mirror of
https://github.com/moodle/moodle.git
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1489 lines
46 KiB
PHP
1489 lines
46 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Defines classes used for plugins management
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*
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* This library provides a unified interface to various plugin types in
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* Moodle. It is mainly used by the plugins management admin page and the
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* plugins check page during the upgrade.
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*
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* @package core
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* @subpackage admin
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* @copyright 2011 David Mudrak <david@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* Singleton class providing general plugins management functionality
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*/
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class plugin_manager {
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/** the plugin is shipped with standard Moodle distribution */
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const PLUGIN_SOURCE_STANDARD = 'std';
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/** the plugin is added extension */
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const PLUGIN_SOURCE_EXTENSION = 'ext';
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/** the plugin uses neither database nor capabilities, no versions */
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const PLUGIN_STATUS_NODB = 'nodb';
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/** the plugin is up-to-date */
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const PLUGIN_STATUS_UPTODATE = 'uptodate';
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/** the plugin is about to be installed */
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const PLUGIN_STATUS_NEW = 'new';
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/** the plugin is about to be upgraded */
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const PLUGIN_STATUS_UPGRADE = 'upgrade';
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/** the version at the disk is lower than the one already installed */
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const PLUGIN_STATUS_DOWNGRADE = 'downgrade';
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/** the plugin is installed but missing from disk */
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const PLUGIN_STATUS_MISSING = 'missing';
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/** @var plugin_manager holds the singleton instance */
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protected static $singletoninstance;
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/** @var array of raw plugins information */
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protected $pluginsinfo = null;
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/** @var array of raw subplugins information */
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protected $subpluginsinfo = null;
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/**
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* Direct initiation not allowed, use the factory method {@link self::instance()}
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*
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* @todo we might want to specify just a single plugin type to work with
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*/
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protected function __construct() {
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$this->get_plugins(true);
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}
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/**
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* Sorry, this is singleton
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*/
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protected function __clone() {
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}
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/**
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* Factory method for this class
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*
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* @return plugin_manager the singleton instance
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*/
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public static function instance() {
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global $CFG;
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if (is_null(self::$singletoninstance)) {
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self::$singletoninstance = new self();
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}
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return self::$singletoninstance;
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}
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/**
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* Returns a tree of known plugins and information about them
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*
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* @param bool $disablecache force reload, cache can be used otherwise
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* @return array
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*/
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public function get_plugins($disablecache=false) {
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if ($disablecache or is_null($this->pluginsinfo)) {
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$this->pluginsinfo = array();
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$plugintypes = get_plugin_types();
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foreach ($plugintypes as $plugintype => $plugintyperootdir) {
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if (in_array($plugintype, array('base', 'general'))) {
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throw new coding_exception('Illegal usage of reserved word for plugin type');
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}
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if (class_exists('plugintype_' . $plugintype)) {
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$plugintypeclass = 'plugintype_' . $plugintype;
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} else {
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$plugintypeclass = 'plugintype_general';
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}
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if (!in_array('plugintype_interface', class_implements($plugintypeclass))) {
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throw new coding_exception('Class ' . $plugintypeclass . ' must implement plugintype_interface');
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}
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$plugins = call_user_func(array($plugintypeclass, 'get_plugins'), $plugintype, $plugintyperootdir, $plugintypeclass);
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$this->pluginsinfo[$plugintype] = $plugins;
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}
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}
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return $this->pluginsinfo;
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}
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/**
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* Returns list of plugins that define their subplugins and information about them
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*
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* At the moment, only activity modules can define subplugins.
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*
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* @param double $disablecache force reload, cache can be used otherwise
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* @return array
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*/
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public function get_subplugins($disablecache=false) {
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if ($disablecache or is_null($this->subpluginsinfo)) {
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$this->subpluginsinfo = array();
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$mods = get_plugin_list('mod');
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foreach ($mods as $mod => $moddir) {
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$modsubplugins = array();
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if (file_exists($moddir . '/db/subplugins.php')) {
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include($moddir . '/db/subplugins.php');
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foreach ($subplugins as $subplugintype => $subplugintyperootdir) {
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$subplugin = new stdClass();
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$subplugin->type = $subplugintype;
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$subplugin->typerootdir = $subplugintyperootdir;
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$modsubplugins[$subplugintype] = $subplugin;
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}
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$this->subpluginsinfo['mod_' . $mod] = $modsubplugins;
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}
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}
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}
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return $this->subpluginsinfo;
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}
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/**
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* Returns the name of the plugin that defines the given subplugin type
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*
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* If the given subplugin type is not actually a subplugin, returns false.
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*
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* @param string $subplugintype the name of subplugin type, eg. workshopform or quiz
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* @return false|string the name of the parent plugin, eg. mod_workshop
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*/
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public function get_parent_of_subplugin($subplugintype) {
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$parent = false;
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foreach ($this->get_subplugins() as $pluginname => $subplugintypes) {
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if (isset($subplugintypes[$subplugintype])) {
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$parent = $pluginname;
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break;
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}
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}
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return $parent;
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}
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/**
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* Returns a localized name of a given plugin
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*
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* @param string $plugin name of the plugin, eg mod_workshop or auth_ldap
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* @return string
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*/
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public function plugin_name($plugin) {
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list($type, $name) = normalize_component($plugin);
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return $this->pluginsinfo[$type][$name]->displayname;
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}
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/**
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* Returns a localized name of a plugin type in plural form
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*
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* Most plugin types define their names in core_plugin lang file. In case of subplugins,
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* we try to ask the parent plugin for the name. In the worst case, we will return
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* the value of the passed $type parameter.
