274 lines
8.5 KiB
PHP
274 lines
8.5 KiB
PHP
<?php defined('SYSPATH') or die('No direct access allowed.');
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/**
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* This class provides the default template controller for rendering pages.
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*
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* @package lnApp
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* @subpackage Page/Template
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* @category Controllers
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* @author Deon George
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* @copyright (c) 2010 Deon George
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* @license http://dev.leenooks.net/license.html
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*/
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abstract class lnApp_Controller_TemplateDefault extends Controller_Template {
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/**
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* @var string page template
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*/
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public $template = 'lnapp/default';
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/**
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* @var object meta object information as per [meta]
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*/
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protected $meta;
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/**
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* Controls access to this controller.
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* Can be set to a string or an array, for example 'login' or array('login', 'admin')
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* Note that in second(array) example, user must have both 'login' AND 'admin' roles set in database
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*
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* @var boolean is authenticate required with this controller
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*/
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protected $auth_required = FALSE;
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/**
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* If redirecting to a login page, which page to redirect to
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*/
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protected $noauth_redirect = 'login';
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/**
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* Controls access for separate actions, eg:
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* 'adminpanel' => 'admin' will only allow users with the role admin to access action_adminpanel
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* 'moderatorpanel' => array('login', 'moderator') will only allow users with the roles login and moderator to access action_moderatorpanel
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*
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* @var array actions that require a valid user
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*/
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protected $secure_actions = array(
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);
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public function __construct(Request $request,Response $response) {
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// Our Menu's can run without method authentication by default.
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if (! isset($this->secure_actions['menu']))
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$this->secure_actions['menu'] = FALSE;
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return parent::__construct($request,$response);
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}
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/**
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* Check and see if this controller needs authentication
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*
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* if $this->auth_required is TRUE, then the user must be logged in only.
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* if $this->auth_required is FALSE, AND $this->secure_actions has an array of
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* methods set to TRUE, then the user must be logged in AND a member of the
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* role.
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*
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* @return boolean
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*/
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protected function _auth_required() {
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// If our global configurable is disabled, then continue
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if (! Kohana::Config('config.method_security'))
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return FALSE;
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return (($this->auth_required !== FALSE && Auth::instance()->logged_in(NULL,get_class($this).'|'.__METHOD__) === FALSE) ||
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(is_array($this->secure_actions) && array_key_exists($this->request->action(),$this->secure_actions) &&
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Auth::instance()->logged_in($this->secure_actions[$this->request->action()],get_class($this).'|'.__METHOD__) === FALSE));
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}
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/**
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* Loads the template [View] object.
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*
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* Page information is provided by [meta].
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* @uses meta
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*/
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public function before() {
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// Do not template media files
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if ($this->request->action() === 'media') {
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$this->auto_render = FALSE;
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return;
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}
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$TEST = FALSE;
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// Actions that start with ajax, should only be ajax
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if (preg_match('/^ajax/',Request::current()->action()) AND ! Request::current()->is_ajax() AND ! $TEST)
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die();
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parent::before();
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// Check user auth and role
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if ($this->_auth_required()) {
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if (Kohana::$is_cli)
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throw new Kohana_Exception('Cant run :method, authentication not possible',array(':method'=>$this->request->action()));
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// If auth is required and the user is logged in, then they dont have access.
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// (We have already checked authorisation.)
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if (Auth::instance()->logged_in(NULL,get_class($this).'|'.__METHOD__)) {
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if (Config::sitemode() == Kohana::DEVELOPMENT)
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SystemMessage::add(array(
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'title'=>_('Insufficient Access'),
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'type'=>'debug',
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'body'=>Debug::vars(array('required'=>$this->auth_required,'action'=>$this->request->action(),'user'=>Auth::instance()->get_user()->username)),
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));
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// @todo Login No Access redirects are not handled in JS?
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if ($this->request->is_ajax()) {
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echo _('You dont have enough permissions.');
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die();
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} else
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Request::current()->redirect('login/noaccess');
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} else {
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Session::instance()->set('afterlogin',Request::detect_uri());
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Request::current()->redirect($this->noauth_redirect);
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}
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}
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// For AJAX calls, we dont need to render the complete page.
