はじまりの大地

2024-07-08 03:32:47 +09:00
commit c616a96f53
7749 changed files with 478270 additions and 0 deletions
@@ -0,0 +1,112 @@
+<?php
+/**
+ * Move Plugin Page Rewrite Functionality
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Andreas Gohr <gohr@cosmocode.de>
+ */
+// must be run within Dokuwiki
+if(!defined('DOKU_INC')) die();
+
+/**
+ * Class action_plugin_move_rewrite
+ */
+class action_plugin_move_rewrite extends DokuWiki_Action_Plugin {
+
+    /**
+     * Register event handlers.
+     *
+     * @param Doku_Event_Handler $controller The plugin controller
+     */
+    public function register(Doku_Event_Handler $controller) {
+        $controller->register_hook('IO_WIKIPAGE_READ', 'AFTER', $this, 'handle_read', array());
+        $controller->register_hook('PARSER_CACHE_USE', 'BEFORE', $this, 'handle_cache', array());
+    }
+
+    /**
+     * Rewrite pages when they are read and they need to be updated.
+     *
+     * @param Doku_Event $event The event object
+     * @param mixed      $param Optional parameters (not used)
+     */
+    function handle_read(Doku_Event $event, $param) {
+        global $ACT, $conf;
+        static $stack = array();
+        // handle only reads of the current revision
+        if($event->data[3]) return;
+
+        // only rewrite if not in move already
+        $save = true;
+        if(helper_plugin_move_rewrite::isLocked()) {
+            $save = false;
+        }
+
+        $id = $event->data[2];
+        if($event->data[1]) $id = $event->data[1] . ':' . $id;
+
+        if(!$id) {
+            // try to reconstruct the id from the filename
+            $path = $event->data[0][0];
+            if(strpos($path, $conf['datadir']) === 0) {
+                $path = substr($path, strlen($conf['datadir']) + 1);
+                $id   = pathID($path);
+            }
+        }
+
+        if(isset($stack[$id])) return;
+
+        // Don't change the page when the user is currently changing the page content or the page is locked
+        $forbidden_actions = array('save', 'preview', 'recover', 'revert');
+        if((isset($ACT) && (
+                    in_array($ACT, $forbidden_actions) || (is_array($ACT) && in_array(key($ACT), $forbidden_actions)
+                    )))
+            // checklock checks if the page lock hasn't expired and the page hasn't been locked by another user
+            // the file exists check checks if the page is reported unlocked if a lock exists which means that
+            // the page is locked by the current user
+            || checklock($id) !== false || @file_exists(wikiLockFN($id))
+        ) return;
+
+        /** @var helper_plugin_move_rewrite $helper */
+        $helper = plugin_load('helper', 'move_rewrite', true);
+        if(!is_null($helper)) {
+            $stack[$id]    = true;
+            $event->result = $helper->rewritePage($id, $event->result, $save);
+            unset($stack[$id]);
+        }
+    }
+
+    /**
+     * Handle the cache events, it looks if a page needs to be rewritten so it can expire the cache of the page
+     *
+     * @param Doku_Event $event The even object
+     * @param mixed      $param Optional parameters (not used)
+     */
+    function handle_cache(Doku_Event $event, $param) {
+        global $conf;
+        /** @var $cache cache_parser */
+        $cache = $event->data;
+        $id    = $cache->page;
+        if(!$id) {
+            // try to reconstruct the id from the filename
+            $path = $cache->file;
+            if(strpos($path, $conf['datadir']) === 0) {
+                $path = substr($path, strlen($conf['datadir']) + 1);
+                $id   = pathID($path);
+            }
+        }
+        if($id) {
+            /** @var helper_plugin_move_rewrite $helper */
+            $helper = $this->loadHelper('move_rewrite');
+            if(!is_null($helper)) {
+                $meta = $helper->getMoveMeta($id);
+                if($meta && ($meta['pages'] || $meta['media'])) {
+                    $file = wikiFN($id, '', false);
+                    if(is_writable($file))
+                        $cache->depends['purge'] = true;
+                    else // FIXME: print error here or fail silently?
+                        msg('Error: Page ' . hsc($id) . ' needs to be rewritten because of page renames but is not writable.', -1);
+                }
+            }
+        }
+    }
+}