(AutoIt) Okta: Refresh Access Token with the Auth Code Flow

Demonstrates how to refresh a token that was obtained using the authorization code flow.

For more information, see https://developer.okta.com/docs/guides/implement-auth-code-pkce/use-flow/

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

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

; See Get Okta Access Token using Authorization Code Flow with PKCE 
; for sample code showing how to obtain an Okta access token using the authorization code flow for native apps (with PKCE).

$oJsonToken = ObjCreate("Chilkat.JsonObject")
Local $bSuccess = $oJsonToken.LoadFile("qa_data/tokens/okta.json")
If ($bSuccess <> True) Then
    ConsoleWrite("Failed to load myob.json" & @CRLF)
    Exit
EndIf

$oOauth2 = ObjCreate("Chilkat.OAuth2")

$oOauth2.TokenEndpoint = "https://{yourOktaDomain}/oauth2/default/v1/token"

; Replace these with actual values.
$oOauth2.ClientId = "OKTA_CLIENT_ID"
$oOauth2.ClientSecret = "OKTA_CLIENT_SECRET"

; Get the "refresh_token"
$oOauth2.RefreshToken = $oJsonToken.StringOf("refresh_token")

; Send the HTTP POST to refresh the access token..
$oOauth2.VerboseLogging = True
$bSuccess = $oOauth2.RefreshAccessToken()
If ($bSuccess <> True) Then
    ConsoleWrite($oOauth2.LastErrorText & @CRLF)
    Exit
EndIf

; Load the access token response into the json object 
$oJsonToken.Load($oOauth2.AccessTokenResponse)

; Save the new JSON access token response to a file.
; The access + refresh tokens contained in this JSON will be needed for the next refresh.
$oSbJson = ObjCreate("Chilkat.StringBuilder")
$oJsonToken.EmitCompact = False
$oJsonToken.EmitSb($oSbJson)
$oSbJson.WriteFile("qa_data/tokens/okta.json","utf-8",False)

ConsoleWrite("OAuth2 authorization granted!" & @CRLF)
ConsoleWrite("New Access Token = " & $oOauth2.AccessToken & @CRLF)