AlternC/bureau/class/functions.php

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<?php
/*
----------------------------------------------------------------------
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
----------------------------------------------------------------------
*/
/**
* @copyright AlternC-Team 2000-2017 https://alternc.com/
*/
/**
* Format a field value for input or textarea :
*
* @param string $str
* @return string
*/
function fl($str) {
return str_replace("<", "&lt;", str_replace("\"", "&quot;", $str));
}
/**
* 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
*
* @global string $L_NS1
* @global string $L_NS2
* @global m_mysql $db
* @global m_dom $dom
* @param string $domain
* @param array $dns
* @return int
*/
function checkhostallow($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) {
return $found;
}
if ($fmode == 2 && $n1 && $n2) {
return $found;
}
return -3; // DNS incorrect in the whois
}
/**
* Check that a domain can be hosted in that server,
* without DNS managment.
* @global m_mysql $db
* @param string $domain
* @return int
*/
function checkhostallow_nodns($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;
}
/**
* Return the remote IP.
* If you are behind a proxy, use X_FORWARDED_FOR instead of REMOTE_ADDR
* @return string
*/
function get_remote_ip() {
return getenv('REMOTE_ADDR');
}
/**
* Check that $url is a correct url (http:// or https:// or ftp://)
*
1 * @param type $url
* @return boolean
*/
function checkurl($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]);
return !$t;
}
/**
* Check that TXT domain is correct
*
* @param string $txt
* @return boolean
*/
function checksubtxt($txt) {
return true;
}
/**
* Check that CNAME domain is correct
* @param string $cname
* @return boolean
*/
function checkcname($cname) {
if (($check = checkfqdn(rtrim($cname, ".")))) {
if ($check != 4) { // ALLOW non-fully qualified (no .)
return false; // bad FQDN
}
}
if (substr($cname, -1) != ".") {
// Not fully qualified :
if (strpos($cname, ".") === false) {
// NO DOT in the middle, no DOT elsewhere => seems fine
return true;
} else {
// NO DOT at the end, but A DOT ELSEWHERE => seems broken (please use fully qualified)
return false;
}
}
// fully qualified => fine
return true;
}
/**
* Check that $ip is a correct 4 Dotted ip
* @param string $ip
* @return type
*/
function checkip($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
* @param string $ip
* @return type
*/
function checkipv6($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
* @todo Check who is using that function and delete it when unused
* @param string $mail
* @return boolean
*/
function checkloginmail($mail) {
return true;
}
/**
* Check an email address, use filter_var with emails, which works great ;)
* @todo check who is using that function and delete it when unused
* @param string $mail
* @return boolean
*/
function checkmail($mail) {
if (filter_var($mail, FILTER_VALIDATE_EMAIL)) {
return FALSE;
} else {
return TRUE;
}
}
/**
* Check that a domain name is fqdn compliant
* @param string $fqdn
* @return int
*/
function checkfqdn($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;
}
/**
* @global m_mem $mem
* @param string $path
* @return int
* return 0 if the path is not in the user's space
* return 1 if this is a directory
* return 2 if this is a regular file
*/
function checkuserpath($path) {
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
*
* @global m_mem $mem
* @args string $user the username, if null will use the global $mem. no
* security checks performed on path
* @return string the actual absolute path
*/
function getuserpath($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
*
* @param boolean $test
* @param boolean $echo
*/
function cbox($test, $echo = true) {
if ($test) {
$return = " checked=\"checked\"";
} else {
$return = '';
}
if ($echo) {
echo $return;
}
return $return;
}
/**
* ECHOes selected="selected" only if the parameter is true
* useful for checkboxes and radio buttons
*
* @param boolean $bool
* @param boolean $echo
* @return string
*/
function selected($bool, $echo = TRUE) {
if ($bool) {
$return = " selected=\"selected\"";
} else {
$return = '';
}
if ($echo) {
echo $return;
}
return $return;
}
/**
*
* @param boolean $test
* @param string $tr
* @param string $fa
* @param integer $affiche
* @return string
*/
function ecif($test, $tr, $fa = "", $affiche = 1) {
if ($test) {
$retour = $tr;
} else {
$retour = $fa;
}
if ($affiche) {
echo $retour;
}
return $retour;
}
/**
*
* @param string $str
*/
function __($str) {
echo _($str);
}
/**
*
* @param boolean $test
* @param string $tr
* @param string $fa
* @return string
*/
function ife($test, $tr, $fa = "") {
if ($test) {
return $tr;
}
return $fa;
}
/**
*
* @param int|string $size
* @param integer $html
* @return string
*/
function format_size($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;
}
}
/**
*
* @param int $hid
* @return string
*/
function getlinkhelp($hid) {
return "(<a href=\"javascript:help($hid);\">?</a>)";
}
/**
*
* @param int $hid
*/
function linkhelp($hid) {
echo getlinkhelp($hid);
}
/**
*
* @param string $format
* @param string $date
* @return string
*/
function format_date($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";
}
// we want every number to be treated as a string.
