From de1fd36dc9ecff82e68d8e2e4e5ae536250b0a1e Mon Sep 17 00:00:00 2001 From: JinHyuk Kim Date: Tue, 20 Nov 2018 06:31:13 +0900 Subject: [PATCH 01/42] [docs] Fix incorrect socket.io-protocol version in Readme (#89) Ref: https://github.com/socketio/socket.io-protocol --- Readme.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Readme.md b/Readme.md index ac22117..2ca7633 100644 --- a/Readme.md +++ b/Readme.md @@ -4,7 +4,7 @@ [![Build Status](https://secure.travis-ci.org/socketio/socket.io-parser.svg?branch=master)](http://travis-ci.org/socketio/socket.io-parser) [![NPM version](https://badge.fury.io/js/socket.io-parser.svg)](http://badge.fury.io/js/socket.io-parser) -A socket.io encoder and decoder written in JavaScript complying with version `3` +A socket.io encoder and decoder written in JavaScript complying with version `4` of [socket.io-protocol](https://github.com/socketio/socket.io-protocol). Used by [socket.io](https://github.com/automattic/socket.io) and [socket.io-client](https://github.com/automattic/socket.io-client). From 9b3572ea23caaed1e32052289b0077b21f775de9 Mon Sep 17 00:00:00 2001 From: Dimitar Nestorov Date: Fri, 20 Sep 2019 11:51:26 +0300 Subject: [PATCH 02/42] [chore] Bump debug to version 4.1.0 (#92) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index f95861d..46d2789 100644 --- a/package.json +++ b/package.json @@ -12,7 +12,7 @@ "is-buffer.js" ], "dependencies": { - "debug": "~3.1.0", + "debug": "~4.1.0", "component-emitter": "1.2.1", "isarray": "2.0.1" }, From 652402a8568c2138da3c27c96756b32efca6c4bf Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Fri, 20 Sep 2019 10:59:20 +0200 Subject: [PATCH 03/42] [chore] Release 3.4.0 The build failure is due to some ES6 usage in the debug dependency, which will have to be fixed in the future (by using Babel for example). Diff: https://github.com/socketio/socket.io-parser/compare/3.3.0...3.4.0 --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 46d2789..5e56691 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "3.3.0", + "version": "3.4.0", "description": "socket.io protocol parser", "repository": { "type": "git", From a5d04354e6e98b5318d5276123b0b5a5e698bf8e Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 13 May 2020 07:23:37 +0200 Subject: [PATCH 04/42] test: transpile to es5 with babelify --- .travis.yml | 2 +- package-lock.json | 8257 +++++++++++++++++++++++++++++++++++++++++++++ package.json | 3 + zuul.config.js | 10 + 4 files changed, 8271 insertions(+), 1 deletion(-) create mode 100644 package-lock.json diff --git a/.travis.yml b/.travis.yml index d01efa3..d6cccc0 100644 --- a/.travis.yml +++ b/.travis.yml @@ -7,7 +7,7 @@ git: depth: 1 matrix: include: - - node_js: 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"sha1-cK0n+wpq+WiiFR/F1eiV2qGu0V0=", + "dev": true, + "requires": { + "localtunnel": "1.5.0" + } + }, + "zuul-ngrok": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/zuul-ngrok/-/zuul-ngrok-4.0.0.tgz", + "integrity": "sha1-+nTR/MNFemYHOnB4IkQ1mRJscaA=", + "dev": true, + "requires": { + "ngrok": "2.1.8", + "xtend": "4.0.1" + }, + "dependencies": { + "xtend": { + "version": "4.0.1", + "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz", + "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=", + "dev": true + } + } + } + } +} diff --git a/package.json b/package.json index 5e56691..aeb04a9 100644 --- a/package.json +++ b/package.json @@ -17,6 +17,9 @@ "isarray": "2.0.1" }, "devDependencies": { + "@babel/core": "~7.9.6", + "@babel/preset-env": "~7.9.6", + "babelify": "~10.0.0", "benchmark": "2.1.2", "expect.js": "0.3.1", "mocha": "3.2.0", diff --git a/zuul.config.js b/zuul.config.js index 46d3108..cc78487 100644 --- a/zuul.config.js +++ b/zuul.config.js @@ -23,6 +23,16 @@ if (process.env.CI === 'true') { type: 'ngrok', bind_tls: true }; + zuulConfig.browserify = [ + { + transform: { + name: "babelify", + presets: ["@babel/preset-env"], + global: true, + only: [ /\/node_modules\/debug\// ] + } + } + ] } var isPullRequest = process.env.TRAVIS_PULL_REQUEST && process.env.TRAVIS_PULL_REQUEST !== 'false'; From dcb942d24db97162ad16a67c2a0cf30875342d55 Mon Sep 17 00:00:00 2001 From: bcaller Date: Wed, 13 May 2020 06:37:32 +0100 Subject: [PATCH 05/42] fix: prevent DoS (OOM) via massive packets (#95) When maxHttpBufferSize is large (1e8 bytes), a payload of length 100MB can be sent like so: 99999991:422222222222222222222222222222222222222222222... This massive packet can cause OOM via building up many many `ConsOneByteString` objects due to concatenation: 99999989 `ConsOneByteString`s and then converting the massive integer to a `Number`. The performance can be improved to avoid this by using `substring` rather than building the string via concatenation. Below I tried one payload of length 7e7 as the 1e8 payload took so long to process that it timed out before running out of memory. ``` ==== JS stack trace ========================================= 0: ExitFrame [pc: 0x13c5b79] Security context: 0x152fe7b808d1 1: decodeString [0x2dd385fb5d1] [/node_modules/socket.io-parser/index.js:~276] [pc=0xf59746881be](this=0x175d34c42b69 ,0x14eccff10fe1 ) 2: add [0x31fc2693da29] [/node_modules/socket.io-parser/index.js:242] [bytecode=0xa7ed6554889 offset=11](this=0x0a2881be5069 ,0x14eccff10fe1 Date: Wed, 13 May 2020 07:57:04 +0200 Subject: [PATCH 06/42] chore: release 3.4.1 Diff: https://github.com/socketio/socket.io-parser/compare/3.4.0...3.4.1 --- CHANGELOG.md | 6 ++++++ package-lock.json | 2 +- package.json | 4 ++-- 3 files changed, 9 insertions(+), 3 deletions(-) create mode 100644 CHANGELOG.md diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..4fe8f3a --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,6 @@ +## [3.4.1](https://github.com/socketio/socket.io-parser/compare/3.4.0...3.4.1) (2020-05-13) + + +### Bug Fixes + +* prevent DoS (OOM) via massive packets ([#95](https://github.com/socketio/socket.io-parser/issues/95)) ([dcb942d](https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55)) diff --git a/package-lock.json b/package-lock.json index 91d45c8..307b55c 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "3.4.0", + "version": "3.4.1", "lockfileVersion": 1, "requires": true, "dependencies": { diff --git a/package.json b/package.json index aeb04a9..59acfab 100644 --- a/package.json +++ b/package.json @@ -1,10 +1,10 @@ { "name": "socket.io-parser", - "version": "3.4.0", + "version": "3.4.1", "description": "socket.io protocol parser", "repository": { "type": "git", - "url": "https://github.com/Automattic/socket.io-parser.git" + "url": "https://github.com/socketio/socket.io-parser.git" }, "files": [ "binary.js", From 6a59237ed03f91e507e954333d63d19f3db534c6 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Thu, 17 Sep 2020 15:27:33 +0200 Subject: [PATCH 07/42] test: add Node.js 12 and 14 in the build matrix Node.js 8 is removed, as it is now EOL. Note: the node_modules folder is cached by default --- .travis.yml | 6 ++---- package.json | 5 ++++- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/.travis.yml b/.travis.yml index d6cccc0..7d1d119 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,17 +1,15 @@ language: node_js sudo: false node_js: - - '8' - '10' + - '12' + - '14' git: depth: 1 matrix: include: - node_js: 10 env: BROWSERS=1 -cache: - directories: - - node_modules env: global: - secure: >- diff --git a/package.json b/package.json index 59acfab..ae6be5c 100644 --- a/package.json +++ b/package.json @@ -30,5 +30,8 @@ "scripts": { "test": "make test" }, - "license": "MIT" + "license": "MIT", + "engines": { + "node": ">=10.0.0" + } } From ea41f225ee9922adb09cdb46bb27260ebbd8e8a4 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Fri, 18 Sep 2020 14:09:53 +0200 Subject: [PATCH 08/42] perf: update benchmarks --- bench/bench.js | 10 ------- bench/index.js | 68 +++++++++++++++++++++++------------------------- bench/results.md | 4 +++ 3 files changed, 37 insertions(+), 45 deletions(-) delete mode 100644 bench/bench.js create mode 100644 bench/results.md diff --git a/bench/bench.js b/bench/bench.js deleted file mode 100644 index d767d5a..0000000 --- a/bench/bench.js +++ /dev/null @@ -1,10 +0,0 @@ -var bencher = require('./index'); -bencher(function(benchmark) { - function logMean(test) { - console.log(test.name + ' mean run time: ' + test.stats.mean); - } - - for (var i = 0; i < benchmark.length; i++) { - logMean(benchmark[i]); - } -}); diff --git a/bench/index.js b/bench/index.js index 8c1994e..16c8015 100644 --- a/bench/index.js +++ b/bench/index.js @@ -1,20 +1,21 @@ -var Benchmark = require('benchmark'); -var parser = require('../index'); +const Benchmark = require('benchmark'); +const parser = require('../index'); function test(packet, deferred) { - var encoder = new parser.Encoder(); - var decoder = new parser.Decoder(); - encoder.encode(packet, function(encodedPackets) { - var decoder = new parser.Decoder(); - decoder.on('decoded', function(packet) { + const encoder = new parser.Encoder(); + encoder.encode(packet, encodedPackets => { + const decoder = new parser.Decoder(); + decoder.on('decoded', packet => { deferred.resolve(); }); - decoder.add(encodedPackets[0]); + for (const encodedPacket of encodedPackets) { + decoder.add(encodedPacket); + } }); } -var dataObject = { +const dataObject = [{ 'a': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17], 'b': 'xxxyyyzzzalsdfalskdjfalksdjfalksdjfalksdjfjjfjfjfjjfjfjfj', 'data': { @@ -25,57 +26,54 @@ var dataObject = { } } } -}; -var bigArray = []; -for (var i = 0; i < 250; i++) { +}]; +const bigArray = []; +for (let i = 0; i < 250; i++) { bigArray.push(dataObject); } +const suite = new Benchmark.Suite(); - -module.exports = function(callback) { - var suite = new Benchmark.Suite(); - - suite.add('small json parse', {defer: true, fn: function(deferred) { - var packet = { +suite + .add('small json parse', {defer: true, fn: deferred => { + const packet = { type: parser.EVENT, nsp: '/bench', data: dataObject }; test(packet, deferred); }}) - .add('big json parse', {defer: true, fn: function(deferred) { - var packet = { + .add('big json parse', {defer: true, fn: deferred => { + const packet = { type: parser.EVENT, nsp: '/bench', data: bigArray }; test(packet, deferred); }}) - .add('json with small binary parse', {defer: true, fn: function(deferred) { - var packet = { - type: parser.EVENT, + .add('json with small binary parse', {defer: true, fn: deferred => { + const packet = { + type: parser.BINARY_EVENT, nsp: '/bench', - data: {'a': [1, 2, 3], 'b': 'xxxyyyzzz', 'data': new Buffer(1000)} + data: [{'a': [1, 2, 3], 'b': 'xxxyyyzzz', 'data': Buffer.allocUnsafe(1000)}] }; test(packet, deferred); }}) - .add('json with big binary parse', {defer: true, fn: function(deferred) { - var bigBinaryData = { - bin1: new Buffer(10000), + .add('json with big binary parse', {defer: true, fn: deferred => { + const bigBinaryData = [{ + bin1: Buffer.allocUnsafe(10000), arr: bigArray, - bin2: new Buffer(10000), - bin3: new Buffer(10000) - }; - var packet = { - type: parser.EVENT, + bin2: Buffer.allocUnsafe(10000), + bin3: Buffer.allocUnsafe(10000) + }]; + const packet = { + type: parser.BINARY_EVENT, nsp: '/bench', data: bigBinaryData }; test(packet, deferred); }}) - .on('complete', function() { - callback(this); + .on('cycle', function(event) { + console.log(String(event.target)); }) .run({'async': true}); -}; diff --git a/bench/results.md b/bench/results.md new file mode 100644 index 0000000..911570b --- /dev/null +++ b/bench/results.md @@ -0,0 +1,4 @@ +small json parse x 67,893 ops/sec ±4.30% (76 runs sampled) +big json parse x 1,507 ops/sec ±1.72% (82 runs sampled) +json with small binary parse x 62,367 ops/sec ±6.03% (74 runs sampled) +json with big binary parse x 572 ops/sec ±1.25% (86 runs sampled) From b23576a73ee1d95ffdf75249f8af5ff969237cd4 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 22 Sep 2020 22:41:56 +0200 Subject: [PATCH 09/42] refactor: migrate to TypeScript --- .gitignore | 3 +- Makefile | 14 -- bench/index.js | 2 +- index.js | 412 ------------------------------------- is-buffer.js | 20 -- binary.js => lib/binary.ts | 112 +++++----- lib/index.ts | 395 +++++++++++++++++++++++++++++++++++ lib/is-buffer.ts | 22 ++ package-lock.json | 41 +++- package.json | 22 +- test/arraybuffer.js | 2 +- test/blob.js | 2 +- test/buffer.js | 6 +- test/helpers.js | 2 +- test/parser.js | 2 +- tsconfig.json | 12 ++ zuul.config.js | 10 +- 17 files changed, 553 insertions(+), 526 deletions(-) delete mode 100644 Makefile delete mode 100644 index.js delete mode 100644 is-buffer.js rename binary.js => lib/binary.ts (51%) create mode 100644 lib/index.ts create mode 100644 lib/is-buffer.ts create mode 100644 tsconfig.json diff --git a/.gitignore b/.gitignore index bb66ab2..44d646d 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,2 @@ node_modules -build -components +dist/ diff --git a/Makefile b/Makefile deleted file mode 100644 index 5bbd22a..0000000 --- a/Makefile +++ /dev/null @@ -1,14 +0,0 @@ - -help: ## print this message - @grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' - -test: ## run tests either in the browser or in Node.js, based on the `BROWSERS` variable - @if [ "x$(BROWSERS)" = "x" ]; then make test-node; else make test-zuul; fi - -test-node: ## run tests in Node.js - @./node_modules/.bin/mocha --reporter dot --bail test/index.js - -test-zuul: ## run tests in the browser - @./node_modules/zuul/bin/zuul test/index.js - -.PHONY: help test test-node test-zuul diff --git a/bench/index.js b/bench/index.js index 16c8015..10cb8dc 100644 --- a/bench/index.js +++ b/bench/index.js @@ -1,5 +1,5 @@ const Benchmark = require('benchmark'); -const parser = require('../index'); +const parser = require('..'); function test(packet, deferred) { const encoder = new parser.Encoder(); diff --git a/index.js b/index.js deleted file mode 100644 index ff613cc..0000000 --- a/index.js +++ /dev/null @@ -1,412 +0,0 @@ - -/** - * Module dependencies. - */ - -var debug = require('debug')('socket.io-parser'); -var Emitter = require('component-emitter'); -var binary = require('./binary'); -var isArray = require('isarray'); -var isBuf = require('./is-buffer'); - -/** - * Protocol version. - * - * @api public - */ - -exports.protocol = 4; - -/** - * Packet types. - * - * @api public - */ - -exports.types = [ - 'CONNECT', - 'DISCONNECT', - 'EVENT', - 'ACK', - 'ERROR', - 'BINARY_EVENT', - 'BINARY_ACK' -]; - -/** - * Packet type `connect`. - * - * @api public - */ - -exports.CONNECT = 0; - -/** - * Packet type `disconnect`. - * - * @api public - */ - -exports.DISCONNECT = 1; - -/** - * Packet type `event`. - * - * @api public - */ - -exports.EVENT = 2; - -/** - * Packet type `ack`. - * - * @api public - */ - -exports.ACK = 3; - -/** - * Packet type `error`. - * - * @api public - */ - -exports.ERROR = 4; - -/** - * Packet type 'binary event' - * - * @api public - */ - -exports.BINARY_EVENT = 5; - -/** - * Packet type `binary ack`. For acks with binary arguments. - * - * @api public - */ - -exports.BINARY_ACK = 6; - -/** - * Encoder constructor. - * - * @api public - */ - -exports.Encoder = Encoder; - -/** - * Decoder constructor. - * - * @api public - */ - -exports.Decoder = Decoder; - -/** - * A socket.io Encoder instance - * - * @api public - */ - -function Encoder() {} - -var ERROR_PACKET = exports.ERROR + '"encode error"'; - -/** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - * @param {Function} callback - function to handle encodings (likely engine.write) - * @return Calls callback with Array of encodings - * @api public - */ - -Encoder.prototype.encode = function(obj, callback){ - debug('encoding packet %j', obj); - - if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) { - encodeAsBinary(obj, callback); - } else { - var encoding = encodeAsString(obj); - callback([encoding]); - } -}; - -/** - * Encode packet as string. - * - * @param {Object} packet - * @return {String} encoded - * @api private - */ - -function encodeAsString(obj) { - - // first is type - var str = '' + obj.type; - - // attachments if we have them - if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) { - str += obj.attachments + '-'; - } - - // if we have a namespace other than `/` - // we append it followed by a comma `,` - if (obj.nsp && '/' !== obj.nsp) { - str += obj.nsp + ','; - } - - // immediately followed by the id - if (null != obj.id) { - str += obj.id; - } - - // json data - if (null != obj.data) { - var payload = tryStringify(obj.data); - if (payload !== false) { - str += payload; - } else { - return ERROR_PACKET; - } - } - - debug('encoded %j as %s', obj, str); - return str; -} - -function tryStringify(str) { - try { - return JSON.stringify(str); - } catch(e){ - return false; - } -} - -/** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - * - * @param {Object} packet - * @return {Buffer} encoded - * @api private - */ - -function encodeAsBinary(obj, callback) { - - function writeEncoding(bloblessData) { - var deconstruction = binary.deconstructPacket(bloblessData); - var pack = encodeAsString(deconstruction.packet); - var buffers = deconstruction.buffers; - - buffers.unshift(pack); // add packet info to beginning of data list - callback(buffers); // write all the buffers - } - - binary.removeBlobs(obj, writeEncoding); -} - -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - * @api public - */ - -function Decoder() { - this.reconstructor = null; -} - -/** - * Mix in `Emitter` with Decoder. - */ - -Emitter(Decoder.prototype); - -/** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - * @return {Object} packet - * @api public - */ - -Decoder.prototype.add = function(obj) { - var packet; - if (typeof obj === 'string') { - packet = decodeString(obj); - if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json - this.reconstructor = new BinaryReconstructor(packet); - - // no attachments, labeled binary but no binary data to follow - if (this.reconstructor.reconPack.attachments === 0) { - this.emit('decoded', packet); - } - } else { // non-binary full packet - this.emit('decoded', packet); - } - } else if (isBuf(obj) || obj.base64) { // raw binary data - if (!this.reconstructor) { - throw new Error('got binary data when not reconstructing a packet'); - } else { - packet = this.reconstructor.takeBinaryData(obj); - if (packet) { // received final buffer - this.reconstructor = null; - this.emit('decoded', packet); - } - } - } else { - throw new Error('Unknown type: ' + obj); - } -}; - -/** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - * @api private - */ - -function decodeString(str) { - var i = 0; - // look up type - var p = { - type: Number(str.charAt(0)) - }; - - if (null == exports.types[p.type]) { - return error('unknown packet type ' + p.type); - } - - // look up attachments if type binary - if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) { - var start = i + 1; - while (str.charAt(++i) !== '-' && i != str.length) {} - var buf = str.substring(start, i); - if (buf != Number(buf) || str.charAt(i) !== '-') { - throw new Error('Illegal attachments'); - } - p.attachments = Number(buf); - } - - // look up namespace (if any) - if ('/' === str.charAt(i + 1)) { - var start = i + 1; - while (++i) { - var c = str.charAt(i); - if (',' === c) break; - if (i === str.length) break; - } - p.nsp = str.substring(start, i); - } else { - p.nsp = '/'; - } - - // look up id - var next = str.charAt(i + 1); - if ('' !== next && Number(next) == next) { - var start = i + 1; - while (++i) { - var c = str.charAt(i); - if (null == c || Number(c) != c) { - --i; - break; - } - if (i === str.length) break; - } - p.id = Number(str.substring(start, i + 1)); - } - - // look up json data - if (str.charAt(++i)) { - var payload = tryParse(str.substr(i)); - var isPayloadValid = payload !== false && (p.type === exports.ERROR || isArray(payload)); - if (isPayloadValid) { - p.data = payload; - } else { - return error('invalid payload'); - } - } - - debug('decoded %s as %j', str, p); - return p; -} - -function tryParse(str) { - try { - return JSON.parse(str); - } catch(e){ - return false; - } -} - -/** - * Deallocates a parser's resources - * - * @api public - */ - -Decoder.prototype.destroy = function() { - if (this.reconstructor) { - this.reconstructor.finishedReconstruction(); - } -}; - -/** - * A manager of a binary event's 'buffer sequence'. Should - * be constructed whenever a packet of type BINARY_EVENT is - * decoded. - * - * @param {Object} packet - * @return {BinaryReconstructor} initialized reconstructor - * @api private - */ - -function BinaryReconstructor(packet) { - this.reconPack = packet; - this.buffers = []; -} - -/** - * Method to be called when binary data received from connection - * after a BINARY_EVENT packet. - * - * @param {Buffer | ArrayBuffer} binData - the raw binary data received - * @return {null | Object} returns null if more binary data is expected or - * a reconstructed packet object if all buffers have been received. - * @api private - */ - -BinaryReconstructor.prototype.takeBinaryData = function(binData) { - this.buffers.push(binData); - if (this.buffers.length === this.reconPack.attachments) { // done with buffer list - var packet = binary.reconstructPacket(this.reconPack, this.buffers); - this.finishedReconstruction(); - return packet; - } - return null; -}; - -/** - * Cleans up binary packet reconstruction variables. - * - * @api private - */ - -BinaryReconstructor.prototype.finishedReconstruction = function() { - this.reconPack = null; - this.buffers = []; -}; - -function error(msg) { - return { - type: exports.ERROR, - data: 'parser error: ' + msg - }; -} diff --git a/is-buffer.js b/is-buffer.js deleted file mode 100644 index c833865..0000000 --- a/is-buffer.js +++ /dev/null @@ -1,20 +0,0 @@ - -module.exports = isBuf; - -var withNativeBuffer = typeof Buffer === 'function' && typeof Buffer.isBuffer === 'function'; -var withNativeArrayBuffer = typeof ArrayBuffer === 'function'; - -var isView = function (obj) { - return typeof ArrayBuffer.isView === 'function' ? ArrayBuffer.isView(obj) : (obj.buffer instanceof ArrayBuffer); -}; - -/** - * Returns true if obj is a buffer or an arraybuffer. - * - * @api private - */ - -function isBuf(obj) { - return (withNativeBuffer && Buffer.isBuffer(obj)) || - (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))); -} diff --git a/binary.js b/lib/binary.ts similarity index 51% rename from binary.js rename to lib/binary.ts index 3e2347d..bcd57c2 100644 --- a/binary.js +++ b/lib/binary.ts @@ -1,14 +1,14 @@ -/*global Blob,File*/ - -/** - * Module requirements - */ - -var isArray = require('isarray'); -var isBuf = require('./is-buffer'); -var toString = Object.prototype.toString; -var withNativeBlob = typeof Blob === 'function' || (typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]'); -var withNativeFile = typeof File === 'function' || (typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]'); +import isBuf from "./is-buffer"; + +const toString = Object.prototype.toString; +const withNativeBlob = + typeof Blob === "function" || + (typeof Blob !