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Lianja

Create Signed SOAP XML for DIAN Colombia WCF Service

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

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llSuccess = .F.

// 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

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

loGen = createobject("CkXmlDSigGen")

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

// Set the KeyInfoId before adding references..
loGen.KeyInfoId = "KI-F25839120CBA3ECDAD68754D0443A667636FDA68"

// -------- Reference 1 --------
loGen.AddSameDocRef("ID-F25839120CBA3ECDAD68754D0443A667636FDA68","sha256","EXCL_C14N","soap wcf","")

// Provide a certificate + private key. (PFX password is test123)
loCert = createobject("CkCert")
llSuccess = loCert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if (llSuccess <> .T.) then
    ? loCert.LastErrorText
    release loXmlToSign
    release loGen
    release loCert
    return
endif

loGen.SetX509Cert(loCert,.T.)

loGen.KeyInfoType = "Custom"

// Create the custom KeyInfo XML..
loXmlCustomKeyInfo = createobject("CkXml")
loXmlCustomKeyInfo.Tag = "wsse:SecurityTokenReference"
loXmlCustomKeyInfo.AddAttribute("wsu:Id","STR-F25839120CBA3ECDAD68754D0443A667636FDA68")
loXmlCustomKeyInfo.UpdateAttrAt("wsse:Reference",.T.,"URI","#ABCXYZ-9F0F7E15A59816E680B4735080A789DC1EED6C9C")
loXmlCustomKeyInfo.UpdateAttrAt("wsse:Reference",.T.,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3")

loXmlCustomKeyInfo.EmitXmlDecl = .F.
loGen.CustomKeyInfoXml = loXmlCustomKeyInfo.GetXml()

// Load XML to be signed...
loSbXml = createobject("CkStringBuilder")
loXmlToSign.GetXmlSb(loSbXml)

// Update BinarySecurityToken_Base64Binary_Content with the actual X509 of the signing cert.
loBdCert = createobject("CkBinData")
loCert.ExportCertDerBd(loBdCert)

lnNReplaced = loSbXml.Replace("BinarySecurityToken_Base64Binary_Content",loBdCert.GetEncoded("base64"))

loGen.Behaviors = "IndentedSignature"

// Sign the XML...
llSuccess = loGen.CreateXmlDSigSb(loSbXml)
if (llSuccess <> .T.) then
    ? loGen.LastErrorText
    release loXmlToSign
    release loGen
    release loCert
    release loXmlCustomKeyInfo
    release loSbXml
    release loBdCert
    return
endif

// -----------------------------------------------

// Save the signed XML to a file.
llSuccess = loSbXml.WriteFile("qa_output/signedXml.xml","utf-8",.F.)

? loSbXml.GetAsString()

// ----------------------------------------
// Verify the signatures we just produced...
loVerifier = createobject("CkXmlDSig")
llSuccess = loVerifier.LoadSignatureSb(loSbXml)
if (llSuccess <> .T.) then
    ? loVerifier.LastErrorText
    release loXmlToSign
    release loGen
    release loCert
    release loXmlCustomKeyInfo
    release loSbXml
    release loBdCert
    release loVerifier
    return
endif

lnNumSigs = loVerifier.NumSignatures
lnVerifyIdx = 0
do while lnVerifyIdx < lnNumSigs
    loVerifier.Selector = lnVerifyIdx
    llVerified = loVerifier.VerifySignature(.T.)
    if (llVerified <> .T.) then
        ? loVerifier.LastErrorText
        release loXmlToSign
        release loGen
        release loCert
        release loXmlCustomKeyInfo
        release loSbXml
        release loBdCert
        release loVerifier
        return
    endif

    lnVerifyIdx = lnVerifyIdx + 1
enddo
? "All signatures were successfully verified."

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


release loXmlToSign
release loGen
release loCert
release loXmlCustomKeyInfo
release loSbXml
release loBdCert
release loVerifier