From 63d4b1217216f3d04894090026ed3f01aba9b385 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Mon, 2 Mar 2009 14:46:12 +0000
Subject: Create some basic unit tests based in simpletest.org

---
 tests/mailfunc.php      | 110 ++++++++++++++++++++++++++++++++++++++++++++++++
 tests/modcss.php        |  45 ++++++++++++++++++++
 tests/runtests.sh       |  53 +++++++++++++++++++++++
 tests/src/BID-26800.txt |  52 +++++++++++++++++++++++
 tests/src/htmlbody.txt  |  50 ++++++++++++++++++++++
 tests/src/htmlxss.txt   |  22 ++++++++++
 tests/src/plainbody.txt |  37 ++++++++++++++++
 tests/src/valid.css     |  30 +++++++++++++
 8 files changed, 399 insertions(+)
 create mode 100644 tests/mailfunc.php
 create mode 100644 tests/modcss.php
 create mode 100755 tests/runtests.sh
 create mode 100644 tests/src/BID-26800.txt
 create mode 100644 tests/src/htmlbody.txt
 create mode 100644 tests/src/htmlxss.txt
 create mode 100644 tests/src/plainbody.txt
 create mode 100644 tests/src/valid.css

diff --git a/tests/mailfunc.php b/tests/mailfunc.php
new file mode 100644
index 000000000..bf9163b7d
--- /dev/null
+++ b/tests/mailfunc.php
@@ -0,0 +1,110 @@
+<?php
+
+/**
+ * Test class to test steps/mail/func.inc functions
+ *
+ * @package Tests
+ */
+class rcube_test_mailfunc extends UnitTestCase
+{
+
+  function __construct()
+  {
+    $this->UnitTestCase('Mail body rendering tests');
+    
+    // simulate environment to successfully include func.inc
+    $GLOBALS['RCMAIL'] = $RCMAIL = rcmail::get_instance();
+    $GLOBALS['OUTPUT'] = $OUTPUT = $RCMAIL->load_gui();
+    $RCMAIL->action = 'spell';
+    $IMAP = $RCMAIL->imap;
+    
+    require_once 'steps/mail/func.inc';
+  }
+
+  /**
+   * Helper method to create a HTML message part object
+   */
+  function get_html_part($body)
+  {
+    $part = new rcube_message_part;
+    $part->ctype_primary = 'text';
+    $part->ctype_secondary = 'html';
+    $part->body = file_get_contents(TESTS_DIR . $body);
+    $part->replaces = array();
+    return $part;
+  }
+
+  /**
+   * Test sanitization of a "normal" html message
+   */
+  function test_html()
+  {
+    $part = $this->get_html_part('src/htmlbody.txt');
+    $part->replaces = array('ex1.jpg' => 'part_1.2.jpg', 'ex2.jpg' => 'part_1.2.jpg');
+    
+    // render HTML in normal mode
+    $html = rcmail_print_body($part, array('safe' => false));
+
+    $this->assertPattern('/src="'.$part->replaces['ex1.jpg'].'"/', $html, "Replace reference to inline image");
+    $this->assertPattern('#background="./program/blocked.gif"#', $html, "Replace external background image");
+    $this->assertNoPattern('/ex3.jpg/', $html, "No references to external images");
+    $this->assertNoPattern('/<meta [^>]+>/', $html, "No meta tags allowed");
+    $this->assertNoPattern('/<style [^>]+>/', $html, "No style tags allowed");
+    $this->assertNoPattern('/<form [^>]+>/', $html, "No form tags allowed");
+    $this->assertPattern('/Subscription form/', $html, "Include <form> contents");
+    $this->assertPattern('/<!-- input not allowed -->/', $html, "No input elements allowed");
+    $this->assertPattern('/<a[^>]+ target="_blank">/', $html, "Set target to _blank");
+    $this->assertTrue($GLOBALS['REMOTE_OBJECTS'], "Remote object detected");
+    
+    // render HTML in safe mode
+    $html2 = rcmail_print_body($part, array('safe' => true));
+    
+    $this->assertPattern('/<style [^>]+>/', $html2, "Allow styles in safe mode");
+    $this->assertPattern('#src="http://evilsite.net/mailings/ex3.jpg"#', $html2, "Allow external images in HTML (safe mode)");
+    $this->assertPattern("#url\('http://evilsite.net/newsletter/image/bg/bg-64.jpg'\)#", $html2, "Allow external images in CSS (safe mode)");
+  }
+
+  /**
+   * Test the elimination of some trivial XSS vulnerabilities
+   */
+  function test_html_xss()
+  {
+    $part = $this->get_html_part('src/htmlxss.txt');
