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Sign SOAP XML for New Zealand Customs Service

See more XAdES Examples

Demonstrates how to create an XAdES signed SOAP XML pertaining to the New Zealand Customs Service.

Note: This example requires Chilkat v9.5.0.96 or later.

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Go
    success := false

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

    success = true

    // Create the following XML to be signed:

    // <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
    //     xmlns:v1="http://customs.govt.nz/jbms/msggate/reqresp/v1">
    //     <soapenv:Header>
    //         <wsse:Security soapenv:mustUnderstand="1"
    //             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-037E78514E9B9132CB16817563559151">
    //                 <wsu:Created>2023-04-17T18:32:35.913Z</wsu:Created>
    //                 <wsu:Expires>2023-04-17T19:32:35.913Z</wsu:Expires>
    //             </wsu:Timestamp>
    //         </wsse:Security>
    //     </soapenv:Header>
    //     <soapenv:Body wsu:Id="id-8"
    //         xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
    //         <v1:RequestResponse>
    //             <v1:Submitter>TEST1234</v1:Submitter>
    //             <v1:MailboxMsgId>999999</v1:MailboxMsgId>
    //         </v1:RequestResponse>
    //     </soapenv:Body>
    // </soapenv:Envelope>

    // Create a random ID like this: TS-037E78514E9B9132CB16817563559151
    tsId := chilkat.NewStringBuilder()
    tsId.Append("TS-")
    tsId.AppendRandom(16,"hex")

    // STR-037E78514E9B9132CB16817563559614
    strId := chilkat.NewStringBuilder()
    strId.Append("STR-")
    strId.AppendRandom(16,"hex")

    // KI-037E78514E9B9132CB16817563559583
    keyInfoId := chilkat.NewStringBuilder()
    keyInfoId.Append("KI-")
    keyInfoId.AppendRandom(16,"hex")

    // Create a date/time for the current time with this format:  2023-04-17T18:32:35.913Z
    dt := chilkat.NewCkDateTime()
    dt.SetFromCurrentSystemTime()

    sbNow := chilkat.NewStringBuilder()
    sbNow.Append(*dt.GetAsTimestamp(false))
    // If we really need the milliseconds, we can replace the "Z" with ".000Z"
    // The server will also likely accept a timestamp without milliseconds, such as 2023-04-17T18:32:35Z
    n := sbNow.Replace("Z",".000Z")

    sbNowPlusOneHour := chilkat.NewStringBuilder()
    dt.AddSeconds(3600)
    sbNowPlusOneHour.Append(*dt.GetAsTimestamp(false))
    n = sbNowPlusOneHour.Replace("Z",".000Z")

    xmlToSign := chilkat.NewXml()
    xmlToSign.SetTag("soapenv:Envelope")
    xmlToSign.AddAttribute("xmlns:soapenv","http://schemas.xmlsoap.org/soap/envelope/")
    xmlToSign.AddAttribute("xmlns:v1","http://customs.govt.nz/jbms/msggate/reqresp/v1")
    xmlToSign.UpdateAttrAt("soapenv:Header|wsse:Security",true,"soapenv:mustUnderstand","1")
    xmlToSign.UpdateAttrAt("soapenv:Header|wsse:Security",true,"xmlns:wsse","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd")
    xmlToSign.UpdateAttrAt("soapenv:Header|wsse:Security",true,"xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd")
    xmlToSign.UpdateAttrAt("soapenv:Header|wsse:Security|wsu:Timestamp",true,"wsu:Id",*tsId.GetAsString())
    xmlToSign.UpdateChildContent("soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Created",*sbNow.GetAsString())
    xmlToSign.UpdateChildContent("soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Expires",*sbNowPlusOneHour.GetAsString())
    xmlToSign.UpdateAttrAt("soapenv:Body",true,"wsu:Id","id-8")
    xmlToSign.UpdateAttrAt("soapenv:Body",true,"xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd")
    xmlToSign.UpdateChildContent("soapenv:Body|v1:RequestResponse|v1:Submitter","TEST1234")
    xmlToSign.UpdateChildContent("soapenv:Body|v1:RequestResponse|v1:MailboxMsgId","999999")

    gen := chilkat.NewXmlDSigGen()

    gen.SetSigLocation("soapenv:Envelope|soapenv:Header|wsse:Security")
    gen.SetSigLocationMod(0)
    gen.SetSigId("SIG-037E78514E9B9132CB16817563559695")
    gen.SetSigNamespacePrefix("ds")
    gen.SetSigNamespaceUri("http://www.w3.org/2000/09/xmldsig#")
    gen.SetSignedInfoPrefixList("soapenv v1")
    gen.SetIncNamespacePrefix("ec")
    gen.SetIncNamespaceUri("http://www.w3.org/2001/10/xml-exc-c14n#")
    gen.SetSignedInfoCanonAlg("EXCL_C14N")
    gen.SetSignedInfoDigestMethod("sha256")

