function download($backup_id)
{
// or fetch()
$list = $this->getAvailableList($this->course_id);
if (!isset($list[$backup_id])) {
// catch the error
//debug('does not belong to us');
exit;
}
$my_backup = $list[$backup_id];
$file_name = $my_backup['file_name'];
header('Content-Type: application/zip');
header('Content-transfer-encoding: binary');
header('Content-Disposition: attachment; filename="' . htmlspecialchars($file_name) . '"');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . $my_backup['file_size']);
// see the note in get.php about the use of x-Sendfile
ob_end_clean();
header("Content-Encoding: none");
header('x-Sendfile: ' . AT_BACKUP_DIR . $this->course_id . DIRECTORY_SEPARATOR . $my_backup['system_file_name'] . '.zip');
header('x-Sendfile: ', TRUE);
// if we get here then it didn't work
readfile_in_chunks(AT_BACKUP_DIR . $this->course_id . DIRECTORY_SEPARATOR . $my_backup['system_file_name'] . '.zip');
exit;
}
/**
* Outputs the file - sends headers to browser to force download
* Only call this after calling close() - will return false if the zip wasn't close()d yet
* @access public
* @see get_size() in include/classes/zipfile.class.php
* @author Joel Kronenberg
*/
function send_file($file_name)
{
if (!$this->is_closed) {
$this->close();
}
$file_name = str_replace(array('"', '<', '>', '|', '?', '*', ':', '/', '\\'), '', $file_name);
header("Content-type: archive/zip");
header("Content-disposition: attachment; filename={$file_name}.zip");
readfile_in_chunks($this->zipfile_dir . $this->filename . '.zip');
exit;
}
