From b6466fb9ba75e70fa0d62f83bc0200fce4c5435e Mon Sep 17 00:00:00 2001 From: Kevin Jahns Date: Tue, 10 Dec 2019 00:47:21 +0100 Subject: [PATCH] allow encryption and authorization over untrusted signaling server --- README.md | 15 +- bin/server.js | 18 +- index.html | 9 + package-lock.json | 2751 ++++++++++++++++++++++++++++++++++++++++++- package.json | 11 +- rollup.config.js | 9 + src/crypto.js | 95 ++ src/y-webrtc.js | 321 ++--- test/crypto.test.js | 33 + test/index.js | 18 + 10 files changed, 3122 insertions(+), 158 deletions(-) create mode 100644 index.html create mode 100644 src/crypto.js create mode 100644 test/crypto.test.js create mode 100644 test/index.js diff --git a/README.md b/README.md index f8e970c..fa2c6b5 100644 --- a/README.md +++ b/README.md @@ -3,7 +3,8 @@ It propagates document updates directly to all users via WebRTC. * Fast message propagation -* No setup required, a default signalling server is available +* Encryption and authorization over untrusted signaling server +* No setup required, public signaling servers are available * Very little server load * Not suited for a large amount of collaborators on a single document (each peer is connected to each other) @@ -23,23 +24,23 @@ import { WebrtcProvider } from '../src/y-webrtc.js' const ydoc = new Y.Doc() // clients connected to the same room-name share document updates -const provider = new WebrtcProvider('your-room-name', ydoc) +const provider = new WebrtcProvider('your-room-name', ydoc, { password: 'optional-room-password' }) const yarray = ydoc.get('array', Y.Array) ``` -##### Signalling +##### Signaling -The peers find each other by connecting to a signalling server. This package implements a small signalling server in `./bin/server.js`. +The peers find each other by connecting to a signaling server. This package implements a small signaling server in `./bin/server.js`. ```sh -# start signalling server +# start signaling server PORT=4444 node ./bin/server.js ``` -Peers using the same signalling server will find each other. You can specify several custom signalling servers like so: +Peers using the same signaling server will find each other. You can specify several custom signaling servers like so: ```js -const provider = new WebrtcProvider('your-room-name', ydoc, { signalling: ['wss://y-webrtc-ckynwnzncc.now.sh', 'ws://localhost:4444'] }) +const provider = new WebrtcProvider('your-room-name', ydoc, { signaling: ['wss://y-webrtc-ckynwnzncc.now.sh', 'ws://localhost:4444'] }) ``` ### Logging diff --git a/bin/server.js b/bin/server.js index 727620d..3bf93ca 100755 --- a/bin/server.js +++ b/bin/server.js @@ -106,15 +106,13 @@ const onconnection = conn => { }) break case 'publish': - if (message.topics) { - /** - * @type {Set} - */ - const receivers = new Set() - message.topics.forEach(/** @param {string} topicName */ topicName => { - (topics.get(topicName) || []).forEach(sub => receivers.add(sub)) - }) - receivers.forEach(receiver => send(receiver, message)) + if (message.topic) { + const receivers = topics.get(message.topic) + if (receivers) { + receivers.forEach(receiver => + send(receiver, message) + ) + } } break case 'ping': @@ -138,4 +136,4 @@ server.on('upgrade', (request, socket, head) => { server.listen(port) -console.log('Signalling server running on localhost:', port) +console.log('Signaling server running on localhost:', port) diff --git a/index.html b/index.html new file mode 100644 index 0000000..6a08529 --- /dev/null +++ b/index.html @@ -0,0 +1,9 @@ + + + + Testing y-webrtc + + + + + diff --git a/package-lock.json b/package-lock.json index 69d4305..3ab8a37 100644 --- a/package-lock.json +++ b/package-lock.json @@ -53,6 +53,16 @@ "@types/node": "*" } }, + "accepts": { + "version": "1.3.7", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz", + "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==", + "dev": true, + "requires": { + "mime-types": "~2.1.24", + "negotiator": "0.6.2" + } + }, "acorn": { "version": "6.1.1", "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz", @@ -101,6 +111,42 @@ "integrity": 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--entry-file=test.html' 'npm run watch'", "dist": "rm -rf dist && rollup -c", + "watch": "rollup -wc", "lint": "standard", "preversion": "npm run lint && npm run dist" }, "bin": { - "y-webrtc-signalling": "./bin/server.js" + "y-webrtc-signaling": "./bin/server.js" }, "files": [ "dist/*", @@ -40,9 +42,11 @@ }, "dependencies": { "simple-peer": "^9.6.2", - "lib0": "^0.1.5" + "lib0": "^0.1.6" }, "devDependencies": { + "concurrently": "^5.0.0", + "live-server": "^1.2.1", "rollup": "^1.27.8", "rollup-cli": "^1.0.9", "rollup-plugin-commonjs": "^10.1.0", @@ -50,8 +54,7 @@ "rollup-plugin-terser": "^5.1.2", "standard": "^12.0.1", "y-protocols": "^0.1.0", - "lib0": "^0.1.5", - "yjs": "13.0.0-102" + "yjs": "^13.0.0-102" }, "peerDependenies": { "yjs": ">=13.0.0-102" diff --git a/rollup.config.js b/rollup.config.js index 45966ce..62d342e 100644 --- a/rollup.config.js +++ b/rollup.config.js @@ -79,6 +79,15 @@ export default [ sourcemap: true }], plugins + }, { + input: './test/index.js', + output: [{ + name: 'test', + file: 'dist/test.js', + format: 'iife', + sourcemap: true + }], + plugins }, { input: './src/y-webrtc.js', external: id => /^(lib0|yjs|y-protocols|simple-peer)/.test(id), diff --git a/src/crypto.js b/src/crypto.js new file mode 100644 index 0000000..0cd3d9c --- /dev/null +++ b/src/crypto.js @@ -0,0 +1,95 @@ +/* eslint-env browser */ + +import * as encoding from 'lib0/encoding.js' +import * as decoding from 'lib0/decoding.js' +import * as buffer from 'lib0/buffer.js' +import * as promise from 'lib0/promise.js' +import * as error from 'lib0/error.js' +import * as string from 'lib0/string.js' + +/** + * @param {string} secret + * @param {string} roomName + * @return {PromiseLike} + */ +export const deriveKey = (secret, roomName) => { + const secretBuffer = string.encodeUtf8(secret).buffer + const salt = string.encodeUtf8(roomName).buffer + return crypto.subtle.importKey( + 'raw', + secretBuffer, + 'PBKDF2', + false, + ['deriveKey'] + ).then(keyMaterial => + crypto.subtle.deriveKey( + { + name: 'PBKDF2', + salt, + iterations: 100000, + hash: 'SHA-256' + }, + keyMaterial, + { + name: 'AES-GCM', + length: 256 + }, + true, + [ 'encrypt', 'decrypt' ] + ) + ) +} + +/** + * @param {any} data A json object to be encrypted + * @param {CryptoKey} key + * @return {PromiseLike} encrypted, base64 encoded message + */ +export const encrypt = (data, key) => { + const iv = crypto.getRandomValues(new Uint8Array(12)) + const dataEncoder = encoding.createEncoder() + encoding.writeAny(dataEncoder, data) + const dataBuffer = encoding.toUint8Array(dataEncoder) + return crypto.subtle.encrypt( + { + name: 'AES-GCM', + iv + }, + key, + dataBuffer + ).then(cipher => { + const encryptedDataEncoder = encoding.createEncoder() + encoding.writeVarString(encryptedDataEncoder, 'AES-GCM') + encoding.writeVarUint8Array(encryptedDataEncoder, iv) + encoding.writeVarUint8Array(encryptedDataEncoder, new Uint8Array(cipher)) + return buffer.toBase64(encoding.toUint8Array(encryptedDataEncoder)) + }) +} + +/** + * @param {string} data + * @param {CryptoKey} key + * @return {PromiseLike} decrypted object + */ +export const decrypt = (data, key) => { + if (typeof data !