Redmine/app/controllers/application_controller.rb

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# 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.
require 'uri'
require 'cgi'
class ApplicationController < ActionController::Base
include Redmine::I18n
layout 'base'
before_filter :user_setup, :check_if_login_required, :set_localization
filter_parameter_logging :password
include Redmine::MenuManager::MenuController
helper Redmine::MenuManager::MenuHelper
REDMINE_SUPPORTED_SCM.each do |scm|
require_dependency "repository/#{scm.underscore}"
end
def user_setup
# Check the settings cache for each request
Setting.check_cache
# Find the current user
User.current = find_current_user
end
# Returns the current user or nil if no user is logged in
# and starts a session if needed
def find_current_user
if session[:user_id]
# existing session
(User.active.find(session[:user_id]) rescue nil)
elsif cookies[:autologin] && Setting.autologin?
# auto-login feature starts a new session
user = User.try_to_autologin(cookies[:autologin])
session[:user_id] = user.id if user
user
elsif params[:format] == 'atom' && params[:key] && accept_key_auth_actions.include?(params[:action])
# RSS key authentication does not start a session
User.find_by_rss_key(params[:key])
end
end
# Sets the logged in user
def logged_user=(user)
if user && user.is_a?(User)
User.current = user
session[:user_id] = user.id
else
User.current = User.anonymous
session[:user_id] = nil
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 = nil
if User.current.logged?
lang = find_language(User.current.language)
end
if lang.nil? && request.env['HTTP_ACCEPT_LANGUAGE']
accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first.downcase
if !accept_lang.blank?
lang = find_language(accept_lang) || find_language(accept_lang.split('-').first)
end
end
lang ||= Setting.default_language
set_language_if_valid(lang)
end
def require_login
if !User.current.logged?
redirect_to :controller => "account", :action => "login", :back_url => url_for(params)
return false
end
true
end
def require_admin
return unless require_login
if !User.current.admin?
render_403
return false
end
true
end
def deny_access
User.current.logged? ? render_403 : require_login
end
# Authorize the user for the requested action
def authorize(ctrl = params[:controller], action = params[:action], global = false)
allowed = User.current.allowed_to?({:controller => ctrl, :action => action}, @project, :global => global)
allowed ? true : deny_access
end
# Authorize the user for the requested action outside a project
def authorize_global(ctrl = params[:controller], action = params[:action], global = true)
authorize(ctrl, action, global)
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
if @project && @project.active?
if @project.is_public? || User.current.member_of?(@project) || User.current.admin?
true
else
User.current.logged? ? render_403 : require_login
end
else
@project = nil
render_404
false
end
end
def redirect_back_or_default(default)
back_url = CGI.unescape(params[:back_url].to_s)
if !back_url.blank?
begin
uri = URI.parse(back_url)
# do not redirect user to another host or to the login or register page
if (uri.relative? || (uri.host == request.host)) && !uri.path.match(%r{/(login|account/register)})
redirect_to(back_url) and return
end
rescue URI::InvalidURIError
# redirect to default
end
end
redirect_to default
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_error(msg)
flash.now[:error] = msg
render :text => '', :layout => !request.xhr?, :status => 500
end
def render_feed(items, options={})
@items = items || []
@items.sort! {|x,y| y.event_datetime <=> x.event_datetime }
@items = @items.slice(0, Setting.feeds_limit.to_i)
@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, attachments)
attached = []
unsaved = []
if attachments && attachments.is_a?(Hash)
attachments.each_value do |attachment|
file = attachment['file']
next unless file && file.size > 0
a = Attachment.create(:container => obj,
:file => file,
:description => attachment['description'].to_s.strip,
:author => User.current)
a.new_record? ? (unsaved << a) : (attached << a)
end
if unsaved.any?
flash[:warning] = l(:warning_attachments_not_saved, unsaved.size)
end
end
attached
end
# Returns the number of objects that should be displayed
# on the paginated list
def per_page_option
per_page = nil
if params[:per_page] && Setting.per_page_options_array.include?(params[:per_page].to_s.to_i)
per_page = params[:per_page].to_s.to_i
session[:per_page] = per_page
elsif session[:per_page]
per_page = session[:per_page]
else
per_page = Setting.per_page_options_array.first || 25
end
per_page
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
rescue
nil
end
# Returns a string that can be used as filename value in Content-Disposition header
def filename_for_content_disposition(name)
request.env['HTTP_USER_AGENT'] =~ %r{MSIE} ? ERB::Util.url_encode(name) : name
end
end