Merge pull request #33 from egulias/32_strict_and_dns_bug

#32 - Fixed usage of DNS check and strict parameter

README.md

@@ -1,8 +1,13 @@
-EmailValidator [![Build Status](https://travis-ci.org/egulias/EmailValidator.png?branch=master)](https://travis-ci.org/egulias/EmailValidator) [![Coverage Status](https://coveralls.io/repos/egulias/EmailValidator/badge.png?branch=master)](https://coveralls.io/r/egulias/EmailValidator?branch=master) [![SensioLabsInsight](https://insight.sensiolabs.com/projects/b18d473e-bd5a-4d88-a7b2-7aeaee0ebd7b/small.png)](https://insight.sensiolabs.com/projects/b18d473e-bd5a-4d88-a7b2-7aeaee0ebd7b)[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/egulias/EmailValidator/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/egulias/EmailValidator/?branch=master)
+EmailValidator [![Build Status](https://travis-ci.org/egulias/EmailValidator.png?branch=master)](https://travis-ci.org/egulias/EmailValidator) [![Coverage Status](https://coveralls.io/repos/egulias/EmailValidator/badge.png?branch=master)](https://coveralls.io/r/egulias/EmailValidator?branch=master) [![SensioLabsInsight](https://insight.sensiolabs.com/projects/22ba6692-9c02-42e5-a65d-1c5696bfffc6/small.png)](https://insight.sensiolabs.com/projects/22ba6692-9c02-42e5-a65d-1c5696bfffc6)[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/egulias/EmailValidator/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/egulias/EmailValidator/?branch=master)
 =============================
 
 ##Installation##
-Install via composer. Add to your current compooser.json ```require``` key: ```"egulias/email-validator":"1.0.x-dev" ```
+
+Run the command below to install via Composer
+
+```shell
+composer require egulias/email-validator
+```
 
 ##Usage##
 
@@ -24,7 +29,7 @@ More advanced example (returns detailed diagnostic error codes):
 ```php
 <?php
 
-use egulias\EmailValidator\EmailValidator;
+use Egulias\EmailValidator\EmailValidator;
 
 $validator = new EmailValidator;
 $email = 'dominic@sayers.cc';
@@ -46,6 +51,6 @@ As this is a port from another library and work, here are other people related t
 * Josepf Bielawski [@stloyd](http://github.com/stloyd):      		For its first re-work of Dominic's lib
 * Dominic Sayers [@dominicsayers](http://github.com/dominicsayers):  	The original isemail function
 
-##Licence##
+##License##
-Released under the MIT Licence attached with this code.
+Released under the MIT License attached with this code.
 

composer.json

@@ -10,7 +10,7 @@
   ],
   "extra": {
     "branch-alias": {
-      "dev-master": "1.0.x-dev"
+      "dev-master": "1.3.x-dev"
     }
   },
   "require":      {

composer.lock

@@ -1,9 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file"
+        "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
     ],
-    "hash": "cca347a6b95164b1121e034b95f824ec",
+    "hash": "9e9dff0cc08c7292600453e681201e13",
     "packages": [
         {
             "name": "doctrine/lexer",
@@ -61,16 +62,16 @@
     "packages-dev": [
         {
             "name": "guzzle/guzzle",
-            "version": "v3.9.1",
+            "version": "v3.9.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle3.git",
-                "reference": "92d9934f2fca1da15178c91239576ae26e505e60"
+                "reference": "54991459675c1a2924122afbb0e5609ade581155"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle3/zipball/92d9934f2fca1da15178c91239576ae26e505e60",
+                "url": "https://api.github.com/repos/guzzle/guzzle3/zipball/54991459675c1a2924122afbb0e5609ade581155",
-                "reference": "92d9934f2fca1da15178c91239576ae26e505e60",
+                "reference": "54991459675c1a2924122afbb0e5609ade581155",
                 "shasum": ""
             },
             "require": {
@@ -114,7 +115,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.8-dev"
+                    "dev-master": "3.9-dev"
                 }
             },
             "autoload": {
@@ -149,7 +150,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2014-05-07 17:04:22"
+            "time": "2014-08-11 04:32:36"
         },
         {
             "name": "psr/log",
@@ -195,18 +196,18 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/satooshi/php-coveralls.git",
-                "reference": "b7271847c84d160f5b0aae83e45c225e8ffc96f4"
+                "reference": "94389a0ebdb64857d6899b5e0254dffa99e5aa96"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/satooshi/php-coveralls/zipball/b7271847c84d160f5b0aae83e45c225e8ffc96f4",
