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-rw-r--r--youtube_dl/extractor/mediasite.py214
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diff --git a/youtube_dl/extractor/mediasite.py b/youtube_dl/extractor/mediasite.py
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+++ b/youtube_dl/extractor/mediasite.py
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+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+import json
+
+from .common import InfoExtractor
+from ..compat import (
+ compat_str,
+ compat_urlparse,
+)
+from ..utils import (
+ ExtractorError,
+ float_or_none,
+ mimetype2ext,
+ unescapeHTML,
+ unsmuggle_url,
+ urljoin,
+)
+
+
+class MediasiteIE(InfoExtractor):
+ _VALID_URL = r'(?xi)https?://[^/]+/Mediasite/Play/(?P<id>[0-9a-f]{32,34})(?P<query>\?[^#]+|)'
+ _TESTS = [
+ {
+ 'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271681e4f199af3c60d1f82869b1d',
+ 'info_dict': {
+ 'id': '2db6c271681e4f199af3c60d1f82869b1d',
+ 'ext': 'mp4',
+ 'title': 'Lecture: Tuesday, September 20, 2016 - Sir Andrew Wiles',
+ '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.',
+ 'timestamp': 1474268400.0,
+ 'upload_date': '20160919',
+ },
+ },
+ {
+ 'url': 'http://mediasite.uib.no/Mediasite/Play/90bb363295d945d6b548c867d01181361d?catalog=a452b7df-9ae1-46b7-a3ba-aceeb285f3eb',
+ 'info_dict': {
+ 'id': '90bb363295d945d6b548c867d01181361d',
+ 'ext': 'mp4',
+ 'upload_date': '20150429',
+ 'title': '5) IT-forum 2015-Dag 1 - Dungbeetle - How and why Rain created a tiny bug tracker for Unity',
+ 'timestamp': 1430311380.0,
+ },
+ },
+ {
+ 'url': 'https://collegerama.tudelft.nl/Mediasite/Play/585a43626e544bdd97aeb71a0ec907a01d',
+ 'md5': '481fda1c11f67588c0d9d8fbdced4e39',
+ 'info_dict': {
+ 'id': '585a43626e544bdd97aeb71a0ec907a01d',
+ 'ext': 'mp4',
+ 'title': 'Een nieuwe wereld: waarden, bewustzijn en techniek van de mensheid 2.0.',
+ 'description': '',
+ 'thumbnail': r're:^https?://.*\.jpg(?:\?.*)?$',
+ 'duration': 7713.088,
+ 'timestamp': 1413309600,
+ 'upload_date': '20141014',
+ },
+ },
+ {
+ 'url': 'https://collegerama.tudelft.nl/Mediasite/Play/86a9ea9f53e149079fbdb4202b521ed21d?catalog=fd32fd35-6c99-466c-89d4-cd3c431bc8a4',
+ 'md5': 'ef1fdded95bdf19b12c5999949419c92',
+ 'info_dict': {
+ 'id': '86a9ea9f53e149079fbdb4202b521ed21d',
+ 'ext': 'wmv',
+ 'title': '64ste Vakantiecursus: Afvalwater',
+ 'description': 'md5:7fd774865cc69d972f542b157c328305',
+ 'thumbnail': r're:^https?://.*\.jpg(?:\?.*?)?$',
+ 'duration': 10853,
+ 'timestamp': 1326446400,
+ 'upload_date': '20120113',
+ },
+ },
+ {
+ 'url': 'http://digitalops.sandia.gov/Mediasite/Play/24aace4429fc450fb5b38cdbf424a66e1d',
+ 'md5': '9422edc9b9a60151727e4b6d8bef393d',
+ 'info_dict': {
+ 'id': '24aace4429fc450fb5b38cdbf424a66e1d',
+ 'ext': 'mp4',
+ 'title': 'Xyce Software Training - Section 1',
+ 'description': r're:(?s)SAND Number: SAND 2013-7800.{200,}',
+ 'upload_date': '20120409',
+ 'timestamp': 1333983600,
+ 'duration': 7794,
+ }
+ }
+ ]
+
+ # look in Mediasite.Core.js (Mediasite.ContentStreamType[*])
+ _STREAM_TYPES = {
+ 0: 'video1', # the main video
+ 2: 'slide',
+ 3: 'presentation',
+ 4: 'video2', # screencast?
