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(Go) POST GovTalk XML to https://vrep1-t.cssz.cz/VREP/submission

Demonstrates how to POST a GovTalk XML message to https://vrep1-t.cssz.cz/VREP/submission

PDF Documentation is at http://www.cssz.cz/NR/rdonlyres/0ACDBB35-F78A-4B1A-8258-7249B55C788E/0/csszpodavacidotazovaciprotokol20110608.pdf

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Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

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

    // First prepare the XML body that is to be GZip compressed and then encrypted.
    // Build the following XML..

    // Use the online tool at http://tools.chilkat.io/xmlCreate.cshtml
    // to generate the XML creation code that follows this XML.

    // <?xml version="1.0" encoding="utf-8" ?>
    // <pvpoj xmlns="http://schemas.cssz.cz/POJ/PVPOJ2016">
    //     <prehled verze="2016.0" typPrehledu="N">
    //         <okres>
    //             <kodOSSZ>119</kodOSSZ>
    //             <nazevOSSZ>Praha 9</nazevOSSZ>
    //         </okres>
    //         <obdobi>
    //             <mesic>1</mesic>
    //             <rok>2018</rok>
    //         </obdobi>
    //         <zamestnavatel>
    //             <vs>9992002999</vs>
    //             <IC>49710999</IC>
    //             <nazev>SIT &amp; KHASO v.o.s.</nazev>
    //             <adresa>
    //                 <ulice>Na spleniti</ulice>
    //                 <cisloDomu>517</cisloDomu>
    //                 <obec>Praha 9</obec>
    //                 <PSC>19032</PSC>
    //                 <stat>CZ</stat>
    //             </adresa>
    //         </zamestnavatel>
    //         <pojistne>
    //             <uhrnVymerovacichZakladu>1104</uhrnVymerovacichZakladu>
    //             <pojistneZamestnance>175</pojistneZamestnance>
    //             <pojistneZamestnavatele>2826</pojistneZamestnavatele>
    //             <pojistneCelkem>4301</pojistneCelkem>
    //         </pojistne>
    //         <platebniUdaje>
    //             <bankaCisloUctu>012345789/0800</bankaCisloUctu>
    //         </platebniUdaje>
    //         <pracovnik>
    //             <jmeno>Matt</jmeno>
    //             <prijmeni>Smith</prijmeni>
    //             <telefon>606796999</telefon>
    //             <email>admin@chilkatsoft.com</email>
    //         </pracovnik>
    //         <datumVyplneni>2018-03-02</datumVyplneni>
    //         <poznamka />
    //     </prehled>
    // </pvpoj>

    var success bool
    xml := chilkat.NewXml()
    xml.SetTag("pvpoj")
    xml.AddAttribute("xmlns","http://schemas.cssz.cz/POJ/PVPOJ2016")
    xml.UpdateAttrAt("prehled",true,"verze","2016.0")
    xml.UpdateAttrAt("prehled",true,"typPrehledu","N")
    xml.UpdateChildContent("prehled|okres|kodOSSZ","119")
    xml.UpdateChildContent("prehled|okres|nazevOSSZ","Praha 9")
    xml.UpdateChildContent("prehled|obdobi|mesic","1")
    xml.UpdateChildContent("prehled|obdobi|rok","2018")
    xml.UpdateChildContent("prehled|zamestnavatel|vs","9992002999")
    xml.UpdateChildContent("prehled|zamestnavatel|IC","49710999")
    xml.UpdateChildContent("prehled|zamestnavatel|nazev","SIT & KHASO v.o.s.")
    xml.UpdateChildContent("prehled|zamestnavatel|adresa|ulice","Na spleniti")
    xml.UpdateChildContent("prehled|zamestnavatel|adresa|cisloDomu","517")
    xml.UpdateChildContent("prehled|zamestnavatel|adresa|obec","Praha 9")
    xml.UpdateChildContent("prehled|zamestnavatel|adresa|PSC","19032")
    xml.UpdateChildContent("prehled|zamestnavatel|adresa|stat","CZ")
    xml.UpdateChildContent("prehled|pojistne|uhrnVymerovacichZakladu","1104")
    xml.UpdateChildContent("prehled|pojistne|pojistneZamestnance","175")
    xml.UpdateChildContent("prehled|pojistne|pojistneZamestnavatele","2826")
    xml.UpdateChildContent("prehled|pojistne|pojistneCelkem","4301")
    xml.UpdateChildContent("prehled|platebniUdaje|bankaCisloUctu","012345789/0800")
    xml.UpdateChildContent("prehled|pracovnik|jmeno","Matt")
    xml.UpdateChildContent("prehled|pracovnik|prijmeni","Smith")
    xml.UpdateChildContent("prehled|pracovnik|telefon","606796999")
    xml.UpdateChildContent("prehled|pracovnik|email","admin@chilkatsoft.com")
    xml.UpdateChildContent("prehled|datumVyplneni","2018-03-02")
    xml.UpdateChildContent("prehled|poznamka","")

    xml.SetEmitCompact(true)
    xml.SetEmitXmlDecl(false)

