1 files changed, 79 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialGoToInterwiki.php b/www/wiki/includes/specials/SpecialGoToInterwiki.php
new file mode 100644
index 00000000..809a14aa
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+++ b/www/wiki/includes/specials/SpecialGoToInterwiki.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * Implements Special:GoToInterwiki
+ *
+ * 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
+ */
+
+/**
+ * Landing page for non-local interwiki links.
+ *
+ * Meant to warn people that the site they're visiting
+ * is not the local wiki (In case of phishing tricks).
+ * Only meant to be used for things that directly
+ * redirect from url (e.g. Special:Search/google:foo )
+ * Not meant for general interwiki linking (e.g.
+ * [[google:foo]] should still directly link)
+ *
+ * @ingroup SpecialPage
+ */
+class SpecialGoToInterwiki extends UnlistedSpecialPage {
+	public function __construct( $name = 'GoToInterwiki' ) {
+		parent::__construct( $name );
+	}
+
+	public function execute( $par ) {
+		$this->setHeaders();
+		$target = Title::newFromText( $par );
+		// Disallow special pages as a precaution against
+		// possible redirect loops.
+		if ( !$target || $target->isSpecialPage() ) {
+			$this->getOutput()->setStatusCode( 404 );
+			$this->getOutput()->addWikiMsg( 'gotointerwiki-invalid' );
+			return;
+		}
+
+		$url = $target->getFullURL();
+		if ( !$target->isExternal() || $target->isLocal() ) {
+			// Either a normal page, or a local interwiki.
+			// just redirect.
+			$this->getOutput()->redirect( $url, '301' );
+		} else {
+			$this->getOutput()->addWikiMsg(
+				'gotointerwiki-external',
+				$url,
+				$target->getFullText()
+			);
+		}
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function requiresWrite() {
+		return false;
+	}
+
+	/**
+	 * @return String
+	 */
+	protected function getGroupName() {
+		return 'redirects';
+	}
+}