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: ?>