cinny/src/util/matrixUtil.js
Ajay Bura a83aecaa69 Full UIAA implement (#93), #32, #146, #64, #102
Signed-off-by: Ajay Bura <ajbura@gmail.com>
2021-11-06 15:15:35 +05:30

86 lines
2.5 KiB
JavaScript

import initMatrix from '../client/initMatrix';
const WELL_KNOWN_URI = '/.well-known/matrix/client';
async function getBaseUrl(servername) {
let protocol = 'https://';
if (servername.match(/^https?:\/\//) !== null) protocol = '';
const serverDiscoveryUrl = `${protocol}${servername}${WELL_KNOWN_URI}`;
try {
const result = await (await fetch(serverDiscoveryUrl, { method: 'GET' })).json();
const baseUrl = result?.['m.homeserver']?.base_url;
if (baseUrl === undefined) throw new Error();
return baseUrl;
} catch (e) {
throw new Error(`${protocol}${servername}`);
}
}
function getUsername(userId) {
const mx = initMatrix.matrixClient;
const user = mx.getUser(userId);
if (user === null) return userId;
let username = user.displayName;
if (typeof username === 'undefined') {
username = userId;
}
return username;
}
function getUsernameOfRoomMember(roomMember) {
return roomMember.name || roomMember.userId;
}
async function isRoomAliasAvailable(alias) {
try {
const myUserId = initMatrix.matrixClient.getUserId();
const myServer = myUserId.slice(myUserId.indexOf(':') + 1);
const result = await initMatrix.matrixClient.resolveRoomAlias(alias);
const aliasIsRegisteredOnMyServer = typeof result.servers.find((server) => server === myServer) === 'string';
if (aliasIsRegisteredOnMyServer) return false;
return true;
} catch (e) {
if (e.errcode === 'M_NOT_FOUND') return true;
if (e.errcode === 'M_INVALID_PARAM') throw new Error(e);
return false;
}
}
function doesRoomHaveUnread(room) {
const userId = initMatrix.matrixClient.getUserId();
const readUpToId = room.getEventReadUpTo(userId);
const supportEvents = ['m.room.message', 'm.room.encrypted', 'm.sticker'];
if (room.timeline.length
&& room.timeline[room.timeline.length - 1].sender
&& room.timeline[room.timeline.length - 1].sender.userId === userId
&& room.timeline[room.timeline.length - 1].getType() !== 'm.room.member') {
return false;
}
for (let i = room.timeline.length - 1; i >= 0; i -= 1) {
const event = room.timeline[i];
if (event.getId() === readUpToId) return false;
if (supportEvents.includes(event.getType())) {
return true;
}
}
return true;
}
function getPowerLabel(powerLevel) {
if (powerLevel > 9000) return 'Goku';
if (powerLevel > 100) return 'Founder';
if (powerLevel === 100) return 'Admin';
if (powerLevel >= 50) return 'Mod';
return null;
}
export {
getBaseUrl, getUsername, getUsernameOfRoomMember,
isRoomAliasAvailable, doesRoomHaveUnread, getPowerLabel,
};