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mastodon/app/models/concerns/account_finder_concern.rb
Claire d1387579b9
Fix situations in which instance actor can be set to a Mastodon-incompatible name (#22307)
* Validate internal actor

* Use “internal.actor” by default for the server actor username

* Fix instance actor username on the fly if it includes ':'

* Change actor name from internal.actor to mastodon.internal
2023-01-18 16:33:03 +01:00

67 lines
1.6 KiB
Ruby

# frozen_string_literal: true
module AccountFinderConcern
extend ActiveSupport::Concern
class_methods do
def find_local!(username)
find_local(username) || raise(ActiveRecord::RecordNotFound)
end
def find_remote!(username, domain)
find_remote(username, domain) || raise(ActiveRecord::RecordNotFound)
end
def representative
actor = Account.find(-99).tap(&:ensure_keys!)
actor.update!(username: 'mastodon.internal') if actor.username.include?(':')
actor
rescue ActiveRecord::RecordNotFound
Account.create!(id: -99, actor_type: 'Application', locked: true, username: 'mastodon.internal')
end
def find_local(username)
find_remote(username, nil)
end
def find_remote(username, domain)
AccountFinder.new(username, domain).account
end
end
class AccountFinder
attr_reader :username, :domain
def initialize(username, domain)
@username = username
@domain = domain
end
def account
scoped_accounts.order(id: :asc).take
end
private
def scoped_accounts
Account.unscoped.tap do |scope|
scope.merge! with_usernames
scope.merge! matching_username
scope.merge! matching_domain
end
end
def with_usernames
Account.where.not(Account.arel_table[:username].lower.eq '')
end
def matching_username
Account.where(Account.arel_table[:username].lower.eq username.to_s.downcase)
end
def matching_domain
Account.where(Account.arel_table[:domain].lower.eq(domain.nil? ? nil : domain.to_s.downcase))
end
end
end