diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php
index 2748a44..e239d75 100644
--- a/system/database/DB_utility.php
+++ b/system/database/DB_utility.php
@@ -460,10 +460,9 @@
return TRUE;
break;
default :
- require BASEPATH.'libraries/Zip.php';
- $zip = new Zip;
- $zip->add_file($this->_backup($prefs), $prefs['filename'].'.sql');
- write_file($path, $zip->output_zipfile());
+ $obj->load->library('zip');
+ $obj->zip->add_data($prefs['filename'].'.sql', $this->_backup($prefs));
+ $obj->zip->archive($path);
return TRUE;
break;
}
@@ -472,65 +471,59 @@
// ------------------------------------------------------
- // Set the mime type used in the server header
- switch ($prefs['format'])
- {
- case 'zip' : $mime = 'application/x-zip';
- break;
- case 'gzip' : $mime = 'application/x-gzip';
- break;
- default :
- if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE") || strstr($_SERVER['HTTP_USER_AGENT'], "OPERA"))
- {
- $mime = 'application/octetstream';
- }
- else
- {
- $mime = 'application/octet-stream';
- }
- break;
- }
// Grab the super object
$obj =& get_instance();
// Remap the file extensions
$ext = array('gzip' => 'gz', 'zip' => 'zip', 'txt' => 'sql');
+
+ // Is a Zip file requested?
+ if ($prefs['format'] == 'zip')
+ {
+ $obj->load->library('zip');
+ $obj->zip->add_data($prefs['filename'].'.sql', $this->_backup($prefs));
+ $obj->zip->download($prefs['filename'].'.'.$ext[$prefs['format']]);
+ return TRUE;
+ }
+
+
+ // Set the mime type
+ switch ($prefs['format'])
+ {
+ case 'gzip' : $mime = 'application/x-gzip';
+ break;
+ default : $mime = (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE") || strstr($_SERVER['HTTP_USER_AGENT'], "OPERA")) ? 'application/octetstream' : 'application/octet-stream';
+ break;
+ }
- // Send headers
+ $filename = $prefs['filename'].'.sql.'.$ext[$prefs['format']];
+
if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE"))
{
- $obj->output->set_header('Content-Type: '.$mime);
- $obj->output->set_header('Content-Disposition: inline; filename="'.$prefs['filename'].'.'.$ext[$prefs['format']].'"');
- $obj->output->set_header('Content-Transfer-Encoding: binary');
- $obj->output->set_header('Expires: 0');
- $obj->output->set_header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
- $obj->output->set_header('Pragma: public');
+ header('Content-Type: '.$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');
}
else
{
- $obj->output->set_header('Content-Type: '.$mime);
- $obj->output->set_header('Content-Disposition: attachment; filename="'.$prefs['filename'].'.'.$ext[$prefs['format']].'"');
- $obj->output->set_header('Content-Transfer-Encoding: binary');
- $obj->output->set_header('Expires: 0');
- $obj->output->set_header('Pragma: no-cache');
+ header('Content-Type: '.$mime);
+ header('Content-Disposition: attachment; filename="'.$filename.'"');
+ header("Content-Transfer-Encoding: binary");
+ header('Expires: 0');
+ header('Pragma: no-cache');
}
-
// Write the file based on type
switch ($prefs['format'])
{
- case 'gzip' : $obj->output->set_output(gzencode($this->_backup($prefs)));
+ case 'gzip' : echo gzencode($this->_backup($prefs));
break;
- case 'txt' : $obj->output->set_output($this->_backup($prefs));
+ case 'txt' : echo $this->_backup($prefs);
break;
- default :
- require BASEPATH.'libraries/Zip.php';
-
- $zip = new Zip;
- $zip->add_file($this->_backup($prefs), $prefs['filename'].'.sql');
- $obj->output->set_output($zip->output_zipfile());
- break;
}
return TRUE;