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:  *
 13:  * Controller used to view (download) an attachment file on an ArticleObject
 14:  *
 15:  * @package alpha::controller
 16:  * @since 1.0
 17:  * @author John Collins <dev@alphaframework.org>
 18:  * @version $Id: ViewAttachment.php 1654 2013-03-08 17:13:14Z alphadevx $
 19:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
 20:  * @copyright Copyright (c) 2013, John Collins (founder of Alpha Framework).
 21:  * All rights reserved.
 22:  *
 23:  * <pre>
 24:  * Redistribution and use in source and binary forms, with or
 25:  * without modification, are permitted provided that the
 26:  * following conditions are met:
 27:  *
 28:  * * Redistributions of source code must retain the above
 29:  *   copyright notice, this list of conditions and the
 30:  *   following disclaimer.
 31:  * * Redistributions in binary form must reproduce the above
 32:  *   copyright notice, this list of conditions and the
 33:  *   following disclaimer in the documentation and/or other
 34:  *   materials provided with the distribution.
 35:  * * Neither the name of the Alpha Framework nor the names
 36:  *   of its contributors may be used to endorse or promote
 37:  *   products derived from this software without specific
 38:  *   prior written permission.
 39:  *
 40:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 41:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 42:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 43:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 44:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 45:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 46:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 47:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 48:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 49:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 50:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 51:  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 52:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 53:  * </pre>
 54:  *
 55:  */
 56: class ViewAttachment extends AlphaController implements AlphaControllerInterface{
 57:     /**
 58:      * Trace logger
 59:      *
 60:      * @var Logger
 61:      * @since 1.0
 62:      */
 63:     private static $logger = null;
 64: 
 65:     /**
 66:      * The constructor
 67:      *
 68:      * @since 1.0
 69:      */
 70:     public function __construct() {
 71:         self::$logger = new Logger('ViewAttachment');
 72:         self::$logger->debug('>>__construct()');
 73: 
 74:         // ensure that the super class constructor is called, indicating the rights group
 75:         parent::__construct('Public');
 76: 
 77:         self::$logger->debug('<<__construct');
 78:     }
 79: 
 80:     /**
 81:      * Handle GET requests
 82:      *
 83:      * @param array $params
 84:      * @since 1.0
 85:      * @throws ResourceNotFoundException
 86:      */
 87:     public function doGET($params) {
 88:         self::$logger->debug('>>doGET($params=['.var_export($params, true).'])');
 89: 
 90:         global $config;
 91: 
 92:         try {
 93:             if(isset($params['dir']) && isset($params['filename'])) {
 94:                 $filePath = $params['dir'].'/'.$params['filename'];
 95: 
 96:                 if(file_exists($filePath)) {
 97:                     self::$logger->info('Downloading the file ['.$params['filename'].'] from the folder ['.$params['dir'].']');
 98: 
 99:                     $pathParts = pathinfo($filePath);
100:                     $mimeType = AlphaFileUtils::getMIMETypeByExtension($pathParts['extension']);
101:                     header('Content-Type: '.$mimeType);
102:                     header('Content-Disposition: attachment; filename="'.$pathParts['basename'].'"');
103:                     header('Content-Length: '.filesize($filePath));
104: 
105:                     readfile($filePath);
106: 
107:                     self::$logger->debug('<<doGET');
108:                     exit;
109:                 }else{
110:                     self::$logger->error('Could not access article attachment file ['.$filePath.'] as it does not exist!');
111:                     throw new IllegalArguementException('File not found');
112:                 }
113:             }else{
114:                 self::$logger->error('Could not access article attachment as dir and/or filename were not provided!');
115:                 throw new IllegalArguementException('File not found');
116:             }
117:         }catch(IllegalArguementException $e) {
118:             self::$logger->error($e->getMessage());
119:             throw new ResourceNotFoundException($e->getMessage());
120:         }
121: 
122:         self::$logger->debug('<<doGET');
123:     }
124: 
125:     /**
126:      * Handle POST requests
127:      *
128:      * @param array $params
129:      */
130:     public function doPOST($params) {
131:         self::$logger->debug('>>doPOST($params=['.var_export($params, true).'])');
132: 
133:         self::$logger->debug('<<doPOST');
134:     }
135: }
136: 
137: // now build the new controller if this file is called directly
138: if ('ViewAttachment.php' == basename($_SERVER['PHP_SELF'])) {
139:     $controller = new ViewAttachment();
140: 
141:     if(!empty($_POST)) {
142:         $controller->doPOST($_POST);
143:     }else{
144:         $controller->doGET($_GET);
145:     }
146: }
147: 
148: ?>