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(Chilkat2-Python) Hungary NAV Manage Invoice Request

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

Note: This example requires Chilkat v9.5.0.83 or greater.

For more information, see https://onlineszamla.nav.gov.hu/api/files/container/download/Online%20Szamla_Interfesz%20specifik%C3%A1ci%C3%B3_EN_v2.0.pdf

Chilkat2 Python Downloads

Python Module for Windows, Linux, Alpine Linux, MacOS, Solaris

import sys
import chilkat2

# 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"?>
# <ManageInvoiceRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
# 	<header>
# 		<requestId>RID181837288942</requestId>
# 		<timestamp>2019-09-11T12:44:55.442Z</timestamp>
# 		<requestVersion>2.0</requestVersion>
# 		<headerVersion>1.0</headerVersion>
# 	</header>
# 	<user>
# 		<login>lwilsmn0uqdxe6u</login>
# 		<passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
# 		<taxNumber>11111111</taxNumber>
# 		<requestSignature>E4D191A48EE8828A1E84C1F841A2B4E1699ECB49C4CDA1DC7A057765FD935872219644CC2B5A93B8A344404E4FD8ECA4902B5DBCF993E768DC558B0F0281E775</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>
# 	<exchangeToken>b1aca173-d9e8-4561-9237-0511eed99eaa2P0ZHLXBRI2U</exchangeToken>
# 	<invoiceOperations>
# 		<compressedContent>false</compressedContent>
# 		<invoiceOperation>
# 			<index>1</index>
# 			<invoiceOperation>CREATE</invoiceOperation>
# 			<invoiceData>base64 contents of invoiceData1 XML file</invoiceData>
# 		</invoiceOperation>
# 		<invoiceOperation>
# 			<index>2</index>
# 			<invoiceOperation>CREATE</invoiceOperation>
# 			<invoiceData>base64 contents of invoiceData2 XML file</invoiceData>
# 		</invoiceOperation>
# 		<invoiceOperation>
# 			<index>3</index>
# 			<invoiceOperation>CREATE</invoiceOperation>
# 			<invoiceData>base64 contents of invoiceData3 XML file</invoiceData>
# 		</invoiceOperation>
# 	</invoiceOperations>
# </ManageInvoiceRequest>
# 

# First load the invoiceData for the 3 XML invoice files we'll be sending.
bdInvoiceData1 = chilkat2.BinData()
bdInvoiceData2 = chilkat2.BinData()
bdInvoiceData3 = chilkat2.BinData()
success = bdInvoiceData1.LoadFile("qa_data/nav_invoicing/invoiceData1.xml")
success = bdInvoiceData2.LoadFile("qa_data/nav_invoicing/invoiceData2.xml")
success = bdInvoiceData3.LoadFile("qa_data/nav_invoicing/invoiceData3.xml")
if (success == False):
    print("Failed to load invoice data.")
    sys.exit()

crypt = chilkat2.Crypt2()

dtNow = chilkat2.CkDateTime()
dtNow.SetFromCurrentSystemTime()
print(dtNow.GetAsTimestamp(False))

# The hash algorithm for the password is SHA512 (not SHA3-512).
crypt.HashAlgorithm = "sha512"
crypt.EncodingMode = "hex"
myPassword = "my-password"
passwordHash = crypt.HashStringENC(myPassword)

# Generate a random request ID like "RID215118906689"
prng = chilkat2.Prng()
sbRequestId = chilkat2.StringBuilder()
sbRequestId.Append("RID")
sbRequestId.Append(prng.RandomString(12,True,False,False))
print("generated requestId = " + sbRequestId.GetAsString())

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

sbFinalHashBase = chilkat2.StringBuilder()

# First append the timestamp because we are going to remove certain chars/parts.
sbFinalHashBase.Append(dtNow.GetAsTimestamp(False))
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)

# Calculate each index hash and add it to the sbFinalHashBase
sbHashBase = chilkat2.StringBuilder()
sbHashBase.Append("CREATE")
sbHashBase.Append(bdInvoiceData1.GetEncoded("base64"))
indexHash = crypt.HashStringENC(sbHashBase.GetAsString())
sbFinalHashBase.Append(indexHash)

sbHashBase.Clear()
sbHashBase.Append("CREATE")
sbHashBase.Append(bdInvoiceData2.GetEncoded("base64"))
indexHash = crypt.HashStringENC(sbHashBase.GetAsString())
sbFinalHashBase.Append(indexHash)

sbHashBase.Clear()
sbHashBase.Append("CREATE")
sbHashBase.Append(bdInvoiceData3.GetEncoded("base64"))
indexHash = crypt.HashStringENC(sbHashBase.GetAsString())
sbFinalHashBase.Append(indexHash)

