*?)?)\1' % _ID_RE]
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|     _TESTS = [
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|         {
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|             'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271681e4f199af3c60d1f82869b1d',
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|             'info_dict': {
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|                 'id': '2db6c271681e4f199af3c60d1f82869b1d',
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|                 'ext': 'mp4',
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|                 'title': 'Lecture: Tuesday, September 20, 2016 - Sir Andrew Wiles',
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|                 'description': 'Sir Andrew Wiles: “Equations in arithmetic”\\n\\nI will describe some of the interactions between modern number theory and the problem of solving equations in rational numbers or integers\\u0027.',
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|                 'timestamp': 1474268400.0,
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|                 'upload_date': '20160919',
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|             },
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|         },
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|         {
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|             'url': 'http://mediasite.uib.no/Mediasite/Play/90bb363295d945d6b548c867d01181361d?catalog=a452b7df-9ae1-46b7-a3ba-aceeb285f3eb',
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|             'info_dict': {
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|                 'id': '90bb363295d945d6b548c867d01181361d',
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|                 'ext': 'mp4',
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|                 'upload_date': '20150429',
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|                 'title': '5) IT-forum 2015-Dag 1  - Dungbeetle -  How and why Rain created a tiny bug tracker for Unity',
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|                 'timestamp': 1430311380.0,
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|             },
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|         },
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|         {
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|             'url': 'https://collegerama.tudelft.nl/Mediasite/Play/585a43626e544bdd97aeb71a0ec907a01d',
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|             'md5': '481fda1c11f67588c0d9d8fbdced4e39',
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|             'info_dict': {
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|                 'id': '585a43626e544bdd97aeb71a0ec907a01d',
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|                 'ext': 'mp4',
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|                 'title': 'Een nieuwe wereld: waarden, bewustzijn en techniek van de mensheid 2.0.',
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|                 'description': '',
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|                 'thumbnail': r're:^https?://.*\.jpg(?:\?.*)?$',
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|                 'duration': 7713.088,
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|                 'timestamp': 1413309600,
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|                 'upload_date': '20141014',
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|             },
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|         },
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|         {
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|             'url': 'https://collegerama.tudelft.nl/Mediasite/Play/86a9ea9f53e149079fbdb4202b521ed21d?catalog=fd32fd35-6c99-466c-89d4-cd3c431bc8a4',
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|             'md5': 'ef1fdded95bdf19b12c5999949419c92',
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|             'info_dict': {
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|                 'id': '86a9ea9f53e149079fbdb4202b521ed21d',
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|                 'ext': 'wmv',
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|                 'title': '64ste Vakantiecursus: Afvalwater',
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|                 'description': 'md5:7fd774865cc69d972f542b157c328305',
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|                 'thumbnail': r're:^https?://.*\.jpg(?:\?.*?)?$',
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|                 'duration': 10853,
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|                 'timestamp': 1326446400,
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|                 'upload_date': '20120113',
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|             },
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|         },
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|         {
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|             'url': 'http://digitalops.sandia.gov/Mediasite/Play/24aace4429fc450fb5b38cdbf424a66e1d',
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|             'md5': '9422edc9b9a60151727e4b6d8bef393d',
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|             'info_dict': {
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|                 'id': '24aace4429fc450fb5b38cdbf424a66e1d',
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|                 'ext': 'mp4',
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|                 'title': 'Xyce Software Training - Section 1',
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|                 'description': r're:(?s)SAND Number: SAND 2013-7800.{200,}',
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|                 'upload_date': '20120409',
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|                 'timestamp': 1333983600,
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|                 'duration': 7794,
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|             }
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|         },
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|         {
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|             'url': 'https://collegerama.tudelft.nl/Mediasite/Showcase/livebroadcast/Presentation/ada7020854f743c49fbb45c9ec7dbb351d',
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|             'only_matching': True,
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|         },
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|         {
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|             'url': 'https://mediasite.ntnu.no/Mediasite/Showcase/default/Presentation/7d8b913259334b688986e970fae6fcb31d',
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|             'only_matching': True,
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|         },
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|         {
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|             # dashed id
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|             'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271-681e-4f19-9af3-c60d1f82869b1d',
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|             'only_matching': True,
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|         }
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|     ]
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| 
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|     # look in Mediasite.Core.js (Mediasite.ContentStreamType[*])
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|     _STREAM_TYPES = {
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|         0: 'video1',  # the main video
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|         2: 'slide',
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|         3: 'presentation',
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|         4: 'video2',  # screencast?
