100 lines
2.9 KiB
PHP
100 lines
2.9 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin\Middleware;
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use Fig\Http\Message\StatusCodeInterface;
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use PhpMyAdmin\Core;
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use PhpMyAdmin\Exceptions\MissingExtensionException;
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use PhpMyAdmin\Http\Factory\ResponseFactory;
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use PhpMyAdmin\Template;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Server\MiddlewareInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use function __;
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use function function_exists;
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use function sprintf;
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final class PhpExtensionsChecking implements MiddlewareInterface
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{
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public function __construct(private readonly Template $template, private readonly ResponseFactory $responseFactory)
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{
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}
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
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{
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try {
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$this->checkRequiredPhpExtensions();
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} catch (MissingExtensionException $exception) {
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// Disables template caching because the cache directory is not known yet.
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$this->template->disableCache();
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$output = $this->template->render('error/generic', [
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'lang' => 'en',
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'dir' => 'ltr',
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'error_message' => $exception->getMessage(),
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]);
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$response = $this->responseFactory->createResponse(StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR);
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$response->getBody()->write($output);
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return $response;
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}
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return $handler->handle($request);
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}
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/**
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* Checks that required PHP extensions are there.
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*/
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private function checkRequiredPhpExtensions(): void
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{
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/**
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* Warning about mbstring.
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*/
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if (! function_exists('mb_detect_encoding')) {
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Core::warnMissingExtension('mbstring');
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}
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/**
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* We really need this one!
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*/
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if (! function_exists('preg_replace')) {
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Core::warnMissingExtension('pcre', true);
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}
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/**
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* JSON is required in several places.
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*/
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if (! function_exists('json_encode')) {
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Core::warnMissingExtension('json', true);
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}
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/**
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* ctype is required for Twig.
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*/
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if (! function_exists('ctype_alpha')) {
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Core::warnMissingExtension('ctype', true);
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}
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if (! function_exists('mysqli_connect')) {
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$moreInfo = sprintf(__('See %sour documentation%s for more information.'), '[doc@faqmysql]', '[/doc]');
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Core::warnMissingExtension('mysqli', true, $moreInfo);
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}
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if (! function_exists('session_name')) {
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Core::warnMissingExtension('session', true);
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}
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/**
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* hash is required for cookie authentication.
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*/
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if (function_exists('hash_hmac')) {
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return;
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}
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Core::warnMissingExtension('hash', true);
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}
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}
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