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*
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* @param string $type the type of the plugin, e.g. mod or workshopform
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* @return string
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*/
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public function plugintype_name_plural($type) {
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if (get_string_manager()->string_exists('type_' . $type . '_plural', 'core_plugin')) {
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// for most plugin types, their names are defined in core_plugin lang file
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return get_string('type_' . $type . '_plural', 'core_plugin');
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} else if ($parent = $this->get_parent_of_subplugin($type)) {
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// if this is a subplugin, try to ask the parent plugin for the name
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if (get_string_manager()->string_exists('subplugintype_' . $type . '_plural', $parent)) {
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return $this->plugin_name($parent) . ' / ' . get_string('subplugintype_' . $type . '_plural', $parent);
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} else {
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return $this->plugin_name($parent) . ' / ' . $type;
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}
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} else {
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return $type;
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}
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}
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/**
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* Defines a white list of all plugins shipped in the standard Moodle distribution
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*
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* @return false|array array of standard plugins or false if the type is unknown
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*/
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public static function standard_plugins_list($type) {
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static $standard_plugins = array(
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'assignment' => array(
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'offline', 'online', 'upload', 'uploadsingle'
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),
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'auth' => array(
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'cas', 'db', 'email', 'fc', 'imap', 'ldap', 'manual', 'mnet',
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'nntp', 'nologin', 'none', 'pam', 'pop3', 'radius',
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'shibboleth', 'webservice'
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),
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'block' => array(
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'activity_modules', 'admin_bookmarks', 'blog_menu',
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'blog_recent', 'blog_tags', 'calendar_month',
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'calendar_upcoming', 'comments', 'community',
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'completionstatus', 'course_list', 'course_overview',
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'course_summary', 'feedback', 'glossary_random', 'html',
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'login', 'mentees', 'messages', 'mnet_hosts', 'myprofile',
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'navigation', 'news_items', 'online_users', 'participants',
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'private_files', 'quiz_results', 'recent_activity',
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'rss_client', 'search', 'search_forums', 'section_links',
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'selfcompletion', 'settings', 'site_main_menu',
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'social_activities', 'tag_flickr', 'tag_youtube', 'tags'
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),
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'coursereport' => array(
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'completion', 'log', 'outline', 'participation', 'progress', 'stats'
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),
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'datafield' => array(
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'checkbox', 'date', 'file', 'latlong', 'menu', 'multimenu',
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'number', 'picture', 'radiobutton', 'text', 'textarea', 'url'
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),
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'datapreset' => array(
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'imagegallery'
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),
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'editor' => array(
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'textarea', 'tinymce'
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),
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'enrol' => array(
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'authorize', 'category', 'cohort', 'database', 'flatfile',
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'guest', 'imsenterprise', 'ldap', 'manual', 'meta', 'mnet',
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'paypal', 'self'
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),
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'filter' => array(
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'activitynames', 'algebra', 'censor', 'emailprotect',
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'emoticon', 'mediaplugin', 'multilang', 'tex', 'tidy',
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'urltolink', 'mod_data', 'mod_glossary'
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),
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'format' => array(
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'scorm', 'social', 'topics', 'weeks'
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),
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'gradeexport' => array(
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'ods', 'txt', 'xls', 'xml'
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),
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'gradeimport' => array(
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'csv', 'xml'
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),
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'gradereport' => array(
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'grader', 'outcomes', 'overview', 'user'
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),
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'local' => array(
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),
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'message' => array(
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'email', 'jabber', 'popup'
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),
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'mnetservice' => array(
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'enrol'
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),
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'mod' => array(
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'assignment', 'chat', 'choice', 'data', 'feedback', 'folder',
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'forum', 'glossary', 'imscp', 'label', 'lesson', 'page',
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'quiz', 'resource', 'scorm', 'survey', 'url', 'wiki', 'workshop'
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),
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'plagiarism' => array(
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),
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'portfolio' => array(
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'boxnet', 'download', 'flickr', 'googledocs', 'mahara', 'picasa'
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),
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'profilefield' => array(
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'checkbox', 'datetime', 'menu', 'text', 'textarea'
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),
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'qformat' => array(
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'aiken', 'blackboard', 'blackboard_six', 'examview', 'gift',
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'learnwise', 'missingword', 'multianswer', 'qti_two', 'webct',
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'xhtml', 'xml'
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),
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'qtype' => array(
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'calculated', 'calculatedmulti', 'calculatedsimple',
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'description', 'essay', 'match', 'missingtype', 'multianswer',
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'multichoice', 'numerical', 'random', 'randomsamatch',
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'shortanswer', 'truefalse'
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),
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'quiz' => array(
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'grading', 'overview', 'responses', 'statistics'
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),
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'report' => array(
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'backups', 'capability', 'configlog', 'courseoverview',
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'customlang', 'log', 'profiling', 'questioninstances',
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'security', 'spamcleaner', 'stats', 'unittest', 'unsuproles'
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),
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'repository' => array(
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'alfresco', 'boxnet', 'coursefiles', 'dropbox', 'filesystem',
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'flickr', 'flickr_public', 'googledocs', 'local', 'merlot',
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'picasa', 'recent', 's3', 'upload', 'url', 'user', 'webdav',
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'wikimedia', 'youtube'
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),
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'theme' => array(
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'afterburner', 'anomaly', 'arialist', 'base', 'binarius',
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'boxxie', 'brick', 'canvas', 'formal_white', 'formfactor',
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'fusion', 'leatherbound', 'magazine', 'nimble', 'nonzero',
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'overlay', 'serenity', 'sky_high', 'splash', 'standard',
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'standardold'
