(SQL Server) AzureWebsites OAuth2 Password Flow

Demonstrates how to do OAuth 2.0 password flow for azurewebsites.net.

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)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

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

    DECLARE @success int

    DECLARE @req int
    -- Use "Chilkat_9_5_0.HttpRequest" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.HttpRequest', @req OUT

    EXEC sp_OASetProperty @req, 'HttpVerb', 'POST'
    EXEC sp_OASetProperty @req, 'Path', '/token'
    EXEC sp_OASetProperty @req, 'ContentType', 'application/x-www-form-urlencoded'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'grant_type', 'password'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'username', 'your_username'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'password', 'your_password'

    DECLARE @tokenEndpoint nvarchar(4000)
    SELECT @tokenEndpoint = 'https://your_api.azurewebsites.net/token'
    DECLARE @resp int
    EXEC sp_OAMethod @http, 'PostUrlEncoded', @resp OUT, @tokenEndpoint, @req
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        RETURN
      END

    DECLARE @sbResponseBody int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @resp, 'GetBodySb', @success OUT, @sbResponseBody
    DECLARE @jResp int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jResp OUT

    EXEC sp_OAMethod @jResp, 'LoadSb', @success OUT, @sbResponseBody
    EXEC sp_OASetProperty @jResp, 'EmitCompact', 0


    PRINT 'Response Body:'
    EXEC sp_OAMethod @jResp, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- Sample JSON response:

    -- {
    --   "access_token": "NQGHn ... xTS",
    --   "token_type": "bearer",
    --   "expires_in": 1209599,
    --   "userName": "your_username",
    --   ".issued": "Mon, 27 Apr 2020 23:49:35 GMT",
    --   ".expires": "Mon, 11 May 2020 23:49:35 GMT"
    -- }

    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @respStatusCode OUT

    PRINT 'Response Status Code = ' + @respStatusCode
    IF @respStatusCode >= 400
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @resp, 'Header', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @resp

        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @sbResponseBody
        EXEC @hr = sp_OADestroy @jResp
        RETURN
      END
    EXEC @hr = sp_OADestroy @resp

    -- ----------------------------------
    -- Use the OAuth2 token in a request.
    -- For example...

    DECLARE @sbXml int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbXml OUT

    EXEC sp_OAMethod @sbXml, 'LoadFile', @success OUT, 'c:/someDir/someXmlFile.xml', 'utf-8'
    IF @success = 0
      BEGIN

        PRINT 'Failed to load the XML file.'
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @sbResponseBody
        EXEC @hr = sp_OADestroy @jResp
        EXEC @hr = sp_OADestroy @sbXml
        RETURN
      END

    -- Get the OAuth2 token and use it for authentication
    EXEC sp_OAMethod @jResp, 'StringOf', @sTmp0 OUT, 'token'
    EXEC sp_OASetProperty @http, 'AuthToken', @sTmp0

    DECLARE @destUrl nvarchar(4000)
    SELECT @destUrl = 'https://your_api.azurewebsites.net/destinationUrl'
    EXEC sp_OAMethod @sbXml, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @http, 'PostXml', @resp OUT, @destUrl, @sTmp0, 'utf-8'
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @sbResponseBody
        EXEC @hr = sp_OADestroy @jResp
        EXEC @hr = sp_OADestroy @sbXml
        RETURN
      END

    EXEC sp_OAGetProperty @resp, 'StatusCode', @respStatusCode OUT

    PRINT 'Response Status Code = ' + @respStatusCode
    IF @respStatusCode >= 400
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @resp, 'Header', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @resp

        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @sbResponseBody
        EXEC @hr = sp_OADestroy @jResp
        EXEC @hr = sp_OADestroy @sbXml
        RETURN
      END

    -- Examine the response body
    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    PRINT @sTmp0

    EXEC @hr = sp_OADestroy @resp


    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @req
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @jResp
    EXEC @hr = sp_OADestroy @sbXml


END
GO