(VBScript) Banco Inter OAuth2 Client Credentials

Generate an OAuth2 access token needed to consume the Inter APIs.

For more information, see https://developers.bancointer.com.br/reference/token-3

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

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

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Http")
set http = CreateObject("Chilkat.Http")

' First load the certificate and private key, and set as the HTTP object's client certificate.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert")
set cert = CreateObject("Chilkat.Cert")
success = cert.LoadFromFile("<nome arquivo certificado>.crt")
If (success = 0) Then
    outFile.WriteLine(cert.LastErrorText)
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.BinData")
set bdPrivKey = CreateObject("Chilkat.BinData")
success = bdPrivKey.LoadFile("<nome arquivo chave privada>.key")
If (success = 0) Then
    outFile.WriteLine("Failed to load <nome")
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PrivateKey")
set privKey = CreateObject("Chilkat.PrivateKey")
success = privKey.LoadAnyFormat(bdPrivKey,"")
If (success = 0) Then
    outFile.WriteLine(privKey.LastErrorText)
    WScript.Quit
End If

success = cert.SetPrivateKey(privKey)
If (success = 0) Then
    outFile.WriteLine(cert.LastErrorText)
    WScript.Quit
End If

success = http.SetSslClientCert(cert)
If (success = 0) Then
    outFile.WriteLine(http.LastErrorText)
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.HttpRequest")
set req = CreateObject("Chilkat.HttpRequest")
req.HttpVerb = "POST"
req.Path = "/oauth/v2/token"
req.ContentType = "application/x-www-form-urlencoded"
req.AddParam "grant_type","client_credentials"
' Requested scopes in OAuth2 are typically SPACE separated.
req.AddParam "scope","boleto-cobranca.read boleto-cobranca.write"
req.AddHeader "accept","application/json"

' resp is a Chilkat.HttpResponse
Set resp = http.PostUrlEncoded("https://cdpj.partners.bancointer.com.br/oauth/v2/token",req)
If (http.LastMethodSuccess = 0) Then
    outFile.WriteLine(http.LastErrorText)
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set jResp = CreateObject("Chilkat.JsonObject")
success = resp.GetBodyJson(jResp)
jResp.EmitCompact = 0

outFile.WriteLine("Response Body:")
outFile.WriteLine(jResp.Emit())

respStatusCode = resp.StatusCode
outFile.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    outFile.WriteLine("Response Header:")
    outFile.WriteLine(resp.Header)
    outFile.WriteLine("Failed.")

    WScript.Quit
End If

success = jResp.WriteFile("qa_data/tokens/banco_inter_client_credentials.json")
If (success = 0) Then
    outFile.WriteLine("Failed to save JSON access token file.")
    WScript.Quit
End If

outFile.WriteLine("Success.")

outFile.Close