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<?php |
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/** |
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* IP range value object |
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* |
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* Thanks to Ross Tuck for this great article: |
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* http://rosstuck.com/persisting-value-objects-in-doctrine/ |
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* |
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* @author M. Yilmaz SUSLU <[email protected]> |
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* @license MIT |
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* |
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* @since Sep 2016 |
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*/ |
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namespace DDD\Embeddable; |
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use Doctrine\ORM\Mapping as ORM; |
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use JsonSerializable; |
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/** |
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* @ORM\Embeddable |
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*/ |
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class IpRange implements JsonSerializable |
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{ |
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/** |
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* beginning IP address of the range |
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* |
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* @ORM\Embedded(class="DDD\Embeddable\IpAddress") |
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* |
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* @var IpAddress |
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*/ |
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protected $startIp; |
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/** |
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* high IP address of the range |
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* |
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* @ORM\Embedded(class="DDD\Embeddable\IpAddress") |
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* |
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* @var IpAddress |
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*/ |
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protected $endIp; |
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/** |
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* Constructor. |
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* |
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* @param IpAddress $startIp |
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* @param IpAddress $endIp |
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*/ |
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public function __construct(IpAddress $startIp = null, IpAddress $endIp = null) |
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{ |
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$this->startIp = $startIp; |
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$this->endIp = $endIp; |
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} |
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/** |
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* Returns the low IP addresses of this range. |
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* |
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* @return IpAddress |
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*/ |
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public function getStartIp() |
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{ |
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return $this->startIp; |
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} |
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/** |
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* Returns the high IP addresses of this range. |
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* |
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* @return IpAddress |
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*/ |
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public function getEndIp() |
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{ |
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return $this->endIp; |
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} |
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/** |
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* Create a new range from CIDR notation. |
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* CIDR notation is a compact representation of an IP address(es) |
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* and its associated routing prefix. |
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* |
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* @static |
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* |
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* @param string $cidr |
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* |
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* @return self |
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*/ |
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public static function createFromCidrNotation($cidr) |
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{ |
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list($subnet, $bits) = explode('/', $cidr); |
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$start = long2ip((ip2long($subnet)) & ((-1 << (32 - (int)$bits)))); |
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$end = long2ip((ip2long($subnet)) + pow(2, (32 - (int)$bits))-1); |
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return new IpRange(new IpAddress($start), new IpAddress($end)); |
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} |
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/** |
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* String representation of a range. |
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* |
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* Example output: "192.168.0.10 - 192.168.0.255" |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->isEmpty() ? '' : (string) $this->startIp.' - '. $this->endIp; |
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} |
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/** |
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* Array representation of the ip range |
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* |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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if ($this->isEmpty()) { |
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return []; |
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} |
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return [ |
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'startIp' => (string) $this->getStartIp(), |
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'endIp' => (string) $this->getEndIp(), |
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]; |
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} |
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/** |
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* Returns boolean TRUE if the range is empty, false otherwise. |
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* |
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* @return boolean |
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*/ |
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public function isEmpty() |
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{ |
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return $this->startIp === null || $this->endIp === null; |
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} |
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/** |
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* Implement json serializable interface. |
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* |
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* @return array |
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*/ |
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public function jsonSerialize() |
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{ |
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return $this->toArray(); |
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} |
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} |
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biberlabs /
ddd-embeddables
