disable people from downloading pdf [closed]

I have a library system where we publish books but unfortunately people download them and bad enough they reprint them and sell, the system is written in django and I am a newbie on python

so far I do not know what to do

  • I think you should look at DRM management, this is then encoded in the pdf.

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  • ALL PDF have to Download to be used in browser editor that converts into text on the screen or printout. So all PDFs are editable FULLSTOP forget the conceptual hype that they are secure since the only locked down PDF is one in a vault without a key and 24 feet of concreate on all sides

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