journalduhacker/app/controllers/application_controller.rb

77 lines
1.7 KiB
Ruby

class ApplicationController < ActionController::Base
protect_from_forgery
before_filter :authenticate_user
before_filter :increase_traffic_counter
TRAFFIC_DECREMENTER = 0.15
TAG_FILTER_COOKIE = :tag_filters
def authenticate_user
if session[:u]
@user = User.where(:session_token => session[:u].to_s).first
end
true
end
def increase_traffic_counter
@traffic = 1.0
if user_is_spider? || [ "json", "rss" ].include?(params[:format])
return true
end
Keystore.transaction do
date = (Keystore.value_for("traffic:date") || Time.now.to_i)
traffic = (Keystore.incremented_value_for("traffic:hits", 0).
to_f / 100.0) + 1.0
# every second, decrement traffic by some amount
@traffic = [ 1.0, traffic.to_f -
((Time.now.to_i - date) * TRAFFIC_DECREMENTER) ].max
Keystore.put("traffic:date", Time.now.to_i)
Keystore.put("traffic:hits", (@traffic * 100.0).to_i)
end
Rails.logger.info " Traffic level: #{@traffic}"
true
end
def require_logged_in_user
if @user
true
else
redirect_to "/login"
end
end
def require_logged_in_user_or_400
if @user
true
else
render :text => "not logged in", :status => 400
return false
end
end
@_tags_filtered = nil
def tags_filtered_by_cookie
@_tags_filtered ||= Tag.where(
:tag => cookies[TAG_FILTER_COOKIE].to_s.split(",")
)
end
def user_is_spider?
!!request.env["HTTP_USER_AGENT"].to_s.match(/Googlebot/)
end
def find_user_from_rss_token
if !@user && request[:format] == "rss" && params[:token].to_s.present?
@user = User.where(:rss_token => params[:token].to_s).first
end
end
end