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Editorial Team
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Asked: 2026-06-04T05:51:14+00:00

Scenary A Cocoa application with a WebView element that loads file:///index.html A local resource

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Scenary

  • A Cocoa application with a WebView element that loads file:///index.html
  • A local resource file:///index.html that has an editable iframe with src=”javascript:;”
  • The editable iframe contains another iframe with src=”file:///resource.html”

Problem

It seems that WebView does not allow loading local resources (resource.html) inside documents that are not local (iframe with src=”javascript:;”).

This is the exact message from the Error Console of Safari for MacOSX:

Not allowed to load local resource: file:///resource.html

Question

Do you know any way to bypass this security check? I can modify all the javascript and Cocoa code, but I preffer to modify only the Cocoa code.

Thanks guys!

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1 Answer

  1. Editorial Team

    Finally I downloaded the source code of WebKit, inserted a return true in the certain place to disable these security measures and compiled it.

    It seems that it works.

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