== "undefined" && + toString.call(Blob) === "[object BlobConstructor]"); +const withNativeFile = + typeof File === "function" || + (typeof File !== "undefined" && + toString.call(File) === "[object FileConstructor]"); /** * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder. @@ -17,35 +17,37 @@ var withNativeFile = typeof File === 'function' || (typeof File !== 'undefined' * * @param {Object} packet - socket.io event packet * @return {Object} with deconstructed packet and list of buffers - * @api public + * @public */ -exports.deconstructPacket = function(packet) { - var buffers = []; - var packetData = packet.data; - var pack = packet; +export function deconstructPacket(packet) { + const buffers = []; + const packetData = packet.data; + const pack = packet; pack.data = _deconstructPacket(packetData, buffers); pack.attachments = buffers.length; // number of binary 'attachments' - return {packet: pack, buffers: buffers}; -}; + return { packet: pack, buffers: buffers }; +} function _deconstructPacket(data, buffers) { if (!data) return data; if (isBuf(data)) { - var placeholder = { _placeholder: true, num: buffers.length }; + const placeholder = { _placeholder: true, num: buffers.length }; buffers.push(data); return placeholder; - } else if (isArray(data)) { - var newData = new Array(data.length); - for (var i = 0; i < data.length; i++) { + } else if (Array.isArray(data)) { + const newData = new Array(data.length); + for (let i = 0; i < data.length; i++) { newData[i] = _deconstructPacket(data[i], buffers); } return newData; - } else if (typeof data === 'object' && !(data instanceof Date)) { - var newData = {}; - for (var key in data) { - newData[key] = _deconstructPacket(data[key], buffers); + } else if (typeof data === "object" && !(data instanceof Date)) { + const newData = {}; + for (const key in data) { + if (data.hasOwnProperty(key)) { + newData[key] = _deconstructPacket(data[key], buffers); + } } return newData; } @@ -58,27 +60,29 @@ function _deconstructPacket(data, buffers) { * @param {Object} packet - event packet with placeholders * @param {Array} buffers - binary buffers to put in placeholder positions * @return {Object} reconstructed packet - * @api public + * @public */ -exports.reconstructPacket = function(packet, buffers) { +export function reconstructPacket(packet, buffers) { packet.data = _reconstructPacket(packet.data, buffers); packet.attachments = undefined; // no longer useful return packet; -}; +} function _reconstructPacket(data, buffers) { if (!data) return data; if (data && data._placeholder) { return buffers[data.num]; // appropriate buffer (should be natural order anyway) - } else if (isArray(data)) { - for (var i = 0; i < data.length; i++) { + } else if (Array.isArray(data)) { + for (let i = 0; i < data.length; i++) { data[i] = _reconstructPacket(data[i], buffers); } - } else if (typeof data === 'object') { - for (var key in data) { - data[key] = _reconstructPacket(data[key], buffers); + } else if (typeof data === "object") { + for (const key in data) { + if (data.hasOwnProperty(key)) { + data[key] = _reconstructPacket(data[key], buffers); + } } } @@ -95,47 +99,53 @@ function _reconstructPacket(data, buffers) { * @api private */ -exports.removeBlobs = function(data, callback) { - function _removeBlobs(obj, curKey, containingObject) { +export function removeBlobs(data, callback) { + function _removeBlobs(obj, curKey?, containingObject?) { if (!obj) return obj; // convert any blob - if ((withNativeBlob && obj instanceof Blob) || - (withNativeFile && obj instanceof File)) { + if ( + (withNativeBlob && obj instanceof Blob) || + (withNativeFile && obj instanceof File) + ) { pendingBlobs++; // async filereader - var fileReader = new FileReader(); - fileReader.onload = function() { // this.result == arraybuffer + const fileReader = new FileReader(); + fileReader.onload = function () { + // this.result == arraybuffer if (containingObject) { containingObject[curKey] = this.result; - } - else { + } else { bloblessData = this.result; } // if nothing pending its callback time - if(! --pendingBlobs) { + if (!--pendingBlobs) { callback(bloblessData); } }; fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer - } else if (isArray(obj)) { // handle array - for (var i = 0; i < obj.length; i++) { + } else if (Array.isArray(obj)) { + // handle array + for (let i = 0; i < obj.length; i++) { _removeBlobs(obj[i], i, obj); } - } else if (typeof obj === 'object' && !isBuf(obj)) { // and object - for (var key in obj) { - _removeBlobs(obj[key], key, obj); + } else if (typeof obj === "object" && !isBuf(obj)) { + // and object + for (const key in obj) { + if (obj.hasOwnProperty(key)) { + _removeBlobs(obj[key], key, obj); + } } } } - var pendingBlobs = 0; - var bloblessData = data; + let pendingBlobs = 0; + let bloblessData = data; _removeBlobs(bloblessData); if (!pendingBlobs) { callback(bloblessData); } -}; +} diff --git a/lib/index.ts b/lib/index.ts new file mode 100644 index 0000000..ee87d03 --- /dev/null +++ b/lib/index.ts @@ -0,0 +1,395 @@ +import * as Emitter from "component-emitter"; +import * as binary from "./binary"; +import isBuf from "./is-buffer"; +import debugModule from "debug"; + +const debug = debugModule("socket.io-parser"); + +/** + * Protocol version. + * + * @public + */ + +export const protocol: number = 4; + +/** + * Packet types. + * + * @public + */ + +export const types: Array = [ + "CONNECT", + "DISCONNECT", + "EVENT", + "ACK", + "ERROR", + "BINARY_EVENT", + "BINARY_ACK", +]; + +export enum PacketType { + CONNECT, + DISCONNECT, + EVENT, + ACK, + ERROR, + BINARY_EVENT, + BINARY_ACK, +} + +interface Packet { + type: PacketType; + nsp: string; + data?: any; + id?: number; + attachments?: number; +} + +/** + * Packet type `connect`. + * + * @public + */ + +export const CONNECT: number = 0; + +/** + * Packet type `disconnect`. + * + * @public + */ + +export const DISCONNECT: number = 1; + +/** + * Packet type `event`. + * + * @public + */ + +export const EVENT: number = 2; + +/** + * Packet type `ack`. + * + * @public + */ + +export const ACK: number = 3; + +/** + * Packet type `error`. + * + * @public + */ + +export const ERROR: number = 4; + +/** + * Packet type 'binary event' + * + * @public + */ + +export const BINARY_EVENT: number = 5; + +/** + * Packet type `binary ack`. For acks with binary arguments. + * + * @api public + */ + +export const BINARY_ACK: number = 6; + +/** + * A socket.io Encoder instance + */ + +export class Encoder { + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + * @param {Function} callback - function to handle encodings (likely engine.write) + * @return Calls callback with Array of encodings + */ + public encode(obj: Packet, callback: Function) { + debug("encoding packet %j", obj); + + if ( + obj.type === PacketType.BINARY_EVENT || + obj.type === PacketType.BINARY_ACK + ) { + this.encodeAsBinary(obj, callback); + } else { + const encoding = this.encodeAsString(obj); + callback([encoding]); + } + } + + /** + * Encode packet as string. + */ + + private encodeAsString(obj: Packet) { + // first is type + let str = "" + obj.type; + + // attachments if we have them + if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) { + str += obj.attachments + "-"; + } + + // if we have a namespace other than `/` + // we append it followed by a comma `,` + if (obj.nsp && "/" !== obj.nsp) { + str += obj.nsp + ","; + } + + // immediately followed by the id + if (null != obj.id) { + str += obj.id; + } + + // json data + if (null != obj.data) { + const payload = tryStringify(obj.data); + if (payload !== false) { + str += payload; + } else { + return ERROR_PACKET; + } + } + + debug("encoded %j as %s", obj, str); + return str; + } + + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + + private encodeAsBinary(obj: Packet, callback: Function) { + binary.removeBlobs(obj, (bloblessData) => { + const deconstruction = binary.deconstructPacket(bloblessData); + const pack = this.encodeAsString(deconstruction.packet); + const buffers = deconstruction.buffers; + + buffers.unshift(pack); // add packet info to beginning of data list + callback(buffers); // write all the buffers + }); + } +} + +const ERROR_PACKET = exports.ERROR + '"encode error"'; + +function tryStringify(str) { + try { + return JSON.stringify(str); + } catch (e) { + return false; + } +} + +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +// @ts-ignore +export class Decoder extends Emitter { + private reconstructor: BinaryReconstructor; + + constructor() { + super(); + } + + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + + public add(obj: any) { + let packet; + if (typeof obj === "string") { + packet = this.decodeString(obj); + if ( + exports.BINARY_EVENT === packet.type || + exports.BINARY_ACK === packet.type + ) { + // binary packet's json + this.reconstructor = new BinaryReconstructor(packet); + + // no attachments, labeled binary but no binary data to follow + if (packet.attachments === 0) { + super.emit("decoded", packet); + } + } else { + // non-binary full packet + super.emit("decoded", packet); + } + } else if (isBuf(obj) || obj.base64) { + // raw binary data + if (!this.reconstructor) { + throw new Error("got binary data when not reconstructing a packet"); + } else { + packet = this.reconstructor.takeBinaryData(obj); + if (packet) { + // received final buffer + this.reconstructor = null; + super.emit("decoded", packet); + } + } + } else { + throw new Error("Unknown type: " + obj); + } + } + + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + private decodeString(str) { + let i = 0; + // look up type + const p: any = { + type: Number(str.charAt(0)), + }; + + if (null == exports.types[p.type]) { + return error("unknown packet type " + p.type); + } + + // look up attachments if type binary + if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) { + const start = i + 1; + while (str.charAt(++i) !== "-" && i != str.length) {} + const buf = str.substring(start, i); + if (buf != Number(buf) || str.charAt(i) !== "-") { + throw new Error("Illegal attachments"); + } + p.attachments = Number(buf); + } + + // look up namespace (if any) + if ("/" === str.charAt(i + 1)) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if ("," === c) break; + if (i === str.length) break; + } + p.nsp = str.substring(start, i); + } else { + p.nsp = "/"; + } + + // look up id + const next = str.charAt(i + 1); + if ("" !== next && Number(next) == next) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if (null == c || Number(c) != c) { + --i; + break; + } + if (i === str.length) break; + } + p.id = Number(str.substring(start, i + 1)); + } + + // look up json data + if (str.charAt(++i)) { + const payload = tryParse(str.substr(i)); + const isPayloadValid = + payload !== false && + (p.type === exports.ERROR || Array.isArray(payload)); + if (isPayloadValid) { + p.data = payload; + } else { + return error("invalid payload"); + } + } + + debug("decoded %s as %j", str, p); + return p; + } + + /** + * Deallocates a parser's resources + */ + public destroy() { + if (this.reconstructor) { + this.reconstructor.finishedReconstruction(); + } + } +} + +function tryParse(str) { + try { + return JSON.parse(str); + } catch (e) { + return false; + } +} + +/** + * A manager of a binary event's 'buffer sequence'. Should + * be constructed whenever a packet of type BINARY_EVENT is + * decoded. + * + * @param {Object} packet + * @return {BinaryReconstructor} initialized reconstructor + */ + +class BinaryReconstructor { + private reconPack; + private buffers: Array = []; + + constructor(readonly packet: Packet) { + this.reconPack = packet; + } + + /** + * Method to be called when binary data received from connection + * after a BINARY_EVENT packet. + * + * @param {Buffer | ArrayBuffer} binData - the raw binary data received + * @return {null | Object} returns null if more binary data is expected or + * a reconstructed packet object if all buffers have been received. + */ + public takeBinaryData(binData) { + this.buffers.push(binData); + if (this.buffers.length === this.reconPack.attachments) { + // done with buffer list + const packet = binary.reconstructPacket(this.reconPack, this.buffers); + this.finishedReconstruction(); + return packet; + } + return null; + } + + /** + * Cleans up binary packet reconstruction variables. + */ + public finishedReconstruction() { + this.reconPack = null; + this.buffers = []; + } +} + +function error(msg) { + return { + type: exports.ERROR, + data: "parser error: " + msg, + }; +} diff --git a/lib/is-buffer.ts b/lib/is-buffer.ts new file mode 100644 index 0000000..36eb72d --- /dev/null +++ b/lib/is-buffer.ts @@ -0,0 +1,22 @@ +const withNativeBuffer: boolean = + typeof Buffer === "function" && typeof Buffer.isBuffer === "function"; +const withNativeArrayBuffer: boolean = typeof ArrayBuffer === "function"; + +const isView = (obj: any) => { + return typeof ArrayBuffer.isView === "function" + ? ArrayBuffer.isView(obj) + : obj.buffer instanceof ArrayBuffer; +}; + +/** + * Returns true if obj is a buffer or an arraybuffer. + * + * @private + */ + +export default function isBuf(obj) { + return ( + (withNativeBuffer && Buffer.isBuffer(obj)) || + (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) + ); +} diff --git a/package-lock.json b/package-lock.json index 307b55c..c9155ab 100644 --- a/package-lock.json +++ b/package-lock.json @@ -908,6 +908,24 @@ "to-fast-properties": "^2.0.0" } }, + "@types/component-emitter": { + "version": "1.2.10", + "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.10.tgz", + "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg==", + "dev": true + }, + "@types/debug": { + "version": "4.1.5", + "resolved": "https://registry.npmjs.org/@types/debug/-/debug-4.1.5.tgz", + "integrity": "sha512-Q1y515GcOdTHgagaVFhHnIFQ38ygs/kmxdNpvpou+raI9UO3YZcHDngBSYKQklcKlvA7iuQlmIKbzvmxcOE9CQ==", + "dev": true + }, + "@types/node": { + "version": "14.11.1", + "resolved": "https://registry.npmjs.org/@types/node/-/node-14.11.1.tgz", + "integrity": "sha512-oTQgnd0hblfLsJ6BvJzzSL+Inogp3lq9fGgqRkMB/ziKMgEUaFl801OncOzUmalfzt14N0oPHMK47ipl+wbTIw==", + "dev": true + }, "JSON2": { "version": "0.1.0", "resolved": "https://registry.npmjs.org/JSON2/-/JSON2-0.1.0.tgz", @@ -2057,9 +2075,9 @@ } }, "component-emitter": { - "version": "1.2.1", - "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz", - "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=" + "version": "1.3.0", + "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz", + "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==" }, "compress-commons": { "version": "0.2.9", @@ -3979,11 +3997,6 @@ "integrity": "sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==", "dev": true }, - "isarray": { - "version": "2.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz", - "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=" - }, "isbinaryfile": { "version": "0.1.9", "resolved": "https://registry.npmjs.org/isbinaryfile/-/isbinaryfile-0.1.9.tgz", @@ -5855,6 +5868,12 @@ "integrity": "sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=", "dev": true }, + "prettier": { + "version": "2.1.2", + "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.1.2.tgz", + "integrity": "sha512-16c7K+x4qVlJg9rEbXl7HEGmQyZlG4R9AgP+oHKRMsMsuk8s+ATStlf1NpDqyBI1HpVyfjLOeMhH2LvuNvV5Vg==", + "dev": true + }, "private": { "version": "0.1.8", "resolved": "https://registry.npmjs.org/private/-/private-0.1.8.tgz", @@ -7533,6 +7552,12 @@ "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=", "dev": true }, + "typescript": { + "version": "4.0.3", + "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.3.tgz", + "integrity": "sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==", + "dev": true + }, "uglify-js": { "version": "2.3.6", "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.3.6.tgz", diff --git a/package.json b/package.json index ae6be5c..a403585 100644 --- a/package.json +++ b/package.json @@ -7,28 +7,36 @@ "url": "https://github.com/socketio/socket.io-parser.git" }, "files": [ - "binary.js", - "index.js", - "is-buffer.js" + "dist/" ], + "main": "./dist/index.js", + "types": "./dist/index.d.ts", "dependencies": { - "debug": "~4.1.0", - "component-emitter": "1.2.1", - "isarray": "2.0.1" + "component-emitter": "~1.3.0", + "debug": "~4.1.0" }, "devDependencies": { "@babel/core": "~7.9.6", "@babel/preset-env": "~7.9.6", + "@types/component-emitter": "^1.2.10", + "@types/debug": "^4.1.5", + "@types/node": "^14.11.1", "babelify": "~10.0.0", "benchmark": "2.1.2", "expect.js": "0.3.1", "mocha": "3.2.0", + "prettier": "^2.1.2", "socket.io-browsers": "^1.0.0", + "typescript": "^4.0.3", "zuul": "3.11.1", "zuul-ngrok": "4.0.0" }, "scripts": { - "test": "make test" + "test": "npm run format:check && tsc && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", + "test:node": "mocha --reporter dot --bail test/index.js", + "test:browser": "zuul test/index.js --no-coverage", + "format:fix": "prettier --write --parser typescript \"lib/**/*.ts\"", + "format:check": "prettier --check --parser typescript \"lib/**/*.ts\"" }, "license": "MIT", "engines": { diff --git a/test/arraybuffer.js b/test/arraybuffer.js index c8295f1..f39d024 100644 --- a/test/arraybuffer.js +++ b/test/arraybuffer.js @@ -1,4 +1,4 @@ -var parser = require('../index.js'); +var parser = require('..'); var expect = require('expect.js'); var helpers = require('./helpers.js'); var encoder = new parser.Encoder(); diff --git a/test/blob.js b/test/blob.js index 4e101fe..7ec926c 100644 --- a/test/blob.js +++ b/test/blob.js @@ -1,4 +1,4 @@ -var parser = require('../index.js'); +var parser = require('..'); var helpers = require('./helpers.js'); var BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder : diff --git a/test/buffer.js b/test/buffer.js index 3aba898..4e0512b 100644 --- a/test/buffer.js +++ b/test/buffer.js @@ -1,4 +1,4 @@ -var parser = require('../index.js'); +var parser = require('..'); var expect = require('expect.js'); var helpers = require('./helpers.js'); var encode = parser.encode; @@ -8,7 +8,7 @@ describe('parser', function() { it('encodes a Buffer', function() { helpers.test_bin({ type: parser.BINARY_EVENT, - data: ['a', new Buffer('abc', 'utf8')], + data: ['a', Buffer.from('abc', 'utf8')], id: 23, nsp: '/cool' }); @@ -17,7 +17,7 @@ describe('parser', function() { it('encodes a binary ack with Buffer', function() { helpers.test_bin({ type: parser.BINARY_ACK, - data: ['a', new Buffer('xxx', 'utf8'), {}], + data: ['a', Buffer.from('xxx', 'utf8'), {}], id: 127, nsp: '/back' }) diff --git a/test/helpers.js b/test/helpers.js index e6a754c..822b31a 100644 --- a/test/helpers.js +++ b/test/helpers.js @@ -1,4 +1,4 @@ -var parser = require('../index.js'); +var parser = require('..'); var expect = require('expect.js'); var encoder = new parser.Encoder(); diff --git a/test/parser.js b/test/parser.js index 652aa7f..281f188 100644 --- a/test/parser.js +++ b/test/parser.js @@ -1,4 +1,4 @@ -var parser = require('../index.js'); +var parser = require('..'); var expect = require('expect.js'); var helpers = require('./helpers.js'); diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..87d51bf --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,12 @@ +{ + "compilerOptions": { + "outDir": "./dist", + "allowJs": false, + "target": "es2017", + "module": "commonjs", + "declaration": true + }, + "include": [ + "./lib/**/*" + ] +} diff --git a/zuul.config.js b/zuul.config.js index cc78487..994fb6e 100644 --- a/zuul.config.js +++ b/zuul.config.js @@ -1,12 +1,14 @@ 'use strict'; -var browsers = require('socket.io-browsers'); +const browsers = require('socket.io-browsers'); -var zuulConfig = module.exports = { +const zuulConfig = module.exports = { ui: 'mocha-bdd', // test on localhost by default local: true, + coverage: false, + open: true, concurrency: 2, // ngrok only accepts two tunnels by default // if browser does not sends output in 120s since last output: @@ -29,11 +31,11 @@ if (process.env.CI === 'true') { name: "babelify", presets: ["@babel/preset-env"], global: true, - only: [ /\/node_modules\/debug\// ] + ignore: [/\/node_modules\/(?!debug\/)/] } } ] } -var isPullRequest = process.env.TRAVIS_PULL_REQUEST && process.env.TRAVIS_PULL_REQUEST !== 'false'; +const isPullRequest = process.env.TRAVIS_PULL_REQUEST && process.env.TRAVIS_PULL_REQUEST !