Added branch for sys controller refactoring.

git-svn-id: http://redmine.rubyforge.org/svn/branches/work@1006 e93f8b46-1217-0410-a6f0-8f06a7374b81

rest_sys/app/controllers/application.rb

@@ -0,0 +1,179 @@
+# redMine - project management software
+# Copyright (C) 2006-2007  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 :user_setup, :check_if_login_required, :set_localization
+  filter_parameter_logging :password
+  
+  REDMINE_SUPPORTED_SCM.each do |scm|
+    require_dependency "repository/#{scm.underscore}"
+  end
+  
+  def current_role
+    @current_role ||= User.current.role_for_project(@project)
+  end
+  
+  def user_setup
+    Setting.check_cache
+    if session[:user_id]
+      # existing session
+      User.current = User.find(session[:user_id])
+    elsif cookies[:autologin] && Setting.autologin?
+      # auto-login feature
+      User.current = User.find_by_autologin_key(cookies[:autologin])
+    elsif params[:key] && accept_key_auth_actions.include?(params[:action])
+      # RSS key authentication
+      User.current = User.find_by_rss_key(params[:key])
+    else
+      User.current = User.anonymous
+    end
+  end
+  
+  # check if login is globally required to access the application
+  def check_if_login_required
+    # no check needed if user is already logged in
+    return true if User.current.logged?
+    require_login if Setting.login_required?
+  end 
+  
+  def set_localization
+    lang = begin
+      if !User.current.language.blank? and GLoc.valid_languages.include? User.current.language.to_sym
+        User.current.language
+      elsif request.env['HTTP_ACCEPT_LANGUAGE']
+        accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first.split('-').first
+        if accept_lang and !accept_lang.empty? and GLoc.valid_languages.include? accept_lang.to_sym
+          accept_lang
+        end
+      end
+    rescue
+      nil
+    end || Setting.default_language
+    set_language_if_valid(lang)    
+  end
+  
+  def require_login
+    if !User.current.logged?
+      store_location
+      redirect_to :controller => "account", :action => "login"
+      return false
+    end
+    true
+  end
+
+  def require_admin
+    return unless require_login
+    if !User.current.admin?
+      render_403
+      return false
+    end
+    true
+  end
+
+  # Authorize the user for the requested action
+  def authorize(ctrl = params[:controller], action = params[:action])
+    allowed = User.current.allowed_to?({:controller => ctrl, :action => action}, @project)
+    allowed ? true : (User.current.logged? ? render_403 : require_login)
+  end
+  
+  # make sure that the user is a member of the project (or admin) if project is private
+  # used as a before_filter for actions that do not require any particular permission on the project
+  def check_project_privacy
+    unless @project.active?
+      @project = nil
+      render_404
+      return false
+    end
+    return true if @project.is_public? || User.current.member_of?(@project) || User.current.admin?
+    User.current.logged? ? render_403 : require_login
+  end
+
+  # store current uri in session.
+  # return to this location by calling redirect_back_or_default
+  def store_location
+    session[:return_to_params] = params
+  end
+
+  # move to the last store_location call or to the passed default one
+  def redirect_back_or_default(default)
+    if session[:return_to_params].nil?
+      redirect_to default
+    else
+      redirect_to session[:return_to_params]
+      session[:return_to_params] = nil
+    end
+  end
+  
+  def render_403
+    @project = nil
+    render :template => "common/403", :layout => !request.xhr?, :status => 403
+    return false
+  end
+    
+  def render_404
+    render :template => "common/404", :layout => !request.xhr?, :status => 404
+    return false
+  end
+  
+  def render_feed(items, options={})    
+    @items = items || []
+    @items.sort! {|x,y| y.event_datetime <=> x.event_datetime }
+    @title = options[:title] || Setting.app_title
+    render :template => "common/feed.atom.rxml", :layout => false, :content_type => 'application/atom+xml'
+  end
+  
+  def self.accept_key_auth(*actions)
+    actions = actions.flatten.map(&:to_s)
+    write_inheritable_attribute('accept_key_auth_actions', actions)
+  end
+  
+  def accept_key_auth_actions
+    self.class.read_inheritable_attribute('accept_key_auth_actions') || []
+  end
+  
+  # TODO: move to model
+  def attach_files(obj, files)
+    attachments = []
+    if files && files.is_a?(Array)
+      files.each do |file|
+        next unless file.size > 0
+        a = Attachment.create(:container => obj, :file => file, :author => User.current)
+        attachments << a unless a.new_record?
+      end
+    end
+    attachments
+  end
+
+  # qvalues http header parser
+  # code taken from webrick
+  def parse_qvalues(value)
+    tmp = []
+    if value
+      parts = value.split(/,\s*/)
+      parts.each {|part|
+        if m = %r{^([^\s,]+?)(?:;\s*q=(\d+(?:\.\d+)?))?$}.match(part)
+          val = m[1]
+          q = (m[2] or 1).to_f
+          tmp.push([val, q])
+        end
+      }
+      tmp = tmp.sort_by{|val, q| -q}
+      tmp.collect!{|val, q| val}
+    end
+    return tmp
+  end
+end