diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index c51ab3f52..e9ba96264 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -12,7 +12,7 @@ jobs: strategy: matrix: - node-version: [12.x, 14.x] + node-version: [14, 16] steps: - uses: actions/checkout@v2 diff --git a/CHANGELOG.md b/CHANGELOG.md index 57d5b6129..cc6870b0e 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,65 @@ +# [6.2.0](https://github.com/socketio/engine.io/compare/6.1.3...6.2.0) (2022-04-17) + + +### Features + +* add the "maxPayload" field in the handshake details ([088dcb4](https://github.com/socketio/engine.io/commit/088dcb4dff60df39785df13d0a33d3ceaa1dff38)) + +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} +``` + + + +## [6.1.3](https://github.com/socketio/engine.io/compare/6.1.2...6.1.3) (2022-02-23) + + +### Bug Fixes + +* **typings:** allow CorsOptionsDelegate as cors options ([#641](https://github.com/socketio/engine.io/issues/641)) ([a463d26](https://github.com/socketio/engine.io/commit/a463d268ed90064e7863679bda423951de108c36)) +* **uws:** properly handle chunked content ([#642](https://github.com/socketio/engine.io/issues/642)) ([3367440](https://github.com/socketio/engine.io/commit/33674403084c329dc6ad026c4122333a6f8a9992)) + + + +## [6.1.2](https://github.com/socketio/engine.io/compare/6.1.1...6.1.2) (2022-01-18) + + +### Bug Fixes + +* **uws:** expose additional uWebSockets.js options ([#634](https://github.com/socketio/engine.io/issues/634)) ([49bb7cf](https://github.com/socketio/engine.io/commit/49bb7cf66518d4b49baf883a16ee1fe1ed8aed28)) +* **uws:** fix HTTP long-polling with CORS ([45112a3](https://github.com/socketio/engine.io/commit/45112a30d1af4cc25b21a5d658a748583cb64ed4)) +* **uws:** handle invalid websocket upgrades ([8b4d6a8](https://github.com/socketio/engine.io/commit/8b4d6a8176db72f5c2420c5a45f0d97d33af049b)) + + + +## [6.1.1](https://github.com/socketio/engine.io/compare/6.1.0...6.1.1) (2022-01-11) + +:warning: This release contains an important security fix :warning: + +A malicious client could send a specially crafted HTTP request, triggering an uncaught exception and killing the Node.js process: + +> RangeError: Invalid WebSocket frame: RSV2 and RSV3 must be clear +> at Receiver.getInfo (/.../node_modules/ws/lib/receiver.js:176:14) +> at Receiver.startLoop (/.../node_modules/ws/lib/receiver.js:136:22) +> at Receiver._write (/.../node_modules/ws/lib/receiver.js:83:10) +> at writeOrBuffer (internal/streams/writable.js:358:12) + +This bug was introduced by [this commit](https://github.com/socketio/engine.io/commit/f3c291fa613a9d50c924d74293035737fdace4f2), included in `engine.io@4.0.0`, so previous releases are not impacted. + +Thanks to Marcus Wejderot from Mevisio for the responsible disclosure. + +### Bug Fixes + +* properly handle invalid data sent by a malicious websocket client ([c0e194d](https://github.com/socketio/engine.io/commit/c0e194d44933bd83bf9a4b126fca68ba7bf5098c)) + + + # [6.1.0](https://github.com/socketio/engine.io/compare/6.0.0...6.1.0) (2021-11-08) diff --git a/examples/latency/package-lock.json b/examples/latency/package-lock.json index df4557f9a..059da8d7e 100644 --- a/examples/latency/package-lock.json +++ b/examples/latency/package-lock.json @@ -491,17 +491,17 @@ "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=" }, "engine.io": { - "version": "4.0.0", - "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.0.0.tgz", - "integrity": "sha512-WyTa1NJR8rRmPXGXNSSgA+XhzfYLVcRBjRoFx7gI3cARnEsyuMpg0PS/PMDnPMMQtkjmVZsi2/ETrpq4mhoYSw==", + "version": "4.1.2", + "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.1.2.tgz", + "integrity": "sha512-t5z6zjXuVLhXDMiFJPYsPOWEER8B0tIsD3ETgw19S1yg9zryvUfY3Vhtk3Gf4sihw/bQGIqQ//gjvVlu+Ca0bQ==", "requires": { "accepts": "~1.3.4", "base64id": "2.0.0", "cookie": "~0.4.1", "cors": "~2.8.5", - "debug": "~4.1.0", + "debug": "~4.3.1", "engine.io-parser": "~4.0.0", - "ws": "^7.1.2" + "ws": "~7.4.2" }, "dependencies": { "cookie": { @@ -510,11 +510,11 @@ "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==" }, "debug": { - "version": "4.1.1", - "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz", - "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==", + "version": "4.3.3", + "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.3.tgz", + "integrity": "sha512-/zxw5+vh1Tfv+4Qn7a5nsbcJKPaSvCDhojn6FEl9vupwK2VCSDtEiEtqr8DFtzYFOdz63LBkxec7DYuc2jon6Q==", "requires": { - "ms": "^2.1.1" + "ms": "2.1.2" } }, "ms": { @@ -1523,9 +1523,9 @@ "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=" }, "ws": { - "version": "7.3.1", - "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.1.tgz", - "integrity": "sha512-D3RuNkynyHmEJIpD2qrgVkc9DQ23OrN/moAwZX4L8DfvszsJxpjQuUq3LMx6HoYji9fbIOBY18XWBsAux1ZZUA==" + "version": "7.4.6", + "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz", + "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==" }, "xmlhttprequest-ssl": { "version": "1.5.5", diff --git a/examples/latency/package.json b/examples/latency/package.json index 2df714738..2f7c6d34a 100644 --- a/examples/latency/package.json +++ b/examples/latency/package.json @@ -3,7 +3,7 @@ "version": "0.1.0", "dependencies": { "enchilada": "0.13.0", - "engine.io": "^4.0.0", + "engine.io": "^4.1.2", "engine.io-client": "^4.0.0", "express": "^4.17.1", "smoothie": "1.19.0" diff --git a/lib/server.ts b/lib/server.ts index 78648dfc7..739e38aa3 100644 --- a/lib/server.ts +++ b/lib/server.ts @@ -9,7 +9,7 @@ import { serialize } from "cookie"; import { Server as DEFAULT_WS_ENGINE } from "ws"; import { IncomingMessage, Server as HttpServer } from "http"; import { CookieSerializeOptions } from "cookie"; -import { CorsOptions } from "cors"; +import { CorsOptions, CorsOptionsDelegate } from "cors"; const debug = debugModule("engine"); @@ -105,7 +105,7 @@ export interface ServerOptions { /** * the options that will be forwarded to the cors module */ - cors?: CorsOptions; + cors?: CorsOptions | CorsOptionsDelegate; /** * whether to enable compatibility with Socket.IO v2 clients * @default false @@ -245,6 +245,13 @@ export abstract class BaseServer extends EventEmitter { }); } + if (transport === "websocket" && !upgrade) { + debug("invalid transport upgrade"); + return fn(Server.errors.BAD_REQUEST, { + name: "TRANSPORT_HANDSHAKE_ERROR" + }); + } + if (!this.opts.allowRequest) return fn(); return this.opts.allowRequest(req, (message, success) => { @@ -609,9 +616,6 @@ export class Server extends BaseServer { client.maybeUpgrade(transport); } } else { - // transport error handling takes over - websocket.removeListener("error", onUpgradeError); - const closeConnection = (errorCode, errorContext) => abortUpgrade(socket, errorCode, errorContext); this.handshake(req._query.transport, req, closeConnection); diff --git a/lib/socket.ts b/lib/socket.ts index 6697ed45a..73b9b0f1f 100644 --- a/lib/socket.ts +++ b/lib/socket.ts @@ -3,6 +3,8 @@ import debugModule from "debug"; import { IncomingMessage } from "http"; import { Transport } from "./transport"; import { Server } from "./server"; +import { setTimeout, clearTimeout } from "timers"; +import { Packet, PacketType, RawData } from "engine.io-parser"; const debug = debugModule("engine:socket"); @@ -17,7 +19,7 @@ export class Socket extends EventEmitter { private server: Server; private upgrading: boolean; private upgraded: boolean; - private writeBuffer: any[]; + private writeBuffer: Packet[]; private packetsFn: any[]; private sentCallbackFn: any[]; private cleanupFn: any[]; @@ -88,7 +90,8 @@ export class Socket extends EventEmitter { sid: this.id, upgrades: this.getAvailableUpgrades(), pingInterval: this.server.opts.pingInterval, - pingTimeout: this.server.opts.pingTimeout + pingTimeout: this.server.opts.pingTimeout, + maxPayload: this.server.opts.maxHttpBufferSize }) ); @@ -115,7 +118,7 @@ export class Socket extends EventEmitter { * @param {Object} packet * @api private */ - private onPacket(packet) { + private onPacket(packet: Packet) { if ("open" !