== 'false'; zuulConfig.browsers = isPullRequest ? browsers.pullRequest : browsers.all; From c327acbc3c3c2d0b2b439136cbcb56c81db173d6 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 22 Sep 2020 22:55:16 +0200 Subject: [PATCH 10/42] fix: throw upon invalid payload format An invalid packet was previously parsed as an ERROR packet, which was then ignored because it didn't contain any 'nsp' (namespace) field. This behavior was wrong because: - it means the other side is sending invalid payloads, so the connection must be closed right away - ERROR packets are meant for namespace authentication failures Parsing an invalid payload will now throw an error, which must be caught by the caller. Closes https://github.com/socketio/socket.io-parser/issues/86 --- lib/index.ts | 13 +++---------- test/parser.js | 10 +++------- 2 files changed, 6 insertions(+), 17 deletions(-) diff --git a/lib/index.ts b/lib/index.ts index ee87d03..2795e73 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -257,7 +257,7 @@ export class Decoder extends Emitter { * @param {String} str * @return {Object} packet */ - private decodeString(str) { + private decodeString(str): Packet { let i = 0; // look up type const p: any = { @@ -265,7 +265,7 @@ export class Decoder extends Emitter { }; if (null == exports.types[p.type]) { - return error("unknown packet type " + p.type); + throw new Error("unknown packet type " + p.type); } // look up attachments if type binary @@ -316,7 +316,7 @@ export class Decoder extends Emitter { if (isPayloadValid) { p.data = payload; } else { - return error("invalid payload"); + throw new Error("invalid payload"); } } @@ -386,10 +386,3 @@ class BinaryReconstructor { this.buffers = []; } } - -function error(msg) { - return { - type: exports.ERROR, - data: "parser error: " + msg, - }; -} diff --git a/test/parser.js b/test/parser.js index 281f188..22483be 100644 --- a/test/parser.js +++ b/test/parser.js @@ -86,12 +86,8 @@ describe('parser', function(){ } }); - it('returns an error packet on parsing error', function(done){ - var decoder = new parser.Decoder(); - decoder.on('decoded', function(packet) { - expect(packet).to.eql({ type: 4, data: 'parser error: invalid payload' }); - done(); - }); - decoder.add('442["some","data"'); + it('throw an error upon parsing error', () => { + expect(() => new parser.Decoder().add('442["some","data"')).to.throwException(/^invalid payload$/); + expect(() => new parser.Decoder().add('999')).to.throwException(/^unknown packet type 9$/); }); }); From 567c0ca965e175145a8ecad470c0e171fe7fee98 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 22 Sep 2020 23:27:46 +0200 Subject: [PATCH 11/42] refactor: use PacketType enum wherever applicable --- lib/index.ts | 92 +++++++-------------------------------------- test/arraybuffer.js | 20 +++++----- test/blob.js | 12 +++--- test/buffer.js | 11 ++---- test/parser.js | 42 ++++++++++----------- 5 files changed, 54 insertions(+), 123 deletions(-) diff --git a/lib/index.ts b/lib/index.ts index 2795e73..7b62fbd 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -13,22 +13,6 @@ const debug = debugModule("socket.io-parser"); export const protocol: number = 4; -/** - * Packet types. - * - * @public - */ - -export const types: Array = [ - "CONNECT", - "DISCONNECT", - "EVENT", - "ACK", - "ERROR", - "BINARY_EVENT", - "BINARY_ACK", -]; - export enum PacketType { CONNECT, DISCONNECT, @@ -47,62 +31,6 @@ interface Packet { attachments?: number; } -/** - * Packet type `connect`. - * - * @public - */ - -export const CONNECT: number = 0; - -/** - * Packet type `disconnect`. - * - * @public - */ - -export const DISCONNECT: number = 1; - -/** - * Packet type `event`. - * - * @public - */ - -export const EVENT: number = 2; - -/** - * Packet type `ack`. - * - * @public - */ - -export const ACK: number = 3; - -/** - * Packet type `error`. - * - * @public - */ - -export const ERROR: number = 4; - -/** - * Packet type 'binary event' - * - * @public - */ - -export const BINARY_EVENT: number = 5; - -/** - * Packet type `binary ack`. For acks with binary arguments. - * - * @api public - */ - -export const BINARY_ACK: number = 6; - /** * A socket.io Encoder instance */ @@ -139,7 +67,10 @@ export class Encoder { let str = "" + obj.type; // attachments if we have them - if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) { + if ( + obj.type === PacketType.BINARY_EVENT || + obj.type === PacketType.BINARY_ACK + ) { str += obj.attachments + "-"; } @@ -186,7 +117,7 @@ export class Encoder { } } -const ERROR_PACKET = exports.ERROR + '"encode error"'; +const ERROR_PACKET = PacketType.ERROR + '"encode error"'; function tryStringify(str) { try { @@ -220,8 +151,8 @@ export class Decoder extends Emitter { if (typeof obj === "string") { packet = this.decodeString(obj); if ( - exports.BINARY_EVENT === packet.type || - exports.BINARY_ACK === packet.type + packet.type === PacketType.BINARY_EVENT || + packet.type === PacketType.BINARY_ACK ) { // binary packet's json this.reconstructor = new BinaryReconstructor(packet); @@ -264,12 +195,15 @@ export class Decoder extends Emitter { type: Number(str.charAt(0)), }; - if (null == exports.types[p.type]) { + if (PacketType[p.type] === undefined) { throw new Error("unknown packet type " + p.type); } // look up attachments if type binary - if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) { + if ( + p.type === PacketType.BINARY_EVENT || + p.type === PacketType.BINARY_ACK + ) { const start = i + 1; while (str.charAt(++i) !== "-" && i != str.length) {} const buf = str.substring(start, i); @@ -312,7 +246,7 @@ export class Decoder extends Emitter { const payload = tryParse(str.substr(i)); const isPayloadValid = payload !== false && - (p.type === exports.ERROR || Array.isArray(payload)); + (p.type === PacketType.ERROR || Array.isArray(payload)); if (isPayloadValid) { p.data = payload; } else { diff --git a/test/arraybuffer.js b/test/arraybuffer.js index f39d024..4cc2cdb 100644 --- a/test/arraybuffer.js +++ b/test/arraybuffer.js @@ -1,12 +1,12 @@ -var parser = require('..'); -var expect = require('expect.js'); -var helpers = require('./helpers.js'); -var encoder = new parser.Encoder(); +const { PacketType, Decoder, Encoder } = require('..'); +const expect = require('expect.js'); +const helpers = require('./helpers.js'); +const encoder = new Encoder(); describe('parser', function() { it('encodes an ArrayBuffer', function() { var packet = { - type: parser.BINARY_EVENT, + type: PacketType.BINARY_EVENT, data: ['a', new ArrayBuffer(2)], id: 0, nsp: '/' @@ -19,7 +19,7 @@ describe('parser', function() { for (var i = 0; i < array.length; i++) array[i] = i; var packet = { - type: parser.BINARY_EVENT, + type: PacketType.BINARY_EVENT, data: ['a', array], id: 0, nsp: '/' @@ -29,7 +29,7 @@ describe('parser', function() { it('encodes ArrayBuffers deep in JSON', function() { var packet = { - type: parser.BINARY_EVENT, + type: PacketType.BINARY_EVENT, data: ['a', {a: 'hi', b: {why: new ArrayBuffer(3)}, c: {a: 'bye', b: { a: new ArrayBuffer(6)}}}], id: 999, nsp: '/deep' @@ -39,7 +39,7 @@ describe('parser', function() { it('encodes deep binary JSON with null values', function() { var packet = { - type: parser.BINARY_EVENT, + type: PacketType.BINARY_EVENT, data: ['a', {a: 'b', c: 4, e: {g: null}, h: new ArrayBuffer(9)}], nsp: '/', id: 600 @@ -49,14 +49,14 @@ describe('parser', function() { it('cleans itself up on close', function() { var packet = { - type: parser.BINARY_EVENT, + type: PacketType.BINARY_EVENT, data: [new ArrayBuffer(2), new ArrayBuffer(3)], id: 0, nsp: '/' }; encoder.encode(packet, function(encodedPackets) { - var decoder = new parser.Decoder(); + var decoder = new Decoder(); decoder.on('decoded', function(packet) { throw new Error("received a packet when not all binary data was sent."); }); diff --git a/test/blob.js b/test/blob.js index 7ec926c..11b7cb4 100644 --- a/test/blob.js +++ b/test/blob.js @@ -1,7 +1,7 @@ -var parser = require('..'); -var helpers = require('./helpers.js'); +const { PacketType } = require('..'); +const helpers = require('./helpers.js'); -var BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder : +const BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder : typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder : typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : false; @@ -18,7 +18,7 @@ describe('parser', function() { } var packet = { - type: parser.BINARY_EVENT, + type: PacketType.BINARY_EVENT, data: data, id: 0, nsp: '/' @@ -37,7 +37,7 @@ describe('parser', function() { } var packet = { - type: parser.BINARY_EVENT, + type: PacketType.BINARY_EVENT, data: {a: 'hi', b: { why: data }, c: 'bye'}, id: 999, nsp: '/deep' @@ -56,7 +56,7 @@ describe('parser', function() { } var packet = { - type: parser.BINARY_ACK, + type: PacketType.BINARY_ACK, data: {a: 'hi ack', b: { why: data }, c: 'bye ack'}, id: 999, nsp: '/deep' diff --git a/test/buffer.js b/test/buffer.js index 4e0512b..4aa4309 100644 --- a/test/buffer.js +++ b/test/buffer.js @@ -1,13 +1,10 @@ -var parser = require('..'); -var expect = require('expect.js'); -var helpers = require('./helpers.js'); -var encode = parser.encode; -var decode = parser.decode; +const { PacketType } = require('..'); +const helpers = require('./helpers.js'); describe('parser', function() { it('encodes a Buffer', function() { helpers.test_bin({ - type: parser.BINARY_EVENT, + type: PacketType.BINARY_EVENT, data: ['a', Buffer.from('abc', 'utf8')], id: 23, nsp: '/cool' @@ -16,7 +13,7 @@ describe('parser', function() { it('encodes a binary ack with Buffer', function() { helpers.test_bin({ - type: parser.BINARY_ACK, + type: PacketType.BINARY_ACK, data: ['a', Buffer.from('xxx', 'utf8'), {}], id: 127, nsp: '/back' diff --git a/test/parser.js b/test/parser.js index 22483be..d63e08a 100644 --- a/test/parser.js +++ b/test/parser.js @@ -1,41 +1,41 @@ -var parser = require('..'); -var expect = require('expect.js'); -var helpers = require('./helpers.js'); +const { PacketType, Decoder, Encoder } = require('..'); +const expect = require('expect.js'); +const helpers = require('./helpers.js'); describe('parser', function(){ it('exposes types', function(){ - expect(parser.CONNECT).to.be.a('number'); - expect(parser.DISCONNECT).to.be.a('number'); - expect(parser.EVENT).to.be.a('number'); - expect(parser.ACK).to.be.a('number'); - expect(parser.ERROR).to.be.a('number'); - expect(parser.BINARY_EVENT).to.be.a('number'); - expect(parser.BINARY_ACK).to.be.a('number'); + expect(PacketType.CONNECT).to.be.a('number'); + expect(PacketType.DISCONNECT).to.be.a('number'); + expect(PacketType.EVENT).to.be.a('number'); + expect(PacketType.ACK).to.be.a('number'); + expect(PacketType.ERROR).to.be.a('number'); + expect(PacketType.BINARY_EVENT).to.be.a('number'); + expect(PacketType.BINARY_ACK).to.be.a('number'); }); it('encodes connection', function(){ helpers.test({ - type: parser.CONNECT, + type: PacketType.CONNECT, nsp: '/woot' }); }); it('encodes disconnection', function(){ helpers.test({ - type: parser.DISCONNECT, + type: PacketType.DISCONNECT, nsp: '/woot' }); }); it('encodes an event', function(){ helpers.test({ - type: parser.EVENT, + type: PacketType.EVENT, data: ['a', 1, {}], nsp: '/' }); helpers.test({ - type: parser.EVENT, + type: PacketType.EVENT, data: ['a', 1, {}], id: 1, nsp: '/test' @@ -44,7 +44,7 @@ describe('parser', function(){ it('encodes an ack', function(){ helpers.test({ - type: parser.ACK, + type: PacketType.ACK, data: ['a', 1, {}], id: 123, nsp: '/' @@ -53,7 +53,7 @@ describe('parser', function(){ it('encodes an error', function(){ helpers.test({ - type: parser.ERROR, + type: PacketType.ERROR, data: 'Unauthorized', nsp: '/' }); @@ -64,13 +64,13 @@ describe('parser', function(){ a.b = a; var data = { - type: parser.EVENT, + type: PacketType.EVENT, data: a, id: 1, nsp: '/' } - var encoder = new parser.Encoder(); + const encoder = new Encoder(); encoder.encode(data, function(encodedPackets) { expect(encodedPackets[0]).to.be('4"encode error"'); @@ -79,7 +79,7 @@ describe('parser', function(){ it('decodes a bad binary packet', function(){ try { - var decoder = new parser.Decoder(); + const decoder = new Decoder(); decoder.add('5'); } catch(e){ expect(e.message).to.match(/Illegal/); @@ -87,7 +87,7 @@ describe('parser', function(){ }); it('throw an error upon parsing error', () => { - expect(() => new parser.Decoder().add('442["some","data"')).to.throwException(/^invalid payload$/); - expect(() => new parser.Decoder().add('999')).to.throwException(/^unknown packet type 9$/); + expect(() => new Decoder().add('442["some","data"')).to.throwException(/^invalid payload$/); + expect(() => new Decoder().add('999')).to.throwException(/^unknown packet type 9$/); }); }); From aeae87c220287197cb78370dbd86b950a7dd29eb Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 22 Sep 2020 23:54:26 +0200 Subject: [PATCH 12/42] fix: do not catch encoding errors It does not make sense to catch the errors thrown by JSON.stringify() and convert them to an ERROR packet (which are meant for namespace authentication errors), it should be caught higher in the stack. Related: https://github.com/socketio/socket.io-parser/commit/92c530da47111e59add9b2960fe5c34aee80828e --- lib/index.ts | 18 +----------------- test/parser.js | 6 ++---- 2 files changed, 3 insertions(+), 21 deletions(-) diff --git a/lib/index.ts b/lib/index.ts index 7b62fbd..8a9f71c 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -87,12 +87,7 @@ export class Encoder { // json data if (null != obj.data) { - const payload = tryStringify(obj.data); - if (payload !== false) { - str += payload; - } else { - return ERROR_PACKET; - } + str += JSON.stringify(obj.data); } debug("encoded %j as %s", obj, str); @@ -117,22 +112,11 @@ export class Encoder { } } -const ERROR_PACKET = PacketType.ERROR + '"encode error"'; - -function tryStringify(str) { - try { - return JSON.stringify(str); - } catch (e) { - return false; - } -} - /** * A socket.io Decoder instance * * @return {Object} decoder */ -// @ts-ignore export class Decoder extends Emitter { private reconstructor: BinaryReconstructor; diff --git a/test/parser.js b/test/parser.js index d63e08a..e2f05ea 100644 --- a/test/parser.js +++ b/test/parser.js @@ -59,7 +59,7 @@ describe('parser', function(){ }); }); - it('properly handles circular objects', function() { + it('throws an error when encoding circular objects', function() { var a = {}; a.b = a; @@ -72,9 +72,7 @@ describe('parser', function(){ const encoder = new Encoder(); - encoder.encode(data, function(encodedPackets) { - expect(encodedPackets[0]).to.be('4"encode error"'); - }); + expect(() => encoder.encode(data)).to.throwException(); }); it('decodes a bad binary packet', function(){ From dd7cd60ba241317be7f72d7836f6a79c0b1465e2 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 23 Sep 2020 00:27:07 +0200 Subject: [PATCH 13/42] refactor: convert all tests to ES6 syntax --- test/arraybuffer.js | 16 ++++++++-------- test/blob.js | 8 ++++---- test/buffer.js | 6 +++--- test/helpers.js | 30 +++++++++++++++--------------- test/index.js | 18 +++++++++--------- test/parser.js | 18 +++++++++--------- 6 files changed, 48 insertions(+), 48 deletions(-) diff --git a/test/arraybuffer.js b/test/arraybuffer.js index 4cc2cdb..3f9a297 100644 --- a/test/arraybuffer.js +++ b/test/arraybuffer.js @@ -3,8 +3,8 @@ const expect = require('expect.js'); const helpers = require('./helpers.js'); const encoder = new Encoder(); -describe('parser', function() { - it('encodes an ArrayBuffer', function() { +describe('parser', () => { + it('encodes an ArrayBuffer', () => { var packet = { type: PacketType.BINARY_EVENT, data: ['a', new ArrayBuffer(2)], @@ -14,7 +14,7 @@ describe('parser', function() { helpers.test_bin(packet); }); - it('encodes a TypedArray', function() { + it('encodes a TypedArray', () => { var array = new Uint8Array(5); for (var i = 0; i < array.length; i++) array[i] = i; @@ -27,7 +27,7 @@ describe('parser', function() { helpers.test_bin(packet); }); - it('encodes ArrayBuffers deep in JSON', function() { + it('encodes ArrayBuffers deep in JSON', () => { var packet = { type: PacketType.BINARY_EVENT, data: ['a', {a: 'hi', b: {why: new ArrayBuffer(3)}, c: {a: 'bye', b: { a: new ArrayBuffer(6)}}}], @@ -37,7 +37,7 @@ describe('parser', function() { helpers.test_bin(packet); }); - it('encodes deep binary JSON with null values', function() { + it('encodes deep binary JSON with null values', () => { var packet = { type: PacketType.BINARY_EVENT, data: ['a', {a: 'b', c: 4, e: {g: null}, h: new ArrayBuffer(9)}], @@ -47,7 +47,7 @@ describe('parser', function() { helpers.test_bin(packet); }); - it('cleans itself up on close', function() { + it('cleans itself up on close', () => { var packet = { type: PacketType.BINARY_EVENT, data: [new ArrayBuffer(2), new ArrayBuffer(3)], @@ -55,9 +55,9 @@ describe('parser', function() { nsp: '/' }; - encoder.encode(packet, function(encodedPackets) { + encoder.encode(packet, encodedPackets => { var decoder = new Decoder(); - decoder.on('decoded', function(packet) { + decoder.on('decoded', packet => { throw new Error("received a packet when not all binary data was sent."); }); diff --git a/test/blob.js b/test/blob.js index 11b7cb4..9d5ef7e 100644 --- a/test/blob.js +++ b/test/blob.js @@ -6,8 +6,8 @@ const BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder : typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : false; -describe('parser', function() { - it('encodes a Blob', function() { +describe('parser', () => { + it('encodes a Blob', () => { var data; if (BlobBuilder) { var bb = new BlobBuilder(); @@ -26,7 +26,7 @@ describe('parser', function() { helpers.test_bin(packet); }); - it('encodes an Blob deep in JSON', function() { + it('encodes an Blob deep in JSON', () => { var data; if (BlobBuilder) { var bb = new BlobBuilder(); @@ -45,7 +45,7 @@ describe('parser', function() { helpers.test_bin(packet); }); - it('encodes a binary ack with a blob', function() { + it('encodes a binary ack with a blob', () => { var data; if (BlobBuilder) { var bb = new BlobBuilder(); diff --git a/test/buffer.js b/test/buffer.js index 4aa4309..68a0d11 100644 --- a/test/buffer.js +++ b/test/buffer.js @@ -1,8 +1,8 @@ const { PacketType } = require('..'); const helpers = require('./helpers.js'); -describe('parser', function() { - it('encodes a Buffer', function() { +describe('parser', () => { + it('encodes a Buffer', () => { helpers.test_bin({ type: PacketType.BINARY_EVENT, data: ['a', Buffer.from('abc', 'utf8')], @@ -11,7 +11,7 @@ describe('parser', function() { }); }); - it('encodes a binary ack with Buffer', function() { + it('encodes a binary ack with Buffer', () => { helpers.test_bin({ type: PacketType.BINARY_ACK, data: ['a', Buffer.from('xxx', 'utf8'), {}], diff --git a/test/helpers.js b/test/helpers.js index 822b31a..6bde43b 100644 --- a/test/helpers.js +++ b/test/helpers.js @@ -1,12 +1,12 @@ -var parser = require('..'); -var expect = require('expect.js'); -var encoder = new parser.Encoder(); +const parser = require('..'); +const expect = require('expect.js'); +const encoder = new parser.Encoder(); // tests encoding and decoding a single packet -module.exports.test = function(obj){ - encoder.encode(obj, function(encodedPackets) { - var decoder = new parser.Decoder(); - decoder.on('decoded', function(packet) { +module.exports.test = obj => { + encoder.encode(obj, encodedPackets => { + const decoder = new parser.Decoder(); + decoder.on('decoded', packet => { expect(packet).to.eql(obj); }); @@ -15,17 +15,17 @@ module.exports.test = function(obj){ } // tests encoding of binary packets -module.exports.test_bin = function test_bin(obj) { - var originalData = obj.data; - encoder.encode(obj, function(encodedPackets) { - var decoder = new parser.Decoder(); - decoder.on('decoded', function(packet) { +module.exports.test_bin = obj => { + const originalData = obj.data; + encoder.encode(obj, encodedPackets => { + const decoder = new parser.Decoder(); + decoder.on('decoded', packet => { obj.data = originalData; obj.attachments = undefined; expect(obj).to.eql(packet); }); - for (var i = 0; i < encodedPackets.length; i++) { + for (let i = 0; i < encodedPackets.length; i++) { decoder.add(encodedPackets[i]); } }); @@ -33,13 +33,13 @@ module.exports.test_bin = function test_bin(obj) { // array buffer's slice is native code that is not transported across // socket.io via msgpack, so regular .eql fails -module.exports.testArrayBuffers = function(buf1, buf2) { +module.exports.testArrayBuffers = (buf1, buf2) => { buf1.slice = undefined; buf2.slice = undefined; expect(buf1).to.eql(buf2); } -module.exports.testPacketMetadata = function(p1, p2) { +module.exports.testPacketMetadata = (p1, p2) => { expect(p1.type).to.eql(p2.type); expect(p1.id).to.eql(p2.id); expect(p1.nsp).to.eql(p2.nsp); diff --git a/test/index.js b/test/index.js index 9d4a1cb..74acc16 100644 --- a/test/index.js +++ b/test/index.js @@ -1,22 +1,22 @@ -var env = require('./support/env.js'); +const env = require('./support/env.js'); -var blobSupported = (function() { +const blobSupported = (function () { try { new Blob(['hi']); return true; - } catch(e) {} + } catch (e) { + } return false; })(); /** * Create a blob builder even when vendor prefixes exist */ - -var BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder : - typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder : - typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : - typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : false; -var blobBuilderSupported = !!BlobBuilder && !!BlobBuilder.prototype.append && !!BlobBuilder.prototype.getBlob; +const BlobBuilderRef = typeof BlobBuilder !