From cb3e2fe0c2e36e0f41d93015fb1b604d195f9047 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 31 May 2013 09:42:22 -0400
Subject: [PATCH] Fix displaying messages with invalid self-closing HTML tags (#1489137)
---
CHANGELOG | 1 +
program/lib/Roundcube/rcube_washtml.php | 17 ++++++++---------
tests/Framework/Washtml.php | 13 +++++++++++++
3 files changed, 22 insertions(+), 9 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
index 012be67..1fdd371 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
CHANGELOG Roundcube Webmail
===========================
+- Fix displaying messages with invalid self-closing HTML tags (#1489137)
- Fix PHP warning when responding to a message with many Return-Path headers (#1489136)
- Added user preference to open all popups as standard windows
- Fix unintentional compose window resize (#1489114)
diff --git a/program/lib/Roundcube/rcube_washtml.php b/program/lib/Roundcube/rcube_washtml.php
index a11371c..6b2efcc 100644
--- a/program/lib/Roundcube/rcube_washtml.php
+++ b/program/lib/Roundcube/rcube_washtml.php
@@ -113,10 +113,9 @@
'type', 'rows', 'cols', 'disabled', 'readonly', 'checked', 'multiple', 'value'
);
- /* 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', 'u', 'span',
+ /* Elements which could be empty and be returned in short form (<tag />) */
+ static $void_elements = array('area', 'base', 'br', 'col', 'command', 'embed', 'hr',
+ 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'
);
/* State for linked objects in HTML */
@@ -134,8 +133,8 @@
/* Ignore these HTML tags but process their content */
private $_ignore_elements = array();
- /* Block elements which could be empty but cannot be returned in short form (<tag />) */
- private $_block_elements = array();
+ /* Elements which could be empty and be returned in short form (<tag />) */
+ private $_void_elements = array();
/* Allowed HTML attributes */
private $_html_attribs = array();
@@ -152,9 +151,9 @@
$this->_html_elements = array_flip((array)$p['html_elements']) + array_flip(self::$html_elements) ;
$this->_html_attribs = array_flip((array)$p['html_attribs']) + array_flip(self::$html_attribs);
$this->_ignore_elements = array_flip((array)$p['ignore_elements']) + array_flip(self::$ignore_elements);
- $this->_block_elements = array_flip((array)$p['block_elements']) + array_flip(self::$block_elements);
+ $this->_void_elements = array_flip((array)$p['void_elements']) + array_flip(self::$void_elements);
- unset($p['html_elements'], $p['html_attribs'], $p['ignore_elements'], $p['block_elements']);
+ unset($p['html_elements'], $p['html_attribs'], $p['ignore_elements'], $p['void_elements']);
$this->config = $p + array('show_washed' => true, 'allow_remote' => false, 'cid_map' => array());
}
@@ -321,7 +320,7 @@
else if (isset($this->_html_elements[$tagName])) {
$content = $this->dumpHtml($node, $level);
$dump .= '<' . $tagName . $this->wash_attribs($node) .
- ($content != '' || isset($this->_block_elements[$tagName]) ? ">$content</$tagName>" : ' />');
+ ($content === '' && isset($this->_void_elements[$tagName]) ? ' />' : ">$content</$tagName>");
}
else if (isset($this->_ignore_elements[$tagName])) {
$dump .= '<!-- ' . htmlspecialchars($tagName, ENT_QUOTES) . ' not allowed -->';
diff --git a/tests/Framework/Washtml.php b/tests/Framework/Washtml.php
index 526b933..cb72343 100644
--- a/tests/Framework/Washtml.php
+++ b/tests/Framework/Washtml.php
@@ -55,4 +55,17 @@
$this->assertEquals('<!-- html ignored --><!-- body ignored --><p>test</p>', $washed, "HTML invalid comments (#1487759)");
}
+ /**
+ * Test fixing of invalid self-closing elements (#1489137)
+ */
+ function test_self_closing()
+ {
+ $html = "<textarea>test";
+
+ $washer = new rcube_washtml;
+ $washed = $washer->wash($html);
+
+ $this->assertRegExp('|<textarea>test</textarea>|', $washed, "Self-closing textarea (#1489137)");
+ }
+
}
--
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