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(Excel) Create Signed SOAP XML for DIAN Colombia WCF Service

Demonstrates how to create a signed SOAP XML document for DIAN Colombia.

Download Excel Class Modules

Chilkat Excel Class Modules

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

' This example will produce a signed SOAP XML message that looks like this:

' <?xml version="1.0" encoding="utf-8"?>
' <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:wcf="http://wcf.dian.colombia">
'     <soap:Header xmlns:wsa="http://www.w3.org/2005/08/addressing">
'         <wsse:Security xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
'             <wsu:Timestamp wsu:Id="TS-F25839120CBA3ECDAD68754D0443A667636FDA68">
'                 <wsu:Created>2019-08-23T23:03:01Z</wsu:Created>
'                 <wsu:Expires>2019-08-24T15:43:01Z</wsu:Expires>
'             </wsu:Timestamp>
'             <wsse:BinarySecurityToken EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary" 
' 			ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3" 
' 			wsu:Id="ABCXYZ-9F0F7E15A59816E680B4735080A789DC1EED6C9C">MIIG8jCCBd ... zLjGQUB6lcz</wsse:BinarySecurityToken>
'             <ds:Signature Id="SIG-F25839120CBA3ECDAD68754D0443A667636FDA68" xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
'                 <ds:SignedInfo>
'                     <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
'                         <ec:InclusiveNamespaces PrefixList="wsa soap wcf" xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#"/>
'                     </ds:CanonicalizationMethod>
'                     <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
'                     <ds:Reference URI="#ID-F25839120CBA3ECDAD68754D0443A667636FDA68">
'                         <ds:Transforms>
'                             <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
'                                 <ec:InclusiveNamespaces PrefixList="soap wcf" xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#"/>
'                             </ds:Transform>
'                         </ds:Transforms>
'                         <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
'                         <ds:DigestValue>gSIKtjS/BKA2bgecXkM8lYVBDqlXcU3juNYT9a+bSnM=</ds:DigestValue>
'                     </ds:Reference>
'                 </ds:SignedInfo>
'                 <ds:SignatureValue>sL7rOdyfkEnKgJja0eWrv ... YqG0T0pflBsGW9zXkjQ9NvAw==</ds:SignatureValue>
'                 <ds:KeyInfo Id="KI-F25839120CBA3ECDAD68754D0443A667636FDA68">
'                     <wsse:SecurityTokenReference wsu:Id="STR-F25839120CBA3ECDAD68754D0443A667636FDA68">
'                         <wsse:Reference URI="#ABCXYZ-9F0F7E15A59816E680B4735080A789DC1EED6C9C" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3"/>
'                     </wsse:SecurityTokenReference>
'                 </ds:KeyInfo>
'             </ds:Signature>
'         </wsse:Security>
'         <wsa:Action>http://wcf.dian.colombia/IWcfDianCustomerServices/GetStatus</wsa:Action>
'         <wsa:To wsu:Id="ID-F25839120CBA3ECDAD68754D0443A667636FDA68" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">https://vpfe-hab.dian.gov.co/WcfDianCustomerServices.svc</wsa:To>
'     </soap:Header>
'     <soap:Body>
'         <wcf:GetStatus>
'             <wcf:trackId>123456666</wcf:trackId>
'         </wcf:GetStatus>
'     </soap:Body>
' </soap:Envelope>

' Use this online tool to generate code from sample Signed XML: 
' Generate Code to Create Signed XML


success = True
' Create the XML to be signed...
Dim xmlToSign As Chilkat.Xml
Set xmlToSign = Chilkat.NewXml
xmlToSign.Tag = "soap:Envelope"
Dim success As Boolean
success = xmlToSign.AddAttribute("xmlns:soap","http://www.w3.org/2003/05/soap-envelope")
success = xmlToSign.AddAttribute("xmlns:wcf","http://wcf.dian.colombia")
success = xmlToSign.UpdateAttrAt("soap:Header",True,"xmlns:wsa","http://www.w3.org/2005/08/addressing")
success = xmlToSign.UpdateAttrAt("soap:Header|wsse:Security",True,"xmlns:wsse","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd")
success = xmlToSign.UpdateAttrAt("soap:Header|wsse:Security",True,"xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd")
success = xmlToSign.UpdateAttrAt("soap:Header|wsse:Security|wsu:Timestamp",True,"wsu:Id","TS-F25839120CBA3ECDAD68754D0443A667636FDA68")
xmlToSign.UpdateChildContent "soap:Header|wsse:Security|wsu:Timestamp|wsu:Created","2019-08-23T23:03:01Z"
xmlToSign.UpdateChildContent "soap:Header|wsse:Security|wsu:Timestamp|wsu:Expires","2019-08-24T15:43:01Z"
success = xmlToSign.UpdateAttrAt("soap:Header|wsse:Security|wsse:BinarySecurityToken",True,"EncodingType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary")
success = xmlToSign.UpdateAttrAt("soap:Header|wsse:Security|wsse:BinarySecurityToken",True,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3")
success = xmlToSign.UpdateAttrAt("soap:Header|wsse:Security|wsse:BinarySecurityToken",True,"wsu:Id","ABCXYZ-9F0F7E15A59816E680B4735080A789DC1EED6C9C")
xmlToSign.UpdateChildContent "soap:Header|wsse:Security|wsse:BinarySecurityToken","BinarySecurityToken_Base64Binary_Content"
xmlToSign.UpdateChildContent "soap:Header|wsa:Action","http://wcf.dian.colombia/IWcfDianCustomerServices/GetStatus"
success = xmlToSign.UpdateAttrAt("soap:Header|wsa:To",True,"wsu:Id","ID-F25839120CBA3ECDAD68754D0443A667636FDA68")
success = xmlToSign.UpdateAttrAt("soap:Header|wsa:To",True,"xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd")
xmlToSign.UpdateChildContent "soap:Header|wsa:To","https://vpfe-hab.dian.gov.co/WcfDianCustomerServices.svc"
xmlToSign.UpdateChildContent "soap:Body|wcf:GetStatus|wcf:trackId","123456666"