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|         5: 'video3',
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|     }
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| 
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|     @classmethod
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|     def _extract_embed_urls(cls, url, webpage):
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|         for embed_url in super()._extract_embed_urls(url, webpage):
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|             yield smuggle_url(embed_url, {'UrlReferrer': url})
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| 
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|     def __extract_slides(self, *, stream_id, snum, Stream, duration, images):
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|         slide_base_url = Stream['SlideBaseUrl']
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| 
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|         fname_template = Stream['SlideImageFileNameTemplate']
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|         if fname_template != 'slide_{0:D4}.jpg':
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|             self.report_warning('Unusual slide file name template; report a bug if slide downloading fails')
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|         fname_template = re.sub(r'\{0:D([0-9]+)\}', r'{0:0\1}', fname_template)
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| 
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|         fragments = []
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|         for i, slide in enumerate(Stream['Slides']):
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|             if i == 0:
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|                 if slide['Time'] > 0:
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|                     default_slide = images.get('DefaultSlide')
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|                     if default_slide is None:
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|                         default_slide = images.get('DefaultStreamImage')
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|                     if default_slide is not None:
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|                         default_slide = default_slide['ImageFilename']
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|                     if default_slide is not None:
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|                         fragments.append({
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|                             'path': default_slide,
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|                             'duration': slide['Time'] / 1000,
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|                         })
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| 
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|             next_time = try_call(
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|                 lambda: Stream['Slides'][i + 1]['Time'],
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|                 lambda: duration,
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|                 lambda: slide['Time'],
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|                 expected_type=(int, float))
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| 
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|             fragments.append({
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|                 'path': fname_template.format(slide.get('Number', i + 1)),
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|                 'duration': (next_time - slide['Time']) / 1000
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|             })
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| 
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|         return {
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|             'format_id': '%s-%u.slides' % (stream_id, snum),
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|             'ext': 'mhtml',
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|             'url': slide_base_url,
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|             'protocol': 'mhtml',
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|             'acodec': 'none',
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|             'vcodec': 'none',
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|             'format_note': 'Slides',
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|             'fragments': fragments,
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|             'fragment_base_url': slide_base_url,
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|         }
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| 
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|     def _real_extract(self, url):
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|         url, data = unsmuggle_url(url, {})
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|         mobj = self._match_valid_url(url)
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|         resource_id = mobj.group('id')
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|         query = mobj.group('query')
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| 
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|         webpage, urlh = self._download_webpage_handle(url, resource_id)  # XXX: add UrlReferrer?
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|         redirect_url = urlh.geturl()
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| 
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|         # XXX: might have also extracted UrlReferrer and QueryString from the html
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|         service_path = compat_urlparse.urljoin(redirect_url, self._html_search_regex(
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|             r'<div[^>]+\bid=["\']ServicePath[^>]+>(.+?)</div>', webpage, resource_id,
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|             default='/Mediasite/PlayerService/PlayerService.svc/json'))
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| 
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|         player_options = self._download_json(
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|             '%s/GetPlayerOptions' % service_path, resource_id,
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|             headers={
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|                 'Content-type': 'application/json; charset=utf-8',
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|                 'X-Requested-With': 'XMLHttpRequest',
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|             },
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|             data=json.dumps({
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|                 'getPlayerOptionsRequest': {
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|                     'ResourceId': resource_id,
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|                     'QueryString': query,
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|                     'UrlReferrer': data.get('UrlReferrer', ''),
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|                     'UseScreenReader': False,
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|                 }
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|             }).encode('utf-8'))['d']
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| 
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|         presentation = player_options['Presentation']
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|         title = presentation['Title']
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| 
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|         if presentation is None:
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|             raise ExtractorError(
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|                 'Mediasite says: %s' % player_options['PlayerPresentationStatusMessage'],
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|                 expected=True)
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| 
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|         thumbnails = []
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|         formats = []
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|         for snum, Stream in enumerate(presentation['Streams']):
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|             stream_type = Stream.get('StreamType')
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|             if stream_type is None:
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|                 continue
