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Glacier Download Archive

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Demonstrates how to download an Amazon Glacier archive. Downloading a Glacier archive is a two step process. First an archive retrieval job is initiated. After it completes, the job output is downloaded (i.e. the archive contents are downloaded.)

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.
; --------------------------------------------------------------------------

; 
; For more information, see Glacier Retrieve Job Output Reference Documentation
; 
$oRest.AddHeader("x-amz-glacier-version","2012-06-01")

; To download an archive, we'll make several method calls:
; 1) Send the HTTPS GET request.
; 2) Get the response body.
; 3) If the response status code indicates success, stream the response body (i.e the archive data) to a file.
; 4) If the response status code indicates an error, get the JSON error response.

; Send the GET request.
$bSuccess = $oRest.SendReqNoBody("GET","/AWS_ACCOUNT_ID/vaults/chilkat/jobs/JOB_ID/output")
If ($bSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

; Read the response header.
Local $iResponseStatusCode = $oRest.ReadResponseHeader()
If ($iResponseStatusCode < 0) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Response status code = " & $iResponseStatusCode & @CRLF)

; We expect a 200 response status if the archive data is coming.
; Otherwise, we'll get a JSON response body with an error message(or no response body).
If ($iResponseStatusCode = 200) Then

    $oBodyStream = ObjCreate("Chilkat.Stream")

    ; The stream's sink will be a file.
    $oBodyStream.SinkFile = "qa_output/archiveData.dat"

    ; Read the response body to the stream.
    $bSuccess = $oRest.ReadRespBodyStream($oBodyStream,True)
    If ($bSuccess <> True) Then
        ConsoleWrite($oRest.LastErrorText & @CRLF)
        Exit
    EndIf

    ConsoleWrite("Successfully received the archive file." & @CRLF)

Else
Local $sJsonError = $oRest.ReadRespBodyString()
    If ($oRest.LastMethodSuccess <> True) Then
        ConsoleWrite($oRest.LastErrorText & @CRLF)
    Else
        ConsoleWrite($sJsonError & @CRLF)
    EndIf

EndIf