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Objective-C

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

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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 Objective-C Downloads

Objective-C
#import <CkoXml.h>
#import <CkoBinData.h>
#import <CkoGzip.h>
#import <CkoCert.h>
#import <CkoCrypt2.h>
#import <CkoHttp.h>
#import <CkoHttpResponse.h>

BOOL success = NO;

// 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>

CkoXml *xml = [[CkoXml alloc] init];
xml.Tag = @"pvpoj";
[xml AddAttribute: @"xmlns" value: @"http://schemas.cssz.cz/POJ/PVPOJ2016"];
[xml UpdateAttrAt: @"prehled" autoCreate: YES attrName: @"verze" attrValue: @"2016.0"];
[xml UpdateAttrAt: @"prehled" autoCreate: YES attrName: @"typPrehledu" attrValue: @"N"];
[xml UpdateChildContent: @"prehled|okres|kodOSSZ" value: @"119"];
[xml UpdateChildContent: @"prehled|okres|nazevOSSZ" value: @"Praha 9"];
[xml UpdateChildContent: @"prehled|obdobi|mesic" value: @"1"];
[xml UpdateChildContent: @"prehled|obdobi|rok" value: @"2018"];
[xml UpdateChildContent: @"prehled|zamestnavatel|vs" value: @"9992002999"];
[xml UpdateChildContent: @"prehled|zamestnavatel|IC" value: @"49710999"];
[xml UpdateChildContent: @"prehled|zamestnavatel|nazev" value: @"SIT & KHASO v.o.s."];
[xml UpdateChildContent: @"prehled|zamestnavatel|adresa|ulice" value: @"Na sp�leni�ti"];
[xml UpdateChildContent: @"prehled|zamestnavatel|adresa|cisloDomu" value: @"517"];
[xml UpdateChildContent: @"prehled|zamestnavatel|adresa|obec" value: @"Praha 9"];
[xml UpdateChildContent: @"prehled|zamestnavatel|adresa|PSC" value: @"19032"];
[xml UpdateChildContent: @"prehled|zamestnavatel|adresa|stat" value: @"CZ"];
[xml UpdateChildContent: @"prehled|pojistne|uhrnVymerovacichZakladu" value: @"1104"];
[xml UpdateChildContent: @"prehled|pojistne|pojistneZamestnance" value: @"175"];
[xml UpdateChildContent: @"prehled|pojistne|pojistneZamestnavatele" value: @"2826"];
[xml UpdateChildContent: @"prehled|pojistne|pojistneCelkem" value: @"4301"];
[xml UpdateChildContent: @"prehled|platebniUdaje|bankaCisloUctu" value: @"012345789/0800"];
[xml UpdateChildContent: @"prehled|pracovnik|jmeno" value: @"Matt"];
[xml UpdateChildContent: @"prehled|pracovnik|prijmeni" value: @"Smith"];
[xml UpdateChildContent: @"prehled|pracovnik|telefon" value: @"606796999"];
[xml UpdateChildContent: @"prehled|pracovnik|email" value: @"admin@chilkatsoft.com"];
[xml UpdateChildContent: @"prehled|datumVyplneni" value: @"2018-03-02"];
[xml UpdateChildContent: @"prehled|poznamka" value: @""];

xml.EmitCompact = YES;
xml.EmitXmlDecl = NO;

// Emit the XML into bd.
CkoBinData *bd = [[CkoBinData alloc] init];
[bd AppendString: [xml GetXml] charset: @"utf-8"];

// GZip compress the bd contents.
CkoGzip *gzip = [[CkoGzip alloc] init];
// 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.
CkoCert *cert = [[CkoCert alloc] init];
success = [cert LoadFromFile: @"qa_data/govs/czech/pvpoj/DISCSSZ2019.cer"];
if (success == NO) {
    NSLog(@"%@",cert.LastErrorText);
    return;
}

CkoCrypt2 *crypt = [[CkoCrypt2 alloc] init];
crypt.CryptAlgorithm = @"pki";

crypt.Pkcs7CryptAlg = @"aes";
crypt.KeyLength = [NSNumber numberWithInt:256];

success = [crypt SetEncryptCert: cert];
if (success == NO) {
    NSLog(@"%@",crypt.LastErrorText);
    return;
}

