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(SQL Server) Office365 OAuth2 Access Token for SMTP, IMAP, POP

See more Office365 Examples

Demonstrates how to get an OAuth2 access token for use in the SMTP, IMAP, and POP3 protocols.

Note: It is only the initial access token that must be obtained interactively using a browser (see the code and comments below). Once the initial OAuth2 access token is obtained, then it can refreshed indefinitely with no user interaction.

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
    DECLARE @sTmp0 nvarchar(4000)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    -- -----------------------------------------------------------------------------------------------
    -- Important:  Setup your App Registration in Azure beforehand.  
    -- 
    -- See Create Azure App Registration for use with IMAP, POP3, and SMTP
    -- -----------------------------------------------------------------------------------------------

    DECLARE @oauth2 int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.OAuth2', @oauth2 OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    -- 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.
    EXEC sp_OASetProperty @oauth2, 'ListenPort', 3017

    -- Specify your OAuth2 authorization and token endpoints
    -- Replace "xxxxxxxxxx-71bf-4ebe-a866-738364321bf2" with your tenant ID, 
    -- or one of the following keywords: "common", "organizations", "consumers".
    -- 
    -- For more information about the /authorize endpoint, see Microsoft identity platform and OAuth 2.0 authorization code flow 

    EXEC sp_OASetProperty @oauth2, 'AuthorizationEndpoint', 'https://login.microsoftonline.com/xxxxxxxxxx-71bf-4ebe-a866-738364321bf2/oauth2/v2.0/authorize'
    EXEC sp_OASetProperty @oauth2, 'TokenEndpoint', 'https://login.microsoftonline.com/xxxxxxxxxx-71bf-4ebe-a866-738364321bf2/oauth2/v2.0/token'

    -- Replace these with actual values.
    EXEC sp_OASetProperty @oauth2, 'ClientId', 'CLIENT_ID'
    EXEC sp_OASetProperty @oauth2, 'ClientSecret', 'CLIENT_SECRET'

    EXEC sp_OASetProperty @oauth2, 'CodeChallenge', 0

    -- Provide a SPACE separated list of scopes.
    -- Important: The offline_access scope is needed to get a refresh token.
    EXEC sp_OASetProperty @oauth2, 'Scope', 'openid profile offline_access https://outlook.office365.com/SMTP.Send https://outlook.office365.com/POP.AccessAsUser.All https://outlook.office365.com/IMAP.AccessAsUser.All'

    -- ----------------------------------------------------------------------
    -- Note: It is only the initial access token that must be obtained interactively using a browser.  
    -- Once the initial OAuth2 access token is obtained, then it can refreshed indefinitely with no user interaction.
    -- ----------------------------------------------------------------------

    -- 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 <> 1
      BEGIN
        EXEC sp_OAGetProperty @oauth2, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @oauth2
        RETURN
      END

    -- At this point, your application should load the URL in a browser.
    -- For example, 
    -- in C#: System.Diagnostics.Process.Start(url);
    -- in Java: Desktop.getDesktop().browse(new URI(url));
    -- in VBScript: Set wsh=WScript.CreateObject("WScript.Shell")
    --              wsh.Run url
    -- in Xojo: ShowURL(url)  (see http://docs.xojo.com/index.php/ShowURL)
    -- in Dataflex: Runprogram Background "c:\Program Files\Internet Explorer\iexplore.exe" sUrl        
    -- The Microsoft account owner would interactively accept or deny the authorization request.

    -- Add the code to load the url in a web browser here...
    -- Add the code to load the url in a web browser here...
    -- Add the code to load the url in a web browser here...

    -- ----------------------------------------------------------------------
    -- Note: Read about how browser caching of credentials can cause problems.
    -- See OAuth2 Browser Caching Credentials
    -- ----------------------------------------------------------------------

    -- 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_9_5_0.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:
    -- 
    -- {
    --   "token_type": "Bearer",
    --   "scope": "IMAP.AccessAsUser.All openid POP.AccessAsUser.All profile SMTP.Send email",
    --   "expires_in": 3599,
    --   "ext_expires_in": 3599,
    --   "access_token": "...",
    --   "refresh_token": "...",
    --   "id_token": "...",
    --   "expires_on": "1592748507"
    -- }

    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_9_5_0.FileAccess', @fac OUT

    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    EXEC sp_OAMethod @fac, 'WriteEntireTextFile', @success OUT, 'qa_data/tokens/office365.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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