SQL Server

Amazon Glacier Upload Archive from In-Memory Data

See more Amazon Glacier Examples

Demonstrates how to add an archive to a vault from data in memory.

Note: This example requires Chilkat v9.5.0.78 or greater.

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

    -- 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.Rest', @rest OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Connect to the Amazon AWS REST server in the desired region.
    DECLARE @bTls int
    SELECT @bTls = 1
    DECLARE @port int
    SELECT @port = 443
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'glacier.us-west-2.amazonaws.com', @port, @bTls, @bAutoReconnect

    -- Provide AWS credentials.
    DECLARE @authAws int
    EXEC @hr = sp_OACreate 'Chilkat.AuthAws', @authAws OUT

    EXEC sp_OASetProperty @authAws, 'AccessKey', 'AWS_ACCESS_KEY'
    EXEC sp_OASetProperty @authAws, 'SecretKey', 'AWS_SECRET_KEY'
    EXEC sp_OASetProperty @authAws, 'ServiceName', 'glacier'
    EXEC sp_OASetProperty @authAws, 'Region', 'us-west-2'

    EXEC sp_OAMethod @rest, 'SetAuthAws', @success OUT, @authAws

    -- --------------------------------------------------------------------------
    -- Note: The above REST connection and setup of the AWS credentials
    -- can be done once.  After connecting, any number of REST calls can be made.
    -- The "auto reconnect" property passed to rest.Connect indicates that if
    -- the connection is lost, a REST method call will automatically reconnect
    -- if needed.
    -- --------------------------------------------------------------------------

    -- Load the data to be uploaded.
    DECLARE @bd int
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bd OUT

    EXEC sp_OAMethod @bd, 'LoadFile', @success OUT, 'qa_data/jpg/penguins.jpg'
    -- (The point here is that the contents of the bd don't necessarily have to come from a file.)

    -- 
    -- For more information, see Glacier Upload Archive Reference Documentation
    -- 
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'x-amz-glacier-version', '2012-06-01'

    -- We'll need to pre-compute the SHA256 tree hash and the SHA256 linear hash.
    -- The hashes are added in the following request headers:

    -- x-amz-sha256-tree-hash: SHA256 tree hash
    -- x-amz-content-sha256: SHA256 linear hash

    DECLARE @crypt int
    EXEC @hr = sp_OACreate 'Chilkat.Crypt2', @crypt OUT

    EXEC sp_OASetProperty @crypt, 'HashAlgorithm', 'sha256-tree-hash'
    EXEC sp_OASetProperty @crypt, 'EncodingMode', 'hexlower'
    DECLARE @treeHashHex nvarchar(4000)
    EXEC sp_OAMethod @crypt, 'HashBdENC', @treeHashHex OUT, @bd
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'x-amz-sha256-tree-hash', @treeHashHex

    EXEC sp_OASetProperty @crypt, 'HashAlgorithm', 'sha256'
    DECLARE @linearHashHex nvarchar(4000)
    EXEC sp_OAMethod @crypt, 'HashBdENC', @linearHashHex OUT, @bd
    EXEC sp_OASetProperty @authAws, 'PrecomputedSha256', @linearHashHex

    -- We can optionally add a description
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'x-amz-archive-description', 'Penguins JPG'

    DECLARE @sbResponseBody int
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @rest, 'FullRequestBd', @success OUT, 'POST', '/AWS_ACCOUNT_ID/vaults/chilkat/archives', @bd, @sbResponseBody
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        EXEC @hr = sp_OADestroy @bd
        EXEC @hr = sp_OADestroy @crypt
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END

    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @respStatusCode OUT
    IF @respStatusCode >= 400
      BEGIN

        PRINT 'Response Status Code = ' + @respStatusCode

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Response Body:'
        EXEC sp_OAMethod @sbResponseBody, 'GetAsString', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        EXEC @hr = sp_OADestroy @bd
        EXEC @hr = sp_OADestroy @crypt
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END

    -- Success is indicated by a 201 response status with an empty response body.

    PRINT 'response status code = ' + @respStatusCode

    -- If successful, the response header looks like this.
    -- The Location and x-amz-archive-id are two items of information we may wish to save..

    -- HTTP/1.1 201 Created
    -- x-amzn-RequestId: AAABZpJrTyioDC_HsOmHae8EZp_uBSJr6cnGOLKp_XJCl-Q
    -- Date: Wed, 10 Feb 2017 12:00:00 GMT
    -- x-amz-sha256-tree-hash: beb0fe31a1c7ca8c6c04d574ea906e3f97b31fdca7571defb5b44dca89b5af60
    -- Location: /111122223333/vaults/examplevault/archives/NkbByEejwEggmBz2fTH ... GlqrEXAMPLEArchiveId
    -- x-amz-archive-id: NkbByEejwEggmBz2fTHgJrg0XBoDfjP4q6iu87-TjhqG6eGoOY9Z8i1_AUyUsu ... BfGlqrEXAMPLEArchiveId
    -- 

    DECLARE @archiveId nvarchar(4000)
    EXEC sp_OAMethod @rest, 'ResponseHdrByName', @archiveId OUT, 'x-amz-archive-id'

    PRINT 'x-amz-archive-id = ' + @archiveId

    DECLARE @location nvarchar(4000)
    EXEC sp_OAMethod @rest, 'ResponseHdrByName', @location OUT, 'Location'

    PRINT 'Location = ' + @location

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @authAws
    EXEC @hr = sp_OADestroy @bd
    EXEC @hr = sp_OADestroy @crypt
    EXEC @hr = sp_OADestroy @sbResponseBody


END
GO