/**
* @param Sequence $info
* @return CertificateInfo
*/
public function parseCertificateInfo(Sequence $info)
{
if ($info->getNumberOfChildren() < 6) {
throw new \InvalidArgumentException('Invalid data');
}
$infoChildren = $info->getChildren();
// Parse SerialNo
if (!$infoChildren[0] instanceof Integer) {
throw new \InvalidArgumentException('Invalid data - serialNo');
}
$serialNo = $infoChildren[0]->getContent();
// Parse Signature Algorithm
if (!$infoChildren[1] instanceof Sequence || $infoChildren[1]->getNumberOfChildren() < 1 || !$infoChildren[1]->getChildren()[0] instanceof ObjectIdentifier) {
throw new \InvalidArgumentException('Invalid data - sigalg');
}
$sigAlgSet = $infoChildren[1]->getChildren();
/** @var ObjectIdentifier $sigAlgOid */
$sigAlgOid = $sigAlgSet[0];
$sigAlg = SigAlgorithmOidMapper::getKnownAlgorithmFromOid($sigAlgOid);
// Parse Issuer
if (!$infoChildren[2] instanceof Sequence) {
throw new \InvalidArgumentException('Invalid data - Issuer');
}
$issuer = $this->parseSubject($infoChildren[2]);
// Parse Validity - array of UTCTime
$validity = $infoChildren[3];
if (!$validity instanceof Sequence || $validity->getNumberOfChildren() !== 2) {
throw new \InvalidArgumentException('Invalid Validity');
}
$validityContents = $validity->getChildren();
if (!$validityContents[0] instanceof UTCTime || !$validityContents[1] instanceof UTCTime) {
throw new \InvalidArgumentException('Invalid Validity');
}
/** @var UTCTime $validityEnd */
/** @var UTCTime $validityStart */
list($validityStart, $validityEnd) = $validityContents;
// Parse Subject
if (!$infoChildren[4] instanceof Sequence) {
throw new \InvalidArgumentException('Invalid data - Subject');
}
$subject = $this->parseSubject($infoChildren[4]);
// Parse Subject Public Key Info
if (!$infoChildren[5] instanceof Sequence) {
throw new \InvalidArgumentException('Invalid data - Subject Public Key');
}
$subjectKey = $this->parseSubjectKeyInfo($infoChildren[5]);
return new CertificateInfo($serialNo, $sigAlg, $issuer, $subject, $subjectKey, $validityStart->getContent(), $validityEnd->getContent());
}
