[5146] | 1 | <?php |
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| 2 | /** |
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| 3 | * Zend Framework |
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| 4 | * |
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| 5 | * LICENSE |
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| 6 | * |
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| 7 | * This source file is subject to the new BSD license that is bundled |
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| 8 | * with this package in the file LICENSE.txt. |
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| 9 | * It is also available through the world-wide-web at this URL: |
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| 10 | * http://framework.zend.com/license/new-bsd |
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| 11 | * If you did not receive a copy of the license and are unable to |
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| 12 | * obtain it through the world-wide-web, please send an email |
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| 13 | * to license@zend.com so we can send you a copy immediately. |
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| 14 | * |
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| 15 | * @category Zend |
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| 16 | * @package Zend_Validate |
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| 17 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 18 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 19 | * @version $Id: Ip.php 22668 2010-07-25 14:50:46Z thomas $ |
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| 20 | */ |
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| 21 | |
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| 22 | /** |
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| 23 | * @see Zend_Validate_Abstract |
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| 24 | */ |
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| 25 | require_once 'Zend/Validate/Abstract.php'; |
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| 26 | |
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| 27 | /** |
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| 28 | * @category Zend |
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| 29 | * @package Zend_Validate |
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| 30 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 31 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 32 | */ |
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| 33 | class Zend_Validate_Ip extends Zend_Validate_Abstract |
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| 34 | { |
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| 35 | const INVALID = 'ipInvalid'; |
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| 36 | const NOT_IP_ADDRESS = 'notIpAddress'; |
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| 37 | |
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| 38 | /** |
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| 39 | * @var array |
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| 40 | */ |
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| 41 | protected $_messageTemplates = array( |
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| 42 | self::INVALID => "Invalid type given. String expected", |
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| 43 | self::NOT_IP_ADDRESS => "'%value%' does not appear to be a valid IP address", |
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| 44 | ); |
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| 45 | |
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| 46 | /** |
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| 47 | * internal options |
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| 48 | * |
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| 49 | * @var array |
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| 50 | */ |
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| 51 | protected $_options = array( |
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| 52 | 'allowipv6' => true, |
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| 53 | 'allowipv4' => true |
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| 54 | ); |
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| 55 | |
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| 56 | /** |
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| 57 | * Sets validator options |
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| 58 | * |
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| 59 | * @param array $options OPTIONAL Options to set, see the manual for all available options |
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| 60 | * @return void |
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| 61 | */ |
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| 62 | public function __construct($options = array()) |
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| 63 | { |
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| 64 | if ($options instanceof Zend_Config) { |
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| 65 | $options = $options->toArray(); |
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| 66 | } else if (!is_array($options)) { |
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| 67 | $options = func_get_args(); |
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| 68 | $temp['allowipv6'] = array_shift($options); |
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| 69 | if (!empty($options)) { |
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| 70 | $temp['allowipv4'] = array_shift($options); |
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| 71 | } |
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| 72 | |
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| 73 | $options = $temp; |
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| 74 | } |
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| 75 | |
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| 76 | $options += $this->_options; |
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| 77 | $this->setOptions($options); |
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| 78 | } |
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| 79 | |
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| 80 | /** |
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| 81 | * Returns all set options |
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| 82 | * |
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| 83 | * @return array |
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| 84 | */ |
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| 85 | public function getOptions() |
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| 86 | { |
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| 87 | return $this->_options; |
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| 88 | } |
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| 89 | |
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| 90 | /** |
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| 91 | * Sets the options for this validator |
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| 92 | * |
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| 93 | * @param array $options |
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| 94 | * @return Zend_Validate_Ip |
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| 95 | */ |
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| 96 | public function setOptions($options) |
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| 97 | { |
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| 98 | if (array_key_exists('allowipv6', $options)) { |
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| 99 | $this->_options['allowipv6'] = (boolean) $options['allowipv6']; |
