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Corner Cases

This page describes a number of known corner cases and limitations currently present in CERNBox.

If you're given access to a resource (file or folder) via both a public link and a direct authenticated share, and you open it via public link, the permissions associated with the authenticated share are not taken into account, despite the web frontend may show in the top-right corner your name initials. This also applies for resources in project spaces you have access to.

As a consequence, if the public link is read-only, you won't be able to edit files even if you had write access via the authenticated share, and the web editors will show Guest xyz for your editing session.

Microsoft Office and other Windows applications with single-file shares

If you share a Microsoft Office document as single-file share, and then edit it via remote Windows access (e.g. via \\cernbox-smb, \\eosproject-smb, \\cernbox-drive, etc.), the share information as well as all previous versions of the document are lost.

This is a consequence of how Microsoft Office manipulates files on save operations, coupled with how metadata information such as shares is stored by CERNBox. Similarly, other Windows applications may exhibit the same behavior. Possible workarounds are:

  • Use the online Web editors or the Desktop sync client to edit Microsoft Office files

  • If remote Windows access must be ensured, share the containing folder instead