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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Store\Model\Config;
/**
* Placeholder configuration values processor. Replace placeholders in configuration with config values
*/
class Placeholder
{
/**
* @var \Magento\Framework\App\RequestInterface
*/
protected $request;
/**
* @var string[]
*/
protected $urlPaths;
/**
* @var string
*/
protected $urlPlaceholder;
/**
* @param \Magento\Framework\App\RequestInterface $request
* @param string[] $urlPaths
* @param string $urlPlaceholder
*/
public function __construct(\Magento\Framework\App\RequestInterface $request, $urlPaths, $urlPlaceholder)
{
$this->request = $request;
$this->urlPaths = $urlPaths;
$this->urlPlaceholder = $urlPlaceholder;
}
/**
* Replace placeholders with config values
*
* @param array $data
* @return array
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function process(array $data = [])
{
if (empty($data)) {
return [];
}
array_walk_recursive(
$data,
function (&$value, $key, $data) {
if (is_string($value) && str_contains($value, '{')) { // If _getPlaceholder() would do nothing, skip
$value = $this->_processPlaceholders($value, $data);
}
},
$data
);
return $data;
}
/**
* Process array data recursively
*
* @deprecated 101.0.4 This method isn't used in process() implementation anymore
* @see process()
*
* @param array &$data
* @param string $path
* @return void
*/
protected function _processData(&$data, $path)
{
$configValue = $this->_getValue($path, $data);
if (is_array($configValue)) {
foreach (array_keys($configValue) as $key) {
$this->_processData($data, $path . '/' . $key);
}
} else {
$this->_setValue($data, $path, $this->_processPlaceholders($configValue, $data));
}
}
/**
* Replace placeholders with config values
*
* @param string $value
* @param array $data
* @return string
*/
protected function _processPlaceholders($value, $data)
{
$placeholder = $this->_getPlaceholder($value);
if ($placeholder) {
$url = false;
if ($placeholder == 'unsecure_base_url') {
$url = $this->_getValue($this->urlPaths['unsecureBaseUrl'], $data);
} elseif ($placeholder == 'secure_base_url') {
$url = $this->_getValue($this->urlPaths['secureBaseUrl'], $data);
}
if ($url) {
$value = str_replace('{{' . $placeholder . '}}', $url, $value);
} elseif (strpos($value, (string)$this->urlPlaceholder) !== false) {
$distroBaseUrl = $this->request->getDistroBaseUrl();
$value = str_replace($this->urlPlaceholder, $distroBaseUrl, $value);
}
if (null !== $this->_getPlaceholder($value)) {
$value = $this->_processPlaceholders($value, $data);
}
}
return $value;
}
/**
* Get placeholder from value
*
* @param string $value
* @return string|null
*/
protected function _getPlaceholder($value)
{
if (is_string($value) && preg_match('/{{(.*)}}.*/', $value, $matches)) {
$placeholder = $matches[1];
if ($placeholder == 'unsecure_base_url' ||
$placeholder == 'secure_base_url' ||
strpos($value, (string)$this->urlPlaceholder) !== false
) {
return $placeholder;
}
}
return null;
}
/**
* Get array value by path
*
* @param string $path
* @param array $data
* @return array|null
*/
protected function _getValue($path, array $data)
{
$keys = explode('/', (string)$path);
foreach ($keys as $key) {
if (is_array($data) && (isset($data[$key]) || array_key_exists($key, $data))) {
$data = $data[$key];
} else {
return null;
}
}
return $data;
}
/**
* Set array value by path
*
* @deprecated 101.0.4 This method isn't used in process() implementation anymore
* @see process()
*
* @param array &$container
* @param string $path
* @param string $value
* @return void
*/
protected function _setValue(array &$container, $path, $value)
{
$segments = explode('/', (string)$path);
$currentPointer = &$container;
foreach ($segments as $segment) {
if (!isset($currentPointer[$segment])) {
$currentPointer[$segment] = [];
}
$currentPointer = &$currentPointer[$segment];
}
$currentPointer = $value;
}
}