added missing file

src/file.js

@@ -0,0 +1,33 @@
+var fs = require('fs'),
+	nconf = require('nconf'),
+	path = require('path'),
+	winston = require('winston');
+
+var file = {};
+
+file.saveFileToLocal = function(filename, tempPath, callback) {
+
+	var uploadPath = path.join(nconf.get('base_dir'), nconf.get('upload_path'), filename);
+
+	winston.info('Saving file '+ filename +' to : ' + uploadPath);
+
+	var is = fs.createReadStream(tempPath);
+	var os = fs.createWriteStream(uploadPath);
+
+	is.on('end', function () {
+		callback(null, {
+			url: nconf.get('upload_url') + filename
+		});
+	});
+
+	os.on('error', function (err) {
+		winston.error(err.message);
+		callback(err);
+	});
+
+	is.pipe(os);
+}
+
+module.exports = file;
+
+