downloading an old version of a file returns 501

[individual-it]

Describe the bug

it is not possible to download an old version of a file as it is in oc10

Steps to reproduce

Steps to reproduce the behavior:

1. create a file curl -X PUT -k -u admin:admin https://localhost:9200/remote.php/dav/files/admin/file.txt -d"original"
2. overwrite the file curl -X PUT -k -u admin:admin https://localhost:9200/remote.php/dav/files/admin/file.txt -d"overwritten"
3. find id of the file curl -X PROPFIND -k -u admin:admin https://localhost:9200/remote.php/dav/files/admin/file.txt | xmllint --format -
4. get the versions of the file curl -X PROPFIND -k -u admin:admin https://localhost:9200/remote.php/dav/meta/<fileid>/v | xmllint --format -
5. download data from the link mentioned in the href element curl -X GET -k -u admin:admin https://localhost:9200/<href>

Expected behavior

content of the old file version as described in the tests in owncloud/core#38921

Actual behavior

HTTP code 501

[ScharfViktor]

still relevant in ocis v1.15.0.

server log:
2021-11-22T14:17:37+01:00 ERR http end="22/Nov/2021:14:17:37 +0100" host=127.0.0.1 method=HEAD pkg=rhttp proto=HTTP/1.1 service=storage size=14 start="22/Nov/2021:14:17:37 +0100" status=501 time_ns=166084 traceid=00000000000000000000000000000000 uri=/remote.php/dav/meta/MTI4NGQyMzgtYWE5Mi00MmNlLWJkYzQtMGIwMDAwMDA5MTU3OjQ0NGU3ZDJmLWNlNjYtNGYyOC04Y2FlLTA5NjUxMmQwMGJlOQ%3D%3D/v/444e7d2f-ce66-4f28-8cae-096512d00be9.REV.2021-07-26T08%3A17%3A17.000000062Z url=/remote.php/dav/meta/MTI4NGQyMzgtYWE5Mi00MmNlLWJkYzQtMGIwMDAwMDA5MTU3OjQ0NGU3ZDJmLWNlNjYtNGYyOC04Y2FlLTA5NjUxMmQwMGJlOQ%3D%3D/v/444e7d2f-ce66-4f28-8cae-096512d00be9.REV.2021-07-26T08%3A17%3A17.000000062Z

[wkloucek]

I looked at the code and downloading an old version of a file is not implemented (https://github.com/cs3org/reva/blob/2ca63c840e42c0681e944c17259e2973ac99956d/internal/http/services/owncloud/ocdav/versions.go#L78)

[ScharfViktor]

downloading an old version of a file fixed here: #3741

we can close issue

[ScharfViktor]

created e2e test for downloading old version file