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<?php |
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/* |
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* This file is part of the PHPASN1 library. |
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* |
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* Copyright © Friedrich Große <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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namespace WP_DEFENDER_VENDOR\FG\X509\SAN; |
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|
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use WP_DEFENDER_VENDOR\FG\ASN1\ASNObject; |
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use WP_DEFENDER_VENDOR\FG\ASN1\Parsable; |
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use WP_DEFENDER_VENDOR\FG\ASN1\Exception\ParserException; |
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|
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class IPAddress extends ASNObject implements Parsable |
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{ |
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const IDENTIFIER = 0x87; // not sure yet why this is the identifier used in SAN extensions |
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|
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/** @var string */ |
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private $value; |
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|
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public function __construct($ipAddressString) |
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{ |
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$this->value = $ipAddressString; |
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} |
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|
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public function getType() |
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{ |
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return self::IDENTIFIER; |
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} |
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|
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public function getContent() |
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{ |
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return $this->value; |
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} |
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|
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protected function calculateContentLength() |
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{ |
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return 4; |
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} |
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|
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protected function getEncodedValue() |
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{ |
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$ipParts = explode('.', $this->value); |
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$binary = chr($ipParts[0]); |
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$binary .= chr($ipParts[1]); |
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$binary .= chr($ipParts[2]); |
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$binary .= chr($ipParts[3]); |
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|
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return $binary; |
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} |
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|
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public static function fromBinary(&$binaryData, &$offsetIndex = 0) |
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{ |
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self::parseIdentifier($binaryData[$offsetIndex], self::IDENTIFIER, $offsetIndex++); |
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$contentLength = self::parseContentLength($binaryData, $offsetIndex); |
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if ($contentLength != 4) { |
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throw new ParserException("A WP_DEFENDER_VENDOR\FG\\X509\SAN\IPAddress should have a content length of 4. Extracted length was {$contentLength}", $offsetIndex); |
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} |
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|
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$ipAddressString = ord($binaryData[$offsetIndex++]).'.'; |
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$ipAddressString .= ord($binaryData[$offsetIndex++]).'.'; |
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$ipAddressString .= ord($binaryData[$offsetIndex++]).'.'; |
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$ipAddressString .= ord($binaryData[$offsetIndex++]); |
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|
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$parsedObject = new self($ipAddressString); |
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$parsedObject->getObjectLength(); |
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|
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return $parsedObject; |
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} |
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} |
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