+    $washed = rcmail_print_body($part, array('safe' => true));
+
+    $this->assertNoPattern('/src="skins/', $washed, "Remove local references");
+    $this->assertNoPattern('/\son[a-z]+/', $wahsed, "Remove on* attributes");
+    $this->assertNoPattern('/alert/', $wahsed, "Remove alerts");
+  }
+
+  /**
+   * Test HTML sanitization to fix the CSS Expression Input Validation Vulnerability
+   * reported at http://www.securityfocus.com/bid/26800/
+   */
+  function test_html_xss2()
+  {
+    $part = $this->get_html_part('src/BID-26800.txt');
+    $washed = rcmail_print_body($part, array('safe' => true));
+
+    $this->assertNoPattern('/alert|expression|javascript|xss/', $washed, "Remove evil style blocks");
+    $this->assertNoPattern('/font-style:italic/', $washed, "Allow valid styles");
+  }
+
+  /**
+   * Test links pattern replacements in plaintext messages
+   */
+  function test_plaintext()
+  {
+    $part = new rcube_message_part;
+    $part->ctype_primary = 'text';
+    $part->ctype_secondary = 'plain';
+    $part->body = quoted_printable_decode(file_get_contents(TESTS_DIR . 'src/plainbody.txt'));
+    $html = rcmail_print_body($part, array('safe' => true));
+    
+    $this->assertPattern('/<a href="mailto:nobody@roundcube.net" onclick="return rcmail.command\(\'compose\',\'nobody@roundcube.net\',this\)">nobody@roundcube.net<\/a>/', $html, "Mailto links with onclick");
+    $this->assertPattern('#<a href="http://www.apple.com/legal/privacy/" target="_blank">http://www.apple.com/legal/privacy/</a>#', $html, "Links with target=_blank");
+  }
+
+}
+
+?>
\ No newline at end of file
diff --git a/tests/modcss.php b/tests/modcss.php
new file mode 100644
index 000000000..f9271ff65
--- /dev/null
+++ b/tests/modcss.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Test class to test rcmail_mod_css_styles and XSS vulnerabilites
+ *
+ * @package Tests
+ */
+class rcube_test_modcss extends UnitTestCase
+{
+
+  function __construct()
+  {
+    $this->UnitTestCase('CSS modification and vulnerability tests');
+  }
+  
+  function test_modcss()
+  {
+    $css = file_get_contents(TESTS_DIR . 'src/valid.css');
+    $mod = rcmail_mod_css_styles($css, 'rcmbody');
+
+    $this->assertPattern('/#rcmbody div.rcmBody\s+\{/', $mod, "Replace body style definition");
+    $this->assertPattern('/#rcmbody h1\s\{/', $mod, "Prefix tag styles (single)");
+    $this->assertPattern('/#rcmbody h1, #rcmbody h2, #rcmbody h3, #rcmbody textarea\s+\{/', $mod, "Prefix tag styles (multiple)");
+    $this->assertPattern('/#rcmbody \.noscript\s+\{/', $mod, "Prefix class styles");
+  }
+  
+  function test_xss()
+  {
+    $mod = rcmail_mod_css_styles("body.main2cols { background-image: url('../images/leftcol.png'); }", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "No url() values allowed");
+    
+    $mod = rcmail_mod_css_styles("@import url('http://localhost/somestuff/css/master.css');", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "No import statements");
+    
+    $mod = rcmail_mod_css_styles("left:expression(document.body.offsetWidth-20)", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "No expression properties");
+    
+    $mod = rcmail_mod_css_styles("left:exp/*  */ression( alert(&#039;xss3&#039;) )", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "Don't allow encoding quirks");
+    
+    $mod = rcmail_mod_css_styles("background:\\0075\\0072\\006c( javascript:alert(&#039;xss&#039;) )", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "Don't allow encoding quirks (2)");
+  }
+  
+}
\ No newline at end of file
diff --git a/tests/runtests.sh b/tests/runtests.sh
new file mode 100755
index 000000000..04a9a3745
--- /dev/null
+++ b/tests/runtests.sh
@@ -0,0 +1,53 @@
+#!/usr/bin/env php
