91 lines
3.6 KiB
TypeScript
91 lines
3.6 KiB
TypeScript
/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React, { forwardRef, useContext } from 'react';
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import { MatrixEvent } from "matrix-js-sdk/src/models/event";
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import { IRoomEncryption } from "matrix-js-sdk/src/crypto/RoomList";
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import { _t } from '../../../languageHandler';
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import { MatrixClientPeg } from '../../../MatrixClientPeg';
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import EventTileBubble from "./EventTileBubble";
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import MatrixClientContext from "../../../contexts/MatrixClientContext";
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import DMRoomMap from "../../../utils/DMRoomMap";
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import { objectHasDiff } from "../../../utils/objects";
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import { isLocalRoom } from '../../../utils/localRoom/isLocalRoom';
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interface IProps {
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mxEvent: MatrixEvent;
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timestamp?: JSX.Element;
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}
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const ALGORITHM = "m.megolm.v1.aes-sha2";
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const EncryptionEvent = forwardRef<HTMLDivElement, IProps>(({ mxEvent, timestamp }, ref) => {
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const cli = useContext(MatrixClientContext);
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const roomId = mxEvent.getRoomId();
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const isRoomEncrypted = MatrixClientPeg.get().isRoomEncrypted(roomId);
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const prevContent = mxEvent.getPrevContent() as IRoomEncryption;
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const content = mxEvent.getContent<IRoomEncryption>();
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// if no change happened then skip rendering this, a shallow check is enough as all known fields are top-level.
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if (!objectHasDiff(prevContent, content)) return null; // nop
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if (content.algorithm === ALGORITHM && isRoomEncrypted) {
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let subtitle: string;
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const dmPartner = DMRoomMap.shared().getUserIdForRoomId(roomId);
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const room = cli?.getRoom(roomId);
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if (prevContent.algorithm === ALGORITHM) {
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subtitle = _t("Some encryption parameters have been changed.");
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} else if (dmPartner) {
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const displayName = room.getMember(dmPartner)?.rawDisplayName || dmPartner;
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subtitle = _t("Messages here are end-to-end encrypted. " +
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"Verify %(displayName)s in their profile - tap on their avatar.", { displayName });
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} else if (isLocalRoom(room)) {
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subtitle = _t("Messages in this chat will be end-to-end encrypted.");
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} else {
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subtitle = _t("Messages in this room are end-to-end encrypted. " +
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"When people join, you can verify them in their profile, just tap on their avatar.");
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}
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return <EventTileBubble
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className="mx_cryptoEvent mx_cryptoEvent_icon"
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title={_t("Encryption enabled")}
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subtitle={subtitle}
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timestamp={timestamp}
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/>;
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}
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if (isRoomEncrypted) {
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return <EventTileBubble
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className="mx_cryptoEvent mx_cryptoEvent_icon"
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title={_t("Encryption enabled")}
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subtitle={_t("Ignored attempt to disable encryption")}
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timestamp={timestamp}
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/>;
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}
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return <EventTileBubble
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className="mx_cryptoEvent mx_cryptoEvent_icon mx_cryptoEvent_icon_warning"
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title={_t("Encryption not enabled")}
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subtitle={_t("The encryption used by this room isn't supported.")}
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ref={ref}
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timestamp={timestamp}
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/>;
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});
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export default EncryptionEvent;
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