| 1 | "use strict"
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| 2 |
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| 3 | const bcrypt = require("bcrypt")
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| 4 | const NUM_ROUNDS = 6
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| 5 |
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| 6 | async function hash(token) {
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| 7 | return await bcrypt.hash(token, NUM_ROUNDS)
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| 8 | }
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| 9 |
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| 10 | async function compare(token, encryptedToken, newHashCallback) {
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| 11 | try {
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| 12 | let res = await bcrypt.compare(token, encryptedToken)
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| 13 | let rounds = bcrypt.getRounds(encryptedToken)
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| 14 |
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| 15 | if (res && newHashCallback && NUM_ROUNDS !== rounds) {
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| 16 | process.nextTick(async () => newHashCallback(await hash(token)))
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| 17 | }
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| 18 |
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| 19 | return res
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| 20 | } catch (e) {
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| 21 | return false
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| 22 | }
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| 23 | }
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| 24 |
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| 25 | function addBcryptCheck(model) {
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| 26 | model.tokens = {}
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| 27 | model.beforeSave(async (self) => {
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| 28 | if(self.token) {
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| 29 | self.encryptedToken = await hash(self.token)
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| 30 | }
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| 31 | })
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| 32 | model.prototype.isValidToken = async function(token) {
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| 33 | if(model.tokens[this.encryptedToken] == token) return true
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| 34 | let res = await compare(token, this.encryptedToken, (newEncryptedToken) => {
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| 35 | this.encryptedToken = newEncryptedToken
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| 36 | this.save()
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| 37 | })
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| 38 | model.tokens[this.encryptedToken] = (res ? token: null)
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| 39 | return res
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| 40 | }
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| 41 | }
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| 42 | module.exports = { hash, compare, addBcryptCheck}
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