SumindaD/index.html

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta name="google-signin-client_id" content="<CLIENT ID>">
    <title>Google Auth To AWS</title>
</head>
<body>
    <script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
    <script src="https://apis.google.com/js/platform.js" async defer></script>
    <script src="https://sdk.amazonaws.com/js/aws-sdk-2.487.0.min.js"></script>

    <div class="g-signin2" data-onsuccess="onSignIn"></div>
    <a href="#" onclick="signOut();">Sign out</a>

    <p id="log"></p>

    <script>
        var awsBucketName = '<AWS BUCKET NAME>';
        var awsRoleARN = '<AWS IAM ROLE ARN>';

        function onSignIn(googleUser) {

            var profile = googleUser.getBasicProfile();
            logMessage('Logged in.');
            logMessage('Name: ' + profile.getName());
            logMessage('Email: ' + profile.getEmail());

            var id_token = googleUser.getAuthResponse().id_token;

            assumeRoleWithAWS(id_token);
        }

        function signOut() {
            var auth2 = gapi.auth2.getAuthInstance();
            auth2.signOut().then(function () {
                logMessage('User signed out.');
                logMessage('');
            });
        }

        function assumeRoleWithAWS(webIdentityToken){
            var params = {
                DurationSeconds: 3600,
                RoleArn: awsRoleARN,
                RoleSessionName: "GoogleOAuth2Session",
                WebIdentityToken: webIdentityToken
            };

            var sts = new AWS.STS();
            sts.assumeRoleWithWebIdentity(params, function(err, data) {
                if (err) console.log(err, err.stack);
                else {
                    logMessage('Successfully assumed role with AWS');

                    var creds = new AWS.Credentials({
                        accessKeyId: data.Credentials.AccessKeyId, secretAccessKey: data.Credentials.SecretAccessKey, sessionToken: data.Credentials.SessionToken
                    });

                    AWS.config.credentials = creds;
                    getAWSS3BucketObjects();
                }
            });
        }

        function getAWSS3BucketObjects(){
            var s3 = new AWS.S3();

            var params = {
                Bucket: awsBucketName
            };

            s3.listObjects(params, function(err, data) {
                if (err) console.log(err, err.stack);
                else{
                    logMessage('');
                    logMessage('====== S3 Bucket Objects ======');
                    data.Contents.forEach(element => {
                        logMessage(element.Key);
                    });
                    logMessage('');
                }
            });
        }

        function logMessage(message){
            $('#log').append(message + '</br>');
        }
    </script>

</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta name="google-signin-client_id" content="<CLIENT ID>">
	<title>Google Auth To AWS</title>
	</head>
	<body>
	<script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
	<script src="https://apis.google.com/js/platform.js" async defer></script>
	<script src="https://sdk.amazonaws.com/js/aws-sdk-2.487.0.min.js"></script>

	<div class="g-signin2" data-onsuccess="onSignIn"></div>
	<a href="#" onclick="signOut();">Sign out</a>

	<p id="log"></p>

	<script>
	var awsBucketName = '<AWS BUCKET NAME>';
	var awsRoleARN = '<AWS IAM ROLE ARN>';

	function onSignIn(googleUser) {

	var profile = googleUser.getBasicProfile();
	logMessage('Logged in.');
	logMessage('Name: ' + profile.getName());
	logMessage('Email: ' + profile.getEmail());

	var id_token = googleUser.getAuthResponse().id_token;

	assumeRoleWithAWS(id_token);
	}

	function signOut() {
	var auth2 = gapi.auth2.getAuthInstance();
	auth2.signOut().then(function () {
	logMessage('User signed out.');
	logMessage('');
	});
	}

	function assumeRoleWithAWS(webIdentityToken){
	var params = {
	DurationSeconds: 3600,
	RoleArn: awsRoleARN,
	RoleSessionName: "GoogleOAuth2Session",
	WebIdentityToken: webIdentityToken
	};

	var sts = new AWS.STS();
	sts.assumeRoleWithWebIdentity(params, function(err, data) {
	if (err) console.log(err, err.stack);
	else {
	logMessage('Successfully assumed role with AWS');

	var creds = new AWS.Credentials({
	accessKeyId: data.Credentials.AccessKeyId, secretAccessKey: data.Credentials.SecretAccessKey, sessionToken: data.Credentials.SessionToken
	});

	AWS.config.credentials = creds;
	getAWSS3BucketObjects();
	}
	});
	}

	function getAWSS3BucketObjects(){
	var s3 = new AWS.S3();

	var params = {
	Bucket: awsBucketName
	};

	s3.listObjects(params, function(err, data) {
	if (err) console.log(err, err.stack);
	else{
	logMessage('');
	logMessage('====== S3 Bucket Objects ======');
	data.Contents.forEach(element => {
	logMessage(element.Key);
	});
	logMessage('');
	}
	});
	}

	function logMessage(message){
	$('#log').append(message + '</br>');
	}
	</script>

	</body>
	</html>