(Swift 2) CardConnect Signature Capture

Demonstrates how to upload a BMP image of a handwritten signature.

This signature capture service augments an existing authorization record with the provided signature data. ...

See https://developer.cardconnect.com/cardconnect-api?lang=json#signature-capture

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let http = CkoHttp()
    var success: Bool

    http.BasicAuth = true
    http.Login = "API_USERNAME"
    http.Password = "API_PASSWORD"

    // Build and send the following JSON:

    // {
    //   "merchid": "MERCHANT_ID",
    //   "retref": "112989260941",
    //   "signature": "BASE64_GZIPPED_BMP_DATA"
    // }

    let json = CkoJsonObject()
    json.UpdateString("merchid", value: "MERCHANT_ID")
    json.UpdateString("retref", value: "106631225001")

    // Load the .bmp containing a 200px x 100px signature.
    let bd = CkoBinData()
    success = bd.LoadFile("qa_data/bmp/signature.bmp")
    // Gzip compress.
    let gzip = CkoGzip()
    success = gzip.CompressBd(bd)
    // Add to the JSON in base64 format
    json.UpdateString("signature", value: bd.GetEncoded("base64"))

    var url: String? = "https://<site>.cardconnect.com:<port>/cardconnect/rest/sigcap"
    var responseStr: String? = http.PutText(url, textData: json.Emit(), charset: "utf-8", contentType: "application/json", md5: false, gzip: false)
    if http.LastMethodSuccess == false {
        print("\(http.LastErrorText)")
        return
    }

    // A response status of 200 indicates potential success.  The JSON response body
    // must be examined to determine if it was truly successful or an error.
    print("response status code = \(http.LastStatus.intValue)")

    let jsonResp = CkoJsonObject()
    jsonResp.Load(responseStr)
    jsonResp.EmitCompact = false

    print("response JSON:")
    print("\(jsonResp.Emit())")

    // A successful response looks like this:

    // {
    //   "resptext": "signature stored",
    //   "retref": "106631225001",
    //   "respcode": "02",
    //   "merchid": "MERCHANT_ID"
    // }

}