Merge pull request #481 from wallabag/dev1.5.2

1.5.2

1 files changed, 65 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/Filter/YouTube.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/Filter/YouTube.php
new file mode 100644
index 00000000..9200802a
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/Filter/YouTube.php
@@ -0,0 +1,65 @@
+<?php

+

+class HTMLPurifier_Filter_YouTube extends HTMLPurifier_Filter

+{

+

+    /**

+     * @type string

+     */

+    public $name = 'YouTube';

+

+    /**

+     * @param string $html

+     * @param HTMLPurifier_Config $config

+     * @param HTMLPurifier_Context $context

+     * @return string

+     */

+    public function preFilter($html, $config, $context)

+    {

+        $pre_regex = '#<object[^>]+>.+?' .

+            'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s';

+        $pre_replace = '<span class="youtube-embed">\1</span>';

+        return preg_replace($pre_regex, $pre_replace, $html);

+    }

+

+    /**

+     * @param string $html

+     * @param HTMLPurifier_Config $config

+     * @param HTMLPurifier_Context $context

+     * @return string

+     */

+    public function postFilter($html, $config, $context)

+    {

+        $post_regex = '#<span class="youtube-embed">((?:v|cp)/[A-Za-z0-9\-_=]+)</span>#';

+        return preg_replace_callback($post_regex, array($this, 'postFilterCallback'), $html);

+    }

+

+    /**

+     * @param $url

+     * @return string

+     */

+    protected function armorUrl($url)

+    {

+        return str_replace('--', '-&#45;', $url);

+    }

+

+    /**

+     * @param array $matches

+     * @return string

+     */

+    protected function postFilterCallback($matches)

+    {

+        $url = $this->armorUrl($matches[1]);

+        return '<object width="425" height="350" type="application/x-shockwave-flash" ' .

+        'data="http://www.youtube.com/' . $url . '">' .

+        '<param name="movie" value="http://www.youtube.com/' . $url . '"></param>' .

+        '<!--[if IE]>' .

+        '<embed src="http://www.youtube.com/' . $url . '"' .

+        'type="application/x-shockwave-flash"' .

+        'wmode="transparent" width="425" height="350" />' .

+        '<![endif]-->' .

+        '</object>';

+    }

+}

+

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