streamcloud.eu: Error 403 (Missing Referer)

[wmbr]

• I've verified and I assure that I'm running youtube-dl 2018.07.21

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• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
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Recently the video hosting platform streamcloud.eu started requiring the HTTP Referer Header to be set, thus youtube-dl currently fails with

ERROR: unable to download video data: HTTP Error 403: Forbidden

It seems to me this should be fixable by adding an extra entry

'http_headers': { 'Referer': video_id, }

to the return value of StreamcloudIE._real_extract

[balrok]

I can confirm, that your solution solves the problem

[quazgar]

Workaround for those with an older version: Set this header on the command line.

youtube-dl --add-header Referer:abcd1234 http://streamcloud.eu/abcd1234/move_title.mkv.html