Configure AWS Signature Authentication for REST

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Demonstrates Rest.SetAuthAws, which associates an AuthAws provider so Chilkat signs each request using AWS Signature Version 4. The provider supplies the access key, secret key, region, and service name.

Dim success As Long
success = 0

Dim rest As New ChilkatRest
Dim bTls As Long
bTls = 1
Dim bAutoReconnect As Long
bAutoReconnect = 1
success = rest.Connect("example.com",443,bTls,bAutoReconnect)
If (success = 0) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

'  Configure AWS Signature Version 4 request signing.  Provide the access key, secret key, region,
'  and service name.
Dim authAws As New ChilkatAuthAws
'  Normally you would not hard-code secrets in source.  You should instead obtain them from an
'  interactive prompt, environment variable, or a secrets vault.
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
authAws.Region = "us-east-1"
authAws.ServiceName = "s3"

'  Associate the provider so Chilkat signs each request according to AWS requirements.
success = rest.SetAuthAws(authAws)
If (success = 0) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

Dim responseText As String
responseText = rest.FullRequestNoBody("GET","/")
If (rest.LastMethodSuccess = 0) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

Debug.Print responseText