Merge pull request #481 from wallabag/dev1.5.2

1.5.2

1 files changed, 59 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/Linkify.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/Linkify.php
new file mode 100644
index 00000000..5eed3c12
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/Linkify.php
@@ -0,0 +1,59 @@
+<?php

+

+/**

+ * Injector that converts http, https and ftp text URLs to actual links.

+ */

+class HTMLPurifier_Injector_Linkify extends HTMLPurifier_Injector

+{

+    /**

+     * @type string

+     */

+    public $name = 'Linkify';

+

+    /**

+     * @type array

+     */

+    public $needed = array('a' => array('href'));

+

+    /**

+     * @param HTMLPurifier_Token $token

+     */

+    public function handleText(&$token)

+    {

+        if (!$this->allowsElement('a')) {

+            return;

+        }

+

+        if (strpos($token->data, '://') === false) {

+            // our really quick heuristic failed, abort

+            // this may not work so well if we want to match things like

+            // "google.com", but then again, most people don't

+            return;

+        }

+

+        // there is/are URL(s). Let's split the string:

+        // Note: this regex is extremely permissive

+        $bits = preg_split('#((?:https?|ftp)://[^\s\'",<>()]+)#Su', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);

+

+

+        $token = array();

+

+        // $i = index

+        // $c = count

+        // $l = is link

+        for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) {

+            if (!$l) {

+                if ($bits[$i] === '') {

+                    continue;

+                }

+                $token[] = new HTMLPurifier_Token_Text($bits[$i]);

+            } else {

+                $token[] = new HTMLPurifier_Token_Start('a', array('href' => $bits[$i]));

+                $token[] = new HTMLPurifier_Token_Text($bits[$i]);

+                $token[] = new HTMLPurifier_Token_End('a');

+            }

+        }

+    }

+}

+

+// vim: et sw=4 sts=4