Current File : /var/www/businessmultisite/wp-content/plugins/duplicator-pro/src/Core/Addons/AbstractAddonCore.php
<?php
/**
* Class that collects the functions of initial checks on the requirements to run the plugin
*
* @package Duplicator
* @copyright (c) 2021, Snapcreek LLC
*
*/
namespace Duplicator\Core\Addons;
abstract class AbstractAddonCore
{
const ADDON_DATA_CONTEXT = 'duplicator_addon';
/**
*
* @var [self]
*/
private static $instances = array();
/**
*
* @var array
*/
protected $addonData = array();
/**
*
* @return self
*/
public static function getInstance()
{
$class = get_called_class();
if (!isset(self::$instances[$class])) {
self::$instances[$class] = new static();
}
return self::$instances[$class];
}
/**
* Class constructor
*/
protected function __construct()
{
$reflect = new \ReflectionClass(get_called_class());
$this->addonData = self::getInitAddonData($reflect->getShortName());
}
/**
* Init called on worpdres hook init if addon is enabled
*
* @return void
*/
abstract public function init();
/**
* Return addon file.
*
* This function should be abstract but in php 5.3 this generates a warning so it generates an exception if it is not extended.
*
* @return string
* @throws Exception
*/
public static function getAddonFile()
{
// To prevent the warning about static abstract functions that appears in PHP 5.4/5.6 I use this trick.
throw new \Exception('this function have to overwritte on child class');
}
/**
* Return addon folder.
*
* This function should be abstract but in php 5.3 this generates a warning so it generates an exception if it is not extended.
*
* @return string
* @throws Exception
*/
public static function getAddonPath()
{
// To prevent the warning about static abstract functions that appears in PHP 5.4/5.6 I use this trick.
throw new \Exception('this function have to overwritte on child class');
}
/**
*
* @return string
*/
public function getAddonInstallerPath()
{
return static::getAddonPath() . '/installer/' . strtolower($this->getSlug());
}
/**
* Return addon slug
*
* @return string
*/
public function getSlug()
{
return $this->addonData['slug'];
}
/**
* Check if current addon is avaiable
*
* @return boolean
*/
public function canEnable()
{
if (version_compare(PHP_VERSION, $this->addonData['requiresPHP'], '<')) {
return false;
}
global $wp_version;
if (version_compare($wp_version, $this->addonData['requiresWP'], '<')) {
return false;
}
if (version_compare(DUPLICATOR_PRO_VERSION, $this->addonData['requiresDuplcator'], '<')) {
return false;
}
return true;
}
/**
* Check if addon has dependencies
*
* @return boolean
*/
public function hasDependencies()
{
$avaliableAddons = AddonsManager::getInstance()->getAvaiableAddons();
return !array_diff($this->addonData['requiresAddons'], $avaliableAddons);
}
/**
* Get addon info data
*
* @param string $class class short name
*
* @return array
*/
protected static function getInitAddonData($class)
{
$data = get_file_data(static::getAddonFile(), self::getDefaltHeaders(), self::ADDON_DATA_CONTEXT);
$getDefaultVal = self::getDefaultHeadersValues();
foreach ($data as $key => $val) {
if (strlen($val) === 0) {
$data[$key] = $getDefaultVal[$key];
}
}
if (!is_array($data['requiresAddons'])) {
$data['requiresAddons'] = explode(',', $data['requiresAddons']);
}
$data['requiresAddons'] = array_map('trim', $data['requiresAddons']);
$data['slug'] = $class;
if (strlen($data['name']) === 0) {
$data['name'] = $data['slug'];
}
return $data;
}
/**
* Get defaults addon header value
*
* @return array
*/
protected static function getDefaultHeadersValues()
{
static $defaultHeaders = null;
if (is_null($defaultHeaders)) {
$defaultHeaders = array(
'name' => '',
'addonURI' => '',
'version' => '0',
'description' => '',
'author' => '',
'authorURI' => '',
'requiresWP' => '4.0',
'requiresPHP' => '5.3',
'requiresDuplcator' => '4.0.2',
'requiresAddons' => array()
);
}
return $defaultHeaders;
}
/**
* Get addon headers
*
* @return string[]
*/
protected static function getDefaltHeaders()
{
return array(
'name' => 'Name',
'addonURI' => 'Addon URI',
'version' => 'Version',
'description' => 'Description',
'author' => 'Author',
'authorURI' => 'Author URI',
'requiresWP' => 'Requires WP min version',
'requiresPHP' => 'Requires PHP',
'requiresDuplcator' => 'Requires Duplicator min version',
'requiresAddons' => 'Requires addons'
);
}
}
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