fix(dav): Always respond custom error page on exceptions

Signed-off-by: Louis Chemineau <louis@chmn.me>

1 files changed, 47 insertions, 0 deletions

diff --git a/core/templates/xml_exception.php b/core/templates/xml_exception.php
new file mode 100644
index 00000000000..d7fb276a730
--- /dev/null
+++ b/core/templates/xml_exception.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2012-2015 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+function print_exception(Throwable $e, \OCP\IL10N $l): void {
+	p($e->getTraceAsString());
+
+	if ($e->getPrevious() !== null) {
+		print_unescaped('<s:previous-exception>');
+		print_exception($e->getPrevious(), $l);
+		print_unescaped('</s:previous-exception>');
+	}
+}
+
+?>
+<?xml version="1.0" encoding="utf-8"?>
+<d:error xmlns:d="DAV:" xmlns:s="http://sabredav.org/ns">
+	<s:exception><?php p($l->t('Internal Server Error')) ?></s:exception>
+	<s:message>
+		<?php p($l->t('The server was unable to complete your request.')) ?>
+		<?php p($l->t('If this happens again, please send the technical details below to the server administrator.')) ?>
+		<?php p($l->t('More details can be found in the server log.')) ?>
+		<?php if (isset($_['serverLogsDocumentation']) && $_['serverLogsDocumentation'] !== ''): ?>
+			<?php p($l->t('For more details see the documentation ↗.'))?>: <?php print_unescaped($_['serverLogsDocumentation']) ?>
+		<?php endif; ?>
+	</s:message>
+
+	<s:technical-details>
+		<s:remote-address><?php p($_['remoteAddr']) ?></s:remote-address>
+		<s:request-id><?php p($_['requestID']) ?></s:request-id>
+
+	<?php if (isset($_['debugMode']) && $_['debugMode'] === true): ?>
+		<s:type><?php p($_['errorClass']) ?></s:type>
+		<s:code><?php p($_['errorCode']) ?></s:code>
+		<s:message><?php p($_['errorMsg']) ?></s:message>
+		<s:file><?php p($_['file']) ?></s:file>
+		<s:line><?php p($_['line']) ?></s:line>
+
+		<s:stacktrace>
+			<?php print_exception($_['exception'], $l); ?>
+		</s:stacktrace>
+	<?php endif; ?>
+	</s:technical-details>
+</d:error>