Try this:
<?php
/**
* Returns the pay page url or the merchant js file.
*
* @param unknown $params
* @param unknown $salt
* @throws Exception
* @return Ambigous <multitype:number string , multitype:number Ambigous <boolean, string> >
*/
function pay ( $params, $salt )
{
if ( ! is_array( $params ) ) throw new Exception( 'Pay params is empty' );
if ( empty( $salt ) ) throw new Exception( 'Salt is empty' );
$payment = new Payment( $salt );
$result = $payment->pay( $params );
unset( $payment );
return $result;
}
/**
* Displays the pay page.
*
* @param unknown $params
* @param unknown $salt
* @throws Exception
*/
function pay_page ( $params, $salt )
{
if ( count( $_POST ) && isset( $_POST['mihpayid'] ) && ! empty( $_POST['mihpayid'] ) ) {
$_POST['surl'] = $params['surl'];
$_POST['furl'] = $params['furl'];
$result = response( $_POST, $salt );
Misc::show_reponse( $result );
} else {
$host = (isset( $_SERVER['https'] ) ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
if ( isset( $_SERVER['REQUEST_URI'] ) && ! empty( $_SERVER['REQUEST_URI'] ) ) $params['surl'] = $host;
if ( isset( $_SERVER['REQUEST_URI'] ) && ! empty( $_SERVER['REQUEST_URI'] ) ) $params['furl'] = $host;
$result = pay( $params, $salt );
Misc::show_page( $result );
}
}
/**
* Returns the response object.
*
* @param unknown $params
* @param unknown $salt
* @throws Exception
* @return number
*/
function response ( $params, $salt )
{
if ( ! is_array( $params ) ) throw new Exception( 'PayU response params is empty' );
if ( empty( $salt ) ) throw new Exception( 'Salt is empty' );
if ( empty( $params['status'] ) ) throw new Exception( 'Status is empty' );
$response = new Response( $salt );
$result = $response->get_response( $_POST );
unset( $response );
return $result;
}
/**
* Basic autoloader
*
* @param classname $file
*
define( 'INCLUDE_PATH', dirname( __FILE__ ) . '/src/' );
function __autoload ( $file )
{
require_once INCLUDE_PATH . $file . '.php';
}
*/
/* Should libcurl or curl.so be absent. */
if ( ! function_exists( 'curl_init' ) ) :
define( 'CURLOPT_URL', 1 );
define( 'CURLOPT_USERAGENT', 2 );
define( 'CURLOPT_POST', 3 );
define( 'CURLOPT_POSTFIELDS', 4 );
define( 'CURLOPT_RETURNTRANSFER', 5 );
define( 'CURLOPT_REFERER', 6 );
define( 'CURLOPT_HEADER', 7 );
define( 'CURLOPT_TIMEOUT', 8 );
define( 'CURLOPT_CONNECTTIMEOUT', 9 );
define( 'CURLOPT_FOLLOWLOCATION', 10 );
define( 'CURLOPT_AUTOREFERER', 11 );
define( 'CURLOPT_PROXY', 12 );
define( 'CURLOPT_PORT', 13 );
define( 'CURLOPT_HTTPHEADER', 14 );
define( 'CURLOPT_SSL_VERIFYHOST', 15 );
define( 'CURLOPT_SSL_VERIFYPEER', 16 );
function curl_init ( $url = false )
{
return new Curl( $url );
}
function curl_setopt ( &$ch, $name, $value )
{
$ch->setopt( $name, $value );
}
function curl_exec ( $ch )
{
return $ch->exec();
}
function curl_close ( &$ch )
{
unset( $ch );
}
function curl_errno ( $ch )
{
return $ch->error;
}
function curl_error ( $ch_error )
{
return "Could not open socket";
}
function curl_getinfo ( $ch, $opt = NULL )
{
return $ch->info;
}
function curl_setopt_array ( &$ch, $opt )
{
$ch->setoptArray( $opt );
}
endif;
class Curl {
private $url = "";
private $user_agent = "libCurl";
private $return_result = false;
private $referrer = false;
private $cookies_on = false;
private $proxy = array ();
private $timeout = 30;
private $cookies;
private $headers;
private $method = "GET";
private $httpHeader = "application/x-www-form-urlencoded";
public $error = 0;
public $info = array ();
function __construct ( $url = false )
{
$this->cookies = new Cookies();
$this->url = $url;
$this->info['total_time'] = time();
}
function __destruct ()
{}
private function getHost ( $url )
{
$url = str_replace( array ( "http://", "https://" ), "", $url );
$tmp = explode( "/", $url );
return $tmp[0];
}
private function getQuery ( $url )
{
$url = str_replace( array ( "http://", "https://" ), "", $url );
$tmp = explode( "/", $url, 2 );
return "/" . $tmp[1];
}
private function _parseRawData ( $rawData )
{
$array = explode( "\r\n\r\n", $rawData, 2 );
$this->header_data = $array[0];
$this->content = $array[1];
$this->_parseHeaders( $array[0] );
}
private function _parseHeaders ( $rawHeaders )
{
$rawHeaders = trim( $rawHeaders );
$headers = explode( "\r\n", $rawHeaders );
foreach ( $headers as $header ) {
if ( preg_match( "|http/1\.. (\d+)|i", $header, $match ) ) {
$this->status_code = $match[1];
continue;
}
$headerArray = explode( ":", $header );
$headerName = trim( $headerArray[0] );
$headerValue = trim( $headerArray[1] );
if ( preg_match( "|set-cookie2?|i", $headerName ) ) $this->cookies->add( $headerValue );
if ( isset( $headerName ) ) $this->headers[strtolower( $headerName )] = $headerValue;
}
if ( isset( $this->headers["location"] ) ) {
$this->url = $this->headers["location"];
$this->exec();
}
}
public function setopt ( $name, $value = false )
{
switch ( $name ) {
case CURLOPT_URL :
$this->url = $value;
$this->proxy["port"] = substr( $this->url, 0, 5 ) === 'https' ? 443 : 80;
break;
case CURLOPT_USERAGENT :
$this->user_agent = $value;
break;
case CURLOPT_POST :
$this->method = ($value == true) ? "POST" : "GET";
break;
case CURLOPT_POSTFIELDS :
$this->post_data = $value;
break;
case CURLOPT_RETURNTRANSFER :
$this->return_result = ($value == true);
break;
case CURLOPT_REFERER :
$this->referrer = $value;
break;
case CURLOPT_HEADER :
$this->options["header"] = ($value == true);
break;
case CURLOPT_PROXY :
list ( $this->proxy["host"], $this->proxy["port"] ) = explode( ":", $value );
break;
case CURLOPT_CONNECTTIMEOUT : /* Fall through. */
case CURLOPT_TIMEOUT :
$this->timeout = ($value >= 0) ? $value : 30;
break;
case CURLOPT_PORT :
$this->proxy["port"] = $value ? $value : (substr( $this->url, 0, 5 ) === 'https' ? 443 : 80);
break;
case CURLOPT_HTTPHEADER :
$this->httpHeader = substr( implode( ";", $value ), 0, - 1 );
break;
}
}
public function setoptArray ( $options )
{
foreach ( $options as $name => $value )
$this->setopt( $name, $value );
}
public function exec ()
{
$errno = false;
$errstr = false;
$url = $this->url;
$host = $this->getHost( $url );
$query = $this->getQuery( $url );
$this->proxy["host"] = $host;
if ( isset( $this->proxy["port"] ) ) {
$this->proxy["host"] = (443 === $this->proxy["port"]) ? "ssl://$host" : $host;
$fp = pfsockopen( $this->proxy["host"], $this->proxy["port"], $errno, $errstr, $this->timeout );
$request = $query;
} else {
$fp = pfsockopen( $host, 80, $errno, $errstr, $this->timeout );
$request = $query;
}
if ( ! $fp ) { /*trigger_error($errstr, E_WARNING);*/ $this->error = 1;
return;
}
$headers = $this->method . " $request HTTP/1.0 \r\nHost: $host \r\n";
if ( $this->user_agent ) $headers .= "User-Agent: " . $this->user_agent . "\r\n";
if ( $this->referrer ) $headers .= "Referer: " . $this->referrer . "\r\n";
if ( $this->method == "POST" ) {
$headers .= "Content-Type: " . $this->httpHeader . "\r\n";
$headers .= "Content-Length: " . strlen( $this->post_data ) . "\r\n";
}
if ( $this->cookies_on ) $headers .= $this->cookies->createHeader();
$headers .= "Connection: Close\r\n\r\n";
if ( "POST" == $this->method ) $headers .= $this->post_data;
$headers .= "\r\n\r\n";
fwrite( $fp, $headers );
$rawData = "";
while ( ! feof( $fp ) )
$rawData .= fread( $fp, 512 );
/* fclose($fp); /* Too lazy to read the docs.*/
$this->info['total_time'] = time() - $this->info['total_time'];
$this->_parseRawData( $rawData );
if ( $this->options["header"] ) $this->content = $rawData;
