Node.js

S3 - Working with Buckets in a Region

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Demonstrates how to work with S3 buckets located in a particular region. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    //  When usig the REST class to access an S3 bucket that has been created in a particular region,
    //  there are three important things to remember:
    //  
    //  1) Connect to the domain that includes the region.  For example, instead of connecting to
    //     "s3.amazonaws.com", connect to "s3.eu-central-1.amazonaws.com" if your bucket is in the EU Frankfurt region.
    //     See http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region   for a list of S3 region domains (endpoints)
    //  
    //  2) Set the AuthAws.Region property equal to the region, such as "eu-central-1".
    //  
    //  3) Include the region in request's Host header.
    //  

    //  This example will upload to a bucket in the eu-central-1 region.
    //  
    var rest = new chilkat.Rest();

    //  Connect to the Amazon AWS REST server.
    var bTls = true;
    var port = 443;
    var bAutoReconnect = true;
    success = rest.Connect("s3.eu-central-1.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";
    authAws.Region = "eu-central-1";
    success = rest.SetAuthAws(authAws);

    //  Set the bucket name via the HOST header.
    //  In this case, the bucket name is "chilkateufrankfurt" (which was created in the eu-central-1 region)
    rest.Host = "chilkateufrankfurt.s3.eu-central-1.amazonaws.com";

    var fileData = new chilkat.BinData();
    success = fileData.LoadFile("qa_data/jpg/starfish.jpg");

    //  Upload the file to Amazon S3.
    var responseBody = new chilkat.StringBuilder();
    success = rest.FullRequestBd("PUT","/starfish.jpg",fileData,responseBody);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    //  Did we get a 200 response indicating success?
    var statusCode = rest.ResponseStatusCode;
    if (statusCode !== 200) {
        console.log("Error response: " + responseBody.GetAsString());
        console.log("Status code: " + statusCode + ", Status text: " + rest.ResponseStatusText);
        return;
    }

    console.log("File successfully uploaded.");

}

chilkatExample();