== 'undefined' ? BlobBuilder : + typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder : + typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : + typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : false; +const blobBuilderSupported = !!BlobBuilderRef && !!BlobBuilderRef.prototype.append && !!BlobBuilderRef.prototype.getBlob; require('./parser.js'); diff --git a/test/parser.js b/test/parser.js index e2f05ea..3b3f3fe 100644 --- a/test/parser.js +++ b/test/parser.js @@ -2,9 +2,9 @@ const { PacketType, Decoder, Encoder } = require('..'); const expect = require('expect.js'); const helpers = require('./helpers.js'); -describe('parser', function(){ +describe('parser', () => { - it('exposes types', function(){ + it('exposes types', () => { expect(PacketType.CONNECT).to.be.a('number'); expect(PacketType.DISCONNECT).to.be.a('number'); expect(PacketType.EVENT).to.be.a('number'); @@ -14,21 +14,21 @@ describe('parser', function(){ expect(PacketType.BINARY_ACK).to.be.a('number'); }); - it('encodes connection', function(){ + it('encodes connection', () => { helpers.test({ type: PacketType.CONNECT, nsp: '/woot' }); }); - it('encodes disconnection', function(){ + it('encodes disconnection', () => { helpers.test({ type: PacketType.DISCONNECT, nsp: '/woot' }); }); - it('encodes an event', function(){ + it('encodes an event', () => { helpers.test({ type: PacketType.EVENT, data: ['a', 1, {}], @@ -42,7 +42,7 @@ describe('parser', function(){ }); }); - it('encodes an ack', function(){ + it('encodes an ack', () => { helpers.test({ type: PacketType.ACK, data: ['a', 1, {}], @@ -51,7 +51,7 @@ describe('parser', function(){ }); }); - it('encodes an error', function(){ + it('encodes an error', () => { helpers.test({ type: PacketType.ERROR, data: 'Unauthorized', @@ -59,7 +59,7 @@ describe('parser', function(){ }); }); - it('throws an error when encoding circular objects', function() { + it('throws an error when encoding circular objects', () => { var a = {}; a.b = a; @@ -75,7 +75,7 @@ describe('parser', function(){ expect(() => encoder.encode(data)).to.throwException(); }); - it('decodes a bad binary packet', function(){ + it('decodes a bad binary packet', () => { try { const decoder = new Decoder(); decoder.add('5'); From 00e73598a04b54dd5e547797271cf65cba621f59 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Wed, 23 Sep 2020 00:57:41 +0200 Subject: [PATCH 14/42] chore: bump elliptic from 6.5.2 to 6.5.3 (#96) Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.2 to 6.5.3. - [Release notes](https://github.com/indutny/elliptic/releases) - [Commits](https://github.com/indutny/elliptic/compare/v6.5.2...v6.5.3) Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package-lock.json | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/package-lock.json b/package-lock.json index c9155ab..80f8c42 100644 --- a/package-lock.json +++ b/package-lock.json @@ -2705,9 +2705,9 @@ "dev": true }, "elliptic": { - "version": "6.5.2", - "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.2.tgz", - "integrity": "sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==", + "version": "6.5.3", + "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz", + "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==", "dev": true, "requires": { "bn.js": "^4.4.0", @@ -2720,9 +2720,9 @@ }, "dependencies": { "bn.js": { - "version": "4.11.8", - "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz", - "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==", + "version": "4.11.9", + "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz", + "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==", "dev": true } } From fe33ff7c878026a51112d657586b805dfb781a0d Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 23 Sep 2020 22:27:55 +0200 Subject: [PATCH 15/42] test: actually test the parser The assertions were not checked, because the functions are asynchronous. Besides, the Blob tests were throwing in the browser: > Uncaught ReferenceError: can't access lexical declaration 'BlobBuilder' before initialization --- test/arraybuffer.js | 16 ++++++++-------- test/blob.js | 44 ++++++++++++++++++++++---------------------- test/buffer.js | 8 ++++---- test/helpers.js | 6 ++++-- test/index.js | 4 ++-- test/parser.js | 25 ++++++++++++++----------- 6 files changed, 54 insertions(+), 49 deletions(-) diff --git a/test/arraybuffer.js b/test/arraybuffer.js index 3f9a297..3d1c194 100644 --- a/test/arraybuffer.js +++ b/test/arraybuffer.js @@ -4,17 +4,17 @@ const helpers = require('./helpers.js'); const encoder = new Encoder(); describe('parser', () => { - it('encodes an ArrayBuffer', () => { + it('encodes an ArrayBuffer', done => { var packet = { type: PacketType.BINARY_EVENT, data: ['a', new ArrayBuffer(2)], id: 0, nsp: '/' }; - helpers.test_bin(packet); + helpers.test_bin(packet, done); }); - it('encodes a TypedArray', () => { + it('encodes a TypedArray', done => { var array = new Uint8Array(5); for (var i = 0; i < array.length; i++) array[i] = i; @@ -24,27 +24,27 @@ describe('parser', () => { id: 0, nsp: '/' }; - helpers.test_bin(packet); + helpers.test_bin(packet, done); }); - it('encodes ArrayBuffers deep in JSON', () => { + it('encodes ArrayBuffers deep in JSON', done => { var packet = { type: PacketType.BINARY_EVENT, data: ['a', {a: 'hi', b: {why: new ArrayBuffer(3)}, c: {a: 'bye', b: { a: new ArrayBuffer(6)}}}], id: 999, nsp: '/deep' }; - helpers.test_bin(packet); + helpers.test_bin(packet, done); }); - it('encodes deep binary JSON with null values', () => { + it('encodes deep binary JSON with null values', done => { var packet = { type: PacketType.BINARY_EVENT, data: ['a', {a: 'b', c: 4, e: {g: null}, h: new ArrayBuffer(9)}], nsp: '/', id: 600 }; - helpers.test_bin(packet); + helpers.test_bin(packet, done); }); it('cleans itself up on close', () => { diff --git a/test/blob.js b/test/blob.js index 9d5ef7e..2e54a7e 100644 --- a/test/blob.js +++ b/test/blob.js @@ -1,67 +1,67 @@ const { PacketType } = require('..'); const helpers = require('./helpers.js'); -const BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder : +const BlobBuilderImpl = typeof BlobBuilder !== 'undefined' ? BlobBuilder : typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder : typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : false; describe('parser', () => { - it('encodes a Blob', () => { - var data; - if (BlobBuilder) { - var bb = new BlobBuilder(); + it('encodes a Blob', (done) => { + let data; + if (BlobBuilderImpl) { + const bb = new BlobBuilderImpl(); bb.append(new ArrayBuffer(2)); data = bb.getBlob(); } else { data = new Blob([new ArrayBuffer(2)]); } - var packet = { + const packet = { type: PacketType.BINARY_EVENT, - data: data, + data: [data], id: 0, nsp: '/' }; - helpers.test_bin(packet); + helpers.test_bin(packet, done); }); - it('encodes an Blob deep in JSON', () => { - var data; - if (BlobBuilder) { - var bb = new BlobBuilder(); + it('encodes an Blob deep in JSON', (done) => { + let data; + if (BlobBuilderImpl) { + const bb = new BlobBuilderImpl(); bb.append(new ArrayBuffer(2)); data = bb.getBlob(); } else { data = new Blob([new ArrayBuffer(2)]); } - var packet = { + const packet = { type: PacketType.BINARY_EVENT, - data: {a: 'hi', b: { why: data }, c: 'bye'}, + data: [{a: 'hi', b: {why: data}, c: 'bye'}], id: 999, nsp: '/deep' }; - helpers.test_bin(packet); + helpers.test_bin(packet, done); }); - it('encodes a binary ack with a blob', () => { - var data; - if (BlobBuilder) { - var bb = new BlobBuilder(); + it('encodes a binary ack with a blob', (done) => { + let data; + if (BlobBuilderImpl) { + const bb = new BlobBuilderImpl(); bb.append(new ArrayBuffer(2)); data = bb.getBlob(); } else { data = new Blob([new ArrayBuffer(2)]); } - var packet = { + const packet = { type: PacketType.BINARY_ACK, - data: {a: 'hi ack', b: { why: data }, c: 'bye ack'}, + data: [{a: 'hi ack', b: {why: data}, c: 'bye ack'}], id: 999, nsp: '/deep' }; - helpers.test_bin(packet); + helpers.test_bin(packet, done); }) }); diff --git a/test/buffer.js b/test/buffer.js index 68a0d11..5419c34 100644 --- a/test/buffer.js +++ b/test/buffer.js @@ -2,21 +2,21 @@ const { PacketType } = require('..'); const helpers = require('./helpers.js'); describe('parser', () => { - it('encodes a Buffer', () => { + it('encodes a Buffer', done => { helpers.test_bin({ type: PacketType.BINARY_EVENT, data: ['a', Buffer.from('abc', 'utf8')], id: 23, nsp: '/cool' - }); + }, done); }); - it('encodes a binary ack with Buffer', () => { + it('encodes a binary ack with Buffer', done => { helpers.test_bin({ type: PacketType.BINARY_ACK, data: ['a', Buffer.from('xxx', 'utf8'), {}], id: 127, nsp: '/back' - }) + }, done) }); }); diff --git a/test/helpers.js b/test/helpers.js index 6bde43b..2c8ddf0 100644 --- a/test/helpers.js +++ b/test/helpers.js @@ -3,11 +3,12 @@ const expect = require('expect.js'); const encoder = new parser.Encoder(); // tests encoding and decoding a single packet -module.exports.test = obj => { +module.exports.test = (obj, done) => { encoder.encode(obj, encodedPackets => { const decoder = new parser.Decoder(); decoder.on('decoded', packet => { expect(packet).to.eql(obj); + done(); }); decoder.add(encodedPackets[0]); @@ -15,7 +16,7 @@ module.exports.test = obj => { } // tests encoding of binary packets -module.exports.test_bin = obj => { +module.exports.test_bin = (obj, done) => { const originalData = obj.data; encoder.encode(obj, encodedPackets => { const decoder = new parser.Decoder(); @@ -23,6 +24,7 @@ module.exports.test_bin = obj => { obj.data = originalData; obj.attachments = undefined; expect(obj).to.eql(packet); + done(); }); for (let i = 0; i < encodedPackets.length; i++) { diff --git a/test/index.js b/test/index.js index 74acc16..167c3a8 100644 --- a/test/index.js +++ b/test/index.js @@ -12,11 +12,11 @@ const blobSupported = (function () { /** * Create a blob builder even when vendor prefixes exist */ -const BlobBuilderRef = typeof BlobBuilder !== 'undefined' ? BlobBuilder : +const BlobBuilderImpl = typeof BlobBuilder !== 'undefined' ? BlobBuilder : typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder : typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : false; -const blobBuilderSupported = !!BlobBuilderRef && !!BlobBuilderRef.prototype.append && !!BlobBuilderRef.prototype.getBlob; +const blobBuilderSupported = !!BlobBuilderImpl && !!BlobBuilderImpl.prototype.append && !!BlobBuilderImpl.prototype.getBlob; require('./parser.js'); diff --git a/test/parser.js b/test/parser.js index 3b3f3fe..ea50cdd 100644 --- a/test/parser.js +++ b/test/parser.js @@ -14,49 +14,52 @@ describe('parser', () => { expect(PacketType.BINARY_ACK).to.be.a('number'); }); - it('encodes connection', () => { + it('encodes connection', done => { helpers.test({ type: PacketType.CONNECT, nsp: '/woot' - }); + }, done); }); - it('encodes disconnection', () => { + it('encodes disconnection', done => { helpers.test({ type: PacketType.DISCONNECT, nsp: '/woot' - }); + }, done); }); - it('encodes an event', () => { + it('encodes an event', done => { helpers.test({ type: PacketType.EVENT, data: ['a', 1, {}], nsp: '/' - }); + }, done); + }); + + it('encodes an event (with ack)', done => { helpers.test({ type: PacketType.EVENT, data: ['a', 1, {}], id: 1, nsp: '/test' - }); + }, done); }); - it('encodes an ack', () => { + it('encodes an ack', done => { helpers.test({ type: PacketType.ACK, data: ['a', 1, {}], id: 123, nsp: '/' - }); + }, done); }); - it('encodes an error', () => { + it('encodes an error', done => { helpers.test({ type: PacketType.ERROR, data: 'Unauthorized', nsp: '/' - }); + }, done); }); it('throws an error when encoding circular objects', () => { From 28d4f0309bdd9e306b78d1946d3e1760941d6544 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 23 Sep 2020 22:18:31 +0200 Subject: [PATCH 16/42] refactor: do not convert Blobs This was needed in a previous version of the parser, which used msgpack to encode the payload. Blobs (and Files) will now be included in the array of binary attachments without any additional transformation. Breaking change: the encode method is now synchronous See also https://github.com/socketio/socket.io-parser/commit/299849b00294c3bc95817572441f3aca8ffb1f65 --- lib/binary.ts | 79 ++------------------------------------------- lib/index.ts | 26 +++++++-------- lib/is-binary.ts | 34 +++++++++++++++++++ lib/is-buffer.ts | 22 ------------- test/arraybuffer.js | 18 +++++------ test/helpers.js | 40 +++++++++++------------ 6 files changed, 77 insertions(+), 142 deletions(-) create mode 100644 lib/is-binary.ts delete mode 100644 lib/is-buffer.ts diff --git a/lib/binary.ts b/lib/binary.ts index bcd57c2..80a6b96 100644 --- a/lib/binary.ts +++ b/lib/binary.ts @@ -1,19 +1,7 @@ -import isBuf from "./is-buffer"; - -const toString = Object.prototype.toString; -const withNativeBlob = - typeof Blob === "function" || - (typeof Blob !== "undefined" && - toString.call(Blob) === "[object BlobConstructor]"); -const withNativeFile = - typeof File === "function" || - (typeof File !== "undefined" && - toString.call(File) === "[object FileConstructor]"); +import isBinary from "./is-binary"; /** - * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder. - * Anything with blobs or files should be fed through removeBlobs before coming - * here. + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. * * @param {Object} packet - socket.io event packet * @return {Object} with deconstructed packet and list of buffers @@ -32,7 +20,7 @@ export function deconstructPacket(packet) { function _deconstructPacket(data, buffers) { if (!data) return data; - if (isBuf(data)) { + if (isBinary(data)) { const placeholder = { _placeholder: true, num: buffers.length }; buffers.push(data); return placeholder; @@ -88,64 +76,3 @@ function _reconstructPacket(data, buffers) { return data; } - -/** - * Asynchronously removes Blobs or Files from data via - * FileReader's readAsArrayBuffer method. Used before encoding - * data as msgpack. Calls callback with the blobless data. - * - * @param {Object} data - * @param {Function} callback - * @api private - */ - -export function removeBlobs(data, callback) { - function _removeBlobs(obj, curKey?, containingObject?) { - if (!obj) return obj; - - // convert any blob - if ( - (withNativeBlob && obj instanceof Blob) || - (withNativeFile && obj instanceof File) - ) { - pendingBlobs++; - - // async filereader - const fileReader = new FileReader(); - fileReader.onload = function () { - // this.result == arraybuffer - if (containingObject) { - containingObject[curKey] = this.result; - } else { - bloblessData = this.result; - } - - // if nothing pending its callback time - if (!--pendingBlobs) { - callback(bloblessData); - } - }; - - fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer - } else if (Array.isArray(obj)) { - // handle array - for (let i = 0; i < obj.length; i++) { - _removeBlobs(obj[i], i, obj); - } - } else if (typeof obj === "object" && !isBuf(obj)) { - // and object - for (const key in obj) { - if (obj.hasOwnProperty(key)) { - _removeBlobs(obj[key], key, obj); - } - } - } - } - - let pendingBlobs = 0; - let bloblessData = data; - _removeBlobs(bloblessData); - if (!pendingBlobs) { - callback(bloblessData); - } -} diff --git a/lib/index.ts b/lib/index.ts index 8a9f71c..d3ba917 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -1,6 +1,6 @@ import * as Emitter from "component-emitter"; import * as binary from "./binary"; -import isBuf from "./is-buffer"; +import isBinary from "./is-binary"; import debugModule from "debug"; const debug = debugModule("socket.io-parser"); @@ -41,20 +41,18 @@ export class Encoder { * buffer sequence, depending on packet type. * * @param {Object} obj - packet object - * @param {Function} callback - function to handle encodings (likely engine.write) - * @return Calls callback with Array of encodings */ - public encode(obj: Packet, callback: Function) { + public encode(obj: Packet) { debug("encoding packet %j", obj); if ( obj.type === PacketType.BINARY_EVENT || obj.type === PacketType.BINARY_ACK ) { - this.encodeAsBinary(obj, callback); + return this.encodeAsBinary(obj); } else { const encoding = this.encodeAsString(obj); - callback([encoding]); + return [encoding]; } } @@ -100,15 +98,13 @@ export class Encoder { * a list of buffers. */ - private encodeAsBinary(obj: Packet, callback: Function) { - binary.removeBlobs(obj, (bloblessData) => { - const deconstruction = binary.deconstructPacket(bloblessData); - const pack = this.encodeAsString(deconstruction.packet); - const buffers = deconstruction.buffers; + private encodeAsBinary(obj: Packet) { + const deconstruction = binary.deconstructPacket(obj); + const pack = this.encodeAsString(deconstruction.packet); + const buffers = deconstruction.buffers; - buffers.unshift(pack); // add packet info to beginning of data list - callback(buffers); // write all the buffers - }); + buffers.unshift(pack); // add packet info to beginning of data list + return buffers; // write all the buffers } } @@ -149,7 +145,7 @@ export class Decoder extends Emitter { // non-binary full packet super.emit("decoded", packet); } - } else if (isBuf(obj) || obj.base64) { + } else if (isBinary(obj) || obj.base64) { // raw binary data if (!this.reconstructor) { throw new Error("got binary data when not reconstructing a packet"); diff --git a/lib/is-binary.ts b/lib/is-binary.ts new file mode 100644 index 0000000..ed8fdbf --- /dev/null +++ b/lib/is-binary.ts @@ -0,0 +1,34 @@ +const withNativeBuffer: boolean = + typeof Buffer === "function" && typeof Buffer.isBuffer === "function"; +const withNativeArrayBuffer: boolean = typeof ArrayBuffer === "function"; + +const isView = (obj: any) => { + return typeof ArrayBuffer.isView === "function" + ? ArrayBuffer.isView(obj) + : obj.buffer instanceof ArrayBuffer; +}; + +const toString = Object.prototype.toString; +const withNativeBlob = + typeof Blob === "function" || + (typeof Blob !== "undefined" && + toString.call(Blob) === "[object BlobConstructor]"); +const withNativeFile = + typeof File === "function" || + (typeof File !== "undefined" && + toString.call(File) === "[object FileConstructor]"); + +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ + +export default function isBinary(obj: any) { + return ( + (withNativeBuffer && Buffer.isBuffer(obj)) || + (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || + (withNativeBlob && obj instanceof Blob) || + (withNativeFile && obj instanceof File) + ); +} diff --git a/lib/is-buffer.ts b/lib/is-buffer.ts deleted file mode 100644 index 36eb72d..0000000 --- a/lib/is-buffer.ts +++ /dev/null @@ -1,22 +0,0 @@ -const withNativeBuffer: boolean = - typeof Buffer === "function" && typeof Buffer.isBuffer === "function"; -const withNativeArrayBuffer: boolean = typeof ArrayBuffer === "function"; - -const isView = (obj: any) => { - return typeof ArrayBuffer.isView === "function" - ? ArrayBuffer.isView(obj) - : obj.buffer instanceof ArrayBuffer; -}; - -/** - * Returns true if obj is a buffer or an arraybuffer. - * - * @private - */ - -export default function isBuf(obj) { - return ( - (withNativeBuffer && Buffer.isBuffer(obj)) || - (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) - ); -} diff --git a/test/arraybuffer.js b/test/arraybuffer.js index 3d1c194..948c336 100644 --- a/test/arraybuffer.js +++ b/test/arraybuffer.js @@ -55,16 +55,16 @@ describe('parser', () => { nsp: '/' }; - encoder.encode(packet, encodedPackets => { - var decoder = new Decoder(); - decoder.on('decoded', packet => { - throw new Error("received a packet when not all binary data was sent."); - }); + const encodedPackets = encoder.encode(packet); - decoder.add(encodedPackets[0]); // add metadata - decoder.add(encodedPackets[1]); // add first attachment - decoder.destroy(); // destroy before all data added - expect(decoder.reconstructor.buffers.length).to.be(0); // expect that buffer is clean + var decoder = new Decoder(); + decoder.on('decoded', packet => { + throw new Error("received a packet when not all binary data was sent."); }); + + decoder.add(encodedPackets[0]); // add metadata + decoder.add(encodedPackets[1]); // add first attachment + decoder.destroy(); // destroy before all data added + expect(decoder.reconstructor.buffers.length).to.be(0); // expect that buffer is clean }); }); diff --git a/test/helpers.js b/test/helpers.js index 2c8ddf0..cd7023a 100644 --- a/test/helpers.js +++ b/test/helpers.js @@ -4,33 +4,33 @@ const encoder = new parser.Encoder(); // tests encoding and decoding a single packet module.exports.test = (obj, done) => { - encoder.encode(obj, encodedPackets => { - const decoder = new parser.Decoder(); - decoder.on('decoded', packet => { - expect(packet).to.eql(obj); - done(); - }); - - decoder.add(encodedPackets[0]); + const encodedPackets = encoder.encode(obj); + + const decoder = new parser.Decoder(); + decoder.on('decoded', packet => { + expect(packet).to.eql(obj); + done(); }); + + decoder.add(encodedPackets[0]); } // tests encoding of binary packets module.exports.test_bin = (obj, done) => { const originalData = obj.data; - encoder.encode(obj, encodedPackets => { - const decoder = new parser.Decoder(); - decoder.on('decoded', packet => { - obj.data = originalData; - obj.attachments = undefined; - expect(obj).to.eql(packet); - done(); - }); - - for (let i = 0; i < encodedPackets.length; i++) { - decoder.add(encodedPackets[i]); - } + const encodedPackets = encoder.encode(obj); + + const decoder = new parser.Decoder(); + decoder.on('decoded', packet => { + obj.data = originalData; + obj.attachments = undefined; + expect(obj).to.eql(packet); + done(); }); + + for (let i = 0; i < encodedPackets.length; i++) { + decoder.add(encodedPackets[i]); + } } // array buffer's slice is native code that is not transported across From cfdc4794f6a32c2ef7e1194a7cd015610ced2450 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 23 Sep 2020 22:51:44 +0200 Subject: [PATCH 17/42] refactor: use prettier to format test code --- package.json | 4 +- test/arraybuffer.js | 63 +++++++++++--------- test/blob.js | 39 ++++++------ test/buffer.js | 36 ++++++----- test/helpers.js | 22 +++---- test/index.js | 36 ++++++----- test/parser.js | 141 +++++++++++++++++++++++++------------------- test/support/env.js | 2 +- 8 files changed, 195 insertions(+), 148 deletions(-) diff --git a/package.json b/package.json index a403585..6c32a8b 100644 --- a/package.json +++ b/package.json @@ -35,8 +35,8 @@ "test": "npm run format:check && tsc && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", "test:node": "mocha --reporter dot --bail test/index.js", "test:browser": "zuul test/index.js --no-coverage", - "format:fix": "prettier --write --parser typescript \"lib/**/*.ts\"", - "format:check": "prettier --check --parser typescript \"lib/**/*.ts\"" + "format:fix": "prettier --write --parser typescript 'lib/**/*.ts' 'test/**/*.js'", + "format:check": "prettier --check --parser typescript 'lib/**/*.ts' 'test/**/*.js'" }, "license": "MIT", "engines": { diff --git a/test/arraybuffer.js b/test/arraybuffer.js index 948c336..b5df85e 100644 --- a/test/arraybuffer.js +++ b/test/arraybuffer.js @@ -1,64 +1,71 @@ -const { PacketType, Decoder, Encoder } = require('..'); -const expect = require('expect.js'); -const helpers = require('./helpers.js'); +const { PacketType, Decoder, Encoder } = require(".."); +const expect = require("expect.js"); +const helpers = require("./helpers.js"); const encoder = new Encoder(); -describe('parser', () => { - it('encodes an ArrayBuffer', done => { - var packet = { +describe("parser", () => { + it("encodes an ArrayBuffer", (done) => { + const packet = { type: PacketType.BINARY_EVENT, - data: ['a', new ArrayBuffer(2)], + data: ["a", new ArrayBuffer(2)], id: 0, - nsp: '/' + nsp: "/", }; helpers.test_bin(packet, done); }); - it('encodes a TypedArray', done => { - var array = new Uint8Array(5); - for (var i = 0; i < array.length; i++) array[i] = i; + it("encodes a TypedArray", (done) => { + const array = new Uint8Array(5); + for (let i = 0; i < array.length; i++) array[i] = i; - var packet = { + const packet = { type: PacketType.BINARY_EVENT, - data: ['a', array], + data: ["a", array], id: 0, - nsp: '/' + nsp: "/", }; helpers.test_bin(packet, done); }); - it('encodes ArrayBuffers deep in JSON', done => { - var packet = { + it("encodes ArrayBuffers deep in JSON", (done) => { + const packet = { type: PacketType.BINARY_EVENT, - data: ['a', {a: 'hi', b: {why: new ArrayBuffer(3)}, c: {a: 'bye', b: { a: new ArrayBuffer(6)}}}], + data: [ + "a", + { + a: "hi", + b: { why: new ArrayBuffer(3) }, + c: { a: "bye", b: { a: new ArrayBuffer(6) } }, + }, + ], id: 999, - nsp: '/deep' + nsp: "/deep", }; helpers.test_bin(packet, done); }); - it('encodes deep binary JSON with null values', done => { - var packet = { + it("encodes deep binary JSON with null values", (done) => { + const packet = { type: PacketType.BINARY_EVENT, - data: ['a', {a: 'b', c: 4, e: {g: null}, h: new ArrayBuffer(9)}], - nsp: '/', - id: 600 + data: ["a", { a: "b", c: 4, e: { g: null }, h: new ArrayBuffer(9) }], + nsp: "/", + id: 600, }; helpers.test_bin(packet, done); }); - it('cleans itself up on close', () => { - var packet = { + it("cleans itself up on close", () => { + const packet = { type: PacketType.BINARY_EVENT, data: [new ArrayBuffer(2), new ArrayBuffer(3)], id: 0, - nsp: '/' + nsp: "/", }; const encodedPackets = encoder.encode(packet); - var decoder = new Decoder(); - decoder.on('decoded', packet => { + const decoder = new Decoder(); + decoder.on("decoded", (packet) => { throw new Error("received a packet when not all binary data was sent."); }); diff --git a/test/blob.js b/test/blob.js index 2e54a7e..43ef584 100644 --- a/test/blob.js +++ b/test/blob.js @@ -1,13 +1,19 @@ -const { PacketType } = require('..'); -const helpers = require('./helpers.js'); +const { PacketType } = require(".."); +const helpers = require("./helpers.js"); -const BlobBuilderImpl = typeof BlobBuilder !