+
+ def gpx_status
+ status = database_status
+ status = "offline" if status == "online" && Settings.status == "gpx_offline"
+ status
+ end
+
+ ##
+ # sets up the current_user for use by other methods. this is mostly called
+ # from the authorize method, but can be called elsewhere if authorisation
+ # is optional.
+ def setup_user_auth
+ logger.info " setup_user_auth"
+ # try and setup using OAuth
+ if doorkeeper_token&.accessible?
+ self.current_user = User.find(doorkeeper_token.resource_owner_id)
+ elsif Authenticator.new(self, [:token]).allow?
+ # self.current_user setup by OAuth
+ elsif Settings.basic_auth_support
+ username, passwd = auth_data # parse from headers
+ # authenticate per-scheme
+ self.current_user = if username.nil?
+ nil # no authentication provided - perhaps first connect (client should retry after 401)
+ elsif username == "token"
+ User.authenticate(:token => passwd) # preferred - random token for user from db, passed in basic auth
+ else
+ User.authenticate(:username => username, :password => passwd) # basic auth
+ end
+ # log if we have authenticated using basic auth
+ logger.info "Authenticated as user #{current_user.id} using basic authentication" if current_user
+ end
+
+ # have we identified the user?
+ if current_user
+ # check if the user has been banned
+ user_block = current_user.blocks.active.take
+ unless user_block.nil?
+ set_locale
+ if user_block.zero_hour?
+ report_error t("application.setup_user_auth.blocked_zero_hour"), :forbidden
+ else
+ report_error t("application.setup_user_auth.blocked"), :forbidden
+ end
+ end
+
+ # if the user hasn't seen the contributor terms then don't
+ # allow editing - they have to go to the web site and see
+ # (but can decline) the CTs to continue.
+ if !current_user.terms_seen && flash[:skip_terms].nil?
+ set_locale
+ report_error t("application.setup_user_auth.need_to_see_terms"), :forbidden
+ end
+ end
+ end
+
+ def api_call_handle_error
+ yield
+ rescue ActionController::UnknownFormat
+ head :not_acceptable
+ rescue ActiveRecord::RecordNotFound => e
+ head :not_found
+ rescue LibXML::XML::Error, ArgumentError => e
+ report_error e.message, :bad_request
+ rescue ActiveRecord::RecordInvalid => e
+ message = "#{e.record.class} #{e.record.id}: "
+ e.record.errors.each { |error| message << "#{error.attribute}: #{error.message} (#{e.record[error.attribute].inspect})" }
+ report_error message, :bad_request
+ rescue OSM::APIError => e
+ report_error e.message, e.status
+ rescue AbstractController::ActionNotFound => e
+ raise
+ rescue StandardError => e
+ logger.info("API threw unexpected #{e.class} exception: #{e.message}")
+ e.backtrace.each { |l| logger.info(l) }
+ report_error "#{e.class}: #{e.message}", :internal_server_error
+ end
+
+ ##
+ # asserts that the request method is the +method+ given as a parameter
+ # or raises a suitable error. +method+ should be a symbol, e.g: :put or :get.
+ def assert_method(method)
+ ok = request.send(:"#{method.to_s.downcase}?")
+ raise OSM::APIBadMethodError, method unless ok
+ end
+
+ ##
+ # wrap an api call in a timeout
+ def api_call_timeout(&block)
+ Timeout.timeout(Settings.api_timeout, &block)
+ rescue ActionView::Template::Error => e
+ e = e.cause
+
+ if e.is_a?(Timeout::Error) ||
+ (e.is_a?(ActiveRecord::StatementInvalid) && e.message.include?("execution expired"))
+ ActiveRecord::Base.connection.raw_connection.cancel
+ raise OSM::APITimeoutError
+ else
+ raise
+ end
+ rescue Timeout::Error
+ ActiveRecord::Base.connection.raw_connection.cancel
+ raise OSM::APITimeoutError
+ end
+
+ ##
+ # check the api change rate limit
+ def check_rate_limit(new_changes = 1)
+ max_changes = ActiveRecord::Base.connection.select_value(
+ "SELECT api_rate_limit($1)", "api_rate_limit", [current_user.id]
+ )
+
+ raise OSM::APIRateLimitExceeded if new_changes > max_changes
+ end