<?php
/*
This code is part of FusionDirectory (http://www.fusiondirectory.org/)
Copyright (C) 2003-2010 Cajus Pollmeier
Copyright (C) 2011 FusionDirectory
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*! \brief This class provides various test functions
*
* This class provides various test functions. It enables to check
* if a given value is:
*
* - a phone numnber
* - a DNS name
* - an URL
* etc.
*
* The functions need to be handled with care, because they are not as strict
* as one might expect.
*/
class tests {
/*! \brief Test if the given string is a phone number */
public static function is_phone_nr($nr)
{
if ($nr == ""){
return (TRUE);
}
return preg_match ("/^[\/0-9 ()+*-]+$/", $nr);
}
/*! \brief Test if the given string contains characters allowed in a DNS name */
public static function is_dns_name($str)
{
return(preg_match("/^[a-z0-9\.\-]*$/i",$str));
}
/*! \brief Test if the given string is an URL */
public static function is_url($url)
{
if ($url == ""){
return (TRUE);
}
return preg_match ("/^(http|https):\/\/((?:[a-zA-Z0-9_-]+\.?)+):?(\d*)/", $url);
}
/*! \brief Test if the given string is a DN */
public static function is_dn($dn)
{
if ($dn == ""){
return (TRUE);
}
return preg_match ("/^[a-z0-9 _-]+$/i", $dn);
}
/*! \brief Test if the given string is an uid */
public static function is_uid($uid)
{
if ($uid == ""){
return (TRUE);
}
/* STRICT adds spaces and case insenstivity to the uid check.
This is dangerous and should not be used. */
if (strict_uid_mode()){
return preg_match ("/^[a-z0-9_-]+$/", $uid);
} else {
return preg_match ("/^[a-z0-9 _.-]+$/i", $uid);
}
}
/*! \brief Test if the given string is an IP */
public static function is_ip($ip)
{
if(function_exists('filter_var')) {
return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
} else {
return preg_match("/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/", $ip);
}
}
public static function is_ipv6($ip)
{
if(function_exists('filter_var')) {
return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6);
} else {
$ipv4 = '(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)';
$g = '([0-9a-f]{1,4})'; //IPv6 group
return preg_match("/^$g:$g:$g:$g:$g:$g:$g:$g$/", $ip) ||
preg_match("/^$g:$g:$g:$g:$g:$g:$ipv4$/", $ip);
}
}
/*! \brief Test if the given string is a mac address */
public static function is_mac($mac)
{
return preg_match("/^[a-f0-9][a-f0-9]:[a-f0-9][a-f0-9]:[a-f0-9][a-f0-9]:[a-f0-9][a-f0-9]:[a-f0-9][a-f0-9]:[a-f0-9][a-f0-9]$/i", $mac);
}
/*! \brief Checks if the given ip address dosen't match
"is_ip" because there is also a sub net mask given */
public static function is_ip_with_subnetmask($ip)
{
/* Generate list of valid submasks */
$res = array();
for($e = 0 ; $e <= 32; $e++){
$res[$e] = $e;
}
$i[0] =255;
$i[1] =255;
$i[2] =255;
$i[3] =255;
for($a= 3 ; $a >= 0 ; $a --){
$c = 1;
while($i[$a] > 0 ){
$str = $i[0].".".$i[1].".".$i[2].".".$i[3];
$res[$str] = $str;
$i[$a] -=$c;
$c = 2*$c;
}
}
$res["0.0.0.0"] = "0.0.0.0";
if(preg_match("/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.".
"(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.".
"(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.".
"(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/", $ip)){
$mask = preg_replace("/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.".
"(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.".
"(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.".
