C
C
Hungary NAV Token Exchange
See more Hungary NAV Invoicing Examples
Demonstrates the tokenExchange request for the Hungarian NAV Online Invoicing System REST API v2.0.Chilkat C Downloads
#include <C_CkCrypt2.h>
#include <C_CkDateTime.h>
#include <C_CkPrng.h>
#include <C_CkStringBuilder.h>
#include <C_CkXml.h>
#include <C_CkHttp.h>
#include <C_CkHttpResponse.h>
void ChilkatSample(void)
{
BOOL success;
HCkCrypt2 crypt;
HCkDateTime dtNow;
const char *myPassword;
const char *passwordHash;
HCkPrng prng;
HCkStringBuilder sbRequestId;
const char *signatureKey;
HCkStringBuilder sbFinalHashBase;
int numReplaced;
const char *requestSignature;
HCkXml xml;
HCkHttp http;
const char *endpoint;
HCkHttpResponse resp;
HCkXml respXml;
const char *TokenExchangeResponse_xmlns;
const char *TokenExchangeResponse_xmlns_ns2;
const char *requestId;
const char *timestamp;
const char *requestVersion;
const char *headerVersion;
const char *funcCode;
const char *softwareId;
const char *softwareName;
const char *softwareOperation;
const char *softwareMainVersion;
const char *softwareDevName;
const char *softwareDevContact;
const char *softwareDevCountryCode;
const char *softwareDevTaxNumber;
const char *encodedExchangeToken;
const char *tokenValidityFrom;
const char *tokenValidityTo;
success = FALSE;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Build the following XML:
// Use this online tool to generate code from sample XML:
// Generate Code to Create XML
// <?xml version="1.0" encoding="UTF-8"?>
// <TokenExchangeRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
// <header>
// <requestId>RID896801578348</requestId>
// <timestamp>2019-09-11T10:55:31.440Z</timestamp>
// <requestVersion>2.0</requestVersion>
// <headerVersion>1.0</headerVersion>
// </header>
// <user>
// <login>lwilsmn0uqdxe6u</login>
// <passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
// <taxNumber>11111111</taxNumber>
// <requestSignature>B4B5E0F197BFFD3DF69BCC98D3BE775F65FD5445EEF95C9D6B6C59425F2B81C4F6DA1FD563B0C7E7D98AF1E1725E5C63C2803B5D3A93D1C02ED354AC92F2CC94</requestSignature>
// <!--<signKey>ac-ac3a-7f661bff7d342N43CYX4U9FG</signKey>-->
// </user>
// <software>
// <softwareId>123456789123456789</softwareId>
// <softwareName>string</softwareName>
// <softwareOperation>LOCAL_SOFTWARE</softwareOperation>
// <softwareMainVersion>string</softwareMainVersion>
// <softwareDevName>string</softwareDevName>
// <softwareDevContact>string</softwareDevContact>
// <softwareDevCountryCode>HU</softwareDevCountryCode>
// <softwareDevTaxNumber>string</softwareDevTaxNumber>
// </software>
// </TokenExchangeRequest>
crypt = CkCrypt2_Create();
dtNow = CkDateTime_Create();
CkDateTime_SetFromCurrentSystemTime(dtNow);
printf("%s\n",CkDateTime_getAsTimestamp(dtNow,FALSE));
// The hash algorithm for the password is SHA512 (not SHA3-512).
CkCrypt2_putHashAlgorithm(crypt,"sha512");
CkCrypt2_putEncodingMode(crypt,"hex");
myPassword = "my-password";
passwordHash = CkCrypt2_hashStringENC(crypt,myPassword);
// Generate a random request ID like "RID215118906689"
prng = CkPrng_Create();
sbRequestId = CkStringBuilder_Create();
CkStringBuilder_Append(sbRequestId,"RID");
CkStringBuilder_Append(sbRequestId,CkPrng_randomString(prng,12,TRUE,FALSE,FALSE));
printf("generated requestId = %s\n",CkStringBuilder_getAsString(sbRequestId));
// Calculate the requestSignature
CkCrypt2_putHashAlgorithm(crypt,"sha3-512");
signatureKey = "ce-8f5e-215119fa7dd621DLMRHRLH2S";
sbFinalHashBase = CkStringBuilder_Create();
// First append the timestamp because we are going to remove certain chars/parts.
