mirror of
https://github.com/discourse/discourse.git
synced 2024-11-27 23:26:18 +08:00
106 lines
3.2 KiB
Ruby
106 lines
3.2 KiB
Ruby
class StaticController < ApplicationController
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skip_before_filter :check_xhr, :redirect_to_login_if_required
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skip_before_filter :verify_authenticity_token, only: [:enter]
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def show
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return redirect_to('/') if current_user && params[:id] == 'login'
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map = {
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"faq" => {redirect: "faq_url", topic_id: "guidelines_topic_id"},
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"tos" => {redirect: "tos_url", topic_id: "tos_topic_id"},
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"privacy" => {redirect: "privacy_policy_url", topic_id: "privacy_topic_id"}
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}
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@page = params[:id]
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if map.has_key?(@page)
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site_setting_key = map[@page][:redirect]
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url = SiteSetting.send(site_setting_key)
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return redirect_to(url) unless url.blank?
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end
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# The /guidelines route ALWAYS shows our FAQ, ignoring the faq_url site setting.
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@page = 'faq' if @page == 'guidelines'
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# Don't allow paths like ".." or "/" or anything hacky like that
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@page.gsub!(/[^a-z0-9\_\-]/, '')
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if map.has_key?(@page)
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@topic = Topic.find_by_id(SiteSetting.send(map[@page][:topic_id]))
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raise Discourse::NotFound unless @topic
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@body = @topic.posts.first.cooked
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@faq_overriden = !SiteSetting.faq_url.blank?
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render :show, layout: !request.xhr?, formats: [:html]
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return
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end
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if I18n.exists?("static.#{@page}")
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render text: I18n.t("static.#{@page}"), layout: !request.xhr?, formats: [:html]
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return
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end
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file = "static/#{@page}.#{I18n.locale}"
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file = "static/#{@page}.en" if lookup_context.find_all("#{file}.html").empty?
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file = "static/#{@page}" if lookup_context.find_all("#{file}.html").empty?
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if lookup_context.find_all("#{file}.html").any?
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render file, layout: !request.xhr?, formats: [:html]
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return
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end
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raise Discourse::NotFound
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end
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# This method just redirects to a given url.
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# It's used when an ajax login was successful but we want the browser to see
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# a post of a login form so that it offers to remember your password.
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def enter
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params.delete(:username)
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params.delete(:password)
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destination = "/"
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if params[:redirect].present? && !params[:redirect].match(login_path)
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begin
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forum_uri = URI(Discourse.base_url)
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uri = URI(params[:redirect])
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if uri.path.present? && (uri.host.blank? || uri.host == forum_uri.host)
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destination = uri.path
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end
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rescue URI::InvalidURIError
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# Do nothing if the URI is invalid
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end
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end
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redirect_to destination
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end
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skip_before_filter :verify_authenticity_token, only: [:cdn_asset]
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def cdn_asset
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path = File.expand_path(Rails.root + "public/assets/" + params[:path])
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# SECURITY what if path has /../
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unless path.start_with?(Rails.root.to_s + "/public/assets")
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raise Discourse::NotFound
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end
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expires_in 1.year, public: true
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response.headers["Access-Control-Allow-Origin"] = params[:origin]
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begin
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response.headers["Last-Modified"] = File.ctime(path).httpdate
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rescue Errno::ENOENT
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raise Discourse::NotFound
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end
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opts = {
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disposition: nil
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}
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opts[:type] = "application/x-javascript" if path =~ /\.js$/
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# we must disable acceleration otherwise NGINX strips
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# access control headers
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request.env['sendfile.type'] = ''
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send_file(path, opts)
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end
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end
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