]> jfr.im git - z_archive/KronOS.git/blame - system/helpers/download_helper.php
Fixed account.php (this ain't python bro); fixed permissions because I'm picky.
[z_archive/KronOS.git] / system / helpers / download_helper.php
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59c06b17
CS
1<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
2/**
3 * CodeIgniter
4 *
5 * An open source application development framework for PHP 5.1.6 or newer
6 *
7 * @package CodeIgniter
8 * @author ExpressionEngine Dev Team
9 * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
10 * @license http://codeigniter.com/user_guide/license.html
11 * @link http://codeigniter.com
12 * @since Version 1.0
13 * @filesource
14 */
15
16// ------------------------------------------------------------------------
17
18/**
19 * CodeIgniter Download Helpers
20 *
21 * @package CodeIgniter
22 * @subpackage Helpers
23 * @category Helpers
24 * @author ExpressionEngine Dev Team
25 * @link http://codeigniter.com/user_guide/helpers/download_helper.html
26 */
27
28// ------------------------------------------------------------------------
29
30/**
31 * Force Download
32 *
33 * Generates headers that force a download to happen
34 *
35 * @access public
36 * @param string filename
37 * @param mixed the data to be downloaded
38 * @return void
39 */
40if ( ! function_exists('force_download'))
41{
42 function force_download($filename = '', $data = '')
43 {
44 if ($filename == '' OR $data == '')
45 {
46 return FALSE;
47 }
48
49 // Try to determine if the filename includes a file extension.
50 // We need it in order to set the MIME type
51 if (FALSE === strpos($filename, '.'))
52 {
53 return FALSE;
54 }
55
56 // Grab the file extension
57 $x = explode('.', $filename);
58 $extension = end($x);
59
60 // Load the mime types
61 if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
62 {
63 include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
64 }
65 elseif (is_file(APPPATH.'config/mimes.php'))
66 {
67 include(APPPATH.'config/mimes.php');
68 }
69
70 // Set a default mime if we can't find it
71 if ( ! isset($mimes[$extension]))
72 {
73 $mime = 'application/octet-stream';
74 }
75 else
76 {
77 $mime = (is_array($mimes[$extension])) ? $mimes[$extension][0] : $mimes[$extension];
78 }
79
80 // Generate the server headers
81 if (strpos($_SERVER['HTTP_USER_AGENT'], "MSIE") !== FALSE)
82 {
83 header('Content-Type: "'.$mime.'"');
84 header('Content-Disposition: attachment; filename="'.$filename.'"');
85 header('Expires: 0');
86 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
87 header("Content-Transfer-Encoding: binary");
88 header('Pragma: public');
89 header("Content-Length: ".strlen($data));
90 }
91 else
92 {
93 header('Content-Type: "'.$mime.'"');
94 header('Content-Disposition: attachment; filename="'.$filename.'"');
95 header("Content-Transfer-Encoding: binary");
96 header('Expires: 0');
97 header('Pragma: no-cache');
98 header("Content-Length: ".strlen($data));
99 }
100
101 exit($data);
102 }
103}
104
105
106/* End of file download_helper.php */
107/* Location: ./system/helpers/download_helper.php */