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C#

Refresh Wish for Merchants OAuth2 Access Token

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Demonstrates how to refresh a Wish OAuth2 access token.

Note: This example requires Chilkat v9.5.0.85.

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C#
bool success = 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.

Chilkat.JsonObject jsonToken = new Chilkat.JsonObject();
success = jsonToken.LoadFile("qa_data/tokens/wish.json");
if (success != true) {
    Debug.WriteLine("Failed to load wish.json");
    return;
}

//  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"
//    }
//  }

Chilkat.OAuth2 oauth2 = new 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:
oauth2.TokenEndpoint = "https://merchant.wish.com/api/v3/oauth/refresh_token";

//  The following uncommon option was added in Chilkat v9.5.0.85
oauth2.UncommonOptions = "EXCHANGE_CODE_FOR_TOKEN_USING_GET";

//  Replace these with actual values.
oauth2.ClientId = "WISH-CLIENT-ID";
oauth2.ClientSecret = "WISH-CLIENT-SECRET";

//  Get the "refresh_token"
oauth2.RefreshToken = jsonToken.StringOf("data.refresh_token");

//  Send the HTTP request to refresh the access token..
success = oauth2.RefreshAccessToken();
if (success != true) {
    Debug.WriteLine(oauth2.LastErrorText);
    return;
}

//  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.
Chilkat.StringBuilder sbJson = new Chilkat.StringBuilder();
sbJson.Append(oauth2.AccessTokenResponse);
sbJson.WriteFile("qa_data/tokens/wish.json","utf-8",false);

Debug.WriteLine("OAuth2 token refreshed!");
Debug.WriteLine("New Access Token = " + oauth2.AccessToken);