CkStringBuilder_Append(sbFinalHashBase,CkDateTime_getAsTimestamp(dtNow,FALSE));
numReplaced = CkStringBuilder_Replace(sbFinalHashBase,"Z","");
numReplaced = CkStringBuilder_Replace(sbFinalHashBase,"-","");
numReplaced = CkStringBuilder_Replace(sbFinalHashBase,":","");
numReplaced = CkStringBuilder_Replace(sbFinalHashBase,"T","");
// Prepend the requestId and append the signatureKey
CkStringBuilder_Prepend(sbFinalHashBase,CkStringBuilder_getAsString(sbRequestId));
CkStringBuilder_Append(sbFinalHashBase,signatureKey);
requestSignature = CkCrypt2_hashStringENC(crypt,CkStringBuilder_getAsString(sbFinalHashBase));
xml = CkXml_Create();
CkXml_putTag(xml,"TokenExchangeRequest");
CkXml_AddAttribute(xml,"xmlns","http://schemas.nav.gov.hu/OSA/2.0/api");
CkXml_UpdateChildContent(xml,"header|requestId",CkStringBuilder_getAsString(sbRequestId));
CkXml_UpdateChildContent(xml,"header|timestamp",CkDateTime_getAsTimestamp(dtNow,FALSE));
CkXml_UpdateChildContent(xml,"header|requestVersion","2.0");
CkXml_UpdateChildContent(xml,"header|headerVersion","1.0");
CkXml_UpdateChildContent(xml,"user|login","lwilsmn0uqdxe6u");
CkXml_UpdateChildContent(xml,"user|passwordHash",passwordHash);
CkXml_UpdateChildContent(xml,"user|taxNumber","11111111");
CkXml_UpdateChildContent(xml,"user|requestSignature",requestSignature);
CkXml_UpdateChildContent(xml,"software|softwareId","123456789123456789");
CkXml_UpdateChildContent(xml,"software|softwareName","string");
CkXml_UpdateChildContent(xml,"software|softwareOperation","LOCAL_SOFTWARE");
CkXml_UpdateChildContent(xml,"software|softwareMainVersion","string");
CkXml_UpdateChildContent(xml,"software|softwareDevName","string");
CkXml_UpdateChildContent(xml,"software|softwareDevContact","string");
CkXml_UpdateChildContent(xml,"software|softwareDevCountryCode","HU");
CkXml_UpdateChildContent(xml,"software|softwareDevTaxNumber","string");
// POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange
http = CkHttp_Create();
CkHttp_putAccept(http,"application/xml");
endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange";
resp = CkHttpResponse_Create();
success = CkHttp_HttpStr(http,"POST",endpoint,CkXml_getXml(xml),"utf-8","application/xml",resp);
if (success == FALSE) {
printf("%s\n",CkHttp_lastErrorText(http));
CkCrypt2_Dispose(crypt);
CkDateTime_Dispose(dtNow);
CkPrng_Dispose(prng);
CkStringBuilder_Dispose(sbRequestId);
CkStringBuilder_Dispose(sbFinalHashBase);
CkXml_Dispose(xml);
CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
return;
}
printf("Response status code = %d\n",CkHttpResponse_getStatusCode(resp));
respXml = CkXml_Create();
CkXml_LoadXml(respXml,CkHttpResponse_bodyStr(resp));
printf("Response body:\n");
printf("%s\n",CkXml_getXml(respXml));
// Save our exchange token to a file to be used for subsequent requests.
CkXml_SaveXml(respXml,"qa_data/tokens/nav_exchange_token.xml");
// The result looks like this:
// <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
// <TokenExchangeResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
// <header>
// <requestId>RID789246611489</requestId>
// <timestamp>2020-03-25T14:14:36Z</timestamp>
// <requestVersion>2.0</requestVersion>
// <headerVersion>1.0</headerVersion>
// </header>
// <result>
// <funcCode>OK</funcCode>
// </result>
// <software>
// <softwareId>123456789123456789</softwareId>
// <softwareName>string</softwareName>
// <softwareOperation>LOCAL_SOFTWARE</softwareOperation>
// <softwareMainVersion>string</softwareMainVersion>
// <softwareDevName>string</softwareDevName>
// <softwareDevContact>string</softwareDevContact>
// <softwareDevCountryCode>HU</softwareDevCountryCode>
// <softwareDevTaxNumber>string</softwareDevTaxNumber>
// </software>
// <encodedExchangeToken>2lR5v57Tl ... 9n4tIWCYgjKQ==</encodedExchangeToken>
// <tokenValidityFrom>2020-03-25T15:14:36.987+01:00</tokenValidityFrom>
// <tokenValidityTo>2020-03-25T15:19:36.987+01:00</tokenValidityTo>
// </TokenExchangeResponse>
// Use this online tool to generate parsing code from sample XML:
// Generate Parsing Code from XML
// Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
// See this example explaining how this memory should be used: const char * functions.
TokenExchangeResponse_xmlns = CkXml_getAttrValue(respXml,"xmlns");
TokenExchangeResponse_xmlns_ns2 = CkXml_getAttrValue(respXml,"xmlns:ns2");
requestId = CkXml_getChildContent(respXml,"header|requestId");
timestamp = CkXml_getChildContent(respXml,"header|timestamp");
requestVersion = CkXml_getChildContent(respXml,"header|requestVersion");
headerVersion = CkXml_getChildContent(respXml,"header|headerVersion");
funcCode = CkXml_getChildContent(respXml,"result|funcCode");
softwareId = CkXml_getChildContent(respXml,"software|softwareId");
softwareName = CkXml_getChildContent(respXml,"software|softwareName");
softwareOperation = CkXml_getChildContent(respXml,"software|softwareOperation");
softwareMainVersion = CkXml_getChildContent(respXml,"software|softwareMainVersion");
softwareDevName = CkXml_getChildContent(respXml,"software|softwareDevName");
softwareDevContact = CkXml_getChildContent(respXml,"software|softwareDevContact");
softwareDevCountryCode = CkXml_getChildContent(respXml,"software|softwareDevCountryCode");
softwareDevTaxNumber = CkXml_getChildContent(respXml,"software|softwareDevTaxNumber");
encodedExchangeToken = CkXml_getChildContent(respXml,"encodedExchangeToken");
tokenValidityFrom = CkXml_getChildContent(respXml,"tokenValidityFrom");
tokenValidityTo = CkXml_getChildContent(respXml,"tokenValidityTo");
CkCrypt2_Dispose(crypt);
CkDateTime_Dispose(dtNow);
CkPrng_Dispose(prng);
CkStringBuilder_Dispose(sbRequestId);
CkStringBuilder_Dispose(sbFinalHashBase);
CkXml_Dispose(xml);
CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
CkXml_Dispose(respXml);
}