.

plugins/serendipity_event_xhtmlcleanup/lang_en.inc.php

@@ -12,5 +12,7 @@
 @define('PLUGIN_EVENT_XHTMLCLEANUP_XHTML_DESC', 'This plugin uses a XML parsing method to ensure XHTML validity of your code. This xml parsing may convert already valid entities to unescaped entities, so the plugin encodes all entities after the parsing. Set this flag to OFF if that introduces double encoding for you!');
 @define('PLUGIN_EVENT_XHTMLCLEANUP_UTF8', 'Cleanup UTF-8 entities?');
 @define('PLUGIN_EVENT_XHTMLCLEANUP_UTF8_DESC', 'If enabled, HTML entities derived from UTF-8 characters will be properly converted and not double-encoded in your output.');
+@define('PLUGIN_EVENT_XHTMLCLEANUP_YOUTUBE', 'Cleanup Youtube player code?');
+@define('PLUGIN_EVENT_XHTMLCLEANUP_YOUTUBE_DESC', 'If enabled, the by default XHTML invalid youtube object tags will get stripped of the embed part. Browser will still properly playback the video.');
 
 ?>

plugins/serendipity_event_xhtmlcleanup/serendipity_event_xhtmlcleanup.php

@@ -71,6 +71,7 @@ class serendipity_event_xhtmlcleanup extends serendipity_event
         }
         $conf_array[] = 'xhtml_parse';
         $conf_array[] = 'utf8_parse';
+        $conf_array[] = 'youtube';
         $propbag->add('configuration', $conf_array);
     }
 
@@ -99,6 +100,11 @@ class serendipity_event_xhtmlcleanup extends serendipity_event
             $propbag->add('name',        PLUGIN_EVENT_XHTMLCLEANUP_XHTML);
             $propbag->add('description', PLUGIN_EVENT_XHTMLCLEANUP_XHTML_DESC);
             $propbag->add('default',     'true');
+        } elseif ($name == 'youtube') {
+            $propbag->add('type',        'boolean');
+            $propbag->add('name',        PLUGIN_EVENT_XHTMLCLEANUP_YOUTUBE);
+            $propbag->add('description', PLUGIN_EVENT_XHTMLCLEANUP_YOUTUBE_DESC);
+            $propbag->add('default',     'true');
         } else {
             $propbag->add('type',        'boolean');
             $propbag->add('name',        constant($name));
@@ -122,6 +128,11 @@ class serendipity_event_xhtmlcleanup extends serendipity_event
             'title',
             'author',
         );
+        static $youtube = null;
+        if ($youtube === null) {
+            $youtube = serendipity_db_bool($this->get_config('youtube'));
+        }
+
         $hooks = &$bag->get('event_hooks');
 
         if (isset($hooks[$event])) {
@@ -149,6 +160,10 @@ class serendipity_event_xhtmlcleanup extends serendipity_event
                             $eventData[$element]    = xhtml_cleanup($eventData[$element]);
                             $eventData[$element]    = preg_replace_callback('@(<img.+/?>)@imsU', array($this, 'clean_tag'), $eventData[$element]);
                             $eventData[$element]    = preg_replace_callback("@<(a|iframe|param)(.*)(href|src|value)=(\"|')([^\"']+)(\"|')@isUm", array($this, 'clean_htmlspecialchars'), $eventData[$element]);
+
+                            if ($youtube) {
+                                $this->youtubify($eventData[$element]);
+                            }
                         }
                     }
 
@@ -178,6 +193,38 @@ class serendipity_event_xhtmlcleanup extends serendipity_event
         }
     }
 
+    function youtubify(&$text) {
+        $text = preg_replace_callback('@<object(.*)>(.*)</object>@imsU', array($this, 'youtubify_regex'), $text);
+    }
+    
+    function youtubify_regex($matches) {
+        if (!preg_match('@<embed@i', $matches[2])) return $matches[0];
+
+        preg_match('@width=["\']?([0-9]+)@ims', $matches[1], $m);
+        $width = $m[1];
+
+        preg_match('@height=["\']?([0-9]+)@ims', $matches[1], $m);
+        $height = $m[1];
+
+        preg_match('@<param name="movie" value="(.+)"[\s/]*?>@imsU', $matches[2], $m);
+        $movie = $m[1];
+        
+        if (empty($movie)) {
+            preg_match('@<param value="(.+)" name="movie"[\s/]*?>@imsU', $matches[2], $m);
+            $movie = $m[1];
+        }
+
+        $appendix = preg_replace('@<embed.*>@imsU', '', $matches[2]);
+        $appendix = str_replace('</embed>', '', $appendix);
+
+        $out = '<!-- xhtml clean youtube --><object type="application/x-shockwave-flash" width="' . $width . '" height="' . $height . '" data="' . $movie . '">'
+             . '<param name="movie" value="' . $movie . '" />' 
+             . $appendix . '</object><!-- /xhtml clean youtube -->';
+        $out .= "\n\n<!-- {$matches[0]} -->\n\n";
+
+        return $out;
+    }
+
     // Takes an input tag and search for ommitted attributes. Expects a single tag (array, index 0)
     function clean_tag($data) {
         // Restore tags from preg_replace_callback buffer, as those can't be passed in the function header