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<?php |
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/** |
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* webtrees: online genealogy |
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* Copyright (C) 2019 webtrees development team |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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declare(strict_types=1); |
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namespace Fisharebest\Webtrees\Http\Middleware; |
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use Fig\Http\Message\RequestMethodInterface; |
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use Fig\Http\Message\StatusCodeInterface; |
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use Fisharebest\Localization\Locale\LocaleEnUs; |
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use Fisharebest\Webtrees\Http\ViewResponseTrait; |
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use Fisharebest\Webtrees\Log; |
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use Fisharebest\Webtrees\Services\TreeService; |
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use Fisharebest\Webtrees\Site; |
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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 Symfony\Component\HttpKernel\Exception\HttpException; |
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use Throwable; |
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use function app; |
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use function dirname; |
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use function ob_end_clean; |
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use function ob_get_level; |
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use function response; |
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use function str_replace; |
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use function view; |
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use const PHP_EOL; |
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/** |
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* Middleware to handle and render errors. |
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*/ |
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class HandleExceptions implements MiddlewareInterface, StatusCodeInterface |
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{ |
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use ViewResponseTrait; |
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/** @var TreeService */ |
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private $tree_service; |
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/** |
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* HandleExceptions constructor. |
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* |
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* @param TreeService $tree_service |
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*/ |
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public function __construct(TreeService $tree_service) |
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{ |
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$this->tree_service = $tree_service; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param RequestHandlerInterface $handler |
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* |
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* @return ResponseInterface |
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* @throws Throwable |
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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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return $handler->handle($request); |
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} catch (HttpException $exception) { |
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// The router added the tree attribute to the request, and we need it for the error response. |
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$request = app(ServerRequestInterface::class) ?? $request; |
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return $this->httpExceptionResponse($request, $exception); |
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} catch (Throwable $exception) { |
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// Exception thrown while buffering output? |
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while (ob_get_level() > 0) { |
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ob_end_clean(); |
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} |
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// The Router middleware may have added a tree attribute to the request. |
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// This might be usable in the error page. |
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if (app()->has(ServerRequestInterface::class)) { |
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$request = app(ServerRequestInterface::class) ?? $request; |
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} |
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// No locale set in the request? |
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if ($request->getAttribute('locale') === null) { |
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$request = $request->withAttribute('locale', new LocaleEnUs()); |
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app()->instance(ServerRequestInterface::class, $request); |
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} |
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// Show the exception in a standard webtrees page (if we can). |
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try { |
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return $this->unhandledExceptionResponse($request, $exception); |
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} catch (Throwable $e) { |
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// That didn't work. Try something else. |
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} |
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// Show the exception in a tree-less webtrees page (if we can). |
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try { |
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$request = $request->withAttribute('tree', null); |
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return $this->unhandledExceptionResponse($request, $exception); |
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} catch (Throwable $e) { |
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// That didn't work. Try something else. |
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} |
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// Show the exception in an error page (if we can). |
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try { |
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$this->layout = 'layouts/error'; |
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return $this->unhandledExceptionResponse($request, $exception); |
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} catch (Throwable $e) { |
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// That didn't work. Try something else. |
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} |
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// Show a stack dump. |
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return response((string) $exception, StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR); |
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} |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param HttpException $exception |
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* |
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* @return ResponseInterface |
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*/ |
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private function httpExceptionResponse(ServerRequestInterface $request, HttpException $exception): ResponseInterface |
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{ |
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$tree = $request->getAttribute('tree'); |
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$default = Site::getPreference('DEFAULT_GEDCOM'); |
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$tree = $tree ?? $this->tree_service->all()[$default] ?? $this->tree_service->all()->first(); |
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if ($request->getHeaderLine('X-Requested-With') !== '') { |
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$this->layout = 'layouts/ajax'; |
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} |
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return $this->viewResponse('components/alert-danger', [ |
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'alert' => $exception->getMessage(), |
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'title' => $exception->getMessage(), |
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'tree' => $tree, |
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], $exception->getStatusCode()); |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param Throwable $exception |
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* |
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* @return ResponseInterface |
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*/ |
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private function unhandledExceptionResponse(ServerRequestInterface $request, Throwable $exception): ResponseInterface |
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{ |
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$this->layout = 'layouts/default'; |
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// Create a stack dump for the exception |
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$base_path = dirname(__DIR__, 3); |
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$trace = $exception->getMessage() . ' ' . $exception->getFile() . ':' . $exception->getLine() . PHP_EOL . $exception->getTraceAsString(); |
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$trace = str_replace($base_path, '…', $trace); |
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$trace = e($trace); |
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$trace = preg_replace('/^.*modules_v4.*$/m', '<b>$0</b>', $trace); |
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try { |
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Log::addErrorLog($trace); |
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} catch (Throwable $exception) { |
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// Must have been a problem with the database. Nothing we can do here. |
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} |
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if ($request->getHeaderLine('X-Requested-With') !== '') { |
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// If this was a GET request, then we were probably fetching HTML to display, for |
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// example a chart or tab. |
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if ($request->getMethod() === RequestMethodInterface::METHOD_GET) { |
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$status_code = StatusCodeInterface::STATUS_OK; |
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} else { |
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$status_code = StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR; |
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} |
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return response(view('components/alert-danger', ['alert' => $trace]), $status_code); |
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} |
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return $this->viewResponse('errors/unhandled-exception', [ |
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'title' => 'Error', |
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'error' => $trace, |
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'request' => $request, |
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'tree' => null, |
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], StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR); |
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} |
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} |
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fisharebest /
webtrees
