mirror of
https://github.com/whippyshou/mastodon
synced 2024-12-13 06:09:02 +09:00
180 lines
5.1 KiB
Ruby
180 lines
5.1 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::Activity
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include JsonLdHelper
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include Redisable
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include Lockable
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SUPPORTED_TYPES = %w(Note Question).freeze
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CONVERTED_TYPES = %w(Image Audio Video Article Page Event).freeze
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def initialize(json, account, **options)
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@json = json
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@account = account
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@object = @json['object']
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@options = options
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end
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def perform
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raise NotImplementedError
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end
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class << self
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def factory(json, account, **options)
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@json = json
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klass&.new(json, account, **options)
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end
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private
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def klass
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case @json['type']
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when 'Create'
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ActivityPub::Activity::Create
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when 'Announce'
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ActivityPub::Activity::Announce
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when 'Delete'
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ActivityPub::Activity::Delete
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when 'Follow'
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ActivityPub::Activity::Follow
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when 'Like'
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ActivityPub::Activity::Like
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when 'Block'
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ActivityPub::Activity::Block
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when 'Update'
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ActivityPub::Activity::Update
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when 'Undo'
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ActivityPub::Activity::Undo
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when 'Accept'
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ActivityPub::Activity::Accept
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when 'Reject'
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ActivityPub::Activity::Reject
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when 'Flag'
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ActivityPub::Activity::Flag
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when 'Add'
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ActivityPub::Activity::Add
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when 'Remove'
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ActivityPub::Activity::Remove
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when 'Move'
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ActivityPub::Activity::Move
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end
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end
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end
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protected
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def status_from_uri(uri)
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ActivityPub::TagManager.instance.uri_to_resource(uri, Status)
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end
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def account_from_uri(uri)
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ActivityPub::TagManager.instance.uri_to_resource(uri, Account)
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end
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def object_uri
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@object_uri ||= uri_from_bearcap(value_or_id(@object))
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end
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def unsupported_object_type?
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@object.is_a?(String) || !(supported_object_type? || converted_object_type?)
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end
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def supported_object_type?
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equals_or_includes_any?(@object['type'], SUPPORTED_TYPES)
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end
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def converted_object_type?
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equals_or_includes_any?(@object['type'], CONVERTED_TYPES)
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end
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def delete_arrived_first?(uri)
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redis.exists?("delete_upon_arrival:#{@account.id}:#{uri}")
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end
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def delete_later!(uri)
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redis.setex("delete_upon_arrival:#{@account.id}:#{uri}", 6.hours.seconds, true)
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end
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def status_from_object
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# If the status is already known, return it
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status = status_from_uri(object_uri)
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return status unless status.nil?
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# If the boosted toot is embedded and it is a self-boost, handle it like a Create
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unless unsupported_object_type?
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actor_id = value_or_id(first_of_value(@object['attributedTo']))
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if actor_id == @account.uri
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virtual_object = { 'type' => 'Create', 'actor' => actor_id, 'object' => @object }
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return ActivityPub::Activity.factory(virtual_object, @account, request_id: @options[:request_id]).perform
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end
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end
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fetch_remote_original_status
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end
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def dereference_object!
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return unless @object.is_a?(String)
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dereferencer = ActivityPub::Dereferencer.new(@object, permitted_origin: @account.uri, signature_actor: signed_fetch_actor)
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@object = dereferencer.object unless dereferencer.object.nil?
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end
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def signed_fetch_actor
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return Account.find(@options[:delivered_to_account_id]) if @options[:delivered_to_account_id].present?
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first_mentioned_local_account || first_local_follower
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end
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def first_mentioned_local_account
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audience = (as_array(@json['to']) + as_array(@json['cc'])).map { |x| value_or_id(x) }.uniq
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local_usernames = audience.select { |uri| ActivityPub::TagManager.instance.local_uri?(uri) }
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.map { |uri| ActivityPub::TagManager.instance.uri_to_local_id(uri, :username) }
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return if local_usernames.empty?
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Account.local.where(username: local_usernames).first
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end
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def first_local_follower
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@account.followers.local.first
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end
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def follow_request_from_object
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@follow_request ||= FollowRequest.find_by(target_account: @account, uri: object_uri) unless object_uri.nil?
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end
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def follow_from_object
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@follow ||= ::Follow.find_by(target_account: @account, uri: object_uri) unless object_uri.nil?
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end
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def fetch_remote_original_status
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if object_uri.start_with?('http')
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return if ActivityPub::TagManager.instance.local_uri?(object_uri)
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ActivityPub::FetchRemoteStatusService.new.call(object_uri, id: true, on_behalf_of: @account.followers.local.first, request_id: @options[:request_id])
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elsif @object['url'].present?
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::FetchRemoteStatusService.new.call(@object['url'], request_id: @options[:request_id])
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end
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end
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def fetch?
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!@options[:delivery]
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end
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def followed_by_local_accounts?
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@account.passive_relationships.exists? || (@options[:relayed_through_actor].is_a?(Account) && @options[:relayed_through_actor].passive_relationships&.exists?)
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end
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def requested_through_relay?
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@options[:relayed_through_actor] && Relay.find_by(inbox_url: @options[:relayed_through_actor].inbox_url)&.enabled?
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end
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def reject_payload!
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Rails.logger.info("Rejected #{@json['type']} activity #{@json['id']} from #{@account.uri}#{@options[:relayed_through_actor] && "via #{@options[:relayed_through_actor].uri}"}")
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nil
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end
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end
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