Added function to optionally limit the length of the file name
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 13026bc..a2437d0 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -29,6 +29,7 @@
var $max_size = 0;
var $max_width = 0;
var $max_height = 0;
+ var $max_filename = 0;
var $allowed_types = "";
var $file_temp = "";
var $file_name = "";
@@ -147,7 +148,7 @@
// errors will already be set by validate_upload_path() so just return FALSE
return FALSE;
}
-
+
// Was the file able to be uploaded? If not, determine the reason why.
if ( ! is_uploaded_file($_FILES[$field]['tmp_name']))
{
@@ -221,6 +222,12 @@
// Sanitize the file name for security
$this->file_name = $this->clean_file_name($this->file_name);
+
+ // Truncate the file name if it's too long
+ if ($this->max_filename > 0)
+ {
+ $this->file_name = $this->limit_filename_length($this->file_name, $this->max_filename);
+ }
// Remove white spaces in the name
if ($this->remove_spaces == TRUE)
@@ -325,7 +332,8 @@
*/
function set_upload_path($path)
{
- $this->upload_path = $path;
+ // Make sure it has a trailing slash
+ $this->upload_path = rtrim($path, '/').'/';
}
// --------------------------------------------------------------------
@@ -347,7 +355,7 @@
if ($this->encrypt_name == TRUE)
{
mt_srand();
- $filename = md5(uniqid(mt_rand())).$this->file_ext;
+ $filename = md5(uniqid(mt_rand())).$this->file_ext;
}
if ( ! file_exists($path.$filename))
@@ -395,6 +403,20 @@
// --------------------------------------------------------------------
/**
+ * Set Maximum File Name Length
+ *
+ * @access public
+ * @param integer
+ * @return void
+ */
+ function set_max_filename($n)
+ {
+ $this->max_filename = ( ! eregi("^[[:digit:]]+$", $n)) ? 0 : $n;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Set Maximum Image Width
*
* @access public
@@ -711,7 +733,34 @@
return stripslashes($filename);
}
+
+ // --------------------------------------------------------------------
+ /**
+ * Limit the File Name Length
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+ function limit_filename_length($filename, $length)
+ {
+ if (strlen($filename) < $length)
+ {
+ return $filename;
+ }
+
+ $ext = '';
+ if (strpos($filename, '.') !== FALSE)
+ {
+ $parts = explode('.', $filename);
+ $ext = '.'.array_pop($parts);
+ $filename = implode('.', $parts);
+ }
+
+ return substr($filename, 0, ($length - strlen($ext))).$ext;
+ }
+
// --------------------------------------------------------------------
/**
@@ -832,6 +881,8 @@
return ( ! isset($this->mimes[$mime])) ? FALSE : $this->mimes[$mime];
}
+ // --------------------------------------------------------------------
+
/**
* Prep Filename
*