84 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
| # frozen_string_literal: true
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| 
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| class RemoteFollow
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|   include ActiveModel::Validations
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|   include RoutingHelper
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|   include WebfingerHelper
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| 
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|   attr_accessor :acct, :addressable_template
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| 
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|   validates :acct, presence: true, domain: { acct: true }
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| 
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|   def initialize(attrs = {})
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|     @acct = normalize_acct(attrs[:acct])
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|   end
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| 
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|   def valid?
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|     return false unless super
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| 
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|     fetch_template!
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| 
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|     errors.empty?
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|   end
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| 
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|   def subscribe_address_for(account)
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|     addressable_template.expand(uri: ActivityPub::TagManager.instance.uri_for(account)).to_s
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|   end
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| 
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|   def interact_address_for(status)
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|     addressable_template.expand(uri: ActivityPub::TagManager.instance.uri_for(status)).to_s
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|   end
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| 
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|   private
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| 
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|   def normalize_acct(value)
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|     return if value.blank?
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| 
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|     username, domain = value.strip.gsub(/\A@/, '').split('@')
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| 
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|     domain = begin
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|       if TagManager.instance.local_domain?(domain)
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|         nil
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|       else
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|         TagManager.instance.normalize_domain(domain)
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|       end
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|     end
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| 
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|     [username, domain].compact.join('@')
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|   rescue Addressable::URI::InvalidURIError
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|     value
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|   end
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| 
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|   def fetch_template!
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|     return missing_resource_error if acct.blank?
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| 
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|     _, domain = acct.split('@')
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| 
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|     if domain.nil?
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|       @addressable_template = Addressable::Template.new("#{authorize_interaction_url}?uri={uri}")
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|     elsif redirect_url_link.nil? || redirect_url_link.template.nil?
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|       missing_resource_error
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|     else
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|       @addressable_template = Addressable::Template.new(redirect_uri_template)
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|     end
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|   end
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| 
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|   def redirect_uri_template
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|     redirect_url_link.template
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|   end
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| 
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|   def redirect_url_link
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|     acct_resource&.link('http://ostatus.org/schema/1.0/subscribe')
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|   end
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| 
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|   def acct_resource
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|     @acct_resource ||= webfinger!("acct:#{acct}")
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|   rescue Goldfinger::Error, HTTP::ConnectionError
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|     nil
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|   end
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| 
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|   def missing_resource_error
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|     errors.add(:acct, I18n.t('remote_follow.missing_resource'))
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|   end
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| end
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