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),
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'webservice' => array(
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'amf', 'rest', 'soap', 'xmlrpc'
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),
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'workshopallocation' => array(
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'manual', 'random'
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),
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'workshopeval' => array(
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'best'
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),
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'workshopform' => array(
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'accumulative', 'comments', 'numerrors', 'rubric'
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)
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);
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if (isset($standard_plugins[$type])) {
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return $standard_plugins[$type];
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} else {
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return false;
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}
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}
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}
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/**
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* All classes that represent a plugin of some type must implement this interface
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*/
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interface plugintype_interface {
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/**
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* Gathers and returns the information about all plugins of the given type
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*
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* Passing the parameter $typeclass allows us to reach the same effect as with the
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* late binding in PHP 5.3. Once PHP 5.3 is required, we can refactor this to use
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* {@example $plugin = new static();} instead of {@example $plugin = new $typeclass()}
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*
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* @param string $type the name of the plugintype, eg. mod, auth or workshopform
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* @param string $typerootdir full path to the location of the plugin dir
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* @param string $typeclass the name of the actually called class
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* @return array of plugintype classes, indexed by the plugin name
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*/
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public static function get_plugins($type, $typerootdir, $typeclass);
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/**
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* Sets $displayname property to a localized name of the plugin
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*
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* @return void
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*/
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public function set_display_name();
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/**
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* Sets $versiondisk property to a numerical value representing the
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* version of the plugin's source code.
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*
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* If the value is null after calling this method, either the plugin
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* does not use versioning (typically does not have any database
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* data) or is missing from disk.
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*
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* @return void
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*/
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public function set_version_disk();
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/**
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* Sets $versiondb property to a numerical value representing the
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* currently installed version of the plugin.
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*
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* If the value is null after calling this method, either the plugin
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* does not use versioning (typically does not have any database
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* data) or has not been installed yet.
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*
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* @return void
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*/
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public function set_version_db();
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/**
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* Sets $versionrequires property to a numerical value representing
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* the version of Moodle core that this plugin requires.
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*
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* @return void
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*/
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public function set_version_requires();
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/**
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* Sets $source property to one of plugin_manager::PLUGIN_SOURCE_xxx
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* constants.
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*
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* If the property's value is null after calling this method, then
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* the type of the plugin has not been recognized and you should throw
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* an exception.
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*
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* @return void
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*/
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public function set_source();
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/**
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* Returns true if the plugin is shipped with the official distribution
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* of the current Moodle version, false otherwise.
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*
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* @return bool
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*/
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public function is_standard();
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/**
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* Returns the status of the plugin
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*
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* @return string one of plugin_manager::PLUGIN_STATUS_xxx constants
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*/
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public function get_status();
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/**
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* Returns the information about plugin availability
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*
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* True means that the plugin is enabled. False means that the plugin is
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* disabled. Null means that the information is not available, or the
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* plugin does not support configurable availability or the availability
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* can not be changed.
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*
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* @return null|bool
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*/
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public function is_enabled();
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/**
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* Returns the URL of the plugin settings screen
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*
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* Null value means that the plugin either does not have the settings screen
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* or its location is not available via this library.
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*
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* @return null|moodle_url
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*/
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public function get_settings_url();
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/**
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* Returns the URL of the screen where this plugin can be uninstalled
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*
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* Visiting that URL must be safe, that is a manual confirmation is needed
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* for actual uninstallation of the plugin. Null value means that the
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* plugin either does not support uninstallation, or does not require any
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* database cleanup or the location of the screen is not available via this
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* library.
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*
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* @return null|moodle_url
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*/
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public function get_uninstall_url();
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/**
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* Returns relative directory of the plugin with heading '/'
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*
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* @example /mod/workshop
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* @return string
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*/
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public function get_dir();
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}
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/**
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* Defines public properties that all plugintype classes must have
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* and provides default implementation of required methods.
