feat: create add machine page

lib/new-admin/graphql/schema.js

@@ -16,6 +16,7 @@ const transactions = require('../transactions')
 const funding = require('../funding')
 const supervisor = require('../supervisor')
 const serverLogs = require('../server-logs')
+const pairing = require('../pairing')
 const { accounts, coins, countries, currencies, languages } = require('../config')
 
 // TODO why does server logs messages can be null?
@@ -186,6 +187,7 @@ const typeDefs = gql`
     machineSupportLogs(deviceId: ID!): SupportLogsResponse
     serverSupportLogs: SupportLogsResponse
     saveConfig(config: JSONObject): JSONObject
+    createPairingTotem(name: String!): String
   }
 `
 
@@ -215,6 +217,7 @@ const resolvers = {
   Mutation: {
     machineAction: (...[, { deviceId, action }]) => machineAction({ deviceId, action }),
     machineSupportLogs: (...[, { deviceId }]) => supportLogs.insert(deviceId),
+    createPairingTotem: (...[, { name }]) => pairing.totem(name),
     serverSupportLogs: () => serverLogs.insert(),
     saveConfig: (...[, { config }]) => settingsLoader.saveConfig(config)
       .then(it => {

lib/new-admin/pairing.js

@@ -0,0 +1,33 @@
+const fs = require('fs')
+const pify = require('pify')
+const readFile = pify(fs.readFile)
+const crypto = require('crypto')
+const baseX = require('base-x')
+
+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) {
+  const caPath = options.caPath
+
+  return readFile(caPath)
+    .then(data => {
+      const caHash = crypto.createHash('sha256').update(data).digest()
+      const token = crypto.randomBytes(32)
+      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 }