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AlternC/bureau/class/functions.php

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<?php
/*
----------------------------------------------------------------------
AlternC - Web Hosting System
Copyright (C) 2000-2012 by the AlternC Development Team.
https://alternc.org/
----------------------------------------------------------------------
LICENSE
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License (GPL)
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.
To read the license please visit http://www.gnu.org/copyleft/gpl.html
----------------------------------------------------------------------
Purpose of file: Miscellaneous functions globally used
----------------------------------------------------------------------
*/
/* seed the random number generator : */
list($usec, $sec) = explode(' ', microtime());
mt_srand((float) $sec + ((float) $usec * 100000));
/* Format a field value for input or textarea : */
function fl($str) { return str_replace("<","&lt;",str_replace("\"","&quot;",$str)); }
/* Used by class/m_log.php for usort */
function compare_logname($a, $b) {
return strcmp($a['name'],$b['name']);
}
function variable_get($name, $default = null, $createit_comment = null) {
global $variables;
return $variables->variable_get($name, $default, $createit_comment);
}
/*
Check if a domain can be hosted on this server :
Return a negative value in case of an error,
or a string for the index in $tld
*/
function checkhostallow($domain,$dns) {
global $L_NS1,$L_NS2,$db,$dom;
$sizefound=0;
$found="";
$db->query("SELECT tld,mode FROM tld;");
while ($db->next_record()) {
list($key,$val)=$db->Record;
if (substr($domain,-1-strlen($key))==".".$key) {
if ($sizefound<strlen($key)) {
$sizefound=strlen($key);
$found=$key;
$fmode=$val;
}
}
}
if ( $dom->tld_no_check_at_all )
return 0; // OK , the boss say that you can.
if (!$found || $fmode==0) // TLD not allowed at all
return -1;
if (($fmode!=4) && (!is_array($dns))) // NO dns found in the whois, and domain MUST exists
return -2;
if ($fmode>2) // OK, in the case 3 4 5
return $found;
$n1=false; $n2=false;
for ($i=0;$i<count($dns);$i++) {
if (strtolower($dns[$i])==strtolower($L_NS1)) $n1=true;
if (strtolower($dns[$i])==strtolower($L_NS2)) $n2=true;
}
if ($fmode==1 && $n1) // OK
return $found;
if ($fmode==2 && $n1 && $n2) // OK
return $found;
return -3; // DNS incorrect in the whois
}
/* Check that a domain can be hosted in that server,
without DNS managment.
*/
function checkhostallow_nodns($domain) {
global $db;
$sizefound=0;
$found="";
$db->query("SELECT tld,mode FROM tld;");
while ($db->next_record()) {
list($key,$val)=$db->Record;
if (substr($domain,-1-strlen($key))==".".$key) {
if ($sizefound<strlen($key)) {
$sizefound=strlen($key);
$found=$key;
$fmode=$val;
}
}
}
// If we found a correct tld, let's find how many . before ;)
if (!$found || $fmode==0) // TLD not allowed at all
return 1;
if (count(explode(".",substr($domain,0,-$sizefound)))>2) {
return 1;
}
return 0;
}
function get_remote_ip() {
// Return the remote IP.