== 'undefined' ? BlobBuilder : - typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder : - typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : - typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : false; +const BlobBuilderImpl = + typeof BlobBuilder !== "undefined" + ? BlobBuilder + : typeof WebKitBlobBuilder !== "undefined" + ? WebKitBlobBuilder + : typeof MSBlobBuilder !== "undefined" + ? MSBlobBuilder + : typeof MozBlobBuilder !== "undefined" + ? MozBlobBuilder + : false; -describe('parser', () => { - it('encodes a Blob', (done) => { +describe("parser", () => { + it("encodes a Blob", (done) => { let data; if (BlobBuilderImpl) { const bb = new BlobBuilderImpl(); @@ -21,12 +27,12 @@ describe('parser', () => { type: PacketType.BINARY_EVENT, data: [data], id: 0, - nsp: '/' + nsp: "/", }; helpers.test_bin(packet, done); }); - it('encodes an Blob deep in JSON', (done) => { + it("encodes an Blob deep in JSON", (done) => { let data; if (BlobBuilderImpl) { const bb = new BlobBuilderImpl(); @@ -38,14 +44,14 @@ describe('parser', () => { const packet = { type: PacketType.BINARY_EVENT, - data: [{a: 'hi', b: {why: data}, c: 'bye'}], + data: [{ a: "hi", b: { why: data }, c: "bye" }], id: 999, - nsp: '/deep' + nsp: "/deep", }; helpers.test_bin(packet, done); }); - it('encodes a binary ack with a blob', (done) => { + it("encodes a binary ack with a blob", (done) => { let data; if (BlobBuilderImpl) { const bb = new BlobBuilderImpl(); @@ -57,11 +63,10 @@ describe('parser', () => { const packet = { type: PacketType.BINARY_ACK, - data: [{a: 'hi ack', b: {why: data}, c: 'bye ack'}], + data: [{ a: "hi ack", b: { why: data }, c: "bye ack" }], id: 999, - nsp: '/deep' + nsp: "/deep", }; helpers.test_bin(packet, done); - }) - + }); }); diff --git a/test/buffer.js b/test/buffer.js index 5419c34..d5ebc23 100644 --- a/test/buffer.js +++ b/test/buffer.js @@ -1,22 +1,28 @@ -const { PacketType } = require('..'); -const helpers = require('./helpers.js'); +const { PacketType } = require(".."); +const helpers = require("./helpers.js"); -describe('parser', () => { - it('encodes a Buffer', done => { - helpers.test_bin({ +describe("parser", () => { + it("encodes a Buffer", (done) => { + helpers.test_bin( + { type: PacketType.BINARY_EVENT, - data: ['a', Buffer.from('abc', 'utf8')], + data: ["a", Buffer.from("abc", "utf8")], id: 23, - nsp: '/cool' - }, done); + nsp: "/cool", + }, + done + ); }); - it('encodes a binary ack with Buffer', done => { - helpers.test_bin({ - type: PacketType.BINARY_ACK, - data: ['a', Buffer.from('xxx', 'utf8'), {}], - id: 127, - nsp: '/back' - }, done) + it("encodes a binary ack with Buffer", (done) => { + helpers.test_bin( + { + type: PacketType.BINARY_ACK, + data: ["a", Buffer.from("xxx", "utf8"), {}], + id: 127, + nsp: "/back", + }, + done + ); }); }); diff --git a/test/helpers.js b/test/helpers.js index cd7023a..2277300 100644 --- a/test/helpers.js +++ b/test/helpers.js @@ -1,5 +1,5 @@ -const parser = require('..'); -const expect = require('expect.js'); +const parser = require(".."); +const expect = require("expect.js"); const encoder = new parser.Encoder(); // tests encoding and decoding a single packet @@ -7,13 +7,13 @@ module.exports.test = (obj, done) => { const encodedPackets = encoder.encode(obj); const decoder = new parser.Decoder(); - decoder.on('decoded', packet => { + decoder.on("decoded", (packet) => { expect(packet).to.eql(obj); done(); }); decoder.add(encodedPackets[0]); -} +}; // tests encoding of binary packets module.exports.test_bin = (obj, done) => { @@ -21,7 +21,7 @@ module.exports.test_bin = (obj, done) => { const encodedPackets = encoder.encode(obj); const decoder = new parser.Decoder(); - decoder.on('decoded', packet => { + decoder.on("decoded", (packet) => { obj.data = originalData; obj.attachments = undefined; expect(obj).to.eql(packet); @@ -31,18 +31,18 @@ module.exports.test_bin = (obj, done) => { for (let i = 0; i < encodedPackets.length; i++) { decoder.add(encodedPackets[i]); } -} +}; // array buffer's slice is native code that is not transported across // socket.io via msgpack, so regular .eql fails module.exports.testArrayBuffers = (buf1, buf2) => { - buf1.slice = undefined; - buf2.slice = undefined; - expect(buf1).to.eql(buf2); -} + buf1.slice = undefined; + buf2.slice = undefined; + expect(buf1).to.eql(buf2); +}; module.exports.testPacketMetadata = (p1, p2) => { expect(p1.type).to.eql(p2.type); expect(p1.id).to.eql(p2.id); expect(p1.nsp).to.eql(p2.nsp); -} +}; diff --git a/test/index.js b/test/index.js index 167c3a8..06114c8 100644 --- a/test/index.js +++ b/test/index.js @@ -1,33 +1,41 @@ -const env = require('./support/env.js'); +const env = require("./support/env.js"); const blobSupported = (function () { try { - new Blob(['hi']); + new Blob(["hi"]); return true; - } catch (e) { - } + } catch (e) {} return false; })(); /** * Create a blob builder even when vendor prefixes exist */ -const BlobBuilderImpl = typeof BlobBuilder !== 'undefined' ? BlobBuilder : - typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder : - typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : - typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : false; -const blobBuilderSupported = !!BlobBuilderImpl && !!BlobBuilderImpl.prototype.append && !!BlobBuilderImpl.prototype.getBlob; +const BlobBuilderImpl = + typeof BlobBuilder !== "undefined" + ? BlobBuilder + : typeof WebKitBlobBuilder !== "undefined" + ? WebKitBlobBuilder + : typeof MSBlobBuilder !== "undefined" + ? MSBlobBuilder + : typeof MozBlobBuilder !== "undefined" + ? MozBlobBuilder + : false; +const blobBuilderSupported = + !!BlobBuilderImpl && + !!BlobBuilderImpl.prototype.append && + !!BlobBuilderImpl.prototype.getBlob; -require('./parser.js'); +require("./parser.js"); if (!env.browser) { - require('./buffer.js'); + require("./buffer.js"); } -if (typeof ArrayBuffer !== 'undefined') { - require('./arraybuffer.js'); +if (typeof ArrayBuffer !== "undefined") { + require("./arraybuffer.js"); } if (blobSupported || blobBuilderSupported) { - require('./blob.js'); + require("./blob.js"); } diff --git a/test/parser.js b/test/parser.js index ea50cdd..f2bd2e9 100644 --- a/test/parser.js +++ b/test/parser.js @@ -1,94 +1,115 @@ -const { PacketType, Decoder, Encoder } = require('..'); -const expect = require('expect.js'); -const helpers = require('./helpers.js'); +const { PacketType, Decoder, Encoder } = require(".."); +const expect = require("expect.js"); +const helpers = require("./helpers.js"); -describe('parser', () => { - - it('exposes types', () => { - expect(PacketType.CONNECT).to.be.a('number'); - expect(PacketType.DISCONNECT).to.be.a('number'); - expect(PacketType.EVENT).to.be.a('number'); - expect(PacketType.ACK).to.be.a('number'); - expect(PacketType.ERROR).to.be.a('number'); - expect(PacketType.BINARY_EVENT).to.be.a('number'); - expect(PacketType.BINARY_ACK).to.be.a('number'); +describe("parser", () => { + it("exposes types", () => { + expect(PacketType.CONNECT).to.be.a("number"); + expect(PacketType.DISCONNECT).to.be.a("number"); + expect(PacketType.EVENT).to.be.a("number"); + expect(PacketType.ACK).to.be.a("number"); + expect(PacketType.ERROR).to.be.a("number"); + expect(PacketType.BINARY_EVENT).to.be.a("number"); + expect(PacketType.BINARY_ACK).to.be.a("number"); }); - it('encodes connection', done => { - helpers.test({ - type: PacketType.CONNECT, - nsp: '/woot' - }, done); + it("encodes connection", (done) => { + helpers.test( + { + type: PacketType.CONNECT, + nsp: "/woot", + }, + done + ); }); - it('encodes disconnection', done => { - helpers.test({ - type: PacketType.DISCONNECT, - nsp: '/woot' - }, done); + it("encodes disconnection", (done) => { + helpers.test( + { + type: PacketType.DISCONNECT, + nsp: "/woot", + }, + done + ); }); - it('encodes an event', done => { - helpers.test({ - type: PacketType.EVENT, - data: ['a', 1, {}], - nsp: '/' - }, done); + it("encodes an event", (done) => { + helpers.test( + { + type: PacketType.EVENT, + data: ["a", 1, {}], + nsp: "/", + }, + done + ); }); - it('encodes an event (with ack)', done => { - helpers.test({ - type: PacketType.EVENT, - data: ['a', 1, {}], - id: 1, - nsp: '/test' - }, done); + it("encodes an event (with ack)", (done) => { + helpers.test( + { + type: PacketType.EVENT, + data: ["a", 1, {}], + id: 1, + nsp: "/test", + }, + done + ); }); - it('encodes an ack', done => { - helpers.test({ - type: PacketType.ACK, - data: ['a', 1, {}], - id: 123, - nsp: '/' - }, done); + it("encodes an ack", (done) => { + helpers.test( + { + type: PacketType.ACK, + data: ["a", 1, {}], + id: 123, + nsp: "/", + }, + done + ); }); - it('encodes an error', done => { - helpers.test({ - type: PacketType.ERROR, - data: 'Unauthorized', - nsp: '/' - }, done); + it("encodes an error", (done) => { + helpers.test( + { + type: PacketType.ERROR, + data: "Unauthorized", + nsp: "/", + }, + done + ); }); - it('throws an error when encoding circular objects', () => { - var a = {}; + it("throws an error when encoding circular objects", () => { + const a = {}; a.b = a; - var data = { + const data = { type: PacketType.EVENT, data: a, id: 1, - nsp: '/' - } + nsp: "/", + }; const encoder = new Encoder(); expect(() => encoder.encode(data)).to.throwException(); }); - it('decodes a bad binary packet', () => { + it("decodes a bad binary packet", () => { try { const decoder = new Decoder(); - decoder.add('5'); - } catch(e){ + decoder.add("5"); + } catch (e) { expect(e.message).to.match(/Illegal/); } }); - it('throw an error upon parsing error', () => { - expect(() => new Decoder().add('442["some","data"')).to.throwException(/^invalid payload$/); - expect(() => new Decoder().add('999')).to.throwException(/^unknown packet type 9$/); + it("throw an error upon parsing error", () => { + expect(() => new Decoder().add('442["some","data"')).to.throwException( + /^invalid payload$/ + ); + expect(() => new Decoder().add("999")).to.throwException( + /^unknown packet type 9$/ + ); }); }); diff --git a/test/support/env.js b/test/support/env.js index 0b4873d..cc5d9b9 100644 --- a/test/support/env.js +++ b/test/support/env.js @@ -2,4 +2,4 @@ // we only do this in our tests because we need to test engine.io-client // support in browsers and in node.js // some tests do not yet work in both -module.exports.browser = typeof window !== 'undefined'; +module.exports.browser = typeof window !== "undefined"; From 9e601c69404d0be12ac0e5ccd785c6da6dd5c619 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Mon, 28 Sep 2020 14:37:47 +0200 Subject: [PATCH 18/42] refactor: export Packet interface and refactor imports --- lib/index.ts | 10 +++++----- tsconfig.json | 3 ++- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/lib/index.ts b/lib/index.ts index d3ba917..407bdc7 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -1,5 +1,5 @@ -import * as Emitter from "component-emitter"; -import * as binary from "./binary"; +import Emitter from "component-emitter"; +import { deconstructPacket, reconstructPacket } from "./binary"; import isBinary from "./is-binary"; import debugModule from "debug"; @@ -23,7 +23,7 @@ export enum PacketType { BINARY_ACK, } -interface Packet { +export interface Packet { type: PacketType; nsp: string; data?: any; @@ -99,7 +99,7 @@ export class Encoder { */ private encodeAsBinary(obj: Packet) { - const deconstruction = binary.deconstructPacket(obj); + const deconstruction = deconstructPacket(obj); const pack = this.encodeAsString(deconstruction.packet); const buffers = deconstruction.buffers; @@ -285,7 +285,7 @@ class BinaryReconstructor { this.buffers.push(binData); if (this.buffers.length === this.reconPack.attachments) { // done with buffer list - const packet = binary.reconstructPacket(this.reconPack, this.buffers); + const packet = reconstructPacket(this.reconPack, this.buffers); this.finishedReconstruction(); return packet; } diff --git a/tsconfig.json b/tsconfig.json index 87d51bf..bcd6128 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -4,7 +4,8 @@ "allowJs": false, "target": "es2017", "module": "commonjs", - "declaration": true + "declaration": true, + "esModuleInterop": true }, "include": [ "./lib/**/*" From c04d7f5c47ed712eb0f56cfc1a859f1aaa828f1e Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Mon, 28 Sep 2020 14:54:14 +0200 Subject: [PATCH 19/42] chore(release): 4.0.0 This release will be included in Socket.IO v3. Diff: https://github.com/socketio/socket.io-parser/compare/3.4.1...4.0.0 --- CHANGELOG.md | 18 ++++++++++++++++++ package-lock.json | 2 +- package.json | 2 +- 3 files changed, 20 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 4fe8f3a..2df0ed3 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,21 @@ +# [4.0.0](https://github.com/socketio/socket.io-parser/compare/3.4.1...4.0.0) (2020-09-28) + +This release will be included in Socket.IO v3. + +There is a breaking API change (see below), but the exchange [protocol](https://github.com/socketio/socket.io-protocol) is left untouched and thus stays in version 4. + +### Bug Fixes + +* do not catch encoding errors ([aeae87c](https://github.com/socketio/socket.io-parser/commit/aeae87c220287197cb78370dbd86b950a7dd29eb)) +* throw upon invalid payload format ([c327acb](https://github.com/socketio/socket.io-parser/commit/c327acbc3c3c2d0b2b439136cbcb56c81db173d6)) + + +### BREAKING CHANGES + +* the encode method is now synchronous ([28d4f03](https://github.com/socketio/socket.io-parser/commit/28d4f0309bdd9e306b78d1946d3e1760941d6544)) + + + ## [3.4.1](https://github.com/socketio/socket.io-parser/compare/3.4.0...3.4.1) (2020-05-13) diff --git a/package-lock.json b/package-lock.json index 80f8c42..30ff443 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "3.4.1", + "version": "4.0.0", "lockfileVersion": 1, "requires": true, "dependencies": { diff --git a/package.json b/package.json index 6c32a8b..aa68554 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "3.4.1", + "version": "4.0.0", "description": "socket.io protocol parser", "repository": { "type": "git", From ccadd5a462a3ac9b278fe67aaf177cad7bbb68a6 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 30 Sep 2020 02:45:53 +0200 Subject: [PATCH 20/42] docs(changelog): include changelog for release 3.3.1 Merged from the 3.3.x branch. --- CHANGELOG.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/CHANGELOG.md b/CHANGELOG.md index 2df0ed3..166ae9f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## [3.3.1](https://github.com/socketio/socket.io-parser/compare/3.3.0...3.3.1) (2020-09-30) + + # [4.0.0](https://github.com/socketio/socket.io-parser/compare/3.4.1...4.0.0) (2020-09-28) This release will be included in Socket.IO v3. From 091d25edf12804b231b788d7c8479987f90b5c24 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 6 Oct 2020 01:04:55 +0200 Subject: [PATCH 21/42] chore: add dist --- .gitignore | 1 - dist/binary.d.ts | 20 ++++ dist/binary.js | 83 ++++++++++++++ dist/index.d.ts | 71 ++++++++++++ dist/index.js | 268 ++++++++++++++++++++++++++++++++++++++++++++ dist/is-binary.d.ts | 6 + dist/is-binary.js | 28 +++++ 7 files changed, 476 insertions(+), 1 deletion(-) create mode 100644 dist/binary.d.ts create mode 100644 dist/binary.js create mode 100644 dist/index.d.ts create mode 100644 dist/index.js create mode 100644 dist/is-binary.d.ts create mode 100644 dist/is-binary.js diff --git a/.gitignore b/.gitignore index 44d646d..3c3629e 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1 @@ node_modules -dist/ diff --git a/dist/binary.d.ts b/dist/binary.d.ts new file mode 100644 index 0000000..835bd62 --- /dev/null +++ b/dist/binary.d.ts @@ -0,0 +1,20 @@ +/** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ +export declare function deconstructPacket(packet: any): { + packet: any; + buffers: any[]; +}; +/** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ +export declare function reconstructPacket(packet: any, buffers: any): any; diff --git a/dist/binary.js b/dist/binary.js new file mode 100644 index 0000000..cbee976 --- /dev/null +++ b/dist/binary.js @@ -0,0 +1,83 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.reconstructPacket = exports.deconstructPacket = void 0; +const is_binary_1 = __importDefault(require("./is-binary")); +/** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ +function deconstructPacket(packet) { + const buffers = []; + const packetData = packet.data; + const pack = packet; + pack.data = _deconstructPacket(packetData, buffers); + pack.attachments = buffers.length; // number of binary 'attachments' + return { packet: pack, buffers: buffers }; +} +exports.deconstructPacket = deconstructPacket; +function _deconstructPacket(data, buffers) { + if (!data) + return data; + if (is_binary_1.default(data)) { + const placeholder = { _placeholder: true, num: buffers.length }; + buffers.push(data); + return placeholder; + } + else if (Array.isArray(data)) { + const newData = new Array(data.length); + for (let i = 0; i < data.length; i++) { + newData[i] = _deconstructPacket(data[i], buffers); + } + return newData; + } + else if (typeof data === "object" && !(data instanceof Date)) { + const newData = {}; + for (const key in data) { + if (data.hasOwnProperty(key)) { + newData[key] = _deconstructPacket(data[key], buffers); + } + } + return newData; + } + return data; +} +/** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ +function reconstructPacket(packet, buffers) { + packet.data = _reconstructPacket(packet.data, buffers); + packet.attachments = undefined; // no longer useful + return packet; +} +exports.reconstructPacket = reconstructPacket; +function _reconstructPacket(data, buffers) { + if (!data) + return data; + if (data && data._placeholder) { + return buffers[data.num]; // appropriate buffer (should be natural order anyway) + } + else if (Array.isArray(data)) { + for (let i = 0; i < data.length; i++) { + data[i] = _reconstructPacket(data[i], buffers); + } + } + else if (typeof data === "object") { + for (const key in data) { + if (data.hasOwnProperty(key)) { + data[key] = _reconstructPacket(data[key], buffers); + } + } + } + return data; +} diff --git a/dist/index.d.ts b/dist/index.d.ts new file mode 100644 index 0000000..0b88a8a --- /dev/null +++ b/dist/index.d.ts @@ -0,0 +1,71 @@ +import Emitter from "component-emitter"; +/** + * Protocol version. + * + * @public + */ +export declare const protocol: number; +export declare enum PacketType { + CONNECT = 0, + DISCONNECT = 1, + EVENT = 2, + ACK = 3, + ERROR = 4, + BINARY_EVENT = 5, + BINARY_ACK = 6 +} +export interface Packet { + type: PacketType; + nsp: string; + data?: any; + id?: number; + attachments?: number; +} +/** + * A socket.io Encoder instance + */ +export declare class Encoder { + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + encode(obj: Packet): any[]; + /** + * Encode packet as string. + */ + private encodeAsString; + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + private encodeAsBinary; +} +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +export declare class Decoder extends Emitter { + private reconstructor; + constructor(); + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + add(obj: any): void; + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + private decodeString; + /** + * Deallocates a parser's resources + */ + destroy(): void; +} diff --git a/dist/index.js b/dist/index.js new file mode 100644 index 0000000..732933d --- /dev/null +++ b/dist/index.js @@ -0,0 +1,268 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void 0; +const component_emitter_1 = __importDefault(require("component-emitter")); +const binary_1 = require("./binary"); +const is_binary_1 = __importDefault(require("./is-binary")); +const debug_1 = __importDefault(require("debug")); +const debug = debug_1.default("socket.io-parser"); +/** + * Protocol version. + * + * @public + */ +exports.protocol = 4; +var PacketType; +(function (PacketType) { + PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; + PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; + PacketType[PacketType["EVENT"] = 2] = "EVENT"; + PacketType[PacketType["ACK"] = 3] = "ACK"; + PacketType[PacketType["ERROR"] = 4] = "ERROR"; + PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; + PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; +})(PacketType = exports.PacketType || (exports.PacketType = {})); +/** + * A socket.io Encoder instance + */ +class Encoder { + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + encode(obj) { + debug("encoding packet %j", obj); + if (obj.type === PacketType.BINARY_EVENT || + obj.type === PacketType.BINARY_ACK) { + return this.encodeAsBinary(obj); + } + else { + const encoding = this.encodeAsString(obj); + return [encoding]; + } + } + /** + * Encode packet as string. + */ + encodeAsString(obj) { + // first is type + let str = "" + obj.type; + // attachments if we have them + if (obj.type === PacketType.BINARY_EVENT || + obj.type === PacketType.BINARY_ACK) { + str += obj.attachments + "-"; + } + // if we have a namespace other than `/` + // we append it followed by a comma `,` + if (obj.nsp && "/" !