channelapi.rb

class FakeApp < Sinatra::Base
  set :raise_errors, false
  set :show_exceptions, false
  set :dump_errors, false
  #set :logging, true
  
  post '/start' do
    secret_key = "your secret"
    payload = JSON.parse(params[:payload])
    if(Digest::SHA1.hexdigest(params[:payload]+secret_key) == params[:signature])
      "123ABCD"
    else
      401
    end
  end
  
  post "/finish" do
    secret_key = "your secret"
    payload = JSON.parse(params[:payload])
    if(Digest::SHA1.hexdigest(params[:payload]+secret_key) == params[:signature])
      "OK"
    else
      401
    end
  end
  
  error(401) do
    "Couldn't do it, secret key didn't work"
  end
  
  not_found do
    "Nothing here..."
  end
  
  error do
    "Bummer Man! #{env['sinatra.error'].message}"
  end
end