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Refresh Wish for Merchants OAuth2 Access Token

Demonstrates how to refresh a Wish OAuth2 access token.
Note: This example requires Chilkat v9.5.0.85.
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Local $bSuccess = False

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

; See Get Wish OAuth2 Access Token 
; for sample code showing how to obtain a Wish access token for desktop apps.

; This example assumes we previously obtained an OAuth2 access token for Wish.

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

; The access token JSON looks something like this:

; {
;   "message": "",
;   "code": 0,
;   "data": {
;     "access_token": "15af1c191c1243b029bc1660b5c08ce7",
;     "scopes": [
;       "epc:read",
;       "epc:write",
;       "fbs:read",
;       "fbs:write",
;       "fbw:read",
;       "fbw:write",
;       "infractions:read",
;       "infractions:write",
;       "insurance:read",
;       "insurance:write",
;       "loans:read",
;       "loans:write",
;       "merchant:read",
;       "merchant:write",
;       "notifications:read",
;       "notifications:write",
;       "orders:read",
;       "orders:write",
;       "payments:read",
;       "payments:write",
;       "penalties:read",
;       "penalties:write",
;       "product_boost:read",
;       "product_boost:write",
;       "products:read",
;       "products:write",
;       "ratings:read",
;       "ratings:write",
;       "returns:read",
;       "returns:write",
;       "tickets:read",
;       "tickets:write"
;     ],
;     "merchant_id": "5eb3f605178f5be2c784fa02",
;     "expiry_time": "2020-12-17T16:55:09.594+00:00",
;     "refresh_token": "55a38e44df674a1e859891624b2c4c23"
;   }
; }

$oOauth2 = ObjCreate("Chilkat.OAuth2")

; Note: In most OAuth2 implementations, the token endpoint is the same for both the
; refresh request and the exchange-code-for-token request (which happens when getting
; the OAuth2 token for the 1st time).   Wish uses a different URL for the refresh:
$oOauth2.TokenEndpoint = "https://merchant.wish.com/api/v3/oauth/refresh_token"

; The following uncommon option was added in Chilkat v9.5.0.85
$oOauth2.UncommonOptions = "EXCHANGE_CODE_FOR_TOKEN_USING_GET"

; Replace these with actual values.
$oOauth2.ClientId = "WISH-CLIENT-ID"
$oOauth2.ClientSecret = "WISH-CLIENT-SECRET"

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

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

; 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")
$oSbJson.Append($oOauth2.AccessTokenResponse)
$oSbJson.WriteFile("qa_data/tokens/wish.json","utf-8",False)

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