(SQL Server) Get a Blob using a Container's Shared Access Signature

Shows how to download an Azure blob using a URL with a shared access signature.

For more information, see https://learn.microsoft.com/en-us/rest/api/storageservices/service-sas-examples#example-get-a-blob-using-a-containers-shared-access-signature

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 @url nvarchar(4000)
    SELECT @url = 'https://chilkat.blob.core.windows.net/mycontainer/starfish.jpg?sv=2021-06-08&ss=bfqt&srt=sco&sp=rwdlacupiyx&se=2023-02-12T21:30:53Z&st=2023-02-12T13:30:53Z&spr=https&sig=HB8CoZiD7EJD1rQNIVnLl%2Bq7kyLcOCnSXR14TadBv6s%3D'

    -- To download to a file, pass the full URL with query params to the Download method.
    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
    EXEC sp_OAMethod @http, 'Download', @success OUT, @url, 'c:/someDir/starfish.jpg'
    IF @success = 0
      BEGIN

        EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
        PRINT 'response status code: ' + @iTmp0

        EXEC sp_OAGetProperty @http, 'LastStatusText', @sTmp0 OUT
        PRINT 'response status text: ' + @sTmp0
        EXEC @hr = sp_OADestroy @http
        RETURN
      END


    PRINT 'Success.'

    EXEC @hr = sp_OADestroy @http


END
GO