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115 lines
4.4 KiB
PHP
115 lines
4.4 KiB
PHP
<?php
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/**
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* Test class to test steps/mail/func.inc functions
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*
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* @package Tests
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*/
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class rcube_test_mailfunc extends UnitTestCase
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{
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function __construct()
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{
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$this->UnitTestCase('Mail body rendering tests');
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// simulate environment to successfully include func.inc
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$GLOBALS['RCMAIL'] = $RCMAIL = rcmail::get_instance();
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$GLOBALS['OUTPUT'] = $OUTPUT = $RCMAIL->load_gui();
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$RCMAIL->action = 'spell';
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$IMAP = $RCMAIL->imap;
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require_once 'steps/mail/func.inc';
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$GLOBALS['EMAIL_ADDRESS_PATTERN'] = $EMAIL_ADDRESS_PATTERN;
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}
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/**
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* Helper method to create a HTML message part object
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*/
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function get_html_part($body)
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{
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$part = new rcube_message_part;
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$part->ctype_primary = 'text';
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$part->ctype_secondary = 'html';
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$part->body = file_get_contents(TESTS_DIR . $body);
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$part->replaces = array();
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return $part;
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}
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/**
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* Test sanitization of a "normal" html message
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*/
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function test_html()
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{
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$part = $this->get_html_part('src/htmlbody.txt');
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$part->replaces = array('ex1.jpg' => 'part_1.2.jpg', 'ex2.jpg' => 'part_1.2.jpg');
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// render HTML in normal mode
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$html = rcmail_html4inline(rcmail_print_body($part, array('safe' => false)), 'foo');
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$this->assertPattern('/src="'.$part->replaces['ex1.jpg'].'"/', $html, "Replace reference to inline image");
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$this->assertPattern('#background="./program/blocked.gif"#', $html, "Replace external background image");
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$this->assertNoPattern('/ex3.jpg/', $html, "No references to external images");
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$this->assertNoPattern('/<meta [^>]+>/', $html, "No meta tags allowed");
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$this->assertNoPattern('/<style [^>]+>/', $html, "No style tags allowed");
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$this->assertNoPattern('/<form [^>]+>/', $html, "No form tags allowed");
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$this->assertPattern('/Subscription form/', $html, "Include <form> contents");
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$this->assertPattern('/<!-- input not allowed -->/', $html, "No input elements allowed");
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$this->assertPattern('/<a[^>]+ target="_blank">/', $html, "Set target to _blank");
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$this->assertTrue($GLOBALS['REMOTE_OBJECTS'], "Remote object detected");
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// render HTML in safe mode
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$html2 = rcmail_print_body($part, array('safe' => true));
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$this->assertPattern('/<style [^>]+>/', $html2, "Allow styles in safe mode");
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$this->assertPattern('#src="http://evilsite.net/mailings/ex3.jpg"#', $html2, "Allow external images in HTML (safe mode)");
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$this->assertPattern("#url\('http://evilsite.net/newsletter/image/bg/bg-64.jpg'\)#", $html2, "Allow external images in CSS (safe mode)");
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}
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/**
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* Test the elimination of some trivial XSS vulnerabilities
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*/
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function test_html_xss()
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{
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$part = $this->get_html_part('src/htmlxss.txt');
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$washed = rcmail_print_body($part, array('safe' => true));
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$this->assertNoPattern('/src="skins/', $washed, "Remove local references");
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$this->assertNoPattern('/\son[a-z]+/', $washed, "Remove on* attributes");
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$html = rcmail_html4inline($washed, 'foo');
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$this->assertNoPattern('/onclick="return rcmail.command(\'compose\',\'xss@somehost.net\',this)"/', $html, "Clean mailto links");
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$this->assertNoPattern('/alert/', $html, "Remove alerts");
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}
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/**
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* Test HTML sanitization to fix the CSS Expression Input Validation Vulnerability
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* reported at http://www.securityfocus.com/bid/26800/
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*/
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function test_html_xss2()
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{
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$part = $this->get_html_part('src/BID-26800.txt');
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$washed = rcmail_print_body($part, array('safe' => true));
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$this->assertNoPattern('/alert|expression|javascript|xss/', $washed, "Remove evil style blocks");
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$this->assertNoPattern('/font-style:italic/', $washed, "Allow valid styles");
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}
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/**
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* Test links pattern replacements in plaintext messages
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*/
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function test_plaintext()
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{
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$part = new rcube_message_part;
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$part->ctype_primary = 'text';
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$part->ctype_secondary = 'plain';
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$part->body = quoted_printable_decode(file_get_contents(TESTS_DIR . 'src/plainbody.txt'));
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$html = rcmail_print_body($part, array('safe' => true));
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$this->assertPattern('/<a href="mailto:nobody@roundcube.net" onclick="return rcmail.command\(\'compose\',\'nobody@roundcube.net\',this\)">nobody@roundcube.net<\/a>/', $html, "Mailto links with onclick");
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$this->assertPattern('#<a href="http://www.apple.com/legal/privacy/" target="_blank">http://www.apple.com/legal/privacy/</a>#', $html, "Links with target=_blank");
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}
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}
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?>
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