From 1416f0513bbb7bda196942d6f821db6f0514f7ff Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Tue, 11 Oct 2016 12:44:29 +0200
Subject: [PATCH] Fixed missing output handling of links

---
 .../output/node/HtmlOutputNodeA.class.php     | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeA.class.php

diff --git a/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeA.class.php b/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeA.class.php
new file mode 100644
index 0000000000..db91ebd6d3
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeA.class.php
@@ -0,0 +1,69 @@
+<?php
+namespace wcf\system\html\output\node;
+use wcf\system\application\ApplicationHandler;
+use wcf\system\html\node\AbstractHtmlNodeProcessor;
+use wcf\system\request\RouteHandler;
+use wcf\util\DOMUtil;
+use wcf\util\StringUtil;
+
+/**
+ * Processes links.
+ * 
+ * @author      Alexander Ebert
+ * @copyright   2001-2016 WoltLab GmbH
+ * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package     WoltLabSuite\Core\System\Html\Output\Node
+ * @since       3.0
+ */
+class HtmlOutputNodeA extends AbstractHtmlOutputNode {
+	/**
+	 * @inheritDoc
+	 */
+	protected $tagName = 'a';
+	
+	/**
+	 * @inheritDoc
+	 */
+	public function process(array $elements, AbstractHtmlNodeProcessor $htmlNodeProcessor) {
+		/** @var \DOMElement $element */
+		foreach ($elements as $element) {
+			$href = $element->getAttribute('href');
+			if (ApplicationHandler::getInstance()->isInternalURL($href)) {
+				$element->setAttribute('href', preg_replace('~^https?://~', RouteHandler::getProtocol(), $href));
+			}
+			else {
+				$element->setAttribute('class', 'externalURL');
+				
+				$rel = '';
+				if (EXTERNAL_LINK_REL_NOFOLLOW) {
+					$rel = 'nofollow';
+				}
+				
+				if (EXTERNAL_LINK_TARGET_BLANK) {
+					if (!empty($rel)) $rel .= ' ';
+					
+					$rel .= 'noopener noreferrer';
+					
+					$element->setAttribute('target', '_blank');
+				}
+				
+				if (!empty($rel)) {
+					$element->setAttribute('rel', $rel);
+				}
+			}
+			
+			$value = StringUtil::trim($element->textContent);
+			if (!empty($value) && $value === $href && mb_strlen($value) > 60) {
+				while ($element->childNodes->length) {
+					DOMUtil::removeNode($element->childNodes->item(0));
+				}
+				
+				$element->appendChild(
+					$element->ownerDocument->createTextNode(
+						mb_substr($value, 0, 30) . StringUtil::HELLIP . mb_substr($value, -25)
+					)
+				);
+			}
+		}
+	}
+}
-- 
2.20.1