CORS policy is blocking external video on course

[ecureuill]

Expected Behavior

External video included by teacher - passed play validation -, must be presented to student as well

Current Behavior

Steps to Reproduce

Video 1: not blocked by CORS policy

Video 2: blocked by CORS policy

<video src="https://ia800209.us.archive.org/20/items/ElephantsDream/ed_1024_512kb.mp4" preload="auto" controls="" crossorigin="true" style="width: 100%; height: 100%;">
<track kind="subtitles" src="">
</video>

Access to video at 'https://ia800209.us.archive.org/20/items/ElephantsDream/ed_1024_512kb.mp4' from origin 'https://vm2161.kaj.pouta.csc.fi' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

ia800209.us.archive.org/20/items/ElephantsDream/ed_1024_512kb.mp4:1 GET https://ia800209.us.archive.org/20/items/ElephantsDream/ed_1024_512kb.mp4 net::ERR_FAILED

Environment

https://vm2161.kaj.pouta.csc.fi/

Possible Solution or Implementation

Bad value for crossorigin attribute, check allowed values and check VideoJs Docs on how to set crossorigin attribute

Also, check CORS type of errors

Related issues

#135 (comment)

Workaround

Teacher need to download the video and them upload it in SELI

[github-actions]

This Feature is ready to be implemented.