== obj.nsp) { + str += obj.nsp + ","; + } + // immediately followed by the id + if (null != obj.id) { + str += obj.id; + } + // json data + if (null != obj.data) { + str += JSON.stringify(obj.data); + } + debug("encoded %j as %s", obj, str); + return str; + } + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + encodeAsBinary(obj) { + const deconstruction = binary_1.deconstructPacket(obj); + const pack = this.encodeAsString(deconstruction.packet); + const buffers = deconstruction.buffers; + buffers.unshift(pack); // add packet info to beginning of data list + return buffers; // write all the buffers + } +} +exports.Encoder = Encoder; +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +class Decoder extends component_emitter_1.default { + constructor() { + super(); + } + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + add(obj) { + let packet; + if (typeof obj === "string") { + packet = this.decodeString(obj); + if (packet.type === PacketType.BINARY_EVENT || + packet.type === PacketType.BINARY_ACK) { + // binary packet's json + this.reconstructor = new BinaryReconstructor(packet); + // no attachments, labeled binary but no binary data to follow + if (packet.attachments === 0) { + super.emit("decoded", packet); + } + } + else { + // non-binary full packet + super.emit("decoded", packet); + } + } + else if (is_binary_1.default(obj) || obj.base64) { + // raw binary data + if (!this.reconstructor) { + throw new Error("got binary data when not reconstructing a packet"); + } + else { + packet = this.reconstructor.takeBinaryData(obj); + if (packet) { + // received final buffer + this.reconstructor = null; + super.emit("decoded", packet); + } + } + } + else { + throw new Error("Unknown type: " + obj); + } + } + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + decodeString(str) { + let i = 0; + // look up type + const p = { + type: Number(str.charAt(0)), + }; + if (PacketType[p.type] === undefined) { + throw new Error("unknown packet type " + p.type); + } + // look up attachments if type binary + if (p.type === PacketType.BINARY_EVENT || + p.type === PacketType.BINARY_ACK) { + const start = i + 1; + while (str.charAt(++i) !== "-" && i != str.length) { } + const buf = str.substring(start, i); + if (buf != Number(buf) || str.charAt(i) !== "-") { + throw new Error("Illegal attachments"); + } + p.attachments = Number(buf); + } + // look up namespace (if any) + if ("/" === str.charAt(i + 1)) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if ("," === c) + break; + if (i === str.length) + break; + } + p.nsp = str.substring(start, i); + } + else { + p.nsp = "/"; + } + // look up id + const next = str.charAt(i + 1); + if ("" !== next && Number(next) == next) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if (null == c || Number(c) != c) { + --i; + break; + } + if (i === str.length) + break; + } + p.id = Number(str.substring(start, i + 1)); + } + // look up json data + if (str.charAt(++i)) { + const payload = tryParse(str.substr(i)); + const isPayloadValid = payload !== false && + (p.type === PacketType.ERROR || Array.isArray(payload)); + if (isPayloadValid) { + p.data = payload; + } + else { + throw new Error("invalid payload"); + } + } + debug("decoded %s as %j", str, p); + return p; + } + /** + * Deallocates a parser's resources + */ + destroy() { + if (this.reconstructor) { + this.reconstructor.finishedReconstruction(); + } + } +} +exports.Decoder = Decoder; +function tryParse(str) { + try { + return JSON.parse(str); + } + catch (e) { + return false; + } +} +/** + * A manager of a binary event's 'buffer sequence'. Should + * be constructed whenever a packet of type BINARY_EVENT is + * decoded. + * + * @param {Object} packet + * @return {BinaryReconstructor} initialized reconstructor + */ +class BinaryReconstructor { + constructor(packet) { + this.packet = packet; + this.buffers = []; + this.reconPack = packet; + } + /** + * Method to be called when binary data received from connection + * after a BINARY_EVENT packet. + * + * @param {Buffer | ArrayBuffer} binData - the raw binary data received + * @return {null | Object} returns null if more binary data is expected or + * a reconstructed packet object if all buffers have been received. + */ + takeBinaryData(binData) { + this.buffers.push(binData); + if (this.buffers.length === this.reconPack.attachments) { + // done with buffer list + const packet = binary_1.reconstructPacket(this.reconPack, this.buffers); + this.finishedReconstruction(); + return packet; + } + return null; + } + /** + * Cleans up binary packet reconstruction variables. + */ + finishedReconstruction() { + this.reconPack = null; + this.buffers = []; + } +} diff --git a/dist/is-binary.d.ts b/dist/is-binary.d.ts new file mode 100644 index 0000000..9b284a8 --- /dev/null +++ b/dist/is-binary.d.ts @@ -0,0 +1,6 @@ +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ +export default function isBinary(obj: any): boolean; diff --git a/dist/is-binary.js b/dist/is-binary.js new file mode 100644 index 0000000..41c3f42 --- /dev/null +++ b/dist/is-binary.js @@ -0,0 +1,28 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +const withNativeBuffer = typeof Buffer === "function" && typeof Buffer.isBuffer === "function"; +const withNativeArrayBuffer = typeof ArrayBuffer === "function"; +const isView = (obj) => { + return typeof ArrayBuffer.isView === "function" + ? ArrayBuffer.isView(obj) + : obj.buffer instanceof ArrayBuffer; +}; +const toString = Object.prototype.toString; +const withNativeBlob = typeof Blob === "function" || + (typeof Blob !== "undefined" && + toString.call(Blob) === "[object BlobConstructor]"); +const withNativeFile = typeof File === "function" || + (typeof File !== "undefined" && + toString.call(File) === "[object FileConstructor]"); +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ +function isBinary(obj) { + return ((withNativeBuffer && Buffer.isBuffer(obj)) || + (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || + (withNativeBlob && obj instanceof Blob) || + (withNativeFile && obj instanceof File)); +} +exports.default = isBinary; From 9eb8561cbcc318c09607bcbdd696b73e1501df0b Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 6 Oct 2020 01:15:44 +0200 Subject: [PATCH 22/42] refactor: use require for debug dependency So that the lines can be properly excluded by the webpack-remove-debug loader ([1]). [1] https://github.com/johngodley/webpack-remove-debug --- dist/index.js | 3 +-- lib/index.ts | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/dist/index.js b/dist/index.js index 732933d..b7b716b 100644 --- a/dist/index.js +++ b/dist/index.js @@ -7,8 +7,7 @@ exports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void const component_emitter_1 = __importDefault(require("component-emitter")); const binary_1 = require("./binary"); const is_binary_1 = __importDefault(require("./is-binary")); -const debug_1 = __importDefault(require("debug")); -const debug = debug_1.default("socket.io-parser"); +const debug = require("debug")("socket.io-parser"); /** * Protocol version. * diff --git a/lib/index.ts b/lib/index.ts index 407bdc7..a9c9043 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -1,9 +1,8 @@ import Emitter from "component-emitter"; import { deconstructPacket, reconstructPacket } from "./binary"; import isBinary from "./is-binary"; -import debugModule from "debug"; -const debug = debugModule("socket.io-parser"); +const debug = require("debug")("socket.io-parser"); /** * Protocol version. From 78f9fc2999b15804b02f2c22a2b4007734a26af9 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 7 Oct 2020 18:36:33 +0200 Subject: [PATCH 23/42] feat: add support for a payload in a CONNECT packet --- dist/index.d.ts | 1 + dist/index.js | 20 +++++++++++++++++--- lib/index.ts | 22 ++++++++++++++++++---- test/arraybuffer.js | 2 +- test/blob.js | 4 ++-- test/parser.js | 17 ++++++++++++++--- 6 files changed, 53 insertions(+), 13 deletions(-) diff --git a/dist/index.d.ts b/dist/index.d.ts index 0b88a8a..c2e4753 100644 --- a/dist/index.d.ts +++ b/dist/index.d.ts @@ -64,6 +64,7 @@ export declare class Decoder extends Emitter { * @return {Object} packet */ private decodeString; + private static isPayloadValid; /** * Deallocates a parser's resources */ diff --git a/dist/index.js b/dist/index.js index b7b716b..69cf092 100644 --- a/dist/index.js +++ b/dist/index.js @@ -195,9 +195,7 @@ class Decoder extends component_emitter_1.default { // look up json data if (str.charAt(++i)) { const payload = tryParse(str.substr(i)); - const isPayloadValid = payload !== false && - (p.type === PacketType.ERROR || Array.isArray(payload)); - if (isPayloadValid) { + if (Decoder.isPayloadValid(p.type, payload)) { p.data = payload; } else { @@ -207,6 +205,22 @@ class Decoder extends component_emitter_1.default { debug("decoded %s as %j", str, p); return p; } + static isPayloadValid(type, payload) { + switch (type) { + case PacketType.CONNECT: + return typeof payload === "object"; + case PacketType.DISCONNECT: + return payload === undefined; + case PacketType.ERROR: + return typeof payload === "string"; + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + return Array.isArray(payload) && typeof payload[0] === "string"; + case PacketType.ACK: + case PacketType.BINARY_ACK: + return Array.isArray(payload); + } + } /** * Deallocates a parser's resources */ diff --git a/lib/index.ts b/lib/index.ts index a9c9043..ff5671e 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -223,10 +223,7 @@ export class Decoder extends Emitter { // look up json data if (str.charAt(++i)) { const payload = tryParse(str.substr(i)); - const isPayloadValid = - payload !== false && - (p.type === PacketType.ERROR || Array.isArray(payload)); - if (isPayloadValid) { + if (Decoder.isPayloadValid(p.type, payload)) { p.data = payload; } else { throw new Error("invalid payload"); @@ -237,6 +234,23 @@ export class Decoder extends Emitter { return p; } + private static isPayloadValid(type: PacketType, payload: any): boolean { + switch (type) { + case PacketType.CONNECT: + return typeof payload === "object"; + case PacketType.DISCONNECT: + return payload === undefined; + case PacketType.ERROR: + return typeof payload === "string"; + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + return Array.isArray(payload) && typeof payload[0] === "string"; + case PacketType.ACK: + case PacketType.BINARY_ACK: + return Array.isArray(payload); + } + } + /** * Deallocates a parser's resources */ diff --git a/test/arraybuffer.js b/test/arraybuffer.js index b5df85e..14ef58c 100644 --- a/test/arraybuffer.js +++ b/test/arraybuffer.js @@ -57,7 +57,7 @@ describe("parser", () => { it("cleans itself up on close", () => { const packet = { type: PacketType.BINARY_EVENT, - data: [new ArrayBuffer(2), new ArrayBuffer(3)], + data: ["a", new ArrayBuffer(2), new ArrayBuffer(3)], id: 0, nsp: "/", }; diff --git a/test/blob.js b/test/blob.js index 43ef584..559d7ef 100644 --- a/test/blob.js +++ b/test/blob.js @@ -25,7 +25,7 @@ describe("parser", () => { const packet = { type: PacketType.BINARY_EVENT, - data: [data], + data: ["a", data], id: 0, nsp: "/", }; @@ -44,7 +44,7 @@ describe("parser", () => { const packet = { type: PacketType.BINARY_EVENT, - data: [{ a: "hi", b: { why: data }, c: "bye" }], + data: ["a", { a: "hi", b: { why: data }, c: "bye" }], id: 999, nsp: "/deep", }; diff --git a/test/parser.js b/test/parser.js index f2bd2e9..34d5002 100644 --- a/test/parser.js +++ b/test/parser.js @@ -18,6 +18,9 @@ describe("parser", () => { { type: PacketType.CONNECT, nsp: "/woot", + data: { + token: "123", + }, }, done ); @@ -105,9 +108,17 @@ describe("parser", () => { }); it("throw an error upon parsing error", () => { - expect(() => new Decoder().add('442["some","data"')).to.throwException( - /^invalid payload$/ - ); + const isInvalidPayload = (str) => + expect(() => new Decoder().add(str)).to.throwException( + /^invalid payload$/ + ); + + isInvalidPayload('442["some","data"'); + isInvalidPayload('0/admin,"invalid"'); + isInvalidPayload("1/admin,{}"); + isInvalidPayload('2/admin,"invalid'); + isInvalidPayload("2/admin,{}"); + expect(() => new Decoder().add("999")).to.throwException( /^unknown packet type 9$/ ); From 7fc3c422347b6ec33e3c3b3bf3671b825a41f18f Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Mon, 12 Oct 2020 15:20:57 +0200 Subject: [PATCH 24/42] chore(release): 4.0.1-rc1 Diff: https://github.com/socketio/socket.io-parser/compare/4.0.0...4.0.1-rc1 --- .gitignore | 1 + CHANGELOG.md | 9 ++ dist/binary.d.ts | 20 ---- dist/binary.js | 83 ------------- dist/index.d.ts | 72 ------------ dist/index.js | 281 -------------------------------------------- dist/is-binary.d.ts | 6 - dist/is-binary.js | 28 ----- package-lock.json | 2 +- package.json | 5 +- 10 files changed, 14 insertions(+), 493 deletions(-) delete mode 100644 dist/binary.d.ts delete mode 100644 dist/binary.js delete mode 100644 dist/index.d.ts delete mode 100644 dist/index.js delete mode 100644 dist/is-binary.d.ts delete mode 100644 dist/is-binary.js diff --git a/.gitignore b/.gitignore index 3c3629e..44d646d 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,2 @@ node_modules +dist/ diff --git a/CHANGELOG.md b/CHANGELOG.md index 166ae9f..35cceb9 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,12 @@ +## [4.0.1-rc1](https://github.com/socketio/socket.io-parser/compare/4.0.0...4.0.1-rc1) (2020-10-12) + + +### Features + +* add support for a payload in a CONNECT packet ([78f9fc2](https://github.com/socketio/socket.io-parser/commit/78f9fc2999b15804b02f2c22a2b4007734a26af9)) + + + ## [3.3.1](https://github.com/socketio/socket.io-parser/compare/3.3.0...3.3.1) (2020-09-30) diff --git a/dist/binary.d.ts b/dist/binary.d.ts deleted file mode 100644 index 835bd62..0000000 --- a/dist/binary.d.ts +++ /dev/null @@ -1,20 +0,0 @@ -/** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ -export declare function deconstructPacket(packet: any): { - packet: any; - buffers: any[]; -}; -/** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ -export declare function reconstructPacket(packet: any, buffers: any): any; diff --git a/dist/binary.js b/dist/binary.js deleted file mode 100644 index cbee976..0000000 --- a/dist/binary.js +++ /dev/null @@ -1,83 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.reconstructPacket = exports.deconstructPacket = void 0; -const is_binary_1 = __importDefault(require("./is-binary")); -/** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ -function deconstructPacket(packet) { - const buffers = []; - const packetData = packet.data; - const pack = packet; - pack.data = _deconstructPacket(packetData, buffers); - pack.attachments = buffers.length; // number of binary 'attachments' - return { packet: pack, buffers: buffers }; -} -exports.deconstructPacket = deconstructPacket; -function _deconstructPacket(data, buffers) { - if (!data) - return data; - if (is_binary_1.default(data)) { - const placeholder = { _placeholder: true, num: buffers.length }; - buffers.push(data); - return placeholder; - } - else if (Array.isArray(data)) { - const newData = new Array(data.length); - for (let i = 0; i < data.length; i++) { - newData[i] = _deconstructPacket(data[i], buffers); - } - return newData; - } - else if (typeof data === "object" && !(data instanceof Date)) { - const newData = {}; - for (const key in data) { - if (data.hasOwnProperty(key)) { - newData[key] = _deconstructPacket(data[key], buffers); - } - } - return newData; - } - return data; -} -/** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ -function reconstructPacket(packet, buffers) { - packet.data = _reconstructPacket(packet.data, buffers); - packet.attachments = undefined; // no longer useful - return packet; -} -exports.reconstructPacket = reconstructPacket; -function _reconstructPacket(data, buffers) { - if (!data) - return data; - if (data && data._placeholder) { - return buffers[data.num]; // appropriate buffer (should be natural order anyway) - } - else if (Array.isArray(data)) { - for (let i = 0; i < data.length; i++) { - data[i] = _reconstructPacket(data[i], buffers); - } - } - else if (typeof data === "object") { - for (const key in data) { - if (data.hasOwnProperty(key)) { - data[key] = _reconstructPacket(data[key], buffers); - } - } - } - return data; -} diff --git a/dist/index.d.ts b/dist/index.d.ts deleted file mode 100644 index c2e4753..0000000 --- a/dist/index.d.ts +++ /dev/null @@ -1,72 +0,0 @@ -import Emitter from "component-emitter"; -/** - * Protocol version. - * - * @public - */ -export declare const protocol: number; -export declare enum PacketType { - CONNECT = 0, - DISCONNECT = 1, - EVENT = 2, - ACK = 3, - ERROR = 4, - BINARY_EVENT = 5, - BINARY_ACK = 6 -} -export interface Packet { - type: PacketType; - nsp: string; - data?: any; - id?: number; - attachments?: number; -} -/** - * A socket.io Encoder instance - */ -export declare class Encoder { - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - encode(obj: Packet): any[]; - /** - * Encode packet as string. - */ - private encodeAsString; - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - private encodeAsBinary; -} -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ -export declare class Decoder extends Emitter { - private reconstructor; - constructor(); - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - add(obj: any): void; - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - private decodeString; - private static isPayloadValid; - /** - * Deallocates a parser's resources - */ - destroy(): void; -} diff --git a/dist/index.js b/dist/index.js deleted file mode 100644 index 69cf092..0000000 --- a/dist/index.js +++ /dev/null @@ -1,281 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void 0; -const component_emitter_1 = __importDefault(require("component-emitter")); -const binary_1 = require("./binary"); -const is_binary_1 = __importDefault(require("./is-binary")); -const debug = require("debug")("socket.io-parser"); -/** - * Protocol version. - * - * @public - */ -exports.protocol = 4; -var PacketType; -(function (PacketType) { - PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; - PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; - PacketType[PacketType["EVENT"] = 2] = "EVENT"; - PacketType[PacketType["ACK"] = 3] = "ACK"; - PacketType[PacketType["ERROR"] = 4] = "ERROR"; - PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; - PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; -})(PacketType = exports.PacketType || (exports.PacketType = {})); -/** - * A socket.io Encoder instance - */ -class Encoder { - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - encode(obj) { - debug("encoding packet %j", obj); - if (obj.type === PacketType.BINARY_EVENT || - obj.type === PacketType.BINARY_ACK) { - return this.encodeAsBinary(obj); - } - else { - const encoding = this.encodeAsString(obj); - return [encoding]; - } - } - /** - * Encode packet as string. - */ - encodeAsString(obj) { - // first is type - let str = "" + obj.type; - // attachments if we have them - if (obj.type === PacketType.BINARY_EVENT || - obj.type === PacketType.BINARY_ACK) { - str += obj.attachments + "-"; - } - // if we have a namespace other than `/` - // we append it followed by a comma `,` - if (obj.nsp && "/" !== obj.nsp) { - str += obj.nsp + ","; - } - // immediately followed by the id - if (null != obj.id) { - str += obj.id; - } - // json data - if (null != obj.data) { - str += JSON.stringify(obj.data); - } - debug("encoded %j as %s", obj, str); - return str; - } - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - encodeAsBinary(obj) { - const deconstruction = binary_1.deconstructPacket(obj); - const pack = this.encodeAsString(deconstruction.packet); - const buffers = deconstruction.buffers; - buffers.unshift(pack); // add packet info to beginning of data list - return buffers; // write all the buffers - } -} -exports.Encoder = Encoder; -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ -class Decoder extends component_emitter_1.default { - constructor() { - super(); - } - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - add(obj) { - let packet; - if (typeof obj === "string") { - packet = this.decodeString(obj); - if (packet.type === PacketType.BINARY_EVENT || - packet.type === PacketType.BINARY_ACK) { - // binary packet's json - this.reconstructor = new BinaryReconstructor(packet); - // no attachments, labeled binary but no binary data to follow - if (packet.attachments === 0) { - super.emit("decoded", packet); - } - } - else { - // non-binary full packet - super.emit("decoded", packet); - } - } - else if (is_binary_1.default(obj) || obj.base64) { - // raw binary data - if (!this.reconstructor) { - throw new Error("got binary data when not reconstructing a packet"); - } - else { - packet = this.reconstructor.takeBinaryData(obj); - if (packet) { - // received final buffer - this.reconstructor = null; - super.emit("decoded", packet); - } - } - } - else { - throw new Error("Unknown type: " + obj); - } - } - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - decodeString(str) { - let i = 0; - // look up type - const p = { - type: Number(str.charAt(0)), - }; - if (PacketType[p.type] === undefined) { - throw new Error("unknown packet type " + p.type); - } - // look up attachments if type binary - if (p.type === PacketType.BINARY_EVENT || - p.type === PacketType.BINARY_ACK) { - const start = i + 1; - while (str.charAt(++i) !== "-" && i != str.length) { } - const buf = str.substring(start, i); - if (buf != Number(buf) || str.charAt(i) !== "-") { - throw new Error("Illegal attachments"); - } - p.attachments = Number(buf); - } - // look up namespace (if any) - if ("/" === str.charAt(i + 1)) { - const start = i + 1; - while (++i) { - const c = str.charAt(i); - if ("," === c) - break; - if (i === str.length) - break; - } - p.nsp = str.substring(start, i); - } - else { - p.nsp = "/"; - } - // look up id - const next = str.charAt(i + 1); - if ("" !