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | tests/runtests.sh                                                     |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2009, RoundCube Dev. - Switzerland                      |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Run-script for unit tests based on http://simpletest.org            |
+ |   All .php files in this folder will be treated as tests              |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id:  $
+
+*/
+
+if (php_sapi_name() != 'cli')
+  die("Not in shell mode (php-cli)");
+
+if (!defined('SIMPLETEST'))   define('SIMPLETEST', '/www/simpletest/');
+if (!defined('INSTALL_PATH')) define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/' );
+
+define('TESTS_DIR', dirname(__FILE__) . '/');
+
+require_once(SIMPLETEST . 'unit_tester.php');
+require_once(SIMPLETEST . 'reporter.php');
+require_once(INSTALL_PATH . 'program/include/iniset.php');
+
+if (count($_SERVER['argv']) > 1) {
+  $testfiles = array();
+  for ($i=1; $i < count($_SERVER['argv']); $i++)
+    $testfiles[] = realpath('./' . $_SERVER['argv'][$i]);
+}
+else {
+  $testfiles = glob(TESTS_DIR . '*.php');
+}
+
+$test = new TestSuite('RoundCube unit tests');
+$reporter = new TextReporter();
+
+foreach ($testfiles as $fn) {
+  $test->addTestFile($fn);
+}
+
+$test->run($reporter);
+
+?>
\ No newline at end of file
diff --git a/tests/src/BID-26800.txt b/tests/src/BID-26800.txt
new file mode 100644
index 000000000..513516c09
--- /dev/null
+++ b/tests/src/BID-26800.txt
@@ -0,0 +1,52 @@
+<html>
+<head>
+</head>
+<body>
+<h1>1 test</h1>
+<p>&lt;style&gt; block</p>
+<style>input { left:expression( alert(&#039;expression!&#039;) ) }</style>
+<style>div   { background:url(alert(&#039;URL!&#039;) ) }</style>
+
+<h1>2 test</h1>
+<p>&lt;div&gt; block</p>
+<div style="font-style:italic">valid css</div>
+<div style="{ left:expression( alert(&#039;expression!&#039;) ) }">
+<div style="{ background:url( alert(&#039;URL!&#039;) ) }">
+
+<h1>3 test</h1>
+<p>Inject comment text</p>
+<div style="{ left:exp/*  */ression( alert(&#039;xss3&#039;) ) }">
+<div style="{ background:u/* */rl( alert(&#039;xssurl3&#039;) ) }">
+
+<h1>4 test</h1>
+<p>Using reverse solid to directe the codepoint</p>
+<div style="{ left:\0065\0078pression( alert(&#039;xss4&#039;) ) }">
+<div style="{ background:\0075rl( alert(&#039;xssurl4&#039;) ) }">
+
+<h1>5 test</h1>
+<p>Character entity references</p>
+<p>Character entity references is acceptable in "inline styles"</p>
+<div style="{ left:&#x0065;xpression( alert(&#039;xss&#039;) ) }">
+<div style="{ left:&#101;xpression( alert(&#039;xss&#039;) ) }">
+<div style="{ background:&#x0075;rl( alert(&#039;URL!&#039;) ) }">
+<div style="{ background:&#117;rl( alert(&#039;URL!&#039;) ) }">
+<div style="{ left:&#x0065xpression( alert(&#039;xss&#039;) ) }">
+
+<div style="{ left:ï½.ï½.ï½�ï½.ï½.ï½.ï½.ï½.ï½�ï½.( alert(&#039;xss&#039;) ) }">
+<div style="{ left:ï½.ï½.&#x2f;**/pression( alert(&#039;xss&#039;) ) }">
+<div style="{ left:exp&#x0280;essio&#x0274;( alert(&#039;xss&#039;) ) }">
+<div style="{ left:&#x5c;0065&#x5c;0078pression( alert(&#039;xss&#039;) ) }">
+<div style="{ left:ex p ression( alert(&#039;xss&#039;) ) }">
+
+<div style="{ background:ï½.ï½.ï½.( javascript:alert(&#039;xss&#039;) ) }">
+<div style="{ background:&#x0075;/**/rl( javascript:alert(&#039;xss&#039;) ) }">
+<div style="{ background:\0075\0072\006c( javascript:alert(&#039;xss&#039;) ) }">
+<div style="{ background:u&#x0280;&#x029F;( javascript:alert(&#039;xss&#039;) ) 
+}">
+<div style="{ background:&#x5c;0075&#x5c;0280l( javascript:alert(&#039;xss&#039;) 
+) }">
+<div style="{ background:u r l( javascript:alert(&#039;xss&#039;) ) }">
+
+</body>
+</html>
+
diff --git a/tests/src/htmlbody.txt b/tests/src/htmlbody.txt
new file mode 100644
index 000000000..5cdd7579e
--- /dev/null
+++ b/tests/src/htmlbody.txt
@@ -0,0 +1,50 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
+<title>RoundCube Test Message</title>
+<style type="text/css">
+
+p, a {