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*/
|
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abstract class plugintype_base {
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/** @var string the plugintype name, eg. mod, auth or workshopform */
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public $type;
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/** @var string full path to the location of all the plugins of this type */
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public $typerootdir;
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/** @var string the plugin name, eg. assignment, ldap */
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public $name;
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/** @var string the localized plugin name */
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public $displayname;
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/** @var string the plugin source, one of plugin_manager::PLUGIN_SOURCE_xxx constants */
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public $source;
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/** @var fullpath to the location of this plugin */
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public $rootdir;
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/** @var int|string the version of the plugin's source code */
|
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public $versiondisk;
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/** @var int|string the version of the installed plugin */
|
|
public $versiondb;
|
|
/** @var int|float|string required version of Moodle core */
|
|
public $versionrequires;
|
|
/** @var int number of instances of the plugin - not supported yet */
|
|
public $instances;
|
|
/** @var int order of the plugin among other plugins of the same type - not supported yet */
|
|
public $sortorder;
|
|
|
|
/**
|
|
* @see plugintype_interface::get_plugins()
|
|
*/
|
|
public static function get_plugins($type, $typerootdir, $typeclass) {
|
|
|
|
// get the information about plugins at the disk
|
|
$plugins = get_plugin_list($type);
|
|
$ondisk = array();
|
|
foreach ($plugins as $pluginname => $pluginrootdir) {
|
|
$plugin = new $typeclass();
|
|
$plugin->type = $type;
|
|
$plugin->typerootdir = $typerootdir;
|
|
$plugin->name = $pluginname;
|
|
$plugin->rootdir = $pluginrootdir;
|
|
|
|
$plugin->set_display_name();
|
|
$plugin->set_version_disk();
|
|
$plugin->set_version_db();
|
|
$plugin->set_version_requires();
|
|
$plugin->set_source();
|
|
|
|
$ondisk[$pluginname] = $plugin;
|
|
}
|
|
return $ondisk;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_display_name()
|
|
*/
|
|
public function set_display_name() {
|
|
if (! get_string_manager()->string_exists('pluginname', $this->type . '_' . $this->name)) {
|
|
$this->displayname = '[pluginname,' . $this->type . '_' . $this->name . ']';
|
|
} else {
|
|
$this->displayname = get_string('pluginname', $this->type . '_' . $this->name);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_disk()
|
|
*/
|
|
public function set_version_disk() {
|
|
|
|
if (empty($this->rootdir)) {
|
|
return;
|
|
}
|
|
|
|
$versionfile = $this->rootdir . '/version.php';
|
|
|
|
if (is_readable($versionfile)) {
|
|
include($versionfile);
|
|
if (isset($plugin->version)) {
|
|
$this->versiondisk = $plugin->version;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_db()
|
|
*/
|
|
public function set_version_db() {
|
|
|
|
if ($ver = self::get_version_from_config_plugins($this->type . '_' . $this->name)) {
|
|
$this->versiondb = $ver;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_requires()
|
|
*/
|
|
public function set_version_requires() {
|
|
|
|
if (empty($this->rootdir)) {
|
|
return;
|
|
}
|
|
|
|
$versionfile = $this->rootdir . '/version.php';
|
|
|
|
if (is_readable($versionfile)) {
|
|
include($versionfile);
|
|
if (isset($plugin->requires)) {
|
|
$this->versionrequires = $plugin->requires;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_source()
|
|
*/
|
|
public function set_source() {
|
|
|
|
$standard = plugin_manager::standard_plugins_list($this->type);
|
|
|
|
if ($standard !== false) {
|
|
$standard = array_flip($standard);
|
|
if (isset($standard[$this->name])) {
|
|
$this->source = plugin_manager::PLUGIN_SOURCE_STANDARD;
|
|
} else {
|
|
$this->source = plugin_manager::PLUGIN_SOURCE_EXTENSION;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::is_standard()
|
|
*/
|
|
public function is_standard() {
|
|
return $this->source === plugin_manager::PLUGIN_SOURCE_STANDARD;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_status()
|
|
*/
|
|
public function get_status() {
|
|
|
|
if (is_null($this->versiondb) and is_null($this->versiondisk)) {
|
|
return plugin_manager::PLUGIN_STATUS_NODB;
|
|
|
|
} else if (is_null($this->versiondb) and !is_null($this->versiondisk)) {
|
|
return plugin_manager::PLUGIN_STATUS_NEW;
|
|
|
|
} else if (!is_null($this->versiondb) and is_null($this->versiondisk)) {
|
|
return plugin_manager::PLUGIN_STATUS_MISSING;
|
|
|
|
} else if ((string)$this->versiondb === (string)$this->versiondisk) {
