BaseControllerTrait.php
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<?php
/**
* BaseControllerTrait.php
*
* The BaseControllerTrait trait file.
*
* PHP versions 5
*
* @author Alexander Schneider <alexanderschneider85@gmail.com>
* @copyright 2008-2017 Alexander Schneider
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2
* @version SVN: $id$
* @link http://wordpress.org/extend/plugins/user-access-manager/
*/
declare(strict_types=1);
namespace UserAccessManager\Controller;
use Exception;
use UserAccessManager\Config\WordpressConfig;
use UserAccessManager\Wrapper\Php;
/**
* Trait BaseControllerTrait
*
* @package UserAccessManager\Controller
*/
trait BaseControllerTrait
{
/**
* @return Php
*/
abstract protected function getPhp(): Php;
/**
* @return WordpressConfig
*/
abstract protected function getWordpressConfig(): WordpressConfig;
/**
* @var string
*/
protected $template = null;
/**
* Returns the current request url.
* @return string
*/
public function getRequestUrl(): string
{
return htmlentities($_SERVER['REQUEST_URI']);
}
/**
* Sanitize the given value.
* @param mixed $value
* @return array|string
*/
private function sanitizeValue($value)
{
if (is_object($value) === true) {
return $value;
} elseif (is_array($value) === true) {
$newValue = [];
foreach ($value as $key => $arrayValue) {
$sanitizedKey = $this->sanitizeValue($key);
$newValue[$sanitizedKey] = $this->sanitizeValue($arrayValue);
}
$value = $newValue;
} elseif (is_string($value) === true) {
$value = preg_replace('/[\\\\]+(["|\'])/', '$1', $value);
$value = stripslashes($value);
$value = htmlspecialchars($value);
}
return $value;
}
/**
* Returns the request parameter.
* @param string $name
* @param mixed $default
* @return mixed
*/
public function getRequestParameter(string $name, $default = null)
{
$return = (isset($_POST[$name]) === true) ? $this->sanitizeValue($_POST[$name]) : null;
if ($return === null) {
$return = (isset($_GET[$name]) === true) ? $this->sanitizeValue($_GET[$name]) : $default;
}
return $return;
}
/**
* Returns the content of the excluded php file.
* @param string $fileName The view file name
* @return string
*/
protected function getIncludeContents(string $fileName): string
{
$contents = '';
$realPath = rtrim($this->getWordpressConfig()->getRealPath(), DIRECTORY_SEPARATOR);
$path = [$realPath, 'src', 'View'];
$path = implode(DIRECTORY_SEPARATOR, $path).DIRECTORY_SEPARATOR;
$fileWithPath = $path.$fileName;
if (is_file($fileWithPath) === true) {
try {
ob_start();
$this->getPhp()->includeFile($this, $fileWithPath);
$contents = ob_get_contents();
ob_end_clean();
} catch (Exception $exception) {
$contents = "Error on including content '{$fileWithPath}': {$exception->getMessage()}";
ob_end_clean();
}
}
return $contents;
}
/**
* Renders the given template
*/
public function render()
{
if ($this->template !== null) {
echo $this->getIncludeContents($this->template);
}
}
}