From 60e671e956938a46a9da9a11e973eada03ca11d2 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Fri, 15 Nov 2024 12:47:24 +0100
Subject: [PATCH] Issue #2652 - Part2: Add "Clear DNS cache" button to
 about:networking

Resolves #2652
---
 toolkit/content/aboutNetworking.js                      | 8 ++++++++
 toolkit/content/aboutNetworking.xhtml                   | 2 ++
 toolkit/locales/en-US/chrome/global/aboutNetworking.dtd | 1 +
 3 files changed, 11 insertions(+)

diff --git a/toolkit/content/aboutNetworking.js b/toolkit/content/aboutNetworking.js
index 9400ae9d70..633af63c0e 100644
--- a/toolkit/content/aboutNetworking.js
+++ b/toolkit/content/aboutNetworking.js
@@ -176,6 +176,14 @@ function init() {
     doLookup();
   });
 
+  let clearDNSCache = document.getElementById("clearDNSCache");
+  clearDNSCache.addEventListener("click", function() {
+    Cc["@mozilla.org/network/dns-service;1"]
+      .getService(Ci.nsIDNSService)
+      .clearCache();
+    requestAllNetworkingData();
+  });
+
   let setLogButton = document.getElementById("set-log-file-button");
   setLogButton.addEventListener("click", setLogFile);
 
diff --git a/toolkit/content/aboutNetworking.xhtml b/toolkit/content/aboutNetworking.xhtml
index 440ee78385..17bcc2ac49 100644
--- a/toolkit/content/aboutNetworking.xhtml
+++ b/toolkit/content/aboutNetworking.xhtml
@@ -96,6 +96,8 @@
           </div>
 
           <div id="dns" class="tab" hidden="true">
+              <button id="clearDNSCache">&aboutNetworking.clearDNSCache;</button>
+              <br/><br/>
               <table>
                   <thead>
                       <tr>
diff --git a/toolkit/locales/en-US/chrome/global/aboutNetworking.dtd b/toolkit/locales/en-US/chrome/global/aboutNetworking.dtd
index 4069e21c05..5674dfcd67 100644
--- a/toolkit/locales/en-US/chrome/global/aboutNetworking.dtd
+++ b/toolkit/locales/en-US/chrome/global/aboutNetworking.dtd
@@ -41,3 +41,4 @@
 <!ENTITY aboutNetworking.dnsLookupButton       "Resolve">
 <!ENTITY aboutNetworking.dnsDomain             "Domain">
 <!ENTITY aboutNetworking.dnsLookupTableColumn  "IPs">
+<!ENTITY aboutNetworking.clearDNSCache         "Clear DNS cache">