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<?php |
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/** |
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* @license MIT |
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* @author Igor Sorokin <[email protected]> |
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*/ |
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namespace Dspbee\Bundle\Template; |
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use Dspbee\Bundle\Common\TFileSystem; |
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use Dspbee\Bundle\Debug\Wrap; |
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use Dspbee\Bundle\Template\Exception\FileNotFoundException; |
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use Dspbee\Core\Request; |
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/** |
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* Class Native |
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* @package Dspbee\Bundle\Template |
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*/ |
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class Native |
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{ |
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use TFileSystem; |
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/** |
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* @param string $packageRoot |
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* @param Request|null $request |
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* @param bool $cache |
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*/ |
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public function __construct($packageRoot, Request $request = null, $cache = true) |
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{ |
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$this->packageRoot = rtrim($packageRoot, '/'); |
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$this->request = $request; |
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if (class_exists('Dspbee\Bundle\Debug\Wrap')) { |
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$this->cache = !Wrap::$debugEnabled; |
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} else { |
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$this->cache = $cache; |
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} |
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} |
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/** |
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* Create content from template and data. |
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* |
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* @param string $name |
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* @param array $data |
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* |
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* @return string|null |
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*/ |
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public function getContent($name, array $data = []) |
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{ |
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$path = $this->packageRoot . '/view/_cache/' . str_replace('/', '_', $name); |
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if (!file_exists($path) || !$this->cache) { |
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$code = $this->compile($name, true, true); |
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if (empty($code)) { |
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return null; |
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} |
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$fh = fopen($path, 'wb'); |
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if (flock($fh, LOCK_EX)) { |
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fwrite($fh, $code); |
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flock($fh, LOCK_UN); |
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} |
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fflush($fh); |
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fclose($fh); |
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} |
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$fh = fopen($path, 'rb'); |
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flock($fh, LOCK_SH); |
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if (null !== $this->request) { |
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$data = array_replace($data, ['request' => $this->request]); |
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} |
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$html = self::renderTemplate($path, $data); |
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flock($fh, LOCK_UN); |
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fclose($fh); |
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return $html; |
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} |
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/** |
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* Delete all cached templates. |
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*/ |
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public function clearCache() |
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{ |
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self::removeFromDir($this->packageRoot . '/view/_cache'); |
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} |
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/** |
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* Create solid template. |
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* |
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* @param string $name |
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* @param bool $processInclude |
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* @param bool $processExtends |
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* |
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* @return string|null |
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* |
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* @throws FileNotFoundException |
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*/ |
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private function compile($name, $processInclude, $processExtends) |
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{ |
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$path = $this->packageRoot . '/view/' . $name; |
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if (file_exists($path)) { |
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ob_start(); |
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readfile($path); |
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$code = ob_get_clean(); |
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} else { |
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throw new FileNotFoundException($path); |
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} |
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if ($processInclude) { |
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preg_match_all('/<!-- include (.*) -->/', $code, $matchList); |
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if (count($matchList)) { |
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foreach ($matchList[1] as $key => $template) { |
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if (!empty($matchList[0][$key]) && false !== strpos($code, $matchList[0][$key])) { |
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$template = trim($template); |
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$code = str_replace($matchList[0][$key], $this->compile($template, true, false), $code); |
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} |
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} |
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} |
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} |
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if ($processExtends) { |
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preg_match_all('/<!-- extends (.*) -->/', $code, $matchList); |
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if (isset($matchList[1][0])) { |
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$template = trim($matchList[1][0]); |
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$parentHtml = $this->compile($template, true, false); |
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$code = str_replace($matchList[0][0], '', $code); |
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$parentHtml = str_replace('<!-- section -->', $code, $parentHtml); |
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$code = $parentHtml; |
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} |
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} |
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return $code; |
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} |
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/** |
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* Safe include. Used for scope isolation. |
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* |
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* @param string $__file__ File to include |
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* @param array $data Data passed to template |
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* |
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* @return string |
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*/ |
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private static function renderTemplate($__file__, array $data) |
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{ |
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ob_start(); |
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extract($data); |
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include $__file__; |
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return ob_get_clean(); |
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} |
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private $request; |
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private $packageRoot; |
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private $cache; |
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} |
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159
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dspbee /
pivasic
$pathcan contain request data and is used in file inclusion context(s) leading to a potential security vulnerability.General Strategies to prevent injection
In general, it is advisable to prevent any user-data to reach this point. This can be done by white-listing certain values:
if ( ! in_array($value, array('this-is-allowed', 'and-this-too'), true)) { throw new \InvalidArgumentException('This input is not allowed.'); }For numeric data, we recommend to explicitly cast the data: