Watermarks can be outsmarted too easily

ONLYOFFICE / onlyoffice-nextcloud

The app which enables the users to edit office documents from Nextcloud using ONLYOFFICE Document Server, allows multiple users to collaborate in real time and to save back those changes to Nextcloud

GNU Affero General Public License v3.0

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Watermarks can be outsmarted too easily #159

Open wiswedel opened 4 years ago

wiswedel commented 4 years ago

Watermarks on office documets are only applied by a single absolutely positioned canvas. By enlarging the browser window or turning up resolution or zoom level, the content can easily be de-watermarked:

small window:

larger window/resolution/zoom level

Test environment

Nextcloud 17.0.0
ONLYOFFICE connector 3.0.2
ONLYOFFICE Integration Edition 5.4.1, linux-installed

ibnpetr commented 4 years ago

Hello,

by a single absolutely positioned canvas

Thanks a lot for the feedback, we plan to add multiple elements to avoid de-watermarking.

LinneyS commented 4 years ago

@K0R0L @SergeyLuzyanin