element-web/src/LegacyCallHandler.tsx

1178 lines
45 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2019-2022 The Matrix.org Foundation C.I.C.
Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
Copyright 2017, 2018 New Vector Ltd
Copyright 2015, 2016 OpenMarket Ltd
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import React from "react";
import { MatrixError, RuleId, TweakName, SyncState } from "matrix-js-sdk/src/matrix";
import {
CallError,
CallErrorCode,
CallEvent,
CallParty,
CallState,
CallType,
FALLBACK_ICE_SERVER,
MatrixCall,
} from "matrix-js-sdk/src/webrtc/call";
import { logger } from "matrix-js-sdk/src/logger";
import EventEmitter from "events";
import { PushProcessor } from "matrix-js-sdk/src/pushprocessor";
import { CallEventHandlerEvent } from "matrix-js-sdk/src/webrtc/callEventHandler";
import { MatrixClientPeg } from "./MatrixClientPeg";
import Modal from "./Modal";
import { _t } from "./languageHandler";
import dis from "./dispatcher/dispatcher";
import WidgetUtils from "./utils/WidgetUtils";
import SettingsStore from "./settings/SettingsStore";
import { WidgetType } from "./widgets/WidgetType";
import { SettingLevel } from "./settings/SettingLevel";
import QuestionDialog from "./components/views/dialogs/QuestionDialog";
import ErrorDialog from "./components/views/dialogs/ErrorDialog";
import WidgetStore from "./stores/WidgetStore";
import { WidgetMessagingStore } from "./stores/widgets/WidgetMessagingStore";
import { ElementWidgetActions } from "./stores/widgets/ElementWidgetActions";
import { UIFeature } from "./settings/UIFeature";
import { Action } from "./dispatcher/actions";
import VoipUserMapper from "./VoipUserMapper";
import { addManagedHybridWidget, isManagedHybridWidgetEnabled } from "./widgets/ManagedHybrid";
import SdkConfig from "./SdkConfig";
import { ensureDMExists } from "./createRoom";
import { Container, WidgetLayoutStore } from "./stores/widgets/WidgetLayoutStore";
import IncomingLegacyCallToast, { getIncomingLegacyCallToastKey } from "./toasts/IncomingLegacyCallToast";
import ToastStore from "./stores/ToastStore";
import Resend from "./Resend";
import { ViewRoomPayload } from "./dispatcher/payloads/ViewRoomPayload";
import { InviteKind } from "./components/views/dialogs/InviteDialogTypes";
import { OpenInviteDialogPayload } from "./dispatcher/payloads/OpenInviteDialogPayload";
import { findDMForUser } from "./utils/dm/findDMForUser";
import { getJoinedNonFunctionalMembers } from "./utils/room/getJoinedNonFunctionalMembers";
import { localNotificationsAreSilenced } from "./utils/notifications";
import { SdkContextClass } from "./contexts/SDKContext";
import { showCantStartACallDialog } from "./voice-broadcast/utils/showCantStartACallDialog";
import { isNotNull } from "./Typeguards";
import { BackgroundAudio } from "./audio/BackgroundAudio";
import { Jitsi } from "./widgets/Jitsi.ts";
export const PROTOCOL_PSTN = "m.protocol.pstn";
export const PROTOCOL_PSTN_PREFIXED = "im.vector.protocol.pstn";
export const PROTOCOL_SIP_NATIVE = "im.vector.protocol.sip_native";
export const PROTOCOL_SIP_VIRTUAL = "im.vector.protocol.sip_virtual";
const CHECK_PROTOCOLS_ATTEMPTS = 3;
type MediaEventType = keyof HTMLMediaElementEventMap;
const MEDIA_ERROR_EVENT_TYPES: MediaEventType[] = [
"error",
// The media has become empty; for example, this event is sent if the media has
// already been loaded (or partially loaded), and the HTMLMediaElement.load method
// is called to reload it.
"emptied",
// The user agent is trying to fetch media data, but data is unexpectedly not
// forthcoming.
"stalled",
// Media data loading has been suspended.
"suspend",
// Playback has stopped because of a temporary lack of data
"waiting",
];
const MEDIA_DEBUG_EVENT_TYPES: MediaEventType[] = [
"play",
"pause",
"playing",
"ended",
"loadeddata",
"loadedmetadata",
"canplay",
"canplaythrough",
"volumechange",
];
const MEDIA_EVENT_TYPES = [...MEDIA_ERROR_EVENT_TYPES, ...MEDIA_DEBUG_EVENT_TYPES];
export enum AudioID {
Ring = "ringAudio",
Ringback = "ringbackAudio",
CallEnd = "callendAudio",
Busy = "busyAudio",
}
/* istanbul ignore next */
const debuglog = (...args: any[]): void => {
if (SettingsStore.getValue("debug_legacy_call_handler")) {
logger.log.call(console, "LegacyCallHandler debuglog:", ...args);
}
};
interface ThirdpartyLookupResponseFields {
/* eslint-disable camelcase */
// im.vector.sip_native
virtual_mxid?: string;
is_virtual?: boolean;
// im.vector.sip_virtual
native_mxid?: string;
is_native?: boolean;
// common
lookup_success?: boolean;
/* eslint-enable camelcase */
}
interface ThirdpartyLookupResponse {
userid: string;
protocol: string;
fields: ThirdpartyLookupResponseFields;
}
export enum LegacyCallHandlerEvent {
CallsChanged = "calls_changed",
CallChangeRoom = "call_change_room",
SilencedCallsChanged = "silenced_calls_changed",
CallState = "call_state",
}
/**
* LegacyCallHandler manages all currently active calls. It should be used for
* placing, answering, rejecting and hanging up calls. It also handles ringing,
* PSTN support and other things.
