lamassu-server/lib/new-admin/services/pairing.js
2022-02-08 18:21:02 +00:00

41 lines
1.3 KiB
JavaScript

const _ = require('lodash/fp')
const fs = require('fs')
const pify = require('pify')
const readFile = pify(fs.readFile)
const crypto = require('crypto')
const baseX = require('base-x')
const { parse, NIL } = require('uuid')
const options = require('../../options')
const db = require('../../db')
const pairing = require('../../pairing')
const ALPHA_BASE = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:'
const bsAlpha = baseX(ALPHA_BASE)
const unpair = pairing.unpair
function totem (name, operatorId = null) {
const operatorBuffer = _.flow(
_.map(it => it.toString(16).padStart(2, '0')),
_.join(''),
op => Buffer.from(op, 'hex')
)(operatorId ? [...parse(operatorId)] : [])
const caPath = options.caPath
return readFile(caPath)
.then(data => {
const caHash = crypto.createHash('sha256').update(data).digest()
const token = Buffer.concat([crypto.randomBytes(32), operatorBuffer])
const hexToken = token.toString('hex')
const caHexToken = crypto.createHash('sha256').update(hexToken).digest('hex')
const buf = Buffer.concat([caHash, token, Buffer.from(options.hostname)])
const sql = 'insert into pairing_tokens (token, name) values ($1, $3), ($2, $3)'
return db.none(sql, [hexToken, caHexToken, name])
.then(() => bsAlpha.encode(buf))
})
}
module.exports = { totem, unpair }