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Cybercash 3.2 Class by Bob Bowker
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<?



    //=========================================================

    //

    //              class.cybercash.inc

    //

    //    Author:      Bob Bowker (bowker@iNetWebInc.com)

    //  Rights:   Free under GNU (if this header stays intact) 

    //    Update:      July 14, 2000                                

    //    Outline:  PHP3 Class to interface with CyberCash 3.x   

    //

    //  This is a consolidation of much work we have done in   

    //  the past, as well as portions of the functions by      

    //  Flint Doungchak (flint@netsolutionsllc.com) and        

    //  Patrick Shafer (pshafer@netsolutionsllc.com).          

    //                                                         

    //  Example Code to use this class is at the bottom.       

    //                                                         

    //=========================================================





class cybercash    {

    var $classname = "cybercash";



/////////////////////////////////////////////////////////////////////////////////////////////////

//

// This class will work assuming only that:

//    a. you have CyberCash 3.2 installed on the server

//    b. you have a CyberCash account (even one in Test mode)

//

// Only 2 variables must be hard-coded before using this class ... all other

// needed information (such as your Merchant Key and CCID) is gathered automatically



// 1. enter the full path to the directory which contains the MCK executable files

    // NOTE: the script must have permission to execute in this subdirectory,

    //         which contains the MCK executables "MCKencrypt" and "MCKdecrypt"

        // NOTE: make sure "MCKencrypt" and "MCKdecrypt" are themselves executable

    var $ccBaseDir = "/some/directory/name/or/other/mck-cgi/";            // conclude with "/"



// 2. enter a subdirectory to be used for temporary files

    // NOTE: the script must have permission to touch, chmod, read, write 

    //         and unlink in this subdirectory

    var $workBaseDir = "/some/directory/name/or/other/workFiles/";        // conclude with "/"



// OPTIONAL: enter an e-mail addresses here for the error-reporting function

    var $mailErrorsTo = "";



/////////////////////////////////////////////////////////////////////////////////////////////////



    // CyberCash-related variables

    var $MCKversion = "3.2.0.4";

    var $cybercashURL = "cr.cybercash.com";

    var $cybercashSCRIPT = "/cgi-bin/directcardpayment.cgi";

    var $merchant_key,$merchant_id,$response,$POP;

    var $MCKencrypt,$CRYPTcommand,$MCKdecrypt,$DECRYPTcommand;

    var    $encryptedFile0,$encryptedFile1,$decryptedFile0,$decryptedFile1;



    // individual order submission variables

    var $orderNum,$currency,$price,$amount,$address1,$address2;

    var $ccnum,$ccexp,$ccname,$ccaddress,$cccity,$ccstate,$cczip,$cccountry;



//////////////////////////////////////////////////

// Public functions

//////////////////////////////////////////////////



    function errorHandler($errroMsg) {

        $msg = "CyberCash Error ";

        $msg .= sprintf($this->orderNum?$this->orderNum:"(No Order Number)");

        $msg .= " " . date("H:i:s m/d/Y") . "\n\n";

        $msg .= "$errroMsg\n\n";

        if ($this->mailErrorsTo)    {mail($this->mailErrorsTo,"CyberCash Class Error",$msg,"X-Mailer: PHP/".phpversion());}

        else {echo $msg;}

        exit;

    }



    function send()    {

    // see if we have CyberCash installed here

        if (!$this->getCcAccountDetails())    {$this->errorHandler("Cannot verify local CyberCash installation");}



    // clean up the data we're going to send

        $this->ccname = ereg_replace(" ","+",$this->ccname);

        $this->ccaddress = ereg_replace(" ","+",sprintf($this->address2?$this->address1 . " " . $this->address2:$this->address1));

        $this->cccity = ereg_replace(" ","+",$this->cccity);

        $this->ccstate = ereg_replace(" ","+",$this->ccstate);

        $this->cczip = ereg_replace(" ","+",$this->cczip);

        $this->cccountry = ereg_replace(" ","+",$this->cccountry);

        $this->amount = $this->currency . "+" . $this->price;



    // initialize needed text files for this order

        $this->createWorkFiles();

        

    // generate the messages

        $cpi = $this->createCpiMessage();

        if (!$cpi)    {$this->errorHandler("createCpiMessage() Error");}



        $mo = $this->createMoMessage();

        if (!$mo)    {$this->errorHandler("createMoMessage() Error");}



        $msg = "CPI=$cpi&MO=$mo";

