fedibird-fe/app/services/post_status_service.rb
2023-02-27 15:06:35 +09:00

290 lines
10 KiB
Ruby

# frozen_string_literal: true
class PostStatusService < BaseService
include Redisable
MIN_SCHEDULE_OFFSET = 5.minutes.freeze
MIN_EXPIRE_OFFSET = 40.seconds.freeze # The original intention is 60 seconds, but we have a margin of 20 seconds.
# Post a text status update, fetch and notify remote users mentioned
# @param [Account] account Account from which to post
# @param [Hash] options
# @option [String] :text Message
# @option [Status] :thread Optional status to reply to
# @option [Boolean] :sensitive
# @option [String] :visibility
# @option [String] :spoiler_text
# @option [String] :language
# @option [String] :scheduled_at
# @option [String] :expires_at
# @option [String] :expires_action
# @option [Circle] :circle Optional circle to target the status to
# @option [Hash] :poll Optional poll to attach
# @option [Enumerable] :media_ids Optional array of media IDs to attach
# @option [Doorkeeper::Application] :application
# @option [String] :idempotency Optional idempotency key
# @option [Boolean] :with_rate_limit
# @option [String] :searchability
# @option [Boolean] :notify Optional notification of completion of schedule post
# @return [Status]
def call(account, options = {})
@account = account
@options = options
@text = @options[:text] || ''
@in_reply_to = @options[:thread]
@quote_id = @options[:quote_id]
@circle = @options[:circle]
return idempotency_duplicate if idempotency_given? && idempotency_duplicate?
validate_media!
validate_expires!
validate_prohibited_words!
preprocess_attributes!
validate_prohibited_visibilities!
preprocess_quote!
if scheduled?
schedule_status!
else
process_status!
postprocess_status!
bump_potential_friendship!
end
redis.setex(idempotency_key, 3_600, @status.id) if idempotency_given?
create_notification!
@status
end
private
def create_notification!
NotifyService.new.call(@status.account, :scheduled_status, @status) if @options[:notify] && @status.account.local?
end
def status_from_uri(uri)
ActivityPub::TagManager.instance.uri_to_resource(uri, Status)
end
def quote_from_url(url)
return nil if url.nil?
quote = ResolveURLService.new.call(url)
status_from_uri(quote.uri) if quote
rescue
nil
end
def preprocess_attributes!
@sensitive = (@options[:sensitive].nil? ? @account.user&.setting_default_sensitive : @options[:sensitive]) || @options[:spoiler_text].present?
@text = @options.delete(:spoiler_text) if @text.blank? && @options[:spoiler_text].present?
@visibility = @options[:visibility] || @account.user&.setting_default_privacy
@visibility = :unlisted if @visibility&.to_sym == :public && @account.silenced?
@visibility = :private if %i(public unlisted).include?(@visibility&.to_sym) && @account.hard_silenced?
@visibility = :limited if @circle.present?
@visibility = :limited if @visibility&.to_sym != :direct && @in_reply_to&.limited_visibility?
@searchability = searchability
@scheduled_at = @options[:scheduled_at].is_a?(Time) ? @options[:scheduled_at] : @options[:scheduled_at]&.to_datetime&.to_time
if @quote_id.nil? && md = @text.match(/QT:\s*\[\s*(https:\/\/.+?)\s*\]/)
@quote_id = quote_from_url(md[1])&.id
@text.sub!(/QT:\s*\[.*?\]/, '')
end
rescue ArgumentError
raise ActiveRecord::RecordInvalid
end
def searchability
case @options[:searchability]&.to_sym
when :public
case @visibility&.to_sym when :public then :public when :unlisted, :private then :private else :direct end
when :unlisted, :private
case @visibility&.to_sym when :public, :unlisted, :private then :private else :direct end
when nil
@account.searchability
else
:direct
end
end
def preprocess_quote!
if @quote_id.present?
quote = Status.find(@quote_id)
@quote_id = quote.reblog_of_id.to_s if quote.reblog?
end
end
def process_status!
# The following transaction block is needed to wrap the UPDATEs to
# the media attachments when the status is created
ApplicationRecord.transaction do
@status = @account.statuses.create!(status_attributes)
@status.capability_tokens.create! if @status.limited_visibility?
end
ProcessHashtagsService.new.call(@status)
ProcessMentionsService.new.call(@status, @circle) unless @status.personal_visibility?
ProcessStatusReferenceService.new.call(@status, status_reference_ids: (@options[:status_reference_ids] || []) + [@quote_id], urls: @options[:status_reference_urls])
end
def schedule_status!
status_for_validation = @account.statuses.build(status_attributes)
if status_for_validation.valid?
status_for_validation.destroy
# The following transaction block is needed to wrap the UPDATEs to
# the media attachments when the scheduled status is created
ApplicationRecord.transaction do
@status = @account.scheduled_statuses.create!(scheduled_status_attributes)
end
else
raise ActiveRecord::RecordInvalid
end
end
def postprocess_status!
LinkCrawlWorker.perform_async(@status.id) unless @status.spoiler_text?
