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yt-dlp/yt_dlp/extractor/mediasite.py
bashonly 0953209a85
[ie/mediasite] Fix extraction (#10273) 
Fix regression in add96eb9f8

Closes #10270
Authored by: bashonly
2024-06-26 23:57:34 +00:00

415 lines
16 KiB
Python
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import json
import re
import urllib.parse
from .common import InfoExtractor
from ..utils import (
ExtractorError,
float_or_none,
mimetype2ext,
smuggle_url,
str_or_none,
try_call,
try_get,
unsmuggle_url,
url_or_none,
urljoin,
)
from ..utils.traversal import traverse_obj
_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})'
class MediasiteIE(InfoExtractor):
_VALID_URL = rf'(?xi)https?://[^/]+/Mediasite/(?:Play|Showcase/[^/#?]+/Presentation)/(?P<id>{_ID_RE})(?P<query>\?[^#]+|)'
_EMBED_REGEX = [rf'(?xi)<iframe\b[^>]+\bsrc=(["\'])(?P<url>(?:(?:https?:)?//[^/]+)?/Mediasite/Play/{_ID_RE}(?:\?.*?)?)\1']
_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,
},
},
{
'url': 'https://collegerama.tudelft.nl/Mediasite/Showcase/livebroadcast/Presentation/ada7020854f743c49fbb45c9ec7dbb351d',
'only_matching': True,
},
{
'url': 'https://mediasite.ntnu.no/Mediasite/Showcase/default/Presentation/7d8b913259334b688986e970fae6fcb31d',
'only_matching': True,
},
{
# dashed id
'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271-681e-4f19-9af3-c60d1f82869b1d',
'only_matching': True,
},
]
# look in Mediasite.Core.js (Mediasite.ContentStreamType[*])
_STREAM_TYPES = {
0: 'video1', # the main video
2: 'slide',
3: 'presentation',
4: 'video2', # screencast?
5: 'video3',
}
@classmethod
def _extract_embed_urls(cls, url, webpage):
for embed_url in super()._extract_embed_urls(url, webpage):
yield smuggle_url(embed_url, {'UrlReferrer': url})
def __extract_slides(self, *, stream_id, snum, stream, duration, images):
slide_base_url = stream['SlideBaseUrl']
fname_template = stream['SlideImageFileNameTemplate']
if fname_template != 'slide_{0:D4}.jpg':
self.report_warning('Unusual slide file name template; report a bug if slide downloading fails')
fname_template = re.sub(r'\{0:D([0-9]+)\}', r'{0:0\1}', fname_template)
fragments = []
for i, slide in enumerate(stream['Slides']):
if i == 0:
if slide['Time'] > 0:
default_slide = images.get('DefaultSlide')
if default_slide is None:
default_slide = images.get('DefaultStreamImage')
if default_slide is not None:
default_slide = default_slide['ImageFilename']
if default_slide is not None:
fragments.append({
'path': default_slide,
'duration': slide['Time'] / 1000,
})
next_time = try_call(
lambda: stream['Slides'][i + 1]['Time'],
lambda: duration,
lambda: slide['Time'],
expected_type=(int, float))
fragments.append({
'path': fname_template.format(slide.get('Number', i + 1)),
'duration': (next_time - slide['Time']) / 1000,
})
return {
'format_id': f'{stream_id}-{snum}.slides',
'ext': 'mhtml',
'url': slide_base_url,
'protocol': 'mhtml',
'acodec': 'none',
'vcodec': 'none',
'format_note': 'Slides',
'fragments': fragments,
'fragment_base_url': slide_base_url,
}
def _real_extract(self, url):
url, data = unsmuggle_url(url, {})
mobj = self._match_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 = urlh.url
# XXX: might have also extracted UrlReferrer and QueryString from the html
service_path = urllib.parse.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(
f'{service_path}/GetPlayerOptions', 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())['d']
presentation = player_options['Presentation']
title = presentation['Title']
if presentation is None:
raise ExtractorError(
'Mediasite says: {}'.format(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, video in enumerate(video_urls):
video_url = url_or_none(video.get('Location'))
if not video_url:
continue
# XXX: if Stream.get('CanChangeScheme', False), switch scheme to HTTP/HTTPS
media_type = video.get('MediaType')
ext = mimetype2ext(video.get('MimeType'))
if media_type == 'SS':
stream_formats.extend(self._extract_ism_formats(
video_url, resource_id,
ism_id=f'{stream_id}-{snum}.{unum}',
fatal=False))
elif media_type == 'Dash':
stream_formats.extend(self._extract_mpd_formats(
video_url, resource_id,
mpd_id=f'{stream_id}-{snum}.{unum}',
fatal=False))
elif ext in ('m3u', 'm3u8'):
stream_formats.extend(self._extract_m3u8_formats(
video_url, resource_id,
m3u8_id=f'{stream_id}-{snum}.{unum}',
fatal=False))
else:
stream_formats.append({
'format_id': f'{stream_id}-{snum}.{unum}',
'url': video_url,
'ext': ext,
})
images = traverse_obj(player_options, ('PlayerLayoutOptions', 'Images', {dict}))
if stream.get('HasSlideContent') and images:
stream_formats.append(self.__extract_slides(
stream_id=stream_id,
snum=snum,
stream=stream,
duration=presentation.get('Duration'),
images=images,
))
# disprefer 'secondary' streams
if stream_type != 0:
for fmt in stream_formats:
fmt['quality'] = -10
thumbnail_url = stream.get('ThumbnailUrl')
if thumbnail_url:
thumbnails.append({
'id': f'{stream_id}-{snum}',
'url': urljoin(redirect_url, thumbnail_url),
'preference': -1 if stream_type != 0 else 0,
})
formats.extend(stream_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,
}
class MediasiteCatalogIE(InfoExtractor):
_VALID_URL = rf'''(?xi)
(?P<url>https?://[^/]+/Mediasite)
/Catalog/Full/
(?P<catalog_id>{_ID_RE})
(?:
/(?P<current_folder_id>{_ID_RE})
/(?P<root_dynamic_folder_id>{_ID_RE})
)?