        $encMsgCreated = $this->createEncryptedMessage($msg);

        if (!$encMsgCreated)    {$this->errorHandler("createEncryptedMessage() Error");}

        

        $mac = $sessionkey = $encryptedmessage = "";

        $fd = fopen($this->encryptedFile1, "r");

            while ($buffer = fgets($fd, 4096)) {    // read the 3 lines into appropriate variables

                if (!$mac)                    {$mac = $buffer;}

                elseif (!$sessionkey)        {$sessionkey = $buffer;}

                elseif (!$encryptedmessage)    {$encryptedmessage = $buffer;}

            }

        fclose($fd);



        if (!($args = $this->createMacMessage($mac,$sessionkey,$encryptedmessage)))    {$this->errorHandler("createMacMessage() Error");}

        if (!($msg = $this->createArgsMessage($args)))                                {$this->errorHandler("createArgsMessage() Error");}



    // open the connection and send the request for authorization

        if (!($ccConnect = fsockopen($this->cybercashURL,80,&$errno,&$errstr)))     {$this->errorHandler("CyberCash connection failure: $errstr ($errno)");}

        else {

            fputs($ccConnect, $msg);

            while(!feof($ccConnect)) {

                for($i=1;$i<=9;$i++) {

                    if ($i==8)    {$this->response = fgets($ccConnect,4096);}

                    else         {fgets($ccConnect,1024);}

                }

            }

        }

        fclose($ccConnect);

        if (!$this->response)    {return 0;}        // calling code handles this problem



    // clean up key name for PHP

        $this->response = ereg_replace("session-key","sessionkey",urldecode(chop($this->response)));

        parse_str($this->response);                // dig out $sessionkey, $mac and $message

            $sessionkey = chop($sessionkey);

            $mac = ereg_replace(" ","+",chop($mac));

            $message = ereg_replace(" ","+",chop($message));



    // decrypt results into the text file

        $DECRYPTinFD = fopen($this->decryptedFile0, "w");

            fwrite($DECRYPTinFD,$this->merchant_key,strlen($this->merchant_key));

            fwrite($DECRYPTinFD,"\r\n",strlen("\r\n"));

            fwrite($DECRYPTinFD,$sessionkey,strlen($sessionkey));

            fwrite($DECRYPTinFD,"\r\n",strlen("\r\n"));

            fwrite($DECRYPTinFD,$mac,strlen($mac));

            fwrite($DECRYPTinFD,"\r\n",strlen("\r\n"));

            fwrite($DECRYPTinFD,$message,strlen($message));

            fwrite($DECRYPTinFD,"\r\n",strlen("\r\n"));

        fclose($DECRYPTinFD);

        exec($this->DECRYPTcommand);



    // get the decrypted results

        $fd = fopen($this->decryptedFile1, "r");

            while ($buffer = fgets($fd, 4096)) {

                if (!$ccres)    {$ccres = $buffer;}

                else            {$ccres .= $buffer;}

            }

        fclose($fd);

        

    // parse and clean up the results

        parse_str($ccres);

        $this->POP = ereg_replace("-code","code",$POP);

        $this->POP = ereg_replace("-id","id",$this->POP);

        $this->POP = ereg_replace("pop.error-message","errormessage",$this->POP);

        $this->POP = ereg_replace("pop.order-valid-till","",$this->POP);

        $this->POP = ereg_replace("pop.sale-date","saledate",$this->POP);

        $this->POP = ereg_replace("pop.product-descr","productdescr",$this->POP);



        return 1;

    }



//////////////////////////////////////////////////

// Private functions

//////////////////////////////////////////////////



    function getCcAccountDetails()    {

        $fd = fopen($this->ccBaseDir . "conf/merchant_conf", "r");

            while ($buffer = fgets($fd, 4096)) {

                switch (substr($buffer,0,12))    {

                    case ("CYBERCASH_ID"):

                        $this->merchant_id = substr($buffer,15,strlen($buffer)-15);

                        $this->merchant_id = ereg_replace("[\n]","",$this->merchant_id);

                        break;

                    case ("MERCHANT_KEY"):

                        $this->merchant_key = substr($buffer,15,strlen($buffer)-15);

                        $this->merchant_key = ereg_replace("[^0-9a-zA-Z]","",$this->merchant_key);

                        break;