+                "url": "https://api.github.com/repos/satooshi/php-coveralls/zipball/94389a0ebdb64857d6899b5e0254dffa99e5aa96",
-                "reference": "b7271847c84d160f5b0aae83e45c225e8ffc96f4",
+                "reference": "94389a0ebdb64857d6899b5e0254dffa99e5aa96",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
                 "ext-simplexml": "*",
-                "guzzle/guzzle": ">=3.0",
+                "guzzle/guzzle": ">=2.7",
                 "php": ">=5.3",
                 "psr/log": "1.0.0",
                 "symfony/config": ">=2.0",
@@ -216,7 +217,7 @@
             },
             "require-dev": {
                 "apigen/apigen": "2.8.*@stable",
-                "pdepend/pdepend": "dev-master",
+                "pdepend/pdepend": "dev-master as 2.0.0",
                 "phpmd/phpmd": "dev-master",
                 "phpunit/php-invoker": ">=1.1.0,<1.2.0",
                 "phpunit/phpunit": "3.7.*@stable",
@@ -262,21 +263,21 @@
                 "github",
                 "test"
             ],
-            "time": "2014-05-14 13:09:37"
+            "time": "2014-07-09 10:45:38"
         },
         {
             "name": "symfony/config",
-            "version": "v2.4.5",
+            "version": "v2.5.4",
             "target-dir": "Symfony/Component/Config",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/Config.git",
-                "reference": "2effc67af6f21a0d267210b72d0b0b691d113528"
+                "reference": "080eabdc256c1d7a3a7cf6296271edb68eb1ab2b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Config/zipball/2effc67af6f21a0d267210b72d0b0b691d113528",
+                "url": "https://api.github.com/repos/symfony/Config/zipball/080eabdc256c1d7a3a7cf6296271edb68eb1ab2b",
-                "reference": "2effc67af6f21a0d267210b72d0b0b691d113528",
+                "reference": "080eabdc256c1d7a3a7cf6296271edb68eb1ab2b",
                 "shasum": ""
             },
             "require": {
@@ -286,7 +287,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "2.5-dev"
                 }
             },
             "autoload": {
@@ -299,49 +300,49 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com",
-                    "homepage": "http://fabien.potencier.org",
-                    "role": "Lead Developer"
-                },
                 {
                     "name": "Symfony Community",
                     "homepage": "http://symfony.com/contributors"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
                 }
             ],
             "description": "Symfony Config Component",
             "homepage": "http://symfony.com",
-            "time": "2014-04-22 08:11:06"
+            "time": "2014-08-31 03:22:04"
         },
         {
             "name": "symfony/console",
-            "version": "v2.4.5",
+            "version": "v2.5.4",
             "target-dir": "Symfony/Component/Console",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/Console.git",
-                "reference": "24f723436e62598c9dddee2a8573d6992504dc5d"
+                "reference": "748beed2a1e73179c3f5154d33fe6ae100c1aeb1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Console/zipball/24f723436e62598c9dddee2a8573d6992504dc5d",
+                "url": "https://api.github.com/repos/symfony/Console/zipball/748beed2a1e73179c3f5154d33fe6ae100c1aeb1",
-                "reference": "24f723436e62598c9dddee2a8573d6992504dc5d",
+                "reference": "748beed2a1e73179c3f5154d33fe6ae100c1aeb1",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "require-dev": {
+                "psr/log": "~1.0",
                 "symfony/event-dispatcher": "~2.1"
             },
             "suggest": {
+                "psr/log": "For using the console logger",
                 "symfony/event-dispatcher": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "2.5-dev"
                 }
             },
             "autoload": {
@@ -354,41 +355,42 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com",
-                    "homepage": "http://fabien.potencier.org",
-                    "role": "Lead Developer"
-                },
                 {
                     "name": "Symfony Community",
                     "homepage": "http://symfony.com/contributors"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
                 }
             ],
             "description": "Symfony Console Component",
             "homepage": "http://symfony.com",
-            "time": "2014-05-14 21:48:29"
+            "time": "2014-08-14 16:10:54"
