77 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| class ActivityPub::Activity::Announce < ActivityPub::Activity
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|   def perform
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|     return reject_payload! if delete_arrived_first?(@json['id']) || !related_to_local_activity?
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| 
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|     RedisLock.acquire(lock_options) do |lock|
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|       if lock.acquired?
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|         original_status = status_from_object
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| 
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|         return reject_payload! if original_status.nil? || !announceable?(original_status)
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| 
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|         @status = Status.find_by(account: @account, reblog: original_status)
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| 
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|         return @status unless @status.nil?
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| 
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|         @status = Status.create!(
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|           account: @account,
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|           reblog: original_status,
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|           uri: @json['id'],
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|           created_at: @json['published'],
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|           override_timestamps: @options[:override_timestamps],
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|           visibility: visibility_from_audience
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|         )
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| 
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|         distribute(@status)
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|       else
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|         raise Mastodon::RaceConditionError
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|       end
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|     end
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| 
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|     @status
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|   end
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| 
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|   private
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| 
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|   def audience_to
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|     as_array(@json['to']).map { |x| value_or_id(x) }
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|   end
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| 
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|   def audience_cc
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|     as_array(@json['cc']).map { |x| value_or_id(x) }
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|   end
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| 
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|   def visibility_from_audience
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|     if audience_to.include?(ActivityPub::TagManager::COLLECTIONS[:public])
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|       :public
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|     elsif audience_cc.include?(ActivityPub::TagManager::COLLECTIONS[:public])
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|       :unlisted
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|     elsif audience_to.include?(@account.followers_url)
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|       :private
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|     else
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|       :direct
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|     end
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|   end
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| 
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|   def announceable?(status)
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|     status.account_id == @account.id || status.distributable?
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|   end
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| 
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|   def related_to_local_activity?
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|     followed_by_local_accounts? || requested_through_relay? || reblog_of_local_status?
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|   end
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| 
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|   def requested_through_relay?
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|     super || Relay.find_by(inbox_url: @account.inbox_url)&.enabled?
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|   end
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| 
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|   def reblog_of_local_status?
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|     status_from_uri(object_uri)&.account&.local?
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|   end
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| 
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|   def lock_options
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|     { redis: Redis.current, key: "announce:#{@object['id']}" }
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|   end
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| end
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