(SQL Server) 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.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- 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.

    DECLARE @jsonToken int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @jsonToken, 'LoadFile', @success OUT, 'qa_data/tokens/wish.json'
    IF @success <> 1
      BEGIN

        PRINT 'Failed to load wish.json'
        EXEC @hr = sp_OADestroy @jsonToken
        RETURN
      END

    -- 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"
    --   }
    -- }

    DECLARE @oauth2 int
    -- Use "Chilkat_9_5_0.OAuth2" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.OAuth2', @oauth2 OUT

    -- 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:
    EXEC sp_OASetProperty @oauth2, 'TokenEndpoint', 'https://merchant.wish.com/api/v3/oauth/refresh_token'

    -- The following uncommon option was added in Chilkat v9.5.0.85
    EXEC sp_OASetProperty @oauth2, 'UncommonOptions', 'EXCHANGE_CODE_FOR_TOKEN_USING_GET'

    -- Replace these with actual values.
    EXEC sp_OASetProperty @oauth2, 'ClientId', 'WISH-CLIENT-ID'
    EXEC sp_OASetProperty @oauth2, 'ClientSecret', 'WISH-CLIENT-SECRET'

    -- Get the "refresh_token"
    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'data.refresh_token'
    EXEC sp_OASetProperty @oauth2, 'RefreshToken', @sTmp0

    -- Send the HTTP request to refresh the access token..
    EXEC sp_OAMethod @oauth2, 'RefreshAccessToken', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @oauth2, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @oauth2
        RETURN
      END

    -- 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.
    DECLARE @sbJson int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbJson OUT

    EXEC sp_OAGetProperty @oauth2, 'AccessTokenResponse', @sTmp0 OUT
    EXEC sp_OAMethod @sbJson, 'Append', @success OUT, @sTmp0
    EXEC sp_OAMethod @sbJson, 'WriteFile', @success OUT, 'qa_data/tokens/wish.json', 'utf-8', 0


    PRINT 'OAuth2 token refreshed!'

    EXEC sp_OAGetProperty @oauth2, 'AccessToken', @sTmp0 OUT
    PRINT 'New Access Token = ' + @sTmp0

    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @oauth2
    EXEC @hr = sp_OADestroy @sbJson


END
GO