Issue #3494874 by bluegeek9: Reverse proxy: tracker.min.js blocked from...

Issue #3494874 by bluegeek9: Reverse proxy: tracker.min.js blocked from loading (strict-origin-when-cross-origin)

Closes #3494874

src/Service/ScriptService.php

@@ -4,7 +4,6 @@ namespace Drupal\visitors\Service;
 
 use Drupal\Component\Render\MarkupInterface;
 use Drupal\Component\Serialization\Json;
-use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Cache\Cache;
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Entity\EntityRepositoryInterface;
@@ -173,7 +172,7 @@ class ScriptService implements VisitorsScriptInterface {
     // $this->config->get('site_id') ?? '1';
     $id = 1;
 
-    $url_http = $site_url = $this->request->getScheme() . '://' . $this->request->getHost();
+    $url_http = $site_url = '/';
     // $this->config->get('url_http');
     $url_https = $this->config->get('url_https') ?? $site_url;
 
@@ -306,7 +305,7 @@ class ScriptService implements VisitorsScriptInterface {
     // @see https://matomo.org/docs/javascript-tracking/#toc-asynchronous-tracking
     $script = 'var _paq = window._paq = window._paq || [];';
     $script .= 'var tracker = function(){';
-    $script .= 'var u=(("https:" == document.location.protocol) ? "' . UrlHelper::filterBadProtocol($url_https) . '" : "' . UrlHelper::filterBadProtocol($url_http) . '");';
+    $script .= 'var u="";';
     $script .= '_paq.push(["setSiteId", ' . Json::encode($id) . ']);';
     $script .= '_paq.push(["setTrackerUrl", u+"' . $base_path . '/visitors/_track"]);';