450 lines
11 KiB
PHP
450 lines
11 KiB
PHP
<?php
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namespace ManiaControl\Plugins;
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use ManiaControl\Callbacks\CallbackListener;
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use ManiaControl\Callbacks\TimerListener;
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use ManiaControl\Commands\CommandListener;
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use ManiaControl\ManiaControl;
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use ManiaControl\Manialinks\ManialinkPageAnswerListener;
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/**
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* Class managing Plugins
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*
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* @author ManiaControl Team <mail@maniacontrol.com>
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* @copyright 2014 ManiaControl Team
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* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
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*/
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class PluginManager {
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/*
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* Constants
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*/
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const TABLE_PLUGINS = 'mc_plugins';
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const CB_PLUGIN_LOADED = 'PluginManager.PluginLoaded';
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const CB_PLUGIN_UNLOADED = 'PluginManager.PluginUnloaded';
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/*
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* Private Properties
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*/
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private $maniaControl = null;
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private $pluginMenu = null;
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private $pluginInstallMenu = null;
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/** @var Plugin[] $activePlugins */
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private $activePlugins = array();
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/** @var string[] $pluginClasses */
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private $pluginClasses = array();
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/**
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* Construct plugin manager
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*
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* @param \ManiaControl\ManiaControl $maniaControl
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*/
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public function __construct(ManiaControl $maniaControl) {
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$this->maniaControl = $maniaControl;
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$this->initTables();
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$this->pluginMenu = new PluginMenu($maniaControl);
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$this->maniaControl->configurator->addMenu($this->pluginMenu);
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$this->pluginInstallMenu = new PluginInstallMenu($maniaControl);
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$this->maniaControl->configurator->addMenu($this->pluginInstallMenu);
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}
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/**
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* Initialize necessary database tables
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*
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* @return bool
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*/
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private function initTables() {
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$mysqli = $this->maniaControl->database->mysqli;
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$pluginsTableQuery = "CREATE TABLE IF NOT EXISTS `" . self::TABLE_PLUGINS . "` (
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`index` int(11) NOT NULL AUTO_INCREMENT,
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`className` varchar(100) NOT NULL,
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`active` tinyint(1) NOT NULL DEFAULT '0',
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`changed` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`index`),
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UNIQUE KEY `className` (`className`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='ManiaControl plugin status' AUTO_INCREMENT=1;";
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$tableStatement = $mysqli->prepare($pluginsTableQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error, E_USER_ERROR);
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return false;
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}
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$tableStatement->execute();
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if ($tableStatement->error) {
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trigger_error($tableStatement->error, E_USER_ERROR);
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return false;
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}
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$tableStatement->close();
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return true;
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}
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/**
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* Get the Plugin Id if the given Class is a Plugin
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*
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* @param string $pluginClass
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* @return int
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*/
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public static function getPluginId($pluginClass) {
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if (self::isPluginClass($pluginClass)) {
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/** @var Plugin $pluginClass */
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return $pluginClass::getId();
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}
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return null;
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}
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/**
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* Check if the given class implements the plugin interface
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*
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* @param string $pluginClass
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* @return bool
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*/
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public static function isPluginClass($pluginClass) {
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$pluginClass = self::getClass($pluginClass);
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if (!class_exists($pluginClass, false)) {
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return false;
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}
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$interfaces = class_implements($pluginClass, false);
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if (!$interfaces) {
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return false;
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}
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if (!in_array(Plugin::PLUGIN_INTERFACE, $interfaces)) {
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return false;
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}
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return true;
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}
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/**
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* Get the Class of the Object
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*
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* @param mixed $object
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* @return string
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*/
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private static function getClass($object) {
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if (is_object($object)) {
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return get_class($object);
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}
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return (string)$object;
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}
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/**
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* Deactivate the Plugin with the given Class
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*
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* @param string $pluginClass
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* @return bool
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*/
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public function deactivatePlugin($pluginClass) {
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$pluginClass = $this->getPluginClass($pluginClass);
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if (!$pluginClass) {
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return false;
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}
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if (!$this->isPluginActive($pluginClass)) {
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return false;
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}
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/** @var Plugin $plugin */
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$plugin = $this->activePlugins[$pluginClass];
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unset($this->activePlugins[$pluginClass]);
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$plugin->unload();