*/
export default class LegacyCallHandler extends EventEmitter {
private calls = new Map<string, MatrixCall>(); // roomId -> call
// Calls started as an attended transfer, ie. with the intention of transferring another
// call with a different party to this one.
private transferees = new Map<string, MatrixCall>(); // callId (target) -> call (transferee)
private supportsPstnProtocol: boolean | null = null;
private pstnSupportPrefixed: boolean | null = null; // True if the server only support the prefixed pstn protocol
private supportsSipNativeVirtual: boolean | null = null; // im.vector.protocol.sip_virtual and im.vector.protocol.sip_native
// Map of the asserted identity users after we've looked them up using the API.
// We need to be be able to determine the mapped room synchronously, so we
// do the async lookup when we get new information and then store these mappings here
private assertedIdentityNativeUsers = new Map<string, string>();
private silencedCalls = new Set<string>(); // callIds
private backgroundAudio = new BackgroundAudio();
private playingSources: Record<string, AudioBufferSourceNode> = {}; // Record them for stopping
public static get instance(): LegacyCallHandler {
if (!window.mxLegacyCallHandler) {
window.mxLegacyCallHandler = new LegacyCallHandler();
}
return window.mxLegacyCallHandler;
}
/*
* Gets the user-facing room associated with a call (call.roomId may be the call "virtual room"
* if a voip_mxid_translate_pattern is set in the config)
*/
public roomIdForCall(call?: MatrixCall): string | null {
if (!call) return null;
// check asserted identity: if we're not obeying asserted identity,
// this map will never be populated, but we check anyway for sanity
if (this.shouldObeyAssertedfIdentity()) {
const nativeUser = this.assertedIdentityNativeUsers.get(call.callId);
if (nativeUser) {
const room = findDMForUser(MatrixClientPeg.safeGet(), nativeUser);
if (room) return room.roomId;
}
}
return VoipUserMapper.sharedInstance().nativeRoomForVirtualRoom(call.roomId) ?? call.roomId ?? null;
}
public start(): void {
if (SettingsStore.getValue(UIFeature.Voip)) {
MatrixClientPeg.safeGet().on(CallEventHandlerEvent.Incoming, this.onCallIncoming);
}
this.checkProtocols(CHECK_PROTOCOLS_ATTEMPTS);
}
public stop(): void {
const cli = MatrixClientPeg.get();
if (cli) {
cli.removeListener(CallEventHandlerEvent.Incoming, this.onCallIncoming);
}
}
/* istanbul ignore next (remove if we start using this function for things other than debug logging) */
public handleEvent(e: Event): void {
const target = e.target as HTMLElement;
const audioId = target?.id;
if (MEDIA_ERROR_EVENT_TYPES.includes(e.type as MediaEventType)) {
logger.error(`LegacyCallHandler: encountered "${e.type}" event with <audio id="${audioId}">`, e);
} else if (MEDIA_EVENT_TYPES.includes(e.type as MediaEventType)) {
debuglog(`encountered "${e.type}" event with <audio id="${audioId}">`, e);
}
}
public isForcedSilent(): boolean {
const cli = MatrixClientPeg.safeGet();
return localNotificationsAreSilenced(cli);
}
public silenceCall(callId?: string): void {
if (!callId) return;
this.silencedCalls.add(callId);
this.emit(LegacyCallHandlerEvent.SilencedCallsChanged, this.silencedCalls);
// Don't pause audio if we have calls which are still ringing
if (this.areAnyCallsUnsilenced()) return;
this.pause(AudioID.Ring);
}
public unSilenceCall(callId?: string): void {
if (!callId || this.isForcedSilent()) return;
this.silencedCalls.delete(callId);
this.emit(LegacyCallHandlerEvent.SilencedCallsChanged, this.silencedCalls);
this.play(AudioID.Ring);
}
public isCallSilenced(callId?: string): boolean {
