1 files changed, 58 insertions, 0 deletions
diff --git a/data/extensions/uBlock0@raymondhill.net/js/resources/noeval.js b/data/extensions/uBlock0@raymondhill.net/js/resources/noeval.js
new file mode 100644
index 0000000..d66db53
--- /dev/null
+++ b/data/extensions/uBlock0@raymondhill.net/js/resources/noeval.js
@@ -0,0 +1,58 @@
+/*******************************************************************************
+
+    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';
+
+/******************************************************************************/
+
+function noEvalIf(
+    needle = ''
+) {
+    if ( typeof needle !== 'string' ) { return; }
+    const safe = safeSelf();
+    const logPrefix = safe.makeLogPrefix('noeval-if', needle);
+    const reNeedle = safe.patternToRegex(needle);
+    proxyApplyFn('eval', function(context) {
+        const { callArgs } = context;
+        const a = String(callArgs[0]);
+        if ( needle !== '' && reNeedle.test(a) ) {
+            safe.uboLog(logPrefix, 'Prevented:\n', a);
+            return;
+        }
+        if ( needle === '' || safe.logLevel > 1 ) {
+            safe.uboLog(logPrefix, 'Not prevented:\n', a);
+        }
+        return context.reflect();
+    });
+}
+registerScriptlet(noEvalIf, {
+    name: 'noeval-if.js',
+    aliases: [
+        'prevent-eval-if.js',
+    ],
+    dependencies: [
+        proxyApplyFn,
+        safeSelf,
+    ],
+});