mirror of
https://github.com/VladPolskiy/dokuwiki.git
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95 lines
2.9 KiB
PHP
95 lines
2.9 KiB
PHP
<?php
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/**
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* Utilities for handling plugins
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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// plugin related constants
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$plugin_types = array('admin','syntax');
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/**
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* Returns a list of available plugins of given type
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*
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* @param $type string, plugin_type name;
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* the type of plugin to return,
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* use empty string for all types
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* @param $all bool;
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* false to only return enabled plugins,
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* true to return both enabled and disabled plugins
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*
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* @return array of plugin names
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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function plugin_list($type='',$all=false){
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$plugins = array();
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if ($dh = opendir(DOKU_PLUGIN)) {
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while (false !== ($plugin = readdir($dh))) {
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if ($plugin == '.' || $plugin == '..' || $plugin == 'tmp') continue;
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if (is_file(DOKU_PLUGIN.$plugin)) continue;
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// if required, skip disabled plugins
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if (!$all && plugin_isdisabled($plugin)) continue;
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if ($type=='' || @file_exists(DOKU_PLUGIN."$plugin/$type.php")){
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$plugins[] = $plugin;
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} else {
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if ($dp = @opendir(DOKU_PLUGIN."$plugin/$type/")) {
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while (false !== ($component = readdir($dp))) {
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if ($component == '.' || $component == '..' || strtolower(substr($component, -4)) != ".php") continue;
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if (is_file(DOKU_PLUGIN."$plugin/$type/$component")) {
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$plugins[] = $plugin.'_'.substr($component, 0, -4);
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}
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}
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closedir($dp);
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}
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}
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}
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closedir($dh);
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}
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return $plugins;
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}
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/**
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* Loads the given plugin and creates an object of it
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @param $type string type of plugin to load
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* @param $name string name of the plugin to load
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* @return objectreference the plugin object or null on failure
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*/
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function &plugin_load($type,$name){
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//we keep all loaded plugins available in global scope for reuse
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global $DOKU_PLUGINS;
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//plugin already loaded?
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if($DOKU_PLUGINS[$type][$name] != null){
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return $DOKU_PLUGINS[$type][$name];
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}
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//try to load the wanted plugin file
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if (file_exists(DOKU_PLUGIN."$name/$type.php")){
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include_once(DOKU_PLUGIN."$name/$type.php");
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}else{
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list($plugin, $component) = preg_split("/_/",$name, 2);
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if (!$component || !include_once(DOKU_PLUGIN."$plugin/$type/$component.php")) {
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return null;
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}
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}
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//construct class and instanciate
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$class = $type.'_plugin_'.$name;
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if (!class_exists($class)) return null;
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$DOKU_PLUGINS[$type][$name] = new $class;
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return $DOKU_PLUGINS[$type][$name];
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}
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function plugin_isdisabled($name) { return @file_exists(DOKU_PLUGIN.$name.'/disabled'); }
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function plugin_enable($name) { return @unlink(DOKU_PLUGIN.$name.'/disabled'); }
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function plugin_disable($name) { return @touch(DOKU_PLUGIN.$name.'/disabled'); }
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