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msd2/myoos/includes/classes/class_plugin_event.php

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+<?php
+/* ----------------------------------------------------------------------
+
+   MyOOS [Shopsystem]
+   https://www.oos-shop.de
+
+   Copyright (c) 2003 - 2019 by the MyOOS Development Team.
+   ----------------------------------------------------------------------
+   Based on:
+
+   osCommerce, Open Source E-Commerce Solutions
+   http://www.oscommerce.com
+
+   Copyright (c) 2003 osCommerce
+   ----------------------------------------------------------------------
+   Released under the GNU General Public License
+   ---------------------------------------------------------------------- */
+
+
+  /** ensure this file is being included by a parent file */
+  defined( 'OOS_VALID_MOD' ) OR die( 'Direct Access to this location is not allowed.' );
+
+  class plugin_event {
+    var $aEventPlugins, $aPlugins;
+
+	public function __construct() {
+      $this->aEventPlugins = explode(';', MODULE_PLUGIN_EVENT_INSTALLED);
+    }
+
+    public function getInstance() {
+      $this->aPlugins = array();
+
+      foreach ($this->aEventPlugins as $event) {
+        $this->load_plugin($event);
+      }
+    }
+
+
+    public function load_plugin($sInstance, $sPluginPath = '') {
+
+      $sName = 'oos_event_' . $sInstance;
+
+      if (!class_exists($sName)) {
+        if (empty($sPluginPath)) {
+          if (empty($sPluginPath)) {
+            $sPluginPath = $sName;
+          }
+        }
+
+
+        $sPluginPath = oos_var_prep_for_os($sPluginPath);
+        $sName = oos_var_prep_for_os($sName);
+
+        if (file_exists('includes/plugins/' . $sPluginPath . '/' . $sName . '.php')) {
+          include_once 'includes/plugins/' . $sPluginPath . '/' . $sName . '.php';
+        }
+
+        if (isset($_SESSION['language']) &&  file_exists('includes/plugins/' . $sPluginPath . '/lang/' . oos_var_prep_for_os($_SESSION['language']) . '.php')) {
+          include_once 'includes/plugins/' . $sPluginPath . '/lang/' . oos_var_prep_for_os($_SESSION['language']) . '.php';
+        } elseif (file_exists('includes/plugins/' . $sPluginPath . '/lang/' . DEFAULT_LANGUAGE . '.php')) {
+          include_once 'includes/plugins/' . $sPluginPath . '/lang/' . DEFAULT_LANGUAGE . '.php';
+        }
+
+        if (!class_exists($sName)) {
+          return FALSE;
+        }
+      }
+
+      if (@call_user_func(array('oos_event_' . $sInstance, 'create_plugin_instance'))) {
+        $this->aPlugins[] = $sName;
+      }
+
+      return TRUE;
+    }
+
+
+    public function introspect() {
+      $this->aPlugins = array();
+
+      foreach ($this->aEventPlugins as $event) {
+        $this->get_intro($event);
+      }
+    }
+
+
+    public function get_intro($event) {
+      @call_user_func(array('oos_event_' . $event, 'intro'));
+    }
+
+
+    public function installed_plugin($event) {
+       return in_array($event, $this->aEventPlugins);
+    }
+  }
+