7 * This source file is subject to the new BSD license that is bundled
8 * with this package in the file LICENSE.txt.
9 * It is also available through the world-wide-web at this URL:
10 * http://framework.zend.com/license/new-bsd
11 * If you did not receive a copy of the license and are unable to
12 * obtain it through the world-wide-web, please send an email
13 * to license@zend.com so we can send you a copy immediately.
16 * @package Zend_Validate
17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
18 * @license http://framework.zend.com/license/new-bsd New BSD License
23 * @see Zend_Validate_Abstract
25 require_once 'Zend/Validate/Abstract.php';
29 * @package Zend_Validate
30 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
31 * @license http://framework.zend.com/license/new-bsd New BSD License
33 class Zend_Validate_Ip extends Zend_Validate_Abstract
35 const INVALID = 'ipInvalid';
36 const NOT_IP_ADDRESS = 'notIpAddress';
41 protected $_messageTemplates = array(
42 self::INVALID => "Invalid type given, value should be a string",
43 self::NOT_IP_ADDRESS => "'%value%' does not appear to be a valid IP address",
51 protected $_options = array(
57 * Sets validator options
59 * @param array $options OPTIONAL Options to set, see the manual for all available options
62 public function __construct($options = array())
64 if ($options instanceof Zend_Config) {
65 $options = $options->toArray();
66 } else if (!is_array($options)) {
67 $options = func_get_args();
68 $temp['allowipv6'] = array_shift($options);
69 if (!empty($options)) {
70 $temp['allowipv4'] = array_shift($options);
76 $options += $this->_options;
77 $this->setOptions($options);
81 * Returns all set options
85 public function getOptions()
87 return $this->_options;
91 * Sets the options for this validator
93 * @param array $options
94 * @return Zend_Validate_Ip
96 public function setOptions($options)
98 if (array_key_exists('allowipv6', $options)) {
99 $this->_options['allowipv6'] = (boolean) $options['allowipv6'];
102 if (array_key_exists('allowipv4', $options)) {
103 $this->_options['allowipv4'] = (boolean) $options['allowipv4'];
106 if (!$this->_options['allowipv4'] && !$this->_options['allowipv6']) {
107 require_once 'Zend/Validate/Exception.php';
108 throw new Zend_Validate_Exception('Nothing to validate. Check your options');
115 * Defined by Zend_Validate_Interface
117 * Returns true if and only if $value is a valid IP address
119 * @param mixed $value
122 public function isValid($value)
124 if (!is_string($value)) {
125 $this->_error(self::INVALID);
129 $this->_setValue($value);
130 if (($this->_options['allowipv4'] && !$this->_options['allowipv6'] && !$this->_validateIPv4($value)) ||
131 (!$this->_options['allowipv4'] && $this->_options['allowipv6'] && !$this->_validateIPv6($value)) ||
132 ($this->_options['allowipv4'] && $this->_options['allowipv6'] && !$this->_validateIPv4($value) && !$this->_validateIPv6($value))) {
133 $this->_error(self::NOT_IP_ADDRESS);
141 * Validates an IPv4 address
143 * @param string $value
145 protected function _validateIPv4($value) {
146 $ip2long = ip2long($value);
147 if($ip2long === false) {
151 return $value == long2ip($ip2long);
155 * Validates an IPv6 address
157 * @param string $value Value to check against
158 * @return boolean True when $value is a valid ipv6 address
161 protected function _validateIPv6($value) {
162 if (strlen($value) < 3) {
163 return $value == '::';
166 if (strpos($value, '.')) {
167 $lastcolon = strrpos($value, ':');
168 if (!($lastcolon && $this->_validateIPv4(substr($value, $lastcolon + 1)))) {
172 $value = substr($value, 0, $lastcolon) . ':0:0';
175 if (strpos($value, '::') === false) {
176 return preg_match('/\A(?:[a-f0-9]{1,4}:){7}[a-f0-9]{1,4}\z/i', $value);
179 $colonCount = substr_count($value, ':');
180 if ($colonCount < 8) {
181 return preg_match('/\A(?::|(?:[a-f0-9]{1,4}:)+):(?:(?:[a-f0-9]{1,4}:)*[a-f0-9]{1,4})?\z/i', $value);
184 // special case with ending or starting double colon
185 if ($colonCount == 8) {
186 return preg_match('/\A(?:::)?(?:[a-f0-9]{1,4}:){6}[a-f0-9]{1,4}(?:::)?\z/i', $value);