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Lua Requires Chilkat v11.0.0+

Hungary NAV Query Taxpayer

See more Hungary NAV Invoicing Examples

Demonstrates the queryTaxpayer request for the Hungarian NAV Online Invoicing System REST API v2.0.

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Lua
local chilkat = require("chilkat")

-- This example assumes the Chilkat API to have been previously unlocked.
-- See Global Unlock Sample for sample code.

-- Build the following XML:

-- <?xml version="1.0" encoding="UTF-8"?>
-- <QueryTaxpayerRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
--     <header>
--         <requestId>RID215118906689</requestId>
--         <timestamp>2019-09-11T11:11:08.579Z</timestamp>
--         <requestVersion>2.0</requestVersion>
--         <headerVersion>1.0</headerVersion>
--     </header>
--     <user>
--         <login>lwilsmn0uqdxe6u</login>
--         <passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
--         <taxNumber>11111111</taxNumber>
--         <requestSignature>C5ADE8A2231C509D2887E6C2C4406CC5F72CA25B070AD3E94FADFA3F91A8A3667AF882DEDC7D67E9086E3D34A95886E929ACD8C924CD1E8357C89BEF43BA9126</requestSignature>
--     </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>
--     <taxNumber>22222222</taxNumber>
-- </QueryTaxpayerRequest>

local crypt = chilkat.Crypt2.new()

local dtNow = chilkat.DateTime.new()
dtNow:set_from_current_system_time()
print(dtNow:get_as_timestamp(false))

-- The hash algorithm for the password is SHA512 (not SHA3-512).
crypt.hash_algorithm = "sha512"
crypt.encoding_mode = "hex"
local myPassword = "my-password"
local passwordHash = crypt:hash_string_enc(myPassword)

-- Generate a random request ID like "RID215118906689"
local prng = chilkat.Prng.new()
local sbRequestId = chilkat.StringBuilder.new()
sbRequestId:append("RID")
sbRequestId:append(prng:random_string(12, true, false, false))
print("generated requestId = " .. sbRequestId:get_as_string())

-- Calculate the requestSignature
crypt.hash_algorithm = "sha3-512"
local signatureKey = "ce-8f5e-215119fa7dd621DLMRHRLH2S"

local sbFinalHashBase = chilkat.StringBuilder.new()

-- First append the timestamp because we are going to remove certain chars/parts.
sbFinalHashBase:append(dtNow:get_as_timestamp(false))
local numReplaced = sbFinalHashBase:replace("Z", "")
numReplaced = sbFinalHashBase:replace("-", "")
numReplaced = sbFinalHashBase:replace(":", "")
numReplaced = sbFinalHashBase:replace("T", "")

-- Prepend the requestId and append the signatureKey
sbFinalHashBase:prepend(sbRequestId:get_as_string())
sbFinalHashBase:append(signatureKey)

local requestSignature = crypt:hash_string_enc(sbFinalHashBase:get_as_string())

local xml = chilkat.Xml.new()
xml.tag = "QueryTaxpayerRequest"
xml:add_attribute("xmlns", "http://schemas.nav.gov.hu/OSA/2.0/api")
xml:update_child_content("header|requestId", sbRequestId:get_as_string())
xml:update_child_content("header|timestamp", dtNow:get_as_timestamp(false))
xml:update_child_content("header|requestVersion", "2.0")
xml:update_child_content("header|headerVersion", "1.0")
xml:update_child_content("user|login", "lwilsmn0uqdxe6u")
xml:update_child_content("user|passwordHash", passwordHash)
xml:update_child_content("user|taxNumber", "11111111")
xml:update_child_content("user|requestSignature", requestSignature)
xml:update_child_content("software|softwareId", "123456789123456789")
xml:update_child_content("software|softwareName", "string")
xml:update_child_content("software|softwareOperation", "LOCAL_SOFTWARE")
xml:update_child_content("software|softwareMainVersion", "string")
xml:update_child_content("software|softwareDevName", "string")
xml:update_child_content("software|softwareDevContact", "string")
xml:update_child_content("software|softwareDevCountryCode", "HU")
xml:update_child_content("software|softwareDevTaxNumber", "string")
xml:update_child_content("taxNumber", "22222222")

-- POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer
local http = chilkat.Http.new()
http.accept = "application/xml"
local endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer"
local resp = chilkat.HttpResponse.new()
local success = http:http_str("POST", endpoint, xml:get_xml(), "utf-8", "application/xml", resp)
if not success then
    print(http.last_error_text)
    return
end

print("Response status code = " .. resp.status_code)

local respXml = chilkat.Xml.new()
respXml:load_xml(resp.body_str)
print("Response body:")
print(respXml:get_xml())

-- The result looks like this:

-- <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-- <QueryTaxpayerResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
--     <header>
--         <requestId>RID847153193061</requestId>
--         <timestamp>2020-03-24T16:00:34Z</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>
--     <infoDate>1993-01-01T00:00:00.000+01:00</infoDate>
--     <taxpayerValidity>true</taxpayerValidity>
--     <taxpayerData>
--         <taxpayerName>some taxpayer name</taxpayerName>
--         <taxNumberDetail>
--             <ns2:taxpayerId>22222222</ns2:taxpayerId>
--             <ns2:vatCode>2</ns2:vatCode>
--         </taxNumberDetail>
--         <taxpayerAddressList>
--             <taxpayerAddressItem>
--                 <taxpayerAddressType>HQ</taxpayerAddressType>
--                 <taxpayerAddress>
--                     <ns2:countryCode>HU</ns2:countryCode>
--                     <ns2:postalCode>1121</ns2:postalCode>
--                     <ns2:city>BUDAPEST 12</ns2:city>
--                     <ns2:streetName>ABCD</ns2:streetName>
--                     <ns2:publicPlaceCategory>UTCA</ns2:publicPlaceCategory>
--                     <ns2:number>20</ns2:number>
--                 </taxpayerAddress>
--             </taxpayerAddressItem>
--         </taxpayerAddressList>
--     </taxpayerData>
-- </QueryTaxpayerResponse>

-- Use this online tool to generate parsing code from sample XML:
-- Generate Parsing Code from XML

local QueryTaxpayerResponse_xmlns = respXml:get_attr_value("xmlns")
local QueryTaxpayerResponse_xmlns_ns2 = respXml:get_attr_value("xmlns:ns2")
local requestId = respXml:get_child_content("header|requestId")
local timestamp = respXml:get_child_content("header|timestamp")
local requestVersion = respXml:get_child_content("header|requestVersion")
local headerVersion = respXml:get_child_content("header|headerVersion")
local funcCode = respXml:get_child_content("result|funcCode")
local softwareId = respXml:get_child_content("software|softwareId")
local softwareName = respXml:get_child_content("software|softwareName")
local softwareOperation = respXml:get_child_content("software|softwareOperation")
local softwareMainVersion = respXml:get_child_content("software|softwareMainVersion")
local softwareDevName = respXml:get_child_content("software|softwareDevName")
local softwareDevContact = respXml:get_child_content("software|softwareDevContact")
local softwareDevCountryCode = respXml:get_child_content("software|softwareDevCountryCode")
local softwareDevTaxNumber = respXml:get_child_content("software|softwareDevTaxNumber")
local infoDate = respXml:get_child_content("infoDate")
local taxpayerValidity = respXml:get_child_content("taxpayerValidity")
local taxpayerName = respXml:get_child_content("taxpayerData|taxpayerName")
local ns2_taxpayerId = respXml:get_child_int_value("taxpayerData|taxNumberDetail|ns2:taxpayerId")
local ns2_vatCode = respXml:get_child_int_value("taxpayerData|taxNumberDetail|ns2:vatCode")
local taxpayerAddressType = respXml:get_child_content("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddressType")
local ns2_countryCode = respXml:get_child_content("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:countryCode")
local ns2_postalCode = respXml:get_child_int_value("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:postalCode")
local ns2_city = respXml:get_child_content("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:city")
local ns2_streetName = respXml:get_child_content("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:streetName")
local ns2_publicPlaceCategory = respXml:get_child_content("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:publicPlaceCategory")
local ns2_number = respXml:get_child_int_value("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:number")