$format=str_replace('$d', '$s', $format);
return sprintf($format, $d, $m, $y, $h, $i, $hh, $am);
}
/**
* Strip slashes if needed :
* @param string $str
* @return string
*/
function ssla($str) {
if (get_magic_quotes_gpc()) {
return stripslashes($str);
} else {
return $str;
}
}
/** Hashe a password using proper crypto function
* @param string $pass a cleartext password to hash
* @return string the hash
* @access private
*/
function _md5cr($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 integer $months Nombre de mois
* @return string Cha<68>ne repr<70>sentant le nombre de mois
* @access private
*/
function pretty_months($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
*
* @param array $values
* @param string $cur
* @param boolean $onedim
*/
function eoption($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 ">" . $v . "</option>";
}
}
}
/**
* Echo the HTMLSpecialChars version of a value.
* (or return it if display=false
* Must be called when pre-filling fields values in forms such as :
* <input type="text" name="toto" value="<?php ehe($toto); ?>" />
* Use the charset of the current language for transcription
*
* @global string $charset
* @param string $str
* @param boolean $display
* @return string
*/
function ehe($str, $display = TRUE) {
global $charset;
$quoted = htmlspecialchars($str, ENT_QUOTES|ENT_SUBSTITUTE, $charset);
if ($display) {
echo $quoted;
}
return $quoted;
}
/**
* Echo the URLENCODED version of a value.
* (or return it if display=false)
* Must be called when pre-filling fields values in URLS such as :
* document.location='logs_tail.php?file=<?php eue($file); ?>
* Use the charset of the current language for transcription
*
* @global string $charset
* @param string $str
* @param boolean $display
* @return string
*/
function eue($str, $display = TRUE) {
global $charset;
$quoted = urlencode($str);
if ($display) {
echo $quoted;
}
return $quoted;
}
/**
* Get the Fields of the posted form from $_REQUEST or POST or GET
* and check their type
*
* @param array $fields
* @param boolean $requestOnly
* @return array
*/
function getFields($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;
}
/**
*
* @param array $array
*/
function printVar($array) {
echo "<pre style=\"border: 1px solid black; text-align: left; font-size: 9px\">\n";
print_r($array);
echo "</pre>\n";
}
/**
*
* @param array $a
* @param array $b
* @return int
*/
function list_properties_order($a, $b) {
if ($a['label'] == $b['label']) {
return 0;
}
return ($a['label'] < $b['label']) ? -1 : 1;
}
/**
* Shows a pager : 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
*
* @param int $offset
* @param int $count
* @param int $total
* @param string $url
* @param string $before
* @param string $after
* @param boolean $echo
* @return string
*/
function pager($offset, $count, $total, $url, $before = "", $after = "", $echo = true) {
$return = "";
$offset = intval($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;
}
$return .= $before;
// Shall-we show previous page link ?
if ($offset) {
$o = max($offset - $count, 0);
$return .= "<a href=\"" . str_replace("%%offset%%", $o, $url) . "\" alt=\"(Ctl/Alt-p)\" title=\"(Alt-p)\" accesskey=\"p\">" . _("Previous Page") . "</a> ";
} else {
$return .= _("Previous Page") . " ";
}
if ($total > (2 * $count)) { // On n'affiche le pager central (0 1 2 ...) s'il y a au moins 2 pages.
$return .= " - ";
if (($total < ($count * 10)) && ($total > $count)) { // moins de 10 pages :
for ($i = 0; $i < $total / $count; $i++) {
$o = $i * $count;
if ($offset == $o) {
$return .= $i . " ";
} else {
$return .= "<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) {
$return .= $i . " ";
} else {
$return .= "<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) {
$return .= " ... ";
}
for ($i = $start; $i < $end; $i++) {
$o = $i * $count;
if ($offset == $o) {
$return .= $i . " ";
} else {
$return .= "<a href=\"" . str_replace("%%offset%%", $o, $url) . "\">$i</a> ";
}
}
if ($end != intval($total / $count) - 3) {
$return .= " ... ";
}
} else {
$return .= " ... ";
}
for ($i = intval($total / $count) - 3; $i < $total / $count; $i++) {
$o = $i * $count;
if ($offset == $o) {
$return .= $i . " ";
} else {
$return .= "<a href=\"" . str_replace("%%offset%%", $o, $url) . "\">$i</a> ";
}
}
$return .= " - ";
} // More than 10 pages?
