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Dynamics CRM Oauth2 Client Credentials

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Get an OAuth2 access token for Dynamics CRM using client credentials. AutoIt

Local $bSuccess = False

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

$oHttp = ObjCreate("Chilkat.Http")

; Pass the client ID/secret using Basic HTTP authentication.
$oHttp.Login = "CLIENT_ID"
$oHttp.Password = "CLIENT_SECRET"
$oHttp.BasicAuth = True

$oReq = ObjCreate("Chilkat.HttpRequest")
$oReq.AddParam "client_secret","CLIENT_SECRET"
$oReq.AddParam "client_id","CLIENT_ID"
$oReq.AddParam "scope","https://yourdynamicsdomain.crm3.dynamics.com/.default"
$oReq.AddParam "grant_type","client_credentials"

; Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
Local $sUrl = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token"
$oReq.HttpVerb = "POST"
$oReq.ContentType = "application/x-www-form-urlencoded"

$oResp = ObjCreate("Chilkat.HttpResponse")
$bSuccess = $oHttp.HttpReq($sUrl,$oReq,$oResp)
If ($bSuccess = False) Then
    ConsoleWrite($oHttp.LastErrorText & @CRLF)
    Exit
EndIf

Local $iStatusCode = $oResp.StatusCode
ConsoleWrite("Response status code = " & $iStatusCode & @CRLF)

$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.Load($oResp.BodyStr)

$oJson.EmitCompact = False
ConsoleWrite($oJson.Emit() & @CRLF)

If ($iStatusCode = 200) Then
    $oJson.WriteFile("qa_data/tokens/dynamicsCrmClientCredentialsToken.json")
    ConsoleWrite("Success." & @CRLF)
Else
    ConsoleWrite("Failed." & @CRLF)
EndIf