From fd08b50a80c3aed25f9e2a19cbfe9fb3ad35cf1f Mon Sep 17 00:00:00 2001
From: ArthurHoaro <arthur@hoa.ro>
Date: Tue, 7 Nov 2017 20:23:58 +0100
Subject: [PATCH] Don't URL encode description links if parameter
 'redirector.encode_url' is set to false

---
 application/FeedBuilder.php |  2 +-
 application/LinkUtils.php   | 15 +++++++++------
 index.php                   | 18 +++++++++++++++---
 tests/LinkUtilsTest.php     | 15 +++++++++++++++
 4 files changed, 40 insertions(+), 10 deletions(-)

diff --git a/application/FeedBuilder.php b/application/FeedBuilder.php
index 3cfaafb4..ebae18b4 100644
--- a/application/FeedBuilder.php
+++ b/application/FeedBuilder.php
@@ -152,7 +152,7 @@ protected function buildItem($link, $pageaddr)
         } else {
             $permalink = '<a href="'. $link['guid'] .'" title="'. t('Permalink') .'">'. t('Permalink') .'</a>';
         }
-        $link['description']  = format_description($link['description'], '', $pageaddr);
+        $link['description']  = format_description($link['description'], '', false, $pageaddr);
         $link['description'] .= PHP_EOL .'<br>&#8212; '. $permalink;
 
         $pubDate = $link['created'];
diff --git a/application/LinkUtils.php b/application/LinkUtils.php
index 267e62cd..e3d95d08 100644
--- a/application/LinkUtils.php
+++ b/application/LinkUtils.php
@@ -102,12 +102,13 @@ function count_private($links)
  *
  * @param string $text       input string.
  * @param string $redirector if a redirector is set, use it to gerenate links.
+ * @param bool   $urlEncode  Use `urlencode()` on the URL after the redirector or not.
  *
  * @return string returns $text with all links converted to HTML links.
  *
  * @see Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722
  */
-function text2clickable($text, $redirector = '')
+function text2clickable($text, $redirector = '', $urlEncode = true)
 {
     $regex = '!(((?:https?|ftp|file)://|apt:|magnet:)\S+[a-z0-9\(\)]/?)!si';
 
@@ -117,8 +118,9 @@ function text2clickable($text, $redirector = '')
     // Redirector is set, urlencode the final URL.
     return preg_replace_callback(
         $regex,
-        function ($matches) use ($redirector) {
-            return '<a href="' . $redirector . urlencode($matches[1]) .'">'. $matches[1] .'</a>';
+        function ($matches) use ($redirector, $urlEncode) {
+            $url = $urlEncode ? urlencode($matches[1]) : $matches[1];
+            return '<a href="' . $redirector . $url .'">'. $matches[1] .'</a>';
         },
         $text
     );
@@ -164,12 +166,13 @@ function space2nbsp($text)
  *
  * @param string $description shaare's description.
  * @param string $redirector  if a redirector is set, use it to gerenate links.
+ * @param bool   $urlEncode  Use `urlencode()` on the URL after the redirector or not.
  * @param string $indexUrl    URL to Shaarli's index.
- *
+
  * @return string formatted description.
  */
-function format_description($description, $redirector = '', $indexUrl = '') {
-    return nl2br(space2nbsp(hashtag_autolink(text2clickable($description, $redirector), $indexUrl)));
+function format_description($description, $redirector = '', $urlEncode = true, $indexUrl = '') {
+    return nl2br(space2nbsp(hashtag_autolink(text2clickable($description, $redirector, $urlEncode), $indexUrl)));
 }
 
 /**
diff --git a/index.php b/index.php
index e1516d37..9d5f25ea 100644
--- a/index.php
+++ b/index.php
@@ -526,7 +526,11 @@ function showDailyRSS($conf) {
 
         // We pre-format some fields for proper output.
         foreach ($links as &$link) {
-            $link['formatedDescription'] = format_description($link['description'], $conf->get('redirector.url'));
+            $link['formatedDescription'] = format_description(
+                $link['description'],
+                $conf->get('redirector.url'),
+                $conf->get('redirector.encode_url')
+            );
             $link['thumbnail'] = thumbnail($conf, $link['url']);
             $link['timestamp'] = $link['created']->getTimestamp();
             if (startsWith($link['url'], '?')) {
@@ -598,7 +602,11 @@ function showDaily($pageBuilder, $LINKSDB, $conf, $pluginManager)
         $taglist = explode(' ',$link['tags']);
         uasort($taglist, 'strcasecmp');
         $linksToDisplay[$key]['taglist']=$taglist;
-        $linksToDisplay[$key]['formatedDescription'] = format_description($link['description'], $conf->get('redirector.url'));
+        $linksToDisplay[$key]['formatedDescription'] = format_description(
+            $link['description'],
+            $conf->get('redirector.url'),
+            $conf->get('redirector.encode_url')
+        );
         $linksToDisplay[$key]['thumbnail'] = thumbnail($conf, $link['url']);
         $linksToDisplay[$key]['timestamp'] =  $link['created']->getTimestamp();
     }
@@ -1688,7 +1696,11 @@ function buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager)
     while ($i<$end && $i<count($keys))
     {
         $link = $linksToDisplay[$keys[$i]];
-        $link['description'] = format_description($link['description'], $conf->get('redirector.url'));
+        $link['description'] = format_description(
+            $link['description'],
+            $conf->get('redirector.url'),
+            $conf->get('redirector.encode_url')
+        );
         $classLi =  ($i % 2) != 0 ? '' : 'publicLinkHightLight';
         $link['class'] = $link['private'] == 0 ? $classLi : 'private';
         $link['timestamp'] = $link['created']->getTimestamp();
diff --git a/tests/LinkUtilsTest.php b/tests/LinkUtilsTest.php
index c77922ec..99679320 100644
--- a/tests/LinkUtilsTest.php
+++ b/tests/LinkUtilsTest.php
@@ -130,6 +130,21 @@ public function testText2clickableWithRedirector()
         $this->assertEquals($expectedText, $processedText);
     }
 
+    /**
+     * Test text2clickable a redirector set and without URL encode.
+     */
+    public function testText2clickableWithRedirectorDontEncode()
+    {
+        $text = 'stuff http://hello.there/?is=someone&or=something#here otherstuff';
+        $redirector = 'http://redirector.to';
+        $expectedText = 'stuff <a href="'.
+            $redirector .
+            'http://hello.there/?is=someone&or=something#here' .
+            '">http://hello.there/?is=someone&or=something#here</a> otherstuff';
+        $processedText = text2clickable($text, $redirector, false);
+        $this->assertEquals($expectedText, $processedText);
+    }
+
     /**
      * Test testSpace2nbsp.
      */