if ( $this->return_result ) return $this->content;
echo $this->content;
}
}
class Cookies {
private $cookies;
function __construct ()
{}
function __destruct ()
{}
public function add ( $cookie )
{
list ( $data, $etc ) = explode( ";", $cookie, 2 );
list ( $name, $value ) = explode( "=", $data );
$this->cookies[trim( $name )] = trim( $value );
}
public function createHeader ()
{
if ( 0 == count( $this->cookies ) || ! is_array( $this->cookies ) ) return "";
$output = "";
foreach ( $this->cookies as $name => $value )
$output .= "$name=$value; ";
return "Cookies: $output\r\n";
}
}
class Misc {
const SUCCESS = 1;
const FAILURE = 0;
public static function get_hash ( $params, $salt )
{
$posted = array ();
if ( ! empty( $params ) ) foreach ( $params as $key => $value )
$posted[$key] = htmlentities( $value, ENT_QUOTES );
$hash_sequence = "key|txnid|amount|productinfo|firstname|email|udf1|udf2|udf3|udf4|udf5|udf6|udf7|udf8|udf9|udf10";
$hash_vars_seq = explode( '|', $hash_sequence );
$hash_string = null;
foreach ( $hash_vars_seq as $hash_var ) {
$hash_string .= isset( $posted[$hash_var] ) ? $posted[$hash_var] : '';
$hash_string .= '|';
}
$hash_string .= $salt;
return strtolower( hash( 'sha512', $hash_string ) );
}
public static function reverse_hash ( $params, $salt, $status )
{
$posted = array ();
$hash_string = null;
if ( ! empty( $params ) ) foreach ( $params as $key => $value )
$posted[$key] = htmlentities( $value, ENT_QUOTES );
$additional_hash_sequence = 'base_merchantid|base_payuid|miles|additional_charges';
$hash_vars_seq = explode( '|', $additional_hash_sequence );
foreach ( $hash_vars_seq as $hash_var )
$hash_string .= isset( $posted[$hash_var] ) ? $posted[$hash_var] . '|' : '';
$hash_sequence = "udf10|udf9|udf8|udf7|udf6|udf5|udf4|udf3|udf2|udf1|email|firstname|productinfo|amount|txnid|key";
$hash_vars_seq = explode( '|', $hash_sequence );
$hash_string .= $salt . '|' . $status;
foreach ( $hash_vars_seq as $hash_var ) {
$hash_string .= '|';
$hash_string .= isset( $posted[$hash_var] ) ? $posted[$hash_var] : '';
}
return strtolower( hash( 'sha512', $hash_string ) );
}
public static function curl_call ( $url, $data )
{
$ch = curl_init();
curl_setopt_array( $ch, array (
CURLOPT_URL => $url,
CURLOPT_POSTFIELDS => $data,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_POST => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_USERAGENT => 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36',
CURLOPT_SSL_VERIFYHOST => 0,
CURLOPT_SSL_VERIFYPEER => 0 ) );
$o = curl_exec( $ch );
if ( curl_errno( $ch ) ) {
$c_error = curl_error( $ch );
if ( empty( $c_error ) ) $c_error = 'Server Error';
return array ( 'curl_status' => Misc::FAILURE, 'error' => $c_error );
}
$o = trim( $o );
return array ( 'curl_status' => Misc::SUCCESS, 'result' => $o );
}
public static function show_page ( $result )
{
if ( $result['status'] === Misc::SUCCESS )
header( 'Location:' . $result['data'] );
else
throw new Exception( $result['data'] );
}
public static function show_reponse ( $result )
{
if ( $result['status'] === Misc::SUCCESS )
$result['data']();
else
return $result['data'];
}
}
class Payment {
private $url;
private $salt;
private $params = array ();
public function __construct ( $salt, $env = 'test' )
{
$this->salt = $salt;
switch ( $env ) {
case 'test' :
$this->url = 'https://test.payu.in/';
break;
case 'prod' :
$this->url = 'https://secure.payu.in/';
break;
default :
$this->url = 'https://test.payu.in/';
}
}
public function __destruct ()
{
unset( $this->url );
unset( $this->salt );
unset( $this->params );
}
public function __set ( $key, $value )
{
$this->params[$key] = $value;
}
public function __get ( $key )
{
return $this->params[$key];
}
public function pay ( $params = null )
{
