1<?php 2 3/** 4 * Double caching of pages containing struct aggregations: 5 * one for regular users, one for publishers/approvers 6 * @see action_plugin_struct_cache 7 */ 8class action_plugin_structpublish_cache extends DokuWiki_Action_Plugin 9{ 10 /** 11 * Registers a callback function for a given event 12 * 13 * @param Doku_Event_Handler $controller DokuWiki's event controller object 14 * @return void 15 */ 16 public function register(Doku_Event_Handler $controller) 17 { 18 $controller->register_hook('PARSER_CACHE_USE', 'BEFORE', $this, 'handleCacheAggregation'); 19 } 20 21 /** 22 * For pages containing an aggregation, add structpublish flag to cache key 23 * to differentiate between caches for regular and privileged users 24 * 25 * @param Doku_Event $event event object by reference 26 * @return bool 27 */ 28 public function handleCacheAggregation(Doku_Event $event) 29 { 30 /** @var \dokuwiki\Cache\CacheParser $cache */ 31 $cache = $event->data; 32 if ($cache->mode != 'xhtml') return true; 33 if (!$cache->page) return true; // not a page cache 34 35 $meta = p_get_metadata($cache->page, 'plugin struct'); 36 if (isset($meta['hasaggregation'])) { 37 // separate caches for publishers/approvers and others 38 $cache->key .= ';' . action_plugin_structpublish_sqlitefunction::userHasRole($cache->page, '', []); 39 40 // rebuild cache name 41 $cache->cache = getCacheName($cache->key, $cache->ext); 42 } 43 44 return true; 45 } 46} 47