David Langley
491f0cd08a
* Copyright headers 1 * Licence headers 2 * Copyright Headers 3 * Copyright Headers 4 * Copyright Headers 5 * Copyright Headers 6 * Copyright headers 7 * Add copyright headers for html and config file * Replace license files and update package.json * Update with CLA * lint
28 lines
1014 B
TypeScript
28 lines
1014 B
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2023 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import { MatrixClient } from "matrix-js-sdk/src/matrix";
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/**
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* Check if one of our own devices is verified via cross signing
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*
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* @param client - reference to the MatrixClient
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* @param deviceId - ID of the device to be checked
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*
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* @returns `null` if the device is unknown or has not published encryption keys; otherwise a boolean
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* indicating whether the device has been cross-signed by a cross-signing key we trust.
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*/
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export const isDeviceVerified = async (client: MatrixClient, deviceId: string): Promise<boolean | null> => {
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const trustLevel = await client.getCrypto()?.getDeviceVerificationStatus(client.getSafeUserId(), deviceId);
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if (!trustLevel) {
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// either no crypto, or an unknown/no-e2e device
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return null;
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}
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return trustLevel.crossSigningVerified;
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};
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