From b0e189f6449787fb823e8a58e5d5e74b96acd8f1 Mon Sep 17 00:00:00 2001
From: Mark H Weaver <mhw@netris.org>
Date: Wed, 18 Jun 2025 22:14:49 -0400
Subject: Update the JShelter extension to 0.21.

---
 data/extensions/jsr@javascriptrestrictor/helpers.js | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

(limited to 'data/extensions/jsr@javascriptrestrictor/helpers.js')

diff --git a/data/extensions/jsr@javascriptrestrictor/helpers.js b/data/extensions/jsr@javascriptrestrictor/helpers.js
index caf65a9..9e184f2 100644
--- a/data/extensions/jsr@javascriptrestrictor/helpers.js
+++ b/data/extensions/jsr@javascriptrestrictor/helpers.js
@@ -54,7 +54,7 @@ function byteToHex(byte) {
  */
 function gen_random32() {
 	var array = new Uint32Array(1);
-	window.crypto.getRandomValues(array);
+	self.crypto.getRandomValues(array);
 	return array[0];
 }
 
@@ -63,7 +63,7 @@ function gen_random32() {
  */
 function gen_random64() {
   var array = new Uint32Array(2);
-  window.crypto.getRandomValues(array);
+  self.crypto.getRandomValues(array);
   return BigInt("" + array[0] + array[1]);
 }
 
@@ -72,7 +72,7 @@ function gen_random64() {
  */
 function generateId(len = 32) {
   var arr = new Uint8Array(len / 2);
-  window.crypto.getRandomValues(arr);
+  self.crypto.getRandomValues(arr);
   return Array.from(arr, byteToHex).join("");
 }
 
@@ -286,3 +286,18 @@ function correctSettingsForRemovedPermissions(permissions, settings, definition)
 			});
 	});
 };
+{
+
+	// hide incompatible UI
+	if (browser.tabs && self.document) {
+		const mv = "executeScript" in browser.tabs ? 2 : 3;
+		document.documentElement.classList.add(`mv${mv}`);
+		let devmode = false;
+		try {
+			devmode = !!browser.userScripts;
+		} catch (e) {
+		}
+		document.documentElement.classList.toggle("devmode", devmode);
+	}
+
+}
\ No newline at end of file
-- 
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