forked from FoundKeyGang/FoundKey
62 lines
1.5 KiB
TypeScript
62 lines
1.5 KiB
TypeScript
import push from 'web-push';
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import { db } from '@/db/postgre.js';
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import { Meta } from '@/models/entities/meta.js';
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import { getFetchInstanceMetadataLock } from '@/misc/app-lock.js';
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let cache: Meta;
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/**
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* Performs the primitive database operation to set the server configuration
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*/
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export async function setMeta(meta: Meta): Promise<void> {
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const unlock = await getFetchInstanceMetadataLock('localhost');
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// try to mitigate older bugs where multiple meta entries may have been created
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await db.manager.clear(Meta);
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await db.manager.insert(Meta, meta);
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cache = meta;
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unlock();
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}
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/**
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* Performs the primitive database operation to fetch server configuration.
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* If there is no entry yet, inserts a new one.
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* Writes to `cache` instead of returning.
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*/
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async function getMeta(): Promise<void> {
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const unlock = await getFetchInstanceMetadataLock('localhost');
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// new IDs are prioritised because multiple records may have been created due to past bugs
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let metas = await db.manager.find(Meta, {
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order: {
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id: 'DESC',
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},
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});
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if (metas.length === 0) {
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const { publicKey, privateKey } = push.generateVAPIDKeys();
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await db.manager.insert(Meta, {
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id: 'x',
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swPublicKey: publicKey,
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swPrivateKey: privateKey,
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});
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metas = await db.manager.find(Meta, {
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order: {
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id: 'DESC',
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},
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});
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}
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cache = metas[0];
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unlock();
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}
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export async function fetchMeta(noCache = false): Promise<Meta> {
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if (!noCache && cache) return cache;
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await getMeta();
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return cache;
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}
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