socket.io-react-hooks-advanced/dist/plugins/encryptionPlugin.js

A modular and extensible React + Socket.IO hook library designed for real-world applications. Supports namespaced sockets, reconnection strategies, offline queues, latency monitoring, middleware, encryption, and more.

import { decryptAES, encryptAES } from "../utils/encryption";
export const encryptionPlugin = ({ secretKey, encryptEvents = [], decryptEvents = [], }) => {
    const emitMiddleware = (event, data, next) => {
        if (encryptEvents.includes(event)) {
            try {
                const plaintext = JSON.stringify(data);
                const encrypted = encryptAES(plaintext, secretKey);
                next(event, encrypted);
            }
            catch (err) {
                console.error("Encryption error:", err);
                next(event, data);
            }
        }
        else {
            next(event, data);
        }
    };
    const onMiddleware = (event, data, next) => {
        if (decryptEvents.includes(event)) {
            try {
                const decryptedStr = decryptAES(data, secretKey);
                const decryptedData = JSON.parse(decryptedStr);
                next(decryptedData);
            }
            catch (err) {
                console.error("Decryption error:", err);
                next(data);
            }
        }
        else {
            next(data);
        }
    };
    return { emitMiddleware, onMiddleware };
};