forked from fedi/mastodon
96 lines
3.5 KiB
Ruby
96 lines
3.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class ProcessMentionsService < BaseService
|
|
include Payloadable
|
|
|
|
# Scan status for mentions and fetch remote mentioned users,
|
|
# and create local mention pointers
|
|
# @param [Status] status
|
|
# @param [Boolean] save_records Whether to save records in database
|
|
def call(status, save_records: true)
|
|
@status = status
|
|
@save_records = save_records
|
|
|
|
return unless @status.local?
|
|
|
|
@previous_mentions = @status.active_mentions.includes(:account).to_a
|
|
@current_mentions = []
|
|
|
|
Status.transaction do
|
|
scan_text!
|
|
assign_mentions!
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def scan_text!
|
|
@status.text = @status.text.gsub(Account::MENTION_RE) do |match|
|
|
username, domain = Regexp.last_match(1).split('@')
|
|
|
|
domain = if TagManager.instance.local_domain?(domain)
|
|
nil
|
|
else
|
|
TagManager.instance.normalize_domain(domain)
|
|
end
|
|
|
|
mentioned_account = Account.find_remote(username, domain)
|
|
|
|
# Unapproved and unconfirmed accounts should not be mentionable
|
|
next match if mentioned_account&.local? && !(mentioned_account.user_confirmed? && mentioned_account.user_approved?)
|
|
|
|
# If the account cannot be found or isn't the right protocol,
|
|
# first try to resolve it
|
|
if mention_undeliverable?(mentioned_account)
|
|
begin
|
|
mentioned_account = ResolveAccountService.new.call(Regexp.last_match(1))
|
|
rescue Webfinger::Error, HTTP::Error, OpenSSL::SSL::SSLError, Mastodon::UnexpectedResponseError
|
|
mentioned_account = nil
|
|
end
|
|
end
|
|
|
|
# If after resolving it still isn't found or isn't the right
|
|
# protocol, then give up
|
|
next match if mention_undeliverable?(mentioned_account) || mentioned_account&.suspended?
|
|
|
|
mention = @previous_mentions.find { |x| x.account_id == mentioned_account.id }
|
|
mention ||= @current_mentions.find { |x| x.account_id == mentioned_account.id }
|
|
mention ||= @status.mentions.new(account: mentioned_account)
|
|
|
|
@current_mentions << mention
|
|
|
|
"@#{mentioned_account.acct}"
|
|
end
|
|
|
|
@status.save! if @save_records
|
|
end
|
|
|
|
def assign_mentions!
|
|
# Make sure we never mention blocked accounts
|
|
unless @current_mentions.empty?
|
|
mentioned_domains = @current_mentions.map { |m| m.account.domain }.compact.uniq
|
|
blocked_domains = Set.new(mentioned_domains.empty? ? [] : AccountDomainBlock.where(account_id: @status.account_id, domain: mentioned_domains))
|
|
mentioned_account_ids = @current_mentions.map(&:account_id)
|
|
blocked_account_ids = Set.new(@status.account.block_relationships.where(target_account_id: mentioned_account_ids).pluck(:target_account_id))
|
|
|
|
dropped_mentions, @current_mentions = @current_mentions.partition { |mention| blocked_account_ids.include?(mention.account_id) || blocked_domains.include?(mention.account.domain) }
|
|
dropped_mentions.each(&:destroy)
|
|
end
|
|
|
|
@current_mentions.each do |mention|
|
|
mention.save if mention.new_record? && @save_records
|
|
end
|
|
|
|
# If previous mentions are no longer contained in the text, convert them
|
|
# to silent mentions, since withdrawing access from someone who already
|
|
# received a notification might be more confusing
|
|
removed_mentions = @previous_mentions - @current_mentions
|
|
|
|
Mention.where(id: removed_mentions.map(&:id)).update_all(silent: true) unless removed_mentions.empty?
|
|
end
|
|
|
|
def mention_undeliverable?(mentioned_account)
|
|
mentioned_account.nil? || (!mentioned_account.local? && !mentioned_account.activitypub?)
|
|
end
|
|
end
|