Direct to S3 Upload (Single File)

gistfile1.txt

$('.attach').change(function(e){
	$('.upload-spinner').show();
	AWS.config.update({ accessKeyId: AWSKEY, secretAccessKey: AWSSECRET });
	AWS.config.region = 'us-east-1';
	
	var bucket = new AWS.S3({ params: { Bucket: AWSBUCKET } });
	var $file = e.target.files[0];
	
	var params = {
		Key: $file.name,
		ContentType: $file.type,
		Body: $file,
		ServerSideEncryption: 'AES256'
	};
	
	if($file){
		bucket.putObject(params, function(err, response){
			if(err){
				alert(err.message);
				return false;
			}
	
			//Successful upload
			var filepath = BUCKETURL + $file.name;
	
			$('.upload-spinner').fadeOut();
	
			$('.attached-image').val(filepath);
	
			//File Preview
			$('.preview-image').attr('src', filepath);
			$('.preview-image').fadeIn();
	
		}).on('httpUploadProgress',function(progress) {
		console.log(Math.round(progress.loaded / progress.total * 100) + '% done');
	});
	
	}
	else{
		alert('No File Selected');
	}
});