Gab-Social/app/services/edit_status_service.rb
Developer 5149c613f2 Added StatusSimilarityService to check against spamming same statuses over and over
• Added:
- StatusSimilarityService to check against spamming same statuses over and over
- StatusSimilarityService check to PostStatusService and EditStatusService
2021-02-18 20:12:40 -05:00

149 lines
4.3 KiB
Ruby

# frozen_string_literal: true
class EditStatusService < BaseService
include Redisable
# Post a text status update, fetch and notify remote users mentioned
# @param [Status] status Status being edited
# @param [Hash] options
# @option [String] :text Message
# @option [String] :markdown Optional message in markdown
# @option [Boolean] :sensitive
# @option [String] :visibility
# @option [String] :spoiler_text
# @option [String] :language
# @option [Enumerable] :media_ids Optional array of media IDs to attach
# @option [Doorkeeper::Application] :application
# @option [String] :idempotency Optional idempotency key
# @return [Status]
def call(status, options = {})
@status = status
@account = status.account
@options = options
@text = @options[:text] || ''
@markdown = @options[:markdown] if @account.is_pro
return idempotency_duplicate if idempotency_given? && idempotency_duplicate?
validate_similarity!
validate_links!
validate_media!
preprocess_attributes!
revision_text = prepare_revision_text
process_status!
postprocess_status!
create_revision! revision_text
redis.with do |conn|
conn.setex(idempotency_key, 3_600, @status.id) if idempotency_given?
end
@status
end
private
def preprocess_attributes!
@text = @options.delete(:spoiler_text) if @text.blank? && @options[:spoiler_text].present?
@visibility = @options[:visibility] || @account.user&.setting_default_privacy
@visibility = :unlisted if @visibility == :public && @account.silenced?
rescue ArgumentError
raise ActiveRecord::RecordInvalid
end
def process_status!
@status.update!(status_attributes)
process_hashtags_service.call(@status)
process_mentions_service.call(@status)
end
def postprocess_status!
LinkCrawlWorker.perform_async(@status.id) unless @status.spoiler_text?
end
def prepare_revision_text
text = @status.text
current_media_ids = @status.media_attachments.pluck(:id)
new_media_ids = @options[:media_ids].take(4).map(&:to_i)
if current_media_ids.sort != new_media_ids.sort
text = "" if text == @options[:text]
text += " [Media attachments changed]"
end
text.strip()
end
def create_revision!(text)
@status.revisions.create!({
text: text
})
end
def validate_media!
return if @options[:media_ids].blank? || !@options[:media_ids].is_a?(Enumerable)
raise GabSocial::ValidationError, I18n.t('media_attachments.validations.too_many') if @options[:media_ids].size > 4
@media = @account.media_attachments.where(id: @options[:media_ids].take(4).map(&:to_i))
hasVideoOrGif = @media.find(&:video?) || @media.find(&:gifv?)
raise GabSocial::ValidationError, I18n.t('media_attachments.validations.images_and_video') if @media.size > 1 && hasVideoOrGif
end
def validate_similarity!
raise GabSocial::NotPermittedError if StatusSimilarityService.new.call?(@text, @account.id)
end
def validate_links!
raise GabSocial::LinkBlockedError if LinkBlock.block?(@text)
end
def language_from_option(str)
ISO_639.find(str)&.alpha2
end
def process_mentions_service
ProcessMentionsService.new
end
def process_hashtags_service
ProcessHashtagsService.new
end
def idempotency_key
"idempotency:status:#{@account.id}:#{@options[:idempotency]}"
end
def idempotency_given?
@options[:idempotency].present?
end
def idempotency_duplicate
@account.statuses.find(@idempotency_duplicate)
end
def idempotency_duplicate?
redis.with do |conn|
@idempotency_duplicate = conn.get(idempotency_key)
end
@idempotency_duplicate
end
def status_attributes
{
revised_at: Time.now,
text: @text,
markdown: @markdown,
media_attachments: @media || [],
sensitive: (@options[:sensitive].nil? ? @account.user&.setting_default_sensitive : @options[:sensitive]) || @options[:spoiler_text].present?,
spoiler_text: @options[:spoiler_text] || '',
visibility: @visibility,
language: language_from_option(@options[:language]) || @account.user&.setting_default_language&.presence || LanguageDetector.instance.detect(@text, @account),
application: @options[:application],
}.compact
end
end