From 9efa95ea9b51cec0a12502455e9c27e64e3aae14 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Mon, 27 Feb 2012 07:12:41 -0500
Subject: [PATCH] Better manual upgrading instructions: rsync plugins and skins to keep manually installed stuff

---
 program/lib/washtml.php |   16 ++++++++++++----
 1 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/program/lib/washtml.php b/program/lib/washtml.php
index 9292aa1..04a65c7 100644
--- a/program/lib/washtml.php
+++ b/program/lib/washtml.php
@@ -108,7 +108,7 @@
 
   /* Block elements which could be empty but cannot be returned in short form (<tag />) */
   static $block_elements = array('div', 'p', 'pre', 'blockquote', 'a', 'font', 'center',
-    'table', 'ul', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'dl', 'strong', 'i', 'b');
+    'table', 'ul', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'dl', 'strong', 'i', 'b', 'u');
 
   /* State for linked objects in HTML */
   public $extlinks = false;
@@ -168,7 +168,7 @@
                 || ($src = $this->config['cid_map'][$this->config['base_url'].$match[2]])) {
               $value .= ' url('.htmlspecialchars($src, ENT_QUOTES) . ')';
             }
-            else if (preg_match('/^(http|https|ftp):.*$/i', $match[2], $url)) {
+            else if (preg_match('!^(https?:)?//[a-z0-9/._+-]+$!i', $match[2], $url)) {
               if ($this->config['allow_remote'])
                 $value .= ' url('.htmlspecialchars($url[0], ENT_QUOTES).')';
               else
@@ -199,7 +199,7 @@
       $key = strtolower($key);
       $value = $node->getAttribute($key);
       if (isset($this->_html_attribs[$key]) ||
-         ($key == 'href' && preg_match('/^(http:|https:|ftp:|mailto:|#).+/i', $value)))
+         ($key == 'href' && preg_match('!^(http:|https:|ftp:|mailto:|//|#).+!i', $value)))
         $t .= ' ' . $key . '="' . htmlspecialchars($value, ENT_QUOTES) . '"';
       else if ($key == 'style' && ($style = $this->wash_style($value))) {
         $quot = strpos($style, '"') !== false ? "'" : '"';
@@ -243,7 +243,7 @@
       case XML_ELEMENT_NODE: //Check element
         $tagName = strtolower($node->tagName);
         if ($callback = $this->handlers[$tagName]) {
-          $dump .= call_user_func($callback, $tagName, $this->wash_attribs($node), $this->dumpHtml($node));
+          $dump .= call_user_func($callback, $tagName, $this->wash_attribs($node), $this->dumpHtml($node), $this);
         }
         else if (isset($this->_html_elements[$tagName])) {
           $content = $this->dumpHtml($node);
@@ -301,6 +301,14 @@
     return $this->dumpHtml($node);
   }
 
+  /**
+   * Getter for config parameters
+   */
+  public function get_config($prop)
+  {
+      return $this->config[$prop];
+  }
+
 }
 
 ?>

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