From 6890f3c93ac936a0ab25967785a078172b091ebe Mon Sep 17 00:00:00 2001
From: Danny van Kooten <dannyvankooten@users.noreply.github.com>
Date: Mon, 16 Oct 2023 09:36:34 +0200
Subject: [PATCH] remove support for honoring 'Do Not Track' browser header as
 per MDN recommendations.

See: https://developer.mozilla.org/en-US/docs/Web/API/Navigator/doNotTrack
See: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/DNT
---
 assets/src/js/script.js                               | 5 +----
 code-snippets/ignore-do-not-track-browser-setting.php | 3 ---
 src/class-script-loader.php                           | 3 ---
 3 files changed, 1 insertion(+), 10 deletions(-)
 delete mode 100644 code-snippets/ignore-do-not-track-browser-setting.php

diff --git a/assets/src/js/script.js b/assets/src/js/script.js
index 968c37ad..ddb53732 100644
--- a/assets/src/js/script.js
+++ b/assets/src/js/script.js
@@ -29,12 +29,9 @@ function request(url, cb) {
 }
 
 function trackPageview (postId) {
-  let {dnt, use_cookie, cookie_path} = win[ka]
+  let {use_cookie, cookie_path} = win[ka]
 
   if (
-    // do not track if "Do Not Track" is enabled
-    (nav.doNotTrack == 1 && dnt) ||
-
     // do not track if this is a prerender request
     (doc.visibilityState == 'prerender') ||
 
diff --git a/code-snippets/ignore-do-not-track-browser-setting.php b/code-snippets/ignore-do-not-track-browser-setting.php
deleted file mode 100644
index 0506e6fe..00000000
--- a/code-snippets/ignore-do-not-track-browser-setting.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-
-add_filter('koko_analytics_honor_dnt', '__return_false');
diff --git a/src/class-script-loader.php b/src/class-script-loader.php
index 353d4250..6dc07c5d 100644
--- a/src/class-script-loader.php
+++ b/src/class-script-loader.php
@@ -112,9 +112,6 @@ public function print_js_object()
 
             // path to store the cookie in (will be subdirectory if website root is in subdirectory)
             'cookie_path' => $this->get_cookie_path(),
-
-            // whether to honor DoNotTrack
-            'dnt' => apply_filters('koko_analytics_honor_dnt', true),
         );
         echo '<script>window.koko_analytics = ', json_encode($script_config), ';</script>';
     }