AutoIt

Docusign Refresh OAuth2 Access Token

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Demonstrates how to refresh a Docusign OAuth2 access token. The refresh does not require user interaction via a web browser. If an access token expires (typically with a 401 response code), a new access token can be automatically obtained by using the code in this example. AutoIt

Local $bSuccess = False

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

; It is assumed we previously obtained an OAuth2 access token.
; This example loads the JSON access token file 
; saved by this example: Get Docusign OAuth2 Access Token

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

; The access token JSON looks like this:

; {
;   "access_token": "eyJ0eXA....YQyig",
;   "token_type": "Bearer",
;   "refresh_token": "eyJ0eXA....auE3eHKg",
;   "expires_in": 28800
; }

$oOauth2 = ObjCreate("Chilkat.OAuth2")

; For the developer sandbox environment, the token endpoint is https://account-d.docusign.com/oauth/token
; For the production platform, the token endpoint is https://account.docusign.com/oauth/token
$oOauth2.TokenEndpoint = "https://account-d.docusign.com/oauth/token"

; Replace these with actual values.
; The client ID is also known as the "integration key" in Docusign.
$oOauth2.ClientId = "MY_DOCUSIGN_CLIENT_ID"
; This is your secret key for the authorization code grant.
$oOauth2.ClientSecret = "MY_DOCUSIGN_CLIENT_SECRET"

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

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

ConsoleWrite("New access token: " & $oOauth2.AccessToken & @CRLF)
ConsoleWrite("New refresh token: " & $oOauth2.RefreshToken & @CRLF)

; Update the JSON with the new tokens.
$oJsonToken.UpdateString("access_token",$oOauth2.AccessToken)
$oJsonToken.UpdateString("refresh_token",$oOauth2.RefreshToken)

; Save the new JSON access token response to a file.
$oSbJson = ObjCreate("Chilkat.StringBuilder")
$oJsonToken.EmitCompact = False
$oJsonToken.EmitSb($oSbJson)
$oSbJson.WriteFile("qa_data/tokens/docusign.json","utf-8",False)

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