<?
/*class.xpay.php

Author: James A Dean, hide@address.com
License: Use and distribute at non-profit at will, please let me know if you make any changes, and feedback would be great

*/


class Xpay
{
	var $host;
	var $port;
	var $sitereference;
	var $certificate;
	
	function Xpay($sitereference,$certlocation,$port = 5000,$host = "127.0.0.1")
	{
		$this->host = $host;
		$this->port = $port;
		$this->sitereference = $sitereference; //string
		$this->certificate = $certlocation; //string
	}
	
	function alive()
	{
		$open_socket = fsockopen($this->host,$this->port);
		if(!open_socket){
			return false;
		}else{
			fclose($open_socket);
			return true;
		}
	}
	
	function auth($operation,$customerinfo,$paymentmethod,$order,$optional = array())
	{
		$xml = "\n<RequestBlock Version=\"3.15\">\n";
		$xml.= "<Request Type=\"AUTH\">\n";
		
		//operation
		$xml.= "<Operation>\n";
		$xml.= "	<Amount>".$operation["amount"]."</Amount>\n";
		$xml.= "	<Currency>GBP</Currency>\n";
		$xml.= "	<SiteReference>".$this->sitereference."</SiteReference>\n";
		$xml.= "	<SettlementDay>1</SettlementDay>\n";
		$xml.= "</Operation>\n\n";
		
		//customerinfo
		$xml.= "<CustomerInfo>\n";
		$xml.= "	<Postal>\n";
		$xml.= "		<Name>\n";
		$xml.= "			<NamePrefix>".$customerinfo["nameprefix"]."</NamePrefix>\n";
		$xml.= "			<FirstName>".$customerinfo["firstname"]."</FirstName>\n";
		$xml.= "			<MiddleName>".$customerinfo["middlename"]."</MiddleName>\n";
		$xml.= "			<LastName>".$customerinfo["lastname"]."</LastName>\n";
		$xml.= "			<NameSuffix>".$customerinfo["namesuffix"]."</NameSuffix>\n";
		$xml.= "		</Name>\n";
		$xml.= "		<Company>".$customerinfo["company"]."</Company>\n";
		$xml.= "		<Street>".$customerinfo["street"]."</Street>\n";
		$xml.= "		<City>".$customerinfo["city"]."</City>\n";
		$xml.= "		<StateProv>".$customerinfo["stateprov"]."</StateProv>\n";
		$xml.= "		<PostalCode>".$customerinfo["postcode"]."</PostalCode>\n";
		$xml.= "		<CountryCode>".$customerinfo["countrycode"]."</CountryCode>\n";
		$xml.= "	</Postal>\n";
		$xml.= "	<Telecom>\n";
		$xml.= "		<Phone>".$customerinfo["phone"]."</Phone>\n";
		$xml.= "	</Telecom>\n";
		$xml.= "	<Online>\n";
		$xml.= "		<Email>".$customerinfo["email"]."</Email>\n";
		$xml.= "	</Online>\n";
		$xml.= "</CustomerInfo>\n\n";

		//paymentmethod
		$xml.= "<PaymentMethod>\n";
		$xml.= "	<CreditCard>\n";
		$xml.= "		<Type>".$paymentmethod["type"]."</Type>\n";
		$xml.= "		<Number>".$paymentmethod["number"]."</Number>\n";
		$xml.= "		<Issue>".$paymentmethod["issue"]."</Issue>\n";
		$xml.= "		<StartDate>".$paymentmethod["startdate"]."</StartDate>\n";
		$xml.= "		<SecurityCode>".$paymentmethod["securitycode"]."</SecurityCode>\n";
		$xml.= "		<ExpiryDate>".$paymentmethod["expirydate"]."</ExpiryDate>\n";
		$xml.= "	</CreditCard>\n";
		$xml.= "</PaymentMethod>\n\n";
		
		//order
		$xml.= "<Order>\n";
		$xml.= "	<OrderReference>".$order["orderreference"]."</OrderReference>\n";
		$xml.= "	<OrderInformation>".$order["orderinformation"]."</OrderInformation>\n";
		$xml.= "</Order>\n\n";
		
		//optional
		$xml.= "<Optional>\n";
		$xml.= "	<Processor>class.xpay.php</Processor>\n";
		foreach($optional as $key => $val){
			$xml.= "	<".$key.">";
			if(is_array($val)){
				foreach($val as $subkey1 => $subval1){
					$xml.= "\n		<".$subkey1.">".$subval1."</".$subkey1.">";
				}
			}else{
				$xml.= $val;
			}
			$xml.= "	</".$key.">\n";
		}
		$xml.= "</Optional>\n";
		$xml.= "</Request>\n\n";
		
		
		
		//certificate
		$xml.= "<Certificate>".fread(fopen($this->certificate,"r"),filesize($this->certificate))."</Certificate>\n\n";
	
		$xml.= "</RequestBlock>\n\n";

		$return_xml = "";
		$open_socket = fsockopen($this->host,$this->port,$errno,$errstr,30);
		if(!$open_socket){
			echo "$errstr ($errno)<br />\n";
		}else{
			fputs($open_socket,$xml);
			$i = 0;
			while(!feof($open_socket)){
				$line = fgets($open_socket,128);
				if($i > 2)
					$return_xml.= $line;
				$i++;
			}
			fclose($open_socket);
		}
				
		$p = xml_parser_create();
		xml_parser_set_option($p, XML_OPTION_CASE_FOLDING, 0);
   		xml_parser_set_option($p, XML_OPTION_SKIP_WHITE, 1);
		xml_parse_into_struct($p, $return_xml, $vals, $index);
		xml_parser_free($p);
		$return_array["TransactionReference"] = $vals[$index["TransactionReference"][0]]["value"];
		$return_array["AuthCode"] = $vals[$index["AuthCode"][0]]["value"];
		$return_array["Result"] = $vals[$index["Result"][0]]["value"];
		$return_array["Message"] = $vals[$index["Message"][0]]["value"];
		$return_array["SecurityMessage"] = $vals[$index["SecurityMessage"][0]]["value"];
		$return_array["TransactionCompletedTimestamp"] = $vals[$index["TransactionCompletedTimestamp"][0]]["value"];
		$return_array["TransactionVerifier"] = $vals[$index["TransactionVerifier"][0]]["value"];
		$return_array["OrderReference"] = $vals[$index["OrderReference"][0]]["value"];
		$return_array["OrderInformation"] = $vals[$index["OrderInformation"][0]]["value"];
		return $return_array;
	}
}

?>