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(Visual FoxPro) Create Signed SOAP XML for DIAN Colombia WCF Service

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

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL lnSuccess
LOCAL loXmlToSign
LOCAL loGen
LOCAL loCert
LOCAL loXmlCustomKeyInfo
LOCAL loSbXml
LOCAL loBdCert
LOCAL lnNReplaced
LOCAL loVerifier
LOCAL lnNumSigs
LOCAL lnVerifyIdx
LOCAL lnVerified

* 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

lnSuccess = 1
* Create the XML to be signed...
loXmlToSign = CreateObject('Chilkat_9_5_0.Xml')
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",1,"xmlns:wsa","http://www.w3.org/2005/08/addressing")
loXmlToSign.UpdateAttrAt("soap:Header|wsse:Security",1,"xmlns:wsse","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd")
loXmlToSign.UpdateAttrAt("soap:Header|wsse:Security",1,"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",1,"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",1,"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",1,"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",1,"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",1,"wsu:Id","ID-F25839120CBA3ECDAD68754D0443A667636FDA68")
loXmlToSign.UpdateAttrAt("soap:Header|wsa:To",1,"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('Chilkat_9_5_0.XmlDSigGen')

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('Chilkat_9_5_0.Cert')
lnSuccess = loCert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
IF (lnSuccess <> 1) THEN
    ? loCert.LastErrorText
    RELEASE loXmlToSign
    RELEASE loGen
    RELEASE loCert
    CANCEL
ENDIF

loGen.SetX509Cert(loCert,1)

loGen.KeyInfoType = "Custom"

* Create the custom KeyInfo XML..
loXmlCustomKeyInfo = CreateObject('Chilkat_9_5_0.Xml')
loXmlCustomKeyInfo.Tag = "wsse:SecurityTokenReference"
loXmlCustomKeyInfo.AddAttribute("wsu:Id","STR-F25839120CBA3ECDAD68754D0443A667636FDA68")
loXmlCustomKeyInfo.UpdateAttrAt("wsse:Reference",1,"URI","#ABCXYZ-9F0F7E15A59816E680B4735080A789DC1EED6C9C")
loXmlCustomKeyInfo.UpdateAttrAt("wsse:Reference",1,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3")

loXmlCustomKeyInfo.EmitXmlDecl = 0
loGen.CustomKeyInfoXml = loXmlCustomKeyInfo.GetXml()

* Load XML to be signed...
loSbXml = CreateObject('Chilkat_9_5_0.StringBuilder')
loXmlToSign.GetXmlSb(loSbXml)

* Update BinarySecurityToken_Base64Binary_Content with the actual X509 of the signing cert.
loBdCert = CreateObject('Chilkat_9_5_0.BinData')
loCert.ExportCertDerBd(loBdCert)

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

loGen.Behaviors = "IndentedSignature"

* Sign the XML...
lnSuccess = loGen.CreateXmlDSigSb(loSbXml)
IF (lnSuccess <> 1) THEN
    ? loGen.LastErrorText
    RELEASE loXmlToSign
    RELEASE loGen
    RELEASE loCert
    RELEASE loXmlCustomKeyInfo
    RELEASE loSbXml
    RELEASE loBdCert
    CANCEL
ENDIF

* -----------------------------------------------

* Save the signed XML to a file.
lnSuccess = loSbXml.WriteFile("qa_output/signedXml.xml","utf-8",0)

? loSbXml.GetAsString()

* ----------------------------------------
* Verify the signatures we just produced...
loVerifier = CreateObject('Chilkat_9_5_0.XmlDSig')
lnSuccess = loVerifier.LoadSignatureSb(loSbXml)
IF (lnSuccess <> 1) THEN
    ? loVerifier.LastErrorText
    RELEASE loXmlToSign
    RELEASE loGen
    RELEASE loCert
    RELEASE loXmlCustomKeyInfo
    RELEASE loSbXml
    RELEASE loBdCert
    RELEASE loVerifier
    CANCEL
ENDIF

lnNumSigs = loVerifier.NumSignatures
lnVerifyIdx = 0
DO WHILE lnVerifyIdx < lnNumSigs
    loVerifier.Selector = lnVerifyIdx
    lnVerified = loVerifier.VerifySignature(1)
    IF (lnVerified <> 1) THEN
        ? loVerifier.LastErrorText
        RELEASE loXmlToSign
        RELEASE loGen
        RELEASE loCert
        RELEASE loXmlCustomKeyInfo
        RELEASE loSbXml
        RELEASE loBdCert
        RELEASE loVerifier
        CANCEL
    ENDIF

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

RELEASE loXmlToSign
RELEASE loGen
RELEASE loCert
RELEASE loXmlCustomKeyInfo
RELEASE loSbXml
RELEASE loBdCert
RELEASE loVerifier
 

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