== 'string') { + return promise.reject() + } + const dataDecoder = decoding.createDecoder(buffer.fromBase64(data)) + const algorithm = decoding.readVarString(dataDecoder) + if (algorithm !== 'AES-GCM') { + promise.reject(error.create('Unknown encryption algorithm')) + } + const iv = decoding.readVarUint8Array(dataDecoder) + const cipher = decoding.readVarUint8Array(dataDecoder) + return crypto.subtle.decrypt( + { + name: 'AES-GCM', + iv + }, + key, + cipher + ).then(decryptedValue => + decoding.readAny(decoding.createDecoder(new Uint8Array(decryptedValue))) + ) +} diff --git a/src/y-webrtc.js b/src/y-webrtc.js index c9a6a54..cac817d 100644 --- a/src/y-webrtc.js +++ b/src/y-webrtc.js @@ -5,13 +5,16 @@ import * as random from 'lib0/random.js' import * as encoding from 'lib0/encoding.js' import * as decoding from 'lib0/decoding.js' import { Observable } from 'lib0/observable.js' +import * as logging from 'lib0/logging.js' +import * as promise from 'lib0/promise.js' + import * as Y from 'yjs' // eslint-disable-line import Peer from 'simple-peer/simplepeer.min.js' import * as syncProtocol from 'y-protocols/sync.js' import * as awarenessProtocol from 'y-protocols/awareness.js' -import * as logging from 'lib0/logging.js' +import * as cryptoutils from './crypto.js' const log = logging.createModuleLogger('y-webrtc') @@ -19,36 +22,30 @@ const messageSync = 0 const messageQueryAwareness = 3 const messageAwareness = 1 -const peerId = random.uuidv4() +/** + * @type {Map} + */ +const signalingConns = new Map() /** - * @type {Map} + * @type {Map} */ -const signallingConns = new Map() -/** - * @type {Map} - */ -const webrtcConns = new Map() +const rooms = new Map() /** - * @type {Map} + * @param {Room} room */ -const webrtcRooms = new Map() - -/** - * @param {WebrtcRoom} webrtcRoom - */ -const checkIsSynced = webrtcRoom => { +const checkIsSynced = room => { let synced = true - webrtcRoom.peers.forEach(peer => { - if (!peer.syncedRooms.has(webrtcRoom.name)) { + room.webrtcConns.forEach(peer => { + if (!peer.synced) { synced = false } }) - if ((!synced && webrtcRoom.synced) || (synced && !webrtcRoom.synced)) { - webrtcRoom.synced = synced - webrtcRoom.provider.emit('synced', [{ synced }]) - log('synced ', logging.BOLD, webrtcRoom.name, logging.UNBOLD, ' with all peers') + if ((!synced && room.synced) || (synced && !room.synced)) { + room.synced = synced + room.provider.emit('synced', [{ synced }]) + log('synced ', logging.BOLD, room.name, logging.UNBOLD, ' with all peers') } } @@ -61,23 +58,21 @@ const readPeerMessage = (peerConn, buf) => { const decoder = decoding.createDecoder(buf) const encoder = encoding.createEncoder() const messageType = decoding.readVarUint(decoder) - const roomName = decoding.readVarString(decoder) - const webrtcRoom = webrtcRooms.get(roomName) - if (webrtcRoom === undefined) { + const room = peerConn.room + if (room === undefined) { return null } - const provider = webrtcRoom.provider - const doc = webrtcRoom.doc + const provider = room.provider + const doc = room.doc let sendReply = false switch (messageType) { case messageSync: encoding.writeVarUint(encoder, messageSync) - encoding.writeVarString(encoder, roomName) - const syncMessageType = syncProtocol.readSyncMessage(decoder, encoder, doc, webrtcRoom.provider) - if (syncMessageType === syncProtocol.messageYjsSyncStep2 && !webrtcRoom.synced) { - peerConn.syncedRooms.add(roomName) - log('synced ', logging.BOLD, roomName, logging.UNBOLD, ' with ', logging.BOLD, peerConn.remotePeerId) - checkIsSynced(webrtcRoom) + const