source: trunk/expressoMail1_2/inc/class.functions.inc.php @ 7673

<?php
                /*************************************************************************** 
                * Expresso Livre                                                           * 
                * http://www.expressolivre.org                                             * 
                * --------------------------------------------                             * 
                *  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.                                              * 
                \**************************************************************************/ 
                
        class Functions{

                // get the offset against GMT.
                function CalculateDateOffset()
                {

                    
                    $zones = $this->getTimezones();
                    $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['timezone'] = isset($GLOBALS['phpgw_info']['user']['preferences']['expressoMail']['timezone']) ? $GLOBALS['phpgw_info']['user']['preferences']['expressoMail']['timezone'] : sprintf("%s", array_search("America/Sao_Paulo", $zones));

                    $timezone_index = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['timezone'];
                    $user_timezone = $zones[$timezone_index];

                    $tz = new DateTimeZone($user_timezone);
                    $gmt = new DateTimeZone("Etc/GMT+0");
                    $gmttime = new DateTime("now", $gmt);
                    $offset = $tz->getOffset($gmttime);
                    return $offset;
                }

                function getTimezones()
                {
                    $zones = timezone_identifiers_list();
                    $friendly_zones = array();
                    foreach ($zones as $zone)
                    {
                        if (preg_match("/^(Africa|America|Antarctica|Arctic|Asia|Atlantic|Australia|Europe|Indian|Pacific)\/.*$/", $zone))
                        {
                           $friendly_zones[$zone] = $zone;// array_push($friendly_zones,  $zone);
                        }

                    }
                    return $friendly_zones;
                }

                function CallVoipConnect($params){
                        $fromNumber = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number'];
                        if(!$fromNumber)
                                return false;
                        $fromNumber = substr($fromNumber,strlen($fromNumber) - 4, strlen($fromNumber) - 1);
                        $toNumber       = $params['to'] ? substr($params['to'],strlen($params['to']) - 4, strlen($params['to']) - 1) : 0;
                        
                        $voipServer     = $_SESSION['phpgw_info']['expressomail']['server']['voip_server'];
                        $voipUrl        = $_SESSION['phpgw_info']['expressomail']['server']['voip_url'];
                        $voipPort       = $_SESSION['phpgw_info']['expressomail']['server']['voip_port'];
                        
                        // Se for celular, passa os digitos do número e conecta com outro VoIP Server.....
                        if($params['typePhone'] == 'mob'){
                                $toNumber       = $params['to'];
                                $voipServer     = $_SESSION['phpgw_info']['expressomail']['server']['voip_server'];
                                $voipUrl        = $_SESSION['phpgw_info']['expressomail']['server']['voip_url'];
                                $voipPort       = $_SESSION['phpgw_info']['expressomail']['server']['voip_port'];                               
                        }       
                                
                        if(!$voipServer || !$voipUrl || !$voipPort)
                                return false;
                        $url            = "http://".$voipServer.":".$voipPort.$voipUrl."?magic=1333&acao=liga&ramal=".$fromNumber."&numero=".$toNumber;                 
                        $sMethod = 'GET ';
            $crlf = "\r\n";
            $sRequest = " HTTP/1.1" . $crlf;
            $sRequest .= "Host: localhost" . $crlf;
            $sRequest .= "Accept: */* " . $crlf;
            $sRequest .= "Connection: Close" . $crlf . $crlf;            
            $sRequest = $sMethod . $url . $sRequest;    
            $sockHttp = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);            
            if (!$sockHttp)  {
                return false;
            }
            $resSocketConnect = socket_connect($sockHttp, $voipServer, $voipPort);
            if (!$resSocketConnect) {
                return false;
            }
            $resSocketWrite = socket_write($sockHttp, $sRequest, strlen($sRequest));
            if (!$resSocketWrite) {
                return false;
            }    
            $sResponse = '';    
            while ($sRead = socket_read($sockHttp, 512)) {
                $sResponse .= $sRead;
            }            
            
            socket_close($sockHttp);            
            $pos = strpos($sResponse, $crlf . $crlf);
            return substr($sResponse, $pos + 2 * strlen($crlf));                                                                        
                }

                function getDirContents($dir){
                        //$dir = dirname($dir);
        
                        if (!is_dir($dir))      {
                                        return 'Error: Cannot load files in :'. $dir.' !';
                        }
                        
                        if ($root=@opendir($dir))       {
                       
                       while ($file=readdir($root))     {                  
                           if($file!="." && $file!="..")
                                   $files[]=$dir."/".$file;           
                       }
                       
                        }
                        
                   return $files;
                }
                                
                function getFilesJs($includeFiles = '', $update_version = ''){
                        
                        $files = $this -> getDirContents('js');
                        $str_files = '';
                        
                        if($includeFiles) {
                                $includeFiles = explode(",",trim($includeFiles));
                                // Bug fixed for array_search function
                                $includeFiles[count($includeFiles)] = $includeFiles[0];
                                $includeFiles[0] = null;
                                // End Bug fixed.
                        }
            $files_count = count($files);
                        for($i = 0; $i < $files_count; ++$i) {
                                if(count(explode('.js',$files[$i])) > 1) {
                                        if($includeFiles  && array_search(trim($files[$i]),$includeFiles)){     
                                                $str_files .= "<script src='".$files[$i]."?".$update_version."' type='text/javascript'></script>";                                              
                                        }
                                }
                        }
                        
                        return $str_files;
                }                                                               

                function getReturnExecuteForm(){
                        $response = $_SESSION['response'];
                        $_SESSION['response'] = null;
                        return $response;
                }
                function getLang($key){
                        if ($_SESSION['phpgw_info']['expressomail']['lang'][$key])
                                return $_SESSION['phpgw_info']['expressomail']['lang'][$key];                   
                        else
                                return ($key . '*');
                }

                function get_preferences()      {
                        return $_SESSION['phpgw_info']['user']['preferences']['expressoMail'];
                }
                // Unicode Conversor: convert everything from UTF-8 into an NCR[Numeric Character Reference]
                function utf8_to_ncr($content)  {
            $result = "";            
            while ($strlen = mb_strlen($content)) {
                $c = mb_substr($content, 0, 1, "UTF-8");
                $h = ord($c{0});   
                    if ($h <= 0x7F || $h < 0xC2) {
                            // fixing curly brackets 
                            if($h == 0x7B || $h == 0x7D) 
                                    $result .= "&#" . $h . ";"; 
                            else 
                                    $result .= $c;
                    }
                        else if ($h <= 0xDF) {
                        $h = ($h & 0x1F) << 6 | (ord($c{1}) & 0x3F);
                        $result .= "&#" . $h . ";";
                    } else if ($h <= 0xEF) {
                        $h = ($h & 0x0F) << 12 | (ord($c{1}) & 0x3F) << 6 | (ord($c{2}) & 0x3F);
                        $result .= "&#" . $h . ";";
                    } else if ($h <= 0xF4) {
                        $h = ($h & 0x0F) << 18 | (ord($c{1}) & 0x3F) << 12 | (ord($c{2}) & 0x3F) << 6 | (ord($c{3}) & 0x3F);
                        $result .= "&#" . $h . ";";
                    }                
                $content = mb_substr( $content, 1, $strlen, "UTF-8");
            }
            return mb_convert_encoding($result,"UTF-8");
        }
    }   
?>