35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
const fs = require('fs')
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const pify = require('pify')
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const readFile = pify(fs.readFile)
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const crypto = require('crypto')
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const baseX = require('base-x')
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const options = require('../options')
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const db = require('../db')
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const ALPHA_BASE = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:'
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const bsAlpha = baseX(ALPHA_BASE)
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function unpair (deviceId) {
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const sql = 'delete from devices where device_id=$1'
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return db.none(sql, [deviceId])
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}
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function totem (hostname, name) {
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const caPath = options.caPath
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return readFile(caPath)
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.then(data => {
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const caHash = crypto.createHash('sha256').update(data).digest()
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const token = crypto.randomBytes(32)
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const hexToken = token.toString('hex')
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const caHexToken = crypto.createHash('sha256').update(hexToken).digest('hex')
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const buf = Buffer.concat([caHash, token, Buffer.from(hostname)])
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const sql = 'insert into pairing_tokens (token, name) values ($1, $3), ($2, $3)'
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return db.none(sql, [hexToken, caHexToken, name])
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.then(() => bsAlpha.encode(buf))
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})
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}
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module.exports = {totem, unpair}
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