+	font-family: Arial, 'Bitstream Vera Sans', Helvetica;
+	margin-top: 0px;
+	margin-bottom: 0px;
+	padding-top: 0px;
+	padding-bottom: 0px;
+}
+
+</style>
+</head>
+<body style="margin: 0 0 0 0;">
+
+<table width="100%" cellpadding="0" cellspacing="20" style="background-image:url(http://evilsite.net/newsletter/image/bg/bg-64.jpg);background-attachment:fixed;" background="http://evilsite.net/newsletter/image/bg/bg-64.jpg" border="0">
+<tr>
+<td>
+
+<h1>This is a HTML message</h1>
+
+<p>See nice pictures like the following:</p>
+
+<div>
+  <img src="ex1.jpg" width="320" height="320" alt="Example 1">
+  <img src="ex2.jpg" width="320" height="320" alt="Example 2">
+  <img src="http://evilsite.net/mailings/ex3.jpg" width="320" height="320" alt="Example 3">
+</div>
+
+<form action="http://evilsite.net/subscribe.php">
+  <p>Subscription form</p>
+  
+  E-Mail: <input type="text" name="mail" value=""><br/>
+  <input type="submit" value="Subscribe">
+  
+</form>
+
+<p>To unsubscribe click here <a href="http://evilsite.net/unsubscribe.php?mail=foo@bar.com"> or
+  send a mail to <a href="mailto:unsubscribe@evilsite.net">unsubscribe@evilsite.net</a></p>
+
+</td>
+</tr>
+</table>
+
+</body>
+</html>
\ No newline at end of file
diff --git a/tests/src/htmlxss.txt b/tests/src/htmlxss.txt
new file mode 100644
index 000000000..60ceb944e
--- /dev/null
+++ b/tests/src/htmlxss.txt
@@ -0,0 +1,22 @@
+<html>
+<body>
+
+<p><img onLoad.="alert(document.cookie)" src="skins/default/images/roundcube_logo.png" /></p>
+
+<p><a href="javascript:alert(document.cookie)">mail me!</a>
+<a href="http://roundcube.net" target="_self">roundcube.net</a>
+<a href="http://roundcube.net" \onmouseover="alert('XSS')">roundcube.net (2)</a>
+
+</p>
+
+<div>Brilliant!</div>
+
+<table><tbody><tr><td background="javascript:alert('XSS')">BBBBBB</td></tr></tbody></table>
+
+<p>
+Have a nice Christmas time.<br />
+Thomas
+</p>
+
+</body>
+</html>
diff --git a/tests/src/plainbody.txt b/tests/src/plainbody.txt
new file mode 100644
index 000000000..7ebfe429b
--- /dev/null
+++ b/tests/src/plainbody.txt
@@ -0,0 +1,37 @@
+From: iPhone Developer Program <noreply-iphonedev@apple.com>
+To: nobody@roundcube.net
+
+*iPhone Developer Program*
+
+-----------------------------------
+iPhone SDK 2.2.1 is now available
+https://daw.apple.com/cgi-bin/WebObjects/DSAuthWeb.woa/wa/login?appIdKey=3D=
+D635F5C417E087A3B9864DAC5D25920C4E9442C9339FA9277951628F0291F620&path=3D//i=
+phone/login.action
+
+Log in to the iPhone Dev Center to download iPhone SDK for iPhone OS 2.2.1.=
+ Installation of iPhone SDK 2.2.1 is required for development with devices =
+updated to iPhone OS 2.2.1. Please view the Read Me before installing the n=
+ew version of the iPhone SDK.
+
+Log in now
+https://daw.apple.com/cgi-bin/WebObjects/DSAuthWeb.woa/wa/login?appIdKey=3D=
+D635F5C417E087A3B9864DAC5D25920C4E9442C9339FA9277951628F0291F620&path=3D//i=
+phone/login.action
+
+-----------------------------------
+Copyright (c) 2009 Apple Inc. 1 Infinite Loop, MS 303-3DM, Cupertino, CA 95=
+014.
+
+All Rights Reserved
+http://www.apple.com/legal/default.html
+
+Keep Informed
+http://www.apple.com/enews/subscribe/
+
+Privacy Policy
+http://www.apple.com/legal/privacy/
+
+My Info
+https://myinfo.apple.com/cgi-bin/WebObjects/MyInfo
+
diff --git a/tests/src/valid.css b/tests/src/valid.css
new file mode 100644
index 000000000..340fa9a87
--- /dev/null
+++ b/tests/src/valid.css
@@ -0,0 +1,30 @@
+/** Master style definitions **/
+
+body, p, div, h1, h2, h3, textarea {
+  font-family: "Lucida Grande", Helvetica, sans-serif;
+  font-size: 8.8pt;
+  color: #333;
+}
+
+body {
+  background-color: white;
+  margin: 0;
+}
+
+h1 {
+  color: #1F519A;
+  font-size: 1.7em;
+  font-weight: normal;
+  margin-top: 0;
+  margin-bottom: 1em;
+}
+
+.noscript {
+  display: none;
+}
+
+.hint, .username {
+  color: #999;
+}
+
+
-- 
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