(SQL Server) Quickbooks OAuth2 in a Desktop App

See more QuickBooks Examples

Note: This example requires Chilkat v10.1.2 or greater.

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
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- To further clarify, see OAuth 2.0 Authorization Flow

    -- ------------------------------------------------------------------------------------------------
    -- IMPORTANT: You first need to define an App in the Quickbooks Developer Dashboard.
    -- See How to Create an App in QuickBooks Developer Dashboard
    -- ------------------------------------------------------------------------------------------------

    -- This example is for desktop applicatons (it is not for code that runs on a web server).
    -- You'll need to add a line (or a few lines of code) to popup a web browser that navigates to a URL.

    -- This is the way to initially obtain the OAuth2 access token.  Afterwards it can be 
    -- repeatedly refreshed without user interaction, as shown in this example: Refresh Quickbooks OAuth2 Access Token.

    DECLARE @oauth2 int
    -- Use "Chilkat_9_5_0.OAuth2" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.OAuth2', @oauth2 OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- QuickBooks OAuth2 allows for an "http://localhost:<portNumber>/" callback URL for sandbox testing,
    -- but not for production.

    -- In production, your applicaton must use your own public web server as an intermediate
    -- to receive and forward the redirect to localhost.
    -- See Using Your Web Server as an Intermediary for OAuth2 Redirect to localhost

    EXEC sp_OASetProperty @oauth2, 'AppCallbackUrl', 'https://yourwebserver.com/OAuth2.php'
    EXEC sp_OASetProperty @oauth2, 'ListenPort', 3017

    EXEC sp_OASetProperty @oauth2, 'AuthorizationEndpoint', 'https://appcenter.intuit.com/connect/oauth2'
    EXEC sp_OASetProperty @oauth2, 'TokenEndpoint', 'https://oauth.platform.intuit.com/oauth2/v1/tokens/bearer'

    -- Replace these with actual values.
    EXEC sp_OASetProperty @oauth2, 'ClientId', 'QUICKBOOKS-CLIENT-ID'
    EXEC sp_OASetProperty @oauth2, 'ClientSecret', 'QUICKBOOKS-CLIENT-SECRET'
    EXEC sp_OASetProperty @oauth2, 'UseBasicAuth', 1
    EXEC sp_OASetProperty @oauth2, 'CodeChallenge', 0

    -- Indicate the desired access.  Possible scopes that can appear in the list are:
    -- com.intuit.quickbooks.accounting:  QuickBooks Online API
    -- com.intuit.quickbooks.payment:  QuickBooks Payments API
    -- openid:  OpenID Connect processing
    -- profile:  user's given and family names
    -- email:  user's email address
    -- phone:  user's phone number
    -- address:  user's physical address
    EXEC sp_OASetProperty @oauth2, 'Scope', 'com.intuit.quickbooks.accounting'

    -- Begin the OAuth2 Authorization code flow.  This returns a URL that should be loaded in a browser.
    DECLARE @url nvarchar(4000)
    EXEC sp_OAMethod @oauth2, 'StartAuth', @url OUT
    EXEC sp_OAGetProperty @oauth2, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @oauth2, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @oauth2
        RETURN
      END


    PRINT 'url = ' + @url

    -- Launch the default browser on the system and navigate to the url.
    -- The LaunchBrowser method was added in Chilkat v10.1.2.
    DECLARE @success int
    EXEC sp_OAMethod @oauth2, 'LaunchBrowser', @success OUT, @url
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @oauth2, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @oauth2
        RETURN
      END

    -- Wait for the user to approve or deny authorization in the browser.
    DECLARE @numMsWaited int
    SELECT @numMsWaited = 0
    EXEC sp_OAGetProperty @oauth2, 'AuthFlowState', @iTmp0 OUT
    WHILE (@numMsWaited < 90000) and (@iTmp0 < 3)
      BEGIN
        EXEC sp_OAMethod @oauth2, 'SleepMs', NULL, 100
        SELECT @numMsWaited = @numMsWaited + 100
      END

    -- If the browser does not respond within the specified time, AuthFlowState will be:
    -- 
    -- 1: Waiting for Redirect – The OAuth2 background thread is waiting for the browser's redirect request.
    -- 2: Waiting for Final Response – The thread is awaiting the final access token response.
    -- In either case, cancel the background task initiated by StartAuth.

    EXEC sp_OAGetProperty @oauth2, 'AuthFlowState', @iTmp0 OUT
    IF @iTmp0 < 3
      BEGIN
        EXEC sp_OAMethod @oauth2, 'Cancel', @success OUT

        PRINT 'No response from the browser!'
        EXEC @hr = sp_OADestroy @oauth2
        RETURN
      END

    -- Check AuthFlowState to determine if authorization was granted, denied, or failed:
    -- 
    -- 3: Success – OAuth2 flow completed, the background thread exited, and the successful response is in AccessTokenResponse.
    -- 4: Access Denied – OAuth2 flow completed, the background thread exited, and the error response is in AccessTokenResponse.
    -- 5: Failure – OAuth2 flow failed before completion, the background thread exited, and error details are in FailureInfo.

    EXEC sp_OAGetProperty @oauth2, 'AuthFlowState', @iTmp0 OUT
    IF @iTmp0 = 5
      BEGIN

        PRINT 'OAuth2 failed to complete.'
        EXEC sp_OAGetProperty @oauth2, 'FailureInfo', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @oauth2
        RETURN
      END

    EXEC sp_OAGetProperty @oauth2, 'AuthFlowState', @iTmp0 OUT
    IF @iTmp0 = 4
      BEGIN

        PRINT 'OAuth2 authorization was denied.'
        EXEC sp_OAGetProperty @oauth2, 'AccessTokenResponse', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @oauth2
        RETURN
      END

    EXEC sp_OAGetProperty @oauth2, 'AuthFlowState', @iTmp0 OUT
    IF @iTmp0 <> 3
      BEGIN

        EXEC sp_OAGetProperty @oauth2, 'AuthFlowState', @iTmp0 OUT
        PRINT 'Unexpected AuthFlowState:' + @iTmp0
        EXEC @hr = sp_OADestroy @oauth2
        RETURN
      END

    -- Save the full JSON access token response to a file.
    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/qb-access-token.json', 'utf-8', 0

    -- The full JSON received looks like this:
    -- {
    --   "expires_in": 3600,
    --   "x_refresh_token_expires_in": 8726400,
    --   "refresh_token": "L011546037639r ... 3vR2DrbOmg0Sdagw",
    --   "access_token": "eyJlbmMiOiJBMTI4Q0 ... oETJEMbeggg",
    --   "token_type": "bearer"
    -- }


    PRINT 'OAuth2 authorization granted!'

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

    -- Get the realmId if needed...
    -- See About the QuickBooks REST API Realm ID, also known as Company ID
    DECLARE @realmId nvarchar(4000)
    EXEC sp_OAMethod @oauth2, 'GetRedirectRequestParam', @realmId OUT, 'realmId'
    EXEC sp_OAGetProperty @oauth2, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 1
      BEGIN

        PRINT 'realmId: ' + @realmId
      END
    ELSE
      BEGIN

        PRINT 'No realmId was provided.'
      END

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


END
GO