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Improve prevent-window-open scriptlet

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Support triggering a `debugger` statement when `window.open()` is
called.

Related feedback:
https://github.com/uBlockOrigin/uAssets/issues/25510#issuecomment-2400067735
This commit is contained in:
Raymond Hill 2024-10-08 19:47:35 -04:00
parent 58bfe4c846
commit 85877b12ed
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GPG Key ID: 25E1490B761470C2
1 changed files with 39 additions and 3 deletions
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42
assets/resources/scriptlets.js
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@ -2952,13 +2952,45 @@ function preventXhr(...args) {
return preventXhrFn(false, ...args);
}
/******************************************************************************/
/**
* @scriptlet prevent-window-open
*
* @description
* Prevent a webpage from opening new tabs through `window.open()`.
*
* @param pattern
* A plain string or regex to match against the `url` argument for the
* prevention to be triggered. If not provided, all calls to `window.open()`
* are prevented.
* If set to the special value `debug` *and* the logger is opened, the scriptlet
* will trigger a `debugger` statement and the prevention will not occur.
*
* @param [delay]
* If provided, a decoy will be created or opened, and this parameter states
* the number of seconds to wait for before the decoy is terminated, i.e.
* either removed from the DOM or closed.
*
* @param [decoy]
* A string representing the type of decoy to use:
* - `blank`: replace the `url` parameter with `about:blank`
* - `object`: create and append an `object` element to the DOM, and return
* its `contentWindow` property.
* - `frame`: create and append an `iframe` element to the DOM, and return
* its `contentWindow` property.
*
* @example
* ##+js(prevent-window-open, ads.example.com/)
*
* @example
* ##+js(prevent-window-open, ads.example.com/, 1, iframe)
*
* */
builtinScriptlets.push({
name: 'no-window-open-if.js',
name: 'prevent-window-open.js',
aliases: [
'nowoif.js',
'prevent-window-open.js',
'no-window-open-if.js',
'window.open-defuser.js',
],
fn: noWindowOpenIf,
@ -2994,6 +3026,10 @@ function noWindowOpenIf(
};
const noopFunc = function(){};
proxyApplyFn('open', function open(context) {
if ( pattern === 'debug' && safe.logLevel !== 0 ) {
debugger; // eslint-disable-line no-debugger
return context.reflect();
}
const { callArgs } = context;
const haystack = callArgs.join(' ');
if ( rePattern.test(haystack) !== targetMatchResult ) {