(VBScript) Moody's REST API - Get OAuth2 Token

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Demonstrates how to get an OAuth2 access token for the Moody's REST API.

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")

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.HttpRequest")
set req = CreateObject("Chilkat.HttpRequest")
req.AddParam "grant_type","password"
req.AddParam "scope","api/ratings api/addin rest"
req.AddParam "username","my_username"
req.AddParam "password","my_password"
' I have no idea of where to get the client_id or client_secret.
' When you create a Moody's App, it only provides an "API Key".
req.AddParam "client_id","my_client_id"
req.AddParam "client_secret","my_client_secret"

' resp is a Chilkat.HttpResponse
Set resp = http.PostUrlEncoded("https://api.moodys.com/OAuth/Token",req)
If (http.LastMethodSuccess <> 1) Then
    outFile.WriteLine(http.LastErrorText)
    WScript.Quit
End If

outFile.WriteLine("status code = " & resp.StatusCode)
responseBody = resp.BodyStr
outFile.WriteLine(responseBody)

' Save the JSON to a file for future requests.
If (resp.StatusCode = 200) Then
    ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.FileAccess")
    set fac = CreateObject("Chilkat.FileAccess")
    success = fac.WriteEntireTextFile("qa_data/tokens/moodys.json",resp.BodyStr,"utf-8",0)
End If


outFile.Close