<?php
/**
* sms_inject
*
* @package gammu smsd class
* @author ikhsan agustian <ikhsan017@gmail.com>
* @license Distributed under GNU/GPL
* @version 0.1
* @access public
*/
class sms_inject
{
private $error, $res, $msg, $dest, $udh, $msg_part, $sendingDateTime; //msg_part array of couple udh + msg
/**
* sms_inject::__construct()
* @usage object constructor
* @param mysql link resource $res
* @return void
*/
function __construct($res) //throw mysql resource as argument
{
$this->udh=array(
'udh_length'=>'05', //sms udh lenth 05 for 8bit udh, 06 for 16 bit udh
'identifier'=>'00', //use 00 for 8bit udh, use 08 for 16bit udh
'header_length'=>'03', //length of header including udh_length & identifier
'reference'=>'00', //use 2bit 00-ff if 8bit udh, use 4bit 0000-ffff if 16bit udh
'msg_count'=>1, //sms count
'msg_part'=>1 //sms part number
);
$this->msg_part=array();
$this->res=$res;
$this->error=array();
}
/**
* sms_inject::mass_sms()
* @usage tell gammu-smsd to send one sms to many recipient
* @param string $msg
* @param array $dest
* @param string $sender
* @return void
*/
function mass_sms($msg,$dest,$sender='',$sendingDateTime='')
{
$this->msg=$msg;
$this->create_msg();
if(!is_array($dest))
{
$this->send_sms($msg,$dest,$sender,$sendingDateTime);
}
else
{
foreach($dest as $dst)
{
$this->send_sms($msg,$dst,$sender,$sendingDateTime);
}
}
}
/**
* sms_inject::send_sms()
* @usage tell gammu-smsd to send sms to sepcified phone number
* @param string $msg
* @param string $dest
* @param string $sender
* @return false if error
*/
function send_sms($msg,$dest,$sender='',$sendingDateTime='')
{
if(!$dest)
{
$this->error[]='No destination number defined';
return false;
}
$this->msg=$msg;
$this->dest=$dest;
$this->sendingDateTime=$sendingDateTime;
$this->create_msg();
//uncomment to get preview
//echo "<pre>Destination : $this->dest\nSender : $sender\nMessage :\n";print_r($this->msg_part);
$this->inject($sender);
}
/**
* sms_inject::inject()
* @usage insert previously created sms part to database
* @param string $sender
* @return void
*/
private function inject($sender='')
{
$multipart=(count($this->msg_part) > 1)?'true':'false';
$id='';
foreach($this->msg_part as $number => $sms)
{
if($number==1)
{
$query="insert into outbox (`UDH`,`SendingDateTime`,`DestinationNumber`,`TextDecoded`,`MultiPart`,`SenderID`) values ('{$sms['udh']}','{$this->sendingDateTime}','{$this->dest}','{$sms['msg']}','{$multipart}','$sender')";
mysql_query($query,$this->res);
$id=mysql_fetch_assoc(mysql_query("select last_insert_id() as id",$this->res));
$id=$id['id'];
}
else
{
$query="insert into outbox_multipart (`UDH`,`SequencePosition`,`TextDecoded`,`ID`) values ('{$sms['udh']}','{$number}','{$sms['msg']}','{$id}')";
mysql_query($query,$this->res);
}
}
}
/**
* sms_inject::create_msg()
* @usage create sms message (and create udh if sms is multipart)
* @return void
*/
private function create_msg()
{
$x=1;
if(strlen($this->msg)<=160) //if single sms, send without udh
{
$this->msg_part[$x]['udh']='';
$this->msg_part[$x]['msg']=$this->msg;
}
else //if multipart sms, split into 153 character each part
{
$msg=str_split($this->msg,153);
$ref=mt_rand(1,255);
$this->udh['msg_count']=$this->dechex_str(count($msg));
$this->udh['reference']=$this->dechex_str($ref);
foreach($msg as $part)
{
$this->udh['msg_part']=$this->dechex_str($x);
$this->msg_part[$x]['udh']=implode('',$this->udh);
$this->msg_part[$x]['msg']=$part;
$x++;
}
}
}
/**
* sms_inject::dechex_str()
* @usage convert decimal to zerofilled hexadecimal
* @param integer $ref
* @return 2 digit hexa-decimal in string format
*/
private function dechex_str($ref)
{
return ($ref <= 15 )?'0'.dechex($ref):dechex($ref);
}
}
?>
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