# Get our request signature (using sha3-512 because our HashAlgorithm was set to "sha3-512" up above...)
requestSignature = crypt.HashStringENC(sbFinalHashBase.GetAsString())

# Load our recently obtained exchange token.
# See Hungary NAV Invoicing Token Exchange Sample Code
xmlExchangeToken = chilkat2.Xml()
success = xmlExchangeToken.LoadXmlFile("qa_data/tokens/nav_exchange_token.xml")
if (success == False):
    print(xmlExchangeToken.LastErrorText)
    sys.exit()

# Get the base64 encoded/encrypted exchange token.
# IMPORTANT:  Make sure to use the exchange token before it expires.
# If it expired, then get a new one..
encodedEncryptedExchangeToken = xmlExchangeToken.GetChildContent("encodedExchangeToken")

# Decode to binary.
bdExchangeToken = chilkat2.BinData()
bdExchangeToken.AppendEncoded(encodedEncryptedExchangeToken,"base64")

# Decrypt using your 16-digit replacement key:
crypt.CryptAlgorithm = "aes"
crypt.CipherMode = "ecb"
crypt.KeyLength = 128
crypt.EncodingMode = "base64"
# Pass your 16-digit replacement key here:
crypt.SetEncodedKey("99952BBAAAAA8XYZ","ascii")
crypt.DecryptBd(bdExchangeToken)
exchangeToken = bdExchangeToken.GetString("utf-8")
print("exchange token = " + exchangeToken)

# Now build the XML..
xml = chilkat2.Xml()
xml.Tag = "ManageInvoiceRequest"
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")
xml.UpdateChildContent("exchangeToken",exchangeToken)
xml.UpdateChildContent("invoiceOperations|compressedContent","false")
xml.UpdateChildContent("invoiceOperations|invoiceOperation|index","1")
xml.UpdateChildContent("invoiceOperations|invoiceOperation|invoiceOperation","CREATE")
xml.UpdateChildContent("invoiceOperations|invoiceOperation|invoiceData",bdInvoiceData1.GetEncoded("base64"))
xml.UpdateChildContent("invoiceOperations|invoiceOperation[1]|index","2")
xml.UpdateChildContent("invoiceOperations|invoiceOperation[1]|invoiceOperation","CREATE")
xml.UpdateChildContent("invoiceOperations|invoiceOperation[1]|invoiceData",bdInvoiceData2.GetEncoded("base64"))
xml.UpdateChildContent("invoiceOperations|invoiceOperation[2]|index","3")
xml.UpdateChildContent("invoiceOperations|invoiceOperation[2]|invoiceOperation","CREATE")
xml.UpdateChildContent("invoiceOperations|invoiceOperation[2]|invoiceData",bdInvoiceData3.GetEncoded("base64"))

# POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageInvoice
http = chilkat2.Http()
http.Accept = "application/xml"
http.SetRequestHeader("Content-Type","application/xml")
endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageInvoice"
# resp is a CkHttpResponse
resp = http.PostXml(endpoint,xml.GetXml(),"utf-8")
if (http.LastMethodSuccess == False):
    print(http.LastErrorText)
    sys.exit()

print("Response status code = " + str(resp.StatusCode))

respXml = chilkat2.Xml()
respXml.LoadXml(resp.BodyStr)
print("Response body:")
print(respXml.GetXml())

# The result looks like this:

# <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
# <ManageInvoiceResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
#     <header>
#         <requestId>RID871830318143</requestId>
#         <timestamp>2020-03-25T15:51:25Z</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>
#     <transactionId>2WT9GFSKFUU1V4XP</transactionId>
# </ManageInvoiceResponse>

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

ManageInvoiceResponse_xmlns = respXml.GetAttrValue("xmlns")
ManageInvoiceResponse_xmlns_ns2 = respXml.GetAttrValue("xmlns:ns2")
requestId = respXml.GetChildContent("header|requestId")
timestamp = respXml.GetChildContent("header|timestamp")
requestVersion = respXml.GetChildContent("header|requestVersion")
headerVersion = respXml.GetChildContent("header|headerVersion")
funcCode = respXml.GetChildContent("result|funcCode")
softwareId = respXml.GetChildContent("software|softwareId")
softwareName = respXml.GetChildContent("software|softwareName")
softwareOperation = respXml.GetChildContent("software|softwareOperation")
softwareMainVersion = respXml.GetChildContent("software|softwareMainVersion")
softwareDevName = respXml.GetChildContent("software|softwareDevName")
softwareDevContact = respXml.GetChildContent("software|softwareDevContact")
softwareDevCountryCode = respXml.GetChildContent("software|softwareDevCountryCode")
softwareDevTaxNumber = respXml.GetChildContent("software|softwareDevTaxNumber")
transactionId = respXml.GetChildContent("transactionId")

 

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