Utils.php
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Utils.php
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	<?php

	/**
	* Test class to test rcube_utils class
	*
	* @package Tests
	*/
	class Framework_Utils extends PHPUnit_Framework_TestCase
	{

	/**
	* Valid email addresses for test_valid_email()
	*/
	function data_valid_email()
	{
	return array(
	array('email@domain.com', 'Valid email'),
	array('firstname.lastname@domain.com', 'Email contains dot in the address field'),
	array('email@subdomain.domain.com', 'Email contains dot with subdomain'),
	array('firstname+lastname@domain.com', 'Plus sign is considered valid character'),
	array('email@[123.123.123.123]', 'Square bracket around IP address'),
	array('email@[IPv6:::1]', 'Square bracket around IPv6 address (1)'),
	array('email@[IPv6:::1.2.3.4]', 'Square bracket around IPv6 address (2)'),
	array('email@[IPv6:2001:2d12:c4fe:5afe::1]', 'Square bracket around IPv6 address (3)'),
	array('"email"@domain.com', 'Quotes around email is considered valid'),
	array('1234567890@domain.com', 'Digits in address are valid'),
	array('email@domain-one.com', 'Dash in domain name is valid'),
	array('_______@domain.com', 'Underscore in the address field is valid'),
	array('email@domain.name', '.name is valid Top Level Domain name'),
	array('email@domain.co.jp', 'Dot in Top Level Domain name also considered valid (use co.jp as example here)'),
	array('firstname-lastname@domain.com', 'Dash in address field is valid'),
	array('test@xn--e1aaa0cbbbcacac.xn--p1ai', 'IDNA domain'),
	);
	}

	/**
	* Invalid email addresses for test_invalid_email()
	*/
	function data_invalid_email()
	{
	return array(
	array('plainaddress', 'Missing @ sign and domain'),
	array('#@%^%#$@#$@#.com', 'Garbage'),
	array('@domain.com', 'Missing username'),
	array('Joe Smith <email@domain.com>', 'Encoded html within email is invalid'),
	array('email.domain.com', 'Missing @'),
	array('email@domain@domain.com', 'Two @ sign'),
	array('.email@domain.com', 'Leading dot in address is not allowed'),
	array('email.@domain.com', 'Trailing dot in address is not allowed'),
	array('email..email@domain.com', 'Multiple dots'),
	array('あいうえお@domain.com', 'Unicode char as address'),
	array('email@domain.com (Joe Smith)', 'Text followed email is not allowed'),
	array('email@domain', 'Missing top level domain (.com/.net/.org/etc)'),
	array('email@-domain.com', 'Leading dash in front of domain is invalid'),
	// array('email@domain.web', '.web is not a valid top level domain'),
	array('email@123.123.123.123', 'IP address without brackets'),
	array('email@2001:2d12:c4fe:5afe::1', 'IPv6 address without brackets'),
	array('email@IPv6:2001:2d12:c4fe:5afe::1', 'IPv6 address without brackets (2)'),
	array('email@[111.222.333.44444]', 'Invalid IP format'),
	array('email@[111.222.255.257]', 'Invalid IP format (2)'),
	array('email@[.222.255.257]', 'Invalid IP format (3)'),
	array('email@[::1]', 'Invalid IPv6 format (1)'),
	array('email@[IPv6:2001:23x2:1]', 'Invalid IPv6 format (2)'),
	array('email@[IPv6:1111:2222:33333::4444:5555]', 'Invalid IPv6 format (3)'),
	array('email@[IPv6:1111::3333::4444:5555]', 'Invalid IPv6 format (4)'),
	array('email@domain..com', 'Multiple dot in the domain portion is invalid'),
	);
	}

	/**
	* @dataProvider data_valid_email
	*/
	function test_valid_email($email, $title)
	{
	$this->assertTrue(rcube_utils::check_email($email, false), $title);
	}

	/**
	* @dataProvider data_invalid_email
	*/
	function test_invalid_email($email, $title)
	{
	$this->assertFalse(rcube_utils::check_email($email, false), $title);
	}

	/**
	* Valid IP addresses for test_valid_ip()
	*/
	function data_valid_ip()
	{
	return array(
	array('0.0.0.0'),
	array('123.123.123.123'),
	array('::'),
	array('::1'),
	array('::1.2.3.4'),
	array('2001:2d12:c4fe:5afe::1'),
	);
	}