success = [crypt EncryptBd: bd];
if (success == NO) {
    NSLog(@"%@",crypt.LastErrorText);
    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.Tag = @"GovTalkMessage";
[xml AddAttribute: @"xmlns" value: @"http://www.govtalk.gov.uk/CM/envelope"];
[xml UpdateChildContent: @"EnvelopeVersion" value: @"2.0"];
[xml UpdateChildContent: @"Header|MessageDetails|Class" value: @"CSSZ_PVPOJ"];
[xml UpdateChildContent: @"Header|MessageDetails|Qualifier" value: @"request"];
[xml UpdateChildContent: @"Header|MessageDetails|Function" value: @"submit"];
[xml UpdateChildContent: @"Header|MessageDetails|TransactionID" value: @""];
[xml UpdateChildContent: @"Header|MessageDetails|AuditID" value: @""];
[xml UpdateChildContent: @"Header|MessageDetails|CorrelationID" value: @""];
[xml UpdateAttrAt: @"Header|MessageDetails|ResponseEndPoint" autoCreate: YES attrName: @"PollInterval" attrValue: @"0"];
[xml UpdateChildContent: @"Header|MessageDetails|Transformation" value: @"XML"];
[xml UpdateChildContent: @"Header|MessageDetails|GatewayTest" value: @""];
[xml UpdateChildContent: @"Header|MessageDetails|GatewayTimestamp" value: @""];
[xml UpdateChildContent: @"Header|SenderDetails|IDAuthentication|SenderID" value: @""];
[xml UpdateChildContent: @"Header|SenderDetails|IDAuthentication|Authentication|Method" value: @"clear"];
[xml UpdateChildContent: @"Header|SenderDetails|IDAuthentication|Authentication|Role" value: @""];
[xml UpdateChildContent: @"Header|SenderDetails|IDAuthentication|Authentication|Value" value: @""];
[xml UpdateChildContent: @"Header|SenderDetails|X509Certificate" value: @""];
[xml UpdateChildContent: @"Header|SenderDetails|EmailAddress" value: @"admin@chilkatsoft.com"];
[xml UpdateAttrAt: @"GovTalkDetails|Keys|Key" autoCreate: YES attrName: @"Type" attrValue: @"vars"];
[xml UpdateChildContent: @"GovTalkDetails|Keys|Key" value: @"9992888999"];
[xml UpdateChildContent: @"GovTalkDetails|GatewayAdditions" value: @""];
[xml UpdateAttrAt: @"Body|Message" autoCreate: YES attrName: @"xmlns" attrValue: @"http://www.cssz.cz/XMLSchema/envelope"];
[xml UpdateAttrAt: @"Body|Message" autoCreate: YES attrName: @"version" attrValue: @"1.2"];
[xml UpdateAttrAt: @"Body|Message" autoCreate: YES attrName: @"eType" attrValue: @"PVPOJ16"];
[xml UpdateAttrAt: @"Body|Message|Header|Signature" autoCreate: YES attrName: @"xmlns:dt" attrValue: @"urn:schemas-microsoft-com:datatypes"];
[xml UpdateAttrAt: @"Body|Message|Header|Signature" autoCreate: YES attrName: @"dt:dt" attrValue: @"bin.base64"];
[xml UpdateChildContent: @"Body|Message|Header|Signature" value: @"Signature goes here"];
[xml UpdateAttrAt: @"Body|Message|Header|Vendor" autoCreate: YES attrName: @"productName" attrValue: @"Abc xyz. s r.o. JKL .NET Client"];
[xml UpdateAttrAt: @"Body|Message|Header|Vendor" autoCreate: YES attrName: @"version" attrValue: @"6.0.2.0"];
[xml UpdateAttrAt: @"Body|Message|Body" autoCreate: YES attrName: @"xmlns:dt" attrValue: @"urn:schemas-microsoft-com:datatypes"];
[xml UpdateAttrAt: @"Body|Message|Body" autoCreate: YES attrName: @"encrypted" attrValue: @"yes"];
[xml UpdateAttrAt: @"Body|Message|Body" autoCreate: YES attrName: @"contentEncoding" attrValue: @"gzip"];
[xml UpdateAttrAt: @"Body|Message|Body" autoCreate: YES attrName: @"dt:dt" attrValue: @"bin.base64"];

// Insert the contents of bd here:
[xml UpdateChildContent: @"Body|Message|Body" value: [bd GetEncoded: @"base64"]];

// Show the XML to be sent to https://vrep1-t.cssz.cz/VREP/submission
xml.EmitCompact = NO;
NSLog(@"%@",[xml GetXml]);
xml.EmitCompact = YES;

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

CkoHttp *http = [[CkoHttp alloc] init];
CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpStr: @"POST" url: @"https://vrep1-t.cssz.cz/VREP/submission" bodyStr: [xml GetXml] charset: @"utf-8" contentType: @"application/xml" response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

// Examine the response status code (200 = success)
int statusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"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 = NO;
NSLog(@"%@",[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..