nas/app/lib/activitypub/activity/follow.rb

120 lines
4.5 KiB
Ruby

# frozen_string_literal: true
class ActivityPub::Activity::Follow < ActivityPub::Activity
include Payloadable
def perform
return request_follow_for_friend if friend_follow?
target_account = account_from_uri(object_uri)
return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id'])
# Update id of already-existing follow requests
existing_follow_request = ::FollowRequest.find_by(account: @account, target_account: target_account)
unless existing_follow_request.nil?
existing_follow_request.update!(uri: @json['id'])
return
end
if target_account.blocking?(@account) || target_account.domain_blocking?(@account.domain) || target_account.moved? || target_account.instance_actor? || block_new_follow?
reject_follow_request!(target_account)
return
end
# Fast-forward repeat follow requests
existing_follow = ::Follow.find_by(account: @account, target_account: target_account)
unless existing_follow.nil?
existing_follow.update!(uri: @json['id'])
AuthorizeFollowService.new.call(@account, target_account, skip_follow_request: true, follow_request_uri: @json['id'])
return
end
follow_request = FollowRequest.create!(account: @account, target_account: target_account, uri: @json['id'])
if target_account.locked? || @account.silenced? || block_straight_follow? || ((@account.bot? || proxy_account?) && target_account.user&.setting_lock_follow_from_bot)
LocalNotificationWorker.perform_async(target_account.id, follow_request.id, 'FollowRequest', 'follow_request')
else
AuthorizeFollowService.new.call(@account, target_account)
LocalNotificationWorker.perform_async(target_account.id, ::Follow.find_by(account: @account, target_account: target_account).id, 'Follow', 'follow')
end
end
def reject_follow_request!(target_account)
json = Oj.dump(serialize_payload(FollowRequest.new(account: @account, target_account: target_account, uri: @json['id']), ActivityPub::RejectFollowSerializer))
ActivityPub::DeliveryWorker.perform_async(json, target_account.id, @account.inbox_url)
end
def request_follow_for_friend
already_accepted = false
if friend.present?
already_accepted = friend.accepted?
friend.update!(passive_state: :pending, active_state: :idle, passive_follow_activity_id: @json['id'])
else
@friend = FriendDomain.new(domain: @account.domain, passive_state: :pending, passive_follow_activity_id: @json['id'])
@friend.inbox_url = @json['inboxUrl'].presence || @friend.default_inbox_url
@friend.save!
end
if already_accepted || Setting.unlocked_friend
friend.accept!
# Notify for admin even if unlocked
notify_staff_about_pending_friend_server! unless already_accepted
else
notify_staff_about_pending_friend_server!
end
end
def friend
@friend ||= FriendDomain.find_by(domain: @account.domain) if @account.domain.present?
end
def friend_follow?
@json['object'] == ActivityPub::TagManager::COLLECTIONS[:public] && !block_friend?
end
def block_friend?
@block_friend ||= DomainBlock.reject_friend?(@account.domain) || DomainBlock.blocked?(@account.domain)
end
def block_straight_follow?
@block_straight_follow ||= DomainBlock.reject_straight_follow?(@account.domain)
end
def block_new_follow?
@block_new_follow ||= DomainBlock.reject_new_follow?(@account.domain)
end
def proxy_account?
(@account.username.downcase.include?('_proxy') ||
@account.username.downcase.end_with?('proxy') ||
@account.username.downcase.include?('_bot_') ||
@account.username.downcase.end_with?('bot') ||
@account.display_name&.downcase&.include?('proxy') ||
@account.display_name&.include?('プロキシ') ||
@account.note&.include?('プロキシ')) &&
(@account.following_count.zero? || @account.following_count > @account.followers_count) &&
proxyable_software?
end
def proxyable_software?
info = instance_info
return false if info.nil?
%w(misskey calckey firefish meisskey cherrypick sharkey).include?(info.software)
end
def instance_info
@instance_info ||= InstanceInfo.find_by(domain: @account.domain)
end
def notify_staff_about_pending_friend_server!
User.those_who_can(:manage_federation).includes(:account).find_each do |u|
next unless u.allows_pending_friend_server_emails?
AdminMailer.with(recipient: u.account).new_pending_friend_server(friend).deliver_later
end
end
end