113 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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class ActivityPub::Activity
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  include JsonLdHelper
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  def initialize(json, account, **options)
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    @json    = json
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    @account = account
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    @object  = @json['object']
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    @options = options
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  end
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  def perform
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    raise NotImplementedError
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  end
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  class << self
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    def factory(json, account, **options)
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      @json = json
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      klass&.new(json, account, options)
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    end
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    private
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    def klass
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      case @json['type']
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      when 'Create'
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        ActivityPub::Activity::Create
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      when 'Announce'
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        ActivityPub::Activity::Announce
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      when 'Delete'
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        ActivityPub::Activity::Delete
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      when 'Follow'
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        ActivityPub::Activity::Follow
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      when 'Like'
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        ActivityPub::Activity::Like
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      when 'Block'
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        ActivityPub::Activity::Block
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      when 'Update'
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        ActivityPub::Activity::Update
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      when 'Undo'
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        ActivityPub::Activity::Undo
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      when 'Accept'
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        ActivityPub::Activity::Accept
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      when 'Reject'
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        ActivityPub::Activity::Reject
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      end
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    end
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  end
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  protected
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  def status_from_uri(uri)
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    ActivityPub::TagManager.instance.uri_to_resource(uri, Status)
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  end
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  def account_from_uri(uri)
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    ActivityPub::TagManager.instance.uri_to_resource(uri, Account)
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  end
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  def object_uri
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    @object_uri ||= value_or_id(@object)
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  end
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  def redis
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    Redis.current
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  end
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  def distribute(status)
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    crawl_links(status)
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    # Only continue if the status is supposed to have
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    # arrived in real-time
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    return unless @options[:override_timestamps]
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    notify_about_reblog(status) if reblog_of_local_account?(status)
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    notify_about_mentions(status)
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    distribute_to_followers(status)
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  end
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  def reblog_of_local_account?(status)
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    status.reblog? && status.reblog.account.local?
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  end
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  def notify_about_reblog(status)
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    NotifyService.new.call(status.reblog.account, status)
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  end
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  def notify_about_mentions(status)
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    status.mentions.includes(:account).each do |mention|
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      next unless mention.account.local? && audience_includes?(mention.account)
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      NotifyService.new.call(mention.account, mention)
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    end
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  end
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  def crawl_links(status)
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    return if status.spoiler_text?
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    LinkCrawlWorker.perform_async(status.id)
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  end
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  def distribute_to_followers(status)
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    ::DistributionWorker.perform_async(status.id)
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  end
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  def delete_arrived_first?(uri)
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    redis.exists("delete_upon_arrival:#{@account.id}:#{uri}")
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  end
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  def delete_later!(uri)
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    redis.setex("delete_upon_arrival:#{@account.id}:#{uri}", 6.hours.seconds, uri)
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  end
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end
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