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drop duplicate reactions in send queue, as last measure of defence

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This commit is contained in:
Bruno Windels 2021-06-24 13:25:58 +02:00
parent 38b465cb9d
commit 668c0aff36
1 changed files with 34 additions and 7 deletions
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37
src/matrix/room/sending/SendQueue.js
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@ -19,7 +19,7 @@ import {ConnectionError} from "../../error.js";
import {PendingEvent, SendStatus} from "./PendingEvent.js";
import {makeTxnId, isTxnId} from "../../common.js";
import {REDACTION_TYPE} from "../common.js";
import {getRelationFromContent, REACTION_TYPE} from "../timeline/relations.js";
import {getRelationFromContent, REACTION_TYPE, ANNOTATION_RELATION_TYPE} from "../timeline/relations.js";
export class SendQueue {
constructor({roomId, storage, hsApi, pendingEvents}) {
@ -205,10 +205,23 @@ export class SendQueue {
async enqueueEvent(eventType, content, attachments, log) {
const relation = getRelationFromContent(content);
let relatedTxnId = null;
if (relation && isTxnId(relation.event_id)) {
if (relation) {
if (isTxnId(relation.event_id)) {
relatedTxnId = relation.event_id;
relation.event_id = null;
}
if (relation.rel_type === ANNOTATION_RELATION_TYPE) {
const isAlreadyAnnotating = this._pendingEvents.array.some(pe => {
const r = getRelationFromContent(pe.content);
return pe.eventType === eventType && r && r.key === relation.key &&
(pe.relatedTxnId === relatedTxnId || r.event_id === relation.event_id);
});
if (isAlreadyAnnotating) {
log.set("already_annotating", true);
return;
}
}
}
await this._enqueueEvent(eventType, content, attachments, relatedTxnId, null, log);
}
@ -226,11 +239,11 @@ export class SendQueue {
}
async enqueueRedaction(eventIdOrTxnId, reason, log) {
const existingRedaction = this._pendingEvents.array.find(pe => {
const isAlreadyRedacting = this._pendingEvents.array.some(pe => {
return pe.eventType === REDACTION_TYPE &&
(pe.relatedTxnId === eventIdOrTxnId || pe.relatedEventId === eventIdOrTxnId);
});
if (existingRedaction) {
if (isAlreadyRedacting) {
log.set("already_redacting", true);
return;
}
@ -340,6 +353,7 @@ import {ListObserver} from "../../../mocks/ListObserver.js";
import {NullLogger, NullLogItem} from "../../../logging/NullLogger.js";
import {createEvent, withTextBody, withTxnId} from "../../../mocks/event.js";
import {poll} from "../../../mocks/poll.js";
import {createAnnotation} from "../timeline/relations.js";
export function tests() {
const logger = new NullLogger();
@ -413,6 +427,19 @@ export function tests() {
assert.equal(queue.pendingEvents.length, 1);
await queue.enqueueRedaction("!event", null, new NullLogItem());
assert.equal(queue.pendingEvents.length, 1);
}
},
"duplicate reaction gets dropped": async assert => {
const queue = new SendQueue({
roomId: "!abc",
storage: await createMockStorage(),
hsApi: new MockHomeServer().api
});
assert.equal(queue.pendingEvents.length, 0);
await queue.enqueueEvent("m.reaction", createAnnotation("!target", "🚀"), null, new NullLogItem());
assert.equal(queue.pendingEvents.length, 1);
await queue.enqueueEvent("m.reaction", createAnnotation("!target", "🚀"), null, new NullLogItem());
assert.equal(queue.pendingEvents.length, 1);
},
}
}