200 lines
6.4 KiB
PHP
200 lines
6.4 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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* @category Controllers
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* @author Deon George
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* @copyright (c) 2009-2013 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 Kohana_Controller_Template {
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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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* 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->load('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__)));
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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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// Actions that start with ajax, should only be ajax
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if (! Kohana::$config->load('debug')->ajax AND preg_match('/^ajax/',Request::current()->action()) AND ! Request::current()->is_ajax())
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throw HTTP_Exception::factory(412,_('Unable to fulfil request.'));
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parent::before();
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// Check user auth and role
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if ($this->_auth_required()) {
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if (PHP_SAPI === '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 ($this->request->is_ajax())
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throw HTTP_Exception::factory(403,_('You dont have enough permissions.'));
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else
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HTTP::redirect('login/noaccess');
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} else {
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Session::instance()->set('afterlogin',Request::detect_uri());
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HTTP::redirect($this->noauth_redirect);
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}
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}
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if (! $this->auto_render)
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return;
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// For AJAX calls, we dont need to render the complete page.
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if ($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;
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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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// Our default script(s)
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foreach (array('file'=>array_reverse(array(
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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->shownavbar = TRUE;
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$this->template->content = '';
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$this->template->footer = '';
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}
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public function after() {
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if ($this->auto_render) {
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$this->template->navbar = $this->template->shownavbar ? View::factory('pages/navbar') : '';
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if (empty($this->template->content))
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$this->template->content = Block::factory()->render_all();
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// Adjust our breadcrumb
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if (isset(URL::$method_directory[strtolower($this->request->directory())]))
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BreadCrumb::name(URL::$method_directory[strtolower($this->request->directory())],$this->request->directory());
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// Application Title
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if (class_exists('Model_Module') AND $mo=ORM::factory('Module',array('name'=>Request::current()->controller())) AND $mo->loaded())
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$this->meta->title = sprintf('%s: %s',Kohana::$config->load('config')->appname,$mo->display('name'));
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else
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$this->meta->title = Kohana::$config->load('config')->appname;
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// Description
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$this->meta->description = sprintf('%s::%s',$this->request->controller(),$this->request->action());
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// For any ajax rendered actions, we'll need to capture the content and put it in the response
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} elseif ($this->request->is_ajax()) {
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$output = Style::factory()->render_all();
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$output .= Script::factory()->render_all();
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if (! isset($this->template->content) AND $this->response->body())
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$output .= $this->response->body();
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else
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$output .= $this->template->content;
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$this->response->body($output);
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}
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// Used by our javascript to know what the SITE URL is.
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Script::factory()
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->type('stdin')
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->data('var site_url="'.URL::site('',TRUE).'";');
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parent::after();
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// Generate and check the ETag for this file
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if (Kohana::$environment < Kohana::TESTING OR Kohana::$config->load('debug')->etag)
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$this->check_cache(sha1($this->response->body()));
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}
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/**
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* Generate a view path to help View::factory() calls
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*
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* The purpose of this method is to ensure that we have a consistant
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* layout for our view files, including those that are needed by
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* plugins
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*
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* @param string Plugin Name (optional)
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* @deprecated
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*/
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public function viewpath($plugin='') {
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$request = Request::current();
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$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 strtolower($path);
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}
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}
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?>
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