(VBScript) S3 List Buckets using an STS Session Token

This is an example showing how to use an STS session token in an Amazon AWS request. This example will list S3 buckets using a previously obtained session token.

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Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

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

' See Get AWS STS Session Token for sample code to get the session token XML.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml")
set xmlToken = CreateObject("Chilkat.Xml")
success = xmlToken.LoadXmlFile("qa_data/tokens/aws_session_token.xml")
If (success = 0) Then
    outFile.WriteLine(xmlToken.LastErrorText)
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Rest")
set rest = CreateObject("Chilkat.Rest")

' Connect to the Amazon AWS REST server.
bTls = 1
port = 443
bAutoReconnect = 1
success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect)

' Provide AWS credentials for the REST call.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.AuthAws")
set authAws = CreateObject("Chilkat.AuthAws")

' The purpose of this example is to show how to use the temporary AccessKeyId, SecretAccessKey, and SessionToken.
authAws.AccessKey = xmlToken.GetChildContent("GetSessionTokenResult|Credentials|AccessKeyId")
authAws.SecretKey = xmlToken.GetChildContent("GetSessionTokenResult|Credentials|SecretAccessKey")
authAws.ServiceName = "s3"
success = rest.SetAuthAws(authAws)

success = rest.AddQueryParam("X-Amz-Security-Token",xmlToken.GetChildContent("GetSessionTokenResult|Credentials|SessionToken"))

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbResponse = CreateObject("Chilkat.StringBuilder")
success = rest.FullRequestNoBodySb("GET","/",sbResponse)
If (success <> 1) Then
    outFile.WriteLine(rest.LastErrorText)
    WScript.Quit
End If

statusCode = rest.ResponseStatusCode
outFile.WriteLine("Response status code = " & statusCode)

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml")
set xml = CreateObject("Chilkat.Xml")
success = xml.LoadSb(sbResponse,1)
outFile.WriteLine(xml.GetXml())

If (statusCode <> 200) Then
    outFile.WriteLine("Failed.  See error information in the XML.")
    WScript.Quit
End If


outFile.Close