OPTION request for TUS upload does not have checksum headers in it's response

[swoichha]

Describe the bug

Although PR cs3org/reva#1400 has implemented checksumming for TUS uploads its not advertised in the TUS headers.

According to the TUS checksum extension description in https://tus.io/protocols/resumable-upload.html#checksum when an OPTION request is send to an endpoint then it should contain Tus-Extension: checksum and Tus-Checksum-Algorithm: md5,sha1,crc32 in its response.

Steps to reproduce

Steps to reproduce the behavior:

1. Send OPTION request to endpoint https://localhost:9200/remote.php/dav/files/Einstein/

• curl -X OPTIONS https://localhost:9200/remote.php/dav/files/Einstein/ -k -v

Expected behavior

Something like this

HTTP/1.1 204 No Content
Tus-Resumable: 1.0.0
Tus-Version: 1.0.0
Tus-Extension: checksum
Tus-Checksum-Algorithm: md5,sha1,crc32

Actual behavior

HTTP/1.1 200 OK
Access-Control-Allow-Headers: Tus-Resumable
Access-Control-Allow-Origin: *
Access-Control-Expose-Headers: Tus-Resumable, Tus-Version, Tus-Extension
Allow: OPTIONS, LOCK, GET, HEAD, POST, DELETE, PROPPATCH, COPY, MOVE, UNLOCK, PROPFIND, MKCOL, REPORT, SEARCH, PUT
Content-Length: 0
Content-Security-Policy: default-src 'none';
Content-Type: application/xml
Date: Tue, 02 Mar 2021 08:25:28 GMT
Dav: 1, 2
Ms-Author-Via: DAV
Tus-Extension: creation,creation-with-upload
Tus-Resumable: 1.0.0
Tus-Version: 1.0.0

[exalate-issue-sync]

David Christofas commented: PR was merged in reva.
Still need the reva update in ocis.