<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Concatenates reveral js files to reduce the number of
* http requests sent to the server
*
* @package PhpMyAdmin
*/
chdir('..');

// Send correct type
header('Content-Type: text/javascript; charset=UTF-8');
// Enable browser cache for 1 hour
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 3600) . ' GMT');

if (! empty($_GET['scripts']) && is_array($_GET['scripts'])) {
foreach ($_GET['scripts'] as $script) {
// Sanitise filename
$script_name = 'js';
$path = explode("/", $script);
foreach ($path as $index => $filename) {
if (! preg_match("@^\.+$@", $filename)
&& preg_match("@^[\w\.-]+$@", $filename)
) {
// Disallow "." and ".." alone
// Allow alphanumeric, "." and "-" chars only
$script_name .= DIRECTORY_SEPARATOR . $filename;
}
}
// Output file contents
if (preg_match("@\.js$@", $script_name) && is_readable($script_name)) {
readfile($script_name);
echo ";\n\n";
}
}
}

?>