    // Set the KeyInfoId before adding references..
    gen.SetKeyInfoId(keyInfoId.GetAsString())

    // -------- Reference 1 --------
    xml1 := chilkat.NewXml()
    xml1.SetTag("ds:Transforms")
    xml1.UpdateAttrAt("ds:Transform",true,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")
    xml1.UpdateAttrAt("ds:Transform|ec:InclusiveNamespaces",true,"PrefixList","wsse soapenv v1")
    xml1.UpdateAttrAt("ds:Transform|ec:InclusiveNamespaces",true,"xmlns:ec","http://www.w3.org/2001/10/xml-exc-c14n#")

    gen.AddSameDocRef2(*tsId.GetAsString(),"sha256",xml1,"")

    // -------- Reference 2 --------
    xml2 := chilkat.NewXml()
    xml2.SetTag("ds:Transforms")
    xml2.UpdateAttrAt("ds:Transform",true,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")
    xml2.UpdateAttrAt("ds:Transform|ec:InclusiveNamespaces",true,"PrefixList","v1")
    xml2.UpdateAttrAt("ds:Transform|ec:InclusiveNamespaces",true,"xmlns:ec","http://www.w3.org/2001/10/xml-exc-c14n#")

    gen.AddSameDocRef2("id-8","sha256",xml2,"")

    // Provide a certificate + private key. (PFX password is test123)
    cert := chilkat.NewCert()
    success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
    if success != true {
        fmt.Println(cert.LastErrorText())
        tsId.DisposeStringBuilder()
        strId.DisposeStringBuilder()
        keyInfoId.DisposeStringBuilder()
        dt.DisposeCkDateTime()
        sbNow.DisposeStringBuilder()
        sbNowPlusOneHour.DisposeStringBuilder()
        xmlToSign.DisposeXml()
        gen.DisposeXmlDSigGen()
        xml1.DisposeXml()
        xml2.DisposeXml()
        cert.DisposeCert()
        return
    }

    gen.SetX509Cert(cert,true)

    gen.SetKeyInfoType("Custom")

    // Create the custom KeyInfo XML..
    xmlCustomKeyInfo := chilkat.NewXml()
    xmlCustomKeyInfo.SetTag("wsse:SecurityTokenReference")
    xmlCustomKeyInfo.AddAttribute("wsu:Id",*strId.GetAsString())
    xmlCustomKeyInfo.UpdateAttrAt("wsse:KeyIdentifier",true,"EncodingType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary")
    xmlCustomKeyInfo.UpdateAttrAt("wsse:KeyIdentifier",true,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3")
    // Insert the single-line base64 of the signing certificate's DER
    cert.SetUncommonOptions("Base64CertNoCRLF")
    xmlCustomKeyInfo.UpdateChildContent("wsse:KeyIdentifier",*cert.GetEncoded())

    xmlCustomKeyInfo.SetEmitXmlDecl(false)
    gen.SetCustomKeyInfoXml(xmlCustomKeyInfo.GetXml())

    // Load XML to be signed...
    sbXml := chilkat.NewStringBuilder()
    xmlToSign.GetXmlSb(sbXml)

    gen.SetBehaviors("IndentedSignature")

    // Sign the XML...
    gen.SetVerboseLogging(true)
    success = gen.CreateXmlDSigSb(sbXml)
    if success != true {
        fmt.Println(gen.LastErrorText())
        tsId.DisposeStringBuilder()
        strId.DisposeStringBuilder()
        keyInfoId.DisposeStringBuilder()
        dt.DisposeCkDateTime()
        sbNow.DisposeStringBuilder()
        sbNowPlusOneHour.DisposeStringBuilder()
        xmlToSign.DisposeXml()
        gen.DisposeXmlDSigGen()
        xml1.DisposeXml()
        xml2.DisposeXml()
        cert.DisposeCert()
        xmlCustomKeyInfo.DisposeXml()
        sbXml.DisposeStringBuilder()
        return
    }

    // Save the signed XML to a file.
    success = sbXml.WriteFile("c:/temp/qa_output/signedXml.xml","utf-8",false)

    fmt.Println(*sbXml.GetAsString())

    tsId.DisposeStringBuilder()
    strId.DisposeStringBuilder()
    keyInfoId.DisposeStringBuilder()
    dt.DisposeCkDateTime()
    sbNow.DisposeStringBuilder()
    sbNowPlusOneHour.DisposeStringBuilder()
    xmlToSign.DisposeXml()
    gen.DisposeXmlDSigGen()
    xml1.DisposeXml()
    xml2.DisposeXml()
    cert.DisposeCert()
    xmlCustomKeyInfo.DisposeXml()
    sbXml.DisposeStringBuilder()