failed to add custom link to open local file.

[cusber]

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Describe the bug failed to add link to open local file.

Expected behavior Really hope that in the next version, software could support file protocol.
add custom link like this file://***/***.pdf can open the local file in system. or at least tell me a method can similar do like this. It borders me many days. Thanks ~

draw.io version (In the Help->About menu of the draw.io editor):

• draw.io version 20.3.0

Desktop (please complete the following information): Windows 10

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[frankgerhardt]

I was looking for exactly this feature and can not believe that this is not implemented, just a link to another file!? And wontfix... I'd reopen this issue but I can not.

[davidjgraph]

Cool, please send in the PR with a full security review.

[davidjgraph]

File protocol is a security risk, this will not be implemented.