// If you are behind a proxy, use X_FORWARDED_FOR instead of REMOTE_ADDR
return getenv('REMOTE_ADDR');
}
/* Check that $url is a correct url (http:// or https:// or ftp://) */
function checkurl($url) {
// TODO : add a path/file check
if (substr($url,0,7)!="http://" && substr($url,0,8)!="https://" && substr($url,0,6)!="ftp://") return false;
if (substr($url,0,7)=="http://" ) $fq=substr($url,7);
if (substr($url,0,8)=="https://") $fq=substr($url,8);
if (substr($url,0,6)=="ftp://" ) $fq=substr($url,6);
$f=explode("/",$fq);
if (!is_array($f)) $f=array($f);
$t=checkfqdn($f[0]);
if ($t) return false;
return true;
}
/* Check that TXT domain is correct */
function checksubtxt($txt) {
return true;
}
/* Check that CNAME domain is correct */
function checkcname($cname) {
return true;
}
/* Check that $ip is a correct 4 Dotted ip */
function checkip($ip) {
// return true or false whether the ip is correctly formatted
return filter_var($ip,FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
}
/* Check that $ip is a correct ipv6 ip */
function checkipv6($ip) {
// return true or false whether the ip is correctly formatted
return filter_var($ip,FILTER_VALIDATE_IP, FILTER_FLAG_IPV6);
}
/* Check a login mail, cf http://www.bortzmeyer.org/arreter-d-interdire-des-adresses-legales.html */
/* FIXME: check who is using that function and delete it when unused */
function checkloginmail($mail) {
return true;
}
/* Check an email address, use filter_var with emails, which works great ;) */
/* FIXME: check who is using that function and delete it when unused */
function checkmail($mail) {
if (filter_var($mail,FILTER_VALIDATE_EMAIL)) {
return 0;
} else {
return 1;
}
}
/* Check that a domain name is fqdn compliant */
function checkfqdn($fqdn) {
// (RFC 1035 http://www.ietf.org/rfc/rfc1035.txt)
// Retourne 0 si tout va bien, sinon, retourne un code erreur...
// 1. Nom de domaine complet trop long.
// 2. L'un des membres est trop long.
// 3. Caractere interdit dans l'un des membres.
// 4. Le fqdn ne fait qu'un seul membre (il n'est donc pas fq...)
if (strlen($fqdn)>255)
return 1;
$members=explode(".", $fqdn);
if (count($members)>1) $ret=0; else $ret=4;
reset($members);
while (list ($key, $val) = each ($members)) {
if (strlen($val)>63)
return 2;
// Note: a.foo.net is a valid domain
// Note: RFC1035 tells us that a domain should not start by a digit, but every registrar allows such a domain to be created ... too bad.
if (!preg_match("#^[a-z0-9_]([a-z0-9-_]*[a-z0-9_])?$#i",$val)) {
return 3;
}
}
return $ret;
}
function checkuserpath($path) {
/*
return 0 if the path is not in the user's space
return 1 if this is a directory
return 2 if this is a regular file
*/
global $mem;
$user=$mem->user["login"];
$usar=substr($user,0,1);
if (substr($path,0,1)!="/")
$path="/".$path;
$rpath = realpath(ALTERNC_HTML."/$usar/$user$path");
if (!$rpath) { // if file or directory does not exist
return 1; // FIXME is it safe to say OK in this case ?
}
$userpath = getuserpath();
if(strpos($rpath,$userpath) === 0){
if (is_dir(ALTERNC_HTML."/$usar/$user$path")) {
return 1;
}
if (is_file(ALTERNC_HTML."/$usar/$user$path")) {
return 2;
}
}
return 0;
}
/**
* get the home of the user
*
* @args string $user the username, if null will use the global $mem. no
* security checks performed on path
* @returns string the actual absolute path
*/
function getuserpath($user = null) {
if (is_null($user)) {
global $mem;
$user = $mem->user['login'];
}
return rtrim(ALTERNC_HTML,"/")."/".substr($user,0,1)."/".$user;
}
/* ECHOes checked="checked" only if the parameter is true
* useful for checkboxes and radio buttons
*/
function cbox($test) {
if ($test) echo (" checked=\"checked\"");
}
/* ECHOes selected="selected" only if the parameter is true
* useful for checkboxes and radio buttons
*/
function selected($bool) {
if ($bool) {
echo " selected=\"selected\"";
}
}
function ecif($test,$tr,$fa="",$affiche=1) {
if ($test)
$retour = $tr;
else
$retour = $fa;
if ($affiche)
echo $retour;
else
return $retour;
}
function __($str) {
echo _($str);
}
function ife($test,$tr,$fa="") {
if ($test)
return $tr;
else
return $fa;
}
function format_size($size,$html=0) {
// Retourne une taille formatt<74>e en Octets, Kilo-octets, M<>ga-octets ou Giga-Octets, avec 2 d<>cimales.
