use core templates for displaying dav errors in the browser

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

apps/dav/lib/Files/BrowserErrorPagePlugin.php

@@ -81,7 +81,7 @@ class BrowserErrorPagePlugin extends ServerPlugin {
 		}
 		$this->server->httpResponse->addHeaders($headers);
 		$this->server->httpResponse->setStatus($httpCode);
-		$body = $this->generateBody();
+		$body = $this->generateBody($httpCode);
 		$this->server->httpResponse->setBody($body);
 		$csp = new ContentSecurityPolicy();
 		$this->server->httpResponse->addHeader('Content-Security-Policy', $csp->buildPolicy());
@@ -92,9 +92,15 @@ class BrowserErrorPagePlugin extends ServerPlugin {
 	 * @codeCoverageIgnore
 	 * @return bool|string
 	 */
-	public function generateBody() {
+	public function generateBody(int $httpCode) {
 		$request = \OC::$server->getRequest();
-		$content = new OC_Template('dav', 'exception', 'guest');
+
+		$templateName = 'exception';
+		if($httpCode === 403 || $httpCode === 404) {
+			$templateName = (string)$httpCode;
+		}
+
+		$content = new OC_Template('core', $templateName, 'guest');
 		$content->assign('title', $this->server->httpResponse->getStatusText());
 		$content->assign('remoteAddr', $request->getRemoteAddress());
 		$content->assign('requestID', $request->getId());

apps/dav/templates/exception.php

@@ -1,33 +0,0 @@
-<?php
-/**
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- *
- * @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 <http://www.gnu.org/licenses/>.
- *
- */
-style('core', ['styles', 'header']);
-
-/** @param $_ array */
-?>
-<div class="body-login-container update">
-	<h2><?php p($_['title']) ?></h2>
-
-	<h3><strong><?php p($l->t('Technical details')) ?></strong></h3>
-	<ul class="infogroup">
-		<li><?php p($l->t('Remote Address: %s', $_['remoteAddr'])) ?></li>
-		<li><?php p($l->t('Request ID: %s', $_['requestID'])) ?></li>
-	</ul>
-</div>