From a2554975a42242877bf69be7eddf238754016819 Mon Sep 17 00:00:00 2001
From: Eduardo Gulias Davis <me@egulias.com>
Date: Wed, 11 May 2016 00:02:30 +0200
Subject: [PATCH] Changed invalid dns domains and backslash in domain

---
 .../EmailValidator/Parser/DomainPart.php        | 12 +++++++++---
 .../Tests/EmailValidator/EmailValidatorTest.php | 17 +++++++++--------
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/src/Egulias/EmailValidator/Parser/DomainPart.php b/src/Egulias/EmailValidator/Parser/DomainPart.php
index ba3a613..ab378c5 100644
--- a/src/Egulias/EmailValidator/Parser/DomainPart.php
+++ b/src/Egulias/EmailValidator/Parser/DomainPart.php
@@ -107,9 +107,7 @@ protected function doParseDomainPart()
         do {
             $prev = $this->lexer->getPrevious();
 
-            if ($this->lexer->token['type'] === EmailLexer::S_SLASH) {
-                throw new \InvalidArgumentException('ERR_DOMAIN_CHAR_NOT_ALLOWED');
-            }
+            $this->checkNotAllowedChars($this->lexer->token);
 
             if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
                 $this->parseComments();
@@ -148,6 +146,14 @@ protected function doParseDomainPart()
         return $domain;
     }
 
+    private function checkNotAllowedChars($token)
+    {
+        $notAllowed = [EmailLexer::S_BACKSLASH => true, EmailLexer::S_SLASH=> true];
+        if (isset($notAllowed[$token['type']])) {
+            throw new \InvalidArgumentException('ERR_DOMAIN_CHAR_NOT_ALLOWED');
+        }
+    }
+
     protected function parseDomainLiteral()
     {
         if ($this->lexer->isNextToken(EmailLexer::S_COLON)) {
diff --git a/tests/egulias/Tests/EmailValidator/EmailValidatorTest.php b/tests/egulias/Tests/EmailValidator/EmailValidatorTest.php
index b95b0f9..d6af584 100644
--- a/tests/egulias/Tests/EmailValidator/EmailValidatorTest.php
+++ b/tests/egulias/Tests/EmailValidator/EmailValidatorTest.php
@@ -88,6 +88,7 @@ public function getInvalidEmails()
             array('.example@localhost'),
             array('ex\ample@localhost'),
             array('example@local\host'),
+            array('example@localhost\\'),
             array('example@localhost.'),
             array('user name@example.com'),
             array('username@ example . com'),
@@ -201,21 +202,21 @@ public function getInvalidEmailsWithWarnings()
                     EmailValidator::DEPREC_CFWS_NEAR_AT,
                     EmailValidator::DNSWARN_NO_RECORD
                 ),
-                'example @example.co.uk'
+                'example @invalid.example.com'
             ),
             array(
                 array(
                     EmailValidator::DEPREC_CFWS_NEAR_AT,
                     EmailValidator::DNSWARN_NO_RECORD
                 ),
-                'example@ example.co.uk'
+                'example@ invalid.example.com'
             ),
             array(
                 array(
                     EmailValidator::CFWS_COMMENT,
                     EmailValidator::DNSWARN_NO_RECORD
                 ),
-                'example@example(examplecomment).co.uk'
+                'example@invalid.example(examplecomment).com'
             ),
             array(
                 array(
@@ -223,7 +224,7 @@ public function getInvalidEmailsWithWarnings()
                     EmailValidator::DEPREC_CFWS_NEAR_AT,
                     EmailValidator::DNSWARN_NO_RECORD,
                 ),
-                'example(examplecomment)@example.co.uk'
+                'example(examplecomment)@invalid.example.com'
             ),
             array(
                 array(
@@ -231,7 +232,7 @@ public function getInvalidEmailsWithWarnings()
                     EmailValidator::CFWS_FWS,
                     EmailValidator::DNSWARN_NO_RECORD,
                 ),
-                "\"\t\"@example.co.uk"
+                "\"\t\"@invalid.example.com"
             ),
             array(
                 array(
@@ -239,7 +240,7 @@ public function getInvalidEmailsWithWarnings()
                     EmailValidator::CFWS_FWS,
                     EmailValidator::DNSWARN_NO_RECORD
                 ),
-                "\"\r\"@example.co.uk"
+                "\"\r\"@invalid.example.com"
             ),
             array(
                 array(
@@ -331,14 +332,14 @@ public function getInvalidEmailsWithWarnings()
                     EmailValidator::RFC5321_QUOTEDSTRING,
                     EmailValidator::DNSWARN_NO_RECORD
                 ),
-                '"example"@example.co.uk'
+                '"example"@invalid.example.com'
             ),
             array(
                 array(
                     EmailValidator::RFC5322_LOCAL_TOOLONG,
                     EmailValidator::DNSWARN_NO_RECORD
                 ),
-                'too_long_localpart_too_long_localpart_too_long_localpart_too_long_localpart@example.co.uk'
+                'too_long_localpart_too_long_localpart_too_long_localpart_too_long_localpart@invalid.example.com'
             ),
             array(
                 array(