|
|
return plugin_manager::PLUGIN_STATUS_UPTODATE;
|
|
|
|
} else if ($this->versiondb < $this->versiondisk) {
|
|
return plugin_manager::PLUGIN_STATUS_UPGRADE;
|
|
|
|
} else if ($this->versiondb > $this->versiondisk) {
|
|
return plugin_manager::PLUGIN_STATUS_DOWNGRADE;
|
|
|
|
} else {
|
|
// $version = pi(); and similar funny jokes - hopefully Donald E. Knuth will never contribute to Moodle ;-)
|
|
throw new coding_exception('Unable to determine plugin state, check the plugin versions');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_settings_url()
|
|
*/
|
|
public function get_settings_url() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_uninstall_url()
|
|
*/
|
|
public function get_uninstall_url() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_dir()
|
|
*/
|
|
public function get_dir() {
|
|
global $CFG;
|
|
|
|
return substr($this->rootdir, strlen($CFG->dirroot));
|
|
}
|
|
|
|
/**
|
|
* Provides access to plugin versions from {config_plugins}
|
|
*
|
|
* @param string $plugin plugin name
|
|
* @param double $disablecache optional, defaults to false
|
|
* @return int|false the stored value or false if not found
|
|
*/
|
|
protected function get_version_from_config_plugins($plugin, $disablecache=false) {
|
|
global $DB;
|
|
static $pluginversions = null;
|
|
|
|
if (is_null($pluginversions) or $disablecache) {
|
|
$pluginversions = $DB->get_records_menu('config_plugins', array('name' => 'version'), 'plugin', 'plugin,value');
|
|
}
|
|
|
|
if (!array_key_exists($plugin, $pluginversions)) {
|
|
return false;
|
|
}
|
|
|
|
return $pluginversions[$plugin];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* General class for all plugin types that do not have their own class
|
|
*/
|
|
class plugintype_general extends plugintype_base implements plugintype_interface {
|
|
|
|
}
|
|
|
|
/**
|
|
* Class for page side blocks
|
|
*/
|
|
class plugintype_block extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::get_plugins()
|
|
*/
|
|
public static function get_plugins($type, $typerootdir, $typeclass) {
|
|
|
|
// get the information about blocks at the disk
|
|
$blocks = parent::get_plugins($type, $typerootdir, $typeclass);
|
|
|
|
// add blocks missing from disk
|
|
$blocksinfo = self::get_blocks_info();
|
|
foreach ($blocksinfo as $blockname => $blockinfo) {
|
|
if (isset($blocks[$blockname])) {
|
|
continue;
|
|
}
|
|
$plugin = new $typeclass();
|
|
$plugin->type = $type;
|
|
$plugin->typerootdir = $typerootdir;
|
|
$plugin->name = $blockname;
|
|
$plugin->rootdir = null;
|
|
$plugin->displayname = $blockname;
|
|
$plugin->versiondb = $blockinfo->version;
|
|
$plugin->set_source();
|
|
|
|
$blocks[$blockname] = $plugin;
|
|
}
|
|
|
|
return $blocks;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_display_name()
|
|
*/
|
|
public function set_display_name() {
|
|
|
|
if (get_string_manager()->string_exists('pluginname', 'block_' . $this->name)) {
|
|
$this->displayname = get_string('pluginname', 'block_' . $this->name);
|
|
|
|
} else if (($block = block_instance($this->name)) !== false) {
|
|
$this->displayname = $block->get_title();
|
|
|
|
} else {
|
|
parent::set_display_name();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_db()
|
|
*/
|
|
public function set_version_db() {
|
|
global $DB;
|
|
|
|
$blocksinfo = self::get_blocks_info();
|
|
if (isset($blocksinfo[$this->name]->version)) {
|
|
$this->versiondb = $blocksinfo[$this->name]->version;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
|
|
$blocksinfo = self::get_blocks_info();
|
|
if (isset($blocksinfo[$this->name]->visible)) {
|
|
if ($blocksinfo[$this->name]->visible) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return parent::is_enabled();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_settings_url()
|
|
*/
|
|
public function get_settings_url() {
|
|
|
|
if (($block = block_instance($this->name)) === false) {
|
|
return parent::get_settings_url();
|
|
|
|
} else if ($block->has_config()) {
|
|
if (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php')) {
|
|
return new moodle_url('/admin/settings.php', array('section' => 'blocksetting' . $this->name));
|
|
} else {
|
|
$blocksinfo = self::get_blocks_info();
|
|
return new moodle_url('/admin/block.php', array('block' => $blocksinfo[$this->name]->id));
|
|
}
|
|
|
|
} else {
|
|
return parent::get_settings_url();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_uninstall_url()
|
|
*/
|
|
public function get_uninstall_url() {
|
|
|
|
$blocksinfo = self::get_blocks_info();
|
|
return new moodle_url('/admin/blocks.php', array('delete' => $blocksinfo[$this->name]->id, 'sesskey' => sesskey()));
|
|
}
|
|
|
|
/**
|
|
* Provides access to the records in {block} table
|
|
*
|
|
* @param bool $disablecache do not use internal static cache
|
|
* @return array array of stdClasses
|
|
*/
|
|
protected static function get_blocks_info($disablecache=false) {
|
|
global $DB;
|
|
static $blocksinfocache = null;
|
|
|
|
if (is_null($blocksinfocache) or $disablecache) {
|
|
$blocksinfocache = $DB->get_records('block', null, 'name', 'name,id,version,visible');
|
|
}
|
|
|
|
