(DataFlex) Global Payments Card Authorization

Demonstrates how to send a card payments authorization request.

For more information, see https://developer.globalpay.com/#!/api/card-payments#api-authorisation

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoHttp
    Boolean iSuccess
    String sTestUrl
    String sClientID
    String sSharedSecret
    String sAmount
    String sCurrency
    String sCardNumber
    Handle hoDt
    String sDtStr
    Handle hoPrng
    String sOrderId
    Handle hoCrypt
    Handle hoSbA
    Integer iNumReplaced
    String sHashA
    Handle hoSbB
    String sHashB
    Handle hoXml
    Variant vResp
    Handle hoResp
    Integer iResult
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // 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
    Move "https://test.realexpayments.com/epage-remote.cgi" To sTestUrl
    Move "realexsandbox" To sClientID
    Move "Po8lRRT67a" To sSharedSecret

    Move "1001" To sAmount
    Move "EUR" To sCurrency
    Move "4263970000005262" To sCardNumber

    // 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
    Get Create (RefClass(cComCkDateTime)) To hoDt
    If (Not(IsComObjectCreated(hoDt))) Begin
        Send CreateComObject of hoDt
    End
    Get ComSetFromCurrentSystemTime Of hoDt To iSuccess
    Get ComGetAsIso8601 Of hoDt "YYYYMMDDhhmmss" True To sDtStr

    // Generate a unique order ID
    Get Create (RefClass(cComChilkatPrng)) To hoPrng
    If (Not(IsComObjectCreated(hoPrng))) Begin
        Send CreateComObject of hoPrng
    End
    Get ComGenRandom Of hoPrng 32 "base64url" To sOrderId

    // Compute the sha1hash
    Get Create (RefClass(cComChilkatCrypt2)) To hoCrypt
    If (Not(IsComObjectCreated(hoCrypt))) Begin
        Send CreateComObject of hoCrypt
    End
    Set ComHashAlgorithm Of hoCrypt To "sha1"
    Set ComEncodingMode Of hoCrypt To "hexlower"

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbA
    If (Not(IsComObjectCreated(hoSbA))) Begin
        Send CreateComObject of hoSbA
    End
    Get ComAppend Of hoSbA "timestamp.merchantid.orderid.amount.currency.cardnumber" To iSuccess
    Get ComReplace Of hoSbA "timestamp" sDtStr To iNumReplaced
    Get ComReplace Of hoSbA "merchantid" sClientID To iNumReplaced
    Get ComReplace Of hoSbA "orderid" sOrderId To iNumReplaced
    Get ComReplace Of hoSbA "amount" sAmount To iNumReplaced
    Get ComReplace Of hoSbA "currency" sCurrency To iNumReplaced
    Get ComReplace Of hoSbA "cardnumber" sCardNumber To iNumReplaced

    Get ComGetAsString Of hoSbA To sTemp1
    Get ComHashStringENC Of hoCrypt sTemp1 To sHashA

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbB
    If (Not(IsComObjectCreated(hoSbB))) Begin
        Send CreateComObject of hoSbB
    End
    Get ComAppend Of hoSbB sHashA To iSuccess
    Get ComAppend Of hoSbB "." To iSuccess
    Get ComAppend Of hoSbB sSharedSecret To iSuccess

    Get ComGetAsString Of hoSbB To sTemp1
    Get ComHashStringENC Of hoCrypt sTemp1 To sHashB

    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Set ComTag Of hoXml To "request"
    Get ComAddAttribute Of hoXml "type" "auth" To iSuccess
    Get ComAddAttribute Of hoXml "timestamp" sDtStr To iSuccess
    Send ComUpdateChildContent To hoXml "merchantid" sClientID
    Send ComUpdateChildContent To hoXml "account" "internet"
    Send ComUpdateChildContent To hoXml "channel" "ECOM"
    Send ComUpdateChildContent To hoXml "orderid" sOrderId
    Get ComUpdateAttrAt Of hoXml "amount" True "currency" sCurrency To iSuccess
    Send ComUpdateChildContent To hoXml "amount" sAmount
    Send ComUpdateChildContent To hoXml "card|number" sCardNumber
    Send ComUpdateChildContent To hoXml "card|expdate" "0425"
    Send ComUpdateChildContent To hoXml "card|chname" "James Mason"
    Send ComUpdateChildContent To hoXml "card|type" "VISA"
    Send ComUpdateChildContent To hoXml "card|cvn|number" "123"
    Send ComUpdateChildContent To hoXml "card|cvn|presind" "1"
    Get ComUpdateAttrAt Of hoXml "autosettle" True "flag" "1" To iSuccess
    Send ComUpdateChildContent To hoXml "sha1hash" sHashB

    Get ComGetXml Of hoXml To sTemp1
    Get ComPostXml Of hoHttp sTestUrl sTemp1 "utf-8" To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComStatusCode Of hoResp To iTemp1
    Showln "Response Status Code: " iTemp1

    Showln "Response Body:"
    Get ComBodyStr Of hoResp To sTemp1
    Showln sTemp1

    Get ComStatusCode Of hoResp To iTemp1
    If (iTemp1 <> 200) Begin
        Showln "Failed."
        Procedure_Return
    End

    // 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.
    Get ComBodyStr Of hoResp To sTemp1
    Get ComLoadXml Of hoXml sTemp1 To iSuccess

    Get ComGetChildIntValue Of hoXml "result" To iResult
    Showln "result = " iResult

    // 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 (iResult = 0) Begin
        Get ComGetChildContent Of hoXml "authcode" To sTemp1
        Showln "authcode = " sTemp1
        Showln "Success."

    End
    Else Begin
        Showln "Failed."
    End

    Send Destroy of hoResp


End_Procedure