1 files changed, 82 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialPermanentLink.php b/www/wiki/includes/specials/SpecialPermanentLink.php
new file mode 100644
index 00000000..b1772b78
--- /dev/null
+++ b/www/wiki/includes/specials/SpecialPermanentLink.php
@@ -0,0 +1,82 @@
+<?php
+/**
+ * Redirect from Special:PermanentLink/### to index.php?oldid=###.
+ *
+ * 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
+ * @ingroup SpecialPage
+ */
+
+/**
+ * Redirect from Special:PermanentLink/### to index.php?oldid=###.
+ *
+ * @ingroup SpecialPage
+ */
+class SpecialPermanentLink extends RedirectSpecialPage {
+	public function __construct() {
+		parent::__construct( 'PermanentLink' );
+		$this->mAllowedRedirectParams = [];
+	}
+
+	/**
+	 * @param string|null $subpage
+	 * @return Title|bool
+	 */
+	public function getRedirect( $subpage ) {
+		$subpage = intval( $subpage );
+		if ( $subpage === 0 ) {
+			return false;
+		}
+		$this->mAddedRedirectParams['oldid'] = $subpage;
+
+		return true;
+	}
+
+	protected function showNoRedirectPage() {
+		$this->setHeaders();
+		$this->outputHeader();
+		$this->showForm();
+	}
+
+	private function showForm() {
+		$form = HTMLForm::factory( 'ooui', [
+			'revid' => [
+				'type' => 'int',
+				'name' => 'revid',
+				'label-message' => 'permanentlink-revid',
+			],
+		], $this->getContext(), 'permanentlink' );
+		$form->setSubmitTextMsg( 'permanentlink-submit' );
+		$form->setSubmitCallback( [ $this, 'onFormSubmit' ] );
+		$form->show();
+	}
+
+	public function onFormSubmit( $formData ) {
+		$revid = $formData['revid'];
+		$title = $this->getPageTitle( $revid ?: null );
+		$url = $title->getFullUrlForRedirect();
+		$this->getOutput()->redirect( $url );
+	}
+
+	public function isListed() {
+		return true;
+	}
+
+	protected function getGroupName() {
+		return 'redirects';
+	}
+}