98 lines
2.3 KiB
TypeScript
98 lines
2.3 KiB
TypeScript
import { ErrTuple, KeyPair, Portal } from "#types.js";
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import { Client } from "@lumeweb/libportal";
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import { deriveChildKey } from "#keys.js";
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import { ed25519 } from "@noble/curves/ed25519";
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import { bytesToHex } from "@noble/hashes/utils";
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import COMMUNITY_PORTAL_LIST from "@lumeweb/community-portals";
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let activePortalMasterKey;
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export const DEFAULT_PORTAL_LIST = COMMUNITY_PORTAL_LIST;
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let ACTIVE_PORTALS = new Set<Client>();
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type PortalSessionsStore = { [id: string]: string };
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export function maybeInitDefaultPortals(): ErrTuple {
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if (!activePortalMasterKey) {
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return [null, "activePortalMasterKey not set"];
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}
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for (const portal of DEFAULT_PORTAL_LIST) {
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addActivePortal(initPortal(portal));
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}
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return [null, null];
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}
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export function setActivePortalMasterKey(key: Uint8Array) {
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activePortalMasterKey = key;
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}
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export function generatePortalEmail(portal: Portal) {
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const keyPair = generatePortalKeyPair(portal);
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const userId = bytesToHex(keyPair.publicKey.slice(0, 12));
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return `${userId}@example.com`;
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}
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export function generatePortalKeyPair(portal: Portal): KeyPair {
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const privateKey = deriveChildKey(
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activePortalMasterKey,
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`portal-account:${portal.id}`,
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);
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return {
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privateKey,
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publicKey: ed25519.getPublicKey(privateKey),
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};
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}
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export function getActivePortals(): Client[] {
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return [...ACTIVE_PORTALS];
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}
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export function addActivePortal(portal: Client) {
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ACTIVE_PORTALS.add(portal);
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}
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export function initPortal(portal: Portal): Client {
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const sessions = getPortalSessions();
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let jwt: string | null = null;
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if (sessions) {
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if (portal.id in sessions) {
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jwt = sessions[portal.id];
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}
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}
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return new Client({
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email: generatePortalEmail(portal),
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portalUrl: portal.url,
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privateKey: generatePortalKeyPair(portal).privateKey,
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jwt: jwt as string,
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});
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}
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export function getPortalSessions() {
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if (typeof globalThis.localStorage === "undefined") {
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return undefined;
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}
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let portalSessionsData = globalThis.localStorage.getItem("portals");
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let portalSessions: PortalSessionsStore = {};
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if (portalSessions) {
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portalSessions = JSON.parse(
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portalSessionsData as string,
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) as PortalSessionsStore;
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return portalSessions;
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}
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return undefined;
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}
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export function setActivePortals(portals: Client[]) {
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ACTIVE_PORTALS = new Set<Client>(portals);
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}
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