(AutoIt) Group: Refresh OAuth2 Access Token

Refreshes an expired or non-expired OAuth2 access token for the Microsoft Group REST API.

Note: This example requires Chilkat v11.0.0 or greater.

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

Local $bSuccess = False

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

$oJson = ObjCreate("Chilkat.JsonObject")
$bSuccess = $oJson.LoadFile("qa_data/tokens/msGraphGroup.json")
If ($bSuccess <> True) Then
    Exit
EndIf

$oReq = ObjCreate("Chilkat.HttpRequest")
$oReq.AddParam "grant_type","refresh_token"
$oReq.AddParam "redirect_uri","http://localhost:3017/"
$oReq.AddParam "client_id","MICROSOFT-GRAPH-CLIENT-ID"
$oReq.AddParam "client_secret","MICROSOFT-GRAPH-CLIENT-SECRET"
$oReq.AddParam "refresh_token",$oJson.StringOf("refresh_token")
$oReq.AddParam "scope","openid profile offline_access user.readwrite group.readwrite.all files.readwrite"

$oHttp = ObjCreate("Chilkat.Http")

$oReq.HttpVerb = "POST"
$oReq.ContentType = "application/x-www-form-urlencoded"

$oResp = ObjCreate("Chilkat.HttpResponse")
$bSuccess = $oHttp.HttpReq("https://login.microsoftonline.com/common/oauth2/v2.0/token",$oReq,$oResp)
If ($bSuccess = False) Then
    ConsoleWrite($oHttp.LastErrorText & @CRLF)
    Exit
EndIf

; Load the JSON response.
$oJson.Load($oResp.BodyStr)
$oJson.EmitCompact = False

; Show the JSON response.
ConsoleWrite($oJson.Emit() & @CRLF)

ConsoleWrite("Response status code: " & $oResp.StatusCode & @CRLF)

; If the response status code is not 200, then it's an error.
If ($oResp.StatusCode <> 200) Then
    Exit
EndIf

; Save the refreshed access token JSON to a file for future requests.
$oFac = ObjCreate("Chilkat.FileAccess")
$oFac.WriteEntireTextFile("qa_data/tokens/msGraphGroup.json",$oJson.Emit(),"utf-8",False)

ConsoleWrite("Success." & @CRLF)