| 1 | 'use strict'
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| 2 |
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| 3 | const ulid = require('ulid')
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| 4 |
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| 5 | class TokenService {
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| 6 | constructor () {
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| 7 | this.tokens = {}
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| 8 | }
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| 9 |
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| 10 | generate (domain, data = {}) {
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| 11 | const token = ulid()
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| 12 | this.tokens[domain] = this.tokens[domain] || {}
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| 13 |
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| 14 | const value = {
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| 15 | exp: new Date(Date.now() + 20 * 60 * 1000)
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| 16 | }
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| 17 | this.tokens[domain][token] = Object.assign({}, value, data)
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| 18 |
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| 19 | return token
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| 20 | }
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| 21 |
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| 22 | verify (domain, token) {
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| 23 | const now = new Date()
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| 24 |
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| 25 | if (!this.tokens[domain]) {
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| 26 | throw new Error(`Invalid domain for tokens: ${domain}`)
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| 27 | }
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| 28 |
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| 29 | let tokenValue = this.tokens[domain][token]
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| 30 |
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| 31 | if (tokenValue && now < tokenValue.exp) {
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| 32 | return tokenValue
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| 33 | } else {
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| 34 | return false
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| 35 | }
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| 36 | }
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| 37 |
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| 38 | remove (domain, token) {
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| 39 | if (!this.tokens[domain]) {
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| 40 | throw new Error(`Invalid domain for tokens: ${domain}`)
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| 41 | }
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| 42 |
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| 43 | delete this.tokens[domain][token]
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| 44 | }
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| 45 | }
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| 46 |
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| 47 | module.exports = TokenService
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