return this.isForcedSilent() || (!!callId && this.silencedCalls.has(callId));
}
/**
* Returns true if there is at least one unsilenced call
* @returns {boolean}
*/
private areAnyCallsUnsilenced(): boolean {
for (const call of this.calls.values()) {
if (call.state === CallState.Ringing && !this.isCallSilenced(call.callId)) {
return true;
}
}
return false;
}
private async checkProtocols(maxTries: number): Promise<void> {
try {
const protocols = await MatrixClientPeg.safeGet().getThirdpartyProtocols();
if (protocols[PROTOCOL_PSTN] !== undefined) {
this.supportsPstnProtocol = Boolean(protocols[PROTOCOL_PSTN]);
if (this.supportsPstnProtocol) this.pstnSupportPrefixed = false;
} else if (protocols[PROTOCOL_PSTN_PREFIXED] !== undefined) {
this.supportsPstnProtocol = Boolean(protocols[PROTOCOL_PSTN_PREFIXED]);
if (this.supportsPstnProtocol) this.pstnSupportPrefixed = true;
} else {
this.supportsPstnProtocol = null;
}
dis.dispatch({ action: Action.PstnSupportUpdated });
if (protocols[PROTOCOL_SIP_NATIVE] !== undefined && protocols[PROTOCOL_SIP_VIRTUAL] !== undefined) {
this.supportsSipNativeVirtual = Boolean(
protocols[PROTOCOL_SIP_NATIVE] && protocols[PROTOCOL_SIP_VIRTUAL],
);
}
dis.dispatch({ action: Action.VirtualRoomSupportUpdated });
} catch (e) {
if (maxTries === 1) {
logger.log("Failed to check for protocol support and no retries remain: assuming no support", e);
} else {
logger.log("Failed to check for protocol support: will retry", e);
window.setTimeout(() => {
this.checkProtocols(maxTries - 1);
}, 10000);
}
}
}
private shouldObeyAssertedfIdentity(): boolean {
return !!SdkConfig.getObject("voip")?.get("obey_asserted_identity");
}
public getSupportsPstnProtocol(): boolean | null {
return this.supportsPstnProtocol;
}
public getSupportsVirtualRooms(): boolean | null {
return this.supportsSipNativeVirtual;
}
public async pstnLookup(phoneNumber: string): Promise<ThirdpartyLookupResponse[]> {
try {
return await MatrixClientPeg.safeGet().getThirdpartyUser(
this.pstnSupportPrefixed ? PROTOCOL_PSTN_PREFIXED : PROTOCOL_PSTN,
{
"m.id.phone": phoneNumber,
},
);
} catch (e) {
logger.warn("Failed to lookup user from phone number", e);
return Promise.resolve([]);
}
}
public async sipVirtualLookup(nativeMxid: string): Promise<ThirdpartyLookupResponse[]> {
try {
return await MatrixClientPeg.safeGet().getThirdpartyUser(PROTOCOL_SIP_VIRTUAL, {
native_mxid: nativeMxid,
});
} catch (e) {
logger.warn("Failed to query SIP identity for user", e);
return Promise.resolve([]);
}
}
public async sipNativeLookup(virtualMxid: string): Promise<ThirdpartyLookupResponse[]> {
try {
return await MatrixClientPeg.safeGet().getThirdpartyUser(PROTOCOL_SIP_NATIVE, {
virtual_mxid: virtualMxid,
});
} catch (e) {
logger.warn("Failed to query identity for SIP user", e);
return Promise.resolve([]);
}
}
private onCallIncoming = (call: MatrixCall): void => {
// if the runtime env doesn't do VoIP, stop here.
if (!MatrixClientPeg.get()?.supportsVoip()) {
return;
}
const mappedRoomId = LegacyCallHandler.instance.roomIdForCall(call);
if (!mappedRoomId) return;
if (this.getCallForRoom(mappedRoomId)) {
logger.log(
"Got incoming call for room " + mappedRoomId + " but there's already a call for this room: ignoring",
);
return;
}
this.addCallForRoom(mappedRoomId, call);
this.setCallListeners(call);
// Explicitly handle first state change
this.onCallStateChanged(call.state, null, call);
// get ready to send encrypted events in the room, so if the user does answer
// the call, we'll be ready to send. NB. This is the protocol-level room ID not
// the mapped one: that's where we'll send the events.
