const decryptor = require('bindings')('decryptor.node'); exports.getKey = (trackId) => { return decryptor.getKey(trackId); } exports.decryptFile = (key, inputFilename, outputFilename) => { decryptor.decryptFile(key, inputFilename, outputFilename); return; } exports.decryptBuffer = (key, data) => { return decryptor.decryptBuffer(key, data); }