syncMessageType = syncProtocol.readSyncMessage(decoder, encoder, doc, room.provider) + if (syncMessageType === syncProtocol.messageYjsSyncStep2 && !room.synced) { + peerConn.synced = true + log('synced ', logging.BOLD, room.name, logging.UNBOLD, ' with ', logging.BOLD, peerConn.remotePeerId) + checkIsSynced(room) } if (syncMessageType === syncProtocol.messageYjsSyncStep1) { sendReply = true @@ -85,7 +80,6 @@ const readPeerMessage = (peerConn, buf) => { break case messageQueryAwareness: encoding.writeVarUint(encoder, messageAwareness) - encoding.writeVarString(encoder, roomName) encoding.writeVarUint8Array(encoder, awarenessProtocol.encodeAwarenessUpdate(provider.awareness, Array.from(provider.awareness.getStates().keys()))) sendReply = true break @@ -107,78 +101,70 @@ const readPeerMessage = (peerConn, buf) => { * @param {WebrtcConn} webrtcConn * @param {encoding.Encoder} encoder */ -const send = (webrtcConn, encoder) => { - webrtcConn.peer.send(encoding.toUint8Array(encoder)) +const sendWebrtcConn = (webrtcConn, encoder) => { + if (webrtcConn.connected) { + webrtcConn.peer.send(encoding.toUint8Array(encoder)) + } } /** - * @param {WebrtcRoom} webrtcRoom + * @param {Room} room * @param {encoding.Encoder} encoder */ -const broadcast = (webrtcRoom, encoder) => { +const broadcastWebrtcConn = (room, encoder) => { const m = encoding.toUint8Array(encoder) - webrtcRoom.peers.forEach(peer => peer.peer.send(m)) + room.webrtcConns.forEach(conn => { + if (conn.connected) { + conn.peer.send(m) + } + }) } export class WebrtcConn { /** - * @param {SignallingConn} signalingConn + * @param {SignalingConn} signalingConn * @param {boolean} initiator * @param {string} remotePeerId - * @param {Array} announcedTopics + * @param {Room} room */ - constructor (signalingConn, initiator, remotePeerId, announcedTopics) { + constructor (signalingConn, initiator, remotePeerId, room) { log('establishing connection to ', logging.BOLD, remotePeerId) + this.room = room this.remotePeerId = remotePeerId this.closed = false this.connected = false - /** - * @type {Set} - */ - this.syncedRooms = new Set() + this.synced = false /** * @type {any} */ this.peer = new Peer({ initiator }) - this.peer.on('signal', data => { - signalingConn.send({ type: 'publish', topics: announcedTopics, to: remotePeerId, from: peerId, messageType: 'signal', data }) + this.peer.on('signal', signal => { + publishSignalingMessage(signalingConn, room, { to: remotePeerId, from: room.peerId, type: 'signal', signal }) }) this.peer.on('connect', () => { log('connected to ', logging.BOLD, remotePeerId) this.connected = true - announcedTopics.forEach(roomName => { - const room = webrtcRooms.get(roomName) - if (room) { - // add peer to room - room.peers.add(this) - // send sync step 1 - const provider = room.provider - const doc = provider.doc - const awareness = provider.awareness - const encoder = encoding.createEncoder() - encoding.writeVarUint(encoder, messageSync) - encoding.writeVarString(encoder, room.name) - syncProtocol.writeSyncStep1(encoder, doc) - send(this, encoder) - const awarenessStates = awareness.getStates() - if (awarenessStates.size > 0) { - const encoder = encoding.createEncoder() - encoding.writeVarUint(encoder, messageAwareness) - encoding.writeVarString(encoder, room.name) - encoding.writeVarUint8Array(encoder, awarenessProtocol.encodeAwarenessUpdate(awareness, Array.from(awarenessStates.keys()))) - send(this, encoder) - } - } - }) + // send sync step 1 + const provider = room.provider + const doc = provider.doc + const awareness = provider.awareness + const encoder = encoding.createEncoder() + encoding.writeVarUint(encoder, messageSync) + syncProtocol.writeSyncStep1(encoder, doc) + sendWebrtcConn(this, encoder) + const awarenessStates = awareness.getStates() + if (awarenessStates.size > 0) { + const encoder = encoding.createEncoder() + encoding.writeVarUint(encoder, messageAwareness) + encoding.writeVarUint8Array(encoder, awarenessProtocol.encodeAwarenessUpdate(awareness, Array.from(awarenessStates.keys()))) + sendWebrtcConn(this, encoder) + } }) this.peer.on('close', () => { this.connected = false this.closed = true - webrtcConns.delete(this.remotePeerId) - webrtcRooms.forEach(room => { - room.peers.delete(this) - checkIsSynced(room) - }) + room.webrtcConns.delete(this.remotePeerId) + checkIsSynced(room) this.peer.destroy() log('closed connection to ', logging.BOLD, remotePeerId) }) @@ -190,54 +176,121 @@ export class WebrtcConn { this.peer.on('data', data => { const answer = readPeerMessage(this, data) if (answer !== null) { - send(this, answer) + sendWebrtcConn(this, answer) } }) } } -export class WebrtcRoom { +export class Room { /** * @param {Y.Doc} doc * @param {WebrtcProvider} provider * @param {string} name + * @param {CryptoKey|null} key */ - constructor (doc, provider, name) { + constructor (doc, provider, name, key) { /** - * @type {Set} + * Do not assume that peerId is unique. This is only meant for sending signaling messages. + * + * @type {string} */ - this.peers = new Set() + this.peerId = random.uuidv4() this.doc = doc this.provider = provider this.synced = false this.name = name + this.key = key + /** + * @type {Map} + */ + this.webrtcConns = new Map() } } -export class SignallingConn extends ws.WebsocketClient { +/** + * @param {Y.Doc} doc + * @param {WebrtcProvider} provider + * @param {string} name + * @param {CryptoKey|null} key + * @return {Room} + */ +const openRoom = (doc, provider, name, key) => { + // there must only be one room + if (rooms.has(name)) { + throw error.create('A Yjs Doc connected to that room already exists!') + } + const room = new Room(doc, provider, name, key) + rooms.set(name, /** @type {Room} */ (room)) + // signal through all available signaling connections + signalingConns.forEach(conn => { + // only subcribe if connection is established, otherwise the conn automatically subscribes to all rooms + if (conn.connected) { + conn.send({ type: 'subscribe', topics: [name] }) + publishSignalingMessage(conn, room, { type: 'announce', from: room.peerId }) + } + }) + return room +} + +/** + * @param {SignalingConn} conn + * @param {Room} room + * @param {any} data + */ +const publishSignalingMessage = (conn, room, data) => { + if (room.key) { + cryptoutils.encrypt(data, room.key).then(data => { + conn.send({ type: 'publish', topic: room.name, data }) + }) + } else { + conn.send({ type: 'publish', topic: room.name, data }) + } +} + +export class SignalingConn extends ws.WebsocketClient { constructor (url) { super(url) /** * @type {Set} */ this.providers = new Set() - this.afterOpen.push(() => ({ type: 'subscribe', topics: Array.from(webrtcRooms.keys()) })) - this.afterOpen.push(() => ({ type: 'publish', messageType: 'announce', topics: Array.from(webrtcRooms.keys()), from: peerId })) + this.on('connect', () => { + const topics = Array.from(rooms.keys()) + this.send({ type: 'subscribe', topics }) + rooms.forEach(room => + publishSignalingMessage(this, room, { type: 'announce', from: room.peerId }) + ) + }) this.on('message', m => { - if (m.from === peerId || (m.to !== undefined && m.to !