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  1: <?php
  2: 
  3: // include the config file
  4: if(!isset($config)) {
  5:     require_once '../util/AlphaConfig.inc';
  6:     $config = AlphaConfig::getInstance();
  7: 
  8:     require_once $config->get('app.root').'alpha/util/AlphaAutoLoader.inc';
  9: }
 10: 
 11: /**
 12:  * Logout controller that removes the current user object from the session
 13:  *
 14:  * @package alpha::controller
 15:  * @since 1.0
 16:  * @author John Collins <dev@alphaframework.org>
 17:  * @version $Id: Logout.php 1765 2014-04-22 21:26:23Z alphadevx $
 18:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
 19:  * @copyright Copyright (c) 2014, John Collins (founder of Alpha Framework).
 20:  * All rights reserved.
 21:  *
 22:  * <pre>
 23:  * Redistribution and use in source and binary forms, with or
 24:  * without modification, are permitted provided that the
 25:  * following conditions are met:
 26:  *
 27:  * * Redistributions of source code must retain the above
 28:  *   copyright notice, this list of conditions and the
 29:  *   following disclaimer.
 30:  * * Redistributions in binary form must reproduce the above
 31:  *   copyright notice, this list of conditions and the
 32:  *   following disclaimer in the documentation and/or other
 33:  *   materials provided with the distribution.
 34:  * * Neither the name of the Alpha Framework nor the names
 35:  *   of its contributors may be used to endorse or promote
 36:  *   products derived from this software without specific
 37:  *   prior written permission.
 38:  *
 39:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 40:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 41:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 42:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 43:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 44:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 45:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 46:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 47:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 48:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 49:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 50:  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 51:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 52:  * </pre>
 53:  *
 54:  */
 55: class Logout extends AlphaController implements AlphaControllerInterface {
 56:     /**
 57:      * Trace logger
 58:      *
 59:      * @var Logger
 60:      * @since 1.0
 61:      */
 62:     private static $logger = null;
 63: 
 64:     /**
 65:      * constructor to set up the object
 66:      *
 67:      * @since 1.0
 68:      */
 69:     public function __construct() {
 70:         self::$logger = new Logger('Logout');
 71:         self::$logger->debug('>>__construct()');
 72: 
 73:         // ensure that the super class constructor is called, indicating the rights group
 74:         parent::__construct('Public');
 75: 
 76:         if(isset($_SESSION['currentUser']))
 77:             $this->setBO($_SESSION['currentUser']);
 78:         else
 79:             self::$logger->warn('Logout controller called when no user is logged in');
 80: 
 81:         // set up the title and meta details
 82:         $this->setTitle('Logged out successfully.');
 83:         $this->setDescription('Logout page.');
 84:         $this->setKeywords('Logout,logon');
 85: 
 86:         self::$logger->debug('<<__construct');
 87:     }
 88: 
 89:     /**
 90:      * Handle POST requests (adds $currentUser PersonObject to the session)
 91:      *
 92:      * @param array $params
 93:      * @since 1.0
 94:      */
 95:     public function doPOST($params) {
 96:         self::$logger->debug('>>doPOST($params=['.var_export($params, true).'])');
 97: 
 98:         self::$logger->debug('<<doPOST');
 99:     }
100: 
101:     /**
102:      * Handle GET requests
103:      *
104:      * @param array $params
105:      * @since 1.0
106:      * @throws AlphaException
107:      */
108:     public function doGET($params) {
109:         self::$logger->debug('>>doGET($params=['.var_export($params, true).'])');
110: 
111:         global $config;
112: 
113:         if($this->BO instanceof PersonObject) {
114:             self::$logger->debug('Logging out ['.$this->BO->get('email').'] at ['.date("Y-m-d H:i:s").']');
115:             self::$logger->action('Logout');
116:         }
117: 
118:         $_SESSION = array();
119: 
120:         session_destroy();
121: 
122:         echo AlphaView::displayPageHead($this);
123: 
124:         echo AlphaView::displayUpdateMessage('You have successfully logged out of the system.');
125: 
126:         echo '<div align="center"><a href="'.$config->get('app.url').'">Home Page</a></div>';
127: 
128:         echo AlphaView::displayPageFoot($this);
129: 
130:         self::$logger->debug('<<doGET');
131:     }
132: }
133: 
134: // now build the new controller if this file is called directly
135: if ('Logout.php' == basename($_SERVER['PHP_SELF'])) {
136:     $controller = new Logout();
137: 
138:     if(!empty($_POST)) {
139:         $controller->doPOST($_POST);
140:     }else{
141:         $controller->doGET($_GET);
142:     }
143: }
144: 
145: ?>
Alpha Framework 1.2.4 API Documentation API documentation generated by ApiGen 2.8.0