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path: root/redmine/app/controllers/application.rb
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# redMine - project management software
# Copyright (C) 2006  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class ApplicationController < ActionController::Base
  before_filter :check_if_login_required, :set_localization
  
  # check if login is globally required to access the application
  def check_if_login_required
    require_login if RDM_LOGIN_REQUIRED
  end 
  
  def set_localization
    Localization.lang = session[:user].nil? ? RDM_DEFAULT_LANG : (session[:user].language || RDM_DEFAULT_LANG)
  end
  
	def require_login
		unless session[:user]
			store_location
			redirect_to(:controller => "account", :action => "login")
		end
	end

	def require_admin
		if session[:user].nil?
			store_location
			redirect_to(:controller => "account", :action => "login")
		else
			unless session[:user].admin?
				flash[:notice] = "Acces not allowed"
				redirect_to(:controller => "projects", :action => "list")
			end
		end
	end

	# authorizes the user for the requested action.
	def authorize
    # check if action is allowed on public projects
    if @project.public? and Permission.allowed_to_public "%s/%s" % [ @params[:controller], @params[:action] ]
      return true
    end  
    # if user is not logged in, he is redirect to login form
		unless session[:user]
			store_location
			redirect_to(:controller => "account", :action => "login")
			return false
		end
    # check if user is authorized    
    if session[:user].admin? or Permission.allowed_to_role( "%s/%s" % [ @params[:controller], @params[:action] ], session[:user].role_for_project(@project.id)  )    
      return true		
		end		
    flash[:notice] = "Acces denied"
    redirect_to(:controller => "")
    return false
	end
	
	# store current uri in  the session.
	# we can return to this location by calling redirect_back_or_default
	def store_location
		session[:return_to] = @request.request_uri
	end
	
	# move to the last store_location call or to the passed default one
	def redirect_back_or_default(default)
		if session[:return_to].nil?
			redirect_to default
		else
			redirect_to_url session[:return_to]
			session[:return_to] = nil
		end
	end
  
end