"(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/","",$ip);
$mask = preg_replace("/^\//","",$mask);
if((in_array("$mask",$res)) && preg_match("/^[0-9\.]/",$mask)){
return(TRUE);
}
}
return(FALSE);
}
/*! \brief Simple is domain check
*
* This checks if the given string looks like "string(...).string"
*/
public static function is_domain($str)
{
return(preg_match("/^(([a-z0-9\-]{2,63})\.)*[a-z]{2,63}$/i",$str));
}
/*! \brief Check if the given argument is an id */
public static function is_id($id)
{
if ($id == ""){
return (FALSE);
}
return preg_match ("/^[0-9]+$/", $id);
}
/*! \brief Check if the given argument is a path */
public static function is_path($path)
{
if ($path == ""){
return (TRUE);
}
if (!preg_match('/^[a-z0-9%\/_.+-]+$/i', $path)){
return (FALSE);
}
return preg_match ("/\/.+$/", $path);
}
/*! \brief Check if the given argument is an email */
public static function is_email($address, $template= FALSE)
{
if ($address == ""){
return (TRUE);
}
if ($template){
return preg_match ("/^[._a-z0-9%\+-]+@[_a-z0-9-]+(\.[a-z0-9-]+)(\.[a-z0-9-]+)*$/i",
$address);
} else {
return preg_match ("/^[._a-z0-9\+-]+@[_a-z0-9-]+(\.[a-z0-9i-]+)(\.[a-z0-9-]+)*$/i",
$address);
}
}
/* \brief Check if the given department name is valid */
public static function is_department_name_reserved($name,$base)
{
$reservedName = array("systems","apps","incomming","internal","accounts","fax","addressbook",
preg_replace("/ou=(.*),/","\\1",get_people_ou()),
preg_replace("/ou=(.*),/","\\1",get_groups_ou()));
$follwedNames['/ou=fai,ou=configs,ou=systems,/'] = array("fai","hooks","templates","scripts","disk","packages","variables","profiles");
/* Check if name is one of the reserved names */
if(in_array_ics($name,$reservedName)) {
return(true);
}
/* Check all follow combinations if name is in array && parent base == array_key, return false*/
foreach($follwedNames as $key => $names){
if((in_array_ics($name,$names)) && (preg_match($key,$base))){
return(true);
}
}
return(false);
}
/* \brief Check if $ip1 and $ip2 represents a valid IP range
* \return TRUE in case of a valid range, FALSE in case of an error.
*/
public static function is_ip_range($ip1,$ip2)
{
if(!tests::is_ip($ip1) || !tests::is_ip($ip2)){
return(FALSE);
}else{
$ar1 = explode(".",$ip1);
$var1 = $ar1[0] * (16777216) + $ar1[1] * (65536) + $ar1[2] * (256) + $ar1[3];
$ar2 = explode(".",$ip2);
$var2 = $ar2[0] * (16777216) + $ar2[1] * (65536) + $ar2[2] * (256) + $ar2[3];
return($var1 < $var2);
}
}
/* \brief Check if the specified IP address $address is inside the given network */
public static function is_in_network($network, $netmask, $address)
{
$nw= explode('.', $network);
$nm= explode('.', $netmask);
$ad= explode('.', $address);
/* Generate inverted netmask */
for ($i= 0; $i<4; $i++){
$ni[$i]= 255-$nm[$i];
$la[$i]= $nw[$i] | $ni[$i];
}
/* Transform to integer */
$first= $nw[0] * (16777216) + $nw[1] * (65536) + $nw[2] * (256) + $nw[3];
$curr= $ad[0] * (16777216) + $ad[1] * (65536) + $ad[2] * (256) + $ad[3];
$last= $la[0] * (16777216) + $la[1] * (65536) + $la[2] * (256) + $la[3];
return ($first < $curr&& $last > $curr);
}
/* Check if entry value is a valid date */
public static function is_date($date)
{
global $lang;
if ($date == ""){
return (TRUE);
}
#TODO: use $lang to check date format
if (!preg_match("/([0-9]{1,2})\.([0-9]{1,2})\.([0-9]{4})/", $date, $matches)) {
return false;
}
return checkdate($matches[2],$matches[1],$matches[3]);
}
/* \brief Check if the specified IP address $address is inside the given network */
public static function is_in_ip_range($from, $to, $address)
{
$from = explode('.', $from);
$to = explode('.', $to);
$ad = explode('.', $address);
/* Transform to integer */
$from= $from[0] * (16777216) + $from[1] * (65536) + $from[2] * (256) + $from[3];
$to= $to[0] * (16777216) + $to[1] * (65536) + $to[2] * (256) + $to[3];
$ad= $ad[0] * (16777216) + $ad[1] * (65536) + $ad[2] * (256) + $ad[3];
return ($ad >= $from && $ad <= $to);
}
}
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?>