stubbed in blank controllers/helpers/functional tests

app/controllers/application_controller.rb

@@ -1,3 +1,69 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery
+  before_filter :set_current_user
+  before_filter :initialize_cookies
+
+protected
+  def access_denied
+    previous_url = params[:url] || request.request_uri
+
+    respond_to do |fmt|
+      fmt.html do 
+        if request.get? && Rails.environment != "test"
+          redirect_to new_sessions_path(:url => previous_url), :notice => "Access denied"
+        else
+          redirect_to new_sessions_path, :notice => "Access denied"
+        end
+      end
+      fmt.xml do
+        render :xml => {:success => false, :reason => "access denied"}.to_xml(:root => "response"), :status => 403
+      end
+      fmt.json do
+        render :json => {:success => false, :reason => "access denied"}.to_json, :status => 403
+      end
+    end
+  end
+
+  def set_current_user
+    if @current_user == nil && session[:user_id]
+      @current_user = User.find_by_id(session[:user_id])
+    end
+
+    if @current_user == nil && params[:user]
+      @current_user = User.authenticate(params[:user][:name], params[:user][:password])
+    end
+    
+    if @current_user == nil && params[:api]
+      @current_user = User.authenticate(params[:api][:key], params[:api][:hash])
+    end
+
+    if @current_user
+      if @current_user.is_banned? && @current_user.ban && @current_user.ban.expires_at < Time.now
+        @current_user.update_attribute(:is_banned, false)
+        Ban.destroy_all("user_id = #{@current_user.id}")
+      end
+
+      session[:user_id] = @current_user.id
+    else
+      @current_user = AnonymousUser.new
+    end
+  end
+  
+  %w(banned privileged contributor janitor moderator admin).each do |level|
+    define_method("#{level}_only") do
+      if @current_user.__send__("is_#{level}?")
+        true
+      else
+        access_denied()
+      end
+    end
+  end
+
+  def initialize_cookies
+    if @current_user.is_anonymous?
+      cookies["blacklisted_tags"] = ""
+    else
+      cookies["blacklisted_tags"] = @current_user.blacklisted_tags
+    end
+  end
 end