                }

            }

        fclose($fd);

        if ($this->merchant_id && $this->merchant_key)    {return 1;}

        else                                            {return 0;}

    }



    function createCpiMessage() {

    // check that we have all the data

        if (!$this->ccnum)        {$this->errorHandler("createCpiMessage Error - No ccnum");return 0;}

        if (!$this->ccexp)        {$this->errorHandler("createCpiMessage Error - No ccexp");return 0;}

        if (!$this->ccname)        {$this->errorHandler("createCpiMessage Error - No ccname");return 0;}

        if (!$this->ccaddress)    {$this->errorHandler("createCpiMessage Error - No ccaddress");return 0;}

        if (!$this->cccity)        {$this->errorHandler("createCpiMessage Error - No cccity");return 0;}

        if (!$this->ccstate)    {$this->errorHandler("createCpiMessage Error - No ccstate");return 0;}

        if (!$this->cczip)        {$this->errorHandler("createCpiMessage Error - No cczip");return 0;}

        if (!$this->cccountry)    {$this->errorHandler("createCpiMessage Error - No cccountry");return 0;}



    // prepare string

        $ret = "cpi.card-number=" . $this->ccnum;

        $ret .= "&cpi.card-exp=" . $this->ccexp;

        $ret .= "&cpi.card-name=" . $this->ccname;

        $ret .= "&cpi.card-address=" . $this->ccaddress;

        $ret .= "&cpi.card-city=" . $this->cccity;

        $ret .= "&cpi.card-state=" . $this->ccstate;

        $ret .= "&cpi.card-zip=" . $this->cczip;

        $ret .= "&cpi.card-country=" . $this->cccountry;

        $ret = rawurlencode($ret);

        return($ret);

    }



    function createMoMessage() {

    // check that we have all the data

        if (!$this->orderNum)        {$this->errorHandler("createMoMessage Error - No orderNum");return 0;}

        if (!$this->amount)            {$this->errorHandler("createMoMessage Error - No amount");return 0;}

    // prepare string

        $ret = "mo.cybercash-id=" . $this->merchant_id;

        $ret .= "&mo.version=" . $this->MCKversion;

        $ret .= "&mo.signed-cpi=no";

        $ret .= "&mo.order-id=" . $this->orderNum;

        $ret .= "&mo.price=" . $this->amount;

        $ret .= "&mo.product-descr=%OA";

        $ret = rawurlencode($ret);

        return($ret);

    }



    function createEncryptedMessage($msg) {

    // check that we have all the data

        if (!$msg)    {$this->errorHandler("createEncryptedMessage Error - No msg");return 0;}

    // store the string in the text file

        $CRYPTinFD = fopen($this->encryptedFile0, "w");

            fwrite($CRYPTinFD,$this->merchant_key,strlen($this->merchant_key));

            fwrite($CRYPTinFD,"\r\n",strlen("\r\n"));

            fwrite($CRYPTinFD,$msg,strlen($msg));

            fwrite($CRYPTinFD,"\r\n",strlen("\r\n"));

        fclose($CRYPTinFD);

    // encrypt the stored string

        exec($this->CRYPTcommand);

        return 1;

    }



    function createMacMessage($mac,$sessionkey,$encryptedmsg) {

    // check that we have all the data

        if (!$mac)            {$this->errorHandler("createMacMessage Error - No mac");return 0;}

        if (!$sessionkey)    {$this->errorHandler("createMacMessage Error - No sessionkey");return 0;}

        if (!$encryptedmsg)    {$this->errorHandler("createMacMessage Error - No encryptedmsg");return 0;}

    // clean it up

        $mac=rawurlencode(chop($mac));

        $encryptedmessage=rawurlencode(chop($encryptedmsg));

        $sessionkey=ereg_replace("%20","+",rawurlencode(chop($sessionkey)));

        return "mac=$mac&session-key=$sessionkey&message=$encryptedmessage";

    }



    function createArgsMessage($args)    {

        $ret = "POST " . $this->cybercashSCRIPT . "/" . $this->merchant_id . " HTTP/1.0\n";

        $ret .= "User-Agent: CCMCK-" . $this->MCKversion . "\n";

        $ret .= "Content-type: application/x-www-form-urlencoded\n";

        $ret .= "Content-length: " . strlen($args) . "\n";

        $ret .= "\n";

        $ret .= "$args";

        return $ret;

    }



    function createWorkFiles()    {

    // initialize 4 text files needed for encrypt/decrypt on this order

        $this->encryptedFile0 = $this->workBaseDir . "msg0E-" . $this->orderNum . ".txt";

            touch($this->encryptedFile0);

            chmod($this->encryptedFile0,0777);