return $blocksinfocache;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for text filters
|
|
*/
|
|
class plugintype_filter extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::get_plugins()
|
|
*/
|
|
public static function get_plugins($type, $typerootdir, $typeclass) {
|
|
global $CFG, $DB;
|
|
|
|
$filters = array();
|
|
|
|
// get the list of filters from both /filter and /mod location
|
|
$installed = filter_get_all_installed();
|
|
|
|
foreach ($installed as $filterlegacyname => $displayname) {
|
|
$plugin = new $typeclass();
|
|
$plugin->type = $type;
|
|
$plugin->typerootdir = $typerootdir;
|
|
$plugin->name = self::normalize_legacy_name($filterlegacyname);
|
|
$plugin->rootdir = $CFG->dirroot . '/' . $filterlegacyname;
|
|
$plugin->displayname = $displayname;
|
|
|
|
$plugin->set_version_disk();
|
|
$plugin->set_version_db();
|
|
$plugin->set_version_requires();
|
|
$plugin->set_source();
|
|
|
|
$filters[$plugin->name] = $plugin;
|
|
}
|
|
|
|
$globalstates = self::get_global_states();
|
|
|
|
if ($DB->get_manager()->table_exists('filter_active')) {
|
|
// if we're upgrading from 1.9, the table does not exist yet
|
|
// if it does, make sure that all installed filters are registered
|
|
$needsreload = false;
|
|
foreach (array_keys($installed) as $filterlegacyname) {
|
|
if (!isset($globalstates[self::normalize_legacy_name($filterlegacyname)])) {
|
|
filter_set_global_state($filterlegacyname, TEXTFILTER_DISABLED);
|
|
$needsreload = true;
|
|
}
|
|
}
|
|
if ($needsreload) {
|
|
$globalstates = self::get_global_states(true);
|
|
}
|
|
}
|
|
|
|
// make sure that all registered filters are installed, just in case
|
|
foreach ($globalstates as $name => $info) {
|
|
if (!isset($filters[$name])) {
|
|
// oops, there is a record in filter_active but the filter is not installed
|
|
$plugin = new $typeclass();
|
|
$plugin->type = $type;
|
|
$plugin->typerootdir = $typerootdir;
|
|
$plugin->name = $name;
|
|
$plugin->rootdir = $CFG->dirroot . '/' . $info->legacyname;
|
|
$plugin->displayname = $info->legacyname;
|
|
|
|
$plugin->set_version_db();
|
|
|
|
if (is_null($plugin->versiondb)) {
|
|
// this is a hack to stimulate 'Missing from disk' error
|
|
// because $plugin->versiondisk will be null !== false
|
|
$plugin->versiondb = false;
|
|
}
|
|
|
|
$filters[$plugin->name] = $plugin;
|
|
}
|
|
}
|
|
|
|
return $filters;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_display_name()
|
|
*/
|
|
public function set_display_name() {
|
|
// do nothing, the name is set in self::get_plugins()
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_disk()
|
|
*/
|
|
public function set_version_disk() {
|
|
|
|
if (strpos($this->name, 'mod_') === 0) {
|
|
// filters bundled with modules do not use versioning
|
|
return;
|
|
}
|
|
|
|
return parent::set_version_disk();
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_requires()
|
|
*/
|
|
public function set_version_requires() {
|
|
|
|
if (strpos($this->name, 'mod_') === 0) {
|
|
// filters bundled with modules do not use versioning
|
|
return;
|
|
}
|
|
|
|
return parent::set_version_requires();
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
|
|
$globalstates = self::get_global_states();
|
|
|
|
foreach ($globalstates as $filterlegacyname => $info) {
|
|
$name = self::normalize_legacy_name($filterlegacyname);
|
|
if ($name === $this->name) {
|
|
if ($info->active == TEXTFILTER_DISABLED) {
|
|
return false;
|
|
} else {
|
|
// it may be 'On' or 'Off, but available'
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_settings_url()
|
|
*/
|
|
public function get_settings_url() {
|
|
|
|
$globalstates = self::get_global_states();
|
|
$legacyname = $globalstates[$this->name]->legacyname;
|
|
if (filter_has_global_settings($legacyname)) {
|
|
return new moodle_url('/admin/settings.php', array('section' => 'filtersetting' . str_replace('/', '', $legacyname)));
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_uninstall_url()
|
|
*/
|
|
public function get_uninstall_url() {
|
|
|
|
if (strpos($this->name, 'mod_') === 0) {
|
|
return null;
|
|
} else {
|
|
$globalstates = self::get_global_states();
|
|
$legacyname = $globalstates[$this->name]->legacyname;
|
|
return new moodle_url('/admin/filters.php', array('sesskey' => sesskey(), 'filterpath' => $legacyname, 'action' => 'delete'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Convert legacy filter names like 'filter/foo' or 'mod/bar' into frankenstyle
|
|
*
|
|
* @param string $legacyfiltername legacy filter name
|
|
* @return string frankenstyle-like name
|
|
*/
|
|
protected static function normalize_legacy_name($legacyfiltername) {
|
|
|
|
$name = str_replace('/', '_', $legacyfiltername);
|
|
if (strpos($name, 'filter_') === 0) {
|
|
$name = substr($name, 7);
|
|
if (empty($name)) {
|
|
throw new coding_exception('Unable to determine filter name: ' . $legacyfiltername);
|
|
}
|
|
}
|
|
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* Provides access to the results of {@link filter_get_global_states()}
|
|
* but indexed by the normalized filter name
|
|
*
|
|
* The legacy filter name is available as ->legacyname property.
