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1 | <?php |
2 | |
3 | /** |
4 | * This program is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU General Public License |
6 | * as published by the Free Software Foundation; under version 2 |
7 | * of the License (non-upgradable). |
8 | * |
9 | * This program is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | * GNU General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write to the Free Software |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
17 | * |
18 | * Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
19 | * |
20 | * |
21 | */ |
22 | |
23 | namespace oat\taoQtiItem\controller; |
24 | |
25 | use tao_actions_CommonModule; |
26 | use oat\taoQtiItem\helpers\CssHelper; |
27 | use tao_helpers_Request; |
28 | use common_exception_IsAjaxAction; |
29 | use common_exception_MissingParameter; |
30 | use common_exception_InvalidArgumentType; |
31 | |
32 | /** |
33 | * Class QtiCssAuthoring |
34 | * |
35 | * @package oat\taoQtiItem\controller |
36 | */ |
37 | class QtiCssAuthoring extends tao_actions_CommonModule |
38 | { |
39 | /** |
40 | * Save custom CSS as file |
41 | * |
42 | * @throws \common_exception_IsAjaxAction |
43 | */ |
44 | public function save() |
45 | { |
46 | if (!tao_helpers_Request::isAjax()) { |
47 | throw new common_exception_IsAjaxAction(__METHOD__); |
48 | } |
49 | if (!$this->hasRequestParameter('uri')) { |
50 | throw new common_exception_MissingParameter('uri', __METHOD__); |
51 | } |
52 | if (!$this->hasRequestParameter('stylesheetUri')) { |
53 | throw new common_exception_MissingParameter('stylesheetUri', __METHOD__); |
54 | } |
55 | if (!$this->hasRequestParameter('lang')) { |
56 | throw new common_exception_MissingParameter('lang', __METHOD__); |
57 | } |
58 | |
59 | $item = new \core_kernel_classes_Resource($this->getRequestParameter('uri')); |
60 | $lang = $this->getRequestParameter('lang'); |
61 | $styleSheet = $this->getRequestParameter('stylesheetUri'); |
62 | if (!\tao_helpers_File::securityCheck($styleSheet, true)) { |
63 | throw new \common_exception_Error('invalid stylesheet path "' . $styleSheet . '"'); |
64 | } |
65 | |
66 | $css = $this->getCssArray(); |
67 | CssHelper::saveCssFile($item, $lang, $styleSheet, $css); |
68 | } |
69 | |
70 | /** |
71 | * Load the custom styles as JSON |
72 | * |
73 | * @throws \common_exception_IsAjaxAction |
74 | * @throws \common_exception_MissingParameter |
75 | */ |
76 | public function load() |
77 | { |
78 | |
79 | if (!$this->hasRequestParameter('uri')) { |
80 | throw new common_exception_MissingParameter('uri', __METHOD__); |
81 | } |
82 | if (!$this->hasRequestParameter('stylesheetUri')) { |
83 | throw new common_exception_MissingParameter('stylesheetUri', __METHOD__); |
84 | } |
85 | if (!$this->hasRequestParameter('lang')) { |
86 | throw new common_exception_MissingParameter('lang', __METHOD__); |
87 | } |
88 | |
89 | $item = new \core_kernel_classes_Resource($this->getRequestParameter('uri')); |
90 | $lang = $this->getRequestParameter('lang'); |
91 | $styleSheet = $this->getRequestParameter('stylesheetUri'); |
92 | if (!\tao_helpers_File::securityCheck($styleSheet, true)) { |
93 | throw new \common_exception_Error('invalid stylesheet path "' . $styleSheet . '"'); |
94 | } |
95 | |
96 | $cssArray = CssHelper::loadCssFile($item, $lang, $styleSheet); |
97 | |
98 | $this->returnJson($cssArray); |
99 | } |
100 | |
101 | /** |
102 | * Convert CSS JSON to array |
103 | * |
104 | * @return mixed |
105 | * @throws \common_exception_MissingParameter |
106 | * @throws \common_exception_InvalidArgumentType |
107 | */ |
108 | private function getCssArray() |
109 | { |
110 | if (!$this->hasRequestParameter('cssJson')) { |
111 | throw new common_exception_MissingParameter( |
112 | 'cssJson', |
113 | __CLASS__ . '::' . \Context::getInstance()->getActionName() |
114 | ); |
115 | } |
116 | $cssArr = json_decode($_POST['cssJson'], true); |
117 | if (!is_array($cssArr)) { |
118 | throw new common_exception_InvalidArgumentType( |
119 | __CLASS__, |
120 | \Context::getInstance()->getActionName(), |
121 | 0, |
122 | 'json encoded array' |
123 | ); |
124 | } |
125 | return $cssArr; |
126 | } |
127 | |
128 | /** |
129 | * Download custom styles |
130 | */ |
131 | public function download() |
132 | { |
133 | |
134 | if (!$this->hasRequestParameter('uri')) { |
135 | throw new common_exception_MissingParameter('uri', __METHOD__); |
136 | } |
137 | if (!$this->hasRequestParameter('stylesheetUri')) { |
138 | throw new common_exception_MissingParameter('stylesheetUri', __METHOD__); |
139 | } |
140 | if (!$this->hasRequestParameter('lang')) { |
141 | throw new common_exception_MissingParameter('lang', __METHOD__); |
142 | } |
143 | |
144 | |
145 | $item = new \core_kernel_classes_Resource($this->getRequestParameter('uri')); |
146 | $lang = $this->getRequestParameter('lang'); |
147 | $styleSheet = $this->getRequestParameter('stylesheetUri'); |
148 | |
149 | if (!\tao_helpers_File::securityCheck($styleSheet, true)) { |
150 | throw new \common_exception_Error('invalid stylesheet path "' . $styleSheet . '"'); |
151 | } |
152 | |
153 | header('Set-Cookie: fileDownload=true'); |
154 | setcookie('fileDownload', 'true', 0, '/'); |
155 | header('Content-type: application/octet-stream'); |
156 | header(sprintf('Content-Disposition: attachment; filename=%s', basename($styleSheet))); |
157 | echo CssHelper::downloadCssFile($item, $lang, $styleSheet); |
158 | } |
159 | } |