Dim gen As Chilkat.XmlDSigGen
Set gen = Chilkat.NewXmlDSigGen

gen.SigLocation = "soap:Envelope|soap:Header|wsse:Security"
gen.SigLocationMod = 0
gen.SigId = "SIG-F25839120CBA3ECDAD68754D0443A667636FDA68"
gen.SigNamespacePrefix = "ds"
gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
gen.SignedInfoCanonAlg = "EXCL_C14N"
gen.SignedInfoDigestMethod = "sha256"

' Set the KeyInfoId before adding references..
gen.KeyInfoId = "KI-F25839120CBA3ECDAD68754D0443A667636FDA68"

' -------- Reference 1 --------
success = gen.AddSameDocRef("ID-F25839120CBA3ECDAD68754D0443A667636FDA68","sha256","EXCL_C14N","soap wcf","")

' Provide a certificate + private key. (PFX password is test123)
Dim cert As Chilkat.Cert
Set cert = Chilkat.NewCert
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success <> True) Then
    Debug.Print cert.LastErrorText
    Exit Sub
End If

success = gen.SetX509Cert(cert,True)

gen.KeyInfoType = "Custom"

' Create the custom KeyInfo XML..
Dim xmlCustomKeyInfo As Chilkat.Xml
Set xmlCustomKeyInfo = Chilkat.NewXml
xmlCustomKeyInfo.Tag = "wsse:SecurityTokenReference"
success = xmlCustomKeyInfo.AddAttribute("wsu:Id","STR-F25839120CBA3ECDAD68754D0443A667636FDA68")
success = xmlCustomKeyInfo.UpdateAttrAt("wsse:Reference",True,"URI","#ABCXYZ-9F0F7E15A59816E680B4735080A789DC1EED6C9C")
success = xmlCustomKeyInfo.UpdateAttrAt("wsse:Reference",True,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3")

xmlCustomKeyInfo.EmitXmlDecl = False
gen.CustomKeyInfoXml = xmlCustomKeyInfo.GetXml()

' Load XML to be signed...
Dim sbXml As Chilkat.StringBuilder
Set sbXml = Chilkat.NewStringBuilder
success = xmlToSign.GetXmlSb(sbXml)

' Update BinarySecurityToken_Base64Binary_Content with the actual X509 of the signing cert.
Dim bdCert As Chilkat.BinData
Set bdCert = Chilkat.NewBinData
success = cert.ExportCertDerBd(bdCert)


nReplaced = sbXml.Replace("BinarySecurityToken_Base64Binary_Content",bdCert.GetEncoded("base64"))

gen.Behaviors = "IndentedSignature"

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

' -----------------------------------------------

' Save the signed XML to a file.
success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",False)

Debug.Print sbXml.GetAsString()

' ----------------------------------------
' Verify the signatures we just produced...
Dim verifier As Chilkat.XmlDSig
Set verifier = Chilkat.NewXmlDSig
success = verifier.LoadSignatureSb(sbXml)
If (success <> True) Then
    Debug.Print verifier.LastErrorText
    Exit Sub
End If


numSigs = verifier.NumSignatures

verifyIdx = 0
Do While verifyIdx < numSigs
    verifier.Selector = verifyIdx

    verified = verifier.VerifySignature(True)
    If (verified <> True) Then
        Debug.Print verifier.LastErrorText
        Exit Sub
    End If

    verifyIdx = verifyIdx + 1
Loop
Debug.Print "All signatures were successfully verified."
 

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