element-web/src/utils/device/isDeviceVerified.ts

37 lines
1.3 KiB
TypeScript

/*
Copyright 2023 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import { MatrixClient } from "matrix-js-sdk/src/matrix";
/**
* Check if one of our own devices is verified via cross signing
*
* @param client - reference to the MatrixClient
* @param deviceId - ID of the device to be checked
*
* @returns `true` if the device has been correctly cross-signed. `false` if the device is unknown or not correctly
* cross-signed. `null` if there was an error fetching the device info.
*/
export const isDeviceVerified = (client: MatrixClient, deviceId: string): boolean | null => {
try {
const trustLevel = client.checkDeviceTrust(client.getSafeUserId(), deviceId);
return trustLevel.isCrossSigningVerified();
} catch (e) {
console.error("Error getting device cross-signing info", e);
return null;
}
};