if ("-" == $size) {
return $size;
}
$size=(float)$size;
if ($size<1024) {
$r=$size;
if ($size!=1) {
$r.=" "._("Bytes");
} else {
$r.=" "._("Byte");
}
} else {
$size=$size/1024;
if ($size<1024) {
$r=round($size,2)." "._("Kb");
} else {
$size=$size/1024;
if ($size<1024) {
$r=round($size,2)." "._("Mb");
} else {
$size=$size/1024;
if ($size<1024) {
$r=round($size,2)." "._("Gb");
} else {
$r=round($size/1024,2)." "._("Tb");
}
}
}
}
if ($html) {
return str_replace(" ","&nbsp;",$r);
}else{
return $r;
}
}
function getlinkhelp($hid) {
return "(<a href=\"javascript:help($hid);\">?</a>)";
}
function linkhelp($hid) {
echo getlinkhelp($hid);
}
function format_date($format,$date) {
$d=substr($date,8,2);
$m=substr($date,5,2);
$y=substr($date,0,4);
$h=substr($date,11,2);
$i=substr($date,14,2);
if ($h>12) {
$hh=$h-12;
$am="pm";
} else {
$hh=$h;
$am="am";
}
return sprintf($format,$d,$m,$y,$h,$i,$hh,$am);
}
/* Strip slashes if needed : */
function ssla($str) {
if (get_magic_quotes_gpc()) {
return stripslashes($str);
} else {
return $str;
}
}
/* ----------------------------------------------------------------- */
/** Hashe un mot de passe en clair en MD5 avec un salt al<61>atoire
* @param string $pass Mot de passe <20> crypter (max 32 caract<63>res)
* @return string Retourne le mot de passe crypt<70>
* @access private
*/
function _md5cr($pass,$salt="") {
if (!$salt) {
$chars="./0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
for ($i=0;$i<12;$i++) {
$salt.=substr($chars,(mt_rand(0,strlen($chars))),1);
}
$salt="$1$".$salt;
}
return crypt($pass,$salt);
}
/** split mysql database name between username and custom database name
* @param string $dbname database name
* @return array returns username as first element, custom name as second
*/
function split_mysql_database_name($dbname) {
$db_exploded_name = explode("_",$dbname);
return array($db_exploded_name[0],
implode("_", array_slice($db_exploded_name, 1)));
}
/* ----------------------------------------------------------------- */
/** Echappe les caract<63>res pouvant perturber un flux XML standard :
* @param string $string Chaine de caract<63>re <20> encoder en valeur xml.
* @return string Retourne la cha<68>ne modifi<66>e si besoin.
* @access private
*/
function xml_entities($string) {
return str_replace("<","&lt;",str_replace(">","&gt;",str_replace("&","&amp;",$string)));
}
/* ----------------------------------------------------------------- */
/** Converti un nombre de mois en une chaine plus lisible
* @param number $months Nombre de mois
* @return string Cha<68>ne repr<70>sentant le nombre de mois
* @access private
*/
function pretty_months($months) {
if( $months % 12 == 0 && $months > 11) {
$years = $months / 12;
return "$years " . ($years > 1 ? _("years") : _("year"));
} else {
return "$months " . ($months > 1 ? _("months") : _("month"));
}
}
/* ----------------------------------------------------------------- */
/** Fabrique un drop-down pour les dur<75>es de comptes
* @name string $name Nom pour le composasnt
* @selected number Option selection<6F>e du composant
* @return string Code html pour le drop-down
* @access private
*/
function duration_list($name, $selected=0) {
$res = "<select name=\"$name\" id=\"$name\" class=\"inl\">";
foreach(array(0, 1, 2, 3, 4, 6, 12, 24) as $dur) {
$res .= "<option value=\"$dur\"";
if($selected == $dur) {
$res .= ' selected="selected" ';
}
$res .= '>';
if($dur == 0) {
$res .= _('Not managed');
} else {
$res .= pretty_months($dur);
}
$res .= '</option>';
}
$res .= '</select>';
return $res;
}
/* select_values($arr,$cur) echo des <option> du tableau $values ou de la table sql $values
selectionne $current par defaut.
