diff options
Diffstat (limited to 'vendor/fgrosse/phpasn1/lib/ASN1/Universal/ObjectIdentifier.php')
-rw-r--r-- | vendor/fgrosse/phpasn1/lib/ASN1/Universal/ObjectIdentifier.php | 276 |
1 files changed, 138 insertions, 138 deletions
diff --git a/vendor/fgrosse/phpasn1/lib/ASN1/Universal/ObjectIdentifier.php b/vendor/fgrosse/phpasn1/lib/ASN1/Universal/ObjectIdentifier.php index 150ce9c..0077449 100644 --- a/vendor/fgrosse/phpasn1/lib/ASN1/Universal/ObjectIdentifier.php +++ b/vendor/fgrosse/phpasn1/lib/ASN1/Universal/ObjectIdentifier.php @@ -1,138 +1,138 @@ -<?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 Exception; -use FG\ASN1\Base128; -use FG\ASN1\OID; -use FG\ASN1\ASNObject; -use FG\ASN1\Parsable; -use FG\ASN1\Identifier; -use FG\ASN1\Exception\ParserException; - -class ObjectIdentifier extends ASNObject implements Parsable -{ - protected $subIdentifiers; - protected $value; - - public function __construct($value) - { - $this->subIdentifiers = explode('.', $value); - $nrOfSubIdentifiers = count($this->subIdentifiers); - - for ($i = 0; $i < $nrOfSubIdentifiers; $i++) { - if (is_numeric($this->subIdentifiers[$i])) { - // enforce the integer type - $this->subIdentifiers[$i] = intval($this->subIdentifiers[$i]); - } else { - throw new Exception("[{$value}] is no valid object identifier (sub identifier ".($i + 1).' is not numeric)!'); - } - } - - // Merge the first to arcs of the OID registration tree (per ASN definition!) - if ($nrOfSubIdentifiers >= 2) { - $this->subIdentifiers[1] = ($this->subIdentifiers[0] * 40) + $this->subIdentifiers[1]; - unset($this->subIdentifiers[0]); - } - - $this->value = $value; - } - - public function getContent() - { - return $this->value; - } - - public function getType() - { - return Identifier::OBJECT_IDENTIFIER; - } - - protected function calculateContentLength() - { - $length = 0; - foreach ($this->subIdentifiers as $subIdentifier) { - do { - $subIdentifier = $subIdentifier >> 7; - $length++; - } while ($subIdentifier > 0); - } - - return $length; - } - - protected function getEncodedValue() - { - $encodedValue = ''; - foreach ($this->subIdentifiers as $subIdentifier) { - $encodedValue .= Base128::encode($subIdentifier); - } - - return $encodedValue; - } - - public function __toString() - { - return OID::getName($this->value); - } - - public static function fromBinary(&$binaryData, &$offsetIndex = 0) - { - self::parseIdentifier($binaryData[$offsetIndex], Identifier::OBJECT_IDENTIFIER, $offsetIndex++); - $contentLength = self::parseContentLength($binaryData, $offsetIndex, 1); - - $firstOctet = ord($binaryData[$offsetIndex++]); - $oidString = floor($firstOctet / 40).'.'.($firstOctet % 40); - $oidString .= '.'.self::parseOid($binaryData, $offsetIndex, $contentLength - 1); - - $parsedObject = new self($oidString); - $parsedObject->setContentLength($contentLength); - - return $parsedObject; - } - - /** - * Parses an object identifier except for the first octet, which is parsed - * differently. This way relative object identifiers can also be parsed - * using this. - * - * @param $binaryData - * @param $offsetIndex - * @param $octetsToRead - * - * @throws ParserException - * - * @return string - */ - protected static function parseOid(&$binaryData, &$offsetIndex, $octetsToRead) - { - $oid = ''; - - while ($octetsToRead > 0) { - $octets = ''; - - do { - if (0 === $octetsToRead) { - throw new ParserException('Malformed ASN.1 Object Identifier', $offsetIndex - 1); - } - - $octetsToRead--; - $octet = $binaryData[$offsetIndex++]; - $octets .= $octet; - } while (ord($octet) & 0x80); - - $oid .= sprintf('%d.', Base128::decode($octets)); - } - - // Remove trailing '.' - return substr($oid, 0, -1) ?: ''; - } -} +<?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 Exception;
+use FG\ASN1\Base128;
+use FG\ASN1\OID;
+use FG\ASN1\ASNObject;
+use FG\ASN1\Parsable;
+use FG\ASN1\Identifier;
+use FG\ASN1\Exception\ParserException;
+
+class ObjectIdentifier extends ASNObject implements Parsable
+{
+ protected $subIdentifiers;
+ protected $value;
+
+ public function __construct($value)
+ {
+ $this->subIdentifiers = explode('.', $value);
+ $nrOfSubIdentifiers = count($this->subIdentifiers);
+
+ for ($i = 0; $i < $nrOfSubIdentifiers; $i++) {
+ if (is_numeric($this->subIdentifiers[$i])) {
+ // enforce the integer type
+ $this->subIdentifiers[$i] = intval($this->subIdentifiers[$i]);
+ } else {
+ throw new Exception("[{$value}] is no valid object identifier (sub identifier ".($i + 1).' is not numeric)!');
+ }
+ }
+
+ // Merge the first to arcs of the OID registration tree (per ASN definition!)
