Changes:

[friendica.git] / src / Module / HTTPException / PageNotFound.php

diff --git a/src/Module/HTTPException/PageNotFound.php b/src/Module/HTTPException/PageNotFound.php
index 6c2395b0e2030e5379359366a70c15a3ff341a1d..ba18d23e6b6cee45126eba241bac4e56ad37d49f 100644 (file)
--- a/src/Module/HTTPException/PageNotFound.php
+++ b/src/Module/HTTPException/PageNotFound.php
@@ -1,15 +1,82 @@
 <?php
+/**
+ * @copyright Copyright (C) 2010-2024, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
 
 namespace Friendica\Module\HTTPException;
 
+use Friendica\App;
 use Friendica\BaseModule;
 use Friendica\Core\L10n;
+use Friendica\Core\System;
+use Friendica\Module\Response;
+use Friendica\Module\Special\HTTPException as ModuleHTTPException;
 use Friendica\Network\HTTPException;
+use Friendica\Util\Profiler;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Log\LoggerInterface;
 
 class PageNotFound extends BaseModule
 {
-       public static function content(array $parameters = [])
+       /** @var string */
+       private $remoteAddress;
+
+       public function __construct(L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, App\Request $request, array $server, array $parameters = [])
+       {
+               parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
+
+               $this->remoteAddress = $request->getRemoteAddress();
+       }
+
+       protected function content(array $request = []): string
        {
-               throw new HTTPException\NotFoundException(DI::l10n()->t('Page not found.'));
+               throw new HTTPException\NotFoundException($this->t('Page not found.'));
+       }
+
+       public function run(ModuleHTTPException $httpException, array $request = []): ResponseInterface
+       {
+               /* The URL provided does not resolve to a valid module.
+                *
+                * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
+                * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
+                * we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
+                * this will often succeed and eventually do the right thing.
+                *
+                * Otherwise we are going to emit a 404 not found.
+                */
+               $queryString = $this->server['QUERY_STRING'];
+               // Stupid browser tried to pre-fetch our JavaScript img template. Don't log the event or return anything - just quietly exit.
+               if (!empty($queryString) && preg_match('/{[0-9]}/', $queryString) !== 0) {
+                       System::exit();
+               }
+
+               if (!empty($queryString) && ($queryString === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
+                       $this->logger->info('index.php: dreamhost_error_hack invoked.', ['Original URI' => $this->server['REQUEST_URI']]);
+                       $this->baseUrl->redirect($this->server['REQUEST_URI']);
+               }
+
+               $this->logger->debug('index.php: page not found.', [
+                       'request_uri' => $this->server['REQUEST_URI'],
+                       'address'     => $this->remoteAddress,
+                       'query'       => $this->server['QUERY_STRING']
+               ]);
+
+               return parent::run($httpException, $request);
        }
 }