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v2.4.5",
+            "version": "v2.5.4",
             "target-dir": "Symfony/Component/EventDispatcher",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/EventDispatcher.git",
-                "reference": "e539602e5455aa086c0e81e604745af7789e4d8a"
+                "reference": "8faf5cc7e80fde74a650a36e60d32ce3c3e0457b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/EventDispatcher/zipball/e539602e5455aa086c0e81e604745af7789e4d8a",
+                "url": "https://api.github.com/repos/symfony/EventDispatcher/zipball/8faf5cc7e80fde74a650a36e60d32ce3c3e0457b",
-                "reference": "e539602e5455aa086c0e81e604745af7789e4d8a",
+                "reference": "8faf5cc7e80fde74a650a36e60d32ce3c3e0457b",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "require-dev": {
-                "symfony/dependency-injection": "~2.0"
+                "psr/log": "~1.0",
+                "symfony/config": "~2.0",
+                "symfony/dependency-injection": "~2.0",
+                "symfony/stopwatch": "~2.2"
             },
             "suggest": {
                 "symfony/dependency-injection": "",
@@ -397,7 +399,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "2.5-dev"
                 }
             },
             "autoload": {
@@ -410,34 +412,32 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com",
-                    "homepage": "http://fabien.potencier.org",
-                    "role": "Lead Developer"
-                },
                 {
                     "name": "Symfony Community",
                     "homepage": "http://symfony.com/contributors"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
                 }
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "http://symfony.com",
-            "time": "2014-04-16 10:34:31"
+            "time": "2014-07-28 13:20:46"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v2.4.5",
+            "version": "v2.5.4",
             "target-dir": "Symfony/Component/Filesystem",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/Filesystem.git",
-                "reference": "a3af8294bcce4a7c1b2892363b0c9d8109affad4"
+                "reference": "a765efd199e02ff4001c115c318e219030be9364"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Filesystem/zipball/a3af8294bcce4a7c1b2892363b0c9d8109affad4",
+                "url": "https://api.github.com/repos/symfony/Filesystem/zipball/a765efd199e02ff4001c115c318e219030be9364",
-                "reference": "a3af8294bcce4a7c1b2892363b0c9d8109affad4",
+                "reference": "a765efd199e02ff4001c115c318e219030be9364",
                 "shasum": ""
             },
             "require": {
@@ -446,7 +446,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "2.5-dev"
                 }
             },
             "autoload": {
@@ -459,34 +459,32 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com",
-                    "homepage": "http://fabien.potencier.org",
-                    "role": "Lead Developer"
-                },
                 {
                     "name": "Symfony Community",
                     "homepage": "http://symfony.com/contributors"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
                 }
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "http://symfony.com",
-            "time": "2014-04-16 10:34:31"
+            "time": "2014-09-03 09:00:14"
         },
         {
             "name": "symfony/stopwatch",
-            "version": "v2.4.5",
+            "version": "v2.5.4",
             "target-dir": "Symfony/Component/Stopwatch",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/Stopwatch.git",
-                "reference": "343bcc0360f2c22f371884b8f6a9fee8d1aa431a"
+                "reference": "22ab4f76cdeefd38b00022a6be5709190a2fd046"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Stopwatch/zipball/343bcc0360f2c22f371884b8f6a9fee8d1aa431a",
+                "url": "https://api.github.com/repos/symfony/Stopwatch/zipball/22ab4f76cdeefd38b00022a6be5709190a2fd046",
-                "reference": "343bcc0360f2c22f371884b8f6a9fee8d1aa431a",
+                "reference": "22ab4f76cdeefd38b00022a6be5709190a2fd046",
                 "shasum": ""
             },
             "require": {
@@ -495,7 +493,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "2.5-dev"
                 }
             },
             "autoload": {
@@ -508,34 +506,32 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com",