const cli = MatrixClientPeg.safeGet();
const room = cli.getRoom(call.roomId);
if (room) cli.getCrypto()?.prepareToEncrypt(room);
};
public getCallById(callId: string): MatrixCall | null {
for (const call of this.calls.values()) {
if (call.callId === callId) return call;
}
return null;
}
public getCallForRoom(roomId: string): MatrixCall | null {
return this.calls.get(roomId) || null;
}
public getAllActiveCalls(): MatrixCall[] {
const activeCalls: MatrixCall[] = [];
for (const call of this.calls.values()) {
if (call.state !== CallState.Ended && call.state !== CallState.Ringing) {
activeCalls.push(call);
}
}
return activeCalls;
}
public getAllActiveCallsNotInRoom(notInThisRoomId: string): MatrixCall[] {
const callsNotInThatRoom: MatrixCall[] = [];
for (const [roomId, call] of this.calls.entries()) {
if (roomId !== notInThisRoomId && call.state !== CallState.Ended) {
callsNotInThatRoom.push(call);
}
}
return callsNotInThatRoom;
}
public getAllActiveCallsForPip(roomId: string): MatrixCall[] {
const room = MatrixClientPeg.safeGet().getRoom(roomId);
if (room && WidgetLayoutStore.instance.hasMaximisedWidget(room)) {
// This checks if there is space for the call view in the aux panel
// If there is no space any call should be displayed in PiP
return this.getAllActiveCalls();
}
return this.getAllActiveCallsNotInRoom(roomId);
}
public getTransfereeForCallId(callId: string): MatrixCall | undefined {
return this.transferees.get(callId);
}
public async play(audioId: AudioID): Promise<void> {
const logPrefix = `LegacyCallHandler.play(${audioId}):`;
logger.debug(`${logPrefix} beginning of function`);
const audioInfo: Record<AudioID, [prefix: string, loop: boolean]> = {
[AudioID.Ring]: [`./media/ring`, true],
[AudioID.Ringback]: [`./media/ringback`, true],
[AudioID.CallEnd]: [`./media/callend`, false],
[AudioID.Busy]: [`./media/busy`, false],
};
const [urlPrefix, loop] = audioInfo[audioId];
const source = await this.backgroundAudio.pickFormatAndPlay(urlPrefix, ["mp3", "ogg"], loop);
this.playingSources[audioId] = source;
logger.debug(`${logPrefix} playing audio successfully`);
}
public pause(audioId: AudioID): void {
const logPrefix = `LegacyCallHandler.pause(${audioId}):`;
logger.debug(`${logPrefix} beginning of function`);
const source = this.playingSources[audioId];
if (!source) {
logger.debug(`${logPrefix} audio not playing`);
return;
}
source.stop();
delete this.playingSources[audioId];
logger.debug(`${logPrefix} paused audio`);
}
/**
* Returns whether the given audio is currently playing
* Only supported for looping audio tracks
* @param audioId the ID of the audio to query for playing state
*/
public isPlaying(audioId: AudioID.Ring | AudioID.Ringback): boolean {
return !!this.playingSources[audioId];
}
private matchesCallForThisRoom(call: MatrixCall): boolean {
// We don't allow placing more than one call per room, but that doesn't mean there
// can't be more than one, eg. in a glare situation. This checks that the given call
// is the call we consider 'the' call for its room.
const mappedRoomId = this.roomIdForCall(call);
const callForThisRoom = mappedRoomId ? this.getCallForRoom(mappedRoomId) : null;
return !!callForThisRoom && call.callId === callForThisRoom.callId;
}
private setCallListeners(call: MatrixCall): void {
let mappedRoomId = this.roomIdForCall(call);
call.on(CallEvent.Error, (err: CallError) => {
if (!this.matchesCallForThisRoom(call)) return;
logger.error("Call error:", err);
if (err.code === CallErrorCode.NoUserMedia) {
this.showMediaCaptureError(call);
return;
}
if (
MatrixClientPeg.safeGet().getTurnServers().length === 0 &&
SettingsStore.getValue("fallbackICEServerAllowed") === null
) {
this.showICEFallbackPrompt();
return;
}
Modal.createDialog(ErrorDialog, {
title: _t("voip|call_failed"),
description: err.message,
});
});
call.on(CallEvent.Hangup, () => {
if (!mappedRoomId || !this.matchesCallForThisRoom(call)) return;
if (isNotNull(mappedRoomId)) {
this.removeCallForRoom(mappedRoomId);
}
});
call.on(CallEvent.State, (newState: CallState, oldState: CallState) => {
this.onCallStateChanged(newState, oldState, call);
});
call.on(CallEvent.Replaced, (newCall: MatrixCall) => {
if (!mappedRoomId || !this.matchesCallForThisRoom(call)) return;
logger.log(`Call ID ${call.callId} is being replaced by call ID ${newCall.callId}`);
if (call.state === CallState.Ringing) {
this.pause(AudioID.Ring);
} else if (call.state === CallState.InviteSent) {
this.pause(AudioID.Ringback);
}
if (isNotNull(mappedRoomId)) {
this.removeCallForRoom(mappedRoomId);
this.addCallForRoom(mappedRoomId, newCall);
}
this.setCallListeners(newCall);
this.setCallState(newCall, newCall.state);
});
call.on(CallEvent.AssertedIdentityChanged, async (): Promise<void> => {
if (!mappedRoomId || !this.matchesCallForThisRoom(call)) return;
logger.log(`Call ID ${call.callId} got new asserted identity:`, call.getRemoteAssertedIdentity());
if (!this.shouldObeyAssertedfIdentity()) {
logger.log("asserted identity not enabled in config: ignoring");
return;
}
const newAssertedIdentity = call.getRemoteAssertedIdentity()?.id;
let newNativeAssertedIdentity = newAssertedIdentity;
if (newAssertedIdentity) {
const response = await this.sipNativeLookup(newAssertedIdentity);
if (response.length && response[0].fields.lookup_success) {
newNativeAssertedIdentity = response[0].userid;
}
}
logger.log(`Asserted identity ${newAssertedIdentity} mapped to ${newNativeAssertedIdentity}`);
if (newNativeAssertedIdentity) {
this.assertedIdentityNativeUsers.set(call.callId, newNativeAssertedIdentity);
// If we don't already have a room with this user, make one. This will be slightly odd
// if they called us because we'll be inviting them, but there's not much we can do about
// this if we want the actual, native room to exist (which we do). This is why it's
// important to only obey asserted identity in trusted environments, since anyone you're
// on a call with can cause you to send a room invite to someone.
