Chilkat Examples

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Swift 3,4,5... Web API Examples

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(Swift 3,4,5...) 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 Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

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

    let http = CkoHttp()!
    var success: Bool

    // 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
    var testUrl: String? = "https://test.realexpayments.com/epage-remote.cgi"
    var clientID: String? = "realexsandbox"
    var sharedSecret: String? = "Po8lRRT67a"

    var amount: String? = "1001"
    var currency: String? = "EUR"
    var cardNumber: String? = "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
    let dt = CkoDateTime()!
    dt.setFromCurrentSystemTime()
    var dtStr: String? = dt.getAsIso8601("YYYYMMDDhhmmss", bLocal: true)

    // Generate a unique order ID
    let prng = CkoPrng()!
    var orderId: String? = prng.genRandom(32, encoding: "base64url")

    // Compute the sha1hash
    let crypt = CkoCrypt2()!
    crypt.hashAlgorithm = "sha1"
    crypt.encodingMode = "hexlower"

    let sbA = CkoStringBuilder()!
    sbA.append("timestamp.merchantid.orderid.amount.currency.cardnumber")
    var numReplaced: Int = sbA.replace("timestamp", replacement: dtStr).intValue
    numReplaced = sbA.replace("merchantid", replacement: clientID).intValue
    numReplaced = sbA.replace("orderid", replacement: orderId).intValue
    numReplaced = sbA.replace("amount", replacement: amount).intValue
    numReplaced = sbA.replace("currency", replacement: currency).intValue
    numReplaced = sbA.replace("cardnumber", replacement: cardNumber).intValue

    var hashA: String? = crypt.hashStringENC(sbA.getAsString())

    let sbB = CkoStringBuilder()!
    sbB.append(hashA)
    sbB.append(".")
    sbB.append(sharedSecret)

    var hashB: String? = crypt.hashStringENC(sbB.getAsString())

    let xml = CkoXml()!
    xml.tag = "request"
    xml.addAttribute("type", value: "auth")
    xml.addAttribute("timestamp", value: dtStr)
    xml.updateChildContent("merchantid", value: clientID)
    xml.updateChildContent("account", value: "internet")
    xml.updateChildContent("channel", value: "ECOM")
    xml.updateChildContent("orderid", value: orderId)
    xml.updateAttr(at: "amount", autoCreate: true, attrName: "currency", attrValue: currency)
    xml.updateChildContent("amount", value: amount)
    xml.updateChildContent("card|number", value: cardNumber)
    xml.updateChildContent("card|expdate", value: "0425")
    xml.updateChildContent("card|chname", value: "James Mason")
    xml.updateChildContent("card|type", value: "VISA")
    xml.updateChildContent("card|cvn|number", value: "123")
    xml.updateChildContent("card|cvn|presind", value: "1")
    xml.updateAttr(at: "autosettle", autoCreate: true, attrName: "flag", attrValue: "1")
    xml.updateChildContent("sha1hash", value: hashB)

    var resp: CkoHttpResponse? = http.postXml(testUrl, xmlDoc: xml.getXml(), charset: "utf-8")
    if http.lastMethodSuccess == false {
        print("\(http.lastErrorText!)")
        return
    }

    print("Response Status Code: \(resp!.statusCode.intValue)")

    print("Response Body:")
    print("\(resp!.bodyStr!)")

    if resp!.statusCode.intValue != 200 {
        print("Failed.")
        return
    }

    // 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.
    xml.load(resp!.bodyStr)

    var result: Int = xml.getChildIntValue("result").intValue
    print("result = \(result)")

    // 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 result == 0 {
        print("authcode = \(xml.getChildContent("authcode")!)")
        print("Success.")

    }
    else {
        print("Failed.")
    }

    resp = nil

}

 

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