if ( is_array( $params ) ) foreach ( $params as $key => $value )
$this->params[$key] = $value;
$error = $this->check_params();
if ( $error === true ) {
$this->params['hash'] = Misc::get_hash( $this->params, $this->salt );
$result = Misc::curl_call( $this->url . '_payment?type=merchant_txn', http_build_query( $this->params ) );
$transaction_id = ($result['curl_status'] === Misc::SUCCESS) ? $result['result'] : null;
if ( empty( $transaction_id ) ) return array (
'status' => Misc::FAILURE,
'data' => $result['error'] );
return array (
'status' => Misc::SUCCESS,
'data' => $this->url . '_payment_options?mihpayid=' . $transaction_id );
} else {
return array ( 'status' => Misc::FAILURE, 'data' => $error );
}
}
private function check_params ()
{
if ( empty( $this->params['key'] ) ) return $this->error( 'key' );
if ( empty( $this->params['txnid'] ) ) return $this->error( 'txnid' );
if ( empty( $this->params['amount'] ) ) return $this->error( 'amount' );
if ( empty( $this->params['firstname'] ) ) return $this->error( 'firstname' );
if ( empty( $this->params['email'] ) ) return $this->error( 'email' );
if ( empty( $this->params['phone'] ) ) return $this->error( 'phone' );
if ( empty( $this->params['productinfo'] ) ) return $this->error( 'productinfo' );
if ( empty( $this->params['surl'] ) ) return $this->error( 'surl' );
if ( empty( $this->params['furl'] ) ) return $this->error( 'furl' );
return true;
}
private function error ( $key )
{
return 'Mandatory parameter ' . $key . ' is empty';
}
}
class Response {
private $salt;
private $params = array ();
public function __construct ( $salt )
{
$this->salt = $salt;
}
public function __destruct ()
{
unset( $this->salt );
unset( $this->params );
}
public function __set ( $key, $value )
{
$this->params[$key] = $value;
}
public function __get ( $key )
{
return $this->params[$key];
}
public function get_response ( $params = null )
{
$this->params = (is_array( $params ) && count( $params )) ? $params : $_POST;
$error = $this->check_params();
if ( $error === true ) {
if ( Misc::reverse_hash( $this->params, $this->salt, $this->params['status'] ) === $this->params['hash'] ) {
switch ( $this->params['status'] ) {
case 'success' :
return array (
'status' => Misc::SUCCESS,
'data' => $this->params['surl'] );
break;
case 'failure' :
return array (
'status' => Misc::SUCCESS,
'data' => $this->params['furl'] );
break;
default :
return array (
'status' => Misc::FAILURE,
'data' => 'Unmapped status' );
}
} else {
return array (
'status' => Misc::FAILURE,
'data' => 'Hash Mismatch' );
}
} else {
return array ( 'status' => Misc::FAILURE, 'data' => $error );
}
}
private function check_params ()
{
if ( empty( $this->params['key'] ) ) return $this->error( 'key' );
if ( empty( $this->params['txnid'] ) ) return $this->error( 'txnid' );
if ( empty( $this->params['amount'] ) ) return $this->error( 'amount' );
if ( empty( $this->params['firstname'] ) ) return $this->error( 'firstname' );
if ( empty( $this->params['email'] ) ) return $this->error( 'email' );
if ( empty( $this->params['phone'] ) ) return $this->error( 'phone' );
if ( empty( $this->params['productinfo'] ) ) return $this->error( 'productinfo' );
if ( empty( $this->params['surl'] ) ) return $this->error( 'surl' );
if ( empty( $this->params['furl'] ) ) return $this->error( 'furl' );
return true;
}
private function error ( $key )
{
return 'Mandatory parameter ' . $key . ' is empty';
}
}
$txnid = uniqid();
$response = pay_page( array ('key' => 'tradus', 'txnid' => uniqid( 'animesh_' ), 'amount' => rand( 0, 100 ),'firstname' => 'animesh', 'email' => '[email protected]', 'phone' => '1234567890','productinfo' => 'This is shit', 'surl' => 'payment_success', 'furl' => 'payment_failure'), '200' );
?>
