89 lines
2.3 KiB
TypeScript
89 lines
2.3 KiB
TypeScript
/*
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* Copyright (C) Sapphirecode - All Rights Reserved
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* This file is part of Auth-Server-Helper which is released under MIT.
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* See file 'LICENSE' for full license details.
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* Created by Timo Hocker <timo@scode.ovh>, August 2022
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*/
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import IORedis from 'ioredis';
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import { debug } from './debug';
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import { LabelledKey } from './Key';
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const logger = debug ('redis');
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export class Redis {
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private _redis: IORedis | null = null;
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public connect (url: string): void {
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const log = logger.extend ('connect');
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log ('connecting to redis instance %s', url);
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if (this._redis !== null) {
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log ('disconnecting existing redis client');
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this.disconnect ();
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}
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this._redis = new IORedis (url);
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this._redis.on ('connect', () => {
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log ('connected');
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});
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this._redis.on ('ready', () => {
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log ('ready');
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});
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this._redis.on ('error', (err) => {
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log ('error %o', err);
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});
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this._redis.on ('reconnecting', () => {
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log ('reconnecting');
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});
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this._redis.on ('end', () => {
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log ('connection ended');
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});
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}
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public disconnect (): void {
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const log = logger.extend ('disconnect');
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log ('disconnecting redis client');
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if (this._redis === null) {
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log ('redis is inactive, skipping');
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return;
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}
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this._redis.quit ();
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this._redis = null;
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log ('done');
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}
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public async set_key (key: LabelledKey): Promise<void> {
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const log = logger.extend ('set_key');
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log ('trying to set key %s to redis', key.index);
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if (this._redis === null) {
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log ('redis is inactive, skipping');
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return;
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}
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const valid_for = Math.floor (
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(key.valid_until - (new Date)
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.getTime ()) / 1000
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);
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log ('key is valid for %d seconds', valid_for);
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await this._redis.setex (key.index, valid_for, JSON.stringify (key));
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log ('saved key');
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}
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public async get_key (index: string): Promise<LabelledKey | null> {
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const log = logger.extend ('get_key');
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log ('trying to get key %s from redis', index);
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if (this._redis === null) {
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log ('redis is inactive, skipping');
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return null;
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}
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const res = await this._redis.get (index);
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if (res === null) {
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log ('key not found in redis');
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return null;
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}
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log ('key found');
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return JSON.parse (res);
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}
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}
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export const redis = (new Redis);
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