52 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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class Api::SubscriptionsController < Api::BaseController
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  before_action :set_account
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  respond_to :txt
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  def show
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    if subscription.valid?(params['hub.topic'])
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      @account.update(subscription_expires_at: future_expires)
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      render plain: encoded_challenge, status: 200
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    else
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      head 404
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    end
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  end
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  def update
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    if subscription.verify(body, request.headers['HTTP_X_HUB_SIGNATURE'])
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      ProcessingWorker.perform_async(@account.id, body.force_encoding('UTF-8'))
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    end
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    head 200
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  end
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  private
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  def subscription
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    @_subscription ||= @account.subscription(
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      api_subscription_url(@account.id)
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    )
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  end
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  def body
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    @_body ||= request.body.read
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  end
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  def encoded_challenge
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    HTMLEntities.new.encode(params['hub.challenge'])
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  end
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  def future_expires
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    Time.now.utc + lease_seconds_or_default
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  end
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  def lease_seconds_or_default
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    (params['hub.lease_seconds'] || 86_400).to_i.seconds
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  end
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  def set_account
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    @account = Account.find(params[:id])
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  end
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end
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