"Invalid type given. String expected", self::NOT_IP_ADDRESS => "'%value%' does not appear to be a valid IP address", ); /** * internal options * * @var array */ protected $_options = array( 'allowipv6' => true, 'allowipv4' => true ); /** * Sets validator options * * @param array $options OPTIONAL Options to set, see the manual for all available options */ public function __construct($options = array()) { if ($options instanceof Postman_Zend_Config) { $options = $options->toArray(); } else if (!is_array($options)) { $options = func_get_args(); $temp['allowipv6'] = array_shift($options); if (!empty($options)) { $temp['allowipv4'] = array_shift($options); } $options = $temp; } $options += $this->_options; $this->setOptions($options); } /** * Returns all set options * * @return array */ public function getOptions() { return $this->_options; } /** * Sets the options for this validator * * @param array $options * @throws Postman_Zend_Validate_Exception * @return Postman_Zend_Validate_Ip */ public function setOptions($options) { if (array_key_exists('allowipv6', $options)) { $this->_options['allowipv6'] = (boolean) $options['allowipv6']; } if (array_key_exists('allowipv4', $options)) { $this->_options['allowipv4'] = (boolean) $options['allowipv4']; } if (!$this->_options['allowipv4'] && !$this->_options['allowipv6']) { // require_once 'Zend/Validate/Exception.php'; throw new Postman_Zend_Validate_Exception('Nothing to validate. Check your options'); } return $this; } /** * Defined by Postman_Zend_Validate_Interface * * Returns true if and only if $value is a valid IP address * * @param mixed $value * @return boolean */ public function isValid($value) { if (!is_string($value)) { $this->_error(self::INVALID); return false; } $this->_setValue($value); if (($this->_options['allowipv4'] && !$this->_options['allowipv6'] && !$this->_validateIPv4($value)) || (!$this->_options['allowipv4'] && $this->_options['allowipv6'] && !$this->_validateIPv6($value)) || ($this->_options['allowipv4'] && $this->_options['allowipv6'] && !$this->_validateIPv4($value) && !$this->_validateIPv6($value))) { $this->_error(self::NOT_IP_ADDRESS); return false; } return true; } /** * Validates an IPv4 address * * @param string $value * @return bool */ protected function _validateIPv4($value) { $ip2long = ip2long($value); if($ip2long === false) { return false; } return $value == long2ip($ip2long); } /** * Validates an IPv6 address * * @param string $value Value to check against * @return boolean True when $value is a valid ipv6 address * False otherwise */ protected function _validateIPv6($value) { if (strlen($value) < 3) { return $value == '::'; } if (strpos($value, '.')) { $lastcolon = strrpos($value, ':'); if (!($lastcolon && $this->_validateIPv4(substr($value, $lastcolon + 1)))) { return false; } $value = substr($value, 0, $lastcolon) . ':0:0'; } if (strpos($value, '::') === false) { return preg_match('/\A(?:[a-f0-9]{1,4}:){7}[a-f0-9]{1,4}\z/i', $value); } $colonCount = substr_count($value, ':'); if ($colonCount < 8) { return preg_match('/\A(?::|(?:[a-f0-9]{1,4}:)+):(?:(?:[a-f0-9]{1,4}:)*[a-f0-9]{1,4})?\z/i', $value); } // special case with ending or starting double colon if ($colonCount == 8) { return preg_match('/\A(?:::)?(?:[a-f0-9]{1,4}:){6}[a-f0-9]{1,4}(?:::)?\z/i', $value); } return false; } }