await ensureDMExists(MatrixClientPeg.safeGet(), newNativeAssertedIdentity);
const newMappedRoomId = this.roomIdForCall(call);
logger.log(`Old room ID: ${mappedRoomId}, new room ID: ${newMappedRoomId}`);
if (newMappedRoomId !== mappedRoomId && isNotNull(mappedRoomId) && isNotNull(newMappedRoomId)) {
this.removeCallForRoom(mappedRoomId);
mappedRoomId = newMappedRoomId;
logger.log("Moving call to room " + mappedRoomId);
this.addCallForRoom(mappedRoomId, call, true);
}
}
});
}
private onCallStateChanged = (newState: CallState, oldState: CallState | null, call: MatrixCall): void => {
const mappedRoomId = this.roomIdForCall(call);
if (!mappedRoomId || !this.matchesCallForThisRoom(call)) return;
this.setCallState(call, newState);
dis.dispatch({
action: "call_state",
room_id: mappedRoomId,
state: newState,
});
switch (oldState) {
case CallState.Ringing:
this.pause(AudioID.Ring);
break;
case CallState.InviteSent:
this.pause(AudioID.Ringback);
break;
}
if (newState !== CallState.Ringing) {
this.silencedCalls.delete(call.callId);
}
switch (newState) {
case CallState.Ringing: {
const incomingCallPushRule = new PushProcessor(MatrixClientPeg.safeGet()).getPushRuleById(
RuleId.IncomingCall,
);
const pushRuleEnabled = incomingCallPushRule?.enabled;
// actions can be either Tweaks | PushRuleActionName, ie an object or a string type enum
// and we want to only run this check on the Tweaks
const tweakSetToRing = incomingCallPushRule?.actions.some(
(action) =>
typeof action !== "string" && action.set_tweak === TweakName.Sound && action.value === "ring",
);
if (pushRuleEnabled && tweakSetToRing && !this.isForcedSilent()) {
this.play(AudioID.Ring);
} else {
this.silenceCall(call.callId);
}
break;
}
case CallState.InviteSent: {
this.play(AudioID.Ringback);
break;
}
case CallState.Ended: {
const hangupReason = call.hangupReason;
if (isNotNull(mappedRoomId)) {
this.removeCallForRoom(mappedRoomId);
}
if (oldState === CallState.InviteSent && call.hangupParty === CallParty.Remote) {
this.play(AudioID.Busy);
// Don't show a modal when we got rejected/the call was hung up
if (!hangupReason || [CallErrorCode.UserHangup, "user hangup"].includes(hangupReason)) break;
let title: string;
let description: string;
// TODO: We should either do away with these or figure out a copy for each code (expect user_hangup...)
if (call.hangupReason === CallErrorCode.UserBusy) {
title = _t("voip|user_busy");
description = _t("voip|user_busy_description");
} else {
title = _t("voip|call_failed");
description = _t("voip|call_failed_description");
}
Modal.createDialog(ErrorDialog, {
title,
description,
});
} else if (hangupReason === CallErrorCode.AnsweredElsewhere && oldState === CallState.Connecting) {
Modal.createDialog(ErrorDialog, {
title: _t("voip|answered_elsewhere"),
description: _t("voip|answered_elsewhere_description"),
});
} else if (oldState !== CallState.Fledgling && oldState !== CallState.Ringing) {
// don't play the end-call sound for calls that never got off the ground
this.play(AudioID.CallEnd);
}
if (isNotNull(mappedRoomId)) {
this.logCallStats(call, mappedRoomId);
}
break;
}
}
};
private async logCallStats(call: MatrixCall, mappedRoomId: string): Promise<void> {
const stats = await call.getCurrentCallStats();
logger.debug(
`Call completed. Call ID: ${call.callId}, virtual room ID: ${call.roomId}, ` +
`user-facing room ID: ${mappedRoomId}, direction: ${call.direction}, ` +
`our Party ID: ${call.ourPartyId}, hangup party: ${call.hangupParty}, ` +
`hangup reason: ${call.hangupReason}`,
);
if (!stats) {
logger.debug(
"Call statistics are undefined. The call has probably failed before a peerConn was established",
);
return;
}
logger.debug("Local candidates:");
for (const cand of stats.filter((item) => item.type === "local-candidate")) {
const address = cand.address || cand.ip; // firefox uses 'address', chrome uses 'ip'
logger.debug(
`${cand.id} - type: ${cand.candidateType}, address: ${address}, port: ${cand.port}, ` +
`protocol: ${cand.protocol}, relay protocol: ${cand.relayProtocol}, network type: ${cand.networkType}`,