-                    "homepage": "http://fabien.potencier.org",
-                    "role": "Lead Developer"
-                },
                 {
                     "name": "Symfony Community",
                     "homepage": "http://symfony.com/contributors"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
                 }
             ],
             "description": "Symfony Stopwatch Component",
             "homepage": "http://symfony.com",
-            "time": "2014-04-18 20:37:09"
+            "time": "2014-08-14 16:10:54"
         },
         {
             "name": "symfony/yaml",
-            "version": "v2.4.5",
+            "version": "v2.5.4",
             "target-dir": "Symfony/Component/Yaml",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/Yaml.git",
-                "reference": "fd22bb88c3a6f73c898b39bec185a9e211b06265"
+                "reference": "01a7695bcfb013d0a15c6757e15aae120342986f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Yaml/zipball/fd22bb88c3a6f73c898b39bec185a9e211b06265",
+                "url": "https://api.github.com/repos/symfony/Yaml/zipball/01a7695bcfb013d0a15c6757e15aae120342986f",
-                "reference": "fd22bb88c3a6f73c898b39bec185a9e211b06265",
+                "reference": "01a7695bcfb013d0a15c6757e15aae120342986f",
                 "shasum": ""
             },
             "require": {
@@ -544,7 +540,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "2.5-dev"
                 }
             },
             "autoload": {
@@ -557,20 +553,18 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com",
-                    "homepage": "http://fabien.potencier.org",
-                    "role": "Lead Developer"
-                },
                 {
                     "name": "Symfony Community",
                     "homepage": "http://symfony.com/contributors"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
                 }
             ],
             "description": "Symfony Yaml Component",
             "homepage": "http://symfony.com",
-            "time": "2014-05-12 09:27:48"
+            "time": "2014-08-31 03:22:04"
         }
     ],
     "aliases": [
@@ -580,6 +574,7 @@
     "stability-flags": {
         "satooshi/php-coveralls": 20
     },
+    "prefer-stable": false,
     "platform": {
         "php": ">= 5.3.3"
     },

src/Egulias/EmailValidator/EmailLexer.php

@@ -31,10 +31,13 @@ class EmailLexer extends AbstractLexer
     const S_SEMICOLON        = 275;
     const S_OPENQBRACKET     = 276;
     const S_CLOSEQBRACKET    = 277;
+    const S_SLASH            = 278;
     const S_EMPTY            = null;
     const GENERIC            = 300;
     const CRLF               = 301;
     const INVALID            = 302;
+    const ASCII_INVALID_FROM = 127;
+    const ASCII_INVALID_TO   = 199;
 
     /**
      * US-ASCII visible characters not valid for atext (@link http://tools.ietf.org/html/rfc5322#section-3.2.3)
@@ -52,6 +55,7 @@ class EmailLexer extends AbstractLexer
         ';'    => self::S_SEMICOLON,
         '@'    => self::S_AT,
         '\\'   => self::S_BACKSLASH,
+        '/'    => self::S_SLASH,
         ','    => self::S_COMMA,
         '.'    => self::S_DOT,
         '"'    => self::S_DQUOTE,
@@ -67,14 +71,31 @@ class EmailLexer extends AbstractLexer
         '>'    => self::S_GREATERTHAN,
         '{'    => self::S_OPENQBRACKET,
         '}'    => self::S_CLOSEQBRACKET,
-        ''     => self::S_EMPTY
+        ''     => self::S_EMPTY,
+        '\0'   => self::C_NUL,
     );
 
+    protected $invalidASCII = array(226 => 1,);
+
+    protected $hasInvalidTokens = false;
+
     protected $previous;
 
+    public function reset()
+    {
+        $this->hasInvalidTokens = false;
+        parent::reset();
+    }
+
+    public function hasInvalidTokens()
+    {
+        return $this->hasInvalidTokens;
+    }
+
     /**
      * @param $type
      * @throws \UnexpectedValueException
+     * @return boolean
      */
     public function find($type)
     {
@@ -84,6 +105,7 @@ class EmailLexer extends AbstractLexer
         if (!$search->lookahead) {
             throw new \UnexpectedValueException($type . ' not found');
         }
+        return true;
     }
 
     /**
@@ -99,7 +121,7 @@ class EmailLexer extends AbstractLexer
     /**
      * moveNext
      *
-     * @return mixed
+     * @return boolean
      */
     public function moveNext()
     {
@@ -111,25 +133,25 @@ class EmailLexer extends AbstractLexer
     /**
      * Lexical catchable patterns.
