UPN QR to N26 and Toshl

README.md

If you want this: https://twitter.com/MihaRekar/status/989459455233359873

You need:

1. A server where this app will run. Even Raspberry Pi Zero works.
2. Workflow that reads QR code, and calls the server with all your private data (username, password, pin): https://workflow.is/workflows/b613dbc8ab484155b5d0c74c508b7ded
3. ruby run.rb running on the server
4. …
5. Profit

Want to know more about the magic numbers?

https://www.upn-qr.si/uploads/files/Tehnicni%20standard%20UPN%20QR.pdf

Gemfile

# frozen_string_literal: true

source 'https://rubygems.org'

gem 'sinatra'
gem 'twentysix'

run.rb

# frozen_string_literal: true

require 'sinatra'
require 'twentysix'

set :bind, '0.0.0.0'

TOSHL_TAGS = {
  'SI56610000007233637' => [32338697, 32338696], # Terca stroski
  'SI56610000005275886' => [32338697, 31463354], # Terca sklad
  'SI56051008013558749' => [31553594, 31463358], # T-2
  'SI56290000055197804' => [31558007, 31463357], # Telemach
  'SI56029220012973357' => [31558007, 31463357], # Telemach
  'SI56011008493106536' => [31496147], # RTV
  'SI56290000155731029' => [31735355, 31463356] # GEN-i
}.freeze

post '/pay' do
  qr = params['qr'].split("\r\n")

  @amount = qr[8].to_i / 100.0
  @iban = qr[14]
  @reference = qr[15]
  @name = qr[16]

  client = TwentySix::Core.authenticate(params['username'], params['password'])
  client.create_transfer(params['pin'], @name, @iban, '', @amount, @reference)

  HTTParty.post(
    'https://api.toshl.com/entries',
    body: toshl_params.to_json,
    headers: {
      'Content-Type' => 'application/json',
      'Authorization' => 'Bearer xxxx' # Get your personal Toshl token here: https://developer.toshl.com/apps/
    }
  )

  'Done'
end

def toshl_params
  {
    amount: - @amount,
    currency: { code: 'EUR' },
    date: Time.now.strftime('%F'),
    account: '2924479',
    category: '56232306',
    tags: TOSHL_TAGS.fetch(@iban, [])
  }
end