);
}
logger.debug("Remote candidates:");
for (const cand of stats.filter((item) => item.type === "remote-candidate")) {
const address = cand.address || cand.ip; // firefox uses 'address', chrome uses 'ip'
logger.debug(
`${cand.id} - type: ${cand.candidateType}, address: ${address}, port: ${cand.port}, ` +
`protocol: ${cand.protocol}`,
);
}
logger.debug("Candidate pairs:");
for (const pair of stats.filter((item) => item.type === "candidate-pair")) {
logger.debug(
`${pair.localCandidateId} / ${pair.remoteCandidateId} - state: ${pair.state}, ` +
`nominated: ${pair.nominated}, ` +
`requests sent ${pair.requestsSent}, requests received ${pair.requestsReceived}, ` +
`responses received: ${pair.responsesReceived}, responses sent: ${pair.responsesSent}, ` +
`bytes received: ${pair.bytesReceived}, bytes sent: ${pair.bytesSent}, `,
);
}
logger.debug("Outbound RTP:");
for (const s of stats.filter((item) => item.type === "outbound-rtp")) {
logger.debug(s);
}
logger.debug("Inbound RTP:");
for (const s of stats.filter((item) => item.type === "inbound-rtp")) {
logger.debug(s);
}
}
private setCallState(call: MatrixCall, status: CallState): void {
const mappedRoomId = LegacyCallHandler.instance.roomIdForCall(call);
logger.log(`Call state in ${mappedRoomId} changed to ${status}`);
const toastKey = getIncomingLegacyCallToastKey(call.callId);
if (status === CallState.Ringing) {
ToastStore.sharedInstance().addOrReplaceToast({
key: toastKey,
priority: 100,
component: IncomingLegacyCallToast,
bodyClassName: "mx_IncomingLegacyCallToast",
props: { call },
});
} else {
ToastStore.sharedInstance().dismissToast(toastKey);
}
this.emit(LegacyCallHandlerEvent.CallState, mappedRoomId, status);
}
private removeCallForRoom(roomId: string): void {
logger.log("Removing call for room ", roomId);
this.calls.delete(roomId);
this.emit(LegacyCallHandlerEvent.CallsChanged, this.calls);
}
private showICEFallbackPrompt(): void {
const cli = MatrixClientPeg.safeGet();
Modal.createDialog(
QuestionDialog,
{
title: _t("voip|misconfigured_server"),
description: (
<div>
<p>
{_t(
"voip|misconfigured_server_description",
{ homeserverDomain: cli.getDomain() },
{ code: (sub: string) => <code>{sub}</code> },
)}
</p>
<p>
{_t("voip|misconfigured_server_fallback", undefined, {
server: () => <code>{new URL(FALLBACK_ICE_SERVER).pathname}</code>,
})}
</p>
</div>
),
button: _t("voip|misconfigured_server_fallback_accept", {
server: new URL(FALLBACK_ICE_SERVER).pathname,
}),
cancelButton: _t("action|ok"),
onFinished: (allow) => {
SettingsStore.setValue("fallbackICEServerAllowed", null, SettingLevel.DEVICE, allow);
},
},
undefined,
true,
);
}
private showMediaCaptureError(call: MatrixCall): void {
let title;
let description;
if (call.type === CallType.Voice) {
title = _t("voip|unable_to_access_microphone");
description = <div>{_t("voip|call_failed_microphone")}</div>;
} else if (call.type === CallType.Video) {
title = _t("voip|unable_to_access_media");
description = (
<div>
{_t("voip|call_failed_media")}
<ul>
<li>{_t("voip|call_failed_media_connected")}</li>
<li>{_t("voip|call_failed_media_permissions")}</li>
<li>{_t("voip|call_failed_media_applications")}</li>
</ul>
</div>
);
}
Modal.createDialog(
ErrorDialog,
{
title,
description,
},
undefined,
true,
);
}
private async placeMatrixCall(roomId: string, type: CallType, transferee?: MatrixCall): Promise<void> {
const cli = MatrixClientPeg.safeGet();
const mappedRoomId = (await VoipUserMapper.sharedInstance().getOrCreateVirtualRoomForRoom(roomId)) || roomId;
logger.debug("Mapped real room " + roomId + " to room ID " + mappedRoomId);
// If we're using a virtual room nd there are any events pending, try to resend them,
// otherwise the call will fail and because its a virtual room, the user won't be able
// to see it to either retry or clear the pending events. There will only be call events
// in this queue, and since we're about to place a new call, they can only be events from
// previous calls that are probably stale by now, so just cancel them.
