* Make host_meta/webfinger replies cacheable (fixes #6100) Drop common code for handling users and sessions as webfinger queries are very basic, public APIs. Also explicitly mark results as cacheable with “expires_in”. * Add “Vary: Accept” header for caching since content-negociation is used
		
			
				
	
	
		
			44 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| module WellKnown
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|   class WebfingerController < ActionController::Base
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|     include RoutingHelper
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| 
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|     before_action { response.headers['Vary'] = 'Accept' }
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| 
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|     def show
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|       @account = Account.find_local!(username_from_resource)
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| 
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|       respond_to do |format|
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|         format.any(:json, :html) do
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|           render json: @account, serializer: WebfingerSerializer, content_type: 'application/jrd+json'
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|         end
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| 
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|         format.xml do
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|           render content_type: 'application/xrd+xml'
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|         end
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|       end
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| 
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|       expires_in(3.days, public: true)
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|     rescue ActiveRecord::RecordNotFound
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|       head 404
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|     end
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| 
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|     private
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| 
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|     def username_from_resource
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|       resource_user = resource_param
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| 
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|       username, domain = resource_user.split('@')
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|       if Rails.configuration.x.alternate_domains.include?(domain)
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|         resource_user = "#{username}@#{Rails.configuration.x.local_domain}"
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|       end
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| 
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|       WebfingerResource.new(resource_user).username
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|     end
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| 
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|     def resource_param
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|       params.require(:resource)
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|     end
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|   end
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| end
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