      *
-     * @return array
+     * @return string[]
      */
     protected function getCatchablePatterns()
     {
         return array(
-            '[a-zA-Z_]+[4,6]?',
+            '[a-zA-Z_]+[46]?',
             '[0-9]+',
             '\r\n',
             '::',
             '\s+',
-            '[\x1-\x1F]+',
+            '[\x10-\x1F]+',
-            '.'
+            '.',
             );
     }
 
     /**
      * Lexical non-catchable patterns.
      *
-     * @return array
+     * @return string[]
      */
     protected function getNonCatchablePatterns()
     {
@@ -145,14 +167,48 @@ class EmailLexer extends AbstractLexer
      */
     protected function getType(&$value)
     {
+
+        if ($this->isNullType($value)) {
+            return self::C_NUL;
+        }
+
         if (isset($this->charValue[$value])) {
             return $this->charValue[$value];
         }
 
-        if (preg_match('/[\x1-\x1F]+/', $value)) {
+        if ($this->isInvalid($value)) {
+            $this->hasInvalidTokens = true;
             return self::INVALID;
         }
 
         return  self::GENERIC;
     }
+
+    /**
+     * @param string $value
+     */
+    protected function isNullType($value)
+    {
+        if ($value === "\0") {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * @param string $value
+     */
+    protected function isInvalid($value)
+    {
+        if (preg_match('/[\x10-\x1F]+/', $value)) {
+            return true;
+        }
+
+        if (isset($this->invalidASCII[ord($value)])) {
+            return true;
+        }
+
+        return false;
+    }
 }

src/Egulias/EmailValidator/EmailParser.php

@@ -28,6 +28,9 @@ class EmailParser
         $this->domainPartParser = new DomainPart($this->lexer);
     }
 
+    /**
+     * @param string $str
+     */
     public function parse($str)
     {
         $this->lexer->setInput($str);
@@ -36,6 +39,10 @@ class EmailParser
             throw new \InvalidArgumentException('ERR_NOLOCALPART');
         }
 
+        if ($this->lexer->hasInvalidTokens()) {
+            throw new \InvalidArgumentException('ERR_INVALID_ATEXT');
+        }
+
         $this->localPartParser->parse($str);
         $this->domainPartParser->parse($str);
 
@@ -78,6 +85,10 @@ class EmailParser
         return true;
     }
 
+    /**
+     * @param string $localPart
+     * @param string $parsedDomainPart
+     */
     protected function addLongEmailWarning($localPart, $parsedDomainPart)
     {
         if (strlen($localPart . '@' . $parsedDomainPart) > self::EMAIL_MAX_LENGTH) {

src/Egulias/EmailValidator/EmailValidator.php

@@ -2,8 +2,6 @@
 
 namespace Egulias\EmailValidator;
 
-use Egulias\EmailValidator\Parser\LocalPart;
-
 /**
  * EmailValidator
  *
@@ -97,7 +95,12 @@ class EmailValidator
             return false;
         }
 
-        return ($strict) ? (!$this->hasWarnings() && $dns) : true;
+        return ($strict) ? $this->checkStrict($dns) : true;
+    }
+
+    private function checkStrict($dns)
+    {
+         return !($this->hasWarnings() && !$dns);
     }
 
     /**
@@ -146,16 +149,9 @@ class EmailValidator
 
     protected function checkDNS()
     {
-        $checked = false;
+        $checked = true;
-        if (!function_exists('dns_get_record') && (
-            in_array(self::DNSWARN_NO_RECORD, $this->warnings) &&
-            in_array(self::DNSWARN_NO_MX_RECORD, $this->warnings)
-        )) {
-            return $checked;
-        }
 
         $result = checkdnsrr(trim($this->parser->getParsedDomainPart()), 'MX');
-        $checked = true;
 
         if (!$result) {
             $this->warnings[] = self::DNSWARN_NO_RECORD;

src/Egulias/EmailValidator/Parser/DomainPart.php

@@ -23,6 +23,9 @@ class DomainPart extends Parser
         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;