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if ($this->request->is_ajax()) {
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$this->auto_render = FALSE;
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return;
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}
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// Bind our template meta variable
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$this->meta = new meta;
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View::bind_global('meta',$this->meta);
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// Add our logo
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Style::add(array(
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'type'=>'stdin',
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'data'=>'h1 span{background:url('.Config::logo_uri().') no-repeat;}',
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));
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// Our default script(s)
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foreach (array('file'=>array_reverse(array(
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'js/jquery-1.6.4.min.js',
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'js/jquery.jstree-1.0rc3.js',
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'js/jquery.cookie.js',
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))) as $type => $datas) {
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foreach ($datas as $data) {
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Script::add(array(
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'type'=>$type,
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'data'=>$data,
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),TRUE);
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}
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}
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// Initialise our content
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$this->template->left = '';
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$this->template->content = '';
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$this->template->right = '';
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}
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public function after() {
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if (! is_string($this->template) AND empty($this->template->content))
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$this->template->content = Block::factory();
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if ($this->auto_render) {
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// Application Title
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if ($mo=ORM::factory('module',array('name'=>Request::current()->controller())) AND $mo->loaded())
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$this->meta->title = sprintf('%s: %s',Kohana::Config('config.appname'),$mo->display('name'));
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else
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$this->meta->title = Kohana::Config('config.appname');
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$this->template->title = '';
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// Language
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$this->meta->language = Config::instance()->so->language->iso;
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// Description
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$this->meta->description = sprintf('%s::%s',$this->request->controller(),$this->request->action());
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// Link images on the header line
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$this->template->headimages = $this->_headimages();
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// System Messages line
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$this->template->sysmsg = $this->_sysmsg();
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// Left Item
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$this->template->left = $this->_left();
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// Right Item
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$this->template->right = $this->_right();
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// Footer
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$this->template->footer = $this->_footer();
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// For any ajax rendered actions, we'll need to capture the content and put it in the response
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} elseif ($this->request->is_ajax() && isset($this->template->content) && ! $this->response->body()) {
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// @todo move this formatting to a view?
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if ($s = $this->_sysmsg() AND (string)$s)
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$this->response->body(sprintf('<table class="sysmsg"><tr><td>%s</td></tr></table>',$s));
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// In case there any style sheets for this render.
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$this->response->bodyadd(Style::factory());
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// Since we are ajax, we should re-render the breadcrumb
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Session::instance()->set('breadcrumb',(string)Breadcrumb::factory());
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$this->response->bodyadd(Script::add(array('type'=>'stdin','data'=>'$().ready($("#ajCONTROL").load("'.URL::site('welcome/breadcrumb').'",null,function(x,s,r) {}));')));
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// In case there any javascript for this render.
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$this->response->bodyadd(Script::factory());
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// Get the response body
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$this->response->bodyadd(sprintf('<table class="content"><tr><td>%s</td></tr></table>',$this->template->content));
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}
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parent::after();
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// Generate and check the ETag for this file
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if (Kohana::$environment === Kohana::PRODUCTION)
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$this->response->check_cache(NULL,$this->request);
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}
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/**
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* Default Method to call from the tree menu
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*/
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public function action_menu() {
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$this->template->content = _('Please choose from the menu on the left - you may need to expand the items by pressing on the plus.');
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}
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protected function _headimages() {
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HeadImages::add(array(
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'url'=>'http://dev.leenooks.net',
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'img'=>'img/forum-big.png',
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'attrs'=>array('onclick'=>"target='_blank';",'title'=>'Link')
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));
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return HeadImages::factory();
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}
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protected function _sysmsg() {
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return SystemMessage::factory();
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}
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protected function _left() {
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return empty($this->template->left) ? Controller_Tree::js() : $this->template->left;
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}
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protected function _right() {
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return empty($this->template->right) ? '' : $this->template->right;
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}
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public function _footer() {
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return sprintf('© %s',Config::SiteName());
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}
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/**
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* Generate a view path to help View::factory() calls
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*
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* The purpose of this method is to ensure that we have a consistant
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* layout for our view files, including those that are needed by
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* plugins
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*
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* @param string Plugin Name (optional)
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*/
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public function viewpath($plugin='') {
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$request = Request::current();
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$path = '';
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$path .= $request->controller();
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if ($request->directory())
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$path .= ($path ? '/' : '').$request->directory();
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if ($plugin)
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$path .= ($path ? '/' : '').$plugin;
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$path .= ($path ? '/' : '').$request->action();;
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return $path;
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}
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}
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?>
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