Node.js

S3 Add Tags to an Object

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Demonstrates how to add one or more tags to an S3 object. 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.

    var rest = new chilkat.Rest();

    //  Connect to the Amazon AWS REST server in the desired region.
    //  (for us-east-1, we use "s3.amazonaws.com", but for another region, such as us-west-2, we would use "s3-us-west-2.amazonaws.com")
    var bTls = true;
    var port = 443;
    var bAutoReconnect = true;
    success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect);

    //  Provide AWS credentials.
    var authAws = new chilkat.AuthAws();
    authAws.AccessKey = "AWS_ACCESS_KEY";
    authAws.SecretKey = "AWS_SECRET_KEY";
    authAws.ServiceName = "s3";
    authAws.Region = "us-east-1";

    rest.SetAuthAws(authAws);

    //  Set the bucket name via the HOST header.
    //  In this case, the bucket name is "chilkat100".
    //  Note that the Host header should use "bucketName.s3.amazonaws.com", not "bucketName.s3-us-east-1.amazonaws.com"
    //  The same applies to aother regions.  The Host header should simply be <bucketName>.s3.amazonaws.com regardless of the region.
    rest.Host = "chilkat100.s3.amazonaws.com";

    var xml = new chilkat.Xml();
    xml.Tag = "Tagging";
    xml.UpdateChildContent("TagSet|Tag|Key","plant");
    xml.UpdateChildContent("TagSet|Tag|Value","chili pepper");

    var sbRequestBody = new chilkat.StringBuilder();
    xml.GetXmlSb(sbRequestBody);

    //  It is important to add the terminating "=" after the "?tagging".
    var sbResponse = new chilkat.StringBuilder();
    success = rest.FullRequestSb("PUT","/chiliPepper.gif?tagging=",sbRequestBody,sbResponse);
    if (success == false) {
        console.log(rest.LastErrorText);
        return;
    }

    console.log("Response status code: " + rest.ResponseStatusCode);

    //  When successful, the S3 Storage service will respond with a 200 response code,
    //  with an XML body.  
    if (rest.ResponseStatusCode !== 200) {
        //  Examine the request/response to see what happened.
        console.log("response status code = " + rest.ResponseStatusCode);
        console.log("response status text = " + rest.ResponseStatusText);
        console.log("response header: " + rest.ResponseHeader);
        console.log("response body: " + sbResponse.GetAsString());
        console.log("---");
        console.log("LastRequestStartLine: " + rest.LastRequestStartLine);
        console.log("LastRequestHeader: " + rest.LastRequestHeader);
    }

    console.log(sbResponse.GetAsString());
    console.log("Success.");

}

chilkatExample();