|
|
*
|
|
* @param bool $disablecache
|
|
* @return array
|
|
*/
|
|
protected static function get_global_states($disablecache=false) {
|
|
global $DB;
|
|
static $globalstatescache = null;
|
|
|
|
if ($disablecache or is_null($globalstatescache)) {
|
|
|
|
if (!$DB->get_manager()->table_exists('filter_active')) {
|
|
// we're upgrading from 1.9 and the table used by {@link filter_get_global_states()}
|
|
// does not exist yet
|
|
$globalstatescache = array();
|
|
|
|
} else {
|
|
foreach (filter_get_global_states() as $legacyname => $info) {
|
|
$name = self::normalize_legacy_name($legacyname);
|
|
$filterinfo = new stdClass();
|
|
$filterinfo->legacyname = $legacyname;
|
|
$filterinfo->active = $info->active;
|
|
$filterinfo->sortorder = $info->sortorder;
|
|
$globalstatescache[$name] = $filterinfo;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $globalstatescache;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for activity modules
|
|
*/
|
|
class plugintype_mod extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::get_plugins()
|
|
*/
|
|
public static function get_plugins($type, $typerootdir, $typeclass) {
|
|
|
|
// get the information about plugins at the disk
|
|
$modules = parent::get_plugins($type, $typerootdir, $typeclass);
|
|
|
|
// add modules missing from disk
|
|
$modulesinfo = self::get_modules_info();
|
|
foreach ($modulesinfo as $modulename => $moduleinfo) {
|
|
if (isset($modules[$modulename])) {
|
|
continue;
|
|
}
|
|
$plugin = new $typeclass();
|
|
$plugin->type = $type;
|
|
$plugin->typerootdir = $typerootdir;
|
|
$plugin->name = $modulename;
|
|
$plugin->rootdir = null;
|
|
$plugin->displayname = $modulename;
|
|
$plugin->versiondb = $moduleinfo->version;
|
|
$plugin->set_source();
|
|
|
|
$modules[$modulename] = $plugin;
|
|
}
|
|
|
|
return $modules;
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_display_name()
|
|
*/
|
|
public function set_display_name() {
|
|
if (get_string_manager()->string_exists('pluginname', $this->type . '_' . $this->name)) {
|
|
$this->displayname = get_string('pluginname', $this->type . '_' . $this->name);
|
|
} else {
|
|
$this->displayname = get_string('modulename', $this->type . '_' . $this->name);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_disk()
|
|
*/
|
|
public function set_version_disk() {
|
|
|
|
if (empty($this->rootdir)) {
|
|
return;
|
|
}
|
|
|
|
$versionfile = $this->rootdir . '/version.php';
|
|
|
|
if (is_readable($versionfile)) {
|
|
include($versionfile);
|
|
if (isset($module->version)) {
|
|
$this->versiondisk = $module->version;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_db()
|
|
*/
|
|
public function set_version_db() {
|
|
global $DB;
|
|
|
|
$modulesinfo = self::get_modules_info();
|
|
if (isset($modulesinfo[$this->name]->version)) {
|
|
$this->versiondb = $modulesinfo[$this->name]->version;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::set_version_requires()
|
|
*/
|
|
public function set_version_requires() {
|
|
|
|
if (empty($this->rootdir)) {
|
|
return;
|
|
}
|
|
|
|
$versionfile = $this->rootdir . '/version.php';
|
|
|
|
if (is_readable($versionfile)) {
|
|
include($versionfile);
|
|
if (isset($module->requires)) {
|
|
$this->versionrequires = $module->requires;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
|
|
$modulesinfo = self::get_modules_info();
|
|
if (isset($modulesinfo[$this->name]->visible)) {
|
|
if ($modulesinfo[$this->name]->visible) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return parent::is_enabled();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_settings_url()
|
|
*/
|
|
public function get_settings_url() {
|
|
|
|
if (!empty($this->rootdir) and (file_exists($this->rootdir . '/settings.php') or file_exists($this->rootdir . '/settingstree.php'))) {
|
|
return new moodle_url('/admin/settings.php', array('section' => 'modsetting' . $this->name));
|
|
} else {
|
|
return parent::get_settings_url();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_uninstall_url()
|
|
*/
|
|
public function get_uninstall_url() {
|
|
|
|
if ($this->name !== 'forum') {
|
|
return new moodle_url('/admin/modules.php', array('delete' => $this->name, 'sesskey' => sesskey()));
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Provides access to the records in {modules} table
|
|
*
|
|
* @param bool $disablecache do not use internal static cache
|
|
* @return array array of stdClasses
|
|
*/
|
|
protected static function get_modules_info($disablecache=false) {
|
|
global $DB;
|
|
static $modulesinfocache = null;
|
|
|
|
if (is_null($modulesinfocache) or $disablecache) {
|
|
$modulesinfocache = $DB->get_records('modules', null, 'name', 'name,id,version,visible');
|
|
}
|
|
|
|
return $modulesinfocache;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for question types
|
|
*/
|
|
class plugintype_qtype extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::set_display_name()
|
|
*/
|
|
public function set_display_name() {
|
|
$this->displayname = get_string($this->name, 'qtype_' . $this->name);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for question formats
|
|
*/
|
|
class plugintype_qformat extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::set_display_name()
|
|
*/
|
|
public function set_display_name() {
|
|
$this->displayname = get_string($this->name, 'qformat_' . $this->name);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for authentication plugins
|
|
*/
|
|
class plugintype_auth extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
global $CFG;
|
|
/** @var null|array list of enabled authentication plugins */
