check for typos in config file

check-oauth-yaml.js

#!/usr/bin/env node

// Run this script after editing ./fxa/yaml/type/fxa.fxa_oauth.prod.yaml or
// ./fxa/yaml/type/fxa.fxa_oauth.stage.yaml and fix any typos before
// committing changes.

var assert = require('assert')
var fs = require('fs')

var yaml 
try { 
  yaml = require('js-yaml')
} catch(e) {
  console.log("You need to do `npm install js-yaml` to use this script")
}


var file = process.argv[2]
if (!file) {
  console.log('Usage:', process.argv[1], '/path/to/yaml/file')
  process.exit(1)
}

function errorExit() {
  console.log('*** Checks failed ***')
  process.exit(1)
}

var expectedKeys = [
  "id",
  "name",
  "imageUri",
  "redirectUri",
  "termsUri",
  "privacyUri",
  "canGrant",
  "trusted",
  "hashedSecret"
].sort()

var clients = yaml.safeLoad(fs.readFileSync(file, 'utf8'))['fxa_oauth::clients']

var ids = {}
clients.forEach(function(client) {
  var name = client.name
  assert.ok(name, 'client has a name')
  var id = client.id
  assert.ok(name, 'client has an id')
  console.log('Checking entry for', id, "/", name)

  if (ids[id]) {
    console.log('Duplicate client id', id)
    errorExit()
  }
  ids[id] = 1

  var keys = Object.keys(client).sort()

  if (keys.length !== expectedKeys.length) {
    console.log('Unexpected number of keys')
    console.log('Got:', keys.join(','))
    console.log('Exp:', expectedKeys.join(','))
    errorExit()
  }

  if (keys.join(',') !== expectedKeys.join(',')) {
    console.log('Key names do not match. Possible typo in key?')
    console.log('Got:', keys.join(','))
    console.log('Exp:', expectedKeys.join(','))
    errorExit()
  }

  if (!client.id.match(/^[a-f0-9]{16}$/)) {
    console.log(client.name, ': "id" must be 16 hexadecimal characters!')
    errorExit()
  }

  if (!client.hashedSecret.match(/^[a-f0-9]{64}$/)) {
    console.log(client.name, ': "hashedSecret" must be 64 hexadecimal characters!')
    errorExit()
  }
})

console.log('Checks passed OK.')
process.exit(0)