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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\ASN1\Universal; |
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|
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use WP_DEFENDER_VENDOR\FG\ASN1\AbstractTime; |
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use WP_DEFENDER_VENDOR\FG\ASN1\Parsable; |
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use WP_DEFENDER_VENDOR\FG\ASN1\Identifier; |
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use WP_DEFENDER_VENDOR\FG\ASN1\Exception\ParserException; |
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|
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/** |
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* This ASN.1 universal type contains the calendar date and time. |
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* |
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* The precision is one minute or one second and optionally a |
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* local time differential from coordinated universal time. |
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* |
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* Decoding of this type will accept the Basic Encoding Rules (BER) |
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* The encoding will comply with the Distinguished Encoding Rules (DER). |
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*/ |
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class UTCTime extends AbstractTime implements Parsable |
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{ |
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public function getType() |
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{ |
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return Identifier::UTC_TIME; |
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} |
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|
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protected function calculateContentLength() |
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{ |
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return 13; // Content is a string o the following format: YYMMDDhhmmssZ (13 octets) |
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} |
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|
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protected function getEncodedValue() |
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{ |
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return $this->value->format('ymdHis').'Z'; |
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} |
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|
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public static function fromBinary(&$binaryData, &$offsetIndex = 0) |
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{ |
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self::parseIdentifier($binaryData[$offsetIndex], Identifier::UTC_TIME, $offsetIndex++); |
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$contentLength = self::parseContentLength($binaryData, $offsetIndex, 11); |
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|
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$format = 'ymdGi'; |
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$dateTimeString = substr($binaryData, $offsetIndex, 10); |
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$offsetIndex += 10; |
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|
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// extract optional seconds part |
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if ($binaryData[$offsetIndex] != 'Z' |
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&& $binaryData[$offsetIndex] != '+' |
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&& $binaryData[$offsetIndex] != '-') { |
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$dateTimeString .= substr($binaryData, $offsetIndex, 2); |
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$offsetIndex += 2; |
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$format .= 's'; |
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} |
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|
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$dateTime = \DateTime::createFromFormat($format, $dateTimeString, new \DateTimeZone('UTC')); |
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|
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// extract time zone settings |
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if ($binaryData[$offsetIndex] == '+' |
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|| $binaryData[$offsetIndex] == '-') { |
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$dateTime = static::extractTimeZoneData($binaryData, $offsetIndex, $dateTime); |
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} elseif ($binaryData[$offsetIndex++] != 'Z') { |
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throw new ParserException('Invalid UTC String', $offsetIndex); |
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} |
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|
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$parsedObject = new self($dateTime); |
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$parsedObject->setContentLength($contentLength); |
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|
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return $parsedObject; |
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} |
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} |
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