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| 
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|             video_urls = Stream.get('VideoUrls')
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|             if not isinstance(video_urls, list):
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|                 video_urls = []
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| 
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|             stream_id = self._STREAM_TYPES.get(
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|                 stream_type, 'type%u' % stream_type)
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| 
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|             stream_formats = []
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|             for unum, VideoUrl in enumerate(video_urls):
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|                 video_url = url_or_none(VideoUrl.get('Location'))
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|                 if not video_url:
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|                     continue
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|                 # XXX: if Stream.get('CanChangeScheme', False), switch scheme to HTTP/HTTPS
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| 
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|                 media_type = VideoUrl.get('MediaType')
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|                 if media_type == 'SS':
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|                     stream_formats.extend(self._extract_ism_formats(
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|                         video_url, resource_id,
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|                         ism_id='%s-%u.%u' % (stream_id, snum, unum),
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|                         fatal=False))
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|                 elif media_type == 'Dash':
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|                     stream_formats.extend(self._extract_mpd_formats(
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|                         video_url, resource_id,
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|                         mpd_id='%s-%u.%u' % (stream_id, snum, unum),
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|                         fatal=False))
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|                 else:
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|                     stream_formats.append({
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|                         'format_id': '%s-%u.%u' % (stream_id, snum, unum),
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|                         'url': video_url,
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|                         'ext': mimetype2ext(VideoUrl.get('MimeType')),
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|                     })
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| 
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|             if Stream.get('HasSlideContent', False):
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|                 images = player_options['PlayerLayoutOptions']['Images']
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|                 stream_formats.append(self.__extract_slides(
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|                     stream_id=stream_id,
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|                     snum=snum,
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|                     Stream=Stream,
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|                     duration=presentation.get('Duration'),
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|                     images=images,
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|                 ))
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| 
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|             # disprefer 'secondary' streams
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|             if stream_type != 0:
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|                 for fmt in stream_formats:
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|                     fmt['quality'] = -10
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| 
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|             thumbnail_url = Stream.get('ThumbnailUrl')
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|             if thumbnail_url:
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|                 thumbnails.append({
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|                     'id': '%s-%u' % (stream_id, snum),
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|                     'url': urljoin(redirect_url, thumbnail_url),
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|                     'preference': -1 if stream_type != 0 else 0,
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|                 })
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|             formats.extend(stream_formats)
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| 
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|         # XXX: Presentation['Presenters']
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|         # XXX: Presentation['Transcript']
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| 
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|         return {
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|             'id': resource_id,
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|             'title': title,
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|             'description': presentation.get('Description'),
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|             'duration': float_or_none(presentation.get('Duration'), 1000),
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|             'timestamp': float_or_none(presentation.get('UnixTime'), 1000),
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|             'formats': formats,
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|             'thumbnails': thumbnails,
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|         }
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| 
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| 
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| class MediasiteCatalogIE(InfoExtractor):
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|     _VALID_URL = r'''(?xi)
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|                         (?P<url>https?://[^/]+/Mediasite)
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|                         /Catalog/Full/
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|                         (?P<catalog_id>{0})
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|                         (?:
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|                             /(?P<current_folder_id>{0})
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|                             /(?P<root_dynamic_folder_id>{0})
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|                         )?
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|                     '''.format(_ID_RE)
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|     _TESTS = [{
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|         'url': 'http://events7.mediasite.com/Mediasite/Catalog/Full/631f9e48530d454381549f955d08c75e21',
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|         'info_dict': {
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|             'id': '631f9e48530d454381549f955d08c75e21',
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|             'title': 'WCET Summit: Adaptive Learning in Higher Ed: Improving Outcomes Dynamically',
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|         },
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|         'playlist_count': 6,
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|         'expected_warnings': ['is not a supported codec'],
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|     }, {
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|         # with CurrentFolderId and RootDynamicFolderId
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|         'url': 'https://medaudio.medicine.iu.edu/Mediasite/Catalog/Full/9518c4a6c5cf4993b21cbd53e828a92521/97a9db45f7ab47428c77cd2ed74bb98f14/9518c4a6c5cf4993b21cbd53e828a92521',
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|         'info_dict': {
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|             'id': '9518c4a6c5cf4993b21cbd53e828a92521',
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|             'title': 'IUSM Family and Friends Sessions',
