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105 lines
3.4 KiB
TypeScript
105 lines
3.4 KiB
TypeScript
/*
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Copyright 2020 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 SdkConfig from "../SdkConfig";
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import {MatrixClientPeg} from "../MatrixClientPeg";
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const JITSI_WK_PROPERTY = "im.vector.riot.jitsi";
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export interface JitsiWidgetData {
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conferenceId: string;
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isAudioOnly: boolean;
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domain: string;
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}
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export class Jitsi {
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private static instance: Jitsi;
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private domain: string;
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public get preferredDomain(): string {
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return this.domain || 'jitsi.riot.im';
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}
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/**
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* Checks for auth needed by looking up a well-known file
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*
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* If the file does not exist, we assume no auth.
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*
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* See https://github.com/matrix-org/prosody-mod-auth-matrix-user-verification
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*/
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public async getJitsiAuth(): Promise<string|null> {
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if (!this.preferredDomain) {
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return null;
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}
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let data;
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try {
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const response = await fetch(`https://${this.preferredDomain}/.well-known/element/jitsi`);
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data = await response.json();
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} catch (error) {
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return null;
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}
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if (data.auth) {
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return data.auth;
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}
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return null;
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}
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public start() {
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const cli = MatrixClientPeg.get();
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cli.on("WellKnown.client", this.update);
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// call update initially in case we missed the first WellKnown.client event and for if no well-known present
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this.update(cli.getClientWellKnown());
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}
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private update = async (discoveryResponse): Promise<any> => {
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// Start with a default of the config's domain
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let domain = (SdkConfig.get()['jitsi'] || {})['preferredDomain'] || 'jitsi.riot.im';
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console.log("Attempting to get Jitsi conference information from homeserver");
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if (discoveryResponse && discoveryResponse[JITSI_WK_PROPERTY]) {
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const wkPreferredDomain = discoveryResponse[JITSI_WK_PROPERTY]['preferredDomain'];
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if (wkPreferredDomain) domain = wkPreferredDomain;
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}
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// Put the result into memory for us to use later
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this.domain = domain;
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console.log("Jitsi conference domain:", this.preferredDomain);
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};
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/**
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* Parses the given URL into the data needed for a Jitsi widget, if the widget
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* URL matches the preferredDomain for the app.
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* @param {string} url The URL to parse.
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* @returns {JitsiWidgetData} The widget data if eligible, otherwise null.
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*/
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public parsePreferredConferenceUrl(url: string): JitsiWidgetData {
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const parsed = new URL(url);
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if (parsed.hostname !== this.preferredDomain) return null; // invalid
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return {
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conferenceId: parsed.pathname,
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domain: parsed.hostname,
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isAudioOnly: false,
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};
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}
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public static getInstance(): Jitsi {
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if (!Jitsi.instance) {
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Jitsi.instance = new Jitsi();
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}
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return Jitsi.instance;
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}
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}
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