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chore(deps): update dependency socket.io to v4 #27

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chore(deps): update dependency socket.io to v4 #27

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@mend-for-github-com mend-for-github-com bot commented Jul 16, 2024 •
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This PR contains the following updates:

Package Type Update Change
socket.io (source) dependencies major ^3.1.0 -> ^4.6.2

By merging this PR, the issue #17 will be automatically resolved and closed:

Severity CVSS Score CVE
High High 7.5 CVE-2024-37890
High High 7.3 CVE-2023-32695
High High 7.3 CVE-2024-38355
High High 7.1 CVE-2022-41940

Release Notes

socketio/socket.io (socket.io)

v4.6.2

Compare Source

Bug Fixes
Links

v4.6.1

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Bug Fixes
  • properly handle manually created dynamic namespaces (0d0a7a2)
  • types: fix nodenext module resolution compatibility (#​4625) (d0b22c6)
Links

v4.6.0

Compare Source

Bug Fixes
  • add timeout method to remote socket (#​4558) (0c0eb00)
  • typings: properly type emits with timeout (f3ada7d)
Features
Promise-based acknowledgements

This commit adds some syntactic sugar around acknowledgements:

  • emitWithAck()
try {
  const responses = await io.timeout(1000).emitWithAck("some-event");
  console.log(responses); // one response per client
} catch (e) {
  // some clients did not acknowledge the event in the given delay
}

io.on("connection", async (socket) => {
    // without timeout
  const response = await socket.emitWithAck("hello", "world");

  // with a specific timeout
  try {
    const response = await socket.timeout(1000).emitWithAck("hello", "world");
  } catch (err) {
    // the client did not acknowledge the event in the given delay
  }
});
  • serverSideEmitWithAck()
try {
  const responses = await io.timeout(1000).serverSideEmitWithAck("some-event");
  console.log(responses); // one response per server (except itself)
} catch (e) {
  // some servers did not acknowledge the event in the given delay
}

Added in 184f3cf.

Connection state recovery

This feature allows a client to reconnect after a temporary disconnection and restore its state:

  • id
  • rooms
  • data
  • missed packets

Usage:

import { Server } from "socket.io";

const io = new Server({
  connectionStateRecovery: {
    // default values
    maxDisconnectionDuration: 2 * 60 * 1000,
    skipMiddlewares: true,
  },
});

io.on("connection", (socket) => {
  console.log(socket.recovered); // whether the state was recovered or not
});

Here's how it works:

  • the server sends a session ID during the handshake (which is different from the current id attribute, which is public and can be freely shared)
  • the server also includes an offset in each packet (added at the end of the data array, for backward compatibility)
  • upon temporary disconnection, the server stores the client state for a given delay (implemented at the adapter level)
  • upon reconnection, the client sends both the session ID and the last offset it has processed, and the server tries to restore the state

The in-memory adapter already supports this feature, and we will soon update the Postgres and MongoDB adapters. We will also create a new adapter based on Redis Streams, which will support this feature.

Added in 54d5ee0.

Compatibility (for real) with Express middlewares

This feature implements middlewares at the Engine.IO level, because Socket.IO middlewares are meant for namespace authorization and are not executed during a classic HTTP request/response cycle.

Syntax:

io.engine.use((req, res, next) => {
  // do something

  next();
});

// with express-session
import session from "express-session";

io.engine.use(session({
  secret: "keyboard cat",
  resave: false,
  saveUninitialized: true,
  cookie: { secure: true }
}));

// with helmet
import helmet from "helmet";

io.engine.use(helmet());

A workaround was possible by using the allowRequest option and the "headers" event, but this feels way cleaner and works with upgrade requests too.

Added in 24786e7.

Error details in the disconnecting and disconnect events

The disconnect event will now contain additional details about the disconnection reason.

io.on("connection", (socket) => {
  socket.on("disconnect", (reason, description) => {
    console.log(description);
  });
});

Added in 8aa9499.

Automatic removal of empty child namespaces

This commit adds a new option, "cleanupEmptyChildNamespaces". With this option enabled (disabled by default), when a socket disconnects from a dynamic namespace and if there are no other sockets connected to it then the namespace will be cleaned up and its adapter will be closed.

import { createServer } from "node:http";
import { Server } from "socket.io";

const httpServer = createServer();
const io = new Server(httpServer, {
  cleanupEmptyChildNamespaces: true
});

Added in 5d9220b.

A new "addTrailingSlash" option

The trailing slash which was added by default can now be disabled:

import { createServer } from "node:http";
import { Server } from "socket.io";

const httpServer = createServer();
const io = new Server(httpServer, {
  addTrailingSlash: false
});

In the example above, the clients can omit the trailing slash and use /socket.io instead of /socket.io/.

Added in d0fd474.