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| 100 | } |
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| 101 | |
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| 102 | if (array_key_exists('allowipv4', $options)) { |
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| 103 | $this->_options['allowipv4'] = (boolean) $options['allowipv4']; |
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| 104 | } |
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| 105 | |
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| 106 | if (!$this->_options['allowipv4'] && !$this->_options['allowipv6']) { |
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| 107 | require_once 'Zend/Validate/Exception.php'; |
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| 108 | throw new Zend_Validate_Exception('Nothing to validate. Check your options'); |
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| 109 | } |
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| 110 | |
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| 111 | return $this; |
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| 112 | } |
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| 113 | |
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| 114 | /** |
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| 115 | * Defined by Zend_Validate_Interface |
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| 116 | * |
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| 117 | * Returns true if and only if $value is a valid IP address |
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| 118 | * |
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| 119 | * @param mixed $value |
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| 120 | * @return boolean |
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| 121 | */ |
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| 122 | public function isValid($value) |
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| 123 | { |
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| 124 | if (!is_string($value)) { |
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| 125 | $this->_error(self::INVALID); |
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| 126 | return false; |
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| 127 | } |
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| 128 | |
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| 129 | $this->_setValue($value); |
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| 130 | if (($this->_options['allowipv4'] && !$this->_options['allowipv6'] && !$this->_validateIPv4($value)) || |
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| 131 | (!$this->_options['allowipv4'] && $this->_options['allowipv6'] && !$this->_validateIPv6($value)) || |
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| 132 | ($this->_options['allowipv4'] && $this->_options['allowipv6'] && !$this->_validateIPv4($value) && !$this->_validateIPv6($value))) { |
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| 133 | $this->_error(self::NOT_IP_ADDRESS); |
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| 134 | return false; |
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| 135 | } |
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| 136 | |
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| 137 | return true; |
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| 138 | } |
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| 139 | |
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| 140 | /** |
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| 141 | * Validates an IPv4 address |
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| 142 | * |
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| 143 | * @param string $value |
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| 144 | */ |
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| 145 | protected function _validateIPv4($value) { |
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| 146 | $ip2long = ip2long($value); |
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| 147 | if($ip2long === false) { |
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| 148 | return false; |
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| 149 | } |
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| 150 | |
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| 151 | return $value == long2ip($ip2long); |
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| 152 | } |
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| 153 | |
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| 154 | /** |
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| 155 | * Validates an IPv6 address |
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| 156 | * |
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| 157 | * @param string $value Value to check against |
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| 158 | * @return boolean True when $value is a valid ipv6 address |
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| 159 | * False otherwise |
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| 160 | */ |
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| 161 | protected function _validateIPv6($value) { |
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| 162 | if (strlen($value) < 3) { |
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| 163 | return $value == '::'; |
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| 164 | } |
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| 165 | |
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| 166 | if (strpos($value, '.')) { |
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| 167 | $lastcolon = strrpos($value, ':'); |
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| 168 | if (!($lastcolon && $this->_validateIPv4(substr($value, $lastcolon + 1)))) { |
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| 169 | return false; |
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| 170 | } |
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| 171 | |
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| 172 | $value = substr($value, 0, $lastcolon) . ':0:0'; |
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| 173 | } |
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| 174 | |
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| 175 | if (strpos($value, '::') === false) { |
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| 176 | return preg_match('/\A(?:[a-f0-9]{1,4}:){7}[a-f0-9]{1,4}\z/i', $value); |
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| 177 | } |
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| 178 | |
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| 179 | $colonCount = substr_count($value, ':'); |
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| 180 | if ($colonCount < 8) { |
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| 181 | return preg_match('/\A(?::|(?:[a-f0-9]{1,4}:)+):(?:(?:[a-f0-9]{1,4}:)*[a-f0-9]{1,4})?\z/i', $value); |
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| 182 | } |
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| 183 | |
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| 184 | // special case with ending or starting double colon |
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| 185 | if ($colonCount == 8) { |
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| 186 | return preg_match('/\A(?:::)?(?:[a-f0-9]{1,4}:){6}[a-f0-9]{1,4}(?:::)?\z/i', $value); |
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| 187 | } |
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| 188 | |
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| 189 | return false; |
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| 190 | } |
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| 191 | } |
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