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Extension resource loading

Mehrdad | Last updated: Sep 10, 2017 04:35AM UTC

I've embedded some static files inside the extension, in the folder named `assets`. Trying to access them fails, using following code: InputStream in = DataUtils.class.getClassLoader().getResourceAsStream("/assets/" + filename); Maybe it fails because "/" refers to root of `burp.jar`, not my `ext.jar`. How can I access the assets?

Burp User | Last updated: Sep 12, 2017 04:16AM UTC

This code works for me, assuming assets are not loaded in classpath: public static String readAsset(String filename) throws IOException { URL url = new URL("jar:file:/"+BurpExtender.getInstance().getCallbacks().getExtensionFilename()+"!/assets/"+ filename); InputStream in = url.openStream(); StringWriter writer = new StringWriter(); IOUtils.copy(in, writer, StandardCharsets.UTF_8); return writer.toString(); }

PortSwigger Agent | Last updated: Sep 13, 2017 10:54AM UTC