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<?php
/**
 * CakePHP(tm) Tests <http://book.cakephp.org/view/1196/Testing>
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://book.cakephp.org/view/1196/Testing CakePHP(tm) Tests
 * @package       Cake.Test.Case.Routing.Filter
 * @since         CakePHP(tm) v 2.2
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

App::uses('AssetDispatcher', 'Routing/Filter');
App::uses('CakeEvent', 'Event');
App::uses('CakeResponse', 'Network');

/**
 * Class AssetDispatcherTest
 *
 * @package       Cake.Test.Case.Routing.Filter
 */
class AssetDispatcherTest extends CakeTestCase {

/**
 * tearDown method
 *
 * @return void
 */
        public function tearDown() {
                parent::tearDown();
                Configure::write('Dispatcher.filters', array());
        }

/**
 * test that asset filters work for theme and plugin assets
 *
 * @return void
 */
        public function testAssetFilterForThemeAndPlugins() {
                $filter = new AssetDispatcher();
                $response = $this->getMock('CakeResponse', array('_sendHeader'));
                Configure::write('Asset.filter', array(
                        'js' => '',
                        'css' => ''
                ));
                App::build(array(
                        'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
                        'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
                ), APP::RESET);

                $request = new CakeRequest('theme/test_theme/ccss/cake.generic.css');
                $event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
                $this->assertSame($response, $filter->beforeDispatch($event));
                $this->assertTrue($event->isStopped());

                $request = new CakeRequest('theme/test_theme/cjs/debug_kit.js');
                $event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
                $this->assertSame($response, $filter->beforeDispatch($event));
                $this->assertTrue($event->isStopped());

                $request = new CakeRequest('test_plugin/ccss/cake.generic.css');
                $event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
                $this->assertSame($response, $filter->beforeDispatch($event));
                $this->assertTrue($event->isStopped());

                $request = new CakeRequest('test_plugin/cjs/debug_kit.js');
                $event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
                $this->assertSame($response, $filter->beforeDispatch($event));
                $this->assertTrue($event->isStopped());

                $request = new CakeRequest('css/ccss/debug_kit.css');
                $event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
                $this->assertNull($filter->beforeDispatch($event));
                $this->assertFalse($event->isStopped());

                $request = new CakeRequest('js/cjs/debug_kit.js');
                $event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
                $this->assertNull($filter->beforeDispatch($event));
                $this->assertFalse($event->isStopped());
        }

/**
 * Tests that $response->checkNotModified() is called and bypasses
 * file dispatching
 *
 * @return void
 */
        public function testNotModified() {
                $filter = new AssetDispatcher();
                Configure::write('Asset.filter', array(
                        'js' => '',
                        'css' => ''
                ));
                App::build(array(
                        'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
                        'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
                ));
                $time = filemtime(App::themePath('TestTheme') . 'webroot' . DS . 'img' . DS . 'cake.power.gif');
                $time = new DateTime('@' . $time);

                $response = $this->getMock('CakeResponse', array('send', 'checkNotModified'));
                $request = new CakeRequest('theme/test_theme/img/cake.power.gif');

                $response->expects($this->once())->method('checkNotModified')
                        ->with($request)
                        ->will($this->returnValue(true));
                $event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));

                ob_start();
                $this->assertSame($response, $filter->beforeDispatch($event));
                ob_end_clean();
                $this->assertEquals(200, $response->statusCode());
                $this->assertEquals($time->format('D, j M Y H:i:s') . ' GMT', $response->modified());

                $response = $this->getMock('CakeResponse', array('_sendHeader', 'checkNotModified'));
                $request = new CakeRequest('theme/test_theme/img/cake.power.gif');

                $response->expects($this->once())->method('checkNotModified')
                        ->with($request)
                        ->will($this->returnValue(true));
                $response->expects($this->never())->method('send');
                $event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));

                $this->assertSame($response, $filter->beforeDispatch($event));
                $this->assertEquals($time->format('D, j M Y H:i:s') . ' GMT', $response->modified());
        }

/**
 * Test that no exceptions are thrown for //index.php type URLs.
 *
 * @return void
 */
        public function test404OnDoubleSlash() {
                $filter = new AssetDispatcher();

                $response = $this->getMock('CakeResponse', array('_sendHeader'));
                $request = new CakeRequest('//index.php');
                $event = new CakeEvent('Dispatcher.beforeRequest', $this, compact('request', 'response'));

                $this->assertNull($filter->beforeDispatch($event));
                $this->assertFalse($event->isStopped());
        }

/**
 * Test that attempts to traverse directories are prevented.
 *
 * @return void
 */
        public function test404OnDoubleDot() {
                App::build(array(
                        'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
                        'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
                ), APP::RESET);

                $response = $this->getMock('CakeResponse', array('_sendHeader'));
                $request = new CakeRequest('theme/test_theme/../../../../../../VERSION.txt');
                $event = new CakeEvent('Dispatcher.beforeRequest', $this, compact('request', 'response'));

                $response->expects($this->never())->method('send');

                $filter = new AssetDispatcher();
                $this->assertNull($filter->beforeDispatch($event));
                $this->assertFalse($event->isStopped());
        }

/**
 * Test that attempts to traverse directories with urlencoded paths fail.
 *
 * @return void
 */
        public function test404OnDoubleDotEncoded() {
                App::build(array(
                        'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
                        'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
                ), APP::RESET);

                $response = $this->getMock('CakeResponse', array('_sendHeader', 'send'));
                $request = new CakeRequest('theme/test_theme/%2e./%2e./%2e./%2e./%2e./%2e./VERSION.txt');
                $event = new CakeEvent('Dispatcher.beforeRequest', $this, compact('request', 'response'));

                $response->expects($this->never())->method('send');

                $filter = new AssetDispatcher();
                $this->assertNull($filter->beforeDispatch($event));
                $this->assertFalse($event->isStopped());
        }

}