== next && Number(next) == next) { - const start = i + 1; - while (++i) { - const c = str.charAt(i); - if (null == c || Number(c) != c) { - --i; - break; - } - if (i === str.length) - break; - } - p.id = Number(str.substring(start, i + 1)); - } - // look up json data - if (str.charAt(++i)) { - const payload = tryParse(str.substr(i)); - if (Decoder.isPayloadValid(p.type, payload)) { - p.data = payload; - } - else { - throw new Error("invalid payload"); - } - } - debug("decoded %s as %j", str, p); - return p; - } - static isPayloadValid(type, payload) { - switch (type) { - case PacketType.CONNECT: - return typeof payload === "object"; - case PacketType.DISCONNECT: - return payload === undefined; - case PacketType.ERROR: - return typeof payload === "string"; - case PacketType.EVENT: - case PacketType.BINARY_EVENT: - return Array.isArray(payload) && typeof payload[0] === "string"; - case PacketType.ACK: - case PacketType.BINARY_ACK: - return Array.isArray(payload); - } - } - /** - * Deallocates a parser's resources - */ - destroy() { - if (this.reconstructor) { - this.reconstructor.finishedReconstruction(); - } - } -} -exports.Decoder = Decoder; -function tryParse(str) { - try { - return JSON.parse(str); - } - catch (e) { - return false; - } -} -/** - * A manager of a binary event's 'buffer sequence'. Should - * be constructed whenever a packet of type BINARY_EVENT is - * decoded. - * - * @param {Object} packet - * @return {BinaryReconstructor} initialized reconstructor - */ -class BinaryReconstructor { - constructor(packet) { - this.packet = packet; - this.buffers = []; - this.reconPack = packet; - } - /** - * Method to be called when binary data received from connection - * after a BINARY_EVENT packet. - * - * @param {Buffer | ArrayBuffer} binData - the raw binary data received - * @return {null | Object} returns null if more binary data is expected or - * a reconstructed packet object if all buffers have been received. - */ - takeBinaryData(binData) { - this.buffers.push(binData); - if (this.buffers.length === this.reconPack.attachments) { - // done with buffer list - const packet = binary_1.reconstructPacket(this.reconPack, this.buffers); - this.finishedReconstruction(); - return packet; - } - return null; - } - /** - * Cleans up binary packet reconstruction variables. - */ - finishedReconstruction() { - this.reconPack = null; - this.buffers = []; - } -} diff --git a/dist/is-binary.d.ts b/dist/is-binary.d.ts deleted file mode 100644 index 9b284a8..0000000 --- a/dist/is-binary.d.ts +++ /dev/null @@ -1,6 +0,0 @@ -/** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ -export default function isBinary(obj: any): boolean; diff --git a/dist/is-binary.js b/dist/is-binary.js deleted file mode 100644 index 41c3f42..0000000 --- a/dist/is-binary.js +++ /dev/null @@ -1,28 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -const withNativeBuffer = typeof Buffer === "function" && typeof Buffer.isBuffer === "function"; -const withNativeArrayBuffer = typeof ArrayBuffer === "function"; -const isView = (obj) => { - return typeof ArrayBuffer.isView === "function" - ? ArrayBuffer.isView(obj) - : obj.buffer instanceof ArrayBuffer; -}; -const toString = Object.prototype.toString; -const withNativeBlob = typeof Blob === "function" || - (typeof Blob !== "undefined" && - toString.call(Blob) === "[object BlobConstructor]"); -const withNativeFile = typeof File === "function" || - (typeof File !== "undefined" && - toString.call(File) === "[object FileConstructor]"); -/** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ -function isBinary(obj) { - return ((withNativeBuffer && Buffer.isBuffer(obj)) || - (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || - (withNativeBlob && obj instanceof Blob) || - (withNativeFile && obj instanceof File)); -} -exports.default = isBinary; diff --git a/package-lock.json b/package-lock.json index 30ff443..34439a6 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.0", + "version": "4.0.1-rc1", "lockfileVersion": 1, "requires": true, "dependencies": { diff --git a/package.json b/package.json index aa68554..33babcf 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.0", + "version": "4.0.1-rc1", "description": "socket.io protocol parser", "repository": { "type": "git", @@ -36,7 +36,8 @@ "test:node": "mocha --reporter dot --bail test/index.js", "test:browser": "zuul test/index.js --no-coverage", "format:fix": "prettier --write --parser typescript 'lib/**/*.ts' 'test/**/*.js'", - "format:check": "prettier --check --parser typescript 'lib/**/*.ts' 'test/**/*.js'" + "format:check": "prettier --check --parser typescript 'lib/**/*.ts' 'test/**/*.js'", + "prepack": "tsc" }, "license": "MIT", "engines": { From 285e7cd0d837adfc911c999e7294788681226ae1 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Thu, 15 Oct 2020 01:15:42 +0200 Subject: [PATCH 25/42] feat: move binary detection back to the parser The binary detection was moved from the parser to the client/server in [1], in order to allow the user to skip the binary detection for huge JSON payloads. ```js socket.binary(false).emit(...); ``` The binary detection is needed in the default parser, because the payload is encoded with JSON.stringify(), which does not support binary content (ArrayBuffer, Blob, ...). But other parsers (like [2] or [3]) do not need this check, so we'll move the binary detection back here and remove the socket.binary() method, as this use case is now covered by the ability to provide your own parser. Note: the hasBinary method was copied from [4]. [1]: https://github.com/socketio/socket.io-parser/commit/f44256c523ac8f0219ffd20d8fd73a0e2b445f28 [2]: https://github.com/darrachequesne/socket.io-msgpack-parser [3]: https://github.com/darrachequesne/socket.io-json-parser [4]: https://github.com/darrachequesne/has-binary --- lib/binary.ts | 2 +- lib/index.ts | 21 +++++++++++---------- lib/is-binary.ts | 40 ++++++++++++++++++++++++++++++++++++---- test/arraybuffer.js | 10 +++++----- test/blob.js | 6 +++--- test/buffer.js | 4 ++-- tsconfig.json | 3 +-- 7 files changed, 59 insertions(+), 27 deletions(-) diff --git a/lib/binary.ts b/lib/binary.ts index 80a6b96..89956c2 100644 --- a/lib/binary.ts +++ b/lib/binary.ts @@ -1,4 +1,4 @@ -import isBinary from "./is-binary"; +import { isBinary } from "./is-binary"; /** * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. diff --git a/lib/index.ts b/lib/index.ts index ff5671e..cc6e69d 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -1,6 +1,6 @@ -import Emitter from "component-emitter"; +import Emitter = require("component-emitter"); import { deconstructPacket, reconstructPacket } from "./binary"; -import isBinary from "./is-binary"; +import { isBinary, hasBinary } from "./is-binary"; const debug = require("debug")("socket.io-parser"); @@ -44,15 +44,16 @@ export class Encoder { public encode(obj: Packet) { debug("encoding packet %j", obj); - if ( - obj.type === PacketType.BINARY_EVENT || - obj.type === PacketType.BINARY_ACK - ) { - return this.encodeAsBinary(obj); - } else { - const encoding = this.encodeAsString(obj); - return [encoding]; + if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { + if (hasBinary(obj)) { + obj.type = + obj.type === PacketType.EVENT + ? PacketType.BINARY_EVENT + : PacketType.BINARY_ACK; + return this.encodeAsBinary(obj); + } } + return [this.encodeAsString(obj)]; } /** diff --git a/lib/is-binary.ts b/lib/is-binary.ts index ed8fdbf..0ec6417 100644 --- a/lib/is-binary.ts +++ b/lib/is-binary.ts @@ -1,5 +1,3 @@ -const withNativeBuffer: boolean = - typeof Buffer === "function" && typeof Buffer.isBuffer === "function"; const withNativeArrayBuffer: boolean = typeof ArrayBuffer === "function"; const isView = (obj: any) => { @@ -24,11 +22,45 @@ const withNativeFile = * @private */ -export default function isBinary(obj: any) { +export function isBinary(obj: any) { return ( - (withNativeBuffer && Buffer.isBuffer(obj)) || (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || (withNativeBlob && obj instanceof Blob) || (withNativeFile && obj instanceof File) ); } + +export function hasBinary(obj: any, toJSON?: boolean) { + if (!obj || typeof obj !== "object") { + return false; + } + + if (Array.isArray(obj)) { + for (let i = 0, l = obj.length; i < l; i++) { + if (hasBinary(obj[i])) { + return true; + } + } + return false; + } + + if (isBinary(obj)) { + return true; + } + + if ( + obj.toJSON && + typeof obj.toJSON === "function" && + arguments.length === 1 + ) { + return hasBinary(obj.toJSON(), true); + } + + for (const key in obj) { + if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { + return true; + } + } + + return false; +} diff --git a/test/arraybuffer.js b/test/arraybuffer.js index 14ef58c..6d44057 100644 --- a/test/arraybuffer.js +++ b/test/arraybuffer.js @@ -6,7 +6,7 @@ const encoder = new Encoder(); describe("parser", () => { it("encodes an ArrayBuffer", (done) => { const packet = { - type: PacketType.BINARY_EVENT, + type: PacketType.EVENT, data: ["a", new ArrayBuffer(2)], id: 0, nsp: "/", @@ -19,7 +19,7 @@ describe("parser", () => { for (let i = 0; i < array.length; i++) array[i] = i; const packet = { - type: PacketType.BINARY_EVENT, + type: PacketType.EVENT, data: ["a", array], id: 0, nsp: "/", @@ -29,7 +29,7 @@ describe("parser", () => { it("encodes ArrayBuffers deep in JSON", (done) => { const packet = { - type: PacketType.BINARY_EVENT, + type: PacketType.EVENT, data: [ "a", { @@ -46,7 +46,7 @@ describe("parser", () => { it("encodes deep binary JSON with null values", (done) => { const packet = { - type: PacketType.BINARY_EVENT, + type: PacketType.EVENT, data: ["a", { a: "b", c: 4, e: { g: null }, h: new ArrayBuffer(9) }], nsp: "/", id: 600, @@ -56,7 +56,7 @@ describe("parser", () => { it("cleans itself up on close", () => { const packet = { - type: PacketType.BINARY_EVENT, + type: PacketType.EVENT, data: ["a", new ArrayBuffer(2), new ArrayBuffer(3)], id: 0, nsp: "/", diff --git a/test/blob.js b/test/blob.js index 559d7ef..cf0717a 100644 --- a/test/blob.js +++ b/test/blob.js @@ -24,7 +24,7 @@ describe("parser", () => { } const packet = { - type: PacketType.BINARY_EVENT, + type: PacketType.EVENT, data: ["a", data], id: 0, nsp: "/", @@ -43,7 +43,7 @@ describe("parser", () => { } const packet = { - type: PacketType.BINARY_EVENT, + type: PacketType.EVENT, data: ["a", { a: "hi", b: { why: data }, c: "bye" }], id: 999, nsp: "/deep", @@ -62,7 +62,7 @@ describe("parser", () => { } const packet = { - type: PacketType.BINARY_ACK, + type: PacketType.ACK, data: [{ a: "hi ack", b: { why: data }, c: "bye ack" }], id: 999, nsp: "/deep", diff --git a/test/buffer.js b/test/buffer.js index d5ebc23..af8e1ba 100644 --- a/test/buffer.js +++ b/test/buffer.js @@ -5,7 +5,7 @@ describe("parser", () => { it("encodes a Buffer", (done) => { helpers.test_bin( { - type: PacketType.BINARY_EVENT, + type: PacketType.EVENT, data: ["a", Buffer.from("abc", "utf8")], id: 23, nsp: "/cool", @@ -17,7 +17,7 @@ describe("parser", () => { it("encodes a binary ack with Buffer", (done) => { helpers.test_bin( { - type: PacketType.BINARY_ACK, + type: PacketType.ACK, data: ["a", Buffer.from("xxx", "utf8"), {}], id: 127, nsp: "/back", diff --git a/tsconfig.json b/tsconfig.json index bcd6128..87d51bf 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -4,8 +4,7 @@ "allowJs": false, "target": "es2017", "module": "commonjs", - "declaration": true, - "esModuleInterop": true + "declaration": true }, "include": [ "./lib/**/*" From 58b3d09f1c5ca44e7c028640e3ed08176cf1a813 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Thu, 15 Oct 2020 01:48:27 +0200 Subject: [PATCH 26/42] chore: protocol version 5 There are two differences with the 4th version: - a CONNECT packet can now contain a payload (for authentication purposes) - the underlying Engine.IO protocol has been updated Reference: https://github.com/socketio/engine.io-protocol#difference-between-v3-and-v4 --- lib/index.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/index.ts b/lib/index.ts index cc6e69d..0ab3396 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -10,7 +10,7 @@ const debug = require("debug")("socket.io-parser"); * @public */ -export const protocol: number = 4; +export const protocol: number = 5; export enum PacketType { CONNECT, From 64b66482368e38382ea93409b95b4af299c45a5e Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Thu, 15 Oct 2020 10:24:47 +0200 Subject: [PATCH 27/42] chore(release): 4.0.1-rc2 Diff: https://github.com/socketio/socket.io-parser/compare/4.0.1-rc1...4.0.1-rc2 --- CHANGELOG.md | 9 ++++ package-lock.json | 105 ++++------------------------------------------ package.json | 2 +- 3 files changed, 17 insertions(+), 99 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 35cceb9..f1e159e 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,12 @@ +## [4.0.1-rc2](https://github.com/socketio/socket.io-parser/compare/4.0.1-rc1...4.0.1-rc2) (2020-10-15) + + +### Features + +* move binary detection back to the parser ([285e7cd](https://github.com/socketio/socket.io-parser/commit/285e7cd0d837adfc911c999e7294788681226ae1)) + + + ## [4.0.1-rc1](https://github.com/socketio/socket.io-parser/compare/4.0.0...4.0.1-rc1) (2020-10-12) diff --git a/package-lock.json b/package-lock.json index 34439a6..ae20a20 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.1-rc1", + "version": "4.0.1-rc2", "lockfileVersion": 1, "requires": true, "dependencies": { @@ -1045,12 +1045,6 @@ "zip-stream": "~0.2.0" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "lodash": { "version": "2.4.2", "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz", @@ -1399,12 +1393,6 @@ "readable-stream": "~1.0.26" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "readable-stream": { "version": "1.0.34", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz", @@ -1651,12 +1639,6 @@ "path-is-absolute": "^1.0.0" } }, - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "shell-quote": { "version": "1.7.2", "resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.7.2.tgz", @@ -2091,12 +2073,6 @@ "readable-stream": "~1.0.26" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "readable-stream": { "version": "1.0.34", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz", @@ -2333,12 +2309,6 @@ "readable-stream": "~1.0.24" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "readable-stream": { "version": "1.0.34", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz", @@ -2484,12 +2454,6 @@ "touch": "0.0.3" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "q": { "version": "1.5.1", "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz", @@ -3997,6 +3961,12 @@ "integrity": "sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==", "dev": true }, + "isarray": { + "version": "0.0.1", + "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", + "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", + "dev": true + }, "isbinaryfile": { "version": "0.1.9", "resolved": "https://registry.npmjs.org/isbinaryfile/-/isbinaryfile-0.1.9.tgz", @@ -4281,12 +4251,6 @@ "safer-buffer": ">= 2.1.2 < 3" } }, - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "istanbul": { "version": "0.4.5", "resolved": "https://registry.npmjs.org/istanbul/-/istanbul-0.4.5.tgz", @@ -4668,12 +4632,6 @@ "readable-stream": "~1.0.2" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "readable-stream": { "version": "1.0.34", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz", @@ -4757,7 +4715,6 @@ "dependencies": { "form-data": { "version": "0.0.3", - "bundled": true, "dev": true, "requires": { "async": "~0.1.9", @@ -4767,12 +4724,10 @@ "dependencies": { "async": { "version": "0.1.9", - "bundled": true, "dev": true }, "combined-stream": { "version": "0.0.3", - "bundled": true, "dev": true, "requires": { "delayed-stream": "0.0.5" @@ -4780,7 +4735,6 @@ "dependencies": { "delayed-stream": { "version": "0.0.5", - "bundled": true, "dev": true } } @@ -4789,7 +4743,6 @@ }, "mime": { "version": "1.2.7", - "bundled": true, "dev": true } } @@ -5244,12 +5197,6 @@ "stream-counter": "~0.2.0" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "readable-stream": { "version": "1.1.14", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz", @@ -7048,14 +6995,6 @@ "foreach-shim": "~0.1.1", "isarray": "0.0.1", "source-map-cjs": "~0.1.31" - }, - "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - } } }, "stacktrace-js": { @@ -7119,12 +7058,6 @@ "readable-stream": "~1.1.8" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "readable-stream": { "version": "1.1.14", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz", @@ -7283,12 +7216,6 @@ "readable-stream": "~1.1.11" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "minimist": { "version": "0.2.1", "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.2.1.tgz", @@ -7332,12 +7259,6 @@ "xtend": "^4.0.0" }, "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "readable-stream": { "version": "1.0.34", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz", @@ -7946,12 +7867,6 @@ "natives": "^1.1.3" } }, - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "lodash": { "version": "2.4.2", "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz", @@ -8152,12 +8067,6 @@ "integrity": "sha1-BuHqgILCyxTjmAbiLi9vdX+Srzk=", "dev": true }, - "isarray": { - "version": "0.0.1", - "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, "readable-stream": { "version": "1.0.34", "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz", diff --git a/package.json b/package.json index 33babcf..31dd3cf 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.1-rc1", + "version": "4.0.1-rc2", "description": "socket.io protocol parser", "repository": { "type": "git", From e3d272f542e185dd9d0b8090ff714d259636e24c Mon Sep 17 00:00:00 2001 From: Aleksey Druzhinin Date: Thu, 22 Oct 2020 02:28:36 +0500 Subject: [PATCH 28/42] docs: fix small typo (#98) --- Readme.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Readme.md b/Readme.md index 2ca7633..1f6d47d 100644 --- a/Readme.md +++ b/Readme.md @@ -48,7 +48,7 @@ var parser = require('socket.io-parser'); var encoder = new parser.Encoder(); var packet = { type: parser.BINARY_EVENT, - data: {i: new Buffer(1234), j: new Blob([new ArrayBuffer(2)])} + data: {i: new Buffer(1234), j: new Blob([new ArrayBuffer(2)])}, id: 15 }; encoder.encode(packet, function(encodedPackets) { From db1d27432d2e939be24aecba422960e21e7438f4 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Sun, 25 Oct 2020 22:57:26 +0100 Subject: [PATCH 29/42] refactor: rename ERROR to CONNECT_ERROR The meaning is not modified: this packet type is still used by the server when the connection to a namespace is refused. But I feel the name makes more sense: ```js socket.on("connect", () => {}); socket.on("connect_error", () => {}); // instead of socket.on("error", () => {}); ``` --- lib/index.ts | 6 +++--- test/parser.js | 19 ++++++++++++++++--- 2 files changed, 19 insertions(+), 6 deletions(-) diff --git a/lib/index.ts b/lib/index.ts index 0ab3396..587dd54 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -17,7 +17,7 @@ export enum PacketType { DISCONNECT, EVENT, ACK, - ERROR, + CONNECT_ERROR, BINARY_EVENT, BINARY_ACK, } @@ -241,8 +241,8 @@ export class Decoder extends Emitter { return typeof payload === "object"; case PacketType.DISCONNECT: return payload === undefined; - case PacketType.ERROR: - return typeof payload === "string"; + case PacketType.CONNECT_ERROR: + return typeof payload === "string" || typeof payload === "object"; case PacketType.EVENT: case PacketType.BINARY_EVENT: return Array.isArray(payload) && typeof payload[0] === "string"; diff --git a/test/parser.js b/test/parser.js index 34d5002..0554d93 100644 --- a/test/parser.js +++ b/test/parser.js @@ -8,7 +8,7 @@ describe("parser", () => { expect(PacketType.DISCONNECT).to.be.a("number"); expect(PacketType.EVENT).to.be.a("number"); expect(PacketType.ACK).to.be.a("number"); - expect(PacketType.ERROR).to.be.a("number"); + expect(PacketType.CONNECT_ERROR).to.be.a("number"); expect(PacketType.BINARY_EVENT).to.be.a("number"); expect(PacketType.BINARY_ACK).to.be.a("number"); }); @@ -71,10 +71,10 @@ describe("parser", () => { ); }); - it("encodes an error", (done) => { + it("encodes an connect error", (done) => { helpers.test( { - type: PacketType.ERROR, + type: PacketType.CONNECT_ERROR, data: "Unauthorized", nsp: "/", }, @@ -82,6 +82,19 @@ describe("parser", () => { ); }); + it("encodes an connect error (with object)", (done) => { + helpers.test( + { + type: PacketType.CONNECT_ERROR, + data: { + message: "Unauthorized", + }, + nsp: "/", + }, + done + ); + }); + it("throws an error when encoding circular objects", () => { const a = {}; a.b = a; From 412769fd18bd1a91258d3565701c9274399a3318 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Mon, 26 Oct 2020 00:16:09 +0100 Subject: [PATCH 30/42] chore(release): 4.0.1-rc3 Diff: https://github.com/socketio/socket.io-parser/compare/4.0.1-rc2...4.0.1-rc3 --- CHANGELOG.md | 4 ++++ package-lock.json | 2 +- package.json | 2 +- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index f1e159e..d5a7008 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,7 @@ +## [4.0.1-rc3](https://github.com/socketio/socket.io-parser/compare/4.0.1-rc2...4.0.1-rc3) (2020-10-25) + + + ## [4.0.1-rc2](https://github.com/socketio/socket.io-parser/compare/4.0.1-rc1...4.0.1-rc2) (2020-10-15) diff --git a/package-lock.json b/package-lock.json index ae20a20..675bd5c 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.1-rc2", + "version": "4.0.1-rc3", "lockfileVersion": 1, "requires": true, "dependencies": { diff --git a/package.json b/package.json index 31dd3cf..86a679c 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.1-rc2", + "version": "4.0.1-rc3", "description": "socket.io protocol parser", "repository": { "type": "git", From e33932365443b8203198ad7cc2af5f856a63600e Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Thu, 5 Nov 2020 16:07:35 +0100 Subject: [PATCH 31/42] chore(release): 4.0.1 Diff: https://github.com/socketio/socket.io-parser/compare/3.4.1...4.0.1 --- CHANGELOG.md | 18 ++++++++++++++++++ package-lock.json | 2 +- package.json | 2 +- 3 files changed, 20 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index d5a7008..53da4a4 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,21 @@ +## [4.0.1](https://github.com/socketio/socket.io-parser/compare/3.4.1...4.0.1) (2020-11-05) + +### Features + +* move binary detection back to the parser ([285e7cd](https://github.com/socketio/socket.io-parser/commit/285e7cd0d837adfc911c999e7294788681226ae1)) +* add support for a payload in a CONNECT packet ([78f9fc2](https://github.com/socketio/socket.io-parser/commit/78f9fc2999b15804b02f2c22a2b4007734a26af9)) + +### Bug Fixes + +* do not catch encoding errors ([aeae87c](https://github.com/socketio/socket.io-parser/commit/aeae87c220287197cb78370dbd86b950a7dd29eb)) +* throw upon invalid payload format ([c327acb](https://github.com/socketio/socket.io-parser/commit/c327acbc3c3c2d0b2b439136cbcb56c81db173d6)) + +### BREAKING CHANGES + +* the encode method is now synchronous ([28d4f03](https://github.com/socketio/socket.io-parser/commit/28d4f0309bdd9e306b78d1946d3e1760941d6544)) + + + ## [4.0.1-rc3](https://github.com/socketio/socket.io-parser/compare/4.0.1-rc2...4.0.1-rc3) (2020-10-25) diff --git a/package-lock.json b/package-lock.json index 675bd5c..3ad3b91 