118 lines
3.3 KiB
TypeScript
118 lines
3.3 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 { IOpenIDToken, MatrixClient } from "matrix-js-sdk";
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import { logger } from "matrix-js-sdk/src/logger";
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import { MatrixRTCSession } from "matrix-js-sdk/src/matrixrtc/MatrixRTCSession";
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import { useEffect, useState } from "react";
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import { LivekitFocus } from "./LivekitFocus";
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import { useActiveFocus } from "../room/useActiveFocus";
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export interface SFUConfig {
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url: string;
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jwt: string;
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}
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export function sfuConfigEquals(a?: SFUConfig, b?: SFUConfig): boolean {
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if (a === undefined && b === undefined) return true;
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if (a === undefined || b === undefined) return false;
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return a.jwt === b.jwt && a.url === b.url;
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}
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// The bits we need from MatrixClient
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export type OpenIDClientParts = Pick<
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MatrixClient,
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"getOpenIdToken" | "getDeviceId"
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>;
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export function useOpenIDSFU(
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client: OpenIDClientParts,
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rtcSession: MatrixRTCSession,
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): SFUConfig | undefined {
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const [sfuConfig, setSFUConfig] = useState<SFUConfig | undefined>(undefined);
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const activeFocus = useActiveFocus(rtcSession);
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useEffect(() => {
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(async (): Promise<void> => {
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const sfuConfig = activeFocus
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? await getSFUConfigWithOpenID(client, activeFocus)
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: undefined;
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setSFUConfig(sfuConfig);
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})();
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}, [client, activeFocus]);
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return sfuConfig;
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}
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export async function getSFUConfigWithOpenID(
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client: OpenIDClientParts,
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activeFocus: LivekitFocus,
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): Promise<SFUConfig | undefined> {
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const openIdToken = await client.getOpenIdToken();
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logger.debug("Got openID token", openIdToken);
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try {
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logger.info(
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`Trying to get JWT from call's active focus URL of ${activeFocus.livekit_service_url}...`,
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);
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const sfuConfig = await getLiveKitJWT(
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client,
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activeFocus.livekit_service_url,
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activeFocus.livekit_alias,
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openIdToken,
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);
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logger.info(`Got JWT from call's active focus URL.`);
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return sfuConfig;
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} catch (e) {
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logger.warn(
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`Failed to get JWT from RTC session's active focus URL of ${activeFocus.livekit_service_url}.`,
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e,
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);
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return undefined;
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}
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}
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async function getLiveKitJWT(
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client: OpenIDClientParts,
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livekitServiceURL: string,
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roomName: string,
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openIDToken: IOpenIDToken,
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): Promise<SFUConfig> {
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try {
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const res = await fetch(livekitServiceURL + "/sfu/get", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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room: roomName,
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openid_token: openIDToken,
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device_id: client.getDeviceId(),
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}),
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});
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if (!res.ok) {
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throw new Error("SFU Config fetch failed with status code " + res.status);
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}
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return await res.json();
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} catch (e) {
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throw new Error("SFU Config fetch failed with exception " + e);
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}
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}
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