== peerId)) { - return - } switch (m.type) { case 'publish': { - switch (m.messageType) { - case 'announce': - map.setIfUndefined(webrtcConns, m.from, () => new WebrtcConn(this, true, m.from, m.topics)) - break - case 'signal': - if (m.to === peerId) { - map.setIfUndefined(webrtcConns, m.from, () => new WebrtcConn(this, false, m.from, m.topics)).peer.signal(m.data) - } - break + const roomName = m.topic + const room = rooms.get(roomName) + if (room == null || typeof roomName !== 'string') { + return + } + const execMessage = data => { + const webrtcConns = room.webrtcConns + const peerId = room.peerId + if (data == null || data.from === peerId || (data.to !== undefined && data.to !== peerId)) { + return + } + switch (data.type) { + case 'announce': + map.setIfUndefined(webrtcConns, data.from, () => new WebrtcConn(this, true, data.from, room)) + break + case 'signal': + if (data.to === peerId) { + map.setIfUndefined(webrtcConns, data.from, () => new WebrtcConn(this, false, data.from, room)).peer.signal(data.signal) + } + break + } + } + if (room.key) { + cryptoutils.decrypt(m.data, room.key).then(execMessage) + } else { + execMessage(m.data) } } } @@ -245,16 +298,6 @@ export class SignallingConn extends ws.WebsocketClient { this.on('connect', () => log(`connected (${url})`)) this.on('disconnect', () => log(`disconnect (${url})`)) } - /** - * @param {Array} rooms - */ - subscribe (rooms) { - // only subcribe if connection is established, otherwise the conn automatically subscribes to all webrtcRooms - if (this.connected) { - this.send({ type: 'subscribe', topics: rooms }) - this.send({ type: 'publish', messageType: 'announce', topics: Array.from(webrtcRooms.keys()), from: peerId }) - } - } } /** @@ -262,27 +305,33 @@ export class SignallingConn extends ws.WebsocketClient { */ export class WebrtcProvider extends Observable { /** - * @param {string} room + * @param {string} roomName * @param {Y.Doc} doc * @param {Object} [opts] - * @param {Array} [opts.signalling] + * @param {Array} [opts.signaling] + * @param {string?} [opts.password] */ - constructor (room, doc, { signalling = ['wss://signalling.yjs.dev', 'wss://y-webrtc-hrxsloqrim.now.sh', 'wss://y-webrtc-signalling-eu.herokuapp.com', 'wss://y-webrtc-signalling-us.herokuapp.com'] } = {}) { + constructor (roomName, doc, { signaling = ['wss://signaling.yjs.dev', 'wss://y-webrtc-uchplqjsol.now.sh', 'wss://y-webrtc-signaling-eu.herokuapp.com', 'wss://y-webrtc-signaling-us.herokuapp.com'], password = null } = {}) { super() - this.room = room + this.roomName = roomName this.doc = doc - this.signallingConns = [] - signalling.forEach(url => { - const signallingConn = map.setIfUndefined(signallingConns, url, () => new SignallingConn(url)) - this.signallingConns.push(signallingConn) - signallingConn.providers.add(this) - signallingConn.subscribe([this.room]) + this.signalingConns = [] + /** + * @type {PromiseLike} + */ + this.key = password ? cryptoutils.deriveKey(password, roomName) : /** @type {PromiseLike} */ (promise.resolve(null)) + signaling.forEach(url => { + const signalingConn = map.setIfUndefined(signalingConns, url, () => new SignalingConn(url)) + this.signalingConns.push(signalingConn) + signalingConn.providers.add(this) + }) + /** + * @type {Room|null} + */ + let room = null + this.key.then(key => { + room = openRoom(doc, this, roomName, key) }) - if (webrtcRooms.has(room)) { - throw error.create('A Yjs Doc connected to that room already exists!') - } - const webrtcRoom = new WebrtcRoom(doc, this, room) - webrtcRooms.set(room, webrtcRoom) /** * @type {awarenessProtocol.Awareness} */ @@ -294,12 +343,11 @@ export class WebrtcProvider extends Observable { * @param {any} origin */ this._docUpdateHandler = (update, origin) => { - if (origin !== this || origin === null) { + if (room !== null && (origin !== this || origin === null)) { const encoder = encoding.createEncoder() encoding.writeVarUint(encoder, messageSync) - encoding.writeVarString(encoder, room) syncProtocol.writeUpdate(encoder, update) - broadcast(webrtcRoom, encoder) + broadcastWebrtcConn(room, encoder) } } /** @@ -309,12 +357,13 @@ export class WebrtcProvider extends Observable { * @param {any} origin */ this._awarenessUpdateHandler = ({ added, updated, removed }, origin) => { - const changedClients = added.concat(updated).concat(removed) - const encoder = encoding.createEncoder() - encoding.writeVarUint(encoder, messageAwareness) - encoding.writeVarString(encoder, room) - encoding.writeVarUint8Array(encoder, awarenessProtocol.encodeAwarenessUpdate(this.awareness, changedClients)) - broadcast(webrtcRoom, encoder) + if (room !== null) { + const changedClients = added.concat(updated).concat(removed) + const encoder = encoding.createEncoder() + encoding.writeVarUint(encoder, messageAwareness) + encoding.writeVarUint8Array(encoder, awarenessProtocol.encodeAwarenessUpdate(this.awareness, changedClients)) + broadcastWebrtcConn(room, encoder) + } } this.doc.on('update', this._docUpdateHandler) this.awareness.on('change', this._awarenessUpdateHandler) @@ -323,16 +372,20 @@ export class WebrtcProvider extends Observable { }) } destroy () { - this.signallingConns.forEach(conn => { + super.destroy() + this.signalingConns.forEach(conn => { conn.providers.delete(this) if (conn.providers.size === 0) { conn.destroy() - signallingConns.delete(this.room) + signalingConns.delete(this.roomName) } else { - conn.send({ type: 'unsubscribe', topics: [this.room] }) + conn.send({ type: 'unsubscribe', topics: [this.roomName] }) } }) - webrtcRooms.delete(this.room) + // need to wait for key before deleting room + this.key.then(() => { + rooms.delete(this.roomName) + }) this.doc.off('update', this._docUpdateHandler) this.awareness.off('change', this._awarenessUpdateHandler) super.destroy() diff --git a/test/crypto.test.js b/test/crypto.test.js new file mode 100644 index 0000000..7ca5d71 --- /dev/null +++ b/test/crypto.test.js @@ -0,0 +1,33 @@ + +import * as cryptutils from '../src/crypto.js' +import * as t from 'lib0/testing.js' +import * as prng from 'lib0/prng.js' + +/** + * @param {t.TestCase} tc + */ +export const testReapeatEncryption = async tc => { + const secret = prng.word(tc.prng) + const roomName = prng.word(tc.prng) + const data = { + content: 'just a test', + number: 4 + } + + /** + * @type {any} + */ + let encrypted, decrypted, key + await t.measureTime('Key generation', async () => { + key = await cryptutils.deriveKey(secret, roomName) + }) + await t.measureTime('Encryption', async () => { + encrypted = await cryptutils.encrypt(data, key) + }) + t.info(`stringified len: ${JSON.stringify(data).length}b`) + t.info(`Encrypted len: ${encrypted.length}b`) + await t.measureTime('Decryption', async () => { + decrypted = await cryptutils.decrypt(encrypted, key) + }) + t.compare(data, decrypted) +} diff --git a/test/index.js b/test/index.js new file mode 100644 index 0000000..b1bc62b --- /dev/null +++ b/test/index.js @@ -0,0 +1,18 @@ + +import * as crypto from './crypto.test.js' + +import { runTests } from 'lib0/testing.js' +import { isBrowser, isNode } from 'lib0/environment.js' +import * as log from 'lib0/logging.js' + +if (isBrowser) { + log.createVConsole(document.body) +} +runTests({ + crypto +}).then(success => { + /* istanbul ignore next */ + if (isNode) { + process.exit(success ? 0 : 1) + } +})