Performance Improvements
  • precompute the WebSocket frames when broadcasting (da2b542)
Links:

v4.5.4

Compare Source

This release contains a bump of:

Links:

v4.5.3

Compare Source

Bug Fixes
  • typings: accept an HTTP2 server in the constructor (d3d0a2d)
  • typings: apply types to "io.timeout(...).emit()" calls (e357daf)
Links:

v4.5.2

Compare Source

Bug Fixes
  • prevent the socket from joining a room after disconnection (18f3fda)
  • uws: prevent the server from crashing after upgrade (ba497ee)
Links:

v4.5.1

Compare Source

Bug Fixes
  • forward the local flag to the adapter when using fetchSockets() (30430f0)
  • typings: add HTTPS server to accepted types (#​4351) (9b43c91)
Links:

v4.5.0

Compare Source

Bug Fixes
Features
  • add support for catch-all listeners for outgoing packets (531104d)

This is similar to onAny(), but for outgoing packets.

Syntax:

socket.onAnyOutgoing((event, ...args) => {
  console.log(event);
});
  • broadcast and expect multiple acks (8b20457)

Syntax:

io.timeout(1000).emit("some-event", (err, responses) => {
  // ...
});
  • add the "maxPayload" field in the handshake details (088dcb4)

So that clients in HTTP long-polling can decide how many packets they have to send to stay under the maxHttpBufferSize
value.

This is a backward compatible change which should not mandate a new major revision of the protocol (we stay in v4), as
we only add a field in the JSON-encoded handshake data:

0{"sid":"lv_VI97HAXpY6yYWAAAC","upgrades":["websocket"],"pingInterval":25000,"pingTimeout":5000,"maxPayload":1000000}
Links:

v4.4.1

Compare Source

Bug Fixes
Links:

v4.4.0

Compare Source

Bug Fixes
  • only set 'connected' to true after middleware execution (02b0f73)
Features
  • add an implementation based on uWebSockets.js (c0d8c5a)
const { App } = require("uWebSockets.js");
const { Server } = require("socket.io");

const app = new App();
const io = new Server();

io.attachApp(app);

io.on("connection", (socket) => {
  // ...
});

app.listen(3000, (token) => {
  if (!token) {
    console.warn("port already in use");
  }
});
socket.timeout(5000).emit("my-event", (err) => {
  if (err) {
    // the client did not acknowledge the event in the given delay
  }
});
interface SocketData {
  name: string;
  age: number;
}

const io = new Server<ClientToServerEvents, ServerToClientEvents, InterServerEvents, SocketData>();

io.on("connection", (socket) => {
  socket.data.name = "john";
  socket.data.age = 42;
});
Links:

v4.3.2

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Bug Fixes
Links:

v4.3.1

Compare Source

Bug Fixes
Links:

v4.3.0

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For this release, most of the work was done on the client side, see here.

Bug Fixes
  • typings: add name field to cookie option (#​4099) (033c5d3)
  • send volatile packets with binary attachments (dc81fcf)
Features
Links:

v4.2.0

Compare Source

Bug Fixes
  • typings: allow async listener in typed events (ccfd8ca)
Features
  • ignore the query string when serving client JavaScript (#​4024) (24fee27)
Links:

v4.1.3

Compare Source

Bug Fixes
  • fix io.except() method (94e27cd)
  • remove x-sourcemap header (a4dffc6)
Links:

v4.1.2

Compare Source

Bug Fixes
  • typings: ensure compatibility with TypeScript 3.x (0cb6ac9)
  • ensure compatibility with previous versions of the adapter (a2cf248)
Links:

v4.1.1

Compare Source

Bug Fixes
  • typings: properly type server-side events (b84ed1e)
  • typings: properly type the adapter attribute (891b187)
Links:

v4.1.0

Compare Source

Blog post: https://socket.io/blog/socket-io-4-1-0/

Features
  • add support for inter-server communication (93cce05)
  • notify upon namespace creation (499c892)
  • add a "connection_error" event (7096e98, from engine.io)
  • add the "initial_headers" and "headers" events (2527543, from engine.io)
Links:

v4.0.2

Compare Source

Bug Fixes
  • typings: make "engine" attribute public (b81ce4c)
  • properly export the Socket class (d65b6ee)
Links:

v4.0.1

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Bug Fixes
Links:

v4.0.0

Compare Source

Blog post: https://socket.io/blog/socket-io-4-release/
Migration guide: https://socket.io/docs/v3/migrating-from-3-x-to-4-0/

Bug Fixes
  • make io.to(...) immutable (ac9e8ca)
Features
BREAKING CHANGES
  • io.to(...) now returns an immutable operator

Previously, broadcasting to a given room (by calling io.to()) would mutate the io instance, which could lead to surprising behaviors, like:

io.to("room1");
io.to("room2").emit(/* ... */); // also sent to room1

// or with async/await
io.to("room3").emit("details", await fetchDetails()); // random behavior: maybe in room3, maybe to all clients

Calling io.to() (or any other broadcast modifier) will now return an immutable instance.

Links:

v3.1.2

Compare Source

Bug Fixes
  • ignore packets received after disconnection (494c64e)
Links:

v3.1.1

Compare Source

Bug Fixes
  • properly parse the CONNECT packet in v2 compatibility mode (6f4bd7f)
  • typings: add return types and general-case overload signatures (#​3776) (9e8f288)
  • typings: update the types of "query", "auth" and "headers" (4f2e9a7)
Links:
  • If you want to rebase/retry this PR, check this box

@mend-for-github-com mend-for-github-com bot added the security fix Security fix generated by Mend label Jul 16, 2024
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