Si on lui demande poliement, il prend un tableau a une dimension
*/
function eoption($values,$cur,$onedim=false) {
if (is_array($values)) {
foreach ($values as $k=>$v) {
if ( $onedim ) $k=$v;
echo "<option value=\"$k\"";
if ($k==$cur) echo " selected=\"selected\"";
echo ">".$v."</option>";
}
}
}
/* Echo the HTMLSpecialChars version of a value.
* Must be called when pre-filling fields values in forms such as :
* <input type="text" name="toto" value="<?php ehe($toto); ?>" />
* Use the charset of the current language for transcription
*/
function ehe($str,$affiche=1) {
global $charset;
$retour = htmlspecialchars($str,ENT_QUOTES,$charset);
if ($affiche) {
echo $retour;
} else {
return $retour;
}
}
/* Get the Fields of the posted form from $_REQUEST or POST or GET
* and check their type
*/
function getFields($fields, $requestOnly = false) {
$vars = array();
$methodType = array ("get", "post", "request", "files", "server");
foreach ($fields AS $name => $options) {
if (in_array(strtolower($options[0]), $methodType) === false)
die ("Unrecognized method type used for field " . $name . " : " . $options[0]);
if ($requestOnly === true)
$method = "_REQUEST";
else
$method = "_" . strtoupper($options[0]);
switch ($options[1]) {
case "integer":
$vars[$name] = (isset($GLOBALS[$method][$name]) && is_numeric($GLOBALS[$method][$name]) ? intval($GLOBALS[$method][$name]) : $options[2]);
break;
case "float":
$vars[$name] = (isset($GLOBALS[$method][$name]) && is_numeric($GLOBALS[$method][$name]) ? floatval($GLOBALS[$method][$name]) : $options[2]);
break;
case "string":
$vars[$name] = (isset($GLOBALS[$method][$name]) ? trim($GLOBALS[$method][$name]) : $options[2]);
break;
case "array":
$vars[$name] = (isset($GLOBALS[$method][$name]) && is_array($GLOBALS[$method][$name]) ? $GLOBALS[$method][$name] : $options[2]);
break;
case "boolean":
$vars[$name] = (isset($GLOBALS[$method][$name]) ? $GLOBALS[$method][$name] : $options[2]);
break;
case "file":
$vars[$name] = (isset($GLOBALS[$method][$name]) ? $GLOBALS[$method][$name] : $options[2]);
break;
default:
die ("Illegal method type used for field " . $name . " : " . $options[1]);
}
}
// Insert into $GLOBALS.
foreach ($vars AS $var => $value)
$GLOBALS[$var] = $value;
return $vars;
}
function printVar($array) {
echo "<pre style=\"border: 1px solid black; text-align: left; font-size: 9px\">\n";
print_r($array);
echo "</pre>\n";
}
function list_properties_order($a, $b) {
if ( $a['label'] == $b['label']) {
return 0;
}
return ($a['label']<$b['label'])?-1:1;
} // end private function list_properties_order
/** Show a pager as
Previous page 0 1 2 ... 16 17 18 19 20 ... 35 36 37 Next page
Arguments are as follow :
$offset = the current offset from 0
$count = The number of elements shown per page
$total = The total number of elements
$url = The url to show for each page. %%offset%% will be replace by the proper offset
$before & $after are HTML code to show before and after the pager **only if the pager is to be shown**
*/
function pager($offset,$count,$total,$url,$before="",$after="") {
$offset=intval($offset);
$count=intval($count);
$total=intval($total);
if ($offset<=0) $offset="0";
if ($count<=1) $count="1";
if ($total<=0) $total="0";
if ($total<$offset) $offset=max(0,$total-$count);
if ($total<=$count) { // When there is less element than 1 complete page, just don't do anything :-D
return true;
}
echo $before;
// Shall-we show previous page link ?
if ($offset) {
$o=max($offset-$count,0);
echo "<a href=\"".str_replace("%%offset%%",$o,$url)."\" alt=\"(Ctl/Alt-p)\" title=\"(Alt-p)\" accesskey=\"p\">"._("Previous Page")."</a> ";
} else {
echo _("Previous Page")." ";
}
if ($total>(2*$count)) { // On n'affiche le pager central (0 1 2 ...) s'il y a au moins 2 pages.
