1 files changed, 49 insertions, 0 deletions
diff --git a/www/wiki/includes/exception/BadTitleError.php b/www/wiki/includes/exception/BadTitleError.php
new file mode 100644
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+++ b/www/wiki/includes/exception/BadTitleError.php
@@ -0,0 +1,49 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Show an error page on a badtitle.
+ *
+ * Uses BadRequestError to emit a 400 HTTP error code to ensure caching proxies and
+ * mobile browsers know not to cache it as valid content. (T35646)
+ *
+ * @since 1.19
+ * @ingroup Exception
+ */
+class BadTitleError extends BadRequestError {
+	/**
+	 * @param string|Message|MalformedTitleException $msg A message key (default: 'badtitletext'), or
+	 *     a MalformedTitleException to figure out things from
+	 * @param array $params Parameter to wfMessage()
+	 */
+	public function __construct( $msg = 'badtitletext', $params = [] ) {
+		if ( $msg instanceof MalformedTitleException ) {
+			$errorMessage = $msg->getErrorMessage();
+			if ( !$errorMessage ) {
+				parent::__construct( 'badtitle', 'badtitletext', [] );
+			} else {
+				$errorMessageParams = $msg->getErrorMessageParameters();
+				parent::__construct( 'badtitle', $errorMessage, $errorMessageParams );
+			}
+		} else {
+			parent::__construct( 'badtitle', $msg, $params );
+		}
+	}
+}