Lock original file when doing operations on versions

[PVince81]

Steps

1. Put sleep(30) here https://github.com/owncloud/core/blob/v8.1.3/apps/files_versions/lib/storage.php#L310 in the rollback/restore function of the versions app
2. Create a text file "test.txt"
3. Edit it several times to create versions
4. Open the versions dropdown
5. Restore an older version
6. In a separate tab (or WebDAV) try renaming "test.txt" to "re.txt"

Expected result

File cannot be renamed while the restore operation is in progress

Actual result

File can be renamed

Versions operations like download and restore should set locks on the original file.
Similar to #17245 but different reproduction steps.
The fix might be the same for both.

[PVince81]

I'll verify whether #19538 (8.2) fixes this.

Also not sure why this is on 8.1.4 and 8.2.

[PVince81]

This won't work, that rollback function must lock the file before operating.

[PVince81]

I thought we fixed that, maybe not. Need to verify.

[ownclouders]

Hey, this issue has been closed because the label status/STALE is set and there were no updates for 7 days. Feel free to reopen this issue if you deem it appropriate.

(This is an automated comment from GitMate.io.)

[lock]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.