369 lines
12 KiB
PHP
369 lines
12 KiB
PHP
<?php
|
|
|
|
namespace Egulias\EmailValidator\Parser;
|
|
|
|
use Egulias\EmailValidator\EmailLexer;
|
|
use Egulias\EmailValidator\Exception\CharNotAllowed;
|
|
use Egulias\EmailValidator\Exception\CommaInDomain;
|
|
use Egulias\EmailValidator\Exception\ConsecutiveAt;
|
|
use Egulias\EmailValidator\Exception\CRLFAtTheEnd;
|
|
use Egulias\EmailValidator\Exception\CRNoLF;
|
|
use Egulias\EmailValidator\Exception\DomainHyphened;
|
|
use Egulias\EmailValidator\Exception\DotAtEnd;
|
|
use Egulias\EmailValidator\Exception\DotAtStart;
|
|
use Egulias\EmailValidator\Exception\ExpectingATEXT;
|
|
use Egulias\EmailValidator\Exception\ExpectingDomainLiteralClose;
|
|
use Egulias\EmailValidator\Exception\ExpectingDTEXT;
|
|
use Egulias\EmailValidator\Exception\NoDomainPart;
|
|
use Egulias\EmailValidator\Exception\UnopenedComment;
|
|
use Egulias\EmailValidator\Warning\AddressLiteral;
|
|
use Egulias\EmailValidator\Warning\CFWSWithFWS;
|
|
use Egulias\EmailValidator\Warning\DeprecatedComment;
|
|
use Egulias\EmailValidator\Warning\DomainLiteral;
|
|
use Egulias\EmailValidator\Warning\DomainTooLong;
|
|
use Egulias\EmailValidator\Warning\IPV6BadChar;
|
|
use Egulias\EmailValidator\Warning\IPV6ColonEnd;
|
|
use Egulias\EmailValidator\Warning\IPV6ColonStart;
|
|
use Egulias\EmailValidator\Warning\IPV6Deprecated;
|
|
use Egulias\EmailValidator\Warning\IPV6DoubleColon;
|
|
use Egulias\EmailValidator\Warning\IPV6GroupCount;
|
|
use Egulias\EmailValidator\Warning\IPV6MaxGroups;
|
|
use Egulias\EmailValidator\Warning\LabelTooLong;
|
|
use Egulias\EmailValidator\Warning\ObsoleteDTEXT;
|
|
use Egulias\EmailValidator\Warning\TLD;
|
|
|
|
class DomainPart extends Parser
|
|
{
|
|
const DOMAIN_MAX_LENGTH = 254;
|
|
protected $domainPart = '';
|
|
|
|
public function parse($domainPart)
|
|
{
|
|
$this->lexer->moveNext();
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_DOT) {
|
|
throw new DotAtStart();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_EMPTY) {
|
|
throw new NoDomainPart();
|
|
}
|
|
if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN) {
|
|
throw new DomainHyphened();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
|
|
$this->warnings[DeprecatedComment::CODE] = new DeprecatedComment();
|
|
$this->parseDomainComments();
|
|
}
|
|
|
|
$domain = $this->doParseDomainPart();
|
|
|
|
$prev = $this->lexer->getPrevious();
|
|
$length = strlen($domain);
|
|
|
|
if ($prev['type'] === EmailLexer::S_DOT) {
|
|
throw new DotAtEnd();
|
|
}
|
|
if ($prev['type'] === EmailLexer::S_HYPHEN) {
|
|
throw new DomainHyphened();
|
|
}
|
|
if ($length > self::DOMAIN_MAX_LENGTH) {
|
|
$this->warnings[DomainTooLong::CODE] = new DomainTooLong();
|
|
}
|
|
if ($prev['type'] === EmailLexer::S_CR) {
|
|
throw new CRLFAtTheEnd();
|
|
}
|
|
$this->domainPart = $domain;
|
|
}
|
|
|
|
public function getDomainPart()
|
|
{
|
|
return $this->domainPart;
|
|
}
|
|
|
|
public function checkIPV6Tag($addressLiteral, $maxGroups = 8)
|
|
{
|
|
$prev = $this->lexer->getPrevious();
|
|
if ($prev['type'] === EmailLexer::S_COLON) {
|
|
$this->warnings[IPV6ColonEnd::CODE] = new IPV6ColonEnd();
|
|
}
|
|
|
|
$IPv6 = substr($addressLiteral, 5);
|
|
//Daniel Marschall's new IPv6 testing strategy
|
|
$matchesIP = explode(':', $IPv6);
|
|
$groupCount = count($matchesIP);
|
|
$colons = strpos($IPv6, '::');
|
|
|
|
if (count(preg_grep('/^[0-9A-Fa-f]{0,4}$/', $matchesIP, PREG_GREP_INVERT)) !== 0) {
|
|
$this->warnings[IPV6BadChar::CODE] = new IPV6BadChar();
|
|
}
|
|
|
|
if ($colons === false) {
|
|
// We need exactly the right number of groups
