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whippy-edition/app/lib/activitypub/activity/announce.rb
ThibG 7467361d70 Fetch boosted statuses on behalf of a follower (fixes #7426) (#7459)
When an ActivityPub Announce is processed and the boosted toot is not known,
fetch it on behalf of one of the booster's followers. This is to allow
fetching self-boosts of previously-unknown private toots.

If fetching on behalf of a user fails, try fetching it anonymously: the
selected follower of a boosting user may be banned by the boosted toot's
author.
2018-05-12 16:48:32 +02:00

43 lines
1.2 KiB
Ruby

# frozen_string_literal: true
class ActivityPub::Activity::Announce < ActivityPub::Activity
def perform
original_status = status_from_uri(object_uri)
original_status ||= fetch_remote_original_status
return if original_status.nil? || delete_arrived_first?(@json['id']) || !announceable?(original_status)
status = Status.find_by(account: @account, reblog: original_status)
return status unless status.nil?
status = Status.create!(
account: @account,
reblog: original_status,
uri: @json['id'],
created_at: @json['published'],
override_timestamps: @options[:override_timestamps],
visibility: original_status.visibility
)
distribute(status)
status
end
private
def fetch_remote_original_status
if object_uri.start_with?('http')
return if ActivityPub::TagManager.instance.local_uri?(object_uri)
ActivityPub::FetchRemoteStatusService.new.call(object_uri, id: true, on_behalf_of: @account.followers.local.first)
elsif @object['url'].present?
::FetchRemoteStatusService.new.call(@object['url'])
end
end
def announceable?(status)
status.account_id == @account.id || status.public_visibility? || status.unlisted_visibility?
end
end