mirror of
https://github.com/Safe-Support-Chat/ocrcc-chatbox
synced 2024-11-22 02:34:55 +00:00
fallback to unencryted chat if initCrypto fails or on decryption error
This commit is contained in:
Sharon Kennedy
parent
b934bb3a5f
commit
5569c4af63
@ -24,12 +24,16 @@ const DEFAULT_ROOM_NAME = "Support Chat"
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const BOT_USERNAME = "@help-bot:rhok.space"
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const ENCRYPTION_CONFIG = { "algorithm": "m.megolm.v1.aes-sha2" };
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const ENCRYPTION_NOTICE = "Messages in this chat are secured with end-to-end encryption."
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const UNENCRYPTION_NOTICE = "End-to-end message encryption is not available on this browser."
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const INTRO_MESSAGE = "This chat application does not collect any of your personal data or any data from your use of this service."
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const AGREEMENT_MESSAGE = "👉 Do you want to continue? Type yes or no."
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const CONFIRMATION_MESSAGE = "Waiting for a facilitator to join the chat..."
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const RESTARTING_UNENCRYPTED_CHAT_MESSAGE = "Restarting chat without encryption."
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const EXIT_MESSAGE = "The chat was not started."
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const FACILITATOR_ROOM_ID = '!pYVVPyFKacZeKZbWyz:rhok.space'
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const TERMS_URL="https://tosdr.org/"
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const SUPPORT_SEEKER_DISPLAY_NAME="Anonymous"
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const MATRIX_ERROR_MESSAGE = "There was an error in the messaging service. Please try again later."
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const initialState = {
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@ -172,6 +176,8 @@ class ChatBox extends React.Component {
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username: username,
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password: password,
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localStorage: localStorage,
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sessionId: sessionId,
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deviceId: data.device_id,
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})
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// create new client with full options
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@ -184,7 +190,7 @@ class ChatBox extends React.Component {
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}
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client = matrix.createClient(opts)
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client.setDisplayName("Anonymous")
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client.setDisplayName(SUPPORT_SEEKER_DISPLAY_NAME)
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})
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.catch(err => {
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console.log("Registration error", err)
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@ -196,9 +202,40 @@ class ChatBox extends React.Component {
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client: client
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})
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})
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.catch(err => this.initializeUnencryptedChat())
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})
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}
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initializeUnencryptedChat = () => {
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this.setState({ ready: false })
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let opts = {
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baseUrl: this.props.matrixServerUrl,
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accessToken: this.state.accessToken,
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userId: this.state.userId,
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deviceId: this.state.deviceId
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}
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let client = matrix.createClient(opts)
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client.setDisplayName(SUPPORT_SEEKER_DISPLAY_NAME)
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return client.startClient()
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.then(() => {
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this.setState({
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client: client,
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isCryptoEnabled: false,
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})
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})
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}
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handleDecryptionError = () => {
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this.displayBotMessage({ body: RESTARTING_UNENCRYPTED_CHAT_MESSAGE })
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this.state.client.leave(this.state.roomId)
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.then(() => this.state.client.stopClient())
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.then(() => this.state.client.clearStores())
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.then(() => this.initializeUnencryptedChat())
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}
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verifyAllRoomDevices = async function(roomId) {
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let room = this.state.client.getRoom(roomId);
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let members = (await room.getEncryptionTargetMembers()).map(x => x["userId"])
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@ -211,44 +248,44 @@ class ChatBox extends React.Component {
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}
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}
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createRoom = () => {
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createRoom = async function() {
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const currentDate = new Date()
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const chatDate = currentDate.toLocaleDateString()
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const chatTime = currentDate.toLocaleTimeString()
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return this.state.client.createRoom({
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let roomConfig = {
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room_alias_name: `private-support-chat-${uuid()}`,
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invite: [BOT_USERNAME],
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visibility: 'private',
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name: `${chatDate} - ${this.props.roomName} - started at ${chatTime}`,
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initial_state: [
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}
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const isCryptoEnabled = await this.state.client.isCryptoEnabled()
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if (isCryptoEnabled) {
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roomConfig.initial_state = [
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{
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type: 'm.room.encryption',
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state_key: '',
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content: ENCRYPTION_CONFIG,
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},
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]
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})
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.then(data => {
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this.verifyAllRoomDevices(data.room_id)
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this.state.client.setPowerLevel(data.room_id, BOT_USERNAME, 100)
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.then(() => console.log("Set bot power level to 100"))
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.catch(err => console.log("Error setting bot power level", err))
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const confirmationMsg = {
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id: 'confirmation-msg-id',
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type: 'm.room.message',
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sender: BOT_USERNAME,
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content: { body: CONFIRMATION_MESSAGE },
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}
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const messages = [...this.state.messages]
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messages.push(confirmationMsg)
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const { room_id } = await this.state.client.createRoom(roomConfig)
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this.state.client.setPowerLevel(room_id, BOT_USERNAME, 100)
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if (isCryptoEnabled) {
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this.verifyAllRoomDevices(room_id)
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} else {
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this.displayBotMessage({ body: UNENCRYPTION_NOTICE })
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}
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this.displayBotMessage({ body: CONFIRMATION_MESSAGE })
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this.setState({
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roomId: data.room_id,
