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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 | } |