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|         },
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|         'playlist_count': 2,
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|     }, {
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|         'url': 'http://uipsyc.mediasite.com/mediasite/Catalog/Full/d5d79287c75243c58c50fef50174ec1b21',
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|         'only_matching': True,
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|     }, {
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|         # no AntiForgeryToken
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|         'url': 'https://live.libraries.psu.edu/Mediasite/Catalog/Full/8376d4b24dd1457ea3bfe4cf9163feda21',
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|         'only_matching': True,
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|     }, {
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|         'url': 'https://medaudio.medicine.iu.edu/Mediasite/Catalog/Full/9518c4a6c5cf4993b21cbd53e828a92521/97a9db45f7ab47428c77cd2ed74bb98f14/9518c4a6c5cf4993b21cbd53e828a92521',
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|         'only_matching': True,
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|     }, {
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|         # dashed id
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|         'url': 'http://events7.mediasite.com/Mediasite/Catalog/Full/631f9e48-530d-4543-8154-9f955d08c75e',
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|         'only_matching': True,
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|     }]
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| 
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|     def _real_extract(self, url):
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|         mobj = self._match_valid_url(url)
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|         mediasite_url = mobj.group('url')
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|         catalog_id = mobj.group('catalog_id')
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|         current_folder_id = mobj.group('current_folder_id') or catalog_id
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|         root_dynamic_folder_id = mobj.group('root_dynamic_folder_id')
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| 
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|         webpage = self._download_webpage(url, catalog_id)
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| 
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|         # AntiForgeryToken is optional (e.g. [1])
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|         # 1. https://live.libraries.psu.edu/Mediasite/Catalog/Full/8376d4b24dd1457ea3bfe4cf9163feda21
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|         anti_forgery_token = self._search_regex(
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|             r'AntiForgeryToken\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
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|             webpage, 'anti forgery token', default=None, group='value')
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|         if anti_forgery_token:
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|             anti_forgery_header = self._search_regex(
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|                 r'AntiForgeryHeaderName\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
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|                 webpage, 'anti forgery header name',
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|                 default='X-SOFO-AntiForgeryHeader', group='value')
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| 
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|         data = {
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|             'IsViewPage': True,
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|             'IsNewFolder': True,
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|             'AuthTicket': None,
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|             'CatalogId': catalog_id,
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|             'CurrentFolderId': current_folder_id,
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|             'RootDynamicFolderId': root_dynamic_folder_id,
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|             'ItemsPerPage': 1000,
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|             'PageIndex': 0,
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|             'PermissionMask': 'Execute',
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|             'CatalogSearchType': 'SearchInFolder',
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|             'SortBy': 'Date',
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|             'SortDirection': 'Descending',
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|             'StartDate': None,
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|             'EndDate': None,
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|             'StatusFilterList': None,
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|             'PreviewKey': None,
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|             'Tags': [],
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|         }
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| 
 | |
|         headers = {
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|             'Content-Type': 'application/json; charset=UTF-8',
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|             'Referer': url,
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|             'X-Requested-With': 'XMLHttpRequest',
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|         }
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|         if anti_forgery_token:
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|             headers[anti_forgery_header] = anti_forgery_token
 | |
| 
 | |
|         catalog = self._download_json(
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|             '%s/Catalog/Data/GetPresentationsForFolder' % mediasite_url,
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|             catalog_id, data=json.dumps(data).encode(), headers=headers)
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| 
 | |
|         entries = []
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|         for video in catalog['PresentationDetailsList']:
 | |
|             if not isinstance(video, dict):
 | |
|                 continue
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|             video_id = str_or_none(video.get('Id'))
 | |
|             if not video_id:
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|                 continue
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|             entries.append(self.url_result(
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|                 '%s/Play/%s' % (mediasite_url, video_id),
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|                 ie=MediasiteIE.ie_key(), video_id=video_id))
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| 
 | |
|         title = try_get(
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|             catalog, lambda x: x['CurrentFolder']['Name'], compat_str)
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| 
 | |
|         return self.playlist_result(entries, catalog_id, title,)
 | |
| 
 | |
| 
 | |
| class MediasiteNamedCatalogIE(InfoExtractor):
 | |
|     _VALID_URL = r'(?xi)(?P<url>https?://[^/]+/Mediasite)/Catalog/catalogs/(?P<catalog_name>[^/?#&]+)'
 | |
|     _TESTS = [{
 | |
|         'url': 'https://msite.misis.ru/Mediasite/Catalog/catalogs/2016-industrial-management-skriabin-o-o',
 | |
|         'only_matching': True,
 | |
|     }]
 | |
| 
 | |
|     def _real_extract(self, url):
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|         mobj = self._match_valid_url(url)
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|         mediasite_url = mobj.group('url')
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|         catalog_name = mobj.group('catalog_name')
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| 
 | |
|         webpage = self._download_webpage(url, catalog_name)
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| 
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|         catalog_id = self._search_regex(
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|             r'CatalogId\s*:\s*["\'](%s)' % _ID_RE, webpage, 'catalog id')
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| 
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|         return self.url_result(
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|             '%s/Catalog/Full/%s' % (mediasite_url, catalog_id),
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|             ie=MediasiteCatalogIE.ie_key(), video_id=catalog_id)
 | 
