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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
force_ssl if: :https_enabled?
include Localized
include UserTrackingConcern
helper_method :current_account
helper_method :current_session
helper_method :current_theme
helper_method :single_user_mode?
helper_method :use_seamless_external_login?
rescue_from ActionController::RoutingError, with: :not_found
rescue_from ActiveRecord::RecordNotFound, with: :not_found
rescue_from ActionController::InvalidAuthenticityToken, with: :unprocessable_entity
rescue_from Mastodon::NotPermittedError, with: :forbidden
before_action :store_current_location, except: :raise_not_found, unless: :devise_controller?
before_action :check_suspension, if: :user_signed_in?
def raise_not_found
raise ActionController::RoutingError, "No route matches #{params[:unmatched_route]}"
end
private
def https_enabled?
Rails.env.production?
end
def store_current_location
store_location_for(:user, request.url) unless request.format == :json
end
def require_admin!
redirect_to root_path unless current_user&.admin?
end
def require_staff!
redirect_to root_path unless current_user&.staff?
end
def check_suspension
forbidden if current_user.account.suspended?
end
def after_sign_out_path_for(_resource_or_scope)
new_user_session_path
end
protected
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 single_user_mode?
@single_user_mode ||= Rails.configuration.x.single_user_mode && Account.exists?
end
def use_seamless_external_login?
Devise.pam_authentication || Devise.ldap_authentication
end
def current_account
@current_account ||= current_user.try(:account)
end
def current_session
@current_session ||= SessionActivation.find_by(session_id: cookies.signed['_session_id'])
end
def current_theme
return Setting.default_settings['theme'] unless Themes.instance.names.include? current_user&.setting_theme
current_user.setting_theme
end
def cache_collection(raw, klass)
return raw unless klass.respond_to?(:with_includes)
raw = raw.cache_ids.to_a if raw.is_a?(ActiveRecord::Relation)
uncached_ids = []
cached_keys_with_value = Rails.cache.read_multi(*raw.map(&:cache_key))
raw.each do |item|
uncached_ids << item.id unless cached_keys_with_value.key?(item.cache_key)
end
klass.reload_stale_associations!(cached_keys_with_value.values) if klass.respond_to?(:reload_stale_associations!)
unless uncached_ids.empty?
uncached = klass.where(id: uncached_ids).with_includes.map { |item| [item.id, item] }.to_h
uncached.each_value do |item|
Rails.cache.write(item.cache_key, item)
end
end
raw.map { |item| cached_keys_with_value[item.cache_key] || uncached[item.id] }.compact
end
def respond_with_error(code)
respond_to do |format|
format.any { head code }
format.html do
set_locale
render "errors/#{code}", layout: 'error', status: code
end
end
end
def render_cached_json(cache_key, **options)
options[:expires_in] ||= 3.minutes
cache_key = cache_key.join(':') if cache_key.is_a?(Enumerable)
cache_public = options.key?(:public) ? options.delete(:public) : true
content_type = options.delete(:content_type) || 'application/json'
data = Rails.cache.fetch(cache_key, { raw: true }.merge(options)) do
yield.to_json
end
expires_in options[:expires_in], public: cache_public
render json: data, content_type: content_type
end
def set_cache_headers
response.headers['Vary'] = 'Accept'
end
def skip_session!
request.session_options[:skip] = true
end
end
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