== this.readyState) { return debug("packet received with closed socket"); } @@ -416,7 +419,7 @@ export class Socket extends EventEmitter { /** * Sends a message packet. * - * @param {String} message + * @param {Object} data * @param {Object} options * @param {Function} callback * @return {Socket} for chaining @@ -435,12 +438,14 @@ export class Socket extends EventEmitter { /** * Sends a packet. * - * @param {String} packet type - * @param {String} optional, data + * @param {String} type - packet type + * @param {String} data * @param {Object} options + * @param {Function} callback + * * @api private */ - private sendPacket(type, data?, options?, callback?) { + private sendPacket(type: PacketType, data?: RawData, options?, callback?) { if ("function" === typeof options) { callback = options; options = null; @@ -452,10 +457,11 @@ export class Socket extends EventEmitter { if ("closing" !== this.readyState && "closed" !== this.readyState) { debug('sending packet "%s" (%s)', type, data); - const packet: any = { - type: type, - options: options + const packet: Packet = { + type, + options }; + if (data) packet.data = data; // exports packetCreate event diff --git a/lib/transport.ts b/lib/transport.ts index 53d8ad023..70bc9cfa3 100644 --- a/lib/transport.ts +++ b/lib/transport.ts @@ -3,6 +3,7 @@ import * as parser_v4 from "engine.io-parser"; import * as parser_v3 from "./parser-v3/index"; import debugModule from "debug"; import { IncomingMessage } from "http"; +import { Packet } from "engine.io-parser"; const debug = debugModule("engine:transport"); @@ -111,7 +112,7 @@ export abstract class Transport extends EventEmitter { * @param {Object} packet * @api protected */ - protected onPacket(packet) { + protected onPacket(packet: Packet) { this.emit("packet", packet); } diff --git a/lib/transports-uws/polling.ts b/lib/transports-uws/polling.ts index 8d6b98279..67581abd1 100644 --- a/lib/transports-uws/polling.ts +++ b/lib/transports-uws/polling.ts @@ -122,6 +122,20 @@ export class Polling extends Transport { return; } + const expectedContentLength = Number(req.headers["content-length"]); + + if (!expectedContentLength) { + this.onError("content-length header required"); + res.writeStatus("411 Length Required").end(); + return; + } + + if (expectedContentLength > this.maxHttpBufferSize) { + this.onError("payload too large"); + res.writeStatus("413 Payload Too Large").end(); + return; + } + const isBinary = "application/octet-stream" === req.headers["content-type"]; if (isBinary && this.protocol === 4) { @@ -131,17 +145,8 @@ export class Polling extends Transport { this.dataReq = req; this.dataRes = res; - let chunks = []; - let contentLength = 0; - - const cleanup = () => { - this.dataReq = this.dataRes = chunks = null; - }; - - const onClose = () => { - cleanup(); - this.onError("data request connection closed prematurely"); - }; + let buffer; + let offset = 0; const headers = { // text/html is required instead of text/plain to avoid an @@ -150,36 +155,63 @@ export class Polling extends Transport { }; this.headers(req, headers); - Object.keys(headers).forEach(key => { + for (let key in headers) { res.writeHeader(key, String(headers[key])); - }); - - const onEnd = () => { - this.onData(Buffer.concat(chunks).toString()); + } - if (this.readyState !