    // Emit the XML into bd.
    bd := chilkat.NewBinData()
    bd.AppendString(*xml.GetXml(),"utf-8")

    // GZip compress the bd contents.
    gzip := chilkat.NewGzip()
    // The Filename is not an actual file on disk, but is just the filename string stored in the gzip compressed format.
    gzip.SetFilename("pvpoj.xml")
    gzip.CompressBd(bd)

    // Encrypt the contents using the government provided cert.
    cert := chilkat.NewCert()
    success = cert.LoadFromFile("qa_data/govs/czech/pvpoj/DISCSSZ2019.cer")
    if success != true {
        fmt.Println(cert.LastErrorText())
        xml.DisposeXml()
        bd.DisposeBinData()
        gzip.DisposeGzip()
        cert.DisposeCert()
        return
    }

    crypt := chilkat.NewCrypt2()
    crypt.SetCryptAlgorithm("pki")

    crypt.SetPkcs7CryptAlg("aes")
    crypt.SetKeyLength(256)

    success = crypt.SetEncryptCert(cert)
    if success != true {
        fmt.Println(crypt.LastErrorText())
        xml.DisposeXml()
        bd.DisposeBinData()
        gzip.DisposeGzip()
        cert.DisposeCert()
        crypt.DisposeCrypt2()
        return
    }

    success = crypt.EncryptBd(bd)
    if success != true {
        fmt.Println(crypt.LastErrorText())
        xml.DisposeXml()
        bd.DisposeBinData()
        gzip.DisposeGzip()
        cert.DisposeCert()
        crypt.DisposeCrypt2()
        return
    }

    // At this point, bd contains the gzip compressed / encrypted XML.

    // Build the following GovTalkMessage XML:

    // <?xml version="1.0" encoding="utf-8"?>
    // <GovTalkMessage xmlns="http://www.govtalk.gov.uk/CM/envelope">
    //   <EnvelopeVersion>2.0</EnvelopeVersion>
    //   <Header>
    //     <MessageDetails>
    //       <Class>CSSZ_PVPOJ</Class>
    //       <Qualifier>request</Qualifier>
    //       <Function>submit</Function>
    //       <TransactionID />
    //       <AuditID />
    //       <CorrelationID />
    //       <ResponseEndPoint PollInterval="0" />
    //       <Transformation>XML</Transformation>
    //       <GatewayTest />
    //       <GatewayTimestamp />
    //     </MessageDetails>
    //     <SenderDetails>
    //       <IDAuthentication>
    //         <SenderID />
    //         <Authentication>
    //           <Method>clear</Method>
    //           <Role />
    //           <Value />
    //         </Authentication>
    //       </IDAuthentication>
    //       <X509Certificate />
    //       <EmailAddress>admin@chilkatsoft.com</EmailAddress>
    //     </SenderDetails>
    //   </Header>
    //   <GovTalkDetails>
    //     <Keys>
    //       <Key Type="vars">9992888999</Key>
    //     </Keys>
    //     <GatewayAdditions />
    //   </GovTalkDetails>
    //   <Body>
    //     <Message xmlns="http://www.cssz.cz/XMLSchema/envelope" version="1.2" eType="PVPOJ16">
    //       <Header>
    //         <Signature xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="bin.base64">Signature goes here</Signature>
    //         <Vendor productName="Abc xyz. s r.o. JKL .NET Client" version="6.0.2.0" />
    //       </Header>
    //       <Body xmlns:dt="urn:schemas-microsoft-com:datatypes" encrypted="yes" contentEncoding="gzip" dt:dt="bin.base64">Base64 goes here
    // </Body>
    //     </Message>
    //   </Body>
    // </GovTalkMessage>
    // 

    // Use the online tool at http://tools.chilkat.io/xmlCreate.cshtml
    // to generate this code.

