Class: Adash::WaitIndefinitely

Inherits:
Object
  • Object
show all
Defined in:
lib/adash/wait_indefinitely.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(device_model, serial, is_test: false) ⇒ WaitIndefinitely

Returns a new instance of WaitIndefinitely.



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# File 'lib/adash/wait_indefinitely.rb', line 11

def initialize(device_model, serial, is_test: false)
  require 'webrick'
  @device_model = device_model
  @serial = serial
  @is_test = is_test
  @redirect_uri = "http://localhost:#{Adash::Config.redirect_port}/"
  @code_box = Queue.new
  @code_cv = ConditionVariable.new
  @code_mutex = Mutex.new
  @server = WEBrick::HTTPServer.new({ :BindAddress => '127.0.0.1', :Port => Adash::Config.redirect_port })
  @server.mount_proc('/getting_started', proc { |req, res|
    res.content_type = 'text/html'
    content = %Q`<p>Please go to <a href="#{ERB::Util.html_escape(amazon_authorization_url(@device_model, @serial))}">initial tour</a>.</p>`
    res.body = render(content)
  })
  @server.mount_proc('/', proc { |req, res|
    res.content_type = 'text/html'
    if req.query.include?('code')
      content = '<p>Done. Please close this tab.</p>'
      @code_mutex.synchronize {
        @code_box.push(req.query['code'].to_s)
        @code_cv.signal
      }
    else
      content = "<dl>\n" + req.query.map { |k, v| "<dt>#{k}</dt><dd>#{v}</dd>" }.join("\n") + "\n</dl>"
    end
    res.body = render(content)
  })
end

Instance Attribute Details

#redirect_uri ⇒ Object (readonly)

Returns the value of attribute redirect_uri.



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# File 'lib/adash/wait_indefinitely.rb', line 9

def redirect_uri
  @redirect_uri
end

Instance Method Details

#amazon_authorization_url(device_model, serial) ⇒ Object 



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# File 'lib/adash/wait_indefinitely.rb', line 54

def amazon_authorization_url(device_model, serial)
  base = 'https://www.amazon.com/ap/oa?'
  params = {
    client_id: Adash::Config.client_id,
    scope: 'dash:replenish',
    response_type: 'code',
    # redirect_uri must exact-match with escaped it when access_token is requested
    redirect_uri: URI.encode_www_form_component(@redirect_uri),
    scope_data: %Q`{"dash:replenish":{"device_model":"#{device_model}","serial":"#{serial}"#{ ',"is_test_device":true' if @is_test }}}`
  }
  "#{base}#{params.map{ |k, v| "#{k}=#{v}" }.join(?&)}"
end

#get_code ⇒ Object 



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# File 'lib/adash/wait_indefinitely.rb', line 67

def get_code
  t = Thread.new do
    @code_mutex.synchronize {
      # TODO: wait for WEBrick launch
      Launchy.open("http://localhost:#{Adash::Config.redirect_port}/getting_started")
      while @code_box.size == 0
        @code_cv.wait(@code_mutex)
        sleep 1
        @server.shutdown
      end
    }
  end
  @server.start
  @code_box.pop
end

#render(content) ⇒ Object 



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# File 'lib/adash/wait_indefinitely.rb', line 41

def render(content)
  <<~EOH
  <html>
    <head>
      <meta name="referrer" content="no-referrer" />
    </head>
    <body>
      #{content}
    </body>
  </html>
  EOH
end

#shutdown ⇒ Object 



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# File 'lib/adash/wait_indefinitely.rb', line 83

def shutdown
  @server.shutdown
end