}
// Shall-we show the next page link ?
if ($offset + $count < $total) {
$o = $offset + $count;
$return .= "<a href=\"" . str_replace("%%offset%%", $o, $url) . "\" alt=\"(Ctl/Alt-s)\" title=\"(Alt-s)\" accesskey=\"s\">" . _("Next Page") . "</a> ";
} else {
$return .= _("Next Page") . " ";
}
$return .= $after;
if ($echo) {
echo $return;
}
return $return;
}
/**
* Create a password compatible with the password policy
* @param int $length
* @param int $classcount
* @return string a random password
*/
function create_pass($length = 10, $classcount = 3) {
$sets = array();
// Use up to 4 character classes, 3 by default.
if ($classcount < 4)
$available_sets='lud';
else
$available_sets='luds';
if(strpos($available_sets, 'l') !== false)
$sets[] = 'abcdefghijklmnopqrstuvwxyz';
if(strpos($available_sets, 'u') !== false)
$sets[] = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
if(strpos($available_sets, 'd') !== false)
$sets[] = '0123456789';
if(strpos($available_sets, 's') !== false)
$sets[] = '(!#$%)*+,-./:;<=>?@[\]^_';
$all = '';
$password = '';
foreach($sets as $set) {
$password .= $set[array_rand(str_split($set))];
$all .= $set;
}
$all = str_split($all);
for($i = 0; $i < $length - count($sets); $i++)
$password .= $all[array_rand($all)];
$password = str_shuffle($password);
return $password;
}
/**
* Show a button to set a random password for a password field.
*
* @param int $pass_size size of the password
* @param string $fields_to_fill1 html field where we will put the password
* @param string $fields_to_fill2 a second (password confirmation) field where we will put the password
* @return int
*/
function display_div_generate_password($pass_size = DEFAULT_PASS_SIZE, $fields_to_fill1 = "", $fields_to_fill2 = "", $classcount = 3) {
static $id=1;
echo "<div id='z$id' style='display:none;'><a href=\"javascript:generate_password_html('$id',$pass_size,'$fields_to_fill1','$fields_to_fill2',$classcount);\">";
__("Clic here to generate a password");
echo "</a></div>";
echo "<script type='text/javascript'>$('#z$id').show();</script>";
$id++;
return 0;
}
/**
* Show a button to select a folder on the server
*
* @param string $dir
* @param string $caller
* @param int $width
* @param int $height
*/
function display_browser($dir = "", $caller = "main.dir", $width = 350, $height = 450) {
// Browser id
static $id=0;
$id++;
$bid = "b" . $id;
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, false) . "&amp;bid=" . $bid . "\" width=\"" . ($width - 40) . "\" height=\"" . ($height - 64) . "\" frameborder=\"no\" id=\"browseiframe\"></iframe>');
document.write('</div>');
// -->
</script>
";
}
/**
* 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().
*
* @param int $iH
* @param int $iS
* @param int $iV
* @return array
*/
function fHSVtoRGB($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));
}
/**
*
* @param int $hex
* @return int
*/
function hexa($hex) {
$num = dechex($hex);
return (strlen("$num") >= 2) ? "$num" : "0$num";
}
/**
*
* @param int $p
* @return string
*/
function PercentToColor($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;
}
/**
*
* @global m_messages $msg
* @global m_mem $mem
* @global int $cuid
* @return boolean
*/
function panel_lock() {
global $cuid;
if ($cuid != 2000) {
return false;
}
return touch(ALTERNC_LOCK_PANEL);
}
/**
*
* @global m_messages $msg
* @global m_mem $mem
* @global int $cuid
* @return boolean
*/
function panel_unlock() {
global $cuid;
if ($cuid != 2000) {
return false;
}
return unlink(ALTERNC_LOCK_PANEL);
}
/**
*
* @return boolean
*/
function panel_islocked() {
return file_exists(ALTERNC_LOCK_PANEL);
}
/** Give a new CSRF uniq token for a form
* the session must be up since the CSRF is linked
* to the session cookie. We also need the $db pdo object
* @return the csrf cookie to add into a csrf hidden field in your form
*/
function csrf_get($return=false) {
global $db;
static $token="";
if (!isset($_SESSION["csrf"])) {
$_SESSION["csrf"]=md5(mt_rand().mt_rand().mt_rand());
}
if ($token=="") {
$token=md5(mt_rand().mt_rand().mt_rand());
