| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | namespace ApacheSolrForTypo3\Solr\Access; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | /*************************************************************** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  *  Copyright notice | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  *  (c) 2011-2015 Ingo Renner <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  *  All rights reserved | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  *  This script is part of the TYPO3 project. The TYPO3 project is | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  *  free software; you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  *  it under the terms of the GNU General Public License as published by | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  *  the Free Software Foundation; either version 3 of the License, or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  *  (at your option) any later version. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  *  The GNU General Public License can be found at | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  *  http://www.gnu.org/copyleft/gpl.html. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  *  This script is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  *  but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  *  GNU General Public License for more details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  *  This copyright notice MUST APPEAR in all copies of the script! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  ***************************************************************/ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | use TYPO3\CMS\Core\Utility\GeneralUtility; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | use TYPO3\CMS\Frontend\Page\PageRepository; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  * "Access Rootline", represents all pages and specifically those setting | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  * frontend user group access restrictions in a page's rootline. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  * The access rootline only contains pages which set frontend user access | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  * restrictions and extend them to sub-pages. The format is as follows: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  * pageId1:group1,group2/pageId2:group3/c:group1,group4,groupN | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  * The single elements of the access rootline are separated by a slash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  * character. All but the last elements represent pages, the last element | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  * defines the access restrictions applied to the page's content elements | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  * and records shown on the page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  * Each page element is composed by the page ID of the page setting frontend | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  * user access restrictions, a colon, and a comma separated list of frontend | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  * user group IDs restricting access to the page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  * The content access element does not have a page ID, instead it replaces | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  * the ID by a lower case C. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  * The groups for page elements are compared using OR, so the user needs to be | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  * a member of only one of the groups listed for a page. The elements are | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  * checked combined using AND, so the user must be member of at least one | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  * group in each page element. However, the groups in the content access | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  * element are checked using AND. So the user must be member of all the groups | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  * listed in the content access element to see the document. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  * An access rootline for a generic record could instead be short like this: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  * r:group1,group2,groupN | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  * In this case the lower case R tells us that we're dealing with a record | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  * like tt_news or the like. For records the groups are checked using OR | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  * instead of using AND as it would be the case with content elements. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  * @author Ingo Renner <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | class Rootline | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * Delimiter for page and content access right elements in the rootline. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     const ELEMENT_DELIMITER = '/'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * Storage for access rootline elements | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     protected $rootlineElements = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      * Constructor, turns a string representation of an access rootline into an | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * object representation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * @param string $accessRootline Access Rootline String representation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 70 |  |     public function __construct($accessRootline = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 70 |  |         if (!is_null($accessRootline)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 69 |  |             $rawRootlineElements = explode(self::ELEMENT_DELIMITER, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 69 |  |                 $accessRootline); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 69 |  |             foreach ($rawRootlineElements as $rawRootlineElement) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |                 try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 | 69 |  |                     $this->push(GeneralUtility::makeInstance(RootlineElement::class, $rawRootlineElement)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 69 |  |                 } catch (RootlineElementFormatException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |                     // just ignore the faulty element for now, might log this later | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 70 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |      * Adds an Access Rootline Element to the end of the rootline. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * @param RootlineElement $rootlineElement Element to add. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 | 70 |  |     public function push(RootlineElement $rootlineElement) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 | 70 |  |         $lastElementIndex = max(0, (count($this->rootlineElements) - 1)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 70 |  |         if (!empty($this->rootlineElements[$lastElementIndex])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 | 1 |  |             if ($this->rootlineElements[$lastElementIndex]->getType() == RootlineElement::ELEMENT_TYPE_CONTENT) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |                 throw new RootlineElementFormatException( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |                     'Can not add an element to an Access Rootline whose\' last element is a content type element.', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |                     1294422132 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |                 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 1 |  |             if ($this->rootlineElements[$lastElementIndex]->getType() == RootlineElement::ELEMENT_TYPE_RECORD) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |                 throw new RootlineElementFormatException( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |                     'Can not add an element to an Access Rootline whose\' last element is a record type element.', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |                     1308343423 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |                 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 70 |  |         $this->rootlineElements[] = $rootlineElement; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 70 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      * Gets the Access Rootline for a specific page Id. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |      * @param int $pageId The page Id to generate the Access Rootline for. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |      * @param string $mountPointParameter The mount point parameter for generating the rootline. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |      * @return \ApacheSolrForTypo3\Solr\Access\Rootline Access Rootline for the given page Id. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 14 |  |     public static function getAccessRootlineByPageId( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |         $pageId, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |         $mountPointParameter = '' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |     ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 | 14 |  |         $accessRootline = GeneralUtility::makeInstance(Rootline::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 | 14 |  |         $pageSelector = GeneralUtility::makeInstance(PageRepository::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 | 14 |  |         $pageSelector->init(false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 | 14 |  |         $rootline = $pageSelector->getRootLine($pageId, $mountPointParameter); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 | 14 |  |         $rootline = array_reverse($rootline); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         // parent pages | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 | 14 |  |         foreach ($rootline as $pageRecord) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 | 14 |  |             if ($pageRecord['fe_group'] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 | 14 |  |                 && $pageRecord['extendToSubpages'] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 14 |  |                 && $pageRecord['uid'] != $pageId | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |             ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |                 $accessRootline->push(GeneralUtility::makeInstance( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |                     RootlineElement::class, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 | 14 |  |                     $pageRecord['uid'] . RootlineElement::PAGE_ID_GROUP_DELIMITER . $pageRecord['fe_group'] | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |                 )); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |         // current page | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 | 14 |  |         $currentPageRecord = $pageSelector->getPage($pageId); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 14 |  |         if ($currentPageRecord['fe_group']) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 2 |  |             $accessRootline->push(GeneralUtility::makeInstance( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 2 |  |                 RootlineElement::class, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 | 2 |  |                 $currentPageRecord['uid'] . RootlineElement::PAGE_ID_GROUP_DELIMITER . $currentPageRecord['fe_group'] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |             )); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 14 |  |         return $accessRootline; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      * Returns the string representation of the access rootline. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |      * @return string String representation of the access rootline. | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 178 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 179 | 67 |  |     public function __toString() | 
            
