74 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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class WebfingerResource
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  attr_reader :resource
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  class InvalidRequest < StandardError; end
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  def initialize(resource)
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    @resource = resource
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  end
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  def username
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    case resource
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    when /\Ahttps?/i
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      username_from_url
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    when /\@/
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      username_from_acct
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    else
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      raise InvalidRequest
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    end
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  end
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  private
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  def username_from_url
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    if account_show_page?
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      path_params[:username]
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    elsif instance_actor_page?
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      Rails.configuration.x.local_domain
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    else
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      raise ActiveRecord::RecordNotFound
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    end
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  end
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  def instance_actor_page?
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    path_params[:controller] == 'instance_actors'
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  end
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  def account_show_page?
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    path_params[:controller] == 'accounts' && path_params[:action] == 'show'
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  end
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  def path_params
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    Rails.application.routes.recognize_path(resource)
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  end
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  def username_from_acct
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    if domain_matches_local?
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      local_username
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    else
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      raise ActiveRecord::RecordNotFound
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    end
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  end
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  def split_acct
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    resource_without_acct_string.split('@')
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  end
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  def resource_without_acct_string
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    resource.gsub(/\Aacct:/, '')
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  end
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  def local_username
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    split_acct.first
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  end
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  def local_domain
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    split_acct.last
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  end
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  def domain_matches_local?
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    TagManager.instance.local_domain?(local_domain) || TagManager.instance.web_domain?(local_domain)
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  end
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end
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