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(Visual Basic 6.0) Create Signed SOAP XML for Albanian Fiscalization Service

Important: This example requires Chilkat v9.5.0.80 or greater.

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.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

' 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>

Dim success As Long
success = 1
' Create the XML to be signed...
Dim xmlToSign As New ChilkatXml
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",1,"xmlns","https://eFiskalizimi.tatime.gov.al/FiscalizationService/schema")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest",1,"xmlns:ns2","http://www.w3.org/2000/09/xmldsig#")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest",1,"Id","Request")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|Header",1,"SendDateTime","2019-09-03T14:19:01+02:00")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|Header",1,"UUID","42db3af5-0d9f-4dea-95b4-4b947ab8d8e7")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"BusinUnit","bb123bb123")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"DateTimeCreated","2019-09-03T14:19:01+02:00")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"DestinAddr","Destination address")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"DestinCity","Destination city")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"IsAfterDel","false")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"OperatorCode","oo123oo123")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"SoftNum","ss123ss123")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"StartAddr","Start address")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"StartCity","Start city")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"TransDate","2019-09-03T14:19:01+02:00")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"VehPlates","AA0000AA")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"WTNIC","5C5E58580D0A24E1F7A5E5E011929511")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"WTNICSignature","82D69C38206D ... F5FCA48")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",1,"WTNNum","12345678901")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Issuer",1,"NUIS","I12345678I")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Issuer",1,"Name","Issuer name")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",1,"C","501234567890")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",1,"N","Item name")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",1,"Q","1.0")
success = xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",1,"U","piece")

Dim gen As New ChilkatXmlDSigGen

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 ChilkatCert
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success <> 1) Then
    Debug.Print cert.LastErrorText
    Exit Sub
End If

success = gen.SetX509Cert(cert,1)

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

' Load XML to be signed...
Dim sbXml As New ChilkatStringBuilder
success = xmlToSign.GetXmlSb(sbXml)

gen.Behaviors = "CompactSignedXml,ForceAddEnvelopedSignatureTransform"

' Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
If (success <> 1) Then
    Debug.Print gen.LastErrorText
    Exit Sub
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 Long

' 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 ChilkatHttp
http.SetRequestHeader "SOAPAction","https://eFiskalizimi.tatime.gov.al/FiscalizationService/RegisterWTN"

' Some services expect the content-type in the HTTP header to be "application/xml" while
' other expect text/xml.  The default sent by Chilkat is "application/xml", but this web service
' likely expects "text/xml".  Therefore, change the content-type:
http.SetRequestHeader "Content-Type","text/xml; charset=utf-8"

' 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 ChilkatHttpResponse
Set resp = http.PostXml(endPoint,strXml,"utf-8")
If (http.LastMethodSuccess <> 1) Then
    Debug.Print http.LastErrorText
    Debug.Print "LastHeader:"
    Debug.Print http.LastHeader
    Exit Sub
End If

responseStatusCode = resp.StatusCode

' Check that the responseStatusCode equals 200...
Debug.Print "Response Status Code: " & responseStatusCode

' Examine the exact HTTP header sent with the POST like this:
Debug.Print "LastHeader:"
Debug.Print http.LastHeader

' Examine the XML returned by the web service:
Debug.Print "XML Response:"
Dim xmlResp As New ChilkatXml
success = xmlResp.LoadXml(resp.BodyStr)
Debug.Print xmlResp.GetXml()

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


 

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