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(SQL Server) Use an Azure Service SAS

Shows how to use an Azure Service SAS. (In this case, it is an SAS for a blob.)

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)
    -- Azure Blob Service Example: Upload binary bytes to a block blob.
    -- This uses a Service SAS for Authorization.

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

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

    -- Connect to the Azure Storage Blob Service
    DECLARE @bTls int
    SELECT @bTls = 1
    DECLARE @port int
    SELECT @port = 443
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    -- In this example, the storage account name is "chilkat".
    DECLARE @success int
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'chilkat.blob.core.windows.net', @port, @bTls, @bAutoReconnect
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END

    -- ----------------------------------------------------------------------------------------------
    -- The code above this comment could be placed inside a function/subroutine within the application
    -- because the connection does not need to be made for every request.  Once the connection is made
    -- the app may send many requests..
    -- ----------------------------------------------------------------------------------------------

    -- Note: The application does not need to explicitly set the following
    -- headers: Content-Length, x-ms-date, Authorization.  These headers
    -- are automatically set by Chilkat.

    -- Let's load a previously computed Azure Storage Account SAS token and use it.
    -- See How to Create an Azure Service SAS
    DECLARE @sbToken int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbToken OUT

    EXEC sp_OAMethod @sbToken, 'LoadFile', @success OUT, 'qa_data/tokens/azureStorageServiceSas.txt', 'utf-8'
    IF @success <> 1
      BEGIN

        PRINT 'Failed to load SAS token.'
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbToken
        RETURN
      END

    -- Add the Shared Access Signature query params for authorization.
    EXEC sp_OAMethod @sbToken, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @rest, 'AddQueryParams', @success OUT, @sTmp0

    -- IMPORTANT: Make sure to set the x-ms-blob-type header:
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'x-ms-blob-type', 'BlockBlob'

    -- IMPORTANT: Make sure to add the x-ms-date header.
    -- When the header name is "x-ms-date", Chilkat will recognize the keyword "NOW" 
    -- and will substitute the current system date/time formatted as required by Microsoft.
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'x-ms-date', 'NOW'

    -- For this example, we'll just load a JPG file into memory..
    DECLARE @binData int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.BinData', @binData OUT

    EXEC sp_OAMethod @binData, 'LoadFile', @success OUT, 'qa_data/jpg/starfish.jpg'
    IF @success <> 1
      BEGIN

        PRINT 'Failed to load JPG file.'
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbToken
        EXEC @hr = sp_OADestroy @binData
        RETURN
      END

    -- Note: The maximum size of a block blob created by uploading in a single step is 64MB.  
    -- For larger files, the upload must be broken up into blocks.  There is another Chilkat example for that..
    DECLARE @sbResponse int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbResponse OUT

    EXEC sp_OAMethod @rest, 'FullRequestBd', @success OUT, 'PUT', '/mycontainer/starfish.jpg', @binData, @sbResponse
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbToken
        EXEC @hr = sp_OADestroy @binData
        EXEC @hr = sp_OADestroy @sbResponse
        RETURN
      END

    -- When successful, the Azure Storage service will respond with a 201 response status code,
    -- with no response body.
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
    IF @iTmp0 <> 201
      BEGIN
        -- Examine the request/response to see what happened.

        EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
        PRINT 'response status code = ' + @iTmp0

        EXEC sp_OAGetProperty @rest, 'ResponseStatusText', @sTmp0 OUT
        PRINT 'response status text = ' + @sTmp0

        EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
        PRINT 'response header: ' + @sTmp0

        EXEC sp_OAMethod @sbResponse, 'GetAsString', @sTmp0 OUT
        PRINT 'response body (if any): ' + @sTmp0

        PRINT '---'

        EXEC sp_OAGetProperty @rest, 'LastRequestStartLine', @sTmp0 OUT
        PRINT 'LastRequestStartLine: ' + @sTmp0

        EXEC sp_OAGetProperty @rest, 'LastRequestHeader', @sTmp0 OUT
        PRINT 'LastRequestHeader: ' + @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbToken
        EXEC @hr = sp_OADestroy @binData
        EXEC @hr = sp_OADestroy @sbResponse
        RETURN
      END


    PRINT 'Success.'

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @sbToken
    EXEC @hr = sp_OADestroy @binData
    EXEC @hr = sp_OADestroy @sbResponse


END
GO

 

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