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if ($plugin instanceof CallbackListener) {
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$this->maniaControl->callbackManager->unregisterCallbackListener($plugin);
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$this->maniaControl->callbackManager->unregisterScriptCallbackListener($plugin);
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}
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if ($plugin instanceof CommandListener) {
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$this->maniaControl->commandManager->unregisterCommandListener($plugin);
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}
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if ($plugin instanceof ManialinkPageAnswerListener) {
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$this->maniaControl->manialinkManager->unregisterManialinkPageAnswerListener($plugin);
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}
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if ($plugin instanceof TimerListener) {
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$this->maniaControl->timerManager->unregisterTimerListenings($plugin);
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}
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$this->savePluginStatus($pluginClass, false);
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$this->maniaControl->callbackManager->triggerCallback(self::CB_PLUGIN_UNLOADED, $pluginClass, $plugin);
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return true;
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}
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/**
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* Get the Class of the Plugin
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*
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* @param mixed $pluginClass
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* @return string
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*/
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public static function getPluginClass($pluginClass) {
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$pluginClass = self::getClass($pluginClass);
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if (!self::isPluginClass($pluginClass)) {
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return false;
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}
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return $pluginClass;
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}
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/**
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* Check if the Plugin is currently running
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*
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* @param string $pluginClass
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* @return bool
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*/
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public function isPluginActive($pluginClass) {
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$pluginClass = $this->getPluginClass($pluginClass);
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return isset($this->activePlugins[$pluginClass]);
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}
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/**
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* Save Plugin Status in Database
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*
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* @param string $className
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* @param bool $active
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* @return bool
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*/
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private function savePluginStatus($className, $active) {
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$mysqli = $this->maniaControl->database->mysqli;
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$pluginStatusQuery = "INSERT INTO `" . self::TABLE_PLUGINS . "` (
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`className`,
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`active`
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) VALUES (
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?, ?
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) ON DUPLICATE KEY UPDATE
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`active` = VALUES(`active`);";
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$pluginStatement = $mysqli->prepare($pluginStatusQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return false;
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}
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$activeInt = ($active ? 1 : 0);
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$pluginStatement->bind_param('si', $className, $activeInt);
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$pluginStatement->execute();
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if ($pluginStatement->error) {
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trigger_error($pluginStatement->error);
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$pluginStatement->close();
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return false;
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}
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$pluginStatement->close();
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return true;
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}
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/**
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* Load complete Plugins Directory and start all configured Plugins
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*
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* @return string[]
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*/
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public function loadPlugins() {
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$pluginsDirectory = ManiaControlDir . 'plugins' . DIRECTORY_SEPARATOR;
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$classesBefore = get_declared_classes();
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$this->loadPluginFiles($pluginsDirectory);
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$classesAfter = get_declared_classes();
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$newPluginClasses = array();
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$newClasses = array_diff($classesAfter, $classesBefore);
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foreach ($newClasses as $className) {
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if (!$this->isPluginClass($className)) {
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continue;
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}
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if (!$this->addPluginClass($className)) {
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continue;
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}
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array_push($newPluginClasses, $className);
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/** @var Plugin $className */
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$className::prepare($this->maniaControl);
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if ($this->getSavedPluginStatus($className)) {
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$this->activatePlugin($className);
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}
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}
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return $newPluginClasses;
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}
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/**
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* Load all Plugin Files from the Directory
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*
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* @param string $directory
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*/
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public function loadPluginFiles($directory = '') {
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$pluginFiles = scandir($directory);
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foreach ($pluginFiles as $pluginFile) {
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if (stripos($pluginFile, '.') === 0) {
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continue;
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}
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$filePath = $directory . $pluginFile;
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if (is_file($filePath)) {
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if (!stripos($pluginFile, '.php')) {
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continue;
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}
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$success = include_once $filePath;
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if (!$success) {
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trigger_error("Error loading File '{$filePath}'!");
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}
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continue;
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}
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$dirPath = $directory . $pluginFile;
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if (is_dir($dirPath)) {
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$this->loadPluginFiles($dirPath . DIRECTORY_SEPARATOR);
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continue;
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}
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}
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}
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/**
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* Add the class to array of loaded plugin classes
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*
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* @param string $pluginClass
