require 'cache' require_dependency 'plugin/instance' require_dependency 'auth/default_current_user_provider' module Discourse # Expected less matches than what we got in a find class TooManyMatches < Exception; end # When they try to do something they should be logged in for class NotLoggedIn < Exception; end # When the input is somehow bad class InvalidParameters < Exception; end # When they don't have permission to do something class InvalidAccess < Exception; end # When something they want is not found class NotFound < Exception; end # When a setting is missing class SiteSettingMissing < Exception; end # When ImageMagick is missing class ImageMagickMissing < Exception; end class InvalidPost < Exception; end # Cross site request forgery class CSRF < Exception; end def self.activate_plugins! @plugins = Plugin::Instance.find_all("#{Rails.root}/plugins") @plugins.each do |plugin| plugin.activate! end end def self.plugins @plugins end def self.authenticators # TODO: perhaps we don't need auth providers and authenticators maybe one object is enough # NOTE: this bypasses the site settings and gives a list of everything, we need to register every middleware # for the cases of multisite # In future we may change it so we don't include them all for cases where we are not a multisite, but we would # require a restart after site settings change Users::OmniauthCallbacksController::BUILTIN_AUTH + auth_providers.map(&:authenticator) end def self.auth_providers providers = [] if plugins plugins.each do |p| next unless p.auth_providers p.auth_providers.each do |prov| providers << prov end end end providers end def self.cache @cache ||= Cache.new end # Get the current base URL for the current site def self.current_hostname if SiteSetting.force_hostname.present? SiteSetting.force_hostname else RailsMultisite::ConnectionManagement.current_hostname end end def self.base_uri(default_value = "") if !ActionController::Base.config.relative_url_root.blank? ActionController::Base.config.relative_url_root else default_value end end def self.base_url_no_prefix default_port = 80 protocol = "http" if SiteSetting.use_ssl? protocol = "https" default_port = 443 end result = "#{protocol}://#{current_hostname}" port = SiteSetting.port.present? && SiteSetting.port.to_i > 0 ? SiteSetting.port.to_i : default_port result << ":#{SiteSetting.port}" if port != default_port result end def self.base_url return base_url_no_prefix + base_uri end def self.enable_maintenance_mode $redis.set maintenance_mode_key, 1 true end def self.disable_maintenance_mode $redis.del maintenance_mode_key true end def self.maintenance_mode? !!$redis.get( maintenance_mode_key ) end def self.git_version return $git_version if $git_version # load the version stamped by the "build:stamp" task f = Rails.root.to_s + "/config/version" require f if File.exists?("#{f}.rb") begin $git_version ||= `git rev-parse HEAD`.strip rescue $git_version = "unknown" end end # Either returns the site_contact_username user or the first admin. def self.site_contact_user user = User.where(username_lower: SiteSetting.site_contact_username).first if SiteSetting.site_contact_username.present? user ||= User.admins.real.order(:id).first end def self.system_user User.where(id: -1).first end def self.store if SiteSetting.enable_s3_uploads? @s3_store_loaded ||= require 'file_store/s3_store' FileStore::S3Store.new else @local_store_loaded ||= require 'file_store/local_store' FileStore::LocalStore.new end end def self.current_user_provider @current_user_provider || Auth::DefaultCurrentUserProvider end def self.current_user_provider=(val) @current_user_provider = val end def self.asset_host Rails.configuration.action_controller.asset_host end private def self.maintenance_mode_key 'maintenance_mode' end end