|
|
static $enabled = null;
|
|
|
|
if (in_array($this->name, array('nologin', 'manual'))) {
|
|
// these two are always enabled and can't be disabled
|
|
return null;
|
|
}
|
|
|
|
if (is_null($enabled)) {
|
|
$enabled = explode(',', $CFG->auth);
|
|
}
|
|
|
|
return isset($enabled[$this->name]);
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_settings_url()
|
|
*/
|
|
public function get_settings_url() {
|
|
|
|
if (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php')) {
|
|
return new moodle_url('/admin/settings.php', array('section' => 'authsetting' . $this->name));
|
|
} else {
|
|
return new moodle_url('/admin/auth_config.php', array('auth' => $this->name));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for enrolment plugins
|
|
*/
|
|
class plugintype_enrol extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* We do not actually need whole enrolment classes here so we do not call
|
|
* {@link enrol_get_plugins()}. Note that this may produce slightly different
|
|
* results, for example if the enrolment plugin does not contain lib.php
|
|
* but it is listed in $CFG->enrol_plugins_enabled
|
|
*
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
global $CFG;
|
|
/** @var null|array list of enabled enrolment plugins */
|
|
static $enabled = null;
|
|
|
|
if (is_null($enabled)) {
|
|
$enabled = explode(',', $CFG->enrol_plugins_enabled);
|
|
}
|
|
|
|
return isset($enabled[$this->name]);
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_settings_url()
|
|
*/
|
|
public function get_settings_url() {
|
|
|
|
if ($this->is_enabled() or (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php'))) {
|
|
return new moodle_url('/admin/settings.php', array('section' => 'enrolsettings' . $this->name));
|
|
} else {
|
|
return parent::get_settings_url();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_uninstall_url()
|
|
*/
|
|
public function get_uninstall_url() {
|
|
return new moodle_url('/admin/enrol.php', array('action' => 'uninstall', 'enrol' => $this->name, 'sesskey' => sesskey()));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for messaging processors
|
|
*/
|
|
class plugintype_message extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::get_settings_url()
|
|
*/
|
|
public function get_settings_url() {
|
|
|
|
if ($this->name === 'jabber') {
|
|
return new moodle_url('/admin/settings.php', array('section' => 'jabber'));
|
|
}
|
|
|
|
if ($this->name === 'email') {
|
|
return new moodle_url('/admin/settings.php', array('section' => 'mail'));
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for repositories
|
|
*/
|
|
class plugintype_repository extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
|
|
$enabled = self::get_enabled_repositories();
|
|
|
|
return isset($enabled[$this->name]);
|
|
}
|
|
|
|
/**
|
|
* @see plugintype_interface::get_settings_url()
|
|
*/
|
|
public function get_settings_url() {
|
|
|
|
if ($this->is_enabled()) {
|
|
return new moodle_url('/admin/repository.php', array('sesskey' => sesskey(), 'action' => 'edit', 'repos' => $this->name));
|
|
} else {
|
|
return parent::get_settings_url();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Provides access to the records in {repository} table
|
|
*
|
|
* @param bool $disablecache do not use internal static cache
|
|
* @return array array of stdClasses
|
|
*/
|
|
protected static function get_enabled_repositories($disablecache=false) {
|
|
global $DB;
|
|
static $repositories = null;
|
|
|
|
if (is_null($repositories) or $disablecache) {
|
|
$repositories = $DB->get_records('repository', null, 'type', 'type,visible,sortorder');
|
|
}
|
|
|
|
return $repositories;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for portfolios
|
|
*/
|
|
class plugintype_portfolio extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
|
|
$enabled = self::get_enabled_portfolios();
|
|
|
|
return isset($enabled[$this->name]);
|
|
}
|
|
|
|
/**
|
|
* Provides access to the records in {portfolio_instance} table
|
|
*
|
|
* @param bool $disablecache do not use internal static cache
|
|
* @return array array of stdClasses
|
|
*/
|
|
protected static function get_enabled_portfolios($disablecache=false) {
|
|
global $DB;
|
|
static $portfolios = null;
|
|
|
|
if (is_null($portfolios) or $disablecache) {
|
|
$portfolios = array();
|
|
$instances = $DB->get_recordset('portfolio_instance', null, 'plugin');
|
|
foreach ($instances as $instance) {
|
|
if (isset($portfolios[$instance->plugin])) {
|
|
if ($instance->visible) {
|
|
$portfolios[$instance->plugin]->visible = $instance->visible;
|
|
}
|
|
} else {
|
|
$portfolios[$instance->plugin] = $instance;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $portfolios;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class for themes
|
|
*/
|
|
class plugintype_theme extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
global $CFG;
|
|
|
|
if ((!empty($CFG->theme) and $CFG->theme === $this->name) or
|
|
(!empty($CFG->themelegacy) and $CFG->themelegacy === $this->name)) {
|
|
return true;
|
|
} else {
|
|
return parent::is_enabled();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class representing an MNet service
|
|
*/
|
|
class plugintype_mnetservice extends plugintype_base implements plugintype_interface {
|
|
|
|
/**
|
|
* @see plugintype_interface::is_enabled()
|
|
*/
|
|
public function is_enabled() {
|
|
global $CFG;
|
|
|
|
if (empty($CFG->mnet_dispatcher_mode) || $CFG->mnet_dispatcher_mode !== 'strict') {
|
|
return false;
|
|
} else {
|
|
return parent::is_enabled();
|
|
}
|
|
}
|
|
}
|