Big Change Update

uBlock0.chromium/js/resources/prevent-settimeout.js

@@ -0,0 +1,236 @@
+/*******************************************************************************
+
+    uBlock Origin - a comprehensive, efficient content blocker
+    Copyright (C) 2019-present Raymond Hill
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see {http://www.gnu.org/licenses/}.
+
+    Home: https://github.com/gorhill/uBlock
+
+*/
+
+import { proxyApplyFn } from './proxy-apply.js';
+import { registerScriptlet } from './base.js';
+import { safeSelf } from './safe-self.js';
+
+/******************************************************************************/
+
+class RangeParser {
+    constructor(s) {
+        this.not = s.charAt(0) === '!';
+        if ( this.not ) { s = s.slice(1); }
+        if ( s === '' ) { return; }
+        const pos = s.indexOf('-');
+        if ( pos !== 0 ) {
+            this.min = this.max = parseInt(s, 10) || 0;
+        }
+        if ( pos !== -1 ) {
+            this.max = parseInt(s.slice(1), 10) || Number.MAX_SAFE_INTEGER;
+        }
+    }
+    unbound() {
+        return this.min === undefined && this.max === undefined;
+    }
+    test(v) {
+        const n = Math.min(Math.max(Number(v) || 0, 0), Number.MAX_SAFE_INTEGER);
+        if ( this.min === this.max ) {
+            return (this.min === undefined || n === this.min) !== this.not;
+        }
+        if ( this.min === undefined ) {
+            return (n <= this.max) !== this.not;
+        }
+        if ( this.max === undefined ) {
+            return (n >= this.min) !== this.not;
+        }
+        return (n >= this.min && n <= this.max) !== this.not;
+    }
+}
+registerScriptlet(RangeParser, {
+    name: 'range-parser.fn',
+});
+
+/**
+ * @scriptlet prevent-setTimeout
+ * 
+ * @description
+ * Conditionally prevent execution of the callback function passed to native
+ * setTimeout method. With no parameters, all calls to setTimeout will be
+ * shown in the logger.
+ * 
+ * @param [needle]
+ * A pattern to match against the stringified callback. The pattern can be a
+ * plain string, or a regex. Prepend with `!` to reverse the match condition.
+ * 
+ * @param [delay]
+ * A value to match against the delay. Can be a single value for exact match,
+ * or a range:
+ * - `min-max`: matches if delay >= min and delay <= max
+ * - `min-`: matches if delay >= min
+ * - `-max`: matches if delay <= max
+ * No delay means to match any delay value.
+ * Prepend with `!` to reverse the match condition.
+ * 
+ * */
+
+export function preventSetTimeout(
+    needleRaw = '',
+    delayRaw = ''
+) {
+    const safe = safeSelf();
+    const logPrefix = safe.makeLogPrefix('prevent-setTimeout', needleRaw, delayRaw);
+    const needleNot = needleRaw.charAt(0) === '!';
+    const reNeedle = safe.patternToRegex(needleNot ? needleRaw.slice(1) : needleRaw);
+    const range = new RangeParser(delayRaw);
+    proxyApplyFn('setTimeout', function(context) {
+        const { callArgs } = context;
+        const a = callArgs[0] instanceof Function
+            ? String(safe.Function_toString(callArgs[0]))
+            : String(callArgs[0]);
+        const b = callArgs[1];
+        if ( needleRaw === '' && range.unbound() ) {
+            safe.uboLog(logPrefix, `Called:\n${a}\n${b}`);
+            return context.reflect();
+        }
+        if ( reNeedle.test(a) !== needleNot && range.test(b) ) {
+            callArgs[0] = function(){};
+            safe.uboLog(logPrefix, `Prevented:\n${a}\n${b}`);
+        }
+        return context.reflect();
+    });
+}
+registerScriptlet(preventSetTimeout, {
+    name: 'prevent-setTimeout.js',
+    aliases: [
+        'no-setTimeout-if.js',
+        'nostif.js',
+        'setTimeout-defuser.js',
+    ],
+    dependencies: [
+        proxyApplyFn,
+        RangeParser,
+        safeSelf,
+    ],
+});
+
+/**
+ * @scriptlet prevent-setInterval
+ * 
+ * @description
+ * Conditionally prevent execution of the callback function passed to native
+ * setInterval method. With no parameters, all calls to setInterval will be
+ * shown in the logger.