'''
_TESTS = [{
'url': 'http://events7.mediasite.com/Mediasite/Catalog/Full/631f9e48530d454381549f955d08c75e21',
'info_dict': {
'id': '631f9e48530d454381549f955d08c75e21',
'title': 'WCET Summit: Adaptive Learning in Higher Ed: Improving Outcomes Dynamically',
},
'playlist_count': 6,
'expected_warnings': ['is not a supported codec'],
}, {
# with CurrentFolderId and RootDynamicFolderId
'url': 'https://medaudio.medicine.iu.edu/Mediasite/Catalog/Full/9518c4a6c5cf4993b21cbd53e828a92521/97a9db45f7ab47428c77cd2ed74bb98f14/9518c4a6c5cf4993b21cbd53e828a92521',
'info_dict': {
'id': '9518c4a6c5cf4993b21cbd53e828a92521',
'title': 'IUSM Family and Friends Sessions',
},
'playlist_count': 2,
}, {
'url': 'http://uipsyc.mediasite.com/mediasite/Catalog/Full/d5d79287c75243c58c50fef50174ec1b21',
'only_matching': True,
}, {
# no AntiForgeryToken
'url': 'https://live.libraries.psu.edu/Mediasite/Catalog/Full/8376d4b24dd1457ea3bfe4cf9163feda21',
'only_matching': True,
}, {
'url': 'https://medaudio.medicine.iu.edu/Mediasite/Catalog/Full/9518c4a6c5cf4993b21cbd53e828a92521/97a9db45f7ab47428c77cd2ed74bb98f14/9518c4a6c5cf4993b21cbd53e828a92521',
'only_matching': True,
}, {
# dashed id
'url': 'http://events7.mediasite.com/Mediasite/Catalog/Full/631f9e48-530d-4543-8154-9f955d08c75e',
'only_matching': True,
}]
def _real_extract(self, url):
mobj = self._match_valid_url(url)
mediasite_url = mobj.group('url')
catalog_id = mobj.group('catalog_id')
current_folder_id = mobj.group('current_folder_id') or catalog_id
root_dynamic_folder_id = mobj.group('root_dynamic_folder_id')
webpage = self._download_webpage(url, catalog_id)
# AntiForgeryToken is optional (e.g. [1])
# 1. https://live.libraries.psu.edu/Mediasite/Catalog/Full/8376d4b24dd1457ea3bfe4cf9163feda21
anti_forgery_token = self._search_regex(
r'AntiForgeryToken\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
webpage, 'anti forgery token', default=None, group='value')
if anti_forgery_token:
anti_forgery_header = self._search_regex(
r'AntiForgeryHeaderName\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
webpage, 'anti forgery header name',
default='X-SOFO-AntiForgeryHeader', group='value')
data = {
'IsViewPage': True,
'IsNewFolder': True,
'AuthTicket': None,
'CatalogId': catalog_id,
'CurrentFolderId': current_folder_id,
'RootDynamicFolderId': root_dynamic_folder_id,
'ItemsPerPage': 1000,
'PageIndex': 0,
'PermissionMask': 'Execute',
'CatalogSearchType': 'SearchInFolder',
'SortBy': 'Date',
'SortDirection': 'Descending',
'StartDate': None,
'EndDate': None,
'StatusFilterList': None,
'PreviewKey': None,
'Tags': [],
}
headers = {
'Content-Type': 'application/json; charset=UTF-8',
'Referer': url,
'X-Requested-With': 'XMLHttpRequest',
}
if anti_forgery_token:
headers[anti_forgery_header] = anti_forgery_token
catalog = self._download_json(
f'{mediasite_url}/Catalog/Data/GetPresentationsForFolder',
catalog_id, data=json.dumps(data).encode(), headers=headers)
entries = []
for video in catalog['PresentationDetailsList']:
if not isinstance(video, dict):
continue
video_id = str_or_none(video.get('Id'))
if not video_id:
continue
entries.append(self.url_result(
f'{mediasite_url}/Play/{video_id}',
ie=MediasiteIE.ie_key(), video_id=video_id))
title = try_get(
catalog, lambda x: x['CurrentFolder']['Name'], str)
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):
mobj = self._match_valid_url(url)
mediasite_url = mobj.group('url')
catalog_name = mobj.group('catalog_name')
webpage = self._download_webpage(url, catalog_name)
catalog_id = self._search_regex(
rf'CatalogId\s*:\s*["\']({_ID_RE})', webpage, 'catalog id')
return self.url_result(
f'{mediasite_url}/Catalog/Full/{catalog_id}',
ie=MediasiteCatalogIE.ie_key(), video_id=catalog_id)
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