David Baker
96c6217a83
The key hadn't been extractwed from the URL at the point the modal was mounted, so it just didn't get the key.
92 lines
3.0 KiB
TypeScript
92 lines
3.0 KiB
TypeScript
/*
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Copyright 2023 New Vector Ltd
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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 { useEffect, useMemo } from "react";
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import { useEnableE2EE } from "../settings/useSetting";
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import { useLocalStorage } from "../useLocalStorage";
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import { useClient } from "../ClientContext";
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import { PASSWORD_STRING, useUrlParams } from "../UrlParams";
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import { widget } from "../widget";
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export const getRoomSharedKeyLocalStorageKey = (roomId: string): string =>
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`room-shared-key-${roomId}`;
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const useInternalRoomSharedKey = (
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roomId: string
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): [string | null, (value: string) => void] => {
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const key = useMemo(() => getRoomSharedKeyLocalStorageKey(roomId), [roomId]);
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const [e2eeEnabled] = useEnableE2EE();
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const [roomSharedKey, setRoomSharedKey] = useLocalStorage(key);
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return [e2eeEnabled ? roomSharedKey : null, setRoomSharedKey];
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};
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const useKeyFromUrl = (roomId: string) => {
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const urlParams = useUrlParams();
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const [e2eeSharedKey, setE2EESharedKey] = useInternalRoomSharedKey(roomId);
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useEffect(() => {
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if (!urlParams.password) return;
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if (urlParams.password === "") return;
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if (urlParams.password === e2eeSharedKey) return;
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setE2EESharedKey(urlParams.password);
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}, [urlParams, e2eeSharedKey, setE2EESharedKey]);
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};
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export const useRoomSharedKey = (roomId: string): string | null => {
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// make sure we've extracted the key from the URL first
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useKeyFromUrl(roomId);
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return useInternalRoomSharedKey(roomId)[0];
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};
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export const useManageRoomSharedKey = (roomId: string): string | null => {
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const urlParams = useUrlParams();
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useKeyFromUrl(roomId);
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const [e2eeSharedKey] = useInternalRoomSharedKey(roomId);
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useEffect(() => {
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const hash = location.hash;
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if (!hash.includes("?")) return;
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if (!hash.includes(PASSWORD_STRING)) return;
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if (urlParams.password !== e2eeSharedKey) return;
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const [hashStart, passwordStart] = hash.split(PASSWORD_STRING);
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const hashEnd = passwordStart.split("&")[1];
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location.replace((hashStart ?? "") + (hashEnd ?? ""));
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}, [urlParams, e2eeSharedKey]);
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return e2eeSharedKey;
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};
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export const useIsRoomE2EE = (roomId: string): boolean | null => {
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const { client } = useClient();
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const room = useMemo(() => client?.getRoom(roomId) ?? null, [roomId, client]);
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// For now, rooms in widget mode are never considered encrypted.
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// In the future, when widget mode gains encryption support, then perhaps we
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// should inspect the e2eEnabled URL parameter here?
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return useMemo(
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() => widget === null && (room === null || !room.getCanonicalAlias()),
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[room]
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);
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};
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