Files
blap/src/utils/crypto/deviceInfo.ts
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David Langley 69ee8fd96a Change License: AGPL + Element Commercial (#28856)
* Add commercial licence and update config files

* Update license in headers

* Revert "Update license in headers"

This reverts commit 7ed7949485e88889a9ffc8075a9df1f8e936777e.

* Update only spdx id

* Remove LicenseRef- from package.json

LicenseRef- no longer allowed in npm v3 package.json
This fixes the warning in the logs and failing build check.
2025-01-06 11:18:54 +00:00

60 lines
1.8 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2023 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE files in the repository root for full details.
*/
import { Device, MatrixClient } from "matrix-js-sdk/src/matrix";
/**
* Get crypto information on a specific device.
*
* Only devices with Crypto support are returned. If the MatrixClient doesn't support cryptography, `undefined` is
* returned.
*
* @param client - Matrix Client.
* @param userId - ID of the user owning the device.
* @param deviceId - ID of the device.
* @param downloadUncached - If true, download the device list for users whose device list we are not
* currently tracking. Defaults to false.
*
* @returns Information on the device if it is known.
*/
export async function getDeviceCryptoInfo(
client: MatrixClient,
userId: string,
deviceId: string,
downloadUncached?: boolean,
): Promise<Device | undefined> {
const crypto = client.getCrypto();
if (!crypto) {
// no crypto support, no device.
return undefined;
}
const deviceMap = await crypto.getUserDeviceInfo([userId], downloadUncached);
return deviceMap.get(userId)?.get(deviceId);
}
/**
* Get the IDs of the given user's devices.
*
* Only devices with Crypto support are returned. If the MatrixClient doesn't support cryptography, an empty Set is
* returned.
*
* @param client - Matrix Client.
* @param userId - ID of the user to query.
*/
export async function getUserDeviceIds(client: MatrixClient, userId: string): Promise<Set<string>> {
const crypto = client.getCrypto();
if (!crypto) {
return new Set();
}
const deviceMap = await crypto.getUserDeviceInfo([userId]);
return new Set(deviceMap.get(userId)?.keys() ?? []);
}