@@ -103,6 +106,10 @@ class DomainPart extends Parser
         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();
@@ -210,6 +217,9 @@ class DomainPart extends Parser
         return $addressLiteral;
     }
 
+    /**
+     * @param string $addressLiteral
+     */
     protected function checkIPV4Tag($addressLiteral)
     {
         $matchesIP  = array();
@@ -235,12 +245,18 @@ class DomainPart extends Parser
 
     protected function checkDomainPartExceptions($prev)
     {
+        if ($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');
         }
@@ -289,5 +305,4 @@ class DomainPart extends Parser
             throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
         }
     }
-
+}
-}

src/Egulias/EmailValidator/Parser/LocalPart.php

@@ -3,15 +3,17 @@
 namespace Egulias\EmailValidator\Parser;
 
 use Egulias\EmailValidator\EmailLexer;
-use Egulias\EmailValidator\Parser\Parser;
 use Egulias\EmailValidator\EmailValidator;
+use \InvalidArgumentException;
 
 
 class LocalPart extends Parser
 {
     public function parse($localPart)
     {
+        $parseDQuote = true;
         $closingQuote = false;
+
         while ($this->lexer->token['type'] !== EmailLexer::S_AT && $this->lexer->token) {
 
             if ($this->lexer->token['type'] === EmailLexer::S_DOT && !$this->lexer->getPrevious()) {
@@ -19,6 +21,9 @@ class LocalPart extends Parser
             }
 
             $closingQuote = $this->checkDQUOTE($closingQuote);
+            if ($closingQuote && $parseDQuote) {
+                $parseDQuote = $this->parseDoubleQuote();
+            }
 
             if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
                 $this->parseComments();
@@ -26,20 +31,15 @@ class LocalPart extends Parser
 
             $this->checkConsecutiveDots();
 
-            if ($this->lexer->token['type'] === EmailLexer::S_DOT && $this->lexer->isNextToken(EmailLexer::S_AT)) {
+            if (
+                $this->lexer->token['type'] === EmailLexer::S_DOT &&
+                $this->lexer->isNextToken(EmailLexer::S_AT)
+            ) {
                 throw new \InvalidArgumentException('ERR_DOT_END');
             }
 
             $this->warnEscaping();
-
+            $this->isInvalidToken($this->lexer->token, $closingQuote);
-            if ($this->lexer->isNextTokenAny(
-                array(
-                    EmailLexer::INVALID, EmailLexer::S_LOWERTHAN, EmailLexer::S_GREATERTHAN
-                )
-            )
-            ) {
-                throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
-            }
 
             if ($this->isFWS()) {
                 $this->parseFWS();
@@ -53,4 +53,70 @@ class LocalPart extends Parser
             $this->warnings[] = EmailValidator::RFC5322_LOCAL_TOOLONG;
         }
     }
+
+    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 && $this->lexer->token) {
+            $parseAgain = false;
+            if (isset($special[$this->lexer->token['type']]) && $setSpecialsWarning) {
+                $this->warnings[] = EmailValidator::CFWS_FWS;
+                $setSpecialsWarning = false;
+            }
+
+            $this->lexer->moveNext();
+
+            if (!$this->escaped() && isset($invalid[$this->lexer->token['type']])) {
+                throw new InvalidArgumentException("ERR_EXPECTED_ATEXT");
+            }
+        }
+
+        $prev = $this->lexer->getPrevious();
+
+        if ($prev['type'] === EmailLexer::S_BACKSLASH) {
+            if (!$this->checkDQUOTE(false)) {
+                throw new \InvalidArgumentException("ERR_UNCLOSED_DQUOTE");
+            }
+        }
+
+        if (!$this->lexer->isNextToken(EmailLexer::S_AT) && $prev['type'] !== EmailLexer::S_BACKSLASH) {
+            throw new \InvalidArgumentException("ERR_EXPECED_AT");
+        }
+
