<?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 href="http://www.apple.com/legal/privacy" target="_blank">http://www.apple.com/legal/privacy</a>#', $html, "Links with target=_blank"); $this->assertRegExp('#\\[<a href="http://example.com/\\?tx\\[a\\]=5" target="_blank">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?subject=this is the subject&body=this is the body"' .' onclick="return rcmail.command(\'compose\',\'me@me.com?subject=this is the subject&body=this is the body\',this)">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]"); } }