VB.NET

MyInvois Malaysia Submit Document

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Demonstrates how to submit a document to MyInvois. VB.NET

Dim success As Boolean = False

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

Dim http As New Chilkat.Http

' The following JSON is sent in the request body.

' {
'   "documents": [
'     {
'       "format": "XML",
'       "documentHash": "<SHA256_hash_of_document>",
'       "codeNumber": "INV12345",
'       "document": "<Document_encoded_in_Base64>"
'     }
'   ]
' }

' Load the document to be sent.
Dim sbXmlDoc As New Chilkat.StringBuilder
success = sbXmlDoc.LoadFile("c:/invoices/invoice1.xml","utf-8")

' The MyInvois online documentation neglects to tell us the encoding of the documentHash.
' Should it be base64?  Or hex?  We can only guess.  MyInvois provides no samples,
' and omits these crucial details which are needed for actual implementation.
' 
' *** Note: It was confirmed that "hex" is the encoding that is needed.
Dim sha256 As String = sbXmlDoc.GetHash("sha256","hex","utf-8")

Dim sbEncoded As New Chilkat.StringBuilder
sbEncoded.AppendSb(sbXmlDoc)
sbEncoded.Encode("base64","utf-8")

Dim json As New Chilkat.JsonObject
json.UpdateString("documents[0].format","XML")
json.UpdateString("documents[0].documentHash",sha256)
json.UpdateString("documents[0].codeNumber","INV12345")
json.UpdateSb("documents[0].document",sbEncoded)

' Adds the "Authorization: Bearer <access_token>" header.
http.AuthToken = "<access_token>"

Dim resp As New Chilkat.HttpResponse
success = http.HttpJson("POST","https://preprod-api.myinvois.hasil.gov.my/api/v1.0/documentsubmissions",json,"application/json",resp)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("response status code = " & resp.StatusCode)
Debug.WriteLine(resp.BodyStr)