+ if ($nrOfSubIdentifiers >= 2) {
+ $this->subIdentifiers[1] = ($this->subIdentifiers[0] * 40) + $this->subIdentifiers[1];
+ unset($this->subIdentifiers[0]);
+ }
+
+ $this->value = $value;
+ }
+
+ public function getContent()
+ {
+ return $this->value;
+ }
+
+ public function getType()
+ {
+ return Identifier::OBJECT_IDENTIFIER;
+ }
+
+ protected function calculateContentLength()
+ {
+ $length = 0;
+ foreach ($this->subIdentifiers as $subIdentifier) {
+ do {
+ $subIdentifier = $subIdentifier >> 7;
+ $length++;
+ } while ($subIdentifier > 0);
+ }
+
+ return $length;
+ }
+
+ protected function getEncodedValue()
+ {
+ $encodedValue = '';
+ foreach ($this->subIdentifiers as $subIdentifier) {
+ $encodedValue .= Base128::encode($subIdentifier);
+ }
+
+ return $encodedValue;
+ }
+
+ public function __toString()
+ {
+ return OID::getName($this->value);
+ }
+
+ public static function fromBinary(&$binaryData, &$offsetIndex = 0)
+ {
+ self::parseIdentifier($binaryData[$offsetIndex], Identifier::OBJECT_IDENTIFIER, $offsetIndex++);
+ $contentLength = self::parseContentLength($binaryData, $offsetIndex, 1);
+
+ $firstOctet = ord($binaryData[$offsetIndex++]);
+ $oidString = floor($firstOctet / 40).'.'.($firstOctet % 40);
+ $oidString .= '.'.self::parseOid($binaryData, $offsetIndex, $contentLength - 1);
+
+ $parsedObject = new self($oidString);
+ $parsedObject->setContentLength($contentLength);
+
+ return $parsedObject;
+ }
+
+ /**
+ * Parses an object identifier except for the first octet, which is parsed
+ * differently. This way relative object identifiers can also be parsed
+ * using this.
+ *
+ * @param $binaryData
+ * @param $offsetIndex
+ * @param $octetsToRead
+ *
+ * @throws ParserException
+ *
+ * @return string
+ */
+ protected static function parseOid(&$binaryData, &$offsetIndex, $octetsToRead)
+ {
+ $oid = '';
+
+ while ($octetsToRead > 0) {
+ $octets = '';
+
+ do {
+ if (0 === $octetsToRead) {
+ throw new ParserException('Malformed ASN.1 Object Identifier', $offsetIndex - 1);
+ }
+
+ $octetsToRead--;
+ $octet = $binaryData[$offsetIndex++];
+ $octets .= $octet;
+ } while (ord($octet) & 0x80);
+
+ $oid .= sprintf('%d.', Base128::decode($octets));
+ }
+
+ // Remove trailing '.'
+ return substr($oid, 0, -1) ?: '';
+ }
+}
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