+        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 \InvalidArgumentException('ERR_EXPECTING_ATEXT');
+        }
+    }
 }

src/Egulias/EmailValidator/Parser/Parser.php

@@ -102,6 +102,10 @@ abstract class Parser
 
     protected function isFWS()
     {
+        if ($this->escaped()) {
+            return false;
+        }
+
         if ($this->lexer->token['type'] === EmailLexer::S_SP ||
             $this->lexer->token['type'] === EmailLexer::S_HTAB ||
             $this->lexer->token['type'] === EmailLexer::S_CR ||
@@ -114,6 +118,20 @@ abstract class Parser
         return false;
     }
 
+    protected function escaped()
+    {
+        $previous = $this->lexer->getPrevious();
+
+        if ($previous['type'] === EmailLexer::S_BACKSLASH
+            &&
+            $this->lexer->token['type'] !== EmailLexer::GENERIC
+        ) {
+            return true;
+        }
+
+        return false;
+    }
+
     protected function warnEscaping()
     {
         if ($this->lexer->token['type'] !== EmailLexer::S_BACKSLASH) {
@@ -145,6 +163,7 @@ abstract class Parser
         if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous['type'] === EmailLexer::GENERIC) {
             throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
         }
+
         $this->warnings[] = EmailValidator::RFC5321_QUOTEDSTRING;
         try {
             $this->lexer->find(EmailLexer::S_DQUOTE);
@@ -168,4 +187,4 @@ abstract class Parser
             throw new \InvalidArgumentException("ERR_FWS_CRLF_END");
         }
     }
-}
+}

tests/egulias/Tests/EmailValidator/EmailLexerTest.php

@@ -36,6 +36,23 @@ class EmailLexerTests extends \PHPUnit_Framework_TestCase
         $this->assertEquals(EmailLexer::S_HTAB, $lexer->token['type']);
     }
 
+    public function testLexerSearchToken()
+    {
+        $lexer = new EmailLexer();
+        $lexer->setInput("foo\tbar");
+        $lexer->moveNext();
+        $this->assertTrue($lexer->find(EmailLexer::S_HTAB));
+    }
+
+    public function testLexerHasInvalidTokens()
+    {
+        $lexer = new EmailLexer();
+        $lexer->setInput(chr(226));
+        $lexer->moveNext();
+        $lexer->moveNext();
+        $this->assertTrue($lexer->hasInvalidTokens());
+    }
+
     public function getTokens()
     {
         return array(
@@ -53,6 +70,7 @@ class EmailLexerTests extends \PHPUnit_Framework_TestCase
             array("\"", EmailLexer::S_DQUOTE),
             array("-", EmailLexer::S_HYPHEN),
             array("\\", EmailLexer::S_BACKSLASH),
+            array("/", EmailLexer::S_SLASH),
             array("(", EmailLexer::S_OPENPARENTHESIS),
             array(")", EmailLexer::S_CLOSEPARENTHESIS),
             array('<', EmailLexer::S_LOWERTHAN),
@@ -66,7 +84,9 @@ class EmailLexerTests extends \PHPUnit_Framework_TestCase
             array('{', EmailLexer::S_OPENQBRACKET),
             array('}', EmailLexer::S_CLOSEQBRACKET),
             array('',  EmailLexer::S_EMPTY),
-            array(chr(31),  EmailLexer::INVALID)
+            array(chr(31),  EmailLexer::INVALID),
+            array(chr(226),  EmailLexer::INVALID),
+            array(chr(0),  EmailLexer::C_NUL)
         );
     }
 }

tests/egulias/Tests/EmailValidator/EmailValidatorTest.php

@@ -34,18 +34,26 @@ class EmailValidatorTest extends \PHPUnit_Framework_TestCase
             array('fabien_potencier@example.fr'),
             array('example@localhost'),
             array('fab\'ien@symfony.com'),
+            array('fab\ ien@symfony.com'),
             array('example((example))@fakedfake.co.uk'),
             array('example@faked(fake).co.uk'),
             array('fabien+@symfony.com'),
             array('инфо@письмо.рф'),
-
+            array('"username"@example.com'),
+            array('"user,name"@example.com'),
+            array('"user name"@example.com'),
