request to support WDR3 site

[subirax]

Requesting YoutubeDL support for a currently unsupported site. The site is:

https://konzertplayer.wdr3.de/klassische-musik/

Checklist

• [x ] I'm reporting a new site support request
• [x ] I've verified that I'm running youtube-dl version 2019.12.25
• [x ] I've checked that all provided URLs are alive and playable in a browser
• [x ] I've checked that none of provided URLs violate any copyrights
• [x ] I've searched the bugtracker for similar site support requests including closed ones

Example URLs

• Single audio:
  https://konzertplayer.wdr3.de/klassische-musik/konzert/tage-alter-musik-in-herne-2019-wege-zur-klarheit/

This next audio example expires from the web site on Jan 7 2020:
https://konzertplayer.wdr3.de/klassische-musik/konzert/live-wdr-rundfunkchor-anton-bruckner-messe-e-moll/

• Playlist: (not exactly a playlist, but a list of currently available audio streams)
  https://konzertplayer.wdr3.de/klassische-musik/

Description

This web site provides on-demand streams of various concerts broadcast by West German Radio.

This is the verbose output from the first example page above:

C:\download\jdownloader>youtube-dl --verbose -f "best" https://konzertplayer.wdr3.de/klassische-musik/konzert/tage-alter-musik-in-herne-2019-wege-zur-klarheit/

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', '-f', 'best', 'https://konzertplayer.wdr3.de/klassische-musik/konzert/tage-alter-musik-in-herne-2019-wege-zur-klarheit/']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2019.12.25
[debug] Python version 3.4.4 (CPython) - Windows-7-6.1.7600-SP0
[debug] exe versions: none
[debug] Proxy map: {}
[generic] tage-alter-musik-in-herne-2019-wege-zur-klarheit: Requesting header
WARNING: Falling back on generic information extractor.
[generic] tage-alter-musik-in-herne-2019-wege-zur-klarheit: Downloading webpage
[generic] tage-alter-musik-in-herne-2019-wege-zur-klarheit: Extracting information
ERROR: Unsupported URL: https://konzertplayer.wdr3.de/klassische-musik/konzert/tage-alter-musik-in-herne-2019-wege-zur-klarheit/
Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp243932xz\build\youtube_dl\YoutubeDL.py", line 796, in extract_info
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp243932xz\build\youtube_dl\extractor\common.py", line 530, in extract
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp243932xz\build\youtube_dl\extractor\generic.py", line 3347, in _real_extract youtube_dl.utils.Unsupported
Error: Unsupported URL: https://konzertplayer.wdr3.de/klassische-musik/konzert/tage-alter-musik-in-herne-2019-wege-zur-klarheit/

YoutubeDL gives the following result for the specific MP3 file that the above page refers to:

C:\download\jdownloader>youtube-dl --verbose -f "best" https://konzertplayer.wdr3.de/fileadmin/processed-import/20191226-2004/20191226-2004__wdr3konzert__256kbit.mp3
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', '-f', 'best', 'https://konzertplayer.wdr3.de/fileadmin/processed-import/20191226-2004/20191226-2004__wdr3konzert__256kbit.mp3']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2019.12.25
[debug] Python version 3.4.4 (CPython) - Windows-7-6.1.7600-SP0
[debug] exe versions: none
[debug] Proxy map: {}
[generic] 20191226-2004__wdr3konzert__256kbit: Requesting header
WARNING: Could not send HEAD request to https://konzertplayer.wdr3.de/fileadmin/processed-import/20191226-2004/20191226-2004__wdr3konzert__256kbit.mp3: HTTP Error 403: Forbidden[generic] 20191226-2004__wdr3konzert__256kbit: Downloading webpage
ERROR: Unable to download webpage: HTTP Error 403: Forbidden (caused by HTTPError()); please report this issue on <!--

I hope this is enough to explain the problem.

Thanks for your attention and help!