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.1-rc3", + "version": "4.0.1", "lockfileVersion": 1, "requires": true, "dependencies": { diff --git a/package.json b/package.json index 86a679c..d5b73a8 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.1-rc3", + "version": "4.0.1", "description": "socket.io protocol parser", "repository": { "type": "git", From c04443375f8db9b573585563197b4f6712ebb9a3 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Thu, 5 Nov 2020 16:15:25 +0100 Subject: [PATCH 32/42] docs: add compatibility table --- Readme.md | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/Readme.md b/Readme.md index 1f6d47d..458a76b 100644 --- a/Readme.md +++ b/Readme.md @@ -4,11 +4,19 @@ [![Build Status](https://secure.travis-ci.org/socketio/socket.io-parser.svg?branch=master)](http://travis-ci.org/socketio/socket.io-parser) [![NPM version](https://badge.fury.io/js/socket.io-parser.svg)](http://badge.fury.io/js/socket.io-parser) -A socket.io encoder and decoder written in JavaScript complying with version `4` +A socket.io encoder and decoder written in JavaScript complying with version `5` of [socket.io-protocol](https://github.com/socketio/socket.io-protocol). Used by [socket.io](https://github.com/automattic/socket.io) and [socket.io-client](https://github.com/automattic/socket.io-client). +Compatibility table: + +| Parser version | Socket.IO server version | Protocol revision | +|----------------| ------------------------ | ----------------- | +| 3.x | 1.x / 2.x | 4 | +| 4.x | 3.x | 5 | + + ## Parser API socket.io-parser is the reference implementation of socket.io-protocol. Read From 4efa005846ae15ecc7fb0a7f27141439113b1179 Mon Sep 17 00:00:00 2001 From: Pascal Sthamer Date: Wed, 25 Nov 2020 10:51:40 +0100 Subject: [PATCH 33/42] fix: move @types/component-emitter to dependencies (#99) Otherwise consumers of socket.io-parser (and socket.io) need to have it listed in their devDependencies. --- package-lock.json | 3 +-- package.json | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/package-lock.json b/package-lock.json index 3ad3b91..27d224e 100644 --- a/package-lock.json +++ b/package-lock.json @@ -911,8 +911,7 @@ "@types/component-emitter": { "version": "1.2.10", "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.10.tgz", - "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg==", - "dev": true + "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg==" }, "@types/debug": { "version": "4.1.5", diff --git a/package.json b/package.json index d5b73a8..b48939d 100644 --- a/package.json +++ b/package.json @@ -13,12 +13,12 @@ "types": "./dist/index.d.ts", "dependencies": { "component-emitter": "~1.3.0", + "@types/component-emitter": "^1.2.10", "debug": "~4.1.0" }, "devDependencies": { "@babel/core": "~7.9.6", "@babel/preset-env": "~7.9.6", - "@types/component-emitter": "^1.2.10", "@types/debug": "^4.1.5", "@types/node": "^14.11.1", "babelify": "~10.0.0", From 66973a340cc44f5cbfc8931dd0df63af27a115f2 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 25 Nov 2020 10:59:02 +0100 Subject: [PATCH 34/42] chore: cleanup dist folder before compilation --- package-lock.json | 78 +++++++++++++++++++++++++++++++++++++++++++---- package.json | 6 ++-- 2 files changed, 76 insertions(+), 8 deletions(-) diff --git a/package-lock.json b/package-lock.json index 27d224e..88df5a3 100644 --- a/package-lock.json +++ b/package-lock.json @@ -3003,6 +3003,12 @@ "lru-cache": "2", "sigmund": "~1.0.0" } + }, + "rimraf": { + "version": "2.2.8", + "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.2.8.tgz", + "integrity": "sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI=", + "dev": true } } }, @@ -3284,6 +3290,12 @@ "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.5.tgz", "integrity": "sha1-3j5fiWHIjHh+4TaN+EmsRBPsqNc=", "dev": true + }, + "rimraf": { + "version": "2.2.8", + "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.2.8.tgz", + "integrity": "sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI=", + "dev": true } } }, @@ -3314,6 +3326,31 @@ "inherits": "~2.0.0", "mkdirp": ">=0.5 0", "rimraf": "2" + }, + "dependencies": { + "glob": { + "version": "7.1.6", + "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz", + "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==", + "dev": true, + "requires": { + "fs.realpath": "^1.0.0", + "inflight": "^1.0.4", + "inherits": "2", + "minimatch": "^3.0.4", + "once": "^1.3.0", + "path-is-absolute": "^1.0.0" + } + }, + "rimraf": { + "version": "2.7.1", + "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz", + "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==", + "dev": true, + "requires": { + "glob": "^7.1.3" + } + } } }, "function-bind": { @@ -4714,19 +4751,25 @@ "dependencies": { "form-data": { "version": "0.0.3", + "resolved": "https://registry.npmjs.org/form-data/-/form-data-0.0.3.tgz", + "integrity": "sha1-buoXtFeQtC13mh1YHRs2AP4MfA0=", "dev": true, "requires": { - "async": "~0.1.9", + "async": "0.1.9", "combined-stream": "0.0.3", - "mime": "~1.2.2" + "mime": "1.2.2" }, "dependencies": { "async": { "version": "0.1.9", + "resolved": "https://registry.npmjs.org/async/-/async-0.1.9.tgz", + "integrity": "sha1-+YTQc5tTgslJzDvqcC0h0NvVIEA=", "dev": true }, "combined-stream": { "version": "0.0.3", + "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-0.0.3.tgz", + "integrity": "sha1-odYiPEY6AAshyZN8SxXvQboAH3g=", "dev": true, "requires": { "delayed-stream": "0.0.5" @@ -4734,6 +4777,8 @@ "dependencies": { "delayed-stream": { "version": "0.0.5", + "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-0.0.5.tgz", + "integrity": "sha1-1LH0OpPoKW3+AmlPRoC8N6MTxz8=", "dev": true } } @@ -4742,6 +4787,8 @@ }, "mime": { "version": "1.2.7", + "resolved": "https://registry.npmjs.org/mime/-/mime-1.2.7.tgz", + "integrity": "sha1-x6E/M6cHPZkA8ohDawazoWIAhls=", "dev": true } } @@ -6492,10 +6539,29 @@ "dev": true }, "rimraf": { - "version": "2.2.8", - "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.2.8.tgz", - "integrity": "sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI=", - "dev": true + "version": "3.0.2", + "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz", + "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==", + "dev": true, + "requires": { + "glob": "^7.1.3" + }, + "dependencies": { + "glob": { + "version": "7.1.6", + "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz", + "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==", + "dev": true, + "requires": { + "fs.realpath": "^1.0.0", + "inflight": "^1.0.4", + "inherits": "2", + "minimatch": "^3.0.4", + "once": "^1.3.0", + "path-is-absolute": "^1.0.0" + } + } + } }, "ripemd160": { "version": "2.0.2", diff --git a/package.json b/package.json index b48939d..849a142 100644 --- a/package.json +++ b/package.json @@ -26,18 +26,20 @@ "expect.js": "0.3.1", "mocha": "3.2.0", "prettier": "^2.1.2", + "rimraf": "^3.0.2", "socket.io-browsers": "^1.0.0", "typescript": "^4.0.3", "zuul": "3.11.1", "zuul-ngrok": "4.0.0" }, "scripts": { - "test": "npm run format:check && tsc && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", + "compile": "rimraf ./dist && tsc", + "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", "test:node": "mocha --reporter dot --bail test/index.js", "test:browser": "zuul test/index.js --no-coverage", "format:fix": "prettier --write --parser typescript 'lib/**/*.ts' 'test/**/*.js'", "format:check": "prettier --check --parser typescript 'lib/**/*.ts' 'test/**/*.js'", - "prepack": "tsc" + "prepack": "npm run compile" }, "license": "MIT", "engines": { From f2098b031d5191f10ec8b66e3c659b702302d577 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 25 Nov 2020 11:00:16 +0100 Subject: [PATCH 35/42] chore(release): 4.0.2 Diff: https://github.com/socketio/socket.io-parser/compare/4.0.1...4.0.2 --- CHANGELOG.md | 8 ++++++++ package-lock.json | 2 +- package.json | 2 +- 3 files changed, 10 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 53da4a4..4033b30 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,11 @@ +## [4.0.2](https://github.com/socketio/socket.io-parser/compare/4.0.1...4.0.2) (2020-11-25) + + +### Bug Fixes + +* move @types/component-emitter to dependencies ([#99](https://github.com/socketio/socket.io-parser/issues/99)) ([4efa005](https://github.com/socketio/socket.io-parser/commit/4efa005846ae15ecc7fb0a7f27141439113b1179)) + + ## [4.0.1](https://github.com/socketio/socket.io-parser/compare/3.4.1...4.0.1) (2020-11-05) ### Features diff --git a/package-lock.json b/package-lock.json index 88df5a3..041af0c 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.1", + "version": "4.0.2", "lockfileVersion": 1, "requires": true, "dependencies": { diff --git a/package.json b/package.json index 849a142..e9109f9 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.1", + "version": "4.0.2", "description": "socket.io protocol parser", "repository": { "type": "git", From 7c380d38ebdd7fa3984aff34bea3eac94f8c3089 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 5 Jan 2021 11:00:39 +0100 Subject: [PATCH 36/42] chore: bump debug version --- package-lock.json | 14 ++++++++++---- package.json | 4 ++-- 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/package-lock.json b/package-lock.json index 041af0c..1af841f 100644 --- a/package-lock.json +++ b/package-lock.json @@ -2425,11 +2425,11 @@ } }, "debug": { - "version": "4.1.1", - "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz", - "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==", + "version": "4.3.1", + "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz", + "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==", "requires": { - "ms": "^2.1.1" + "ms": "2.1.2" } }, "decode-uri-component": { @@ -4782,6 +4782,12 @@ "dev": true } } + }, + "mime": { + "version": "1.2.2", + "resolved": "https://registry.npmjs.org/mime/-/mime-1.2.2.tgz", + "integrity": "sha1-udY1W/U+jX1WaTEw5FHa/zQBSM8=", + "dev": true } } }, diff --git a/package.json b/package.json index e9109f9..482ae47 100644 --- a/package.json +++ b/package.json @@ -12,9 +12,9 @@ "main": "./dist/index.js", "types": "./dist/index.d.ts", "dependencies": { - "component-emitter": "~1.3.0", "@types/component-emitter": "^1.2.10", - "debug": "~4.1.0" + "component-emitter": "~1.3.0", + "debug": "~4.3.1" }, "devDependencies": { "@babel/core": "~7.9.6", From b076dbb72280f38fd1378690d85ef08445277a9f Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 5 Jan 2021 11:03:30 +0100 Subject: [PATCH 37/42] ci: migrate to GitHub Actions Due to the recent changes to the Travis CI platform (see [1]), we will now use GitHub Actions to run the tests. Reference: https://docs.github.com/en/free-pro-team@latest/actions/guides/building-and-testing-nodejs [1]: https://blog.travis-ci.com/2020-11-02-travis-ci-new-billing --- .github/workflows/ci.yml | 45 ++++++++++++++++++++++++++++++++++++++++ .travis.yml | 20 ------------------ Readme.md | 2 +- 3 files changed, 46 insertions(+), 21 deletions(-) create mode 100644 .github/workflows/ci.yml delete mode 100644 .travis.yml diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml new file mode 100644 index 0000000..a3a62a1 --- /dev/null +++ b/.github/workflows/ci.yml @@ -0,0 +1,45 @@ +name: CI + +on: + push: + pull_request: + schedule: + - cron: '0 0 * * 0' + +jobs: + test-node: + runs-on: ubuntu-latest + + strategy: + matrix: + node-version: [10.x, 12.x, 14.x] + + steps: + - uses: actions/checkout@v2 + - name: Use Node.js ${{ matrix.node-version }} + uses: actions/setup-node@v1 + with: + node-version: ${{ matrix.node-version }} + - run: npm ci + - run: npm test + env: + CI: true + + test-browser: + runs-on: ubuntu-latest + + steps: + - uses: actions/checkout@v2 + - name: Use Node.js + uses: actions/setup-node@v1 + with: + node-version: '10.x' + - run: npm ci + - run: npm test + env: + CI: true + BROWSERS: 1 + NGROK_AUTH_TOKEN: ${{ secrets.NGROK_AUTH_TOKEN }} + SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }} + SAUCE_ACCESS_KEY: ${{ secrets.SAUCE_ACCESS_KEY }} + timeout-minutes: 20 diff --git a/.travis.yml b/.travis.yml deleted file mode 100644 index 7d1d119..0000000 --- a/.travis.yml +++ /dev/null @@ -1,20 +0,0 @@ -language: node_js -sudo: false -node_js: - - '10' - - '12' - - '14' -git: - depth: 1 -matrix: - include: - - node_js: 10 - env: BROWSERS=1 -env: - global: - - secure: >- - Ea4P/R9UlWzDlHSP5ynmLiD/YgLjecIvCviOcRTle9mV3P1j2k94Ay1LVu1Jw4whlNmWLq2Z/p8M63L92ODPMlarPsuME8HlP4zGr41whFhRbFdda4k3zrHfUhZBlnhY1MVWXTtVm/l7DOzpBrNh+wKecxZB3yyyEaA+PSG3qcQ= - - secure: >- - JmPf38qx5Rb6K+WYOMwb5YmESkDmVJ6tgggiJIuyRfHsgQVOO7XBwZuspIKGTSFolUIMaqwQe79Kd+Ehs2ZZ/0lUyF2/6xW3FqFnASUusYJcZdfRjypmBFWs6BRdtEORM8HL0dgBx4O4u/e4ZvtygumbPahjQbMDaqN+MvlpjD0= - - secure: >- - c3pnLhy3VDJqMl16ABA+8vt3I623aNa2wkLceLXb2V1Dc6eiZeulDH2ekwmdVo/r2WwGIKP3Y6B0mq/xP4W0hg4uT+xWh0AmFHclVyM/yp/AqfXrDUv17Vm0vB7OIgp332OiAlK6Dr13YDbWW8iZxmID41O2+2qohLGPn5JMncg= diff --git a/Readme.md b/Readme.md index 458a76b..e4f6a8a 100644 --- a/Readme.md +++ b/Readme.md @@ -1,7 +1,7 @@ # socket.io-parser -[![Build Status](https://secure.travis-ci.org/socketio/socket.io-parser.svg?branch=master)](http://travis-ci.org/socketio/socket.io-parser) +[![Build Status](https://github.com/socketio/socket.io-parser/workflows/CI/badge.svg)](https://github.com/socketio/socket.io-parser/actions) [![NPM version](https://badge.fury.io/js/socket.io-parser.svg)](http://badge.fury.io/js/socket.io-parser) A socket.io encoder and decoder written in JavaScript complying with version `5` From 444520d6cdc78b1abbe3bd684dc3723b5e22d196 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Tue, 5 Jan 2021 11:26:13 +0100 Subject: [PATCH 38/42] chore(release): 4.0.3 Diff: https://github.com/socketio/socket.io-parser/compare/4.0.2...4.0.3 --- CHANGELOG.md | 3 +++ package-lock.json | 2 +- package.json | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 4033b30..1dae8dd 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## [4.0.3](https://github.com/socketio/socket.io-parser/compare/4.0.2...4.0.3) (2021-01-05) + + ## [4.0.2](https://github.com/socketio/socket.io-parser/compare/4.0.1...4.0.2) (2020-11-25) diff --git a/package-lock.json b/package-lock.json index 1af841f..3a2f1ce 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.2", + "version": "4.0.3", "lockfileVersion": 1, "requires": true, "dependencies": { diff --git a/package.json b/package.json index 482ae47..646bf45 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.2", + "version": "4.0.3", "description": "socket.io protocol parser", "repository": { "type": "git", From 1c220ddbf45ea4b44bc8dbf6f9ae245f672ba1b9 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Fri, 15 Jan 2021 01:38:03 +0100 Subject: [PATCH 39/42] fix: allow integers as event names This commit restores the possibility to use integers as event names, which was possible in Socket.IO v2. --- lib/index.ts | 2 +- test/parser.js | 11 +++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/lib/index.ts b/lib/index.ts index 587dd54..636df23 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -245,7 +245,7 @@ export class Decoder extends Emitter { return typeof payload === "string" || typeof payload === "object"; case PacketType.EVENT: case PacketType.BINARY_EVENT: - return Array.isArray(payload) && typeof payload[0] === "string"; + return Array.isArray(payload) && payload.length > 0; case PacketType.ACK: case PacketType.BINARY_ACK: return Array.isArray(payload); diff --git a/test/parser.js b/test/parser.js index 0554d93..426e77c 100644 --- a/test/parser.js +++ b/test/parser.js @@ -47,6 +47,17 @@ describe("parser", () => { ); }); + it("encodes an event (with an integer as event name)", (done) => { + helpers.test( + { + type: PacketType.EVENT, + data: [1, "a", {}], + nsp: "/", + }, + done + ); + }); + it("encodes an event (with ack)", (done) => { helpers.test( { From af1b23ca85fb64a0d7a050abd0362c5f632ce429 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Fri, 15 Jan 2021 01:45:17 +0100 Subject: [PATCH 40/42] chore(release): 4.0.4 Diff: https://github.com/socketio/socket.io-parser/compare/4.0.3...4.0.4 --- CHANGELOG.md | 8 ++++++++ package-lock.json | 2 +- package.json | 2 +- 3 files changed, 10 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 1dae8dd..11984ac 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,11 @@ +## [4.0.4](https://github.com/socketio/socket.io-parser/compare/4.0.3...4.0.4) (2021-01-15) + + +### Bug Fixes + +* allow integers as event names ([1c220dd](https://github.com/socketio/socket.io-parser/commit/1c220ddbf45ea4b44bc8dbf6f9ae245f672ba1b9)) + + ## [4.0.3](https://github.com/socketio/socket.io-parser/compare/4.0.2...4.0.3) (2021-01-05) diff --git a/package-lock.json b/package-lock.json index 3a2f1ce..fa41f9d 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.3", + "version": "4.0.4", "lockfileVersion": 1, "requires": true, "dependencies": { diff --git a/package.json b/package.json index 646bf45..f15f403 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.3", + "version": "4.0.4", "description": "socket.io protocol parser", "repository": { "type": "git", From b559f050ee02bd90bd853b9823f8de7fa94a80d4 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Mon, 27 Jun 2022 15:35:31 +0200 Subject: [PATCH 41/42] fix: check the format of the index of each attachment A specially crafted packet could be incorrectly decoded. Example: ```js const decoder = new Decoder(); decoder.on("decoded", (packet) => { console.log(packet.data); // prints [ 'hello', [Function: splice] ] }) decoder.add('51-["hello",{"_placeholder":true,"num":"splice"}]'); decoder.add(Buffer.from("world")); ``` As usual, please remember not to trust user input. Backported from https://github.com/socketio/socket.io-parser/commit/b5d0cb7dc56a0601a09b056beaeeb0e43b160050 --- lib/binary.ts | 12 ++++++++++-- lib/index.ts | 3 +++ test/buffer.js | 50 +++++++++++++++++++++++++++++++++++++++++++++++++- test/parser.js | 4 ++++ 4 files changed, 66 insertions(+), 3 deletions(-) diff --git a/lib/binary.ts b/lib/binary.ts index 89956c2..da8de0d 100644 --- a/lib/binary.ts +++ b/lib/binary.ts @@ -60,8 +60,16 @@ export function reconstructPacket(packet, buffers) { function _reconstructPacket(data, buffers) { if (!data) return data; - if (data && data._placeholder) { - return buffers[data.num]; // appropriate buffer (should be natural order anyway) + if (data && data._placeholder === true) { + const isIndexValid = + typeof data.num === "number" && + data.num >= 0 && + data.num < buffers.length; + if (isIndexValid) { + return buffers[data.num]; // appropriate buffer (should be natural order anyway) + } else { + throw new Error("illegal attachments"); + } } else if (Array.isArray(data)) { for (let i = 0; i < data.length; i++) { data[i] = _reconstructPacket(data[i], buffers); diff --git a/lib/index.ts b/lib/index.ts index 636df23..93a1421 100644 --- a/lib/index.ts +++ b/lib/index.ts @@ -129,6 +129,9 @@ export class Decoder extends Emitter { public add(obj: any) { let packet; if (typeof obj === "string") { + if (this.reconstructor) { + throw new Error("got plaintext data when reconstructing a packet"); + } packet = this.decodeString(obj); if ( packet.type === PacketType.BINARY_EVENT || diff --git a/test/buffer.js b/test/buffer.js index af8e1ba..367ebcd 100644 --- a/test/buffer.js +++ b/test/buffer.js @@ -1,5 +1,6 @@ -const { PacketType } = require(".."); +const { PacketType, Decoder } = require("../"); const helpers = require("./helpers.js"); +const expect = require("expect.js"); describe("parser", () => { it("encodes a Buffer", (done) => { @@ -14,6 +15,18 @@ describe("parser", () => { ); }); + it("encodes a nested Buffer", (done) => { + helpers.test_bin( + { + type: PacketType.EVENT, + data: ["a", { b: ["c", Buffer.from("abc", "utf8")] }], + id: 23, + nsp: "/cool", + }, + done + ); + }); + it("encodes a binary ack with Buffer", (done) => { helpers.test_bin( { @@ -25,4 +38,39 @@ describe("parser", () => { done ); }); + + it("throws an error when adding an attachment with an invalid 'num' attribute (string)", () => { + const decoder = new Decoder(); + + expect(() => { + decoder.add('51-["hello",{"_placeholder":true,"num":"splice"}]'); + decoder.add(Buffer.from("world")); + }).to.throwException(/^illegal attachments$/); + }); + + it("throws an error when adding an attachment with an invalid 'num' attribute (out-of-bound)", () => { + const decoder = new Decoder(); + + expect(() => { + decoder.add('51-["hello",{"_placeholder":true,"num":1}]'); + decoder.add(Buffer.from("world")); + }).to.throwException(/^illegal attachments$/); + }); + + it("throws an error when adding an attachment without header", () => { + const decoder = new Decoder(); + + expect(() => { + decoder.add(Buffer.from("world")); + }).to.throwException(/^got binary data when not reconstructing a packet$/); + }); + + it("throws an error when decoding a binary event without attachments", () => { + const decoder = new Decoder(); + + expect(() => { + decoder.add('51-["hello",{"_placeholder":true,"num":0}]'); + decoder.add('2["hello"]'); + }).to.throwException(/^got plaintext data when reconstructing a packet$/); + }); }); diff --git a/test/parser.js b/test/parser.js index 426e77c..4fdd938 100644 --- a/test/parser.js +++ b/test/parser.js @@ -146,5 +146,9 @@ describe("parser", () => { expect(() => new Decoder().add("999")).to.throwException( /^unknown packet type 9$/ ); + + expect(() => new Decoder().add(999)).to.throwException( + /^Unknown type: 999$/ + ); }); }); From f3329eb5a46b215a3fdf91b6008c56cf177a4124 Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Mon, 27 Jun 2022 15:53:40 +0200 Subject: [PATCH 42/42] chore(release): 4.0.5 Diff: https://github.com/socketio/socket.io-parser/compare/4.0.4...4.0.5 --- CHANGELOG.md | 9 +++++++++ package.json | 2 +- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 11984ac..a191741 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,12 @@ +## [4.0.5](https://github.com/socketio/socket.io-parser/compare/4.0.4...4.0.5) (2022-06-27) + + +### Bug Fixes + +* check the format of the index of each attachment ([b559f05](https://github.com/socketio/socket.io-parser/commit/b559f050ee02bd90bd853b9823f8de7fa94a80d4)) + + + ## [4.0.4](https://github.com/socketio/socket.io-parser/compare/4.0.3...4.0.4) (2021-01-15) diff --git a/package.json b/package.json index f15f403..b51d5c6 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "socket.io-parser", - "version": "4.0.4", + "version": "4.0.5", "description": "socket.io protocol parser", "repository": { "type": "git",