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Acceda al contenido de about:addons desde un script de fondo de una extensión web

En una extensión web, ¿es posible obtener contenido de una de las páginas de about de Firefox? por ejemplo about:addons o about:downloads

Para raspar o analizar el DOM.

Intento actual a continuación ..

Error:

 Security Error: Content at moz-extension://b6bc9d62-712c-104a-b53a-95ae7a02487d/_generated_background_page.html may not load or link to about:addons.

manifest.json

 { "name": .. "permissions": ["notifications", "activeTab", "nativeMessaging"], "background": {"scripts": ["backgroundScript.js"]}, .. }

backgroundScript.js :

 var x = new XMLHttpRequest(); x.onload = function() { console.log(x.responseText); }; x.open('GET', 'about:addons'); x.send();
about 4 years ago · Juan Pablo Isaza
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