	/**
	* Valid IP addresses for test_invalid_ip()
	*/
	function data_invalid_ip()
	{
	return array(
	array(''),
	array(0),
	array('123.123.123.1234'),
	array('1.1.1.1.1'),
	array('::1.2.3.260'),
	array('::1.0'),
	array('2001::c4fe:5afe::1'),
	);
	}

	/**
	* @dataProvider data_valid_ip
	*/
	function test_valid_ip($ip)
	{
	$this->assertTrue(rcube_utils::check_ip($ip));
	}

	/**
	* @dataProvider data_invalid_ip
	*/
	function test_invalid_ip($ip)
	{
	$this->assertFalse(rcube_utils::check_ip($ip));
	}

	/**
	* Data for test_rep_specialchars_output()
	*/
	function data_rep_specialchars_output()
	{
	return array(
	array('', '', 'abc', 'abc'),
	array('', '', '?', '?'),
	array('', '', '"', '"'),
	array('', '', '<', '<'),
	array('', '', '>', '>'),
	array('', '', '&', '&'),
	array('', '', '&', '&amp;'),
	array('', '', '<a>', '<a>'),
	array('', 'remove', '<a>', ''),
	);
	}

	/**
	* Test for rep_specialchars_output
	* @dataProvider data_rep_specialchars_output
	*/
	function test_rep_specialchars_output($type, $mode, $str, $res)
	{
	$result = rcube_utils::rep_specialchars_output(
	$str, $type ? $type : 'html', $mode ? $mode : 'strict');

	$this->assertEquals($result, $res);
	}

	/**
	* rcube_utils::mod_css_styles()
	*/
	function test_mod_css_styles()
	{
	$css = file_get_contents(TESTS_DIR . 'src/valid.css');
	$mod = rcube_utils::mod_css_styles($css, 'rcmbody');

	$this->assertRegExp('/#rcmbody\s+\{/', $mod, "Replace body style definition");
	$this->assertRegExp('/#rcmbody h1\s\{/', $mod, "Prefix tag styles (single)");
	$this->assertRegExp('/#rcmbody h1, #rcmbody h2, #rcmbody h3, #rcmbody textarea\s+\{/', $mod, "Prefix tag styles (multiple)");
	$this->assertRegExp('/#rcmbody \.noscript\s+\{/', $mod, "Prefix class styles");

	$css = file_get_contents(TESTS_DIR . 'src/media.css');
	$mod = rcube_utils::mod_css_styles($css, 'rcmbody');

	$this->assertContains('#rcmbody table[class=w600]', $mod, 'Replace styles nested in @media block');
	$this->assertContains('#rcmbody {width:600px', $mod, 'Replace body selector nested in @media block');
	}

	/**
	* rcube_utils::mod_css_styles()
	*/
	function test_mod_css_styles_xss()
	{
	$mod = rcube_utils::mod_css_styles("body.main2cols { background-image: url('../images/leftcol.png'); }", 'rcmbody');
	$this->assertEquals("/* evil! */", $mod, "No url() values allowed");

	$mod = rcube_utils::mod_css_styles("@import url('http://localhost/somestuff/css/master.css');", 'rcmbody');
	$this->assertEquals("/* evil! */", $mod, "No import statements");

	$mod = rcube_utils::mod_css_styles("left:expression(document.body.offsetWidth-20)", 'rcmbody');
	$this->assertEquals("/* evil! */", $mod, "No expression properties");

	$mod = rcube_utils::mod_css_styles("left:exp/* */ression( alert('xss3') )", 'rcmbody');
	$this->assertEquals("/* evil! */", $mod, "Don't allow encoding quirks");

	$mod = rcube_utils::mod_css_styles("background:\\0075\\0072\\006c( javascript:alert('xss') )", 'rcmbody');
	$this->assertEquals("/* evil! */", $mod, "Don't allow encoding quirks (2)");
	}

	/**
	* Check rcube_utils::explode_quoted_string()
	*/
	function test_explode_quoted_string()
	{
	$data = array(
	'"a,b"' => array('"a,b"'),
	'"a,b","c,d"' => array('"a,b"','"c,d"'),
	'"a,\\"b",d' => array('"a,\\"b"', 'd'),
	);

	foreach ($data as $text => $res) {
	$result = rcube_utils::explode_quoted_string(',', $text);
	$this->assertSame($res, $result);
	}
	}