|
|
if ($groupCount !== $maxGroups) {
|
|
$this->warnings[IPV6GroupCount::CODE] = new IPV6GroupCount();
|
|
}
|
|
return;
|
|
}
|
|
|
|
if ($colons !== strrpos($IPv6, '::')) {
|
|
$this->warnings[IPV6DoubleColon::CODE] = new IPV6DoubleColon();
|
|
return;
|
|
}
|
|
|
|
if ($colons === 0 || $colons === (strlen($IPv6) - 2)) {
|
|
// RFC 4291 allows :: at the start or end of an address
|
|
//with 7 other groups in addition
|
|
++$maxGroups;
|
|
}
|
|
|
|
if ($groupCount > $maxGroups) {
|
|
$this->warnings[IPV6MaxGroups::CODE] = new IPV6MaxGroups();
|
|
} elseif ($groupCount === $maxGroups) {
|
|
$this->warnings[IPV6Deprecated::CODE] = new IPV6Deprecated();
|
|
}
|
|
}
|
|
|
|
protected function doParseDomainPart()
|
|
{
|
|
$domain = '';
|
|
$openedParenthesis = 0;
|
|
do {
|
|
$prev = $this->lexer->getPrevious();
|
|
|
|
$this->checkNotAllowedChars($this->lexer->token);
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
|
|
$this->parseComments();
|
|
$openedParenthesis += $this->getOpenedParenthesis();
|
|
$this->lexer->moveNext();
|
|
$tmpPrev = $this->lexer->getPrevious();
|
|
if ($tmpPrev['type'] === EmailLexer::S_CLOSEPARENTHESIS) {
|
|
$openedParenthesis--;
|
|
}
|
|
}
|
|
if ($this->lexer->token['type'] === EmailLexer::S_CLOSEPARENTHESIS) {
|
|
if ($openedParenthesis === 0) {
|
|
throw new UnopenedComment();
|
|
} else {
|
|
$openedParenthesis--;
|
|
}
|
|
}
|
|
|
|
$this->checkConsecutiveDots();
|
|
$this->checkDomainPartExceptions($prev);
|
|
|
|
if ($this->hasBrackets()) {
|
|
$this->parseDomainLiteral();
|
|
}
|
|
|
|
$this->checkLabelLength($prev);
|
|
|
|
if ($this->isFWS()) {
|
|
$this->parseFWS();
|
|
}
|
|
|
|
$domain .= $this->lexer->token['value'];
|
|
$this->lexer->moveNext();
|
|
} while ($this->lexer->token);
|
|
|
|
return $domain;
|
|
}
|
|
|
|
private function checkNotAllowedChars($token)
|
|
{
|
|
$notAllowed = [EmailLexer::S_BACKSLASH => true, EmailLexer::S_SLASH=> true];
|
|
if (isset($notAllowed[$token['type']])) {
|
|
throw new CharNotAllowed();
|
|
}
|
|
}
|
|
|
|
protected function parseDomainLiteral()
|
|
{
|
|
if ($this->lexer->isNextToken(EmailLexer::S_COLON)) {
|
|
$this->warnings[IPV6ColonStart::CODE] = new IPV6ColonStart();
|
|
}
|
|
if ($this->lexer->isNextToken(EmailLexer::S_IPV6TAG)) {
|
|
$lexer = clone $this->lexer;
|
|
$lexer->moveNext();
|
|
if ($lexer->isNextToken(EmailLexer::S_DOUBLECOLON)) {
|
|
$this->warnings[IPV6ColonStart::CODE] = new IPV6ColonStart();
|
|
}
|
|
}
|
|
|
|
return $this->doParseDomainLiteral();
|
|
}
|
|
|
|
protected function doParseDomainLiteral()
|
|
{
|
|
$IPv6TAG = false;
|
|
$addressLiteral = '';
|
|
do {
|
|
if ($this->lexer->token['type'] === EmailLexer::C_NUL) {
|
|
throw new ExpectingDTEXT();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::INVALID ||
|
|
$this->lexer->token['type'] === EmailLexer::C_DEL ||
|
|
$this->lexer->token['type'] === EmailLexer::S_LF
|
|
) {
|
|
$this->warnings[ObsoleteDTEXT::CODE] = new ObsoleteDTEXT();
|
|
}
|
|
|
|
if ($this->lexer->isNextTokenAny(array(EmailLexer::S_OPENQBRACKET, EmailLexer::S_OPENBRACKET))) {
|
|
throw new ExpectingDTEXT();
|
|
}
|
|
|
|
if ($this->lexer->isNextTokenAny(
|
|
array(EmailLexer::S_HTAB, EmailLexer::S_SP, $this->lexer->token['type'] === EmailLexer::CRLF)
|
|
)) {
|
|
$this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
|
|
$this->parseFWS();
|
|
}
|
|
|
|
if ($this->lexer->isNextToken(EmailLexer::S_CR)) {
|
|
throw new CRNoLF();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH) {
|
|
$this->warnings[ObsoleteDTEXT::CODE] = new ObsoleteDTEXT();
|
|
$addressLiteral .= $this->lexer->token['value'];
