We are looking for a solution to prevent/prohibit the download of file entries for Shares (viewer/editor/contributor) in Vibe. It should not be possible in the browser, the Office Add-In or with the Desktop Application to download and save the file directly, but the files should be able to be viewed exclusively with the HTML viewer in b.

Why? - The whole situation is a legal question, some files may not be stored directly as a copy from the original source.

Has anyone here a possible solution, best would be out-of-the-box?