(PowerBuilder) 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 ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Http
integer li_Success
oleobject loo_Json
oleobject loo_Bd
oleobject loo_Gzip
string ls_Url
string ls_ResponseStr
oleobject loo_JsonResp

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

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_Http.BasicAuth = 1
loo_Http.Login = "API_USERNAME"
loo_Http.Password = "API_PASSWORD"

// Build and send the following JSON:

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

loo_Json = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.UpdateString("merchid","MERCHANT_ID")
loo_Json.UpdateString("retref","106631225001")

// Load the .bmp containing a 200px x 100px signature.
loo_Bd = create oleobject
// Use "Chilkat_9_5_0.BinData" for versions of Chilkat < 10.0.0
li_rc = loo_Bd.ConnectToNewObject("Chilkat.BinData")

li_Success = loo_Bd.LoadFile("qa_data/bmp/signature.bmp")
// Gzip compress.
loo_Gzip = create oleobject
// Use "Chilkat_9_5_0.Gzip" for versions of Chilkat < 10.0.0
li_rc = loo_Gzip.ConnectToNewObject("Chilkat.Gzip")

li_Success = loo_Gzip.CompressBd(loo_Bd)
// Add to the JSON in base64 format
loo_Json.UpdateString("signature",loo_Bd.GetEncoded("base64"))

ls_Url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/sigcap"
ls_ResponseStr = loo_Http.PutText(ls_Url,loo_Json.Emit(),"utf-8","application/json",0,0)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_Json
    destroy loo_Bd
    destroy loo_Gzip
    return
end if

// 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.
Write-Debug "response status code = " + string(loo_Http.LastStatus)

loo_JsonResp = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonResp.ConnectToNewObject("Chilkat.JsonObject")

loo_JsonResp.Load(ls_ResponseStr)
loo_JsonResp.EmitCompact = 0

Write-Debug "response JSON:"
Write-Debug loo_JsonResp.Emit()

// A successful response looks like this:

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


destroy loo_Http
destroy loo_Json
destroy loo_Bd
destroy loo_Gzip
destroy loo_JsonResp