	/**
	* Check rcube_utils::explode_quoted_string() compat. with explode()
	*/
	function test_explode_quoted_string_compat()
	{
	$data = array('', 'a,b,c', 'a', ',', ',a');

	foreach ($data as $text) {
	$result = rcube_utils::explode_quoted_string(',', $text);
	$this->assertSame(explode(',', $text), $result);
	}
	}

	/**
	* rcube_utils::get_boolean()
	*/
	function test_get_boolean()
	{
	$input = array(
	false, 'false', '0', 'no', 'off', 'nein', 'FALSE', '', null,
	);

	foreach ($input as $idx => $value) {
	$this->assertFalse(get_boolean($value), "Invalid result for $idx test item");
	}

	$input = array(
	true, 'true', '1', 1, 'yes', 'anything', 1000,
	);

	foreach ($input as $idx => $value) {
	$this->assertTrue(get_boolean($value), "Invalid result for $idx test item");
	}
	}

	/**
	* rcube:utils::file2class()
	*/
	function test_file2class()
	{
	$test = array(
	array('', '', 'unknown'),
	array('text', 'text', 'text'),
	array('image/png', 'image.png', 'image png'),
	);

	foreach ($test as $v) {
	$result = rcube_utils::file2class($v[0], $v[1]);
	$this->assertSame($v[2], $result);
	}
	}

	/**
	* rcube:utils::strtotime()
	*/
	function test_strtotime()
	{
	$test = array(
	'1' => 1,
	'' => 0,
	'2013-04-22' => 1366581600,
	'2013/04/22' => 1366581600,
	'2013.04.22' => 1366581600,
	'22-04-2013' => 1366581600,
	'22/04/2013' => 1366581600,
	'22.04.2013' => 1366581600,
	'22.4.2013' => 1366581600,
	'20130422' => 1366581600,
	);

	foreach ($test as $datetime => $ts) {
	$result = rcube_utils::strtotime($datetime);
	$this->assertSame($ts, $result, "Error parsing date: $datetime");
	}
	}

	/**
	* rcube:utils::anytodatetime()
	*/
	function test_anytodatetime()
	{
	$test = array(
	'2013-04-22' => '2013-04-22',
	'2013/04/22' => '2013-04-22',
	'2013.04.22' => '2013-04-22',
	'22-04-2013' => '2013-04-22',
	'22/04/2013' => '2013-04-22',
	'22.04.2013' => '2013-04-22',
	'04/22/2013' => '2013-04-22',
	'22.4.2013' => '2013-04-22',
	'20130422' => '2013-04-22',
	'1900-10-10' => '1900-10-10',
	'01-01-1900' => '1900-01-01',
	'01/30/1960' => '1960-01-30'
	);

	foreach ($test as $datetime => $ts) {
	$result = rcube_utils::anytodatetime($datetime);
	$this->assertSame($ts, $result ? $result->format('Y-m-d') : '', "Error parsing date: $datetime");
	}
	}

	/**
	* rcube:utils::normalize_string()
	*/
	function test_normalize_string()
	{
	$test = array(
	'' => '',
	'abc def' => 'abc def',
	'ÇçäâàåæéêëèïîìÅÉöôòüûùÿøØáíóúñÑÁÂÀãÃÊËÈÍÎÏÓÔõÕÚÛÙýÝ' => 'ccaaaaaeeeeiiiaeooouuuyooaiounnaaaaaeeeiiioooouuuyy',
	'ąáâäćçčéęëěíîłľĺńňóôöŕřśšşťţůúűüźžżýĄŚŻŹĆ' => 'aaaaccceeeeiilllnnooorrsssttuuuuzzzyaszzc',
	'ß' => 'ss',
	'ae' => 'a',
	'oe' => 'o',
	'ue' => 'u',
	);

	foreach ($test as $input => $output) {
	$result = rcube_utils::normalize_string($input);
	$this->assertSame($output, $result);
	}
	}

	/**
	* rcube:utils::is_absolute_path()
	*/
	function test_is_absolute_path()
	{
	if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
	$test = array(
	'' => false,
	"C:\\" => true,
	'some/path' => false,
	);
	}
	else {
	$test = array(
	'' => false,
	'/path' => true,
	'some/path' => false,
	);
	}

	foreach ($test as $input => $output) {
	$result = rcube_utils::is_absolute_path($input);
	$this->assertSame($output, $result);
	}
	}
	}

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