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93 lines
2.8 KiB
TypeScript
93 lines
2.8 KiB
TypeScript
import _ from 'lodash';
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import { SignalService } from '../protobuf';
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import { TTL_DEFAULT } from '../session/constants';
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import { SNodeAPI } from '../session/apis/snode_api';
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import { CallManager, UserUtils } from '../session/utils';
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import { removeFromCache } from './cache';
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import { EnvelopePlus } from './types';
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export async function handleCallMessage(
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envelope: EnvelopePlus,
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callMessage: SignalService.CallMessage
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) {
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const sender = envelope.senderIdentity || envelope.source;
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const currentOffset = SNodeAPI.getLatestTimestampOffset();
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const sentTimestamp = _.toNumber(envelope.timestamp);
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const { type } = callMessage;
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// we just allow self send of ANSWER message to remove the incoming call dialog when we accepted it from another device
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if (
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sender === UserUtils.getOurPubKeyStrFromCache() &&
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callMessage.type !== SignalService.CallMessage.Type.ANSWER &&
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callMessage.type !== SignalService.CallMessage.Type.END_CALL
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) {
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window.log.info('Dropping incoming call from ourself');
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await removeFromCache(envelope);
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return;
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}
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if (CallManager.isCallRejected(callMessage.uuid)) {
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await removeFromCache(envelope);
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window.log.info(`Dropping already rejected call from this device ${callMessage.uuid}`);
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return;
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}
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if (type === SignalService.CallMessage.Type.PROVISIONAL_ANSWER) {
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await removeFromCache(envelope);
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window.log.info('Skipping callMessage PROVISIONAL_ANSWER');
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return;
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}
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if (type === SignalService.CallMessage.Type.PRE_OFFER) {
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await removeFromCache(envelope);
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window.log.info('Skipping callMessage PRE_OFFER');
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return;
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}
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if (type === SignalService.CallMessage.Type.OFFER) {
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if (Math.max(sentTimestamp - (Date.now() - currentOffset)) > TTL_DEFAULT.CALL_MESSAGE) {
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window?.log?.info('Dropping incoming OFFER callMessage sent a while ago: ', sentTimestamp);
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await removeFromCache(envelope);
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return;
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}
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await removeFromCache(envelope);
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await CallManager.handleCallTypeOffer(sender, callMessage, sentTimestamp);
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return;
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}
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if (type === SignalService.CallMessage.Type.END_CALL) {
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await removeFromCache(envelope);
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await CallManager.handleCallTypeEndCall(sender, callMessage.uuid);
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return;
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}
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if (type === SignalService.CallMessage.Type.ANSWER) {
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await removeFromCache(envelope);
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await CallManager.handleCallTypeAnswer(sender, callMessage, sentTimestamp);
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return;
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}
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if (type === SignalService.CallMessage.Type.ICE_CANDIDATES) {
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await removeFromCache(envelope);
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await CallManager.handleCallTypeIceCandidates(sender, callMessage, sentTimestamp);
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return;
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}
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await removeFromCache(envelope);
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// if this another type of call message, just add it to the manager
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await CallManager.handleOtherCallTypes(sender, callMessage, sentTimestamp);
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}
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