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Don't let users accidentally redact ACL events

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Fixes https://github.com/vector-im/element-web/issues/15633
Fixes https://github.com/vector-im/element-web/issues/15632

Slightly more information is in the issues above and in the diff, however the short version is redacting an ACL event can obliterate a room which is bad.
This commit is contained in:
Travis Ralston 2020-11-02 12:55:59 -07:00
parent 294876f062
commit b4de01b1f1
2 changed files with 10 additions and 2 deletions
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6
src/components/views/context_menus/MessageContextMenu.js
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@ -31,6 +31,7 @@ import SettingsStore from '../../../settings/SettingsStore';
import { isUrlPermitted } from '../../../HtmlUtils';
import { isContentActionable } from '../../../utils/EventUtils';
import {MenuItem} from "../../structures/ContextMenu";
import {EventType} from "matrix-js-sdk/src/@types/event";
function canCancel(eventStatus) {
return eventStatus === EventStatus.QUEUED || eventStatus === EventStatus.NOT_SENT;
@ -72,7 +73,10 @@ export default class MessageContextMenu extends React.Component {
const cli = MatrixClientPeg.get();
const room = cli.getRoom(this.props.mxEvent.getRoomId());
const canRedact = room.currentState.maySendRedactionForEvent(this.props.mxEvent, cli.credentials.userId);
// We explicitly decline to show the redact option on ACL events as it has a potential
// to obliterate the room - https://github.com/matrix-org/synapse/issues/4042
const canRedact = room.currentState.maySendRedactionForEvent(this.props.mxEvent, cli.credentials.userId)
&& this.props.mxEvent.getType() !== EventType.RoomServerAcl;
let canPin = room.currentState.mayClientSendStateEvent('m.room.pinned_events', cli);
// HACK: Intentionally say we can't pin if the user doesn't want to use the functionality