|
|
$this->lexer->moveNext();
|
|
$this->validateQuotedPair();
|
|
}
|
|
if ($this->lexer->token['type'] === EmailLexer::S_IPV6TAG) {
|
|
$IPv6TAG = true;
|
|
}
|
|
if ($this->lexer->token['type'] === EmailLexer::S_CLOSEQBRACKET) {
|
|
break;
|
|
}
|
|
|
|
$addressLiteral .= $this->lexer->token['value'];
|
|
|
|
} while ($this->lexer->moveNext());
|
|
|
|
$addressLiteral = str_replace('[', '', $addressLiteral);
|
|
$addressLiteral = $this->checkIPV4Tag($addressLiteral);
|
|
|
|
if (false === $addressLiteral) {
|
|
return $addressLiteral;
|
|
}
|
|
|
|
if (!$IPv6TAG) {
|
|
$this->warnings[DomainLiteral::CODE] = new DomainLiteral();
|
|
return $addressLiteral;
|
|
}
|
|
|
|
$this->warnings[AddressLiteral::CODE] = new AddressLiteral();
|
|
|
|
$this->checkIPV6Tag($addressLiteral);
|
|
|
|
return $addressLiteral;
|
|
}
|
|
|
|
protected function checkIPV4Tag($addressLiteral)
|
|
{
|
|
$matchesIP = array();
|
|
|
|
// Extract IPv4 part from the end of the address-literal (if there is one)
|
|
if (preg_match(
|
|
'/\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/',
|
|
$addressLiteral,
|
|
$matchesIP
|
|
) > 0
|
|
) {
|
|
$index = strrpos($addressLiteral, $matchesIP[0]);
|
|
if ($index === 0) {
|
|
$this->warnings[AddressLiteral::CODE] = new AddressLiteral();
|
|
return false;
|
|
}
|
|
// Convert IPv4 part to IPv6 format for further testing
|
|
$addressLiteral = substr($addressLiteral, 0, $index) . '0:0';
|
|
}
|
|
|
|
return $addressLiteral;
|
|
}
|
|
|
|
protected function checkDomainPartExceptions($prev)
|
|
{
|
|
$invalidDomainTokens = array(
|
|
EmailLexer::S_DQUOTE => true,
|
|
EmailLexer::S_SEMICOLON => true,
|
|
EmailLexer::S_GREATERTHAN => true,
|
|
EmailLexer::S_LOWERTHAN => true,
|
|
);
|
|
|
|
if (isset($invalidDomainTokens[$this->lexer->token['type']])) {
|
|
throw new ExpectingATEXT();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_COMMA) {
|
|
throw new CommaInDomain();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_AT) {
|
|
throw new ConsecutiveAt();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_OPENQBRACKET && $prev['type'] !== EmailLexer::S_AT) {
|
|
throw new ExpectingATEXT();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN && $this->lexer->isNextToken(EmailLexer::S_DOT)) {
|
|
throw new DomainHyphened();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH
|
|
&& $this->lexer->isNextToken(EmailLexer::GENERIC)) {
|
|
throw new ExpectingATEXT();
|
|
}
|
|
}
|
|
|
|
protected function hasBrackets()
|
|
{
|
|
if ($this->lexer->token['type'] !== EmailLexer::S_OPENBRACKET) {
|
|
return false;
|
|
}
|
|
|
|
try {
|
|
$this->lexer->find(EmailLexer::S_CLOSEBRACKET);
|
|
} catch (\RuntimeException $e) {
|
|
throw new ExpectingDomainLiteralClose();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
protected function checkLabelLength($prev)
|
|
{
|
|
if ($this->lexer->token['type'] === EmailLexer::S_DOT &&
|
|
$prev['type'] === EmailLexer::GENERIC &&
|
|
strlen($prev['value']) > 63
|
|
) {
|
|
$this->warnings[LabelTooLong::CODE] = new LabelTooLong();
|
|
}
|
|
}
|
|
|
|
protected function parseDomainComments()
|
|
{
|
|
$this->isUnclosedComment();
|
|
while (!$this->lexer->isNextToken(EmailLexer::S_CLOSEPARENTHESIS)) {
|
|
$this->warnEscaping();
|
|
$this->lexer->moveNext();
|
|
}
|
|
|
|
$this->lexer->moveNext();
|
|
if ($this->lexer->isNextToken(EmailLexer::S_DOT)) {
|
|
throw new ExpectingATEXT();
|
|
}
|
|
}
|
|
|
|
protected function addTLDWarnings()
|
|
{
|
|
if ($this->warnings[DomainLiteral::CODE]) {
|
|
$this->warnings[TLD::CODE] = new TLD();
|
|
}
|
|
}
|
|
}
|