Piwik\Plugins\CoreAdminHome\CoreAdminHome::addJsGlobalVariables PHP Method

    public function addJsGlobalVariables(&$out)
    {
        if (ProxyHttp::isHttps()) {
            $isHttps = 'true';
        } else {
            $isHttps = 'false';
        }
        $out .= "piwik.hasServerDetectedHttps = {$isHttps};\n";
    }