1: <?php
2:
3: /**
4: * Picon Framework
5: * http://code.google.com/p/picon-framework/
6: *
7: * Copyright (C) 2011-2012 Martin Cassidy <martin.cassidy@webquub.com>
8:
9: * Picon Framework is free software: you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation, either version 3 of the License, or
12: * (at your option) any later version.
13:
14: * Picon Framework is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: * General Public License for more details.
18:
19: * You should have received a copy of the GNU General Public License
20: * along with Picon Framework. If not, see <http://www.gnu.org/licenses/>.
21: * */
22:
23: namespace picon;
24:
25: /**
26: * An authorisation strategy for web pages. A page requires an authorised
27: * use if it is a sub class of a given page
28: *
29: * @author Martin Cassidy
30: * @package web/security/authorisation
31: */
32: abstract class AbstractPageClassAuthorisationStrategy implements AuthorisationStrategy
33: {
34: private $pageAuthIdentifier;
35: private $loginPageIdentifier;
36:
37: public function __construct(Identifier $pageIdentifier, Identifier $loginPage)
38: {
39: Args::identifierOf($pageIdentifier, WebPage::getIdentifier(), 'pageIdentifier');
40: Args::identifierOf($loginPage, WebPage::getIdentifier(), 'loginPage');
41: $this->pageAuthIdentifier = $pageIdentifier;
42: $this->loginPageIdentifier = $loginPage;
43: PiconApplication::get()->getSecuritySettings()->setComponentNotAuthorisedListener(new DirectToPageComponentNotAuthorisedListener($loginPage));
44: }
45:
46: public function isComponentInstantiationAuthorised(Component $component)
47: {
48: if($component instanceof WebPage && $component->getIdentifier()->of($this->pageAuthIdentifier))
49: {
50: return $this->isAuthorised();
51: }
52: return true;
53: }
54:
55: protected abstract function isAuthorised();
56: }
57:
58: ?>
59: