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(SQL Server) Constant Contact (v3) OAuth2 Access TokenGets an OAuth2 access token for ConstantContact. For more information, see https://v3.developer.constantcontact.com/api_guide/server_flow.html
-- 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 example requires the Chilkat API to have been previously unlocked. -- See Global Unlock Sample for sample code. DECLARE @oauth2 int EXEC @hr = sp_OACreate 'Chilkat.OAuth2', @oauth2 OUT IF @hr <> 0 BEGIN PRINT 'Failed to create ActiveX component' RETURN END -- This should be the port in the localhost callback URL for your app. -- The callback URL would look like "http://localhost:3017/" if the port number is 3017. -- Make sure when defining your application (i.e. "My Applications" at https://app.constantcontact.com/pages/dma/portal/) -- that the Redirect URI is exactly this: "http://localhost:3017/". You may use any port number as long as it agrees -- with the ListenPort here. It is important to use "http" and not "https" in the callback URI. The trailing "/" is also important. EXEC sp_OASetProperty @oauth2, 'ListenPort', 3017 EXEC sp_OASetProperty @oauth2, 'AuthorizationEndpoint', 'https://api.cc.email/v3/idfed' EXEC sp_OASetProperty @oauth2, 'TokenEndpoint', 'https://idfed.constantcontact.com/as/token.oauth2' -- Replace these with actual values. EXEC sp_OASetProperty @oauth2, 'ClientId', 'CLIENT_KEY' EXEC sp_OASetProperty @oauth2, 'ClientSecret', 'CLIENT_SECRET' -- Add one or more SPACE separated scopes EXEC sp_OASetProperty @oauth2, 'Scope', 'account_read account_update contact_data campaign_data' -- Begin the OAuth2 three-legged 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 = 0 BEGIN EXEC sp_OAGetProperty @oauth2, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @oauth2 RETURN END PRINT @url -- Launch the system's default browser navigated to the URL. 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 -- Now wait for the authorization. -- We'll wait for a max of 30 seconds. DECLARE @numMsWaited int SELECT @numMsWaited = 0 EXEC sp_OAGetProperty @oauth2, 'AuthFlowState', @iTmp0 OUT WHILE (@numMsWaited < 30000) and (@iTmp0 < 3) BEGIN EXEC sp_OAMethod @oauth2, 'SleepMs', NULL, 100 SELECT @numMsWaited = @numMsWaited + 100 END -- If there was no response from the browser within 30 seconds, then -- the AuthFlowState will be equal to 1 or 2. -- 1: Waiting for Redirect. The OAuth2 background thread is waiting to receive the redirect HTTP request from the browser. -- 2: Waiting for Final Response. The OAuth2 background thread is waiting for the final access token response. -- In that case, cancel the background task started in the call to 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 the AuthFlowState to see if authorization was granted, denied, or if some error occurred -- The possible AuthFlowState values are: -- 3: Completed with Success. The OAuth2 flow has completed, the background thread exited, and the successful JSON response is available in AccessTokenResponse property. -- 4: Completed with Access Denied. The OAuth2 flow has completed, the background thread exited, and the error JSON is available in AccessTokenResponse property. -- 5: Failed Prior to Completion. The OAuth2 flow failed to complete, the background thread exited, and the error information is available in the FailureInfo property. 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 PRINT 'OAuth2 authorization granted!' EXEC sp_OAGetProperty @oauth2, 'AccessToken', @sTmp0 OUT PRINT 'Access Token = ' + @sTmp0 -- Get the full JSON response: DECLARE @json int EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT EXEC sp_OAGetProperty @oauth2, 'AccessTokenResponse', @sTmp0 OUT EXEC sp_OAMethod @json, 'Load', @success OUT, @sTmp0 EXEC sp_OASetProperty @json, 'EmitCompact', 0 -- The JSON response looks like this: -- { -- "access_token": "aEr4czHReESHUGcc2LRknzsMxUbW", -- "refresh_token": "s2qH27ikM7r3Ia0LrZGDOIgKw0bubUotBdJ7fTtc7y", -- "token_type": "Bearer" -- } EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT PRINT @sTmp0 -- Save the JSON to a file for future requests. 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/constantContact.json', @sTmp0, 'utf-8', 0 EXEC @hr = sp_OADestroy @oauth2 EXEC @hr = sp_OADestroy @json EXEC @hr = sp_OADestroy @fac END GO |
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