private function getFormatDocumentLevel($aLevel, $aSpace)
{
$tSpace1 = str_repeat($aSpace, $aLevel + 1);
$tTagName = $this->getFirstTagName();
if ($tTagName === null) {
return $this;
}
$tXMLString = "\n";
$tXMLDocument = new XMLDocument($this->iXMLString);
while (($tTagName = $tXMLDocument->getFirstTagName()) !== null) {
$tTemp = $tXMLDocument->getValue($tTagName);
$tSpace = "";
if ($tTemp->getFirstTagName() !== null) {
$tSpace = $tSpace1;
}
$tXMLString = "{$tXMLString}{$tSpace1}<{$tTagName}>" . $tTemp->getFormatDocumentLevel($aLevel + 1, $aSpace) . "{$tSpace}</{$tTagName}>\n";
$tXMLDocument = $tXMLDocument->deleteFirstTagDocument();
}
return new XMLDocument($tXMLString);
}
public static function verifySignXML($aMessage)
{
self::bundle();
$aMessage = new XMLDocument($aMessage);
$tTrxResponse = $aMessage->getValue('Message');
if ($tTrxResponse == null) {
throw new TrxException(TrxException::TRX_EXC_CODE_1301, TrxException::TRX_EXC_MSG_1301, '无[Message]段！');
}
$tAlgorithm = $aMessage->getValue('Signature-Algorithm');
if ($tAlgorithm == null) {
throw new TrxException(TrxException::TRX_EXC_CODE_1301, TrxException::TRX_EXC_MSG_1301, '无[Signature-Algorithm]段！');
}
$tSignBase64 = $aMessage->getValue('Signature');
if ($tSignBase64 == null) {
throw new TrxException(TrxException::TRX_EXC_CODE_1301, TrxException::TRX_EXC_MSG_1301, '无[Signature]段！');
}
$tSign = base64_decode($tSignBase64);
$key = openssl_pkey_get_public(self::$iTrustpayCertificate);
$data = strval($tTrxResponse);
if (openssl_verify($data, $tSign, $key, OPENSSL_ALGO_SHA1) == 1) {
} else {
throw new TrxException(TrxException::TRX_EXC_CODE_1302, TrxException::TRX_EXC_MSG_1302);
}
}