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messages
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})
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})
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.catch(err => {
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console.log("Unable to create room", err)
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roomId: room_id,
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isCryptoEnabled
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})
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}
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@ -274,6 +311,34 @@ class ChatBox extends React.Component {
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})
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}
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displayFakeMessage = (content, sender) => {
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const msgList = [...this.state.messages]
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const msg = {
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id: uuid(),
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type: 'm.room.message',
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sender: sender,
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roomId: this.state.roomId,
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content: content,
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}
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msgList.push(msg)
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this.setState({ messages: msgList })
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}
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displayBotMessage = (content, roomId) => {
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const msgList = [...this.state.messages]
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const msg = {
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id: uuid(),
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type: 'm.room.message',
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sender: BOT_USERNAME,
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roomId: roomId || this.state.roomId,
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content: content,
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}
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msgList.push(msg)
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this.setState({ messages: msgList })
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}
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handleMessageEvent = event => {
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const message = {
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id: event.getId(),
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@ -283,8 +348,6 @@ class ChatBox extends React.Component {
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content: event.getContent(),
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}
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console.log("INCOMING MESSAGE", message)
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const messages = [...this.state.messages]
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messages.push(message)
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this.setState({ messages })
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@ -309,35 +372,34 @@ class ChatBox extends React.Component {
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this.state.client.on("Room.timeline", (event, room, toStartOfTimeline) => {
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if (event.getType() === "m.room.encryption") {
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const msgList = [...this.state.messages]
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const encryptionMsg = {
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id: 'encryption-msg-id',
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type: 'm.room.message',
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sender: BOT_USERNAME,
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roomId: room.room_id,
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content: { body: ENCRYPTION_NOTICE },
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this.displayBotMessage({ body: ENCRYPTION_NOTICE }, room.room_id)
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}
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msgList.push(encryptionMsg)
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this.setState({ messages: msgList })
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if (event.getType() === "m.room.message" && !this.state.isCryptoEnabled) {
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if (event.isEncrypted()) {
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return;
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}
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this.handleMessageEvent(event)
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}
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});
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this.state.client.on("Event.decrypted", (event) => {
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this.state.client.on("Event.decrypted", (event, err) => {
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if (err) {
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return this.handleDecryptionError()
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}
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if (event.getType() === "m.room.message") {
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this.handleMessageEvent(event)
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}
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});
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this.state.client.on("RoomMember.typing", (event, member) => {
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if (member.typing) {
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if (member.typing && event.getRoomId() === this.state.roomId) {
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this.setState({ typingStatus: `${member.name} is typing...`})
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}
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else {
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this.setState({ typingStatus: null })
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}
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});
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}
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if (!prevState.ready && this.state.ready) {
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@ -374,45 +436,21 @@ class ChatBox extends React.Component {
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if (this.state.awaitingAgreement && !this.state.client) {
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if (this.state.inputValue.toLowerCase() === 'yes') {
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const fakeUserMsg = {
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id: 'fake-msg-id',
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type: 'm.room.message',
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sender: 'from-me',
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content: { body: this.state.inputValue },
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}
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const messages = [...this.state.messages]
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messages.push(fakeUserMsg)
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this.setState({ inputValue: "", messages })
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this.displayFakeMessage({ body: this.state.inputValue }, 'from-me')
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this.setState({ inputValue: "" })
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return this.initializeChat()
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} else {
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const fakeUserMsg = {
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id: 'fake-msg-id',
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type: 'm.room.message',
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sender: 'from-me',
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content: { body: this.state.inputValue },
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}
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const exitMsg = {
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id: 'exit-msg-id',
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type: 'm.room.message',
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sender: BOT_USERNAME,
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content: { body: EXIT_MESSAGE },
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}
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const messages = [...this.state.messages]
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messages.push(fakeUserMsg)
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messages.push(exitMsg)
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this.setState({ inputValue: "", messages })
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this.displayFakeMessage({ body: this.state.inputValue }, 'from-me')
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this.displayBotMessage({ body: EXIT_MESSAGE })
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return this.setState({ inputValue: "" })
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}
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}
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if (this.state.client && this.state.roomId) {
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return this.sendMessage()
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}
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}
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render() {
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