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authoradmin <devnull@localhost>2006-10-02 08:46:29 +0200
committeradmin <devnull@localhost>2006-10-02 08:46:29 +0200
commitb8afd045b9ed165bdae0d18b3e6f7483a4566e1c (patch)
treeec7e7be57f90c16f1dfa8248c3127ea5cf086452 /system/helpers
parente8f6eb62a0600daf5b192746e1eed3e81516bc92 (diff)
Diffstat (limited to 'system/helpers')
-rw-r--r--system/helpers/download_helper.php96
1 files changed, 96 insertions, 0 deletions
diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
new file mode 100644
index 000000000..8d9fee478
--- /dev/null
+++ b/system/helpers/download_helper.php
@@ -0,0 +1,96 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Download Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/download_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Force Download
+ *
+ * Generates headers that force a download to happen
+ *
+ * @access public
+ * @param string filename
+ * @param mixed the data to be downloaded
+ * @return void
+ */
+function force_download($filename = '', $data = '')
+{
+ if ($filename == '' OR $data == '')
+ {
+ return FALSE;
+ }
+
+ // Try to determine if the filename includes a file extension.
+ // We need it in order to set the MIME type
+ if (FALSE === strpos($filename, '.'))
+ {
+ return FALSE;
+ }
+
+ // Grab the file extension
+ $x = explode('.', $filename);
+ $extension = end($x);
+
+ // Load the mime types
+ @include(APPPATH.'config/mimes'.EXT);
+
+ // Set a default mime if we can't find it
+ if ( ! isset($mimes[$extension]))
+ {
+ $mime = 'application/octet-stream';
+ }
+ else
+ {
+ $mime = (is_array($mimes[$extension])) ? $mimes[$extension][0] : $mimes[$extension];
+ }
+
+ // Generate the server headers
+ if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE"))
+ {
+ header('Content-Type: "'.$mime.'"');
+ header('Content-Disposition: inline; filename="'.$filename.'"');
+ header('Expires: 0');
+ header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+ header("Content-Transfer-Encoding: binary");
+ header('Pragma: public');
+ header("Content-Length: ".strlen($data));
+ }
+ else
+ {
+ header('Content-Type: "'.$mime.'"');
+ header('Content-Disposition: attachment; filename="'.$filename.'"');
+ header("Content-Transfer-Encoding: binary");
+ header('Expires: 0');
+ header('Pragma: no-cache');
+ header("Content-Length: ".strlen($data));
+ }
+
+ echo $data;
+}
+
+
+?> \ No newline at end of file