Android™
Android™
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 Android™ Downloads
// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;
import android.app.Activity;
import com.chilkatsoft.*;
import android.widget.TextView;
import android.os.Bundle;
public class SimpleActivity extends Activity {
private static final String TAG = "Chilkat";
// Called when the activity is first created.
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
boolean 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>
CkCrypt2 crypt = new CkCrypt2();
CkDateTime dtNow = new CkDateTime();
dtNow.SetFromCurrentSystemTime();
Log.i(TAG, dtNow.getAsTimestamp(false));
// The hash algorithm for the password is SHA512 (not SHA3-512).
crypt.put_HashAlgorithm("sha512");
crypt.put_EncodingMode("hex");
String myPassword = "my-password";
String passwordHash = crypt.hashStringENC(myPassword);
// Generate a random request ID like "RID215118906689"
CkPrng prng = new CkPrng();
CkStringBuilder sbRequestId = new CkStringBuilder();
sbRequestId.Append("RID");
sbRequestId.Append(prng.randomString(12,true,false,false));
Log.i(TAG, "generated requestId = " + sbRequestId.getAsString());
// Calculate the requestSignature
crypt.put_HashAlgorithm("sha3-512");
String signatureKey = "ce-8f5e-215119fa7dd621DLMRHRLH2S";
CkStringBuilder sbFinalHashBase = new CkStringBuilder();
// First append the timestamp because we are going to remove certain chars/parts.
sbFinalHashBase.Append(dtNow.getAsTimestamp(false));
int numReplaced = sbFinalHashBase.Replace("Z","");
numReplaced = sbFinalHashBase.Replace("-","");
numReplaced = sbFinalHashBase.Replace(":","");
numReplaced = sbFinalHashBase.Replace("T","");
// Prepend the requestId and append the signatureKey
sbFinalHashBase.Prepend(sbRequestId.getAsString());
sbFinalHashBase.Append(signatureKey);
String requestSignature = crypt.hashStringENC(sbFinalHashBase.getAsString());
CkXml xml = new CkXml();
xml.put_Tag("TokenExchangeRequest");
xml.AddAttribute("xmlns","http://schemas.nav.gov.hu/OSA/2.0/api");
xml.UpdateChildContent("header|requestId",sbRequestId.getAsString());
xml.UpdateChildContent("header|timestamp",dtNow.getAsTimestamp(false));
xml.UpdateChildContent("header|requestVersion","2.0");
xml.UpdateChildContent("header|headerVersion","1.0");
xml.UpdateChildContent("user|login","lwilsmn0uqdxe6u");
xml.UpdateChildContent("user|passwordHash",passwordHash);
xml.UpdateChildContent("user|taxNumber","11111111");
xml.UpdateChildContent("user|requestSignature",requestSignature);
xml.UpdateChildContent("software|softwareId","123456789123456789");
xml.UpdateChildContent("software|softwareName","string");
xml.UpdateChildContent("software|softwareOperation","LOCAL_SOFTWARE");
xml.UpdateChildContent("software|softwareMainVersion","string");
xml.UpdateChildContent("software|softwareDevName","string");
xml.UpdateChildContent("software|softwareDevContact","string");
xml.UpdateChildContent("software|softwareDevCountryCode","HU");
xml.UpdateChildContent("software|softwareDevTaxNumber","string");
// POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange
CkHttp http = new CkHttp();
http.put_Accept("application/xml");
String endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange";
CkHttpResponse resp = new CkHttpResponse();
success = http.HttpStr("POST",endpoint,xml.getXml(),"utf-8","application/xml",resp);
if (success == false) {
Log.i(TAG, http.lastErrorText());
return;
}
Log.i(TAG, "Response status code = " + String.valueOf(resp.get_StatusCode()));
CkXml respXml = new CkXml();
respXml.LoadXml(resp.bodyStr());
Log.i(TAG, "Response body:");
Log.i(TAG, respXml.getXml());
// Save our exchange token to a file to be used for subsequent requests.
respXml.SaveXml("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
String TokenExchangeResponse_xmlns = respXml.getAttrValue("xmlns");
String TokenExchangeResponse_xmlns_ns2 = respXml.getAttrValue("xmlns:ns2");
String requestId = respXml.getChildContent("header|requestId");
String timestamp = respXml.getChildContent("header|timestamp");
String requestVersion = respXml.getChildContent("header|requestVersion");
String headerVersion = respXml.getChildContent("header|headerVersion");
String funcCode = respXml.getChildContent("result|funcCode");
String softwareId = respXml.getChildContent("software|softwareId");
String softwareName = respXml.getChildContent("software|softwareName");
String softwareOperation = respXml.getChildContent("software|softwareOperation");
String softwareMainVersion = respXml.getChildContent("software|softwareMainVersion");
String softwareDevName = respXml.getChildContent("software|softwareDevName");
String softwareDevContact = respXml.getChildContent("software|softwareDevContact");
String softwareDevCountryCode = respXml.getChildContent("software|softwareDevCountryCode");
String softwareDevTaxNumber = respXml.getChildContent("software|softwareDevTaxNumber");
String encodedExchangeToken = respXml.getChildContent("encodedExchangeToken");
String tokenValidityFrom = respXml.getChildContent("tokenValidityFrom");
String tokenValidityTo = respXml.getChildContent("tokenValidityTo");
}
static {
System.loadLibrary("chilkat");
// Note: If the incorrect library name is passed to System.loadLibrary,
// then you will see the following error message at application startup:
//"The application <your-application-name> has stopped unexpectedly. Please try again."
}
}