DistributionWorker.perform_async(@status.id)
ActivityPub::DistributionWorker.perform_async(@status.id) unless @status.personal_visibility?
PollExpirationNotifyWorker.perform_at(@status.poll.expires_at, @status.poll.id) if @status.poll
@status.status_expire.queue_action if expires_soon?
end
def expires_soon?
expires_at = @status&.status_expire&.expires_at
expires_at.present? && expires_at <= Time.now.utc + MIN_SCHEDULE_OFFSET
end
def validate_prohibited_words!
return if @options[:spoiler_text].blank? && @options[:text].blank?
text = [@options[:spoiler_text], @options[:text]].join(' ')
words = (@account&.user&.setting_prohibited_words || '').split(',').map(&:strip).filter(&:present?)
raise Mastodon::ValidationError, I18n.t('status_prohibit.validations.prohibited_words') if words.any? { |word| text.include? word }
end
def validate_prohibited_visibilities!
raise Mastodon::ValidationError, I18n.t('status_prohibit.validations.prohibited_visibilities') if @account.user&.setting_prohibited_visibilities&.filter(&:present?)&.include?(@visibility.to_s)
end
def validate_media!
return if @options[:media_ids].blank? || !@options[:media_ids].is_a?(Enumerable)
raise Mastodon::ValidationError, I18n.t('media_attachments.validations.too_many') if @options[:media_ids].size > 4 || !Setting.allow_poll_image && @options[:poll].present?
@media = @account.media_attachments.where(status_id: nil).where(id: @options[:media_ids].take(4).map(&:to_i))
raise Mastodon::ValidationError, I18n.t('media_attachments.validations.images_and_video') if @media.size > 1 && @media.find(&:audio_or_video?)
raise Mastodon::ValidationError, I18n.t('media_attachments.validations.not_ready') if @media.any?(&:not_processed?)
end
def validate_expires!
return if @options[:expires_at].blank?
@expires_at = @options[:expires_at].is_a?(Time) ? @options[:expires_at] : @options[:expires_at]&.to_time
raise Mastodon::ValidationError, I18n.t('status_expire.validations.invalid_expire_at') if @expires_at.nil?
raise Mastodon::ValidationError, I18n.t('status_expire.validations.expire_in_the_past') if @expires_at <= (@options[:scheduled_at]&.to_datetime&.to_time || Time.now.utc) + MIN_EXPIRE_OFFSET
@expires_action = begin
case @options[:expires_action]&.to_sym
when :hint, :mark, nil
:mark
when :delete
:delete
else
raise Mastodon::ValidationError, I18n.t('status_expire.validations.invalid_expire_action')
end
end
end
def language_from_option(str)
ISO_639.find(str)&.alpha2
end
def scheduled?
@scheduled_at.present?
end
def idempotency_key
"idempotency:status:#{@account.id}:#{@options[:idempotency]}"
end
def idempotency_given?
@options[:idempotency].present?
end
def idempotency_duplicate
if scheduled?
@account.schedule_statuses.find(@idempotency_duplicate)
else
@account.statuses.find(@idempotency_duplicate)
end
end
def idempotency_duplicate?
@idempotency_duplicate = redis.get(idempotency_key)
end
def scheduled_in_the_past?
@scheduled_at.present? && @scheduled_at <= Time.now.utc + MIN_SCHEDULE_OFFSET - 20.seconds
end
def bump_potential_friendship!
return if !@status.reply? || @account.id == @status.in_reply_to_account_id
ActivityTracker.increment('activity:interactions')
return if @account.following?(@status.in_reply_to_account_id)
PotentialFriendshipTracker.record(@account.id, @status.in_reply_to_account_id, :reply)
end
def status_attributes
{
text: @text,
media_attachments: @media || [],
thread: @in_reply_to,
poll_attributes: poll_attributes,
sensitive: @sensitive,
spoiler_text: @options[:spoiler_text] || '',
visibility: @visibility,
circle: @circle,
language: language_from_option(@options[:language]) || @account.user&.setting_default_language&.presence || LanguageDetector.instance.detect(@text, @account),
application: @options[:application],
rate_limit: @options[:with_rate_limit],
quote_id: @quote_id,
expires_at: @expires_at,
expires_action: @expires_action,
searchability: @searchability
}.compact
end
def scheduled_status_attributes
{
scheduled_at: @scheduled_at,
media_attachments: @media || [],
params: scheduled_options,
}
end
def poll_attributes
return if @options[:poll].blank?
@options[:poll].merge(account: @account, voters_count: 0)
end
def scheduled_options
@options.tap do |options_hash|
options_hash[:in_reply_to_id] = options_hash.delete(:thread)&.id&.to_s
options_hash[:application_id] = options_hash.delete(:application)&.id
options_hash[:scheduled_at] = nil
options_hash[:idempotency] = nil
options_hash[:status_reference_ids] = options_hash[:status_reference_ids]&.map(&:to_s)&.filter{ |id| id != options_hash[:quote_id] }
options_hash[:with_rate_limit] = false
end
end
end