260 lines
7.3 KiB
Ruby
260 lines
7.3 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::Activity::Create < ActivityPub::Activity
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SUPPORTED_TYPES = %w(Article Note).freeze
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CONVERTED_TYPES = %w(Image Video).freeze
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def perform
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return if delete_arrived_first?(object_uri) || unsupported_object_type?
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RedisLock.acquire(lock_options) do |lock|
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if lock.acquired?
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@status = find_existing_status
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process_status if @status.nil?
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end
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end
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@status
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end
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private
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def process_status
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media_attachments = process_attachments
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ApplicationRecord.transaction do
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@status = Status.create!(status_params)
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process_tags(@status)
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attach_media(@status, media_attachments)
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end
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resolve_thread(@status)
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distribute(@status)
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forward_for_reply if @status.public_visibility? || @status.unlisted_visibility?
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end
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def find_existing_status
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status = status_from_uri(object_uri)
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status ||= Status.find_by(uri: @object['atomUri']) if @object['atomUri'].present?
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status
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end
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def status_params
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{
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uri: @object['id'],
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url: object_url || @object['id'],
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account: @account,
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text: text_from_content || '',
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language: detected_language,
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spoiler_text: @object['summary'] || '',
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created_at: @options[:override_timestamps] ? nil : @object['published'],
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reply: @object['inReplyTo'].present?,
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sensitive: @object['sensitive'] || false,
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visibility: visibility_from_audience,
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thread: replied_to_status,
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conversation: conversation_from_uri(@object['conversation']),
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}
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end
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def process_tags(status)
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return if @object['tag'].nil?
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as_array(@object['tag']).each do |tag|
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case tag['type']
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when 'Hashtag'
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process_hashtag tag, status
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when 'Mention'
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process_mention tag, status
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when 'Emoji'
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process_emoji tag, status
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end
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end
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end
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def process_hashtag(tag, status)
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return if tag['name'].blank?
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hashtag = tag['name'].gsub(/\A#/, '').mb_chars.downcase
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hashtag = Tag.where(name: hashtag).first_or_initialize(name: hashtag)
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status.tags << hashtag
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end
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def process_mention(tag, status)
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return if tag['href'].blank?
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account = account_from_uri(tag['href'])
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account = FetchRemoteAccountService.new.call(tag['href'], id: false) if account.nil?
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return if account.nil?
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account.mentions.create(status: status)
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end
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def process_emoji(tag, _status)
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return if skip_download?
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return if tag['name'].blank? || tag['icon'].blank? || tag['icon']['url'].blank?
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shortcode = tag['name'].delete(':')
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image_url = tag['icon']['url']
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uri = tag['id']
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updated = tag['updated']
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emoji = CustomEmoji.find_by(shortcode: shortcode, domain: @account.domain)
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return unless emoji.nil? || emoji.updated_at >= updated
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emoji ||= CustomEmoji.new(domain: @account.domain, shortcode: shortcode, uri: uri)
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emoji.image_remote_url = image_url
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emoji.save
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end
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def process_attachments
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return if @object['attachment'].nil?
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media_attachments = []
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as_array(@object['attachment']).each do |attachment|
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next if unsupported_media_type?(attachment['mediaType']) || attachment['url'].blank?
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href = Addressable::URI.parse(attachment['url']).normalize.to_s
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media_attachment = MediaAttachment.create(account: @account, remote_url: href, description: attachment['name'].presence)
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media_attachments << media_attachment
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next if skip_download?
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media_attachment.file_remote_url = href
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media_attachment.save
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end
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media_attachments
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rescue Addressable::URI::InvalidURIError => e
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Rails.logger.debug e
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media_attachments
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end
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def attach_media(status, media_attachments)
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return if media_attachments.blank?
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media = MediaAttachment.where(status_id: nil, id: media_attachments.take(4).map(&:id))
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media.update(status_id: status.id)
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end
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def resolve_thread(status)
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return unless status.reply? && status.thread.nil?
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ThreadResolveWorker.perform_async(status.id, in_reply_to_uri)
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end
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def conversation_from_uri(uri)
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return nil if uri.nil?
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return Conversation.find_by(id: OStatus::TagManager.instance.unique_tag_to_local_id(uri, 'Conversation')) if OStatus::TagManager.instance.local_id?(uri)
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Conversation.find_by(uri: uri) || Conversation.create(uri: uri)
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end
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def visibility_from_audience
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if equals_or_includes?(@object['to'], ActivityPub::TagManager::COLLECTIONS[:public])
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:public
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elsif equals_or_includes?(@object['cc'], ActivityPub::TagManager::COLLECTIONS[:public])
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:unlisted
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elsif equals_or_includes?(@object['to'], @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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def audience_includes?(account)
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uri = ActivityPub::TagManager.instance.uri_for(account)
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equals_or_includes?(@object['to'], uri) || equals_or_includes?(@object['cc'], uri)
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end
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def replied_to_status
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return @replied_to_status if defined?(@replied_to_status)
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if in_reply_to_uri.blank?
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@replied_to_status = nil
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else
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@replied_to_status = status_from_uri(in_reply_to_uri)
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@replied_to_status ||= status_from_uri(@object['inReplyToAtomUri']) if @object['inReplyToAtomUri'].present?
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@replied_to_status
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end
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end
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def in_reply_to_uri
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value_or_id(@object['inReplyTo'])
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end
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def text_from_content
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return Formatter.instance.linkify([text_from_name, object_url || @object['id']].join(' ')) if converted_object_type?
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if @object['content'].present?
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@object['content']
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elsif content_language_map?
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@object['contentMap'].values.first
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end
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end
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def text_from_name
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if @object['name'].present?
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@object['name']
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elsif name_language_map?
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@object['nameMap'].values.first
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end
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end
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def detected_language
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if content_language_map?
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@object['contentMap'].keys.first
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elsif name_language_map?
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@object['nameMap'].keys.first
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elsif supported_object_type?
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LanguageDetector.instance.detect(text_from_content, @account)
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end
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end
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def object_url
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return if @object['url'].blank?
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url_to_href(@object['url'], 'text/html')
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end
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def content_language_map?
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@object['contentMap'].is_a?(Hash) && !@object['contentMap'].empty?
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end
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def name_language_map?
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@object['nameMap'].is_a?(Hash) && !@object['nameMap'].empty?
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end
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def unsupported_object_type?
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@object.is_a?(String) || !(supported_object_type? || converted_object_type?)
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end
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def unsupported_media_type?(mime_type)
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mime_type.present? && !(MediaAttachment::IMAGE_MIME_TYPES + MediaAttachment::VIDEO_MIME_TYPES).include?(mime_type)
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end
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def supported_object_type?
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SUPPORTED_TYPES.include?(@object['type'])
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end
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def converted_object_type?
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CONVERTED_TYPES.include?(@object['type'])
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end
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def skip_download?
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return @skip_download if defined?(@skip_download)
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@skip_download ||= DomainBlock.find_by(domain: @account.domain)&.reject_media?
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end
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def reply_to_local?
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!replied_to_status.nil? && replied_to_status.account.local?
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end
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def forward_for_reply
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return unless @json['signature'].present? && reply_to_local?
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ActivityPub::RawDistributionWorker.perform_async(Oj.dump(@json), replied_to_status.account_id, [@account.preferred_inbox_url])
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end
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def lock_options
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{ redis: Redis.current, key: "create:#{@object['id']}" }
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end
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end
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