DoorBird motion and ring notifications

doorbird.items

Contact Doorbird_Contact "Doorbell" { expire="30s" }

monitor_doorbird.rb

#!/usr/bin/env ruby

require 'net/http'
require 'openssl'
require 'uri'

doorbird_host = "192.168.85.143"
openhab_host = "http://127.0.0.1:8080/"
item_mapping = {
  "doorbell" => "Doorbird_Contact"
}

VALUE_MAPPING = {
  "L" => "CLOSED",
  "H" => "OPEN"
}

doorbird_uri = URI.parse("https://#{doorbird_host}/bha-api/monitor.cgi?ring=doorbell,motionsensor")

doorbird_http = Net::HTTP.new(doorbird_uri.host, doorbird_uri.port)
doorbird_http.use_ssl = true
doorbird_http.verify_mode = OpenSSL::SSL::VERIFY_NONE

request = Net::HTTP::Get.new(doorbird_uri.request_uri)
request.basic_auth("user", "password")

doorbird_http.request(request) do |response|
  content_type_header = response['Content-Type']
  content_type, content_type_params_string = content_type_header.split('; ', 2)
  raise "Unknown response content type #{content_type}" unless content_type == "multipart/x-mixed-replace"
  content_type_params = content_type_params_string.split(",").map { |x| x.split('=', 2) }.to_h
  boundary = content_type_params['boundary']
  raise "No boundary" unless boundary
  
  response.read_body do |chunk|
    chunk.split("#{boundary}\r\n").each do |line|
      next if line.empty?
      io = Net::BufferedIO.new(StringIO.new("HTTP 200 OK\r\n#{line}"))
      sub_response = Net::HTTPResponse.read_new(io)
      body =  sub_response.reading_body(io, true) { sub_response.body }
      attribute, value = body.strip.split(":", 2)

      next unless VALUE_MAPPING.key?(value)
      item = item_mapping[attribute]
      next unless item

      openhab_uri = URI.parse("#{openhab_host}rest/items/#{item}/state")
puts "doing request to #{openhab_uri}"
      openhab_http = Net::HTTP.new(openhab_uri.host, openhab_uri.port)
      openhab_request = Net::HTTP::Put.new(openhab_uri.request_uri)
      openhab_request.body = VALUE_MAPPING[value]
      openhab_request.content_type = 'text/plain'
      openhab_response = openhab_http.request(openhab_request)
      puts openhab_response.code
      puts openhab_response['Location']
    end    
  end
end

monitor_doorbird.service

[Unit]
Description=Monitor Doorbird

[Service]
User=cody
ExecStart=/var/lib/openhab2/monitor_doorbird.rb
Restart=always
RestartSec=3s

[Install]
WantedBy=multi-user.target