mirror of https://codeberg.org/pzp/pzp-hub.git
72 lines
1.6 KiB
JavaScript
72 lines
1.6 KiB
JavaScript
const Crypto = require('node:crypto')
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const Path = require('node:path')
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const AtomicFileRW = require('atomic-file-rw')
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const Base58 = require('bs58')
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class Tokens {
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static #filePath
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/**
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* @type {Set<string>}
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*/
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static #set
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static #loaded = false
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static #save(cb) {
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const json = JSON.stringify([...this.#set])
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AtomicFileRW.writeFile(this.#filePath, json, cb)
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}
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static load(parentPath) {
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if (this.#loaded) return
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this.#filePath = Path.join(parentPath, 'members.json')
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this.#set = new Set()
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AtomicFileRW.readFile(this.#filePath, (err, buf) => {
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if (err) {
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if (err.code === 'ENOENT') {
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this.#loaded = true
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} else {
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console.warn('Problem loading members file:', err)
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}
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return
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}
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const json = typeof buf === 'string' ? buf : buf.toString('utf-8')
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const arr = JSON.parse(json)
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for (const token of arr) {
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this.#set.add(token)
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}
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this.#loaded = true
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})
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}
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/**
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* @param {string} token
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* @returns {boolean}
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*/
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static has(token) {
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if (!this.#loaded) {
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throw new Error('Members not loaded yet, cannot call has()')
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}
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return this.#set.has(token)
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}
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static create() {
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if (!this.#loaded) {
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throw new Error('Members not loaded yet, cannot call create()')
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}
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let token
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do {
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token = Base58.encode(Crypto.randomBytes(32))
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} while (this.#set.has(token))
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this.#set.add(token)
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this.#save((err, _) => {
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if (err) console.warn('Problem saving members file:', err)
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})
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return token
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}
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}
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module.exports = Tokens
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