add css and js file serving

includes/config.plugin.php

@@ -1,7 +1,69 @@
 <?php
+
 /**
  * config file for cookie consent manager
  * 
  * @author Ortwin Pinke <ortwin.pinke@php-backoffice.de>
  * 
- */
+ */
+if (!defined('CON_FRAMEWORK')) {
+    die('Illegal call');
+}
+
+$sPluginName = 'phpbo.cookie_consent';
+
+function phpboccInjectFrontend($sHtml) {
+    $sInjection = '';
+    $sInjection .= '<link rel="stylesheet" href="front_content.php?phpboccGetCss=klaro.css" />'. "\n";
+    $sInjection .= '<script type="text/javascript" src="front_content.php?phpboccGetJs=config.js"></script>' . "\n";
+    $sInjection .= '<script type="text/javascript" src="front_content.php?phpboccGetJs=klaro.js"></script>' . "\n";
+    $sInjection .= '</body>';
+
+
+    return str_replace('</body>', $sInjection, $sHtml);
+}
+
+function phpboccGetJs() {
+    if (isset($_GET['phpboccGetJs'])) {
+        $sFileContent = '';
+        ob_end_clean();
+        header("Content-Type: application/javascript");
+        header("Cache-Control: max-age=604800, public");
+
+        switch ($_GET['phpboccGetJs']) {
+            case 'config.js':
+                $sFileContent = file_get_contents(dirname(__FILE__, 2).'/external/klaro/config.js');
+                break;
+            case 'klaro.js':
+                $sFileContent = file_get_contents(dirname(__FILE__, 2).'/external/klaro/klaro.js');
+                break;
+            default:
+                break;
+        }        
+        echo $sFileContent;
+        die();
+    }
+}
+
+function phpboccGetCss() {
+    if (isset($_GET['phpboccGetCss'])) {
+        $sFileContent = '';
+        ob_end_clean();
+        header("Content-type: text/css; charset: UTF-8");
+        header("Cache-Control: max-age=604800, public");
+
+        switch ($_GET['phpboccGetCss']) {
+            case 'klaro.css':
+                $sFileContent = file_get_contents(dirname(__FILE__, 2).'/external/klaro/klaro.css');
+                break;
+            default:
+                break;
+        }        
+        echo $sFileContent;
+        die();
+    }
+}
+
+$_cecRegistry->addChainFunction("Contenido.Frontend.HTMLCodeOutput", "phpboccInjectFrontend");
+$_cecRegistry->addChainFunction("Contenido.Frontend.AfterLoadPlugins", "phpboccGetJs");
+$_cecRegistry->addChainFunction("Contenido.Frontend.AfterLoadPlugins", "phpboccGetCss");