[TASK] Move Backend AJAX Calls to index.php
[Packages/TYPO3.CMS.git] / typo3 / sysext / backend / Classes / Http / Application.php
1 <?php
2 namespace TYPO3\CMS\Backend\Http;
3
4 /*
5 * This file is part of the TYPO3 CMS project.
6 *
7 * It is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU General Public License, either version 2
9 * of the License, or any later version.
10 *
11 * For the full copyright and license information, please read the
12 * LICENSE.txt file that was distributed with this source code.
13 *
14 * The TYPO3 project - inspiring people to share!
15 */
16 use TYPO3\CMS\Core\Core\ApplicationInterface;
17 use TYPO3\CMS\Core\Core\Bootstrap;
18 use TYPO3\CMS\Core\Utility\GeneralUtility;
19
20 /**
21 * Entry point for the TYPO3 Backend (HTTP requests)
22 */
23 class Application implements ApplicationInterface {
24
25 /**
26 * @var Bootstrap
27 */
28 protected $bootstrap;
29
30 /**
31 * @var string
32 */
33 protected $entryPointPath = 'typo3/';
34
35 /**
36 * @var \Psr\Http\Message\ServerRequestInterface
37 */
38 protected $request;
39
40 /**
41 * All available request handlers that can handle backend requests (non-CLI)
42 * @var array
43 */
44 protected $availableRequestHandlers = array(
45 \TYPO3\CMS\Backend\Http\RequestHandler::class,
46 \TYPO3\CMS\Backend\Http\BackendModuleRequestHandler::class,
47 \TYPO3\CMS\Backend\Http\AjaxRequestHandler::class
48 );
49
50 /**
51 * Constructor setting up legacy constant and register available Request Handlers
52 *
53 * @param \Composer\Autoload\ClassLoader|\Helhum\ClassAliasLoader\Composer\ClassAliasLoader $classLoader an instance of the class loader
54 */
55 public function __construct($classLoader) {
56 $this->defineLegacyConstants();
57
58 $this->bootstrap = Bootstrap::getInstance()
59 ->initializeClassLoader($classLoader)
60 ->baseSetup($this->entryPointPath);
61
62 // can be done here after the base setup is done
63 $this->defineAdditionalEntryPointRelatedConstants();
64
65 // Redirect to install tool if base configuration is not found
66 if (!$this->bootstrap->checkIfEssentialConfigurationExists()) {
67 $this->bootstrap->redirectToInstallTool($this->entryPointPath);
68 }
69
70 foreach ($this->availableRequestHandlers as $requestHandler) {
71 $this->bootstrap->registerRequestHandlerImplementation($requestHandler);
72 }
73
74 $this->request = \TYPO3\CMS\Core\Http\ServerRequestFactory::fromGlobals();
75 // see below when this option is set
76 if ($GLOBALS['TYPO3_AJAX']) {
77 $this->request = $this->request->withAttribute('isAjaxRequest', TRUE);
78 }
79
80 $this->bootstrap->configure();
81 }
82
83 /**
84 * Set up the application and shut it down afterwards
85 *
86 * @param callable $execute
87 * @return void
88 */
89 public function run(callable $execute = NULL) {
90 $this->bootstrap->handleRequest($this->request);
91
92 if ($execute !== NULL) {
93 if ($execute instanceof \Closure) {
94 $execute->bindTo($this);
95 }
96 call_user_func($execute);
97 }
98
99 $this->bootstrap->shutdown();
100 }
101
102 /**
103 * Define constants and variables
104 */
105 protected function defineLegacyConstants() {
106 define('TYPO3_MODE', 'BE');
107 }
108
109 /**
110 * Define values that are based on the current script
111 */
112 protected function defineAdditionalEntryPointRelatedConstants() {
113 $currentScript = GeneralUtility::getIndpEnv('SCRIPT_NAME');
114
115 // activate "AJAX" handler when called with the GET variable ajaxID
116 if (GeneralUtility::_GET('ajaxID') !== NULL) {
117 $GLOBALS['TYPO3_AJAX'] = TRUE;
118 } elseif (substr($currentScript, -16) === '/typo3/index.php') {
119 // allow backend login to work
120 define('TYPO3_PROCEED_IF_NO_USER', 1);
121 }
122 }
123 }