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Xbase++

Global Payments Card Authorization

See more Global Payments Examples

Demonstrates how to send a card payments authorization request.

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LOCAL nSuccess
LOCAL oHttp
LOCAL cTestUrl
LOCAL cClientID
LOCAL cSharedSecret
LOCAL cAmount
LOCAL cCurrency
LOCAL cCardNumber
LOCAL oDt
LOCAL cDtStr
LOCAL oPrng
LOCAL cOrderId
LOCAL oCrypt
LOCAL oSbA
LOCAL nNumReplaced
LOCAL cHashA
LOCAL oSbB
LOCAL cHashB
LOCAL oXml
LOCAL oResp
LOCAL nResult

nSuccess := 0

//  This example requires the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

oHttp := CreateObject("Chilkat.Http")

//  if you don't have a Client ID yet you can still quickly test some basic request types using the following URL and credentials:

//  Test URL - https://test.realexpayments.com/epage-remote.cgi
//  Client ID: realexsandbox
//  Shared Secret: Po8lRRT67a
cTestUrl := "https://test.realexpayments.com/epage-remote.cgi"
cClientID := "realexsandbox"
cSharedSecret := "Po8lRRT67a"

cAmount := "1001"
cCurrency := "EUR"
cCardNumber := "4263970000005262"

//  We'll be sending the following XML in the body of the request:

//  <?xml version="1.0" encoding="UTF-8"?>
//  <request type="auth" timestamp="20180613141207">
//    <merchantid>MerchantId</merchantid>
//    <account>internet</account>
//    <channel>ECOM</channel>
//    <orderid>N6qsk4kYRZihmPrTXWYS6g</orderid>
//    <amount currency="EUR">1001</amount>
//    <card>
//      <number>4263970000005262</number>
//      <expdate>0425</expdate>
//      <chname>James Mason</chname>
//      <type>VISA</type>
//      <cvn>
//        <number>123</number>
//        <presind>1</presind>
//      </cvn>
//    </card>
//    <autosettle flag="1"/>
//    <sha1hash>87707637a34ba651b6185718c863abc64b673f20</sha1hash>
//  </request>

//  Use this online tool to generate code from sample XML: 
//  Generate Code to Create XML

//  Get the current date/time in this format:  20180613141207
oDt := CreateObject("Chilkat.CkDateTime")
oDt:SetFromCurrentSystemTime()
cDtStr := oDt:GetAsIso8601("YYYYMMDDhhmmss", 1)

//  Generate a unique order ID
oPrng := CreateObject("Chilkat.Prng")
cOrderId := oPrng:GenRandom(32, "base64url")

//  Compute the sha1hash
oCrypt := CreateObject("Chilkat.Crypt2")
oCrypt:HashAlgorithm := "sha1"
oCrypt:EncodingMode := "hexlower"

oSbA := CreateObject("Chilkat.StringBuilder")
oSbA:Append("timestamp.merchantid.orderid.amount.currency.cardnumber")
nNumReplaced := oSbA:Replace("timestamp", cDtStr)
nNumReplaced := oSbA:Replace("merchantid", cClientID)
nNumReplaced := oSbA:Replace("orderid", cOrderId)
nNumReplaced := oSbA:Replace("amount", cAmount)
nNumReplaced := oSbA:Replace("currency", cCurrency)
nNumReplaced := oSbA:Replace("cardnumber", cCardNumber)

cHashA := oCrypt:HashStringENC(oSbA:GetAsString())

oSbB := CreateObject("Chilkat.StringBuilder")
oSbB:Append(cHashA)
oSbB:Append(".")
oSbB:Append(cSharedSecret)

cHashB := oCrypt:HashStringENC(oSbB:GetAsString())

oXml := CreateObject("Chilkat.Xml")
oXml:Tag := "request"
oXml:AddAttribute("type", "auth")
oXml:AddAttribute("timestamp", cDtStr)
oXml:UpdateChildContent("merchantid", cClientID)
oXml:UpdateChildContent("account", "internet")
oXml:UpdateChildContent("channel", "ECOM")
oXml:UpdateChildContent("orderid", cOrderId)
oXml:UpdateAttrAt("amount", 1, "currency", cCurrency)
oXml:UpdateChildContent("amount", cAmount)
oXml:UpdateChildContent("card|number", cCardNumber)
oXml:UpdateChildContent("card|expdate", "0425")
oXml:UpdateChildContent("card|chname", "James Mason")
oXml:UpdateChildContent("card|type", "VISA")
oXml:UpdateChildContent("card|cvn|number", "123")
oXml:UpdateChildContent("card|cvn|presind", "1")
oXml:UpdateAttrAt("autosettle", 1, "flag", "1")
oXml:UpdateChildContent("sha1hash", cHashB)

oResp := CreateObject("Chilkat.HttpResponse")
nSuccess := oHttp:HttpStr("POST", cTestUrl, oXml:GetXml(), "utf-8", "application/xml", oResp)
IF (nSuccess == 0)
    ? oHttp:LastErrorText
    oHttp:destroy()
    oDt:destroy()
    oPrng:destroy()
    oCrypt:destroy()
    oSbA:destroy()
    oSbB:destroy()
    oXml:destroy()
    oResp:destroy()
    RETURN
ENDIF

? "Response Status Code: " + Str(oResp:StatusCode)

? "Response Body:"
? oResp:BodyStr

IF (oResp:StatusCode != 200)
    ? "Failed."
    oHttp:destroy()
    oDt:destroy()
    oPrng:destroy()
    oCrypt:destroy()
    oSbA:destroy()
    oSbB:destroy()
    oXml:destroy()
    oResp:destroy()
    RETURN
ENDIF

//  A status code of 200 indicates we received an XML response, but it could be an error message.
//  Here's an example of an error response:

//  <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
//  <response timestamp="20200418142356">
//      <orderid>N6qsk4kYRZihmPrTXWYS6g</orderid>
//      <result>508</result>
//      <message>Invalid timestamp: '{' Value exceeds allowable limit: '}'</message>
//  </response>

//  We need to check the "result" within the XML.
oXml:LoadXml(oResp:BodyStr)

nResult := oXml:GetChildIntValue("result")
? "result = " + Str(nResult)

//  A successful result looks like this:

//  <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
//  <response timestamp="20200418145519">
//      <merchantid>realexsandbox</merchantid>
//      <account>internet</account>
//      <orderid>Cw93I1nFWVZuaATh46qMUCBlCcfrOvLo65C2cq5X-AY</orderid>
//      <result>00</result>
//      <authcode>L3pHww</authcode>
//      <message>AUTH CODE: L3pHww</message>
//      <pasref>96838535689610806</pasref>
//      <cvnresult>M</cvnresult>
//      <timetaken>87</timetaken>
//      <authtimetaken>67</authtimetaken>
//      <batchid>6322506</batchid>
//      <sha1hash>2fd2f15f97f1775779fe9bda536dc8317a4b39f6</sha1hash>
//  </response>

IF (nResult == 0)
    ? "authcode = " + oXml:GetChildContent("authcode")
    ? "Success."

ELSE
    ? "Failed."
ENDIF

oHttp:destroy()
oDt:destroy()
oPrng:destroy()
oCrypt:destroy()
oSbA:destroy()
oSbB:destroy()
oXml:destroy()
oResp:destroy()