73 lines
1.5 KiB
TypeScript
73 lines
1.5 KiB
TypeScript
import { addContextToErr, bytesToHex, hexToBytes } from "@lumeweb/libweb";
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import {
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getLoginComplete,
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getLogoutComplete,
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setLoginComplete,
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setLogoutComplete,
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setUserKey,
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} from "./vars.js";
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import { log, logErr, reloadKernel, sendAuthUpdate } from "./util.js";
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import { loadKernel } from "./kernel.js";
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function handleStorage(event: StorageEvent) {
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if (event.key !== null && event.key !== "key") {
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return;
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}
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if (getLogoutComplete()) {
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reloadKernel();
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return;
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}
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if (event.key === null && getLoginComplete()) {
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return;
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}
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if (event.key === "key" && !getLoginComplete()) {
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let userKey;
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try {
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userKey = getStoredUserKey();
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} catch (e) {
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logErr(addContextToErr(e, "user key could not be fetched"));
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sendAuthUpdate();
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return;
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}
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if (userKey === null) {
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sendAuthUpdate();
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return;
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}
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setUserKey(userKey);
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log("user is now logged in, attempting to load kernel");
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setLoginComplete(true);
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loadKernel();
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sendAuthUpdate();
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return;
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}
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setLogoutComplete(true);
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sendAuthUpdate();
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log("attempting to do a page reload");
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reloadKernel();
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}
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window.addEventListener("storage", handleStorage);
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export function saveUserKey(key: Uint8Array) {
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window.localStorage.setItem("key", bytesToHex(key));
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const event = new StorageEvent("storage", {
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key: "key",
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});
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window.dispatchEvent(event);
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}
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export function getStoredUserKey() {
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const key = window.localStorage.getItem("key");
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if (key) {
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return hexToBytes(key);
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}
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return null;
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}
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