node.js canvas recorder

gistfile1.js

// CLIENT (PER FRAME)

var formData = new FormData();

formData.append( 'filename', 'frame' + ( count ++ ) + '.png' );
formData.append( 'data', canvas.toDataURL( 'image/png' ) );

var xhr = new XMLHttpRequest();
xhr.open( 'POST', 'http://127.0.0.1:1337/' );
xhr.send( formData );


// SERVER

var http = require( 'http' );
var fs = require( 'fs' );

http.createServer( function ( request, response ) {

	var body = '';

	request.addListener( 'data', function ( data ) {
	
		body += data;
		
	} );
	
	request.addListener( 'end', function () {
	
		var parts = body.split( '------' );
		var POST = {};

		for ( var i = 1, l = parts.length - 1; i < l; i ++ ) {
		
			var param = parts[ i ].split( '\r\n\r\n' )[ 0 ].split( 'name=' )[ 1 ].split( '"' )[ 1 ];			
			var content = parts[ i ].split( '\r\n\r\n' )[ 1 ].trim();
			
			POST[ param ] = content;
			
		}

		var buffer = new Buffer( POST[ 'data' ].substr( POST[ 'data' ].indexOf(',') + 1 ), 'base64' );

		fs.writeFile( 'images/' + POST[ 'filename' ], buffer.toString( 'binary' ), 'binary' );
	
	} );

	response.writeHead( 200, {

		'Content-Type': 'text/plain',
		'Access-Control-Allow-Origin': '*'

	} );
	response.end();

}).listen( 1337 );