discourse/app/controllers/static_controller.rb

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class StaticController < ApplicationController
skip_before_filter :check_xhr, :redirect_to_login_if_required
skip_before_filter :verify_authenticity_token, only: [:enter]
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def show
return redirect_to('/') if current_user && params[:id] == 'login'
map = {
"faq" => {redirect: "faq_url", topic_id: "guidelines_topic_id"},
"tos" => {redirect: "tos_url", topic_id: "tos_topic_id"},
"privacy" => {redirect: "privacy_policy_url", topic_id: "privacy_topic_id"}
}
@page = params[:id]
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if map.has_key?(@page)
site_setting_key = map[@page][:redirect]
url = SiteSetting.send(site_setting_key)
return redirect_to(url) unless url.blank?
end
# The /guidelines route ALWAYS shows our FAQ, ignoring the faq_url site setting.
@page = 'faq' if @page == 'guidelines'
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# Don't allow paths like ".." or "/" or anything hacky like that
@page.gsub!(/[^a-z0-9\_\-]/, '')
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if map.has_key?(@page)
@topic = Topic.find_by_id(SiteSetting.send(map[@page][:topic_id]))
raise Discourse::NotFound unless @topic
@body = @topic.posts.first.cooked
@faq_overriden = !SiteSetting.faq_url.blank?
render :show, layout: !request.xhr?, formats: [:html]
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return
end
file = "static/#{@page}.#{I18n.locale}"
file = "static/#{@page}.en" if lookup_context.find_all("#{file}.html").empty?
file = "static/#{@page}" if lookup_context.find_all("#{file}.html").empty?
if lookup_context.find_all("#{file}.html").any?
render file, layout: !request.xhr?, formats: [:html]
return
end
raise Discourse::NotFound
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end
# This method just redirects to a given url.
# It's used when an ajax login was successful but we want the browser to see
# a post of a login form so that it offers to remember your password.
def enter
params.delete(:username)
params.delete(:password)
redirect_to(
if params[:redirect].blank? || params[:redirect].match(login_path)
"/"
else
params[:redirect]
end
)
end
skip_before_filter :store_incoming_links, :verify_authenticity_token, only: [:cdn_asset]
def cdn_asset
path = File.expand_path(Rails.root + "public/assets/" + params[:path])
# SECURITY what if path has /../
unless path.start_with?(Rails.root.to_s + "/public/assets")
raise Discourse::NotFound
end
expires_in 1.year, public: true
response.headers["Access-Control-Allow-Origin"] = params[:origin]
begin
response.headers["Last-Modified"] = File.ctime(path).httpdate
rescue Errno::ENOENT
raise Discourse::NotFound
end
opts = {
disposition: nil
}
opts[:type] = "application/x-javascript" if path =~ /\.js$/
# we must disable acceleration otherwise NGINX strips
# access control headers
request.env['sendfile.type'] = ''
send_file(path, opts)
end
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end