|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of the TYPO3 CMS project. |
|
5
|
|
|
* |
|
6
|
|
|
* It is free software; you can redistribute it and/or modify it under |
|
7
|
|
|
* the terms of the GNU General Public License, either version 2 |
|
8
|
|
|
* of the License, or any later version. |
|
9
|
|
|
* |
|
10
|
|
|
* For the full copyright and license information, please read the |
|
11
|
|
|
* LICENSE.txt file that was distributed with this source code. |
|
12
|
|
|
* |
|
13
|
|
|
* The TYPO3 project - inspiring people to share! |
|
14
|
|
|
*/ |
|
15
|
|
|
|
|
16
|
|
|
namespace TYPO3\CMS\Fluid\Core\Widget; |
|
17
|
|
|
|
|
18
|
|
|
use TYPO3\CMS\Core\SingletonInterface; |
|
19
|
|
|
use TYPO3\CMS\Core\Utility\GeneralUtility; |
|
20
|
|
|
use TYPO3\CMS\Extbase\Security\Cryptography\HashService; |
|
21
|
|
|
use TYPO3\CMS\Fluid\Core\Widget\Exception\WidgetContextNotFoundException; |
|
22
|
|
|
use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* This object stores the WidgetContext for the currently active widgets |
|
26
|
|
|
* of the current user, to make sure the WidgetContext is available in |
|
27
|
|
|
* Widget AJAX requests. |
|
28
|
|
|
* |
|
29
|
|
|
* @internal This class is only used internally by the widget framework. |
|
30
|
|
|
*/ |
|
31
|
|
|
class AjaxWidgetContextHolder implements SingletonInterface |
|
32
|
|
|
{ |
|
33
|
|
|
/** |
|
34
|
|
|
* An array $ajaxWidgetIdentifier => $widgetContext |
|
35
|
|
|
* which stores the widget context. |
|
36
|
|
|
* |
|
37
|
|
|
* @var WidgetContext[] |
|
38
|
|
|
*/ |
|
39
|
|
|
protected $widgetContexts = []; |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* @var string |
|
43
|
|
|
*/ |
|
44
|
|
|
protected $widgetContextsStorageKey = 'TYPO3\\CMS\\Fluid\\Core\\Widget\\AjaxWidgetContextHolder_widgetContexts'; |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* @var HashService |
|
48
|
|
|
*/ |
|
49
|
|
|
protected $hashService; |
|
50
|
|
|
|
|
51
|
|
|
/** |
|
52
|
|
|
* Constructor |
|
53
|
|
|
*/ |
|
54
|
|
|
public function __construct() |
|
55
|
|
|
{ |
|
56
|
|
|
$this->hashService = GeneralUtility::makeInstance(HashService::class); |
|
57
|
|
|
$this->loadWidgetContexts(); |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* Loads the widget contexts from the TYPO3 user session |
|
62
|
|
|
*/ |
|
63
|
|
|
protected function loadWidgetContexts() |
|
64
|
|
|
{ |
|
65
|
|
|
if (isset($GLOBALS['TSFE']) && $GLOBALS['TSFE'] instanceof TypoScriptFrontendController) { |
|
66
|
|
|
$this->widgetContexts = $this->unserializeWithHmac($GLOBALS['TSFE']->fe_user->getKey('ses', $this->widgetContextsStorageKey)); |
|
67
|
|
|
} else { |
|
68
|
|
|
$this->widgetContexts = isset($GLOBALS['BE_USER']->uc[$this->widgetContextsStorageKey]) ? $this->unserializeWithHmac($GLOBALS['BE_USER']->uc[$this->widgetContextsStorageKey]) : []; |
|
69
|
|
|
$GLOBALS['BE_USER']->writeUC(); |
|
70
|
|
|
} |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* Get the widget context for the given $ajaxWidgetId. |
|
75
|
|
|
* |
|
76
|
|
|
* @param string $ajaxWidgetId |
|
77
|
|
|
* @return WidgetContext |
|
78
|
|
|
*/ |
|
79
|
|
|
public function get($ajaxWidgetId) |
|
80
|
|
|
{ |
|
81
|
|
|
if (!isset($this->widgetContexts[$ajaxWidgetId])) { |
|
82
|
|
|
throw new WidgetContextNotFoundException('No widget context was found for the Ajax Widget Identifier "' . $ajaxWidgetId . '". This only happens if AJAX URIs are called without including the widget on a page.', 1284793775); |
|
83
|
|
|
} |
|
84
|
|
|
return $this->widgetContexts[$ajaxWidgetId]; |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* Stores the WidgetContext inside the Context, and sets the |
|
89
|
|
|
* AjaxWidgetIdentifier inside the Widget Context correctly. |
|
90
|
|
|
* |
|
91
|
|
|
* @param WidgetContext $widgetContext |
|
92
|
|
|
*/ |
|
93
|
|
|
public function store(WidgetContext $widgetContext) |
|
94
|
|
|
{ |
|
95
|
|
|
$ajaxWidgetId = md5(uniqid(random_int(0, mt_getrandmax()), true)); |
|
96
|
|
|
$widgetContext->setAjaxWidgetIdentifier($ajaxWidgetId); |
|
97
|
|
|
$this->widgetContexts[$ajaxWidgetId] = $widgetContext; |
|
98
|
|
|
$this->storeWidgetContexts(); |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* Persists the widget contexts in the TYPO3 user session |
|
103
|
|
|
*/ |
|
104
|
|
|
protected function storeWidgetContexts() |
|
105
|
|
|
{ |
|
106
|
|
|
if (isset($GLOBALS['TSFE']) && $GLOBALS['TSFE'] instanceof TypoScriptFrontendController) { |
|
107
|
|
|
$GLOBALS['TSFE']->fe_user->setKey('ses', $this->widgetContextsStorageKey, $this->serializeWithHmac($this->widgetContexts)); |
|
108
|
|
|
$GLOBALS['TSFE']->fe_user->storeSessionData(); |
|
109
|
|
|
} else { |
|
110
|
|
|
$GLOBALS['BE_USER']->uc[$this->widgetContextsStorageKey] = $this->serializeWithHmac($this->widgetContexts); |
|
111
|
|
|
$GLOBALS['BE_USER']->writeUC(); |
|
112
|
|
|
} |
|
113
|
|
|
} |
|
114
|
|
|
|
|
115
|
|
|
protected function serializeWithHmac(array $widgetContexts): string |
|
116
|
|
|
{ |
|
117
|
|
|
$data = serialize($widgetContexts); |
|
118
|
|
|
return $this->hashService->appendHmac($data); |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
protected function unserializeWithHmac(?string $data): array |
|
122
|
|
|
{ |
|
123
|
|
|
if ($data === null || $data === '') { |
|
124
|
|
|
return []; |
|
125
|
|
|
} |
|
126
|
|
|
try { |
|
127
|
|
|
$data = $this->hashService->validateAndStripHmac($data); |
|
128
|
|
|
// widget contexts literally can contain everything, that why using |
|
129
|
|
|
// HMAC-signed `unserialize()` is the only option here unless Extbase |
|
130
|
|
|
// structures have been refactored further |
|
131
|
|
|
$widgetContexts = unserialize($data); |
|
132
|
|
|
} finally { |
|
133
|
|
|
return is_array($widgetContexts ?? null) ? $widgetContexts : []; |
|
|
|
|
|
|
134
|
|
|
} |
|
135
|
|
|
} |
|
136
|
|
|
} |
|
137
|
|
|
|
TYPO3 /
TYPO3.CMS
Loading history...