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<?php
declare(strict_types=1);
namespace PhpMyAdmin;
use PhpMyAdmin\Twig\AssetExtension;
use PhpMyAdmin\Twig\CoreExtension;
use PhpMyAdmin\Twig\Extensions\Node\TransNode;
use PhpMyAdmin\Twig\FlashMessagesExtension;
use PhpMyAdmin\Twig\I18nExtension;
use PhpMyAdmin\Twig\MessageExtension;
use PhpMyAdmin\Twig\SanitizeExtension;
use PhpMyAdmin\Twig\TableExtension;
use PhpMyAdmin\Twig\TrackerExtension;
use PhpMyAdmin\Twig\TransformationsExtension;
use PhpMyAdmin\Twig\UrlExtension;
use PhpMyAdmin\Twig\UtilExtension;
use RuntimeException;
use Throwable;
use Twig\Environment;
use Twig\Error\LoaderError;
use Twig\Error\RuntimeError;
use Twig\Error\SyntaxError;
use Twig\Extension\DebugExtension;
use Twig\Loader\FilesystemLoader;
use Twig\RuntimeLoader\ContainerRuntimeLoader;
use Twig\TemplateWrapper;
use function __;
use function is_array;
use function sprintf;
use function trigger_error;
use const E_USER_WARNING;
/**
* Handle front end templating
*/
class Template
{
/**
* Twig environment
*
* @var Environment
*/
protected static $twig;
public const TEMPLATES_FOLDER = ROOT_PATH . 'templates';
public function __construct()
{
if (static::$twig !== null) {
return;
}
/** @var Config|null $config */
$config = $GLOBALS['config'];
$cacheDir = $config !== null ? $config->getTempDir('twig') : null;
static::$twig = self::getTwigEnvironment($cacheDir);
}
public static function getTwigEnvironment(?string $cacheDir): Environment
{
$GLOBALS['containerBuilder'] = $GLOBALS['containerBuilder'] ?? null;
/* Twig expects false when cache is not configured */
if ($cacheDir === null) {
$cacheDir = false;
}
$loader = new FilesystemLoader(self::TEMPLATES_FOLDER);
$twig = new Environment($loader, [
'auto_reload' => true,
'cache' => $cacheDir,
]);
$twig->addRuntimeLoader(new ContainerRuntimeLoader($GLOBALS['containerBuilder']));
if (is_array($GLOBALS['cfg']) && ($GLOBALS['cfg']['environment'] ?? '') === 'development') {
$twig->enableDebug();
$twig->addExtension(new DebugExtension());
// This will enable debug for the extension to print lines
// It is used in po file lines re-mapping
TransNode::$enableAddDebugInfo = true;
}
if ($GLOBALS['cfg']['environment'] === 'production') {
$twig->disableDebug();
TransNode::$enableAddDebugInfo = false;
}
$twig->addExtension(new AssetExtension());
$twig->addExtension(new CoreExtension());
$twig->addExtension(new FlashMessagesExtension());
$twig->addExtension(new I18nExtension());
$twig->addExtension(new MessageExtension());
$twig->addExtension(new SanitizeExtension());
$twig->addExtension(new TableExtension());
$twig->addExtension(new TrackerExtension());
$twig->addExtension(new TransformationsExtension());
$twig->addExtension(new UrlExtension());
$twig->addExtension(new UtilExtension());
return $twig;
}
/**
* Loads a template.
*
* @param string $templateName Template path name
*
* @throws LoaderError
* @throws RuntimeError
* @throws SyntaxError
*/
private function load(string $templateName): TemplateWrapper
{
try {
$template = static::$twig->load($templateName . '.twig');
} catch (RuntimeException $e) {
/* Retry with disabled cache */
static::$twig->setCache(false);
$template = static::$twig->load($templateName . '.twig');
/*
* The trigger error is intentionally after second load
* to avoid triggering error when disabling cache does not
* solve it.
*/
trigger_error(
sprintf(
__('Error while working with template cache: %s'),
$e->getMessage()
),
E_USER_WARNING
);
}
return $template;
}
/**
* @param string $template Template path name
* @param array $data Associative array of template variables
*
* @throws Throwable
* @throws LoaderError
* @throws RuntimeError
* @throws SyntaxError
*/
public function render(string $template, array $data = []): string
{
return $this->load($template)->render($data);
}
}
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