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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.

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Local $bSuccess = False

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

$oRest = ObjCreate("Chilkat.Rest")

; Connect to the Amazon AWS REST server in the desired region.
Local $bTls = True
Local $iPort = 443
Local $bAutoReconnect = True
$bSuccess = $oRest.Connect("glacier.us-west-2.amazonaws.com",$iPort,$bTls,$bAutoReconnect)

; Provide AWS credentials.
$oAuthAws = ObjCreate("Chilkat.AuthAws")
$oAuthAws.AccessKey = "AWS_ACCESS_KEY"
$oAuthAws.SecretKey = "AWS_SECRET_KEY"
$oAuthAws.ServiceName = "glacier"
$oAuthAws.Region = "us-west-2"

$bSuccess = $oRest.SetAuthAws($oAuthAws)

; --------------------------------------------------------------------------
; 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.
$oBd = ObjCreate("Chilkat.BinData")
$bSuccess = $oBd.LoadFile("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
; 
$oRest.AddHeader("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

$oCrypt = ObjCreate("Chilkat.Crypt2")
$oCrypt.HashAlgorithm = "sha256-tree-hash"
$oCrypt.EncodingMode = "hexlower"
Local $sTreeHashHex = $oCrypt.HashBdENC($oBd)
$oRest.AddHeader("x-amz-sha256-tree-hash",$sTreeHashHex)

$oCrypt.HashAlgorithm = "sha256"
Local $sLinearHashHex = $oCrypt.HashBdENC($oBd)
$oAuthAws.PrecomputedSha256 = $sLinearHashHex

; We can optionally add a description
$oRest.AddHeader("x-amz-archive-description","Penguins JPG")

$oSbResponseBody = ObjCreate("Chilkat.StringBuilder")
$bSuccess = $oRest.FullRequestBd("POST","/AWS_ACCOUNT_ID/vaults/chilkat/archives",$oBd,$oSbResponseBody)
If ($bSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

Local $iRespStatusCode = $oRest.ResponseStatusCode
If ($iRespStatusCode >= 400) Then
    ConsoleWrite("Response Status Code = " & $iRespStatusCode & @CRLF)
    ConsoleWrite("Response Header:" & @CRLF)
    ConsoleWrite($oRest.ResponseHeader & @CRLF)
    ConsoleWrite("Response Body:" & @CRLF)
    ConsoleWrite($oSbResponseBody.GetAsString() & @CRLF)
    Exit
EndIf

; Success is indicated by a 201 response status with an empty response body.
ConsoleWrite("response status code = " & $iRespStatusCode & @CRLF)

; 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
; 

Local $sArchiveId = $oRest.ResponseHdrByName("x-amz-archive-id")
ConsoleWrite("x-amz-archive-id = " & $sArchiveId & @CRLF)

Local $sLocation = $oRest.ResponseHdrByName("Location")
ConsoleWrite("Location = " & $sLocation & @CRLF)