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Disable content copy for PDF files that specify it #414

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danxuliu merged 1 commit into from
Jun 10, 2021
Merged

Disable content copy for PDF files that specify it #414

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Disable content copy for PDF files that specify it 
In v2.5.207 pdf.js added the "enablePermissions" option to disable
copying in the viewer for the PDF files that specify it. The option is
off by default, so it needs to be explicitly enabled.

Note that the content copy is prevented just by disabling selection
through CSS. The "selection disabled" flag in a PDF document is not a
strong security measure and can be easily circumvented (for example,
just downloading the file and opening it in a PDF reader that does not
honour the flag), so disabling the selection through CSS was deemed good
enough for pdf.js.

Signed-off-by: Daniel Calviño Sánchez <[email protected]>
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@danxuliu
danxuliu committed Jun 9, 2021
commit e9893a8bad3240f456fb9d39aed3fcc067ecd19b
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