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pgserver/vendor/fgrosse/phpasn1/lib/ASN1/Universal/UTCTime.php

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+<?php
+/*
+ * This file is part of the PHPASN1 library.
+ *
+ * Copyright © Friedrich Große <friedrich.grosse@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FG\ASN1\Universal;
+
+use FG\ASN1\AbstractTime;
+use FG\ASN1\Parsable;
+use FG\ASN1\Identifier;
+use FG\ASN1\Exception\ParserException;
+
+/**
+ * This ASN.1 universal type contains the calendar date and time.
+ *
+ * The precision is one minute or one second and optionally a
+ * local time differential from coordinated universal time.
+ *
+ * Decoding of this type will accept the Basic Encoding Rules (BER)
+ * The encoding will comply with the Distinguished Encoding Rules (DER).
+ */
+class UTCTime extends AbstractTime implements Parsable
+{
+    public function getType()
+    {
+        return Identifier::UTC_TIME;
+    }
+
+    protected function calculateContentLength()
+    {
+        return 13; // Content is a string o the following format: YYMMDDhhmmssZ (13 octets)
+    }
+
+    protected function getEncodedValue()
+    {
+        return $this->value->format('ymdHis').'Z';
+    }
+
+    public static function fromBinary(&$binaryData, &$offsetIndex = 0)
+    {
+        self::parseIdentifier($binaryData[$offsetIndex], Identifier::UTC_TIME, $offsetIndex++);
+        $contentLength = self::parseContentLength($binaryData, $offsetIndex, 11);
+
+        $format = 'ymdGi';
+        $dateTimeString = substr($binaryData, $offsetIndex, 10);
+        $offsetIndex += 10;
+
+        // extract optional seconds part
+        if ($binaryData[$offsetIndex] != 'Z'
+        && $binaryData[$offsetIndex] != '+'
+        && $binaryData[$offsetIndex] != '-') {
+            $dateTimeString .= substr($binaryData, $offsetIndex, 2);
+            $offsetIndex += 2;
+            $format .= 's';
+        }
+
+        $dateTime = \DateTime::createFromFormat($format, $dateTimeString, new \DateTimeZone('UTC'));
+
+        // extract time zone settings
+        if ($binaryData[$offsetIndex] == '+'
+        || $binaryData[$offsetIndex] == '-') {
+            $dateTime = static::extractTimeZoneData($binaryData, $offsetIndex, $dateTime);
+        } elseif ($binaryData[$offsetIndex++] != 'Z') {
+            throw new ParserException('Invalid UTC String', $offsetIndex);
+        }
+
+        $parsedObject = new self($dateTime);
+        $parsedObject->setContentLength($contentLength);
+
+        return $parsedObject;
+    }
+}