if (mappedRoomId !== roomId) {
const mappedRoom = cli.getRoom(mappedRoomId);
if (mappedRoom?.getPendingEvents().length) {
Resend.cancelUnsentEvents(mappedRoom);
}
}
const timeUntilTurnCresExpire = cli.getTurnServersExpiry() - Date.now();
logger.log("Current turn creds expire in " + timeUntilTurnCresExpire + " ms");
const call = cli.createCall(mappedRoomId)!;
try {
this.addCallForRoom(roomId, call);
} catch (e) {
Modal.createDialog(ErrorDialog, {
title: _t("voip|already_in_call"),
description: _t("voip|already_in_call_person"),
});
return;
}
if (transferee) {
this.transferees.set(call.callId, transferee);
}
this.setCallListeners(call);
this.setActiveCallRoomId(roomId);
if (type === CallType.Voice) {
call.placeVoiceCall();
} else if (type === "video") {
call.placeVideoCall();
} else {
logger.error("Unknown conf call type: " + type);
}
}
public async placeCall(roomId: string, type: CallType, transferee?: MatrixCall): Promise<void> {
const cli = MatrixClientPeg.safeGet();
const room = cli.getRoom(roomId);
if (!room) {
logger.error(`Room ${roomId} does not exist.`);
return;
}
// Pause current broadcast, if any
SdkContextClass.instance.voiceBroadcastPlaybacksStore.getCurrent()?.pause();
if (SdkContextClass.instance.voiceBroadcastRecordingsStore.getCurrent()) {
// Do not start a call, if recording a broadcast
showCantStartACallDialog();
return;
}
// We might be using managed hybrid widgets
if (isManagedHybridWidgetEnabled(room)) {
await addManagedHybridWidget(room);
return;
}
// if the runtime env doesn't do VoIP, whine.
if (!cli.supportsVoip()) {
Modal.createDialog(ErrorDialog, {
title: _t("voip|unsupported"),
description: _t("voip|unsupported_browser"),
});
return;
}
if (cli.getSyncState() === SyncState.Error) {
Modal.createDialog(ErrorDialog, {
title: _t("voip|connection_lost"),
description: _t("voip|connection_lost_description"),
});
return;
}
// don't allow > 2 calls to be placed.
if (this.getAllActiveCalls().length > 1) {
Modal.createDialog(ErrorDialog, {
title: _t("voip|too_many_calls"),
description: _t("voip|too_many_calls_description"),
});
return;
}
// We leave the check for whether there's already a call in this room until later,
// otherwise it can race.
const members = getJoinedNonFunctionalMembers(room);
if (members.length <= 1) {
Modal.createDialog(ErrorDialog, {
description: _t("voip|cannot_call_yourself_description"),
});
} else if (members.length === 2 && !Jitsi.getInstance().useFor1To1Calls) {
logger.info(`Place ${type} call in ${roomId}`);
await this.placeMatrixCall(roomId, type, transferee);
} else {
// > 2 || useFor1To1Calls
await this.placeJitsiCall(roomId, type);
}
}
public hangupAllCalls(): void {
for (const call of this.calls.values()) {
this.stopRingingIfPossible(call.callId);
call.hangup(CallErrorCode.UserHangup, false);
}
}
public hangupOrReject(roomId: string, reject?: boolean): void {
const call = this.calls.get(roomId);
// no call to hangup
if (!call) return;
this.stopRingingIfPossible(call.callId);
if (reject) {
call.reject();
} else {
call.hangup(CallErrorCode.UserHangup, false);
}
// don't remove the call yet: let the hangup event handler do it (otherwise it will throw
// the hangup event away)
}
public answerCall(roomId: string): void {
// no call to answer
if (!this.calls.has(roomId)) return;
const call = this.calls.get(roomId)!;
this.stopRingingIfPossible(call.callId);
if (this.getAllActiveCalls().length > 1) {
Modal.createDialog(ErrorDialog, {
title: _t("voip|too_many_calls"),
description: _t("voip|too_many_calls_description"),
});
return;
}
call.answer();
this.setActiveCallRoomId(roomId);
dis.dispatch<ViewRoomPayload>({
action: Action.ViewRoom,
room_id: roomId,
metricsTrigger: "WebAcceptCall",
});
}
private stopRingingIfPossible(callId: string): void {
this.silencedCalls.delete(callId);
if (this.areAnyCallsUnsilenced()) return;
this.pause(AudioID.Ring);
}
public async dialNumber(number: string, transferee?: MatrixCall): Promise<void> {
const results = await this.pstnLookup(number);
if (!results || results.length === 0 || !results[0].userid) {
Modal.createDialog(ErrorDialog, {
title: _t("voip|msisdn_lookup_failed"),
description: _t("voip|msisdn_lookup_failed_description"),
});
return;
}
const userId = results[0].userid;
// Now check to see if this is a virtual user, in which case we should find the
// native user
let nativeUserId;
if (this.getSupportsVirtualRooms()) {
const nativeLookupResults = await this.sipNativeLookup(userId);
const lookupSuccess = nativeLookupResults.length > 0 && nativeLookupResults[0].fields.lookup_success;
nativeUserId = lookupSuccess ? nativeLookupResults[0].userid : userId;
logger.log("Looked up " + number + " to " + userId + " and mapped to native user " + nativeUserId);
} else {
nativeUserId = userId;
}
const roomId = await ensureDMExists(MatrixClientPeg.safeGet(), nativeUserId);
if (!roomId) {
throw new Error("Failed to ensure DM exists for dialing number");
}
dis.dispatch<ViewRoomPayload>({