+            array('"user@name"@example.com'),
+            array('"\a"@iana.org'),
+            array('"test\ test"@iana.org'),
+            array('""@iana.org'),
+            array('"\""@iana.org'),
         );
     }
 
     /**
      * @dataProvider getInvalidEmails
      */
-    public function testAInvalidEmails($email)
+    public function testInvalidEmails($email)
     {
         $this->assertFalse($this->validator->isValid($email));
     }
@@ -53,9 +61,10 @@ class EmailValidatorTest extends \PHPUnit_Framework_TestCase
     public function getInvalidEmails()
     {
         return array(
+
             array('example.@example.co.uk'),
             array('example@example@example.co.uk'),
-            array('(fabien_potencier@example.fr)'),
+            array('(test_exampel@example.fr)'),
             array('example(example)example@example.co.uk'),
             array('.example@localhost'),
             array('ex\ample@localhost'),
@@ -65,6 +74,30 @@ class EmailValidatorTest extends \PHPUnit_Framework_TestCase
             array('username@ example . com'),
             array('example@(fake).com'),
             array('example@(fake.com'),
+            array('username@example,com'),
+            array('usern,ame@example.com'),
+            array('user[na]me@example.com'),
+            array('"""@iana.org'),
+            array('"\"@iana.org'),
+            array('"test"test@iana.org'),
+            array('"test""test"@iana.org'),
+            array('"test"."test"@iana.org'),
+            array('"test".test@iana.org'),
+            array('"test"' . chr(0) . '@iana.org'),
+            array('"test\"@iana.org'),
+            array(chr(226) . '@iana.org'),
+            array('test@' . chr(226) . '.org'),
+            array('\r\ntest@iana.org'),
+            array('\r\n test@iana.org'),
+            array('\r\n \r\ntest@iana.org'),
+            array('\r\n \r\ntest@iana.org'),
+            array('\r\n \r\n test@iana.org'),
+            array('test@iana.org \r\n'),
+            array('test@iana.org \r\n '),
+            array('test@iana.org \r\n \r\n'),
+            array('test@iana.org \r\n\r\n'),
+            array('test@iana.org  \r\n\r\n '),
+            array('test@iana/icann.org'),
         );
     }
 
@@ -104,14 +137,13 @@ class EmailValidatorTest extends \PHPUnit_Framework_TestCase
             array(EmailValidator::ERR_CR_NO_LF, "example@exa\rmple.co.uk"),
             array(EmailValidator::ERR_CR_NO_LF, "example@[\r]"),
             array(EmailValidator::ERR_CR_NO_LF, "exam\rple@example.co.uk"),
-            array(EmailValidator::ERR_CR_NO_LF, "\"\r\"@localhost"),
         );
     }
 
     /**
      * @dataProvider getInvalidEmailsWithWarnings
      */
-    public function testInvalidEmailsWithWarningsCheck($warnings, $email)
+    public function testValidEmailsWithWarningsCheck($warnings, $email)
     {
         $this->assertTrue($this->validator->isValid($email, true));
 
@@ -138,6 +170,13 @@ class EmailValidatorTest extends \PHPUnit_Framework_TestCase
                 ),
                 "\"\t\"@example.co.uk"
             ),
+            array(
+                array(
+                    EmailValidator::RFC5321_QUOTEDSTRING,
+                    EmailValidator::CFWS_FWS,
+                ),
+                "\"\r\"@example.co.uk"
+            ),
             array(
                 array(
                     EmailValidator::RFC5321_ADDRESSLITERAL,
@@ -264,4 +303,14 @@ class EmailValidatorTest extends \PHPUnit_Framework_TestCase
             ),
         );
     }
+
+    public function testInvalidEmailsWithDNSAndStrict()
+    {
+        $this->assertFalse($this->validator->isValid('test@test', true, true));
+    }
+
+    public function testInvalidEmailsWithStrict()
+    {
+        $this->assertFalse($this->validator->isValid('"test"@test', false, true));
+    }
 }