diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml new file mode 100644 index 0000000..05e7446 --- /dev/null +++ b/.github/workflows/ci.yml @@ -0,0 +1,25 @@ +name: CI + +on: + push: + branches: [main, portfolio-audit] + pull_request: + +permissions: + contents: read + +jobs: + chat-tests: + runs-on: ubuntu-latest + defaults: + run: + working-directory: chat_app + steps: + - uses: actions/checkout@v4 + - uses: actions/setup-node@v4 + with: + node-version: '22' + cache: npm + cache-dependency-path: chat_app/package-lock.json + - run: npm ci + - run: npm test diff --git a/README.es.md b/README.es.md index 736d3a9..62be25d 100644 --- a/README.es.md +++ b/README.es.md @@ -17,7 +17,7 @@ Colección de pequeños proyectos para navegador y Node.js con los que practicar Para proyectos de navegador, abre su `index.html` o sirve el repositorio: ```bash -python3 -m http.server 8000 +python3 -m http.server 8000 --bind 127.0.0.1 ``` Para el prototipo de chat: @@ -25,9 +25,12 @@ Para el prototipo de chat: ```bash cd chat_app npm ci +npm test node server.js ``` +El chat escucha en `127.0.0.1:3000`. Sus pruebas automáticas cubren archivos estáticos desde otro directorio, rutas inexistentes/privadas y entrega de mensajes entre dos clientes locales. GitHub Actions ejecuta estas pruebas con Node.js 22. Este prototipo no tiene autenticación, persistencia ni protección para ofrecer un servicio público. + ## Seguridad y privacidad Los proyectos de inicio de sesión o mensajería son ejemplos educativos locales. No deben recopilar credenciales reales ni desplegarse como sistemas de autenticación. Las dependencias se instalan desde el archivo de bloqueo y no se guardan en Git. @@ -36,6 +39,8 @@ Los proyectos de inicio de sesión o mensajería son ejemplos educativos locales Es un archivo de ejercicios pequeños, no una única aplicación de producción. Los proyectos más sólidos podrán separarse después en repositorios independientes con pruebas e instrucciones de despliegue. +`proyecto_marvel/` queda excluido de los proyectos seleccionados hasta verificar la procedencia de `marvel.jpg`. La imagen se conserva sin cambios y no queda cubierta por una licencia del repositorio. + ## Licencia No se ha seleccionado una licencia global. diff --git a/README.md b/README.md index caa9618..606fd90 100644 --- a/README.md +++ b/README.md @@ -17,7 +17,7 @@ A collection of small browser and Node.js projects used to practise interface be Open its `index.html` directly, or serve the repository locally: ```bash -python3 -m http.server 8000 +python3 -m http.server 8000 --bind 127.0.0.1 ``` Then visit `http://localhost:8000`. @@ -27,9 +27,12 @@ Then visit `http://localhost:8000`. ```bash cd chat_app npm ci +npm test node server.js ``` +The chat listens on `127.0.0.1:3000`. Its automated tests cover static files from a different working directory, missing/private paths, and message delivery between two local clients. GitHub Actions runs these tests with Node.js 22. This prototype has no authentication, persistence, or public-service hardening. + ## Security and privacy Projects named as login or messaging demonstrations are local educational examples. Do not collect real credentials or deploy them as authentication systems. Dependencies are installed from the lockfile and are not committed to the repository. @@ -38,6 +41,8 @@ Projects named as login or messaging demonstrations are local educational exampl This is an archive of small exercises rather than a single production application. The strongest projects may later be extracted into focused repositories with tests and deployment instructions. +`proyecto_marvel/` is excluded from selected work until the provenance of `marvel.jpg` is verified. The image is retained unchanged and is not covered by a repository license. + ## License No repository-wide license has been selected. diff --git a/chat_app/package-lock.json b/chat_app/package-lock.json index b9d7749..fa81b9f 100644 --- a/chat_app/package-lock.json +++ b/chat_app/package-lock.json @@ -1,12 +1,16 @@ { - "name": "chat_app", + "name": "local-socket-chat", "lockfileVersion": 3, "requires": true, "packages": { "": { + "name": "local-socket-chat", "dependencies": { "express": "^4.21.1", "socket.io": "^4.8.1" + }, + "devDependencies": { + "socket.io-client": "^4.8.4" } }, "node_modules/@socket.io/component-emitter": { @@ -14,11 +18,6 @@ "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.2.tgz", "integrity": "sha512-9BCxFwvbGg/RsZK9tjXd8s4UcwR0MWeFQ1XEKIQVVvAGJyINdrqKMcTRyLoK8Rse1GjzLV9cwjWV1olXRWEXVA==" }, - "node_modules/@types/cookie": { - "version": "0.4.1", - "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz", - 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"version": "8.17.1", - "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.1.tgz", - "integrity": "sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==", + "version": "8.21.3", + "resolved": "https://registry.npmjs.org/ws/-/ws-8.21.3.tgz", + "integrity": "sha512-201TZ/kPWxoPr/OKWjquZR1SWKXcvxdH+e1xrx89b3YbmzLMFCLfnaG1HFIgWzJOEWZ7MvpK++odZufgYR50Rw==", "engines": { "node": ">=10.0.0" }, @@ -937,6 +1128,15 @@ "optional": true } } + }, + "node_modules/xmlhttprequest-ssl": { + "version": "2.1.2", + "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.1.2.tgz", + "integrity": "sha512-TEU+nJVUUnA4CYJFLvK5X9AOeH4KvDvhIfm0vV1GaQRtchnG0hgK5p8hw/xjv8cunWYCsiPCSDzObPyhEwq3KQ==", + "dev": true, + "engines": { + "node": ">=0.4.0" + } } } } diff --git a/chat_app/package.json b/chat_app/package.json index 8ba7875..a657e5f 100644 --- a/chat_app/package.json +++ b/chat_app/package.json @@ -1,6 +1,14 @@ { + "name": "local-socket-chat", + "private": true, + "scripts": { + "test": "node --test" + }, "dependencies": { "express": "^4.21.1", "socket.io": "^4.8.1" + }, + "devDependencies": { + "socket.io-client": "^4.8.4" } } diff --git a/chat_app/server.js b/chat_app/server.js index 5b74ab9..b820335 100644 --- a/chat_app/server.js +++ b/chat_app/server.js @@ -1,25 +1,35 @@ +const path = require('path'); const express = require('express'); const http = require('http'); const { Server } = require('socket.io'); -const app = express(); -const server = http.createServer(app); -const io = new Server(server); +function createServer() { + const app = express(); + const server = http.createServer(app); + const io = new Server(server); -app.use(express.static('public')); + app.use(express.static(path.join(__dirname, 'public'))); -io.on('connection', (socket) => { - console.log('Un usuario se ha conectado'); + io.on('connection', (socket) => { + console.log('A user connected'); - socket.on('chat message', (msg) => { - io.emit('chat message', msg); + socket.on('chat message', (msg) => { + io.emit('chat message', msg); + }); + + socket.on('disconnect', () => { + console.log('User disconnected'); + }); }); - socket.on('disconnect', () => { - console.log('Usuario desconectado'); + return { app, io, server }; +} + +if (require.main === module) { + const { server } = createServer(); + server.listen(3000, '127.0.0.1', () => { + console.log('Chat server running at http://127.0.0.1:3000'); }); -}); +} -server.listen(3000, () => { - console.log('Servidor corriendo en http://localhost:3000'); -}); +module.exports = { createServer }; diff --git a/chat_app/server.test.js b/chat_app/server.test.js new file mode 100644 index 0000000..4c977ac --- /dev/null +++ b/chat_app/server.test.js @@ -0,0 +1,65 @@ +const assert = require('node:assert/strict'); +const http = require('node:http'); +const os = require('node:os'); +const path = require('node:path'); +const { spawn } = require('node:child_process'); +const { once } = require('node:events'); +const test = require('node:test'); +const { io: connect } = require('socket.io-client'); +const { createServer } = require('./server'); + +async function start(t) { + const { io, server } = createServer(); + t.after(() => new Promise((resolve) => io.close(resolve))); + await new Promise((resolve) => server.listen(0, '127.0.0.1', resolve)); + return `http://127.0.0.1:${server.address().port}`; +} + +function get(url) { + return new Promise((resolve, reject) => { + http.get(url, (response) => { + let body = ''; + response.setEncoding('utf8'); + response.on('data', (chunk) => { body += chunk; }); + response.on('end', () => resolve({ status: response.statusCode, body })); + response.on('error', reject); + }).on('error', reject); + }); +} + +test('serves the chat client from another working directory', { timeout: 5000 }, async (t) => { + const modulePath = path.join(__dirname, 'server.js'); + const child = spawn(process.execPath, ['-e', `const {server} = require(${JSON.stringify(modulePath)}).createServer(); server.listen(0, '127.0.0.1', () => process.send(server.address().port));`], { cwd: os.tmpdir(), stdio: ['ignore', 'ignore', 'pipe', 'ipc'] }); + t.after(async () => { + if (child.exitCode === null) { + const exited = once(child, 'exit'); + child.kill(); + await exited; + } + }); + const [port] = await once(child, 'message'); + const response = await get(`http://127.0.0.1:${port}/`); + assert.equal(response.status, 200); + assert.match(response.body, /

Chat en Tiempo Real<\/h1>/); + assert.match(response.body, /\/socket.io\/socket.io.js/); +}); + +test('does not expose missing files or server source', { timeout: 5000 }, async (t) => { + const base = await start(t); + for (const route of ['/missing', '/server.js', '/package.json']) { + const response = await get(base + route); + assert.equal(response.status, 404); + assert.doesNotMatch(response.body, /function createServer/); + } +}); + +test('broadcasts a message to sender and another client', { timeout: 5000 }, async (t) => { + const base = await start(t); + const clients = [connect(base, { forceNew: true, reconnection: false }), connect(base, { forceNew: true, reconnection: false })]; + t.after(() => clients.forEach((client) => client.close())); + await Promise.all(clients.map((client) => once(client, 'connect'))); + const received = clients.map((client) => once(client, 'chat message')); + clients[0].emit('chat message', 'Synthetic local message'); + assert.deepEqual(await Promise.all(received), [['Synthetic local message'], ['Synthetic local message']]); + clients.forEach((client) => client.close()); +});