DomainPart.php in Zircon Profile 8

Namespace

Egulias\EmailValidator\Parser

File

vendor/egulias/email-validator/src/Egulias/EmailValidator/Parser/DomainPart.php

<?php

namespace Egulias\EmailValidator\Parser;

use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Parser\Parser;
use Egulias\EmailValidator\EmailValidator;
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 \InvalidArgumentException('ERR_DOT_START');
    }
    if ($this->lexer->token['type'] === EmailLexer::S_EMPTY) {
      throw new \InvalidArgumentException('ERR_NODOMAIN');
    }
    if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN) {
      throw new \InvalidArgumentException('ERR_DOMAINHYPHENEND');
    }
    if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
      $this->warnings[] = EmailValidator::DEPREC_COMMENT;
      $this
        ->parseDomainComments();
    }
    $domain = $this
      ->doParseDomainPart();
    $prev = $this->lexer
      ->getPrevious();
    $length = strlen($domain);
    if ($prev['type'] === EmailLexer::S_DOT) {
      throw new \InvalidArgumentException('ERR_DOT_END');
    }
    if ($prev['type'] === EmailLexer::S_HYPHEN) {
      throw new \InvalidArgumentException('ERR_DOMAINHYPHENEND');
    }
    if ($length > self::DOMAIN_MAX_LENGTH) {
      $this->warnings[] = EmailValidator::RFC5322_DOMAIN_TOOLONG;
    }
    if ($prev['type'] === EmailLexer::S_CR) {
      throw new \InvalidArgumentException('ERR_FWS_CRLF_END');
    }
    $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[] = EmailValidator::RFC5322_IPV6_COLONEND;
    }
    $IPv6 = substr($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) {
      $this->warnings[] = EmailValidator::RFC5322_IPV6_BADCHAR;
    }
    if ($colons === false) {

      // We need exactly the right number of groups
      if ($groupCount !== $maxGroups) {
        $this->warnings[] = EmailValidator::RFC5322_IPV6_GRPCOUNT;
      }
      return;
    }
    if ($colons !== strrpos($IPv6, '::')) {
      $this->warnings[] = EmailValidator::RFC5322_IPV6_2X2XCOLON;
      return;
    }
    if ($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) {
      $this->warnings[] = EmailValidator::RFC5322_IPV6_MAXGRPS;
    }
    elseif ($groupCount === $maxGroups) {
      $this->warnings[] = EmailValidator::RFC5321_IPV6DEPRECATED;
    }
  }
  protected function doParseDomainPart() {
    $domain = '';
    do {
      $prev = $this->lexer
        ->getPrevious();
      if ($this->lexer->token['type'] === EmailLexer::S_SLASH) {
        throw new \InvalidArgumentException('ERR_DOMAIN_CHAR_NOT_ALLOWED');
      }
      if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
        $this
          ->parseComments();
        $this->lexer
          ->moveNext();
      }
      $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 $domain;
  }
  protected function parseDomainLiteral() {
    if ($this->lexer
      ->isNextToken(EmailLexer::S_COLON)) {
      $this->warnings[] = EmailValidator::RFC5322_IPV6_COLONSTRT;
    }
    if ($this->lexer
      ->isNextToken(EmailLexer::S_IPV6TAG)) {
      $lexer = clone $this->lexer;
      $lexer
        ->moveNext();
      if ($lexer
        ->isNextToken(EmailLexer::S_DOUBLECOLON)) {
        $this->warnings[] = EmailValidator::RFC5322_IPV6_COLONSTRT;
      }
    }
    return $this
      ->doParseDomainLiteral();
  }
  protected function doParseDomainLiteral() {
    $IPv6TAG = false;
    $addressLiteral = '';
    do {
      if ($this->lexer->token['type'] === EmailLexer::C_NUL) {
        throw new \InvalidArgumentException('ERR_EXPECTING_DTEXT');
      }
      if ($this->lexer->token['type'] === EmailLexer::INVALID || $this->lexer->token['type'] === EmailLexer::C_DEL || $this->lexer->token['type'] === EmailLexer::S_LF) {
        $this->warnings[] = EmailValidator::RFC5322_DOMLIT_OBSDTEXT;
      }
      if ($this->lexer
        ->isNextTokenAny(array(
        EmailLexer::S_OPENQBRACKET,
        EmailLexer::S_OPENBRACKET,
      ))) {
        throw new \InvalidArgumentException('ERR_EXPECTING_DTEXT');
      }
      if ($this->lexer
        ->isNextTokenAny(array(
        EmailLexer::S_HTAB,
        EmailLexer::S_SP,
        $this->lexer->token['type'] === EmailLexer::CRLF,
      ))) {
        $this->warnings[] = EmailValidator::CFWS_FWS;
        $this
          ->parseFWS();
      }
      if ($this->lexer
        ->isNextToken(EmailLexer::S_CR)) {
        throw new \InvalidArgumentException("ERR_CR_NO_LF");
      }
      if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH) {
        $this->warnings[] = EmailValidator::RFC5322_DOMLIT_OBSDTEXT;
        $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[] = EmailValidator::RFC5322_DOMAINLITERAL;
      return $addressLiteral;
    }
    $this->warnings[] = EmailValidator::RFC5321_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[] = EmailValidator::RFC5321_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[$this->lexer->token['type']])) {
      throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
    }
    if ($this->lexer->token['type'] === EmailLexer::S_COMMA) {
      throw new \InvalidArgumentException('ERR_COMMA_IN_DOMAIN');
    }
    if ($this->lexer->token['type'] === EmailLexer::S_AT) {
      throw new \InvalidArgumentException('ERR_CONSECUTIVEATS');
    }
    if ($this->lexer->token['type'] === EmailLexer::S_OPENQBRACKET && $prev['type'] !== EmailLexer::S_AT) {
      throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
    }
    if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN && $this->lexer
      ->isNextToken(EmailLexer::S_DOT)) {
      throw new \InvalidArgumentException('ERR_DOMAINHYPHENEND');
    }
    if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH && $this->lexer
      ->isNextToken(EmailLexer::GENERIC)) {
      throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
    }
  }
  protected function hasBrackets() {
    if ($this->lexer->token['type'] !== EmailLexer::S_OPENBRACKET) {
      return false;
    }
    try {
      $this->lexer
        ->find(EmailLexer::S_CLOSEBRACKET);
    } catch (\RuntimeException $e) {
      throw new \InvalidArgumentException('ERR_EXPECTING_DOMLIT_CLOSE');
    }
    return true;
  }
  protected function checkLabelLength($prev) {
    if ($this->lexer->token['type'] === EmailLexer::S_DOT && $prev['type'] === EmailLexer::GENERIC && strlen($prev['value']) > 63) {
      $this->warnings[] = EmailValidator::RFC5322_LABEL_TOOLONG;
    }
  }
  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 \InvalidArgumentException('ERR_EXPECTING_ATEXT');
    }
  }

}

Classes

Name	Description
DomainPart