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# frozen_string_literal: true
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
include Localized
include UserTrackingConcern
include SessionTrackingConcern
include CacheConcern
include DomainControlHelper
helper_method :current_account
helper_method :current_session
helper_method :current_theme
helper_method :single_user_mode?
helper_method :use_seamless_external_login?
helper_method :whitelist_mode?
rescue_from ActionController::RoutingError, with: :not_found
rescue_from ActionController::InvalidAuthenticityToken, with: :unprocessable_entity
rescue_from ActionController::UnknownFormat, with: :not_acceptable
rescue_from ActionController::ParameterMissing, with: :bad_request
rescue_from Paperclip::AdapterRegistry::NoHandlerError, with: :bad_request
rescue_from ActiveRecord::RecordNotFound, with: :not_found
rescue_from Mastodon::NotPermittedError, with: :forbidden
rescue_from HTTP::Error, OpenSSL::SSL::SSLError, with: :internal_server_error
rescue_from Mastodon::RaceConditionError, Seahorse::Client::NetworkingError, Stoplight::Error::RedLight, with: :service_unavailable
rescue_from Mastodon::RateLimitExceededError, with: :too_many_requests
before_action :store_current_location, except: :raise_not_found, unless: :devise_controller?
before_action :require_functional!, if: :user_signed_in?
skip_before_action :verify_authenticity_token, only: :raise_not_found
def raise_not_found
raise ActionController::RoutingError, "No route matches #{params[:unmatched_route]}"
end
private
def authorized_fetch_mode?
ENV['AUTHORIZED_FETCH'] == 'true' || Rails.configuration.x.whitelist_mode
end
def public_fetch_mode?
!authorized_fetch_mode?
end
def store_current_location
store_location_for(:user, request.url) unless [:json, :rss].include?(request.format&.to_sym)
end
def require_admin!
forbidden unless current_user&.admin?
end
def require_staff!
forbidden unless current_user&.staff?
end
def require_functional!
redirect_to edit_user_registration_path unless current_user.functional?
end
def after_sign_out_path_for(_resource_or_scope)
new_user_session_path
end
protected
def truthy_param?(key)
ActiveModel::Type::Boolean.new.cast(params[key])
end
def forbidden
respond_with_error(403)
end
def not_found
respond_with_error(404)
end
def gone
respond_with_error(410)
end
def unprocessable_entity
respond_with_error(422)
end
def not_acceptable
respond_with_error(406)
end
def bad_request
respond_with_error(400)
end
def internal_server_error
respond_with_error(500)
end
def service_unavailable
respond_with_error(503)
end
def too_many_requests
respond_with_error(429)
end
def single_user_mode?
@single_user_mode ||= Rails.configuration.x.single_user_mode && Account.where('id > 0').exists?
end
def use_seamless_external_login?
Devise.pam_authentication || Devise.ldap_authentication
end
def current_account
return @current_account if defined?(@current_account)
@current_account = current_user&.account
end
def current_session
return @current_session if defined?(@current_session)
@current_session = SessionActivation.find_by(session_id: cookies.signed['_session_id']) if cookies.signed['_session_id'].present?
end
def current_theme
return Setting.theme unless Themes.instance.names.include? current_user&.setting_theme
current_user.setting_theme
end
def respond_with_error(code)
respond_to do |format|
format.any { render "errors/#{code}", layout: 'error', status: code, formats: [:html] }
format.json { render json: { error: Rack::Utils::HTTP_STATUS_CODES[code] }, status: code }
end
end
end