$db->query("INSERT INTO csrf SET cookie=?, token=?, created=NOW(), used=0;",array($_SESSION["csrf"],$token));
}
if ($return)
return $token;
echo '<input type="hidden" name="csrf" value="'.$token.'" />';
return true;
}
/** Check a CSRF token against the current session
* a token can be only checked once, it's disabled then
* @param $token string the token to check in the DB + session
* @return $result integer 0 for invalid token, 1 for good token, -1 for expired token (already used)
* if a token is invalid or expired, an $msg is raised, that can be displayed
*/
function csrf_check($token=null) {
global $db,$msg;
if (is_null($token)) $token=$_POST["csrf"];
if (!isset($_SESSION["csrf"])) {
$msg->raise("ERROR", "functions", _("The posted form token is incorrect. Maybe you need to allow cookies"));
return 0; // no csrf cookie :/
}
if (strlen($token)!=32 || strlen($_SESSION["csrf"])!=32) {
unset($_SESSION["csrf"]);
$msg->raise("ERROR", "functions", _("Your cookie or token is invalid"));
return 0; // invalid csrf cookie
}
$db->query("SELECT used FROM csrf WHERE cookie=? AND token=?;",array($_SESSION["csrf"],$token));
if (!$db->next_record()) {
$msg->raise("ERROR", "functions", _("You can't post twice the same form, please retry."));
return 0; // invalid csrf cookie
}
if ($db->f("used")) {
$msg->raise("ERROR", "functions", _("You can't post twice the same form, please retry."));
return -1; // expired
}
$db->query("UPDATE csrf SET used=1 WHERE cookie=? AND token=?;",array($_SESSION["csrf"],$token));
$db->exec("DELETE FROM csrf WHERE created<DATE_SUB(NOW(), INTERVAL 1 DAY);");
return 1;
}
/**
* Create a SHA512-CRYPT hash of a string.
*/
function _sha512cr($password, $salt = NULL) {
if (!$salt) {
// Aim to have a 16 character salt for SHA-512 crypt.
// @see https://secure.php.net/manual/en/function.crypt.php
if (function_exists('random_bytes')) {
// PHP >= 7.0
$salt = base64_encode(random_bytes(12));
}
else if (function_exists('mcrypt_create_iv')) {
$salt = base64_encode(mcrypt_create_iv(12, MCRYPT_DEV_URANDOM));
}
else if (function_exists('openssl_random_pseudo_bytes')) {
$salt = base64_encode(openssl_random_pseudo_bytes(12));
}
if (!$salt) {
throw Exception('Unable to generate salt');
}
}
$salt = '$6$rounds=20000$' . $salt;
$hash = crypt($password, $salt);
return $hash;
}
/**
* Create a password hash for use with dovecot.
*/
function _dovecot_hash($password) {
// In any case the final password saved for dovecot can store the
// scheme to override the default on a per-account basis.
// Ideally this is updated to bcrypt or argon2 when those become
// available in dovecot.
// @see https://wiki.dovecot.org/Authentication/PasswordSchemes
$hash = _sha512cr($password);
return '{SHA512-CRYPT}' . $hash;
}
// ------------------------------------------------------------
/**
* Add the line of text $line into file $file.
* do not duplicate (check)
* @param $file string the full path to the file where we should add the line
* @param $line string the line to add (without the termination \n, WILL BE ADDED)
* @return boolean TRUE if the line has been added, or FALSE if the line ALREADY EXISTED
*/
function add_line_to_file($file,$line) {
$f=fopen($file,"rb");
$found=false;
while($s=fgets($f,1024)) {
if (trim($s)==$line) {
$found=true;
return false;
}
}
fclose($f);
$f=fopen($file,"ab");
fputs($f,trim($line)."\n");
fclose($f);
return true;
}
// ------------------------------------------------------------
/**
* Remove the line of text $line from file $file.
* @param $file string the full path to the file where we should remove the line
* @param $line string the line to add (without the termination \n, WILL BE REMOVED)
* @return boolean TRUE if the line has been found and removed, or FALSE if the line DIDN'T EXIST
*/
function del_line_from_file($file,$line) {
$f=fopen($file,"rb");
$g=fopen($file.".new","wb");
$found=false;
while($s=fgets($f,1024)) {
if (trim($s)!=$line) {
fputs($g,$s);
} else {
$found=true;
}
}
fclose($f);
fclose($g);
rename($file.".new",$file); // overwrite atomically
return $found;
}