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Xojo Plugin

Create Signed SOAP XML for Albanian Fiscalization Service

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This example is created for a customer that needs to send signed billing/invoicing SOAP XML requests to http://efiskalizimi-test.tatime.gov.al:80/FiscalizationService

The example demonstrates how to create and signed the SOAP XML message that is to be sent.

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Dim success As Boolean
success = False

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

// --------------------------------------------------------------------------------
// Also see Chilkat's Online WSDL Code Generator
// to generate code and SOAP Request and Response XML for each operation in a WSDL.
// --------------------------------------------------------------------------------

// We want to build and send a signed SOAP XML that looks like the following:

// 
// <?xml version="1.0" encoding="utf-8"?>
// <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
//     <SOAP-ENV:Header/>
//     <SOAP-ENV:Body>
//         <RegisterWTNRequest xmlns="https://eFiskalizimi.tatime.gov.al/FiscalizationService/schema" xmlns:ns2="http://www.w3.org/2000/09/xmldsig#" Id="Request">
//             <Header SendDateTime="2019-09-03T14:19:01+02:00" UUID="42db3af5-0d9f-4dea-95b4-4b947ab8d8e7"/>
//             <WTN BusinUnit="bb123bb123" DateTimeCreated="2019-09-03T14:19:01+02:00" DestinAddr="Destination address" 
// 			DestinCity="Destination city" IsAfterDel="false" OperatorCode="oo123oo123" 
// 			SoftNum="ss123ss123" StartAddr="Start address" StartCity="Start city" TransDate="2019-09-03T14:19:01+02:00" 
// 			VehPlates="AA0000AA" WTNIC="5C5E58580D0A24E1F7A5E5E011929511" WTNICSignature="82D69C38206D ... F5FCA48" WTNNum="12345678901">
//                 <Issuer NUIS="I12345678I" Name="Issuer name"/>
//                 <Items>
//                     <I C="501234567890" N="Item name" Q="1.0" U="piece"/>
//                 </Items>
//             </WTN>
//             <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
//                 <SignedInfo>
//                     <CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
//                     <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
//                     <Reference URI="#Request">
//                         <Transforms>
//                             <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
//                             <Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
//                         </Transforms>
//                         <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
//                         <DigestValue>aNa0r4RW04BlsAciTUrWHGW9PADskl2op315BAQ0hTg=</DigestValue>
//                     </Reference>
//                 </SignedInfo>
//                 <SignatureValue>4/j/d4j/5xCJ2YUP+XTC6li0B94...........................KESd38NT5+puArBcNgLYIjLx/dh6Q==</SignatureValue>
//                 <KeyInfo>
//                     <X509Data>
//                         <X509Certificate>MIIE6TCCAtGgAwIBAgICEA8wDQYJKoZIhvcNA......................uoqWsSuLmA==</X509Certificate>
//                     </X509Data>
//                 </KeyInfo>
//             </Signature>
//         </RegisterWTNRequest>
//     </SOAP-ENV:Body>
// </SOAP-ENV:Envelope>

success = True
// Create the XML to be signed...
Dim xmlToSign As New Chilkat.Xml
xmlToSign.Tag = "SOAP-ENV:Envelope"
success = xmlToSign.AddAttribute("xmlns:SOAP-ENV","http://schemas.xmlsoap.org/soap/envelope/")
xmlToSign.UpdateChildContent "SOAP-ENV:Header",""
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest",True,"xmlns","https://eFiskalizimi.tatime.gov.al/FiscalizationService/schema")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest",True,"xmlns:ns2","http://www.w3.org/2000/09/xmldsig#")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest",True,"Id","Request")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|Header",True,"SendDateTime","2019-09-03T14:19:01+02:00")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|Header",True,"UUID","42db3af5-0d9f-4dea-95b4-4b947ab8d8e7")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"BusinUnit","bb123bb123")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"DateTimeCreated","2019-09-03T14:19:01+02:00")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"DestinAddr","Destination address")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"DestinCity","Destination city")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"IsAfterDel","false")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"OperatorCode","oo123oo123")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"SoftNum","ss123ss123")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"StartAddr","Start address")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"StartCity","Start city")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"TransDate","2019-09-03T14:19:01+02:00")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"VehPlates","AA0000AA")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"WTNIC","5C5E58580D0A24E1F7A5E5E011929511")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"WTNICSignature","82D69C38206D ... F5FCA48")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",True,"WTNNum","12345678901")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Issuer",True,"NUIS","I12345678I")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Issuer",True,"Name","Issuer name")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",True,"C","501234567890")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",True,"N","Item name")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",True,"Q","1.0")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",True,"U","piece")

Dim gen As New Chilkat.XmlDSigGen

gen.SigLocation = "SOAP-ENV:Envelope|SOAP-ENV:Body|RegisterWTNRequest"
gen.SigLocationMod = 0
gen.SigNamespacePrefix = ""
gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
gen.SignedInfoCanonAlg = "EXCL_C14N"
gen.SignedInfoDigestMethod = "sha256"

// -------- Reference 1 --------
success = gen.AddSameDocRef("Request","sha256","EXCL_C14N","","")

// Provide a certificate + private key. (PFX password is test123)
Dim cert As New Chilkat.Cert
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success = False) Then
    System.DebugLog(cert.LastErrorText)
    Return
End If

success = gen.SetX509Cert(cert,True)

gen.KeyInfoType = "X509Data"
gen.X509Type = "Certificate"

// Load XML to be signed...
Dim sbXml As New Chilkat.StringBuilder
success = xmlToSign.GetXmlSb(sbXml)

gen.Behaviors = "CompactSignedXml,ForceAddEnvelopedSignatureTransform"

// Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
If (success = False) Then
    System.DebugLog(gen.LastErrorText)
    Return
End If

// -----------------------------------------------
// Now to send the SOAP request....

// Note: Chilkat did not actually test this by sending the request to the server.
// The example is a best-guess for how to do it...

Dim strXml As String
strXml = sbXml.GetAsString()

Dim responseStatusCode As Int32

// We'll need to add this in the HTTP header:
// SOAPAction: "https://eFiskalizimi.tatime.gov.al/FiscalizationService/RegisterWTN"

// Note: This is for the RegisterWTN request.

// You may wish to load the WSDL at https://efiskalizimi-test.tatime.gov.al/FiscalizationService-v1/FiscalizationService.wsdl into the SoapUI application to see 
// the SOAP requests..
Dim http As New Chilkat.Http
http.SetRequestHeader "SOAPAction","https://eFiskalizimi.tatime.gov.al/FiscalizationService/RegisterWTN"

// The testing endpoint for this soap service is likely:
Dim endPoint As String
endPoint = "https://efiskalizimi-test.tatime.gov.al/FiscalizationService-v1"

Dim resp As New Chilkat.HttpResponse
success = http.HttpStr("POST",endPoint,strXml,"utf-8","text/xml",resp)
If (success = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

responseStatusCode = resp.StatusCode

// Check that the responseStatusCode equals 200...
System.DebugLog("Response Status Code: " + Str(responseStatusCode))

// Examine the exact HTTP header sent with the POST like this:
System.DebugLog("LastHeader:")
System.DebugLog(http.LastHeader)

// Examine the XML returned by the web service:
System.DebugLog("XML Response:")
Dim xmlResp As New Chilkat.Xml
success = xmlResp.LoadXml(resp.BodyStr)
System.DebugLog(xmlResp.GetXml())

// Use this online tool to generate parsing code from response XML: 
// Generate Parsing Code from XML