- # frozen_string_literal: true
-
- class OStatus::Activity::Creation < OStatus::Activity::Base
- def perform
- if redis.exists("delete_upon_arrival:#{@account.id}:#{id}")
- Rails.logger.debug "Delete for status #{id} was queued, ignoring"
- return [nil, false]
- end
-
- return [nil, false] if @account.suspended?
-
- if activitypub_uri? && [:public, :unlisted].include?(visibility_scope)
- result = perform_via_activitypub
- return result if result.first.present?
- end
-
- Rails.logger.debug "Creating remote status #{id}"
-
- # Return early if status already exists in db
- status = find_status(id)
-
- return [status, false] unless status.nil?
-
- cached_reblog = reblog
-
- ApplicationRecord.transaction do
- status = Status.create!(
- uri: id,
- url: url,
- account: @account,
- reblog: cached_reblog,
- text: content,
- spoiler_text: content_warning,
- created_at: published,
- reply: thread?,
- language: content_language,
- visibility: visibility_scope,
- conversation: find_or_create_conversation,
- thread: thread? ? find_status(thread.first) || find_activitypub_status(thread.first, thread.second) : nil
- )
-
- save_mentions(status)
- save_hashtags(status)
- save_media(status)
- save_emojis(status)
- end
-
- if thread? && status.thread.nil?
- Rails.logger.debug "Trying to attach #{status.id} (#{id}) to #{thread.first}"
- ThreadResolveWorker.perform_async(status.id, thread.second)
- end
-
- Rails.logger.debug "Queuing remote status #{status.id} (#{id}) for distribution"
-
- LinkCrawlWorker.perform_async(status.id) unless status.spoiler_text?
- DistributionWorker.perform_async(status.id)
-
- [status, true]
- end
-
- def perform_via_activitypub
- [find_status(activitypub_uri) || ActivityPub::FetchRemoteStatusService.new.call(activitypub_uri), false]
- end
-
- def content
- @xml.at_xpath('./xmlns:content', xmlns: OStatus::TagManager::XMLNS).content
- end
-
- def content_language
- @xml.at_xpath('./xmlns:content', xmlns: OStatus::TagManager::XMLNS)['xml:lang']&.presence || 'en'
- end
-
- def content_warning
- @xml.at_xpath('./xmlns:summary', xmlns: OStatus::TagManager::XMLNS)&.content || ''
- end
-
- def visibility_scope
- @xml.at_xpath('./mastodon:scope', mastodon: OStatus::TagManager::MTDN_XMLNS)&.content&.to_sym || :public
- end
-
- def published
- @xml.at_xpath('./xmlns:published', xmlns: OStatus::TagManager::XMLNS).content
- end
-
- def thread?
- !@xml.at_xpath('./thr:in-reply-to', thr: OStatus::TagManager::THR_XMLNS).nil?
- end
-
- def thread
- thr = @xml.at_xpath('./thr:in-reply-to', thr: OStatus::TagManager::THR_XMLNS)
- [thr['ref'], thr['href']]
- end
-
- private
-
- def find_or_create_conversation
- uri = @xml.at_xpath('./ostatus:conversation', ostatus: OStatus::TagManager::OS_XMLNS)&.attribute('ref')&.content
- return if uri.nil?
-
- if OStatus::TagManager.instance.local_id?(uri)
- local_id = OStatus::TagManager.instance.unique_tag_to_local_id(uri, 'Conversation')
- return Conversation.find_by(id: local_id)
- end
-
- Conversation.find_by(uri: uri) || Conversation.create!(uri: uri)
- end
-
- def save_mentions(parent)
- processed_account_ids = []
-
- @xml.xpath('./xmlns:link[@rel="mentioned"]', xmlns: OStatus::TagManager::XMLNS).each do |link|
- next if [OStatus::TagManager::TYPES[:group], OStatus::TagManager::TYPES[:collection]].include? link['ostatus:object-type']
-
- mentioned_account = account_from_href(link['href'])
-
- next if mentioned_account.nil? || processed_account_ids.include?(mentioned_account.id)
-
- mentioned_account.mentions.where(status: parent).first_or_create(status: parent)
-
- # So we can skip duplicate mentions
- processed_account_ids << mentioned_account.id
- end
- end
-
- def save_hashtags(parent)
- tags = @xml.xpath('./xmlns:category', xmlns: OStatus::TagManager::XMLNS).map { |category| category['term'] }.select(&:present?)
- ProcessHashtagsService.new.call(parent, tags)
- end
-
- def save_media(parent)
- do_not_download = DomainBlock.find_by(domain: parent.account.domain)&.reject_media?
-
- @xml.xpath('./xmlns:link[@rel="enclosure"]', xmlns: OStatus::TagManager::XMLNS).each do |link|
- next unless link['href']
-
- media = MediaAttachment.where(status: parent, remote_url: link['href']).first_or_initialize(account: parent.account, status: parent, remote_url: link['href'])
- parsed_url = Addressable::URI.parse(link['href']).normalize
-
- next if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty?
-
- media.save
-
- next if do_not_download
-
- begin
- media.file_remote_url = link['href']
- media.save!
- rescue ActiveRecord::RecordInvalid
- next
- end
- end
- end
-
- def save_emojis(parent)
- do_not_download = DomainBlock.find_by(domain: parent.account.domain)&.reject_media?
-
- return if do_not_download
-
- @xml.xpath('./xmlns:link[@rel="emoji"]', xmlns: OStatus::TagManager::XMLNS).each do |link|
- next unless link['href'] && link['name']
-
- shortcode = link['name'].delete(':')
- emoji = CustomEmoji.find_by(shortcode: shortcode, domain: parent.account.domain)
-
- next unless emoji.nil?
-
- emoji = CustomEmoji.new(shortcode: shortcode, domain: parent.account.domain)
- emoji.image_remote_url = link['href']
- emoji.save
- end
- end
-
- def account_from_href(href)
- url = Addressable::URI.parse(href).normalize
-
- if TagManager.instance.web_domain?(url.host)
- Account.find_local(url.path.gsub('/users/', ''))
- else
- Account.where(uri: href).or(Account.where(url: href)).first || FetchRemoteAccountService.new.call(href)
- end
- end
- end
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