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<?php
/**
* Test class to test steps/mail/func.inc functions
*
* @package Tests
*/
class MailFunc extends PHPUnit_Framework_TestCase
{
function setUp()
{
// simulate environment to successfully include func.inc
$GLOBALS['RCMAIL'] = $RCMAIL = rcmail::get_instance();
$GLOBALS['OUTPUT'] = $OUTPUT = $RCMAIL->load_gui();
$RCMAIL->action = 'autocomplete';
$RCMAIL->storage_init(false);
require_once INSTALL_PATH . 'program/steps/mail/func.inc';
$GLOBALS['EMAIL_ADDRESS_PATTERN'] = $EMAIL_ADDRESS_PATTERN;
}
/**
* Helper method to create a HTML message part object
*/
function get_html_part($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
$html = rcmail_html4inline(rcmail_print_body($part, array('safe' => false)), 'foo');
$this->assertRegExp('/src="'.$part->replaces['ex1.jpg'].'"/', $html, "Replace reference to inline image");
$this->assertRegExp('#background="./program/resources/blocked.gif"#', $html, "Replace external background image");
$this->assertNotRegExp('/ex3.jpg/', $html, "No references to external images");
$this->assertNotRegExp('/<meta [^>]+>/', $html, "No meta tags allowed");
//$this->assertNoPattern('/<style [^>]+>/', $html, "No style tags allowed");
$this->assertNotRegExp('/<form [^>]+>/', $html, "No form tags allowed");
$this->assertRegExp('/Subscription form/', $html, "Include <form> contents");
$this->assertRegExp('/<!-- link ignored -->/', $html, "No external links allowed");
$this->assertRegExp('/<a[^>]+ target="_blank"/', $html, "Set target to _blank");
$this->assertTrue($GLOBALS['REMOTE_OBJECTS'], "Remote object detected");
// render HTML in safe mode
$html2 = rcmail_html4inline(rcmail_print_body($part, array('safe' => true)), 'foo');
$this->assertRegExp('/<style [^>]+>/', $html2, "Allow styles in safe mode");
$this->assertRegExp('#src="http://evilsite.net/mailings/ex3.jpg"#', $html2, "Allow external images in HTML (safe mode)");
$this->assertRegExp("#url\('?http://evilsite.net/newsletter/image/bg/bg-64.jpg'?\)#", $html2, "Allow external images in CSS (safe mode)");
$css = '<link rel="stylesheet" .+_u=tmp-[a-z0-9]+\.css.+_action=modcss';
$this->assertRegExp('#'.$css.'#Ui', $html2, "Filter (anonymized) external styleseehts with utils/modcss.inc");
}
/**
* 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->assertNotRegExp('/src="skins/', $washed, "Remove local references");
$this->assertNotRegExp('/\son[a-z]+/', $washed, "Remove on* attributes");
$html = rcmail_html4inline($washed, 'foo');
$this->assertNotRegExp('/onclick="return rcmail.command(\'compose\',\'xss@somehost.net\',this)"/', $html, "Clean mailto links");
$this->assertNotRegExp('/alert/', $html, "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');
$washed = rcmail_html4inline(rcmail_print_body($part, array('safe' => true)), 'dabody', '', $attr, true);
$this->assertNotRegExp('/alert|expression|javascript|xss/', $washed, "Remove evil style blocks");
$this->assertNotRegExp('/font-style:italic/', $washed, "Allow valid styles");
}
/**
* Test the elimination of some XSS vulnerabilities
*/
function test_html_xss3()
{
// #1488850
$html = '<p><a href="data:text/html,<script>alert(document.cookie)</script>">Firefox</a>'
.'<a href="vbscript:alert(document.cookie)">Internet Explorer</a></p>';
$washed = rcmail_wash_html($html, array('safe' => true), array());
$this->assertNotRegExp('/data:text/', $washed, "Remove data:text/html links");
$this->assertNotRegExp('/vbscript:/', $washed, "Remove vbscript: links");
}
/**
* Test washtml class on non-unicode characters (#1487813)
*/
function test_washtml_utf8()
{
$part = $this->get_html_part('src/invalidchars.html');
$washed = rcmail_print_body($part);
$this->assertRegExp('/<p>символ<\/p>/', $washed, "Remove non-unicode characters from HTML message body");
}
/**
* 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->assertRegExp('/<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->assertRegExp('#<a rel="noreferrer" target="_blank" href="http://www.apple.com/legal/privacy">http://www.apple.com/legal/privacy</a>#', $html, "Links with target=_blank");
$this->assertRegExp('#\\[<a rel="noreferrer" target="_blank" href="http://example.com/\\?tx\\[a\\]=5">http://example.com/\\?tx\\[a\\]=5</a>\\]#', $html, "Links with square brackets");
}
/**
* Test mailto links in html messages
*/
function test_mailto()
{
$part = $this->get_html_part('src/mailto.txt');
// render HTML in normal mode
$html = rcmail_html4inline(rcmail_print_body($part, array('safe' => false)), 'foo');
$mailto = '<a href="mailto:me@me.com"'
.' onclick="return rcmail.command(\'compose\',\'me@me.com?subject=this is the subject&body=this is the body\',this)" rel="noreferrer">e-mail</a>';
$this->assertRegExp('|'.preg_quote($mailto, '|').'|', $html, "Extended mailto links");
}
/**
* Test the elimination of HTML comments
*/
function test_html_comments()
{
$part = $this->get_html_part('src/htmlcom.txt');
$washed = rcmail_print_body($part, array('safe' => true));
// #1487759
$this->assertRegExp('|<p>test1</p>|', $washed, "Buggy HTML comments");
// but conditional comments (<!--[if ...) should be removed
$this->assertNotRegExp('|<p>test2</p>|', $washed, "Conditional HTML comments");
}
/**
* Test URI base resolving in HTML messages
*/
function test_resolve_base()
{
$html = file_get_contents(TESTS_DIR . 'src/htmlbase.txt');
$html = rcube_washtml::resolve_base($html);
$this->assertRegExp('|src="http://alec\.pl/dir/img1\.gif"|', $html, "URI base resolving [1]");
$this->assertRegExp('|src="http://alec\.pl/dir/img2\.gif"|', $html, "URI base resolving [2]");
$this->assertRegExp('|src="http://alec\.pl/img3\.gif"|', $html, "URI base resolving [3]");
// base resolving exceptions
$this->assertRegExp('|src="cid:theCID"|', $html, "URI base resolving exception [1]");
$this->assertRegExp('|src="http://other\.domain\.tld/img3\.gif"|', $html, "URI base resolving exception [2]");
}
}
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