# Coverage for Doctrine_Validator_Email

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1 | <?php
2 | /*
3 | * $Id: Email.php 2702 2007-10-03 21:43:22Z Jonathan.Wage $
4 | *
5 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
6 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
7 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
8 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
9 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
10 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
11 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
12 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
13 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
14 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
15 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
16 | *
17 | * This software consists of voluntary contributions made by many individuals
18 | * and is licensed under the LGPL. For more information, see
19 | * <http://www.phpdoctrine.org>.
20 | */
21 |
22 | /**
23 | * Doctrine_Validator_Email
24 | *
25 | * @package Doctrine
26 | * @subpackage Validator
27 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
28 | * @link www.phpdoctrine.org
29 | * @since 1.0
30 | * @version $Revision: 2702 $
31 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi>
32 | */
33 | class Doctrine_Validator_Email
34 | {
35 | /**
36 | * checks if given value is a valid email address
37 | *
38 | * @link http://iamcal.com/publish/articles/php/parsing_email/pdf/
39 | * @param mixed $value
40 | * @return boolean
41 | */
42 | public function validate($value)
43 | {
44 | if ($value === null) {
45 | return true;
46 | }
47 | if (isset($this->args)) {
48 | $parts = explode('@', $value);
49 | if (isset($parts[1]) && function_exists('checkdnsrr')) {
50 | if ( ! checkdnsrr($parts[1], 'MX')) {
51 | return false;
52 | }
53 | }
54 | }
55 |
56 | $qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
57 | $dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
58 | $atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
59 | $quotedPair = '\\x5c[\\x00-\\x7f]';
60 | $domainLiteral = "\\x5b($dtext|$quotedPair)*\\x5d";
61 | $quotedString = "\\x22($qtext|$quotedPair)*\\x22";
62 | $domain_ref = $atom;
63 | $subDomain = "($domain_ref|$domainLiteral)";
64 | $word = "($atom|$quotedString)";
65 | $domain = "$subDomain(\\x2e$subDomain)+";
66 | /*
67 | following pseudocode to allow strict checking - ask pookey about this if you're puzzled
68 |
69 | if ($this->getValidationOption('strict_checking') == true) {
70 | $domain = "$sub_domain(\\x2e$sub_domain)*";
71 | }
72 | */
73 | $localPart = "$word(\\x2e$word)*";
74 | $addrSpec = "$localPart\\x40$domain";
75 |
76 | return (bool) preg_match("!^$addrSpec$!D", $value);
77 | }
78 | }