139 lines
4.4 KiB
PHP
139 lines
4.4 KiB
PHP
<?php
|
|
|
|
namespace Egulias\EmailValidator\Parser;
|
|
|
|
use Egulias\EmailValidator\Exception\DotAtEnd;
|
|
use Egulias\EmailValidator\Exception\DotAtStart;
|
|
use Egulias\EmailValidator\EmailLexer;
|
|
use Egulias\EmailValidator\EmailValidator;
|
|
use Egulias\EmailValidator\Exception\ExpectingAT;
|
|
use Egulias\EmailValidator\Exception\ExpectingATEXT;
|
|
use Egulias\EmailValidator\Exception\UnclosedQuotedString;
|
|
use Egulias\EmailValidator\Exception\UnopenedComment;
|
|
use Egulias\EmailValidator\Warning\CFWSWithFWS;
|
|
use Egulias\EmailValidator\Warning\LocalTooLong;
|
|
|
|
class LocalPart extends Parser
|
|
{
|
|
public function parse($localPart)
|
|
{
|
|
$parseDQuote = true;
|
|
$closingQuote = false;
|
|
$openedParenthesis = 0;
|
|
|
|
while ($this->lexer->token['type'] !== EmailLexer::S_AT && null !== $this->lexer->token['type']) {
|
|
if ($this->lexer->token['type'] === EmailLexer::S_DOT && null === $this->lexer->getPrevious()['type']) {
|
|
throw new DotAtStart();
|
|
}
|
|
|
|
$closingQuote = $this->checkDQUOTE($closingQuote);
|
|
if ($closingQuote && $parseDQuote) {
|
|
$parseDQuote = $this->parseDoubleQuote();
|
|
}
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
|
|
$this->parseComments();
|
|
$openedParenthesis += $this->getOpenedParenthesis();
|
|
}
|
|
if ($this->lexer->token['type'] === EmailLexer::S_CLOSEPARENTHESIS) {
|
|
if ($openedParenthesis === 0) {
|
|
throw new UnopenedComment();
|
|
} else {
|
|
$openedParenthesis--;
|
|
}
|
|
}
|
|
|
|
$this->checkConsecutiveDots();
|
|
|
|
if ($this->lexer->token['type'] === EmailLexer::S_DOT &&
|
|
$this->lexer->isNextToken(EmailLexer::S_AT)
|
|
) {
|
|
throw new DotAtEnd();
|
|
}
|
|
|
|
$this->warnEscaping();
|
|
$this->isInvalidToken($this->lexer->token, $closingQuote);
|
|
|
|
if ($this->isFWS()) {
|
|
$this->parseFWS();
|
|
}
|
|
|
|
$this->lexer->moveNext();
|
|
}
|
|
|
|
$prev = $this->lexer->getPrevious();
|
|
if (strlen($prev['value']) > LocalTooLong::LOCAL_PART_LENGTH) {
|
|
$this->warnings[LocalTooLong::CODE] = new LocalTooLong();
|
|
}
|
|
}
|
|
|
|
protected function parseDoubleQuote()
|
|
{
|
|
$parseAgain = true;
|
|
$special = array(
|
|
EmailLexer::S_CR => true,
|
|
EmailLexer::S_HTAB => true,
|
|
EmailLexer::S_LF => true
|
|
);
|
|
|
|
$invalid = array(
|
|
EmailLexer::C_NUL => true,
|
|
EmailLexer::S_HTAB => true,
|
|
EmailLexer::S_CR => true,
|
|
EmailLexer::S_LF => true
|
|
);
|
|
$setSpecialsWarning = true;
|
|
|
|
$this->lexer->moveNext();
|
|
|
|
while ($this->lexer->token['type'] !== EmailLexer::S_DQUOTE && null !== $this->lexer->token['type']) {
|
|
$parseAgain = false;
|
|
if (isset($special[$this->lexer->token['type']]) && $setSpecialsWarning) {
|
|
$this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
|
|
$setSpecialsWarning = false;
|
|
}
|
|
if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH && $this->lexer->isNextToken(EmailLexer::S_DQUOTE)) {
|
|
$this->lexer->moveNext();
|
|
}
|
|
|
|
$this->lexer->moveNext();
|
|
|
|
if (!$this->escaped() && isset($invalid[$this->lexer->token['type']])) {
|
|
throw new ExpectingATEXT();
|
|
}
|
|
}
|
|
|
|
$prev = $this->lexer->getPrevious();
|
|
|
|
if ($prev['type'] === EmailLexer::S_BACKSLASH) {
|
|
if (!$this->checkDQUOTE(false)) {
|
|
throw new UnclosedQuotedString();
|
|
}
|
|
}
|
|
|
|
if (!$this->lexer->isNextToken(EmailLexer::S_AT) && $prev['type'] !== EmailLexer::S_BACKSLASH) {
|
|
throw new ExpectingAT();
|
|
}
|
|
|
|
return $parseAgain;
|
|
}
|
|
|
|
protected function isInvalidToken($token, $closingQuote)
|
|
{
|
|
$forbidden = array(
|
|
EmailLexer::S_COMMA,
|
|
EmailLexer::S_CLOSEBRACKET,
|
|
EmailLexer::S_OPENBRACKET,
|
|
EmailLexer::S_GREATERTHAN,
|
|
EmailLexer::S_LOWERTHAN,
|
|
EmailLexer::S_COLON,
|
|
EmailLexer::S_SEMICOLON,
|
|
EmailLexer::INVALID
|
|
);
|
|
|
|
if (in_array($token['type'], $forbidden) && !$closingQuote) {
|
|
throw new ExpectingATEXT();
|
|
}
|
|
}
|
|
}
|