ee45b3981c
Extracts the url.php logic to the UrlRedirector::redirect static method. Signed-off-by: Maurício Meneghini Fauth <mauricio@fauth.dev>
60 lines
1.7 KiB
PHP
60 lines
1.7 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use function __;
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use function is_scalar;
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use function preg_match;
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use function strlen;
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/**
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* URL redirector to avoid leaking Referer with some sensitive information.
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*/
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final class UrlRedirector
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{
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/**
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* @psalm-return never
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*/
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public static function redirect(): void
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{
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global $containerBuilder, $dbi;
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// Load database service because services.php is not available here
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$dbi = DatabaseInterface::load();
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$containerBuilder->set(DatabaseInterface::class, $dbi);
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// Only output the http headers
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$response = ResponseRenderer::getInstance();
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$response->getHeader()->sendHttpHeaders();
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$response->disable();
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if (
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! isset($_GET['url']) || ! is_scalar($_GET['url']) || strlen((string) $_GET['url']) === 0
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|| ! preg_match('/^https:\/\/[^\n\r]*$/', (string) $_GET['url'])
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|| ! Core::isAllowedDomain((string) $_GET['url'])
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) {
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Core::sendHeaderLocation('./');
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exit;
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}
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/**
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* JavaScript redirection is necessary. Because if header() is used then web browser sometimes does not change
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* the HTTP_REFERER field and so with old URL as Referer, token also goes to external site.
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*
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* @var Template $template
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*/
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$template = $containerBuilder->get('template');
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echo $template->render('javascript/redirect', [
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'url' => Sanitize::escapeJsString((string) $_GET['url']),
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]);
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// Display redirecting msg on screen.
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// Do not display the value of $_GET['url'] to avoid showing injected content
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echo __('Taking you to the target site.');
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exit;
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}
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}
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