Also the other files

src/livekit/openIDSFU.ts

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+/*
+Copyright 2023 New Vector Ltd
+
+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";
+import { logger } from "matrix-js-sdk/src/logger";
+
+import { Config } from "../config/Config";
+
+export interface SFUConfig {
+  url: string;
+  jwt: string;
+}
+
+export async function getSFUConfigWithOpenID(
+  client: MatrixClient,
+  roomName: string
+): Promise<SFUConfig> {
+  const openIdToken = await client.getOpenIdToken();
+  logger.debug("Got openID token", openIdToken);
+
+  const livekitCfg = Config.get().livekit;
+
+  if (!livekitCfg?.livekit_service_url) {
+    throw new Error("No livekit service URL defined");
+  }
+
+  const res = await fetch(livekitCfg.livekit_service_url + "/sfu/get", {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify({
+      room: roomName,
+      openid_token: openIdToken,
+      remove_me_user_id: client.getUserId(), // the service will get this from the openid request
+      device_id: client.getDeviceId(),
+    }),
+  });
+  if (res.status / 100 !== 2) {
+    throw new Error("SFO Config fetch failed with status code " + res.status);
+  }
+  const sfuConfig = await res.json();
+
+  return sfuConfig;
+}