        $this->encryptedFile1 = $this->workBaseDir . "msg1E-" . $this->orderNum . ".txt";

            touch($this->encryptedFile1);

            chmod($this->encryptedFile1,0777);

        $this->decryptedFile0 = $this->workBaseDir . "msg0D-" . $this->orderNum . ".txt";

            touch($this->decryptedFile0);

            chmod($this->decryptedFile0,0777);

        $this->decryptedFile1 = $this->workBaseDir . "msg1D-" . $this->orderNum . ".txt";

            touch($this->decryptedFile1);

            chmod($this->decryptedFile1,0777);

            

        $this->MCKencrypt = $this->ccBaseDir . "MCKencrypt";

        $this->MCKdecrypt = $this->ccBaseDir . "MCKdecrypt";

        $this->CRYPTcommand = $this->MCKencrypt . " -f " . $this->encryptedFile0 . " > " . $this->encryptedFile1;

        $this->DECRYPTcommand = $this->MCKdecrypt . " -f " . $this->decryptedFile0 . " > " . $this->decryptedFile1;



    }



    function deleteWorkFiles()    {

    // delete 4 text files used for this order

        unlink ($this->encryptedFile0);

        unlink ($this->encryptedFile1);

        unlink ($this->decryptedFile0);

        unlink ($this->decryptedFile1);

    }



};    // end class



?>



<?PHP



    //=========================================================

    //                                                         

    //              ccTester.php3

    //

    //    Author:      Bob Bowker (Bowker@iNetWebInc.com)           

    //    Client:      Demo script for class.cybercashREB.inc       

    //    Update:      July 13, 2000                                

    //    Outline:  demo frontend for CyberCash 3.x Class        

    //

    //=========================================================





// initialize class

    require("class.cybercash3.inc");

    $cybercash = new cybercash;



// initialize class variables for this order

    $cybercash->orderNum = "0713123451";

    $cybercash->currency = "usd";

    $cybercash->price = "199.95";

    $cybercash->ccnum = "4111111111111111";

    $cybercash->ccexp = "04/03";

    $cybercash->ccname = "Robert Bowker";

    $cybercash->address1 = "123 Maple Drive";

    $cybercash->address2 = "";

    $cybercash->cccity = "Anytown";

    $cybercash->ccstate = "CA";

    $cybercash->cczip = "91234";

    $cybercash->cccountry = "USA";

    

// submit the charge to CyberCash and parse out the return data

    if (!$cybercash->send())    {$cybercash->errorHandler("Error: no data recieved back from CyberCash");}

    $POP = $cybercash->POP;

    parse_str(ereg_replace("pop.","",$POP));



// here's where you handle the returned information ... 

//    this demo code displays the results, giving you the names of the

//    variables which contain the data returned by CyberCash

?>

    <TABLE align=CENTER border=1>

    <TR bgcolor="<? echo $errorcode?"red":($status=="success-duplicate"?"gold":"blue") ?>">

        <TH colspan=3><font face="Verdana,Arial" color="<? echo $status=="success-duplicate"?"black":"white" ?>" size=3><b>CYBERCASH RESPONSE</TH></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>ORDERID</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$orderid</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $orderid ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>SALEDATE</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$saledate</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $saledate ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>ACTION CODE</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$actioncode</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $actioncode ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>STATUS</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$status</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $status ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>ERROR NUMBER</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$errorcode</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $errorcode ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>ERROR MSG</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$errormessage</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $errormessage ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>AMOUNT CHARGED</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$price</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $price ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>AUTH CODE</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$authcode</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $authcode ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>AVS</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$avscode</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $avscode ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>TRANSACTION</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$txnid</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $txnid ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>REF</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$refcode</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $refcode ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>ORDER VALID UNTIL</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$ordervalidtill</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $ordervalidtill ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>YOUR CCID</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$cybercashid</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $cybercashid ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>SIGNATURE</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$sign</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $sign ?></TD></TR>

    <TR bgcolor="white">

        <TD><font face="Verdana,Arial" color="black" size=2><b>PROD DESCR</TD>

        <TD><font face="Verdana,Arial" color="blue" size=2><b>\$productdescr</TD>

        <TD><font face="Verdana,Arial" color="black" size=2><b><? echo "&nbsp;" . $productdescr ?></TD></TR>

    </TABLE>



<?



// clean up after ourselves

    $cybercash->deleteWorkFiles();

    exit;



?>
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PX : code

Cybercash 3.2 Class by Bob BowkerDownload this code

Cybercash 3.2 Class by Bob Bowker
Download this code
