bludit/kernel/helpers/sanitize.class.php

80 lines
1.5 KiB
PHP

<?php defined('BLUDIT') or die('Bludit CMS.');
class Sanitize {
// new
// Convert special characters to HTML entities
public static function html($text)
{
$flags = ENT_COMPAT;
if(defined('ENT_HTML5')) {
$flags = ENT_COMPAT|ENT_HTML5;
}
return htmlspecialchars($text, $flags, CHARSET);
}
// Convert special HTML entities back to characters
public static function htmlDecode($text)
{
$flags = ENT_COMPAT;
if(defined('ENT_HTML5')) {
$flags = ENT_COMPAT|ENT_HTML5;
}
return htmlspecialchars_decode($text, $flags);
}
public static function pathFile($path, $file=false)
{
if($file!==false){
$fullPath = $path.$file;
}
else {
$fullPath = $path;
}
// Fix for Windows on paths. eg: $path = c:\diego/page/subpage convert to c:\diego\page\subpages
$fullPath = str_replace('/', DS, $fullPath);
$real = realpath($fullPath);
// If $real is FALSE the file does not exist.
if($real===false) {
return false;
}
// If the $real path does not start with the systemPath then this is Path Traversal.
if(strpos($fullPath, $real)!==0) {
return false;
}
return true;
}
// Returns the email without illegal characters.
public static function email($email)
{
return( filter_var($email, FILTER_SANITIZE_EMAIL) );
}
public static function url($url)
{
return( filter_var($url, FILTER_SANITIZE_URL) );
}
public static function int($value)
{
$value = (int)$value;
if($value>=0)
return $value;
else
return 0;
}
}