                                                                        
                            
            
                                    
            
            
                | 180 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 181 | 67 |  |         $stringElements = []; | 
            
                                                                        
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 183 | 67 |  |         foreach ($this->rootlineElements as $rootlineElement) { | 
            
                                                                        
                            
            
                                    
            
            
                | 184 | 56 |  |             $stringElements[] = (string)$rootlineElement; | 
            
                                                                        
                            
            
                                    
            
            
                | 185 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 187 | 67 |  |         return implode(self::ELEMENT_DELIMITER, $stringElements); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |      * Gets a the groups in the Access Rootline. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |      * @return array An array of sorted, unique user group IDs required to access a page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 | 69 |  |     public function getGroups() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 | 69 |  |         $groups = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 | 69 |  |         foreach ($this->rootlineElements as $rootlineElement) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 58 |  |             $rootlineElementGroups = $rootlineElement->getGroups(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 | 58 |  |             $groups = array_merge($groups, $rootlineElementGroups); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 | 69 |  |         $groups = $this->cleanGroupArray($groups); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 | 69 |  |         return $groups; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |      * Cleans an array of frontend user group IDs. Removes duplicates and sorts | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |      * the array. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |      * @param array $groups An array of frontend user group IDs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |      * @return array An array of cleaned frontend user group IDs, unique, sorted. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 | 73 |  |     public static function cleanGroupArray(array $groups) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 | 73 |  |         $groups = array_unique($groups); // removes duplicates | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 | 73 |  |         sort($groups, SORT_NUMERIC); // sort | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 | 73 |  |         return $groups; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 223 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 224 |  |  |  |