    xml.Clear()
    xml.SetTag("GovTalkMessage")
    xml.AddAttribute("xmlns","http://www.govtalk.gov.uk/CM/envelope")
    xml.UpdateChildContent("EnvelopeVersion","2.0")
    xml.UpdateChildContent("Header|MessageDetails|Class","CSSZ_PVPOJ")
    xml.UpdateChildContent("Header|MessageDetails|Qualifier","request")
    xml.UpdateChildContent("Header|MessageDetails|Function","submit")
    xml.UpdateChildContent("Header|MessageDetails|TransactionID","")
    xml.UpdateChildContent("Header|MessageDetails|AuditID","")
    xml.UpdateChildContent("Header|MessageDetails|CorrelationID","")
    xml.UpdateAttrAt("Header|MessageDetails|ResponseEndPoint",true,"PollInterval","0")
    xml.UpdateChildContent("Header|MessageDetails|Transformation","XML")
    xml.UpdateChildContent("Header|MessageDetails|GatewayTest","")
    xml.UpdateChildContent("Header|MessageDetails|GatewayTimestamp","")
    xml.UpdateChildContent("Header|SenderDetails|IDAuthentication|SenderID","")
    xml.UpdateChildContent("Header|SenderDetails|IDAuthentication|Authentication|Method","clear")
    xml.UpdateChildContent("Header|SenderDetails|IDAuthentication|Authentication|Role","")
    xml.UpdateChildContent("Header|SenderDetails|IDAuthentication|Authentication|Value","")
    xml.UpdateChildContent("Header|SenderDetails|X509Certificate","")
    xml.UpdateChildContent("Header|SenderDetails|EmailAddress","admin@chilkatsoft.com")
    xml.UpdateAttrAt("GovTalkDetails|Keys|Key",true,"Type","vars")
    xml.UpdateChildContent("GovTalkDetails|Keys|Key","9992888999")
    xml.UpdateChildContent("GovTalkDetails|GatewayAdditions","")
    xml.UpdateAttrAt("Body|Message",true,"xmlns","http://www.cssz.cz/XMLSchema/envelope")
    xml.UpdateAttrAt("Body|Message",true,"version","1.2")
    xml.UpdateAttrAt("Body|Message",true,"eType","PVPOJ16")
    xml.UpdateAttrAt("Body|Message|Header|Signature",true,"xmlns:dt","urn:schemas-microsoft-com:datatypes")
    xml.UpdateAttrAt("Body|Message|Header|Signature",true,"dt:dt","bin.base64")
    xml.UpdateChildContent("Body|Message|Header|Signature","Signature goes here")
    xml.UpdateAttrAt("Body|Message|Header|Vendor",true,"productName","Abc xyz. s r.o. JKL .NET Client")
    xml.UpdateAttrAt("Body|Message|Header|Vendor",true,"version","6.0.2.0")
    xml.UpdateAttrAt("Body|Message|Body",true,"xmlns:dt","urn:schemas-microsoft-com:datatypes")
    xml.UpdateAttrAt("Body|Message|Body",true,"encrypted","yes")
    xml.UpdateAttrAt("Body|Message|Body",true,"contentEncoding","gzip")
    xml.UpdateAttrAt("Body|Message|Body",true,"dt:dt","bin.base64")

    // Insert the contents of bd here:
    xml.UpdateChildContent("Body|Message|Body",*bd.GetEncoded("base64"))

    // Show the XML to be sent to https://vrep1-t.cssz.cz/VREP/submission
    xml.SetEmitCompact(false)
    fmt.Println(*xml.GetXml())
    xml.SetEmitCompact(true)

    // ----------------------------------------------------------
    // POST the XML to https://vrep1-t.cssz.cz/VREP/submission

    http := chilkat.NewHttp()
    resp := http.PostXml("https://vrep1-t.cssz.cz/VREP/submission",*xml.GetXml(),"utf-8")
    if http.LastMethodSuccess() != true {
        fmt.Println(http.LastErrorText())
        xml.DisposeXml()
        bd.DisposeBinData()
        gzip.DisposeGzip()
        cert.DisposeCert()
        crypt.DisposeCrypt2()
        http.DisposeHttp()
        return
    }

    // Examine the response status code (200 = success)
    statusCode := resp.StatusCode()
    fmt.Println("Response status code = ", statusCode)

    // The response body should be XML.
    // Load it into a Chilkat XML object to get it in indented format for viewing..
    xml.Clear()
    xml.LoadXml(resp.BodyStr())
    xml.SetEmitCompact(false)
    fmt.Println(*xml.GetXml())

    // Output is:
    // <GovTalkMessage xmlns="http://www.govtalk.gov.uk/CM/envelope">
    //     <EnvelopeVersion>2.0</EnvelopeVersion>
    //     <Header>
    //         <MessageDetails>
    //             <Class>CSSZ_PVPOJ</Class>
    //             <Qualifier>acknowledgement</Qualifier>
    //             <Function>submit</Function>
    //             <TransactionID />
    //             <CorrelationID>1B6336D5ACE949CDB944424CB2D54401</CorrelationID>
    //             <ResponseEndPoint PollInterval="60">https://vrep1-t.cssz.cz/VREP/poll</ResponseEndPoint>
    //             <GatewayTimestamp>2018-07-02T22:23:41.310</GatewayTimestamp>
    //         </MessageDetails>
    //         <SenderDetails />
    //     </Header>
    //     <GovTalkDetails>
    //         <Keys />
    //     </GovTalkDetails>
    //     <Body>
    //         <Signature xmlns="http://www.podani.gov.cz/TxE/timestamp" Version="1.0">
    //             <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
    //             <TimeStamp>
    //                 <date>20180702</date>
    //                 <time>22:23:41</time>
    //             </TimeStamp>
    //             <SignatureValue>MIIORwYJKoZIhvcNAQcCo ... bBNE6MeXmk2siMuvY=</SignatureValue>
    //         </Signature>
    //     </Body>
    // </GovTalkMessage>
    // 

    // Hint: Use the online tool at http://tools.chilkat.io/xmlParse.cshtml
    // to generate XML parsing code based on a sample response..

    resp.DisposeHttpResponse()

    xml.DisposeXml()
    bd.DisposeBinData()
    gzip.DisposeGzip()
    cert.DisposeCert()
    crypt.DisposeCrypt2()
    http.DisposeHttp()

 

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