lamine_wp/web/app/mu-plugins/bedrock-autoloader.php

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2020-05-20 15:48:29 +02:00
<?php
/**
* Plugin Name: Bedrock Autoloader
* Plugin URI: https://github.com/roots/bedrock/
* Description: An autoloader that enables standard plugins to be required just like must-use plugins. The autoloaded plugins are included during mu-plugin loading. An asterisk (*) next to the name of the plugin designates the plugins that have been autoloaded.
* Version: 1.0.1
* Author: Roots
* Author URI: https://roots.io/
* License: MIT License
*/
namespace Roots\Bedrock;
if (!is_blog_installed()) {
return;
}
/**
* Class Autoloader
* @package Roots\Bedrock
* @author Roots
* @link https://roots.io/
*/
class Autoloader
{
/**
* Singleton instance.
*
* @var static
*/
private static $instance;
/**
* Store Autoloader cache and site option.
*
* @var array
*/
private $cache;
/**
* Autoloaded plugins.
*
* @var array
*/
private $autoPlugins;
/**
* Autoloaded mu-plugins.
*
* @var array
*/
private $muPlugins;
/**
* Number of plugins.
*
* @var int
*/
private $count;
/**
* Newly activated plugins.
*
* @var array
*/
private $activated;
/**
* Relative path to the mu-plugins directory.
*
* @var string
*/
private $relativePath;
/**
* Create an instance of Autoloader.
*
* @return void
*/
public function __construct()
{
if (isset(self::$instance)) {
return;
}
self::$instance = $this;
$this->relativePath = '/../' . basename(__DIR__);
if (is_admin()) {
add_filter('show_advanced_plugins', [$this, 'showInAdmin'], 0, 2);
}
$this->loadPlugins();
}
/**
* Run some checks then autoload our plugins.
*
* @return void
*/
public function loadPlugins()
{
$this->checkCache();
$this->validatePlugins();
$this->countPlugins();
array_map(static function () {
include_once WPMU_PLUGIN_DIR . '/' . func_get_args()[0];
}, array_keys($this->cache['plugins']));
$this->pluginHooks();
}
/**
* Filter show_advanced_plugins to display the autoloaded plugins.
*
* @param bool $show Whether to show the advanced plugins for the specified plugin type.
* @param string $type The plugin type, i.e., `mustuse` or `dropins`
* @return bool We return `false` to prevent WordPress from overriding our work
*/
public function showInAdmin($show, $type)
{
$screen = get_current_screen();
$current = is_multisite() ? 'plugins-network' : 'plugins';
if ($screen->base !== $current || $type !== 'mustuse' || !current_user_can('activate_plugins')) {
return $show;
}
$this->updateCache();
$this->autoPlugins = array_map(function ($auto_plugin) {
$auto_plugin['Name'] .= ' *';
return $auto_plugin;
}, $this->autoPlugins);
$GLOBALS['plugins']['mustuse'] = array_unique(array_merge($this->autoPlugins, $this->muPlugins), SORT_REGULAR);
return false;
}
/**
* This sets the cache or calls for an update
*
* @return void
*/
private function checkCache()
{
$cache = get_site_option('bedrock_autoloader');
if ($cache === false || (isset($cache['plugins'], $cache['count']) && count($cache['plugins']) !== $cache['count'])) {
$this->updateCache();
return;
}
$this->cache = $cache;
}
/**
* Update mu-plugin cache.
*
* Get the plugins and mu-plugins from the mu-plugin path and remove duplicates.
* Check cache against current plugins for newly activated plugins.
* After that, we can update the cache.
*
* @return void
*/
private function updateCache()
{
require_once ABSPATH . 'wp-admin/includes/plugin.php';
$this->autoPlugins = get_plugins($this->relativePath);
$this->muPlugins = get_mu_plugins();
$plugins = array_diff_key($this->autoPlugins, $this->muPlugins);
$rebuild = !(isset($this->cache['plugins']) && is_array($this->cache['plugins']));
$this->activated = $rebuild ? $plugins : array_diff_key($plugins, $this->cache['plugins']);
$this->cache = ['plugins' => $plugins, 'count' => $this->countPlugins()];
update_site_option('bedrock_autoloader', $this->cache);
}
/**
* Activate plugin hooks.
*
* This accounts for the plugin hooks that would run if the plugins were
* loaded as usual. Plugins are removed by deletion, so there's no way
* to deactivate or uninstall.
*
* @return void
*/
private function pluginHooks()
{
if (!is_array($this->activated)) {
return;
}
foreach ($this->activated as $plugin_file => $plugin_info) {
do_action('activate_' . $plugin_file);
}
}
/**
* Check that the plugin file exists, if it doesn't update the cache.
*
* @return void
*/
private function validatePlugins()
{
foreach ($this->cache['plugins'] as $plugin_file => $plugin_info) {
if (!file_exists(WPMU_PLUGIN_DIR . '/' . $plugin_file)) {
$this->updateCache();
break;
}
}
}
/**
* Count the number of autoloaded plugins.
*
* Count our plugins (but only once) by counting the top level folders in the
* mu-plugins dir. If it's more or less than last time, update the cache.
*
* @return int Number of autoloaded plugins.
*/
private function countPlugins()
{
if (isset($this->count)) {
return $this->count;
}
$count = count(glob(WPMU_PLUGIN_DIR . '/*/', GLOB_ONLYDIR | GLOB_NOSORT));
if (!isset($this->cache['count']) || $count !== $this->cache['count']) {
$this->count = $count;
$this->updateCache();
}
return $this->count;
}
}
new Autoloader();