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* @return bool
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*/
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public function addPluginClass($pluginClass) {
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$pluginClass = $this->getPluginClass($pluginClass);
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if (in_array($pluginClass, $this->pluginClasses)) {
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return false;
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}
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if (!$this->isPluginClass($pluginClass)) {
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return false;
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}
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array_push($this->pluginClasses, $pluginClass);
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sort($this->pluginClasses);
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return true;
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}
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/**
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* Get plugin status from database
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*
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* @param string $className
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* @return bool
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*/
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public function getSavedPluginStatus($className) {
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$mysqli = $this->maniaControl->database->mysqli;
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$pluginStatusQuery = "SELECT `active` FROM `" . self::TABLE_PLUGINS . "`
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WHERE `className` = ?;";
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$pluginStatement = $mysqli->prepare($pluginStatusQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return false;
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}
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$pluginStatement->bind_param('s', $className);
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$pluginStatement->execute();
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if ($pluginStatement->error) {
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trigger_error($pluginStatement->error);
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$pluginStatement->close();
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return false;
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}
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$pluginStatement->store_result();
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if ($pluginStatement->num_rows <= 0) {
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$pluginStatement->free_result();
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$pluginStatement->close();
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$this->savePluginStatus($className, false);
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return false;
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}
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$pluginStatement->bind_result($activeInt);
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$pluginStatement->fetch();
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$active = ($activeInt === 1);
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$pluginStatement->free_result();
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$pluginStatement->close();
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return $active;
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}
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/**
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* Activate and start the plugin with the given name
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*
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* @param string $pluginClass
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* @param string $adminLogin
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* @return bool
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*/
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public function activatePlugin($pluginClass, $adminLogin = null) {
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if (!$this->isPluginClass($pluginClass)) {
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return false;
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}
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if ($this->isPluginActive($pluginClass)) {
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return false;
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}
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/** @var Plugin $plugin */
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$plugin = new $pluginClass();
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try {
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$plugin->load($this->maniaControl);
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} catch (\Exception $e) {
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$message = "Error during Plugin Activation of '{$pluginClass}': '{$e->getMessage()}'";
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$this->maniaControl->chat->sendError($message, $adminLogin);
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$this->maniaControl->log($message);
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$this->savePluginStatus($pluginClass, false);
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return false;
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}
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$this->activePlugins[$pluginClass] = $plugin;
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$this->savePluginStatus($pluginClass, true);
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$this->maniaControl->callbackManager->triggerCallback(self::CB_PLUGIN_LOADED, $pluginClass, $plugin);
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return true;
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}
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/**
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* Returns a Plugin if it is activated
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*
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* @param string $pluginClass
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* @return Plugin
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*/
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public function getPlugin($pluginClass) {
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if ($this->isPluginActive($pluginClass)) {
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return $this->activePlugins[$pluginClass];
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}
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return null;
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}
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/**
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* Get all declared plugin class names
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*
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* @return string[]
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*/
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public function getPluginClasses() {
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return $this->pluginClasses;
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}
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/**
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* Get the Ids of all active Plugins
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*
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* @return string[]
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*/
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public function getActivePluginsIds() {
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$pluginsIds = array();
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foreach ($this->getActivePlugins() as $plugin) {
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$pluginId = $plugin::getId();
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if (is_numeric($pluginId)) {
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array_push($pluginsIds, $pluginId);
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}
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}
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return $pluginsIds;
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}
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/**
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* Get all active Plugins
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*
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* @return Plugin[]
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*/
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public function getActivePlugins() {
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return $this->activePlugins;
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}
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/**
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* Fetch the Plugins List from the ManiaControl Website
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*
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* @param callable $function
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*/
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public function fetchPluginList(callable $function) {
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$url = ManiaControl::URL_WEBSERVICE . 'plugins';
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$this->maniaControl->fileReader->loadFile($url, function ($dataJson, $error) use (&$function) {
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$data = json_decode($dataJson);
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call_user_func($function, $data, $error);
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});
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}
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}
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