move some pair stuff to lamassu-admin-server

lib/pair.js

@@ -1,26 +1,6 @@
-const fs = require('fs')
-const pify = require('pify')
-const readFile = pify(fs.readFile)
 const path = require('path')
-const crypto = require('crypto')
 const db = require('./db')
 
-const CA_PATH = path.resolve(__dirname, '..', 'ca-cert.pem')
-
-function totem (ipAddress) {
-  return readFile(CA_PATH)
-  .then(data => {
-    const caHash = crypto.createHash('sha256').update(data).digest()
-    const token = crypto.randomBytes(32)
-    const ip = Buffer.from(ipAddress.split('.').map(s => parseInt(s, 10)))
-    const buf = Buffer.concat([ip, caHash, token])
-    const sql = 'insert into pairing_tokens (token) values ($1)'
-
-    return db.none(sql, [token.toString('hex')])
-    .then(() => buf.toString('base64'))
-  })
-}
-
 function pair (token, deviceId) {
   const sql = `delete from pairing_tokens
     where token=$1
@@ -42,4 +22,4 @@ function isPaired (deviceId) {
   .then(() => true)
 }
 
-module.exports = {totem, pair, isPaired}
+module.exports = {totem, pair, unpair, isPaired}