Node.js

S3 Find Bucket Region

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

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var rest = new chilkat.Rest();

    //  Connect to the Amazon AWS REST server using the correct region (in this example, "us-west-2")
    var bTls = true;
    var port = 443;
    var bAutoReconnect = true;
    success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect);

    //  Provide AWS credentials for the REST call.
    var authAws = new chilkat.AuthAws();
    authAws.AccessKey = "AWS_ACCESS_KEY";
    authAws.SecretKey = "AWS_SECRET_KEY";
    authAws.ServiceName = "s3";
    success = rest.SetAuthAws(authAws);

    //  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.
    rest.Host = "chilkat.qa.s3.amazonaws.com";

    //  Send the GET request to query the bucket location.
    var strResult = rest.FullRequestNoBody("GET","/?location");
    if (rest.LastMethodSuccess !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    var responseStatusCode = rest.ResponseStatusCode;
    console.log("Response status code = " + responseStatusCode);
    if (responseStatusCode !== 200) {
        console.log(rest.ResponseHeader);
        console.log(strResult);
        console.log("Failed.");
        return;
    }

    console.log(strResult);

    //  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
    var xml = new chilkat.Xml();
    success = xml.LoadXml(strResult);
    console.log("region = " + xml.Content);

}

chilkatExample();