echo " - ";
if (($total<($count*10)) && ($total>$count)) { // moins de 10 pages :
for($i=0;$i<$total/$count;$i++) {
$o=$i*$count;
if ($offset==$o) {
echo $i." ";
} else {
echo "<a href=\"".str_replace("%%offset%%",$o,$url)."\">$i</a> ";
}
}
} else { // Plus de 10 pages, on affiche 0 1 2 , 2 avant et 2 apr<70>s la page courante, et les 3 dernieres
for($i=0;$i<=2;$i++) {
$o=$i*$count;
if ($offset==$o) {
echo $i." ";
} else {
echo "<a href=\"".str_replace("%%offset%%",$o,$url)."\">$i</a> ";
}
}
if ($offset>=$count && $offset<($total-2*$count)) { // On est entre les milieux ...
// On affiche 2 avant jusque 2 apr<70>s l'offset courant mais sans d<>border sur les indices affich<63>s autour
$start=max(3,intval($offset/$count)-2);
$end=min(intval($offset/$count)+3,intval($total/$count)-3);
if ($start!=3) echo " ... ";
for($i=$start;$i<$end;$i++) {
$o=$i*$count;
if ($offset==$o) {
echo $i." ";
} else {
echo "<a href=\"".str_replace("%%offset%%",$o,$url)."\">$i</a> ";
}
}
if ($end!=intval($total/$count)-3) echo " ... ";
} else {
echo " ... ";
}
for($i=intval($total/$count)-3;$i<$total/$count;$i++) {
$o=$i*$count;
if ($offset==$o) {
echo $i." ";
} else {
echo "<a href=\"".str_replace("%%offset%%",$o,$url)."\">$i</a> ";
}
}
echo " - ";
} // More than 10 pages?
}
// Shall-we show the next page link ?
if ($offset+$count<$total) {
$o=$offset+$count;
echo "<a href=\"".str_replace("%%offset%%",$o,$url)."\" alt=\"(Ctl/Alt-s)\" title=\"(Alt-s)\" accesskey=\"s\">"._("Next Page")."</a> ";
} else {
echo _("Next Page")." ";
}
echo $after;
}
function create_pass($length = 8){
$chars = "1234567890abcdefghijkmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
$i = 0;
$password = "";
while ($i <= $length) {
$password .= @$chars{mt_rand(0,strlen($chars))};
$i++;
}
return $password;
}
define("DEFAULT_PASS_SIZE", 8);
/* Affiche un bouton qui permet de generer automatiquement des mots de passes */
function display_div_generate_password($pass_size=DEFAULT_PASS_SIZE, $fields_to_fill1="", $fields_to_fill2="") {
$id=rand(1,1000);
echo "<div id='z$id' style='display:none;'><a href=\"javascript:generate_password_html('$id',$pass_size,'$fields_to_fill1','$fields_to_fill2');\">";
__("Clic here to generate a password");
echo "</a></div>";
echo "<script type='text/javascript'>$('#z$id').show();</script>";
return 0;
}
/* Affiche un bouton pour selectionner un dossier sur le serveur */
function display_browser($dir="", $caller="main.dir", $width=350, $height=450) {
// Browser id
$bid="b".rand(1,1000);
echo "<script type=\"text/javascript\">
<!--
$(function() {
$( \"#".$bid."\" ).dialog({
autoOpen: false,
width: ".$width.",
height: ".$height.",
modal: true,
open: function()
{
$('.ui-widget-overlay').css('opacity', .70);
$('.ui-dialog-content').css('background-color', '#F0F0FA');
},
});
$( \"#bt".$bid."\" )
.button()
.attr(\"class\", \"ina\")
.click(function() {
$( \"#".$bid."\" ).dialog( \"open\" );
return false;
});
});
document.write('&nbsp;<input type=\"button\" id=\"bt".$bid."\" value=\""._("Choose a folder...")."\" class=\"ina\">');
document.write('<div id=\"".$bid."\" title=\""._("Choose a folder...")."\" style=\"display: none; bgcolor:red;\">');
document.write(' <iframe src=\"/browseforfolder2.php?caller=".$caller."&amp;file=".ehe($dir, 0)."&amp;bid=".$bid."\" width=\"".($width-40)."\" height=\"".($height-64)."\" frameborder=\"no\" id=\"browseiframe\"></iframe>');
document.write('</div>');
// -->
</script>
";
}
// Insere un $wrap_string tous les $max caracteres dans $message
function auto_wrap($message="",$max=10,$wrap_string="<wbr/>") {
$cpt = 0;
$mot = split(" ",$message);
while (isset($mot[$cpt]) && ($mot[$cpt] != "")){
if(@strlen($mot[$cpt]) > $max){
$nvmot = chunk_split ($mot[$cpt], $max, $wrap_string );
$message = str_replace($mot[$cpt], $nvmot, $message);
}
$cpt++;
}
return $message;
