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* added missing function is_sub_dir (to the last commit)

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slawkens 2018-01-08 17:28:05 +01:00
parent 4f0fca021c
commit b03433d8a8
1 changed files with 28 additions and 0 deletions
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28
system/libs/plugins.php
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@ -38,6 +38,34 @@ spl_autoload_register(function ($class) {
}
});
function is_sub_dir($path = NULL, $parent_folder = SITE_PATH) {
//Get directory path minus last folder
$dir = dirname($path);
$folder = substr($path, strlen($dir));
//Check the the base dir is valid
$dir = realpath($dir);
//Only allow valid filename characters
$folder = preg_replace('/[^a-z0-9\.\-_]/i', '', $folder);
//If this is a bad path or a bad end folder name
if( !$dir OR !$folder OR $folder === '.') {
return FALSE;
}
//Rebuild path
$path = $dir. '/' . $folder;
//If this path is higher than the parent folder
if( strcasecmp($path, $parent_folder) > 0 ) {
return $path;
}
return FALSE;
}
class Plugins {
private static $warnings = array();
private static $error = null;