Piwik\FrontController::init PHP Method

    public function init()
    {
        if ($this->initialized) {
            return;
        }
        $this->initialized = true;
        $tmpPath = StaticContainer::get('path.tmp');
        $directoriesToCheck = array($tmpPath, $tmpPath . '/assets/', $tmpPath . '/cache/', $tmpPath . '/logs/', $tmpPath . '/tcpdf/', $tmpPath . '/templates_c/');
        Filechecks::dieIfDirectoriesNotWritable($directoriesToCheck);
        $this->handleMaintenanceMode();
        $this->handleProfiler();
        $this->handleSSLRedirection();
        Plugin\Manager::getInstance()->loadPluginTranslations();
        Plugin\Manager::getInstance()->loadActivatedPlugins();
        // try to connect to the database
        try {
            Db::createDatabaseObject();
            Db::fetchAll("SELECT DATABASE()");
        } catch (Exception $exception) {
            if (self::shouldRethrowException()) {
                throw $exception;
            }
            Log::debug($exception);
            /**
             * Triggered when Piwik cannot connect to the database.
             *
             * This event can be used to start the installation process or to display a custom error
             * message.
             *
             * @param Exception $exception The exception thrown from creating and testing the database
             *                             connection.
             */
            Piwik::postEvent('Db.cannotConnectToDb', array($exception), $pending = true);
            throw $exception;
        }
        // try to get an option (to check if data can be queried)
        try {
            Option::get('TestingIfDatabaseConnectionWorked');
        } catch (Exception $exception) {
            if (self::shouldRethrowException()) {
                throw $exception;
            }
            Log::debug($exception);
            /**
             * Triggered when Piwik cannot access database data.
             *
             * This event can be used to start the installation process or to display a custom error
             * message.
             *
             * @param Exception $exception The exception thrown from trying to get an option value.
             */
            Piwik::postEvent('Config.badConfigurationFile', array($exception), $pending = true);
            throw $exception;
        }
        // Init the Access object, so that eg. core/Updates/* can enforce Super User and use some APIs
        Access::getInstance();
        /**
         * Triggered just after the platform is initialized and plugins are loaded.
         *
         * This event can be used to do early initialization.
         *
         * _Note: At this point the user is not authenticated yet._
         */
        Piwik::postEvent('Request.dispatchCoreAndPluginUpdatesScreen');
        $this->throwIfPiwikVersionIsOlderThanDBSchema();
        if (empty($_GET['module']) || empty($_GET['action']) || $_GET['module'] !== 'Installation' || !in_array($_GET['action'], array('getInstallationCss', 'getInstallationJs'))) {
            \Piwik\Plugin\Manager::getInstance()->installLoadedPlugins();
        }
        // ensure the current Piwik URL is known for later use
        if (method_exists('Piwik\\SettingsPiwik', 'getPiwikUrl')) {
            SettingsPiwik::getPiwikUrl();
        }
        /**
         * Triggered before the user is authenticated, when the global authentication object
         * should be created.
         *
         * Plugins that provide their own authentication implementation should use this event
         * to set the global authentication object (which must derive from {@link Piwik\Auth}).
         *
         * **Example**
         *
         *     Piwik::addAction('Request.initAuthenticationObject', function() {
         *         StaticContainer::getContainer()->set('Piwik\Auth', new MyAuthImplementation());
         *     });
         */
        Piwik::postEvent('Request.initAuthenticationObject');
        try {
            $authAdapter = StaticContainer::get('Piwik\\Auth');
        } catch (Exception $e) {
            $message = "Authentication object cannot be found in the container. Maybe the Login plugin is not activated?\n                        <br />You can activate the plugin by adding:<br />\n                        <code>Plugins[] = Login</code><br />\n                        under the <code>[Plugins]</code> section in your config/config.ini.php";
            $ex = new AuthenticationFailedException($message);
            $ex->setIsHtmlMessage();
            throw $ex;
        }
        Access::getInstance()->reloadAccess($authAdapter);
        // Force the auth to use the token_auth if specified, so that embed dashboard
        // and all other non widgetized controller methods works fine
        if (Common::getRequestVar('token_auth', false, 'string') !== false) {
            Request::reloadAuthUsingTokenAuth();
        }
        SettingsServer::raiseMemoryLimitIfNecessary();
        \Piwik\Plugin\Manager::getInstance()->postLoadPlugins();
        /**
         * Triggered after the platform is initialized and after the user has been authenticated, but
         * before the platform has handled the request.
         *
         * Piwik uses this event to check for updates to Piwik.
         */
        Piwik::postEvent('Platform.initialized');
    }