1: <?php
  2: /*****************************************************************************************
  3:  * X2Engine Open Source Edition is a customer relationship management program developed by
  4:  * X2Engine, Inc. Copyright (C) 2011-2016 X2Engine Inc.
  5:  * 
  6:  * This program is free software; you can redistribute it and/or modify it under
  7:  * the terms of the GNU Affero General Public License version 3 as published by the
  8:  * Free Software Foundation with the addition of the following permission added
  9:  * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 10:  * IN WHICH THE COPYRIGHT IS OWNED BY X2ENGINE, X2ENGINE DISCLAIMS THE WARRANTY
 11:  * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 12:  * 
 13:  * This program is distributed in the hope that it will be useful, but WITHOUT
 14:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 15:  * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 16:  * details.
 17:  * 
 18:  * You should have received a copy of the GNU Affero General Public License along with
 19:  * this program; if not, see http://www.gnu.org/licenses or write to the Free
 20:  * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 21:  * 02110-1301 USA.
 22:  * 
 23:  * You can contact X2Engine, Inc. P.O. Box 66752, Scotts Valley,
 24:  * California 95067, USA. or at email address [email protected].
 25:  * 
 26:  * The interactive user interfaces in modified source and object code versions
 27:  * of this program must display Appropriate Legal Notices, as required under
 28:  * Section 5 of the GNU Affero General Public License version 3.
 29:  * 
 30:  * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 31:  * these Appropriate Legal Notices must retain the display of the "Powered by
 32:  * X2Engine" logo. If the display of the logo is not reasonably feasible for
 33:  * technical reasons, the Appropriate Legal Notices must display the words
 34:  * "Powered by X2Engine".
 35:  *****************************************************************************************/
 36: 
 37: Yii::import('application.components.util.*');
 38: 
 39: /**
 40:  * Base action class for actions associated with the updater utility.
 41:  *
 42:  * The updater is kept separate from the rest of the application like this to
 43:  * enable updating it to the latest version pre-emptively without harming any
 44:  * other part of the application with incompatibilities. For this reason,
 45:  * coupling between actions and the controller is intentionally kept very loose
 46:  * and limited to use of ubiquitous methods like {@link CController::render()},
 47:  * with the exception of "error500" (which was in AdminController as of the
 48:  * switch to the new self-contained updater utility).
 49:  *
 50:  * References to the application singleton and controller are thus accompanied
 51:  * by or wrapped in a slew of conditional statements for purposes of backwards
 52:  * compatibility.
 53:  *
 54:  * @package application.components.webupdater
 55:  * @author Demitri Morgan <[email protected]>
 56:  */
 57: abstract class WebUpdaterAction extends CAction{
 58: 
 59:     public function behaviors() {
 60:         return array(
 61:             'UpdaterBehavior' => array(
 62:                 'class' => 'application.components.UpdaterBehavior'
 63:             )
 64:         );
 65:     }
 66: 
 67:     /**
 68:      * Override of CAction's construct; all child classes need to have the
 69:      * behavior {@link UpdaterBehavior} attached and enabled.
 70:      * 
 71:      * @param type $controller
 72:      * @param type $id 
 73:      */
 74:     public function __construct($controller, $id){
 75:         parent::__construct($controller, $id);
 76:         $this->attachBehaviors($this->behaviors());
 77:         // Be certain we can continue safely:
 78:         $this->requireDependencies();
 79:     }
 80: 
 81:     /**
 82:      * Wrapper for {@link UpdaterBehavior::updateUpdater} that displays errors
 83:      * in a user-friendly way and reloads the page.
 84:      *
 85:      * It contains hideous references to the controller (specifically,
 86:      * {@link AdminController}) only to avoid code duplication while at the same
 87:      * time remaining backwards-compatible with earlier versions (which will
 88:      * download AdminController, hence necessitating that AdminController have
 89:      * all the necessary functions for throwing errors in cases of missing
 90:      * dependencies that can't be auto-retrieved).
 91:      */
 92:     public function runUpdateUpdater($updaterCheck, $redirect){
 93:         try{
 94:             if(count($classes = $this->updateUpdater($updaterCheck))){
 95:                 $this->output(Yii::t('admin', 'One or more dependencies of AdminController are missing and could not be automatically retrieved. They are {classes}', array('{classes}' => implode(', ', $classes))), 'error', 1);
 96:                 $this->controller->missingClassesException($classes);
 97:             }
 98:             $this->output(Yii::t('admin', 'The updater is now up-to-date and compliant with the updates server.'));
 99:             $this->controller->redirect($redirect);
100:         }catch(Exception $e){
101:             $this->controller->error500($e->getMessage());
102:         }
103:     }
104: }
105: ?>
106: