<?php
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/*
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Copyright (c) 2010, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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//* The purpose of this library is to provide some general functions.
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//* This class is loaded automatically by the ispconfig framework.
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class functions {
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var $idn_converter = null;
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var $idn_converter_name = '';
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public function mail($to, $subject, $text, $from, $filepath = '', $filetype = 'application/pdf', $filename = '', $cc = '', $bcc = '', $from_name = '') {
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global $app, $conf;
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if($conf['demo_mode'] == true) $app->error("Mail sending disabled in demo mode.");
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$app->uses('getconf,ispcmail');
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$mail_config = $app->getconf->get_global_config('mail');
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if($mail_config['smtp_enabled'] == 'y') {
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$mail_config['use_smtp'] = true;
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$app->ispcmail->setOptions($mail_config);
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}
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$app->ispcmail->setSender($from, $from_name);
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$app->ispcmail->setSubject($subject);
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$app->ispcmail->setMailText($text);
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if($filepath != '') {
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if(!file_exists($filepath)) $app->error("Mail attachement does not exist ".$filepath);
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$app->ispcmail->readAttachFile($filepath);
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}
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if($cc != '') $app->ispcmail->setHeader('Cc', $cc);
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if($bcc != '') $app->ispcmail->setHeader('Bcc', $bcc);
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$app->ispcmail->send($to);
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$app->ispcmail->finish();
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return true;
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}
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public function array_merge($array1, $array2) {
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$out = $array1;
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foreach($array2 as $key => $val) {
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$out[$key] = $val;
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}
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return $out;
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}
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public function currency_format($number, $view = '') {
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global $app;
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if($view != '') $number_format_decimals = (int)$app->lng('number_format_decimals_'.$view);
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if(!$number_format_decimals) $number_format_decimals = (int)$app->lng('number_format_decimals');
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$number_format_dec_point = $app->lng('number_format_dec_point');
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$number_format_thousands_sep = $app->lng('number_format_thousands_sep');
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if($number_format_thousands_sep == 'number_format_thousands_sep') $number_format_thousands_sep = '';
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return number_format((double)$number, $number_format_decimals, $number_format_dec_point, $number_format_thousands_sep);
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}
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//* convert currency formatted number back to floating number
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public function currency_unformat($number) {
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global $app;
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$number_format_dec_point = $app->lng('number_format_dec_point');
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$number_format_thousands_sep = $app->lng('number_format_thousands_sep');
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if($number_format_thousands_sep == 'number_format_thousands_sep') $number_format_thousands_sep = '';
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if($number_format_thousands_sep != '') $number = str_replace($number_format_thousands_sep, '', $number);
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if($number_format_dec_point != '.' && $number_format_dec_point != '') $number = str_replace($number_format_dec_point, '.', $number);
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return (double)$number;
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}
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public function get_ispconfig_url() {
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global $app;
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$url = (stristr($_SERVER['SERVER_PROTOCOL'], 'HTTPS') || stristr($_SERVER['HTTPS'], 'on'))?'https':'http';
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if($_SERVER['SERVER_NAME'] != '_') {
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$url .= '://'.$_SERVER['SERVER_NAME'];
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if($_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443) {
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$url .= ':'.$_SERVER['SERVER_PORT'];
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}
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} else {
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$app->uses("getconf");
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$server_config = $app->getconf->get_server_config(1, 'server');
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$url .= '://'.$server_config['hostname'];
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if($_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443) {
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$url .= ':'.$_SERVER['SERVER_PORT'];
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}
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}
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return $url;
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}
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public function json_encode($data) {
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if(!function_exists('json_encode')){
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if(is_array($data) || is_object($data)){
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$islist = is_array($data) && (empty($data) || array_keys($data) === range(0, count($data)-1));
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if($islist){
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$json = '[' . implode(',', array_map(array($this, "json_encode"), $data) ) . ']';
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} else {
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$items = array();
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foreach( $data as $key => $value ) {
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$items[] = $this->json_encode("$key") . ':' . $this->json_encode($value);
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}
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$json = '{' . implode(',', $items) . '}';
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}
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} elseif(is_string($data)){
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// Escape non-printable or Non-ASCII characters.
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// I also put the \\ character first, as suggested in comments on the 'addclashes' page.
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$string = '"'.addcslashes($data, "\\\"\n\r\t/".chr(8).chr(12)).'"';
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$json = '';
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$len = strlen($string);
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// Convert UTF-8 to Hexadecimal Codepoints.
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for($i = 0; $i < $len; $i++){
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$char = $string[$i];
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$c1 = ord($char);
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// Single byte;
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if($c1 <128){
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$json .= ($c1 > 31) ? $char : sprintf("\\u%04x", $c1);
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continue;
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}
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// Double byte
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$c2 = ord($string[++$i]);
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if(($c1 & 32) === 0){
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$json .= sprintf("\\u%04x", ($c1 - 192) * 64 + $c2 - 128);
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continue;
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}
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// Triple
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$c3 = ord($string[++$i]);
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if(($c1 & 16) === 0){
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$json .= sprintf("\\u%04x", (($c1 - 224) <<12) + (($c2 - 128) << 6) + ($c3 - 128));
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continue;
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}
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// Quadruple
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$c4 = ord($string[++$i]);
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if(($c1 & 8) === 0){
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$u = (($c1 & 15) << 2) + (($c2>>4) & 3) - 1;
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$w1 = (54<<10) + ($u<<6) + (($c2 & 15) << 2) + (($c3>>4) & 3);
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$w2 = (55<<10) + (($c3 & 15)<<6) + ($c4-128);
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$json .= sprintf("\\u%04x\\u%04x", $w1, $w2);
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}
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}
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} else {
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// int, floats, bools, null
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$json = strtolower(var_export($data, true));
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}
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return $json;
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} else {
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return json_encode($data);
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}
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}
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public function suggest_ips($type = 'IPv4'){
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global $app;
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if($type == 'IPv4'){
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// $regex = "/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/";
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$regex = "/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/";
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} else {
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// IPv6
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$regex = "/(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))/";
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}
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$server_by_id = array();
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$server_by_ip = array();
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$servers = $app->db->queryAllRecords("SELECT * FROM server");
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if(is_array($servers) && !empty($servers)){
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foreach($servers as $server){
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$server_by_id[$server['server_id']] = $server['server_name'];
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}
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}
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$ips = array();
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$results = $app->db->queryAllRecords("SELECT ip_address AS ip, server_id FROM server_ip WHERE ip_type = ?", $type);
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if(!empty($results) && is_array($results)){
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foreach($results as $result){
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if(preg_match($regex, $result['ip'])){
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$ips[] = $result['ip'];
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$server_by_ip[$result['ip']] = $server_by_id[$result['server_id']];
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}
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}
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}
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$results = $app->db->queryAllRecords("SELECT ip_address AS ip FROM openvz_ip");
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if(!empty($results) && is_array($results)){
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foreach($results as $result){
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if(preg_match($regex, $result['ip'])) $ips[] = $result['ip'];
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}
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}
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$results = $app->db->queryAllRecords("SELECT data AS ip FROM dns_rr WHERE type = 'A' OR type = 'AAAA'");
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if(!empty($results) && is_array($results)){
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foreach($results as $result){
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if(preg_match($regex, $result['ip'])) $ips[] = $result['ip'];
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}
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}
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$results = $app->db->queryAllRecords("SELECT ns AS ip FROM dns_slave");
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if(!empty($results) && is_array($results)){
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foreach($results as $result){
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if(preg_match($regex, $result['ip'])) $ips[] = $result['ip'];
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}
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}
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$results = $app->db->queryAllRecords("SELECT remote_ips FROM web_database WHERE remote_ips != ''");
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if(!empty($results) && is_array($results)){
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foreach($results as $result){
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$tmp_ips = explode(',', $result['remote_ips']);
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foreach($tmp_ips as $tmp_ip){
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$tmp_ip = trim($tmp_ip);
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if(preg_match($regex, $tmp_ip)) $ips[] = $tmp_ip;
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}
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}
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}
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$ips = array_unique($ips);
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sort($ips, SORT_NUMERIC);
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$result_array = array('cheader' => array(), 'cdata' => array());
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if(!empty($ips)){
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$result_array['cheader'] = array('title' => 'IPs',
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'total' => count($ips),
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'limit' => count($ips)
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);
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foreach($ips as $ip){
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$result_array['cdata'][] = array( 'title' => $ip,
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'description' => $type.($server_by_ip[$ip] != ''? ' > '.$server_by_ip[$ip] : ''),
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'onclick' => '',
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'fill_text' => $ip
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);
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}
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}
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return $result_array;
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}
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public function intval($string, $force_numeric = false) {
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if(intval($string) == 2147483647 || ($string > 0 && intval($string) < 0)) {
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if($force_numeric == true) return floatval($string);
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elseif(preg_match('/^([-]?)[0]*([1-9][0-9]*)([^0-9].*)*$/', $string, $match)) return $match[1].$match[2];
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else return 0;
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} else {
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return intval($string);
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}
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}
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/**
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* Function to change bytes to kB, MB, GB or TB
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* @param int $size - size in bytes
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* @param int precicion - after-comma-numbers (default: 2)
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* @return string - formated bytes
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*/
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public function formatBytes($size, $precision = 2) {
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$base=log($size)/log(1024);
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$suffixes=array('', ' kB', ' MB', ' GB', ' TB');
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return round(pow(1024, $base-floor($base)), $precision).$suffixes[floor($base)];
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}
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/** IDN converter wrapper.
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* all converter classes should be placed in ISPC_CLASS_PATH.'/idn/'
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*/
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private function _idn_encode_decode($domain, $encode = true) {
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if($domain == '') return '';
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if(preg_match('/^[0-9\.]+$/', $domain)) return $domain; // may be an ip address - anyway does not need to bee encoded
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// get domain and user part if it is an email
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$user_part = false;
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if(strpos($domain, '@') !== false) {
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$user_part = substr($domain, 0, strrpos($domain, '@'));
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$domain = substr($domain, strrpos($domain, '@') + 1);
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}
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if($encode == true) {
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if(function_exists('idn_to_ascii')) {
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$domain = idn_to_ascii($domain, IDNA_NONTRANSITIONAL_TO_ASCII, INTL_IDNA_VARIANT_UTS46);
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} elseif(file_exists(ISPC_CLASS_PATH.'/idn/idna_convert.class.php')) {
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/* use idna class:
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* @author Matthias Sommerfeld <mso@phlylabs.de>
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* @copyright 2004-2011 phlyLabs Berlin, http://phlylabs.de
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* @version 0.8.0 2011-03-11
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*/
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if(!is_object($this->idn_converter) || $this->idn_converter_name != 'idna_convert.class') {
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include_once ISPC_CLASS_PATH.'/idn/idna_convert.class.php';
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$this->idn_converter = new idna_convert(array('idn_version' => 2008));
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$this->idn_converter_name = 'idna_convert.class';
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}
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$domain = $this->idn_converter->encode($domain);
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}
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} else {
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if(function_exists('idn_to_utf8')) {
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$domain = idn_to_utf8($domain, IDNA_NONTRANSITIONAL_TO_ASCII, INTL_IDNA_VARIANT_UTS46);
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} elseif(file_exists(ISPC_CLASS_PATH.'/idn/idna_convert.class.php')) {
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/* use idna class:
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* @author Matthias Sommerfeld <mso@phlylabs.de>
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* @copyright 2004-2011 phlyLabs Berlin, http://phlylabs.de
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* @version 0.8.0 2011-03-11
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*/
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if(!is_object($this->idn_converter) || $this->idn_converter_name != 'idna_convert.class') {
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include_once ISPC_CLASS_PATH.'/idn/idna_convert.class.php';
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$this->idn_converter = new idna_convert(array('idn_version' => 2008));
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$this->idn_converter_name = 'idna_convert.class';
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}
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$domain = $this->idn_converter->decode($domain);
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}
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}
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if($user_part !== false) return $user_part . '@' . $domain;
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else return $domain;
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}
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public function idn_encode($domain) {
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$domains = explode("\n", $domain);
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for($d = 0; $d < count($domains); $d++) {
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$domains[$d] = $this->_idn_encode_decode($domains[$d], true);
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}
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return implode("\n", $domains);
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}
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public function idn_decode($domain) {
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$domains = explode("\n", $domain);
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for($d = 0; $d < count($domains); $d++) {
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$domains[$d] = $this->_idn_encode_decode($domains[$d], false);
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}
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return implode("\n", $domains);
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}
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public function is_allowed_user($username, $restrict_names = false) {
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global $app;
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$name_blacklist = array('root','ispconfig','vmail','getmail');
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if(in_array($username,$name_blacklist)) return false;
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if(preg_match('/^[a-zA-Z0-9\.\-_]{1,32}$/', $username) == false) return false;
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if($restrict_names == true && preg_match('/^web\d+$/', $username) == false) return false;
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return true;
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}
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public function is_allowed_group($groupname, $restrict_names = false) {
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global $app;
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$name_blacklist = array('root','ispconfig','vmail','getmail');
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if(in_array($groupname,$name_blacklist)) return false;
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if(preg_match('/^[a-zA-Z0-9\.\-_]{1,32}$/', $groupname) == false) return false;
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if($restrict_names == true && preg_match('/^client\d+$/', $groupname) == false) return false;
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return true;
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}
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public function getimagesizefromstring($string){
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if (!function_exists('getimagesizefromstring')) {
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$uri = 'data://application/octet-stream;base64,' . base64_encode($string);
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return getimagesize($uri);
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} else {
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return getimagesizefromstring($string);
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}
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}
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public function password($minLength = 10, $special = false){
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global $app;
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$iteration = 0;
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$password = "";
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$maxLength = $minLength + 5;
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$length = $this->getRandomInt($minLength, $maxLength);
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while($iteration < $length){
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$randomNumber = (floor(((mt_rand() / mt_getrandmax()) * 100)) % 94) + 33;
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if(!$special){
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if (($randomNumber >=33) && ($randomNumber <=47)) { continue; }
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if (($randomNumber >=58) && ($randomNumber <=64)) { continue; }
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if (($randomNumber >=91) && ($randomNumber <=96)) { continue; }
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if (($randomNumber >=123) && ($randomNumber <=126)) { continue; }
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}
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$iteration++;
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$password .= chr($randomNumber);
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}
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$app->uses('validate_password');
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if($app->validate_password->password_check('', $password, '') !== false) $password = $this->password($minLength, $special);
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return $password;
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}
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public function getRandomInt($min, $max){
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return floor((mt_rand() / mt_getrandmax()) * ($max - $min + 1)) + $min;
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}
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public function generate_customer_no(){
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global $app;
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// generate customer no.
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$customer_no = mt_rand(100000, 999999);
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while($app->db->queryOneRecord("SELECT client_id FROM client WHERE customer_no = ?", $customer_no)) {
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$customer_no = mt_rand(100000, 999999);
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}
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return $customer_no;
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}
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}
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?>
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