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-rw-r--r--system/helpers/download_helper.php42
1 files changed, 33 insertions, 9 deletions
diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index a6463dfd7..b9a0e6be9 100644
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -6,7 +6,7 @@
*
* This content is released under the MIT License (MIT)
*
- * Copyright (c) 2014 - 2016, British Columbia Institute of Technology
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -29,7 +29,7 @@
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
- * @copyright Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
@@ -56,7 +56,7 @@ if ( ! function_exists('force_download'))
*
* Generates headers that force a download to happen
*
- * @param string filename
+ * @param mixed filename (or an array of local file path => destination filename)
* @param mixed the data to be downloaded
* @param bool whether to try and send the actual file MIME type
* @return void
@@ -69,14 +69,38 @@ if ( ! function_exists('force_download'))
}
elseif ($data === NULL)
{
- if ( ! @is_file($filename) OR ($filesize = @filesize($filename)) === FALSE)
+ // Is $filename an array as ['local source path' => 'destination filename']?
+ if (is_array($filename))
{
- return;
+ if (count($filename) !== 1)
+ {
+ return;
+ }
+
+ $filepath = key($filename);
+ $filename = current($filename);
+
+ if (is_int($filepath))
+ {
+ return;
+ }
+
+ if ( ! @is_file($filepath) OR ($filesize = @filesize($filepath)) === FALSE)
+ {
+ return;
+ }
+ }
+ else
+ {
+ if ( ! @is_file($filename) OR ($filesize = @filesize($filename)) === FALSE)
+ {
+ return;
+ }
+
+ $filepath = $filename;
+ $filename = explode('/', str_replace(DIRECTORY_SEPARATOR, '/', $filename));
+ $filename = end($filename);
}
-
- $filepath = $filename;
- $filename = explode('/', str_replace(DIRECTORY_SEPARATOR, '/', $filename));
- $filename = end($filename);
}
else
{