SQL Server

ETrade Renew Access Token

See more ETrade Examples

Renews an ETrade OAuth access token. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @http, 'OAuth1', 1
    EXEC sp_OASetProperty @http, 'OAuthVerifier', ''
    EXEC sp_OASetProperty @http, 'OAuthConsumerKey', 'ETRADE_CONSUMER_KEY'
    EXEC sp_OASetProperty @http, 'OAuthConsumerSecret', 'ETRADE_CONSUMER_SECRET'

    -- Load the access token previously obtained via the OAuth1 Authorization
    DECLARE @jsonToken int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT

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

        PRINT 'Failed to load OAuth1 token'
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @jsonToken
        RETURN
      END

    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'oauth_token'
    EXEC sp_OASetProperty @http, 'OAuthToken', @sTmp0
    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'oauth_token_secret'
    EXEC sp_OASetProperty @http, 'OAuthTokenSecret', @sTmp0

    DECLARE @resp int
    EXEC @hr = sp_OACreate 'Chilkat.HttpResponse', @resp OUT

    EXEC sp_OAMethod @http, 'HttpNoBody', @success OUT, 'GET', 'https://api.etrade.com/oauth/renew_access_token', @resp
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    -- Make sure a successful response was received.
    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    IF @iTmp0 <> 200
      BEGIN
        EXEC sp_OAGetProperty @resp, 'StatusLine', @sTmp0 OUT
        PRINT @sTmp0
        EXEC sp_OAGetProperty @resp, 'Header', @sTmp0 OUT
        PRINT @sTmp0
        EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    -- If successful, the resp.BodyStr contains something like this:
    -- oauth_token=%3TiQRgQCRGPo7Xdk6G8QDSEzX0Jsy6sKNcULcDavAGgU%3D&oauth_token_secret=%7RrC9scEpzcwSEMy4vE7nodSzPLqfRINnTNY4voczyFM%3D
    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    PRINT @sTmp0

    DECLARE @sbRespBody int
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbRespBody OUT

    EXEC sp_OAMethod @resp, 'GetBodySb', @success OUT, @sbRespBody
    EXEC sp_OAMethod @sbRespBody, 'ContentsEqual', @iTmp0 OUT, 'Access Token has been renewed', 0
    IF @iTmp0
      BEGIN
        -- The documentation at https://apisb.etrade.com/docs/api/authorization/renew_access_token.html
        -- indicates that the response should be as described above.  However, the response received when
        -- trying to refresh a non-expired token was "Access Token has been renewed"

        PRINT 'Keeping the same access token, but it''s renewed...'
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @resp
        EXEC @hr = sp_OADestroy @sbRespBody
        RETURN
      END

    DECLARE @hashTab int
    EXEC @hr = sp_OACreate 'Chilkat.Hashtable', @hashTab OUT

    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    EXEC sp_OAMethod @hashTab, 'AddQueryParams', @success OUT, @sTmp0

    DECLARE @accessToken nvarchar(4000)
    EXEC sp_OAMethod @hashTab, 'LookupStr', @accessToken OUT, 'oauth_token'
    DECLARE @accessTokenSecret nvarchar(4000)
    EXEC sp_OAMethod @hashTab, 'LookupStr', @accessTokenSecret OUT, 'oauth_token_secret'

    -- The access token + secret is what should be saved and used for
    -- subsequent REST API calls.

    PRINT 'Access Token = ' + @accessToken

    PRINT 'Access Token Secret = ' + @accessTokenSecret

    -- Save this access token for future calls.
    -- Just in case we need user_id and screen_name, save those also..
    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'oauth_token', @accessToken
    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'oauth_token_secret', @accessTokenSecret

    DECLARE @fac int
    EXEC @hr = sp_OACreate 'Chilkat.FileAccess', @fac OUT

    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    EXEC sp_OAMethod @fac, 'WriteEntireTextFile', @success OUT, 'qa_data/tokens/etrade.json', @sTmp0, 'utf-8', 0


    PRINT 'Success.'

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @resp
    EXEC @hr = sp_OADestroy @sbRespBody
    EXEC @hr = sp_OADestroy @hashTab
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @fac


END
GO