<?php
define('GOOGLE_ACCOUNT','your-google-account@gmail.com');
define('GOOGLE_PASSWORD','your-google-password');
function query($data=array(),$fields=array()){
	foreach($data as $k=>$v)
		$fields[]=$k.'='.urlencode(stripslashes($v));
	return implode('&',$fields);
}
function googleapi($url,$post=null){
	global $auth;
	$ch=curl_init();
	curl_setopt($ch,CURLOPT_URL,$url);
	if(is_array($post)){
		curl_setopt($ch,CURLOPT_POST,true);
		curl_setopt($ch,CURLOPT_POSTFIELDS,query($post));
	}
	if($auth)
		curl_setopt($ch,CURLOPT_HTTPHEADER,array('Authorization: GoogleLogin auth='.$auth));
	curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
	curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,2);
	curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
	$data=curl_exec($ch) or curl_error($ch);
	curl_close($ch);
	return $data;
}
$auth=googleapi('https://www.google.com/accounts/ClientLogin',array(
						'accountType'=>'GOOGLE',
						'Email'=>GOOGLE_ACCOUNT,
						'Passwd'=>GOOGLE_PASSWORD,
						'service'=>'grandcentral',
						'source'=>'googlevoice.php'));
if(preg_match('/Error=([A-z]+)/',$auth,$error))
	die($error[1]);
if(preg_match('/Auth=([A-z0-9_-]+)/',$auth,$auth))
	$auth=$auth[1];
preg_match("/'_rnr_se'\: '([^']+)'/",googleapi('https://www.google.com/voice/'),$rnr);
$rnr=$rnr[1];
function call($them,$me){
	global $rnr;
	return googleapi('https://www.google.com/voice/call/connect/',array(
		'outgoingNumber'=>$them,
		'forwardingNumber'=>$me,
		'subscriberNumber'=>'undefined',
		'phoneType'=>2,
		'remember'=>'0',
		'_rnr_se'=>$rnr)
	);
}
function hangup(){
	global $rnr;
	return googleapi('https://www.google.com/voice/call/cancel/',array(
		'outgoingNumber'=>'undefined',
		'forwardingNumber'=>'undefined',
		'cancelType'=>'C2C',
		'_rnr_se'=>$rnr)
	);
}
function sms($them,$text){
	global $rnr;
	return googleapi('https://www.google.com/voice/sms/send/',array(
		'id'=>'',
		'phoneNumber'=>$them,
		'text'=>$text,
		'_rnr_se'=>$rnr)
	);
}
// Place a call: call(Their Number,Your Number);
// call(9135555555,3165555555);

// hangup();

// Send an SMS: sms(Their Number,Message);
// sms(9135555555,'Hello!');
?>