discourse/app/controllers/robots_txt_controller.rb

30 lines
955 B
Ruby

class RobotsTxtController < ApplicationController
layout false
skip_before_action :preload_json, :check_xhr, :redirect_to_login_if_required
def index
if SiteSetting.allow_index_in_robots_txt
path = :index
@crawler_delayed_agents = []
SiteSetting.slow_down_crawler_user_agents.split('|').each do |agent|
@crawler_delayed_agents << [agent, SiteSetting.slow_down_crawler_rate]
end
if SiteSetting.whitelisted_crawler_user_agents.present?
@allowed_user_agents = SiteSetting.whitelisted_crawler_user_agents.split('|')
@disallowed_user_agents = ['*']
elsif SiteSetting.blacklisted_crawler_user_agents.present?
@allowed_user_agents = ['*']
@disallowed_user_agents = SiteSetting.blacklisted_crawler_user_agents.split('|')
else
@allowed_user_agents = ['*']
end
else
path = :no_index
end
render path, content_type: 'text/plain'
end
end