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(SQL Server) Get XOAUTH2 Access Token from Google OAuth 2.0 Authorization ServerObtains an OAUTH2 access token from the Google OAuth 2.0 Authorization Server. This is for Server to server applications using Google API's that need an access token. See https://developers.google.com/accounts/docs/OAuth2ServiceAccount
-- 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) -- This example assumes 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 -- -------------------------------------------------------------------------------- -- For a step-by-step guide for setting up your Google Workspace service account, -- see Setup Google Workspace Account for Sending SMTP GMail from a Service Account -- -------------------------------------------------------------------------------- -- Begin by loading your Google service account key (.p12) DECLARE @cert int EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT DECLARE @success int EXEC sp_OAMethod @cert, 'LoadPfxFile', @success OUT, 'c:/someDirectory/keys/chilkat25-cbd7b42afbd8.p12', 'notasecret' IF @success <> 1 BEGIN EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @http EXEC @hr = sp_OADestroy @cert RETURN END -- The ISS is your service account email address ending in gserviceaccount.com. DECLARE @iss nvarchar(4000) SELECT @iss = 'chilkatsvc@chilkat25.iam.gserviceaccount.com' -- The scope is always the following string: DECLARE @scope nvarchar(4000) SELECT @scope = 'https://mail.google.com/' -- The sub is your company email address DECLARE @oauth_sub nvarchar(4000) SELECT @oauth_sub = 'bob@yourcompany.com' -- The access token is valid for this number of seconds. DECLARE @numSec int SELECT @numSec = 3600 DECLARE @accessToken nvarchar(4000) EXEC sp_OAMethod @http, 'G_SvcOauthAccessToken', @accessToken OUT, @iss, @scope, @oauth_sub, @numSec, @cert EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT IF @iTmp0 <> 1 BEGIN EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @http EXEC @hr = sp_OADestroy @cert RETURN END ELSE BEGIN PRINT 'access token: ' + @accessToken END -- The access token allows us to send unlimited emails while it's valid. Once it expires, we must obtain and use a new one. EXEC @hr = sp_OADestroy @http EXEC @hr = sp_OADestroy @cert END GO |
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