(Node.js) S3 List Bucket Objects (using Chilkat REST)

Demonstrates how to fetch a list of objects in an S3 bucket.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // 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.
    var bTls = true;
    var port = 443;
    var bAutoReconnect = true;
    var success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect);

    // ----------------------------------------------------------------------------
    // Important: For buckets created in regions outside us-east-1,
    // there are three important changes that need to be made.
    // See Working with S3 Buckets in Non-us-east-1 Regions for the details.
    // ----------------------------------------------------------------------------

    // 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);

    //  Set the bucket name via the HOST header.
    //  In this case, the bucket name is "chilkat100".
    rest.Host = "chilkat100.s3.amazonaws.com";

    var sbResponse = new chilkat.StringBuilder();
    success = rest.FullRequestNoBodySb("GET","/",sbResponse);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    var statusCode = rest.ResponseStatusCode;
    console.log("Response status code = " + statusCode);

    var xml = new chilkat.Xml();
    xml.LoadSb(sbResponse,true);
    console.log(xml.GetXml());

    if (statusCode !== 200) {
        console.log("Failed.  See error information in the XML.");
        return;
    }

    // Use this online tool to generate code from sample XML: 
    // Generate Code to Create XML

    var Key;
    var LastModified;
    var ETag;
    var SizeDecimalStr;
    var ID;
    var DisplayName;
    var StorageClass;

    var Name = xml.GetChildContent("Name");
    var MaxKeys = xml.GetChildIntValue("MaxKeys");
    var IsTruncated = xml.GetChildContent("IsTruncated");
    var i = 0;
    var count_i = xml.NumChildrenHavingTag("Contents");
    while (i < count_i) {
        xml.I = i;
        Key = xml.GetChildContent("Contents[i]|Key");
        LastModified = xml.GetChildContent("Contents[i]|LastModified");
        ETag = xml.GetChildContent("Contents[i]|ETag");
        SizeDecimalStr = xml.GetChildContent("Contents[i]|Size");
        ID = xml.GetChildContent("Contents[i]|Owner|ID");
        DisplayName = xml.GetChildContent("Contents[i]|Owner|DisplayName");
        StorageClass = xml.GetChildContent("Contents[i]|StorageClass");
        i = i+1;
    }


}

chilkatExample();