From 87d590e4762fe0f39f02acc11b5757ccf916d3b9 Mon Sep 17 00:00:00 2001
From: eldk <webmaster@opalesurfcasting.net>
Date: Tue, 12 Jun 2018 01:52:31 +0200
Subject: [PATCH] add DNT DoNotTrack Support : When browser make request with
 DNT header set to yes or 1, set all services to false and service.fallback if
 needed. tarteaucitronAlertBig is not displayed/needed but
 tarteaucitronAlertSmall is.

---
 tarteaucitron.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tarteaucitron.js b/tarteaucitron.js
index 0cada71..81b806c 100644
--- a/tarteaucitron.js
+++ b/tarteaucitron.js
@@ -405,6 +405,7 @@ var tarteaucitron = {
             isDenied = (cookie.indexOf(service.key + '=false') >= 0) ? true : false,
             isAllowed = (cookie.indexOf(service.key + '=true') >= 0) ? true : false,
             isResponded = (cookie.indexOf(service.key + '=false') >= 0 || cookie.indexOf(service.key + '=true') >= 0) ? true : false;
+            isDNTRequested = (navigator.doNotTrack === "1" || navigator.doNotTrack === "yes" || navigator.msDoNotTrack === "1" || window.doNotTrack === "1") ? true : false;
 
         if (tarteaucitron.added[service.key] !== true) {
             tarteaucitron.added[service.key] = true;
@@ -462,6 +463,13 @@ var tarteaucitron = {
             }
             tarteaucitron.state[service.key] = false;
             tarteaucitron.userInterface.color(service.key, false);
+        } else if (!isResponded && isDNTRequested) {
+            tarteaucitron.cookie.create(service.key, 'false');
+            if (typeof service.fallback === 'function') {
+                service.fallback();
+            }
+            tarteaucitron.state[service.key] = false;
+            tarteaucitron.userInterface.color(service.key, false);
         } else if (!isResponded) {
             tarteaucitron.cookie.create(service.key, 'wait');
             if (typeof service.fallback === 'function') {