SQL Server

Office365 IMAP with OAuth2 Authentication

See more Office365 Examples

Demonstrates how to authenticate using OAuth2 with outlook.office365.com. 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
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- An Office365 OAuth2 access token must first be obtained prior
    -- to running this code.

    -- Getting the OAuth2 access token for the 1st time requires the O365 account owner's 
    -- interactive authorizaition via a web browser.  Afterwards, the access token
    -- can be repeatedly refreshed automatically.

    -- See the following examples for getting and refreshing an OAuth2 access token

    -- Get Office365 SMTP/IMAP/POP3 OAuth2 Access Token
    -- Refresh Office365 SMTP/IMAP/POP3 OAuth2 Access Token

    -- First get our previously obtained OAuth2 access token.
    DECLARE @jsonToken int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @jsonToken, 'LoadFile', @success OUT, 'qa_data/tokens/office365.json'
    IF @success = 0
      BEGIN

        PRINT 'Failed to open the office365 OAuth JSON file.'
        EXEC @hr = sp_OADestroy @jsonToken
        RETURN
      END

    DECLARE @imap int
    EXEC @hr = sp_OACreate 'Chilkat.Imap', @imap OUT

    EXEC sp_OASetProperty @imap, 'Ssl', 1
    EXEC sp_OASetProperty @imap, 'Port', 993

    -- Connect to the Office365 IMAP server.
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'outlook.office365.com'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Use OAuth2 authentication.
    EXEC sp_OASetProperty @imap, 'AuthMethod', 'XOAUTH2'

    -- Login using our username (i.e. email address) and the access token for the password.
    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'access_token'
    EXEC sp_OAMethod @imap, 'Login', @success OUT, 'OFFICE365_EMAIL_ADDRESS', @sTmp0
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END


    PRINT 'O365 OAuth authentication is successful.'

    -- Do something...
    EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Your application can continue to do other things in the IMAP session....

    -- When finished, logout and close the connection.
    EXEC sp_OAMethod @imap, 'Logout', @success OUT
    EXEC sp_OAMethod @imap, 'Disconnect', @success OUT


    PRINT 'Finished.'

    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @imap


END
GO