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lnapp/classes/lnApp/Controller/TemplateDefault.php

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<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This class provides the default template controller for rendering pages.
*
* @package lnApp
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* @category Controllers
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* @author Deon George
* @copyright (c) 2009-2013 Deon George
* @license http://dev.leenooks.net/license.html
*/
abstract class lnApp_Controller_TemplateDefault extends Kohana_Controller_Template {
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/**
* @var object meta object information as per [meta]
*/
protected $meta;
/**
* Controls access to this controller.
* Can be set to a string or an array, for example 'login' or array('login', 'admin')
* Note that in second(array) example, user must have both 'login' AND 'admin' roles set in database
*
* @var boolean is authenticate required with this controller
*/
protected $auth_required = FALSE;
/**
* If redirecting to a login page, which page to redirect to
*/
protected $noauth_redirect = 'login';
/**
* Controls access for separate actions, eg:
* 'adminpanel' => 'admin' will only allow users with the role admin to access action_adminpanel
* 'moderatorpanel' => array('login', 'moderator') will only allow users with the roles login and moderator to access action_moderatorpanel
*
* @var array actions that require a valid user
*/
protected $secure_actions = array();
/**
* Check and see if this controller needs authentication
*
* if $this->auth_required is TRUE, then the user must be logged in only.
* if $this->auth_required is FALSE, AND $this->secure_actions has an array of
* methods set to TRUE, then the user must be logged in AND a member of the
* role.
*
* @return boolean
*/
protected function _auth_required() {
// If our global configurable is disabled, then continue
if (! Kohana::$config->load('config')->method_security)
return FALSE;
return (($this->auth_required !== FALSE && Auth::instance()->logged_in(NULL,get_class($this).'|'.__METHOD__) === FALSE) ||
(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__)));
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}
/**
* Loads the template [View] object.
*
* Page information is provided by [meta].
* @uses meta
*/
public function before() {
// Actions that start with ajax, should only be ajax
if (! Kohana::$config->load('debug')->ajax AND preg_match('/^ajax/',Request::current()->action()) AND ! Request::current()->is_ajax())
throw HTTP_Exception::factory(412,_('Unable to fulfil request.'));
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parent::before();
// Do not template media files
if ($this->request->action() === 'media') {
$this->auto_render = FALSE;
return;
}
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// Check user auth and role
if ($this->_auth_required()) {
if (PHP_SAPI === 'cli')
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throw new Kohana_Exception('Cant run :method, authentication not possible',array(':method'=>$this->request->action()));
// If auth is required and the user is logged in, then they dont have access.
// (We have already checked authorisation.)
if (Auth::instance()->logged_in(NULL,get_class($this).'|'.__METHOD__)) {
if ($this->request->is_ajax())
throw HTTP_Exception::factory(403,_('You dont have enough permissions.'));
else
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if (! Kohana::$config->load('debug')->disabled_noaccess_redirect)
HTTP::redirect('login/noaccess');
else
throw HTTP_Exception::factory(501,'I would redirect you here - no ACCESS');
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} else {
Session::instance()->set('afterlogin',Request::detect_uri());
HTTP::redirect($this->noauth_redirect);
}
}
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if (! $this->auto_render)
return;
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// For AJAX calls, we dont need to render the complete page.
if ($this->request->is_ajax() OR (Kohana::$config->load('debug')->ajax AND preg_match('/^ajax/',Request::current()->action()))) {
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$this->auto_render = FALSE;
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return;
}
// Bind our template meta variable
$this->meta = new Meta;
View::bind_global('meta',$this->meta);
// Our default script(s)
foreach (array('file'=>array_reverse(array(
))) as $type => $datas) {
foreach ($datas as $data) {
Script::add(array(
'type'=>$type,
'data'=>$data,
),TRUE);
}
}
// Initialise our content
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$this->template->shownavbar = TRUE;
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$this->template->content = '';
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$this->template->footer = '';
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}
public function after() {
if ($this->auto_render) {
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$this->template->navbar = $this->template->shownavbar ? View::factory('pages/navbar') : '';
if (empty($this->template->content))
$this->template->content = Block::factory()->render_all();
// Adjust our breadcrumb
if (isset(URL::$method_directory[strtolower($this->request->directory())]))
BreadCrumb::name(URL::$method_directory[strtolower($this->request->directory())],$this->request->directory());
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// Application Title
if (class_exists('Model_Module') AND $mo=ORM::factory('Module',array('name'=>Request::current()->controller())) AND $mo->loaded())
$this->meta->title = sprintf('%s: %s',Kohana::$config->load('config')->appname,$mo->display('name'));
else
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$this->meta->title = Kohana::$config->load('config')->appname;
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// Description
$this->meta->description = sprintf('%s::%s',$this->request->controller(),$this->request->action());
// For any ajax rendered actions, we'll need to capture the content and put it in the response
} elseif ($this->request->is_ajax()) {
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$output = Style::factory()->render_all();
$output .= Script::factory()->render_all();
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if (! isset($this->template->content))
$output .= $this->response->body() ? $this->response->body() : '';
else
$output .= $this->template->content;
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$this->response->body($output);
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}
// Used by our javascript to know what the SITE URL is.
Script::factory()
->type('stdin')
->data('var site_url="'.URL::site('',TRUE).'";');
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parent::after();
// Generate and check the ETag for this file
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if (Kohana::$environment < Kohana::TESTING OR Kohana::$config->load('debug')->etag)
$this->check_cache(sha1($this->response->body()));
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}
/**
* Generate a view path to help View::factory() calls
*
* The purpose of this method is to ensure that we have a consistant
* layout for our view files, including those that are needed by
* plugins
*
* @param string Plugin Name (optional)
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* @deprecated
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*/
public function viewpath($plugin='') {
$request = Request::current();
$path = $request->controller();
if ($request->directory())
$path .= ($path ? '/' : '').$request->directory();
if ($plugin)
$path .= ($path ? '/' : '').$plugin;
$path .= ($path ? '/' : '').$request->action();
return strtolower($path);
}
}
?>