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Delphi ActiveX

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

See more HTTP Misc Examples

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

Chilkat Delphi ActiveX Downloads

Delphi ActiveX
uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
xml: TChilkatXml;
bd: TChilkatBinData;
gzip: TChilkatGzip;
cert: TChilkatCert;
crypt: TChilkatCrypt2;
http: TChilkatHttp;
resp: TChilkatHttpResponse;
statusCode: Integer;

begin
success := 0;

// 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 sp�leni�ti</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>

xml := TChilkatXml.Create(Self);
xml.Tag := 'pvpoj';
xml.AddAttribute('xmlns','http://schemas.cssz.cz/POJ/PVPOJ2016');
xml.UpdateAttrAt('prehled',1,'verze','2016.0');
xml.UpdateAttrAt('prehled',1,'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 sp�leni�ti');
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.EmitCompact := 1;
xml.EmitXmlDecl := 0;

// Emit the XML into bd.
bd := TChilkatBinData.Create(Self);
bd.AppendString(xml.GetXml(),'utf-8');

// GZip compress the bd contents.
gzip := TChilkatGzip.Create(Self);
// The Filename is not an actual file on disk, but is just the filename string stored in the gzip compressed format.
gzip.Filename := 'pvpoj.xml';
gzip.CompressBd(bd.ControlInterface);

// Encrypt the contents using the government provided cert.
cert := TChilkatCert.Create(Self);
success := cert.LoadFromFile('qa_data/govs/czech/pvpoj/DISCSSZ2019.cer');
if (success = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

crypt := TChilkatCrypt2.Create(Self);
crypt.CryptAlgorithm := 'pki';

crypt.Pkcs7CryptAlg := 'aes';
crypt.KeyLength := 256;

success := crypt.SetEncryptCert(cert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(crypt.LastErrorText);
    Exit;
  end;

success := crypt.EncryptBd(bd.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(crypt.LastErrorText);
    Exit;
  end;

// 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.Tag := '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',1,'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',1,'Type','vars');
xml.UpdateChildContent('GovTalkDetails|Keys|Key','9992888999');
xml.UpdateChildContent('GovTalkDetails|GatewayAdditions','');
xml.UpdateAttrAt('Body|Message',1,'xmlns','http://www.cssz.cz/XMLSchema/envelope');
xml.UpdateAttrAt('Body|Message',1,'version','1.2');
xml.UpdateAttrAt('Body|Message',1,'eType','PVPOJ16');
xml.UpdateAttrAt('Body|Message|Header|Signature',1,'xmlns:dt','urn:schemas-microsoft-com:datatypes');
xml.UpdateAttrAt('Body|Message|Header|Signature',1,'dt:dt','bin.base64');
xml.UpdateChildContent('Body|Message|Header|Signature','Signature goes here');
xml.UpdateAttrAt('Body|Message|Header|Vendor',1,'productName','Abc xyz. s r.o. JKL .NET Client');
xml.UpdateAttrAt('Body|Message|Header|Vendor',1,'version','6.0.2.0');
xml.UpdateAttrAt('Body|Message|Body',1,'xmlns:dt','urn:schemas-microsoft-com:datatypes');
xml.UpdateAttrAt('Body|Message|Body',1,'encrypted','yes');
xml.UpdateAttrAt('Body|Message|Body',1,'contentEncoding','gzip');
xml.UpdateAttrAt('Body|Message|Body',1,'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.EmitCompact := 0;
Memo1.Lines.Add(xml.GetXml());
xml.EmitCompact := 1;

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

http := TChilkatHttp.Create(Self);
resp := TChilkatHttpResponse.Create(Self);
success := http.HttpStr('POST','https://vrep1-t.cssz.cz/VREP/submission',xml.GetXml(),'utf-8','application/xml',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// Examine the response status code (200 = success)
statusCode := resp.StatusCode;
Memo1.Lines.Add('Response status code = ' + IntToStr(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.EmitCompact := 0;
Memo1.Lines.Add(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..
end;