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Pascal (Lazarus/Delphi)

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 Pascal (Lazarus/Delphi) Downloads

Pascal (Lazarus/Delphi)
program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Gzip,
  Chilkat.HttpResponse,
  Chilkat.Http,
  Chilkat.BinData,
  Chilkat.Cert,
  Chilkat.Crypt2,
  Chilkat.Xml;

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

procedure RunDemo;
var
  success: Boolean;
  xml: TXml;
  bd: TBinData;
  gzip: TGzip;
  cert: TCert;
  crypt: TCrypt2;
  http: THttp;
  resp: THttpResponse;
  statusCode: Integer;

begin
  success := False;

  //  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 := TXml.Create;
  xml.Tag := '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 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 := True;
  xml.EmitXmlDecl := False;

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

  //  GZip compress the bd contents.
  gzip := TGzip.Create;
  //  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);

  //  Encrypt the contents using the government provided cert.
  cert := TCert.Create;
  success := cert.LoadFromFile('qa_data/govs/czech/pvpoj/DISCSSZ2019.cer');
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;

  crypt := TCrypt2.Create;
  crypt.CryptAlgorithm := 'pki';

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

  success := crypt.SetEncryptCert(cert);
  if (success = False) then
    begin
      WriteLn(crypt.LastErrorText);
      Exit;
    end;

  success := crypt.EncryptBd(bd);
  if (success = False) then
    begin
      WriteLn(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',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.EmitCompact := False;
  WriteLn(xml.GetXml());
  xml.EmitCompact := True;

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

  http := THttp.Create;
  resp := THttpResponse.Create;
  success := http.HttpStr('POST','https://vrep1-t.cssz.cz/VREP/submission',xml.GetXml(),'utf-8','application/xml',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  //  Examine the response status code (200 = success)
  statusCode := resp.StatusCode;
  WriteLn('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.EmitCompact := False;
  WriteLn(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..


  xml.Free;
  bd.Free;
  gzip.Free;
  cert.Free;
  crypt.Free;
  http.Free;
  resp.Free;

end;

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

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.