+ * 
+ * @param [needle]
+ * A pattern to match against the stringified callback. The pattern can be a
+ * plain string, or a regex. Prepend with `!` to reverse the match condition.
+ * No pattern means to match anything.
+ * 
+ * @param [delay]
+ * A value to match against the delay. Can be a single value for exact match,
+ * or a range:
+ * - `min-max`: matches if delay >= min and delay <= max
+ * - `min-`: matches if delay >= min
+ * - `-max`: matches if delay <= max
+ * No delay means to match any delay value.
+ * Prepend with `!` to reverse the match condition.
+ * 
+ * */
+
+export function preventSetInterval(
+    needleRaw = '',
+    delayRaw = ''
+) {
+    const safe = safeSelf();
+    const logPrefix = safe.makeLogPrefix('prevent-setInterval', needleRaw, delayRaw);
+    const needleNot = needleRaw.charAt(0) === '!';
+    const reNeedle = safe.patternToRegex(needleNot ? needleRaw.slice(1) : needleRaw);
+    const range = new RangeParser(delayRaw);
+    proxyApplyFn('setInterval', function(context) {
+        const { callArgs } = context;
+        const a = callArgs[0] instanceof Function
+            ? String(safe.Function_toString(callArgs[0]))
+            : String(callArgs[0]);
+        const b = callArgs[1];
+        if ( needleRaw === '' && range.unbound() ) {
+            safe.uboLog(logPrefix, `Called:\n${a}\n${b}`);
+            return context.reflect();
+        }
+        if ( reNeedle.test(a) !== needleNot && range.test(b) ) {
+            callArgs[0] = function(){};
+            safe.uboLog(logPrefix, `Prevented:\n${a}\n${b}`);
+        }
+        return context.reflect();
+    });
+}
+registerScriptlet(preventSetInterval, {
+    name: 'prevent-setInterval.js',
+    aliases: [
+        'no-setInterval-if.js',
+        'nosiif.js',
+        'setInterval-defuser.js',
+    ],
+    dependencies: [
+        proxyApplyFn,
+        RangeParser,
+        safeSelf,
+    ],
+});
+
+/**
+ * @scriptlet prevent-requestAnimationFrame
+ * 
+ * @description
+ * Conditionally prevent execution of the callback function passed to native
+ * requestAnimationFrame method. With no parameters, all calls to
+ * requestAnimationFrame will be shown in the logger.
+ * 
+ * @param [needle]
+ * A pattern to match against the stringified callback. The pattern can be a
+ * plain string, or a regex.
+ * Prepend with `!` to reverse the match condition.
+ * 
+ * */
+
+export function preventRequestAnimationFrame(
+    needleRaw = ''
+) {
+    const safe = safeSelf();
+    const logPrefix = safe.makeLogPrefix('prevent-requestAnimationFrame', needleRaw);
+    const needleNot = needleRaw.charAt(0) === '!';
+    const reNeedle = safe.patternToRegex(needleNot ? needleRaw.slice(1) : needleRaw);
+    proxyApplyFn('requestAnimationFrame', function(context) {
+        const { callArgs } = context;
+        const a = callArgs[0] instanceof Function
+            ? String(safe.Function_toString(callArgs[0]))
+            : String(callArgs[0]);
+        if ( needleRaw === '' ) {
+            safe.uboLog(logPrefix, `Called:\n${a}`);
+        } else if ( reNeedle.test(a) !== needleNot ) {
+            callArgs[0] = function(){};
+            safe.uboLog(logPrefix, `Prevented:\n${a}`);
+        }
+        return context.reflect();
+    });
+}
+registerScriptlet(preventRequestAnimationFrame, {
+    name: 'prevent-requestAnimationFrame.js',
+    aliases: [
+        'no-requestAnimationFrame-if.js',
+        'norafif.js',
+    ],
+    dependencies: [
+        proxyApplyFn,
+        safeSelf,
+    ],
+});