mastodon/app/lib/activitypub/parser/interaction_policy_parser.rb

42 lines
1.2 KiB
Ruby

# frozen_string_literal: true
class ActivityPub::Parser::InteractionPolicyParser
def initialize(json, account)
@json = json
@account = account
end
def bitmap
flags = 0
return flags if @json.blank?
flags |= subpolicy(@json['automaticApproval'])
flags <<= 16
flags |= subpolicy(@json['manualApproval'])
flags
end
private
def subpolicy(partial_json)
flags = 0
allowed_actors = Array(partial_json).dup
allowed_actors.uniq!
flags |= InteractionPolicy::POLICY_FLAGS[:public] if allowed_actors.delete('as:Public') || allowed_actors.delete('Public') || allowed_actors.delete('https://www.w3.org/ns/activitystreams#Public')
flags |= InteractionPolicy::POLICY_FLAGS[:followers] if allowed_actors.delete(@account.followers_url)
flags |= InteractionPolicy::POLICY_FLAGS[:following] if allowed_actors.delete(@account.following_url)
includes_target_actor = allowed_actors.delete(ActivityPub::TagManager.instance.uri_for(@account)).present?
# Any unrecognized actor is marked as unsupported
flags |= InteractionPolicy::POLICY_FLAGS[:unsupported_policy] unless allowed_actors.empty?
flags |= InteractionPolicy::POLICY_FLAGS[:disabled] if flags.zero? && includes_target_actor
flags
end
end