+ 5: 'video3',
+ }
+
+ @staticmethod
+ def _extract_urls(webpage):
+ return [
+ unescapeHTML(mobj.group('url'))
+ for mobj in re.finditer(
+ r'(?xi)<iframe\b[^>]+\bsrc=(["\'])(?P<url>(?:(?:https?:)?//[^/]+)?/Mediasite/Play/[0-9a-f]{32,34}(?:\?.*?)?)\1',
+ webpage)]
+
+ def _real_extract(self, url):
+ url, data = unsmuggle_url(url, {})
+ mobj = re.match(self._VALID_URL, url)
+ resource_id = mobj.group('id')
+ query = mobj.group('query')
+
+ webpage, urlh = self._download_webpage_handle(url, resource_id) # XXX: add UrlReferrer?
+ redirect_url = compat_str(urlh.geturl())
+
+ # XXX: might have also extracted UrlReferrer and QueryString from the html
+ service_path = compat_urlparse.urljoin(redirect_url, self._html_search_regex(
+ r'<div[^>]+\bid=["\']ServicePath[^>]+>(.+?)</div>', webpage, resource_id,
+ default='/Mediasite/PlayerService/PlayerService.svc/json'))
+
+ player_options = self._download_json(
+ '%s/GetPlayerOptions' % service_path, resource_id,
+ headers={
+ 'Content-type': 'application/json; charset=utf-8',
+ 'X-Requested-With': 'XMLHttpRequest',
+ },
+ data=json.dumps({
+ 'getPlayerOptionsRequest': {
+ 'ResourceId': resource_id,
+ 'QueryString': query,
+ 'UrlReferrer': data.get('UrlReferrer', ''),
+ 'UseScreenReader': False,
+ }
+ }).encode('utf-8'))['d']
+
+ presentation = player_options['Presentation']
+ title = presentation['Title']
+
+ if presentation is None:
+ raise ExtractorError(
+ 'Mediasite says: %s' % player_options['PlayerPresentationStatusMessage'],
+ expected=True)
+
+ thumbnails = []
+ formats = []
+ for snum, Stream in enumerate(presentation['Streams']):
+ stream_type = Stream.get('StreamType')
+ if stream_type is None:
+ continue
+
+ video_urls = Stream.get('VideoUrls')
+ if not isinstance(video_urls, list):
+ video_urls = []
+
+ stream_id = self._STREAM_TYPES.get(
+ stream_type, 'type%u' % stream_type)
+
+ stream_formats = []
+ for unum, VideoUrl in enumerate(video_urls):
+ video_url = VideoUrl.get('Location')
+ if not video_url or not isinstance(video_url, compat_str):
+ continue
+ # XXX: if Stream.get('CanChangeScheme', False), switch scheme to HTTP/HTTPS
+
+ media_type = VideoUrl.get('MediaType')
+ if media_type == 'SS':
+ stream_formats.extend(self._extract_ism_formats(
+ video_url, resource_id,
+ ism_id='%s-%u.%u' % (stream_id, snum, unum),
+ fatal=False))
+ elif media_type == 'Dash':
+ stream_formats.extend(self._extract_mpd_formats(
+ video_url, resource_id,
+ mpd_id='%s-%u.%u' % (stream_id, snum, unum),
+ fatal=False))
+ else:
+ stream_formats.append({
+ 'format_id': '%s-%u.%u' % (stream_id, snum, unum),
+ 'url': video_url,
+ 'ext': mimetype2ext(VideoUrl.get('MimeType')),
+ })
+
+ # TODO: if Stream['HasSlideContent']:
+ # synthesise an MJPEG video stream '%s-%u.slides' % (stream_type, snum)
+ # from Stream['Slides']
+ # this will require writing a custom downloader...
+
+ # disprefer 'secondary' streams
+ if stream_type != 0:
+ for fmt in stream_formats:
+ fmt['preference'] = -1
+
+ thumbnail_url = Stream.get('ThumbnailUrl')
+ if thumbnail_url:
+ thumbnails.append({
+ 'id': '%s-%u' % (stream_id, snum),
+ 'url': urljoin(redirect_url, thumbnail_url),
+ 'preference': -1 if stream_type != 0 else 0,
+ })
+ formats.extend(stream_formats)
+
+ self._sort_formats(formats)
+
+ # XXX: Presentation['Presenters']
+ # XXX: Presentation['Transcript']
+
+ return {
+ 'id': resource_id,
+ 'title': title,
+ 'description': presentation.get('Description'),
+ 'duration': float_or_none(presentation.get('Duration'), 1000),
+ 'timestamp': float_or_none(presentation.get('UnixTime'), 1000),
+ 'formats': formats,
+ 'thumbnails': thumbnails,
+ }