From ed2054f4f256aa1acfa448ef38e9a2a033c28c60 Mon Sep 17 00:00:00 2001
From: euromark <euromark@web.de>
Date: Sun, 13 Oct 2013 23:43:29 +0200
Subject: [PATCH] Allow international domains to pass validation. Fixes #1763

---
 lib/Cake/Test/Case/Utility/ValidationTest.php | 8 +++++++-
 lib/Cake/Utility/Validation.php               | 6 +++---
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/lib/Cake/Test/Case/Utility/ValidationTest.php b/lib/Cake/Test/Case/Utility/ValidationTest.php
index 7838e713cd6..7c325c33322 100644
--- a/lib/Cake/Test/Case/Utility/ValidationTest.php
+++ b/lib/Cake/Test/Case/Utility/ValidationTest.php
@@ -1708,6 +1708,11 @@ public function testEmail() {
 		$this->assertTrue(Validation::email('!def!xyz%abc@example.com'));
 		$this->assertTrue(Validation::email('_somename@example.com'));
 
+		/// Unicode
+		$this->assertTrue(Validation::email('some@eräume.foo'));
+		$this->assertTrue(Validation::email('äu@öe.eräume.foo'));
+		$this->assertTrue(Validation::email('Nyrée.surname@example.com'));
+
 		// invalid addresses
 		$this->assertFalse(Validation::email('abc@example'));
 		$this->assertFalse(Validation::email('abc@example.c'));
@@ -1725,7 +1730,6 @@ public function testEmail() {
 		$this->assertFalse(Validation::email("abc@sub'example.com"));
 		$this->assertFalse(Validation::email('abc@sub/example.com'));
 		$this->assertFalse(Validation::email('abc@yahoo!.com'));
-		$this->assertFalse(Validation::email("Nyrée.surname@example.com"));
 		$this->assertFalse(Validation::email('abc@example_underscored.com'));
 		$this->assertFalse(Validation::email('raw@test.ra.ru....com'));
 	}
@@ -1904,6 +1908,8 @@ public function testUrl() {
 		$this->assertTrue(Validation::url('http://www.zwischenraume.cz'));
 		$this->assertTrue(Validation::url('http://www.last.fm/music/浜崎あゆみ'), 'utf8 path failed');
 		$this->assertTrue(Validation::url('http://www.electrohome.ro/images/239537750-284232-215_300[1].jpg'));
+		$this->assertTrue(Validation::url('http://www.eräume.foo'));
+		$this->assertTrue(Validation::url('http://äüö.eräume.foo'));
 
 		$this->assertTrue(Validation::url('http://cakephp.org:80'));
 		$this->assertTrue(Validation::url('http://cakephp.org:443'));
diff --git a/lib/Cake/Utility/Validation.php b/lib/Cake/Utility/Validation.php
index 9a803e5623f..f88e3636971 100644
--- a/lib/Cake/Utility/Validation.php
+++ b/lib/Cake/Utility/Validation.php
@@ -39,7 +39,7 @@ class Validation {
  * @var array
  */
 	protected static $_pattern = array(
-		'hostname' => '(?:[_a-z0-9][-_a-z0-9]*\.)*(?:[a-z0-9][-a-z0-9]{0,62})\.(?:(?:[a-z]{2}\.)?[a-z]{2,})'
+		'hostname' => '(?:[_\p{L}0-9][-_\p{L}0-9]*\.)*(?:[\p{L}0-9][-\p{L}0-9]{0,62})\.(?:(?:[a-z]{2}\.)?[a-z]{2,})'
 	);
 
 /**
@@ -431,7 +431,7 @@ public static function email($check, $deep = false, $regex = null) {
 		}
 
 		if ($regex === null) {
-			$regex = '/^[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+)*@' . self::$_pattern['hostname'] . '$/i';
+			$regex = '/^[\p{L}0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[\p{L}0-9!#$%&\'*+\/=?^_`{|}~-]+)*@' . self::$_pattern['hostname'] . '$/ui';
 		}
 		$return = self::_check($check, $regex);
 		if ($deep === false || $deep === null) {
@@ -756,7 +756,7 @@ public static function ssn($check, $regex = null, $country = null) {
  */
 	public static function url($check, $strict = false) {
 		self::_populateIp();
-		$validChars = '([' . preg_quote('!"$&\'()*+,-.@_:;=~[]') . '\/0-9a-z\p{L}\p{N}]|(%[0-9a-f]{2}))';
+		$validChars = '([' . preg_quote('!"$&\'()*+,-.@_:;=~[]') . '\/0-9\p{L}\p{N}]|(%[0-9a-f]{2}))';
 		$regex = '/^(?:(?:https?|ftps?|sftp|file|news|gopher):\/\/)' . (!empty($strict) ? '' : '?') .
 			'(?:' . self::$_pattern['IPv4'] . '|\[' . self::$_pattern['IPv6'] . '\]|' . self::$_pattern['hostname'] . ')(?::[1-9][0-9]{0,4})?' .
 			'(?:\/?|\/' . $validChars . '*)?' .