Files
shields/core/token-pooling/redis-token-persistence.js
2021-07-09 12:53:55 +01:00

58 lines
1.2 KiB
JavaScript

import { URL } from 'url'
import Redis from 'ioredis'
import log from '../server/log.js'
export default class RedisTokenPersistence {
constructor({ url, key }) {
this.url = url
this.key = key
this.noteTokenAdded = this.noteTokenAdded.bind(this)
this.noteTokenRemoved = this.noteTokenRemoved.bind(this)
}
async initialize() {
const options =
this.url && this.url.startsWith('rediss:')
? {
// https://www.compose.com/articles/ssl-connections-arrive-for-redis-on-compose/
tls: { servername: new URL(this.url).hostname },
}
: undefined
this.redis = new Redis(this.url, options)
this.redis.on('error', e => {
log.error(e)
})
const tokens = await this.redis.smembers(this.key)
return tokens
}
async stop() {
await this.redis.quit()
}
async onTokenAdded(token) {
await this.redis.sadd(this.key, token)
}
async onTokenRemoved(token) {
await this.redis.srem(this.key, token)
}
async noteTokenAdded(token) {
try {
await this.onTokenAdded(token)
} catch (e) {
log.error(e)
}
}
async noteTokenRemoved(token) {
try {
await this.onTokenRemoved(token)
} catch (e) {
log.error(e)
}
}
}