public function testFromBinary()
{
$originalObject = new Attributes();
$sans = new SubjectAlternativeNames();
$sans->addDomainName(new DNSName('corvespace.de'));
$extensionRequest = new CertificateExtensions();
$extensionRequest->addSubjectAlternativeNames($sans);
$originalObject->addAttribute(OID::PKCS9_EXTENSION_REQUEST, $extensionRequest);
$binaryData = $originalObject->getBinary();
$parsedObject = Attributes::fromBinary($binaryData);
$this->assertEquals($originalObject, $parsedObject);
}
/**
* @depends testFromBinary
*/
public function testFromBinaryWithOffset()
{
$objectIdentifier = new ObjectIdentifier(OID::CERT_EXT_SUBJECT_ALT_NAME);
$originalObject1 = new CertificateExtensions();
$sans1 = new SubjectAlternativeNames();
$sans1->addDomainName(new DNSName('corvespace.de'));
$sans1->addIP(new IPAddress('192.168.0.1'));
$originalObject1->addSubjectAlternativeNames($sans1);
$originalObject2 = new CertificateExtensions();
$sans2 = new SubjectAlternativeNames();
$sans2->addDomainName(new DNSName('google.com'));
$originalObject2->addSubjectAlternativeNames($sans2);
$binaryData = $originalObject1->getBinary();
$binaryData .= $originalObject2->getBinary();
$offset = 0;
$parsedObject = CertificateExtensions::fromBinary($binaryData, $offset);
$this->assertEquals($originalObject1, $parsedObject);
$offsetAfterFirstObject = $sans1->getObjectLength() + $objectIdentifier->getObjectLength() + 2 + 2 + 2;
$this->assertEquals($offsetAfterFirstObject, $offset);
$parsedObject = CertificateExtensions::fromBinary($binaryData, $offset);
$this->assertEquals($originalObject2, $parsedObject);
$this->assertEquals($offsetAfterFirstObject + $sans2->getObjectLength() + $objectIdentifier->getObjectLength() + 2 + 2 + 2, $offset);
}
public static function fromBinary(&$binaryData, &$offsetIndex = 0)
{
self::parseIdentifier($binaryData[$offsetIndex], 0xa0, $offsetIndex++);
$contentLength = self::parseContentLength($binaryData, $offsetIndex);
$octetsToRead = $contentLength;
$parsedObject = new self();
while ($octetsToRead > 0) {
$initialOffset = $offsetIndex;
// used to calculate how much bits have been read
self::parseIdentifier($binaryData[$offsetIndex], Identifier::SEQUENCE, $offsetIndex++);
self::parseContentLength($binaryData, $offsetIndex);
$objectIdentifier = ObjectIdentifier::fromBinary($binaryData, $offsetIndex);
$oidString = $objectIdentifier->getContent();
if ($oidString == OID::PKCS9_EXTENSION_REQUEST) {
$attribute = CertificateExtensions::fromBinary($binaryData, $offsetIndex);
} else {
$attribute = Object::fromBinary($binaryData, $offsetIndex);
}
$parsedObject->addAttribute($objectIdentifier, $attribute);
$octetsToRead -= $offsetIndex - $initialOffset;
}
$parsedObject->setContentLength($contentLength);
return $parsedObject;
}
