DataFlex

S3 Find Bucket Region

See more Amazon S3 (new) Examples

Demonstrates how to find out the region of an S3 bucket. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoRest
    Boolean iBTls
    Integer iPort
    Boolean iBAutoReconnect
    Variant vAuthAws
    Handle hoAuthAws
    String sStrResult
    Integer iResponseStatusCode
    Handle hoXml
    String sTemp1
    Boolean bTemp1

    Move False To iSuccess

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

    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End

    // Connect to the Amazon AWS REST server using the correct region (in this example, "us-west-2")
    Move True To iBTls
    Move 443 To iPort
    Move True To iBAutoReconnect
    Get ComConnect Of hoRest "s3.amazonaws.com" iPort iBTls iBAutoReconnect To iSuccess

    // Provide AWS credentials for the REST call.
    Get Create (RefClass(cComChilkatAuthAws)) To hoAuthAws
    If (Not(IsComObjectCreated(hoAuthAws))) Begin
        Send CreateComObject of hoAuthAws
    End
    Set ComAccessKey Of hoAuthAws To "AWS_ACCESS_KEY"
    Set ComSecretKey Of hoAuthAws To "AWS_SECRET_KEY"
    Set ComServiceName Of hoAuthAws To "s3"
    Get pvComObject of hoAuthAws to vAuthAws
    Get ComSetAuthAws Of hoRest vAuthAws To iSuccess

    // The bucket name we want to know about is set in the HOST header.
    // In this example, we want to find the region for the "chilkat.qa" bucket.
    Set ComHost Of hoRest To "chilkat.qa.s3.amazonaws.com"

    // Send the GET request to query the bucket location.
    Get ComFullRequestNoBody Of hoRest "GET" "/?location" To sStrResult
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComResponseStatusCode Of hoRest To iResponseStatusCode
    Showln "Response status code = " iResponseStatusCode
    If (iResponseStatusCode <> 200) Begin
        Get ComResponseHeader Of hoRest To sTemp1
        Showln sTemp1
        Showln sStrResult
        Showln "Failed."
        Procedure_Return
    End

    Showln sStrResult

    // The result contains XML like this:
    // <?xml version="1.0" encoding="UTF-8"?>
    // <LocationConstraint xmlns="http://s3.amazonaws.com/doc/2006-03-01/">us-west-2</LocationConstraint>

    // Get the "us-west-2" from the XML
    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Get ComLoadXml Of hoXml sStrResult To iSuccess
    Get ComContent Of hoXml To sTemp1
    Showln "region = " sTemp1


End_Procedure