From 1efc1c94df8753a4821ad12e7c14137c68c69891 Mon Sep 17 00:00:00 2001
From: n-peugnet <n.peugnet@free.fr>
Date: Mon, 23 Mar 2020 10:05:15 +0100
Subject: fix links rewrting in code blocks

---
 app/class/Modelrender.php | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'app/class')

diff --git a/app/class/Modelrender.php b/app/class/Modelrender.php
index 2338eb4..c3103b6 100644
--- a/app/class/Modelrender.php
+++ b/app/class/Modelrender.php
@@ -347,7 +347,9 @@ class Modelrender extends Modelpage
 		$text = $this->desctitle($text, $this->page->description(), $this->page->title());
 
 
-		$text = str_replace('href="http', ' class="external" target="_blank" href="http', $text);
+		$text = str_replace('href="http', "class=\"external\" $this->externallinkblank href=\"http", $text);
+
+		$text = $this->shortenurl($text);
 
 		$text = $this->autourl($text);
 
@@ -365,10 +367,25 @@ class Modelrender extends Modelpage
 		return $text;
 	}
 
+	/**
+	 * Shorten the urls of links whose content equals the href.
+	 *
+	 * @param string $text the page text as html
+	 */
+	public function shortenurl(string $text): string
+	{
+		$text = preg_replace('#<a(.*href="(https?:\/\/(.+))".*)>\2</a>#', "<a$1>$3</a>", $text);
+		return $text;
+	}
+
 
 	public function autourl($text)
 	{
-		$text = preg_replace('#( |\R|>)(https?:\/\/((\S+)\.([^< ]+)))#', '$1<a href="$2" class="external" '. $this->externallinkblank .'>$3</a>', $text);
+		$text = preg_replace(
+			'#( |\R|(>)|(&lt;))(https?:\/\/(\S+\.[^< ]+))(((?(3)&gt;|))(?(2)</[^a]|))#',
+			"$1<a href=\"$4\" class=\"external\" $this->externallinkblank>$4</a>$6",
+			$text
+		);
 		return $text;
 	}
 
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