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Salesforce OAuth2 Access Token

See more OAuth2 Examples

Demonstrates how to get a Salesforce OAuth2 access token from a desktop application or script.

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Local $bSuccess = False

; To further clarify, see OAuth 2.0 Authorization Flow

$oOauth2 = ObjCreate("Chilkat.OAuth2")

; This should be the port in the localhost callback URL for your connected app.  
; The callback URL would look like "http://localhost:3017/" if the port number is 3017.
$oOauth2.ListenPort = 3017

$oOauth2.AuthorizationEndpoint = "https://login.salesforce.com/services/oauth2/authorize"
$oOauth2.TokenEndpoint = "https://login.salesforce.com/services/oauth2/token"

; Replace this with your actual client ID (Consumer Key)
$oOauth2.ClientId = "CLIENT_ID"

; We don't have to include the client secret.
; See the screenshot of our Connected App below..

; This is for Require Proof Key for Code Exchange (PKCE)
; See OAuth2 PKCE Explained
$oOauth2.CodeChallenge = True
$oOauth2.CodeChallengeMethod = "S256"

; To force the OAuth consent screen to reappear (even if previously granted), use:
$oOauth2.AddAuthQueryParam("prompt","consent")

; Begin the OAuth2 authorization flow.  This returns a URL that should be loaded in a browser.
Local $sUrl = $oOauth2.StartAuth()
If ($oOauth2.LastMethodSuccess <> True) Then
    ConsoleWrite($oOauth2.LastErrorText & @CRLF)
    Exit
EndIf

; Launch the default browser on the system and navigate to the url.
; The LaunchBrowser method was added in Chilkat v10.1.2.
$bSuccess = $oOauth2.LaunchBrowser($sUrl)
If ($bSuccess = False) Then
    ConsoleWrite($oOauth2.LastErrorText & @CRLF)
    Exit
EndIf

; Wait for the user to approve or deny authorization in the browser.
Local $iNumMsWaited = 0
While ($iNumMsWaited < 90000) And ($oOauth2.AuthFlowState < 3)
    $oOauth2.SleepMs 100
    $iNumMsWaited = $iNumMsWaited + 100
Wend

; If the browser does not respond within the specified time, AuthFlowState will be:
; 
; 1: Waiting for Redirect – The OAuth2 background thread is waiting for the browser's redirect request.
; 2: Waiting for Final Response – The thread is awaiting the final access token response.
; In either case, cancel the background task initiated by StartAuth.

If ($oOauth2.AuthFlowState < 3) Then
    $oOauth2.Cancel()
    ConsoleWrite("No response from the browser!" & @CRLF)
    Exit
EndIf

; Check AuthFlowState to determine if authorization was granted, denied, or failed:
; 
; 3: Success – OAuth2 flow completed, the background thread exited, and the successful response is in AccessTokenResponse.
; 4: Access Denied – OAuth2 flow completed, the background thread exited, and the error response is in AccessTokenResponse.
; 5: Failure – OAuth2 flow failed before completion, the background thread exited, and error details are in FailureInfo.

If ($oOauth2.AuthFlowState = 5) Then
    ConsoleWrite("OAuth2 failed to complete." & @CRLF)
    ConsoleWrite($oOauth2.FailureInfo & @CRLF)
    Exit
EndIf

If ($oOauth2.AuthFlowState = 4) Then
    ConsoleWrite("OAuth2 authorization was denied." & @CRLF)
    ConsoleWrite($oOauth2.AccessTokenResponse & @CRLF)
    Exit
EndIf

If ($oOauth2.AuthFlowState <> 3) Then
    ConsoleWrite("Unexpected AuthFlowState:" & $oOauth2.AuthFlowState & @CRLF)
    Exit
EndIf

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

; Save the full JSON access token response to a file.
$oSbJson = ObjCreate("Chilkat.StringBuilder")
$oSbJson.Append($oOauth2.AccessTokenResponse)
$oSbJson.WriteFile("qa_data/tokens/_salesforce.json","utf-8",False)

; The saved JSON response looks like this:

; {
;   "access_token": "00D41000....uLZBpT6",
;   "refresh_token": "5Aep....25xdGgkrV",
;   "signature": "cjTbSc5DvcKpaMoRTzuQTJLb1tcMw8LEO01flq4aMD4=",
;   "scope": "refresh_token id",
;   "instance_url": "https://d41000000f8a0eak-dev-ed.my.salesforce.com",
;   "id": "https://login.salesforce.com/id/00D41000000F8A0EAK/005410000....xAAE",
;   "token_type": "Bearer",
;   "issued_at": "1738348388166"
; }

; --------------------------------------------------------------------------
; Here's a screenshot of a Salesforce Connected App 
; with the correct Callback URL for this example,
; and also selects "Require Proof Key for Code Exchange (PKCE)"
; and does not requires the secret for the authorization or refresh flow,
; and also allows for the Client Credentials flow.
; image