120 lines
3.8 KiB
JavaScript
120 lines
3.8 KiB
JavaScript
/*
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Copyright 2023 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 * as RustSdkCryptoJs from "@matrix-org/matrix-sdk-crypto-wasm";
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import { Device, DeviceVerification } from "../models/device.js";
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/**
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* Convert a {@link RustSdkCryptoJs.Device} to a {@link Device}
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* @param device - Rust Sdk device
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* @param userId - owner of the device
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*
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* @internal
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*/
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export function rustDeviceToJsDevice(device, userId) {
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// Copy rust device keys to Device.keys
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const keys = new Map();
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for (const [keyId, key] of device.keys.entries()) {
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keys.set(keyId.toString(), key.toBase64());
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}
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// Compute verified from device state
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let verified = DeviceVerification.Unverified;
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if (device.isBlacklisted()) {
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verified = DeviceVerification.Blocked;
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} else if (device.isVerified()) {
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verified = DeviceVerification.Verified;
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}
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// Convert rust signatures to Device.signatures
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const signatures = new Map();
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const mayBeSignatureMap = device.signatures.get(userId);
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if (mayBeSignatureMap) {
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const convertedSignatures = new Map();
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// Convert maybeSignatures map to a Map<string, string>
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for (const [key, value] of mayBeSignatureMap.entries()) {
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if (value.isValid() && value.signature) {
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convertedSignatures.set(key, value.signature.toBase64());
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}
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}
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signatures.set(userId.toString(), convertedSignatures);
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}
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// Convert rust algorithms to algorithms
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const rustAlgorithms = device.algorithms;
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// Use set to ensure that algorithms are not duplicated
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const algorithms = new Set();
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rustAlgorithms.forEach(algorithm => {
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switch (algorithm) {
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case RustSdkCryptoJs.EncryptionAlgorithm.MegolmV1AesSha2:
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algorithms.add("m.megolm.v1.aes-sha2");
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break;
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case RustSdkCryptoJs.EncryptionAlgorithm.OlmV1Curve25519AesSha2:
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default:
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algorithms.add("m.olm.v1.curve25519-aes-sha2");
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break;
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}
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});
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return new Device({
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deviceId: device.deviceId.toString(),
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userId: userId.toString(),
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keys,
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algorithms: Array.from(algorithms),
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verified,
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signatures,
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displayName: device.displayName,
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dehydrated: device.isDehydrated
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});
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}
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/**
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* Convert {@link DeviceKeys} from `/keys/query` request to a `Map<string, Device>`
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* @param deviceKeys - Device keys object to convert
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*
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* @internal
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*/
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export function deviceKeysToDeviceMap(deviceKeys) {
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return new Map(Object.entries(deviceKeys).map(([deviceId, device]) => [deviceId, downloadDeviceToJsDevice(device)]));
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}
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// Device from `/keys/query` request
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/**
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* Convert `/keys/query` {@link QueryDevice} device to {@link Device}
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* @param device - Device from `/keys/query` request
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*
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* @internal
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*/
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export function downloadDeviceToJsDevice(device) {
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const keys = new Map(Object.entries(device.keys));
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const displayName = device.unsigned?.device_display_name;
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const signatures = new Map();
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if (device.signatures) {
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// oxlint-disable-next-line guard-for-in
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for (const userId in device.signatures) {
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signatures.set(userId, new Map(Object.entries(device.signatures[userId])));
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}
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}
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return new Device({
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deviceId: device.device_id,
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userId: device.user_id,
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keys,
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algorithms: device.algorithms,
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verified: DeviceVerification.Unverified,
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signatures,
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displayName
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});
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}
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//# sourceMappingURL=device-converter.js.map
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