== "closing") { - res.end("ok"); - } - cleanup(); + const onEnd = buffer => { + this.onData(buffer.toString()); + this.onDataRequestCleanup(); + res.end("ok"); }; - res.onAborted(onClose); + res.onAborted(() => { + this.onDataRequestCleanup(); + this.onError("data request connection closed prematurely"); + }); - res.onData((chunk, isLast) => { - chunks.push(Buffer.from(chunk)); - contentLength += Buffer.byteLength(chunk); - if (contentLength > this.maxHttpBufferSize) { - this.onError("payload too large"); - res.writeStatus("413 Payload Too Large"); - res.end(); + res.onData((arrayBuffer, isLast) => { + const totalLength = offset + arrayBuffer.byteLength; + if (totalLength > expectedContentLength) { + this.onError("content-length mismatch"); + res.close(); // calls onAborted return; } + + if (!buffer) { + if (isLast) { + onEnd(Buffer.from(arrayBuffer)); + return; + } + buffer = Buffer.allocUnsafe(expectedContentLength); + } + + Buffer.from(arrayBuffer).copy(buffer, offset); + if (isLast) { - onEnd(); + if (totalLength != expectedContentLength) { + this.onError("content-length mismatch"); + res.writeStatus("400 Content-Length Mismatch").end(); + this.onDataRequestCleanup(); + return; + } + onEnd(buffer); + return; } + + offset = totalLength; }); } + /** + * Cleanup request. + * + * @api private + */ + private onDataRequestCleanup() { + this.dataReq = this.dataRes = null; + } + /** * Processes the incoming data payload. * diff --git a/lib/transports/polling.ts b/lib/transports/polling.ts index c96010f1d..fdb4d2644 100644 --- a/lib/transports/polling.ts +++ b/lib/transports/polling.ts @@ -52,7 +52,7 @@ export class Polling extends Transport { * @param {http.IncomingMessage} * @api private */ - onRequest(req) { + onRequest(req: IncomingMessage & { res: ServerResponse }) { const res = req.res; if ("GET" === req.method) { @@ -112,7 +112,7 @@ export class Polling extends Transport { * * @api private */ - onDataRequest(req, res) { + onDataRequest(req: IncomingMessage, res: ServerResponse) { if (this.dataReq) { // assert: this.dataRes, '.dataReq and .dataRes should be (un)set together' this.onError("data request overlap from client"); @@ -155,8 +155,8 @@ export class Polling extends Transport { } if (contentLength > this.maxHttpBufferSize) { - chunks = isBinary ? Buffer.concat([]) : ""; - req.connection.destroy(); + res.writeHead(413).end(); + cleanup(); } }; diff --git a/lib/userver.ts b/lib/userver.ts index 76c9a41d1..66fa40414 100644 --- a/lib/userver.ts +++ b/lib/userver.ts @@ -1,10 +1,28 @@ import debugModule from "debug"; import { AttachOptions, BaseServer, Server } from "./server"; -import { HttpRequest, HttpResponse } from "uWebSockets.js"; +import { HttpRequest, HttpResponse, TemplatedApp } from "uWebSockets.js"; import transports from "./transports-uws"; const debug = debugModule("engine:uws"); +export interface uOptions { + /** + * What permessage-deflate compression to use. uWS.DISABLED, uWS.SHARED_COMPRESSOR or any of the uWS.DEDICATED_COMPRESSOR_xxxKB. + * @default uWS.DISABLED + */ + compression?: number; + /** + * Maximum amount of seconds that may pass without sending or getting a message. Connection is closed if this timeout passes. Resolution (granularity) for timeouts are typically 4 seconds, rounded to closest. Disable by using 0. + * @default 120 + */ + idleTimeout?: number; + /** + * Maximum length of allowed backpressure per socket when publishing or sending messages. Slow receivers with too high backpressure will be skipped until they catch up or timeout. + * @default 1024 * 1024 + */ + maxBackpressure?: number; +} + export class uServer extends BaseServer { protected init() {} protected cleanup() {} @@ -28,6 +46,10 @@ export class uServer extends BaseServer { req.connection = { remoteAddress: Buffer.from(res.getRemoteAddressAsText()).toString() }; + + res.onAborted(() => { + debug("response has been aborted"); + }); } protected createTransport(transportName, req) { @@ -39,13 +61,18 @@ export class uServer extends BaseServer { * @param app * @param options */ - public attach(app /* : TemplatedApp */, options: AttachOptions = {}) { + public attach( + app /* : TemplatedApp */, + options: AttachOptions & uOptions = {} + ) { const path = (options.path || "/engine.io").replace(/\/$/, "") + "/"; - - app + (app as TemplatedApp) .any(path, this.handleRequest.bind(this)) // .ws(path, { + compression: options.compression, + idleTimeout: options.idleTimeout, + maxBackpressure: options.maxBackpressure, maxPayloadLength: this.opts.maxHttpBufferSize, upgrade: this.handleUpgrade.bind(this), open: ws => { @@ -248,6 +275,10 @@ class ResponseWrapper { this.res.end(data); } + public onData(fn) { + this.res.onData(fn); + } + public onAborted(fn) { this.res.onAborted(fn); } diff --git a/package-lock.json b/package-lock.json index 07c3c5570..4355bb446 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,8 +1,1944 @@ { "name": "engine.io", - 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"sha512-dOlCBKnDw4iShaIsH/bxujKTM18+2TOAsYz+KSc11Am38H4q5Xw8Bbz97ZYdrVNM+um3p7w86Bvvmcn9q+5+eQ==" + }, "@socket.io/component-emitter": { - "version": "3.0.0", - "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.0.0.tgz", - "integrity": "sha512-2pTGuibAXJswAPJjaKisthqS/NOK5ypG4LYT6tEAV0S/mxW0zOIvYvGK0V8w8+SHxAm6vRMSjqSalFXeBAqs+Q==", + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz", + "integrity": "sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg==", "dev": true }, "@types/cookie": { @@ -422,9 +2363,9 @@ "dev": true }, "eiows": { - "version": "3.3.2", - "resolved": "https://registry.npmjs.org/eiows/-/eiows-3.3.2.tgz", - "integrity": "sha512-7cwZl/itR8NP6YXObVo583sxQcoKdcpeuRZqelnuqlQZvJH7oBSVvMRq8vZQkL4IXCXJPL8iC2M6haSawmtOsg==", + "version": "3.8.0", + "resolved": "https://registry.npmjs.org/eiows/-/eiows-3.8.0.tgz", + "integrity": "sha512-ElPW+EakV8NSsA5QWJCWEx88LO/xyqMFilvsZ4P9+uyVS4ikbq2zndnYC++XLKysC+c922bGkAKeNrqWNmwNyg==", "dev": true }, "emoji-regex": { @@ -434,20 +2375,16 @@ "dev": true }, "engine.io-client": { - "version": "6.1.0", - "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.1.0.tgz", - "integrity": "sha512-kNwjOjrU981utPZSzFbNU6lYda7B5xQs875x2DyCaalktt3ZSKc7DpCY18dml6JFzFH8dxsKAW0LMaGFMD7GmQ==", + "version": "6.2.0", + "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.2.0.tgz", + "integrity": "sha512-gz4quwdj6i17TihLOUv1mZ7/AcsrS0/Oq1ggmqod9/ULDraBIptYoZsyISLD9+chnvN6QmSZD7zuBGuiNk1hRw==", "dev": true, "requires": { - "@socket.io/component-emitter": "~3.0.0", + "@socket.io/component-emitter": "~3.1.0", "debug": "~4.3.1", "engine.io-parser": "~5.0.0", - "has-cors": "1.1.0", - "parseqs": "0.0.6", - "parseuri": "0.0.6", "ws": "~8.2.3", - "xmlhttprequest-ssl": "~2.0.0", - "yeast": "0.1.2" + "xmlhttprequest-ssl": "~2.0.0" } }, "engine.io-client-v3": { @@ -501,7 +2438,8 @@ "version": "7.4.6", "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz", "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==", - "dev": true + "dev": true, + "requires": {} }, "xmlhttprequest-ssl": { "version": "1.6.3", @@ -512,18 +2450,11 @@ } }, "engine.io-parser": { - "version": "5.0.0", - "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.0.tgz", - "integrity": "sha512-wn6QavHEqXoM+cg+x8uUG7GhxLBCfKEKNEsCNc7V2ugj3gB3lK91l1MuZiy6xFB2V9D1eew0aWkmpiT/aBb/KA==", + "version": "5.0.3", + "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.3.tgz", + "integrity": "sha512-BtQxwF27XUNnSafQLvDi0dQ8s3i6VgzSoQMJacpIcGNrlUdfHSKbgm3jmjCVvQluGzqwujQMPAoMai3oYSTurg==", "requires": { - "base64-arraybuffer": "~1.0.1" - }, - "dependencies": { - "base64-arraybuffer": { - "version": "1.0.1", - "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-1.0.1.tgz", - "integrity": "sha512-vFIUq7FdLtjZMhATwDul5RZWv2jpXQ09Pd6jcVEOvIsqCWTRFD/ONHNfyOS8dA/Ippi5dsIgpyKWKZaAKZltbA==" - } + "@socket.io/base64-arraybuffer": "~1.0.2" } }, "escalade": { @@ -1220,6 +3151,15 @@ "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=", "dev": true }, + "string_decoder": { + "version": "1.1.1", + "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz", + "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==", + "dev": true, + "requires": { + "safe-buffer": "~5.1.0" + } + }, "string-width": { "version": "4.2.3", "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz", @@ -1231,15 +3171,6 @@ "strip-ansi": "^6.0.1" } }, - "string_decoder": { - "version": "1.1.1", - "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz", - "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==", - "dev": true, - "requires": { - "safe-buffer": "~5.1.0" - } - }, "strip-ansi": { "version": "6.0.1", "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz", @@ -1320,17 +3251,17 @@ "integrity": "sha512-4xfscpisVgqqDfPaJo5vkd+Qd/ItkoagnHpufr+i2QCHBsNYp+G7UAoyFl8aPtx879u38wPV65rZ8qbGZijalA==", "dev": true }, - "uWebSockets.js": { - "version": "github:uNetworking/uWebSockets.js#4558ee00f9f1f686fffe1accbfc2e85b1af9c50f", - "from": "github:uNetworking/uWebSockets.js#v20.0.0", - "dev": true - }, "util-deprecate": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=", "dev": true }, + "uWebSockets.js": { + "version": "git+https://git@github.com/uNetworking/uWebSockets.js.git#4558ee00f9f1f686fffe1accbfc2e85b1af9c50f", + "dev": true, + "from": "uWebSockets.js@github:uNetworking/uWebSockets.js#v20.0.0" + }, "vary": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", @@ -1397,7 +3328,8 @@ "ws": { "version": "8.2.3", "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz", - "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==" + "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==", + "requires": {} }, "xmlhttprequest-ssl": { "version": "2.0.0", diff --git a/package.json b/package.json index 72d5fbdc0..ff3daf62d 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "engine.io", - "version": "6.1.0", + "version": "6.2.0", "description": "The realtime engine behind Socket.IO. Provides the foundation of a bidirectional connection between client and server", "type": "commonjs", "main": "./build/engine.io.js", @@ -39,13 +39,13 @@ "cookie": "~0.4.1", "cors": "~2.8.5", "debug": "~4.3.1", - "engine.io-parser": "~5.0.0", + "engine.io-parser": "~5.0.3", "ws": "~8.2.3" }, "devDependencies": { "babel-eslint": "^8.0.2", - "eiows": "^3.3.0", - "engine.io-client": "6.1.0", + "eiows": "^3.8.0", + "engine.io-client": "6.2.0", "engine.io-client-v3": "npm:engine.io-client@3.5.2", "expect.js": "^0.3.1", "mocha": "^9.1.3", diff --git a/test/engine.io.js b/test/engine.io.js index 08e10ac53..a0abe7625 100644 --- a/test/engine.io.js +++ b/test/engine.io.js @@ -14,7 +14,7 @@ describe("engine", () => { expect(protocol).to.be.a("number"); }); - it("should be the same version as client", () => { + it.skip("should be the same version as client", () => { const version = require("../package.json").version; expect(version).to.be(require("engine.io-client/package.json").version); }); diff --git a/test/server.js b/test/server.js index 80086c84d..906bdb6be 100644 --- a/test/server.js +++ b/test/server.js @@ -157,6 +157,46 @@ describe("server", () => { } ); }); + + it("should not throw when the client sends invalid data during the handshake (ws only)", done => { + listen(port => { + // will throw "RangeError: Invalid WebSocket frame: RSV2 and RSV3 must be clear" + request + .get(`http://localhost:${port}/engine.io/`) + .set("connection", "upgrade") + .set("upgrade", "websocket") + .set("Sec-WebSocket-Version", "13") + .set("Sec-WebSocket-Key", "DXR4dX615eRds8nRmlhqtw==") + .query({ transport: "websocket", EIO: 4 }) + .send("test") + .end(() => {}); + + setTimeout(done, 50); + }); + }); + + it("should not throw when the client sends invalid data during the handshake (upgrade)", done => { + listen(port => { + request + .get(`http://localhost:${port}/engine.io/`) + .query({ transport: "polling", EIO: 4 }) + .end((err, res) => { + const sid = JSON.parse(res.text.substring(1)).sid; + + request + .get(`http://localhost:${port}/engine.io/`) + .set("connection", "upgrade") + .set("upgrade", "websocket") + .set("Sec-WebSocket-Version", "13") + .set("Sec-WebSocket-Key", "DXR4dX615eRds8nRmlhqtw==") + .query({ transport: "websocket", EIO: 4, sid }) + .send("test") + .end(() => {}); + + setTimeout(done, 50); + }); + }); + }); }); describe("handshake", () => { @@ -409,6 +449,7 @@ describe("server", () => { expect(obj.sid).to.be.a("string"); expect(obj.pingTimeout).to.be.a("number"); expect(obj.upgrades).to.be.an("array"); + expect(obj.maxPayload).to.eql(1000000); done(); }); }); @@ -563,9 +604,6 @@ describe("server", () => { }); it("should disallow bad requests (handshake error)", function(done) { - if (process.env.EIO_WS_ENGINE === "uws") { - return this.skip(); - } const partialDone = createPartialDone(done, 2); engine = listen( @@ -578,8 +616,6 @@ describe("server", () => { expect(err.code).to.be(3); expect(err.message).to.be("Bad request"); expect(err.context.name).to.be("TRANSPORT_HANDSHAKE_ERROR"); - expect(err.context.error).to.be.an(Error); - expect(err.context.error.name).to.be("TypeError"); partialDone(); }); @@ -1920,6 +1956,65 @@ describe("server", () => { }); }); + it("should arrive when content is split in multiple chunks (polling)", done => { + const engine = listen( + { + maxHttpBufferSize: 1e10 + }, + port => { + const client = new ClientSocket(`ws://localhost:${port}`, { + transports: ["polling"] + }); + + engine.on("connection", socket => { + socket.on("message", data => { + client.close(); + done(); + }); + }); + + client.on("open", () => { + client.send("a".repeat(1e6)); + }); + } + ); + }); + + it("should arrive when content is sent with chunked transfer-encoding (polling)", function(done) { + if (process.env.EIO_WS_ENGINE === "uws") { + // µWebSockets.js does not currently support chunked encoding: https://github.com/uNetworking/uWebSockets.js/issues/669 + return this.skip(); + } + const engine = listen(port => { + const client = new ClientSocket(`ws://localhost:${port}`, { + transports: ["polling"] + }); + + engine.on("connection", socket => { + socket.on("message", data => { + expect(data).to.eql("123"); + + client.close(); + done(); + }); + }); + + client.on("open", () => { + const req = http.request({ + host: "localhost", + port, + path: `/engine.io/?EIO=4&transport=polling&sid=${client.id}`, + method: "POST" + }); + + req.write(process.env.EIO_CLIENT === "3" ? "4:41" : "41"); + req.write("2"); + req.write("3"); + req.end(); + }); + }); + }); + it("should arrive as ArrayBuffer if requested when binary data sent as Buffer (polling)", done => { const binaryData = Buffer.allocUnsafe(5); for (let i = 0; i < binaryData.length; i++) { @@ -3262,7 +3357,7 @@ describe("server", () => { expect(res.headers["set-cookie"].length).to.be(2); expect(res.headers["set-cookie"][1]).to.be("mycookie=456"); - const sid = JSON.parse(res.text.substring(4)).sid; + const sid = JSON.parse(res.text.substring(5)).sid; request .post(`http://localhost:${port}/engine.io/`) @@ -3299,7 +3394,7 @@ describe("server", () => { expect(res.headers["set-cookie"].length).to.be(2); expect(res.headers["set-cookie"][1]).to.be("mycookie=456"); - const sid = JSON.parse(res.text.substring(4)).sid; + const sid = JSON.parse(res.text.substring(5)).sid; request .post(`http://localhost:${port}/engine.io/`) @@ -3517,6 +3612,31 @@ describe("server", () => { } ); }); + + it("should work with CORS enabled", done => { + engine = listen( + { cors: { origin: true, headers: ["my-header"], credentials: true } }, + port => { + const client = new ClientSocket(`ws://localhost:${port}`, { + transports: ["polling"] + }); + engine.on("connection", socket => { + socket.on("message", msg => { + expect(msg).to.be("hey"); + socket.send("holà"); + }); + }); + client.on("open", () => { + client.send("hey"); + }); + client.on("message", msg => { + expect(msg).to.be("holà"); + client.close(); + done(); + }); + } + ); + }); }); describe("wsEngine option", () => {