      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 1548 2012-07-29 17:07:07Z alphadevx $
     19:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
     20:  * @copyright Copyright (c) 2012, 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: ?>