}
/*
** Converts HSV to RGB values
** -----------------------------------------------------
** Reference: http://en.wikipedia.org/wiki/HSL_and_HSV
** Purpose: Useful for generating colours with
** same hue-value for web designs.
** Input: Hue (H) Integer 0-360
** Saturation (S) Integer 0-100
** Lightness (V) Integer 0-100
** Output: String "R,G,B"
** Suitable for CSS function RGB().
*/
function fHSVtoRGB($iH, $iS, $iV) {
if($iH < 0) $iH = 0; // Hue:
if($iH > 360) $iH = 360; // 0-360
if($iS < 0) $iS = 0; // Saturation:
if($iS > 100) $iS = 100; // 0-100
if($iV < 0) $iV = 0; // Lightness:
if($iV > 100) $iV = 100; // 0-100
$dS = $iS/100.0; // Saturation: 0.0-1.0
$dV = $iV/100.0; // Lightness: 0.0-1.0
$dC = $dV*$dS; // Chroma: 0.0-1.0
$dH = $iH/60.0; // H-Prime: 0.0-6.0
$dT = $dH; // Temp variable
while($dT >= 2.0) $dT -= 2.0; // php modulus does not work with float
$dX = $dC*(1-abs($dT-1)); // as used in the Wikipedia link
switch($dH) {
case($dH >= 0.0 && $dH < 1.0):
$dR = $dC; $dG = $dX; $dB = 0.0; break;
case($dH >= 1.0 && $dH < 2.0):
$dR = $dX; $dG = $dC; $dB = 0.0; break;
case($dH >= 2.0 && $dH < 3.0):
$dR = 0.0; $dG = $dC; $dB = $dX; break;
case($dH >= 3.0 && $dH < 4.0):
$dR = 0.0; $dG = $dX; $dB = $dC; break;
case($dH >= 4.0 && $dH < 5.0):
$dR = $dX; $dG = 0.0; $dB = $dC; break;
case($dH >= 5.0 && $dH < 6.0):
$dR = $dC; $dG = 0.0; $dB = $dX; break;
default:
$dR = 0.0; $dG = 0.0; $dB = 0.0; break;
}
$dM = $dV - $dC;
$dR += $dM; $dG += $dM; $dB += $dM;
$dR *= 255; $dG *= 255; $dB *= 255;
return array('r'=>round($dR), 'g'=>round($dG), 'b'=>round($dB) );
}
function hexa($hex)
{
$num = dechex($hex);
return (strlen("$num") >= 2) ? "$num" : "0$num";
}
function PercentToColor($p=0) {
if ($p>100) $p=100;
if ($p<0) $p=0;
// Pour aller de vert a rouge en passant par jaune et orange
$h = 1+((100-$p)*130/100);
$rvb = fHSVtoRGB( (int)$h, 96, 93);
$color = "#".hexa($rvb['r']).hexa($rvb['g']).hexa($rvb['b']);
return $color;
}
function panel_lock() {
global $err,$mem,$cuid;
if ($cuid!=2000) return false;
return touch(ALTERNC_LOCK_PANEL);
}
function panel_unlock() {
global $err,$mem,$cuid;
if ($cuid!=2000) return false;
return unlink(ALTERNC_LOCK_PANEL);
}
function panel_islocked() {
return file_exists(ALTERNC_LOCK_PANEL);
}
?>
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