action: Action.ViewRoom,
room_id: roomId,
metricsTrigger: "WebDialPad",
});
await this.placeMatrixCall(roomId, CallType.Voice, transferee);
}
public async startTransferToPhoneNumber(
call: MatrixCall,
destination: string,
consultFirst: boolean,
): Promise<void> {
if (consultFirst) {
// if we're consulting, we just start by placing a call to the transfer
// target (passing the transferee so the actual transfer can happen later)
this.dialNumber(destination, call);
return;
}
const results = await this.pstnLookup(destination);
if (!results || results.length === 0 || !results[0].userid) {
Modal.createDialog(ErrorDialog, {
title: _t("voip|msisdn_transfer_failed"),
description: _t("voip|msisdn_lookup_failed_description"),
});
return;
}
await this.startTransferToMatrixID(call, results[0].userid, consultFirst);
}
public async startTransferToMatrixID(call: MatrixCall, destination: string, consultFirst: boolean): Promise<void> {
if (consultFirst) {
const dmRoomId = await ensureDMExists(MatrixClientPeg.safeGet(), destination);
if (!dmRoomId) {
logger.log("Failed to transfer call, could not ensure dm exists");
Modal.createDialog(ErrorDialog, {
title: _t("voip|transfer_failed"),
description: _t("voip|transfer_failed_description"),
});
return;
}
this.placeCall(dmRoomId, call.type, call);
dis.dispatch<ViewRoomPayload>({
action: Action.ViewRoom,
room_id: dmRoomId,
should_peek: false,
joining: false,
metricsTrigger: undefined, // other
});
} else {
try {
await call.transfer(destination);
} catch (e) {
logger.log("Failed to transfer call", e);
Modal.createDialog(ErrorDialog, {
title: _t("voip|transfer_failed"),
description: _t("voip|transfer_failed_description"),
});
}
}
}
public setActiveCallRoomId(activeCallRoomId: string): void {
logger.info("Setting call in room " + activeCallRoomId + " active");
for (const [roomId, call] of this.calls.entries()) {
if (call.state === CallState.Ended) continue;
if (roomId === activeCallRoomId) {
call.setRemoteOnHold(false);
} else {
logger.info("Holding call in room " + roomId + " because another call is being set active");
call.setRemoteOnHold(true);
}
}
}
/**
* @returns true if we are currently in any call where we haven't put the remote party on hold
*/
public hasAnyUnheldCall(): boolean {
for (const call of this.calls.values()) {
if (call.state === CallState.Ended) continue;
if (!call.isRemoteOnHold()) return true;
}
return false;
}
private async placeJitsiCall(roomId: string, type: CallType): Promise<void> {
const client = MatrixClientPeg.safeGet();
logger.info(`Place conference call in ${roomId}`);
dis.dispatch({ action: "appsDrawer", show: true });
// Prevent double clicking the call button
const widget = WidgetStore.instance.getApps(roomId).find((app) => WidgetType.JITSI.matches(app.type));
if (widget) {
// If there already is a Jitsi widget, pin it
const room = client.getRoom(roomId);
if (isNotNull(room)) {
WidgetLayoutStore.instance.moveToContainer(room, widget, Container.Top);
}
return;
}
try {
await WidgetUtils.addJitsiWidget(client, roomId, type, "Jitsi", false);
logger.log("Jitsi widget added");
} catch (e) {
if (e instanceof MatrixError && e.errcode === "M_FORBIDDEN") {
Modal.createDialog(ErrorDialog, {
title: _t("voip|no_permission_conference"),
description: _t("voip|no_permission_conference_description"),
});
}
logger.error(e);
}
}
public hangupCallApp(roomId: string): void {
logger.info("Leaving conference call in " + roomId);
const roomInfo = WidgetStore.instance.getRoom(roomId);
if (!roomInfo) return; // "should never happen" clauses go here
const jitsiWidgets = roomInfo.widgets.filter((w) => WidgetType.JITSI.matches(w.type));
jitsiWidgets.forEach((w) => {
const messaging = WidgetMessagingStore.instance.getMessagingForUid(WidgetUtils.getWidgetUid(w));
if (!messaging) return; // more "should never happen" words
messaging.transport.send(ElementWidgetActions.HangupCall, {});
});
}
/*
* Shows the transfer dialog for a call, signalling to the other end that
* a transfer is about to happen
*/
public showTransferDialog(call: MatrixCall): void {
call.setRemoteOnHold(true);
dis.dispatch<OpenInviteDialogPayload>({
action: Action.OpenInviteDialog,
kind: InviteKind.CallTransfer,
call,
analyticsName: "Transfer Call",
className: "mx_InviteDialog_transferWrapper",
onFinishedCallback: (results) => {
if (results.length === 0 || results[0] === false) {
call.setRemoteOnHold(false);
}
},
});
}
private addCallForRoom(roomId: string, call: MatrixCall, changedRooms = false): void {
if (this.calls.has(roomId)) {
logger.log(`Couldn't add call to room ${roomId}: already have a call for this room`);
throw new Error("Already have a call for room " + roomId);
}
logger.log("setting call for room " + roomId);
this.calls.set(roomId, call);
// Should we always emit CallsChanged too?
if (changedRooms) {
this.emit(LegacyCallHandlerEvent.CallChangeRoom, call);
} else {
this.emit(LegacyCallHandlerEvent.CallsChanged, this.calls);
}
}
}