Me puede ayudar a ejecutar éste proceso Java con TWebview
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public class Firmador {
private static Firmador instancia;
private String ALG = "SHA1withRSA";
static {
Init.init();
Security.addProvider(new BouncyCastleProvider());
}
public static Firmador getInstance() {
if (instancia == null) {
instancia = new Firmador();
}
return instancia;
}
private Firmador() {
}
public static byte[] firmarDsig(byte[] datos, PrivateKey priv, X509Certificate... cert) throws ParserConfigurationException, IOException, SAXException, XMLSecurityException {
ElementProxy.setDefaultPrefix(Constants.SignatureSpecNS, "");
Document documento = leerXML(datos);
Element root = (Element) documento.getFirstChild();
documento.setXmlStandalone(false);
XMLSignature signature = new XMLSignature(documento, null, XMLSignature.ALGO_ID_SIGNATURE_RSA_SHA256);
root.appendChild(signature.getElement());
Transforms transforms = new Transforms(documento);
transforms.addTransform(Transforms.TRANSFORM_ENVELOPED_SIGNATURE);
transforms.addTransform(Transforms.TRANSFORM_C14N_WITH_COMMENTS);
signature.addDocument("", transforms, MessageDigestAlgorithm.ALGO_ID_DIGEST_SHA256);
if (cert != null) {
signature.addKeyInfo(cert[0]);
}
signature.sign(priv);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
XMLUtils.outputDOMc14nWithComments(documento, baos);
return baos.toString().getBytes();
}
public static Document leerXML(byte datos[]) throws ParserConfigurationException, IOException, SAXException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder;
factory.setNamespaceAware(true);
builder = factory.newDocumentBuilder();
return builder.parse(new ByteArrayInputStream(datos));
}
private static String getKey(String filename) throws IOException {
// Read key from file
String strKeyPEM = "";
BufferedReader br = new BufferedReader(new FileReader(filename));
String line;
while ((line = br.readLine()) != null) {
strKeyPEM += line + "\n";
}
br.close();
return strKeyPEM;
}
public static RSAPrivateKey getPrivateKey(String filename) throws IOException, GeneralSecurityException {
String privateKeyPEM = getKey(filename);
return getPrivateKeyFromString(privateKeyPEM);
}
public static RSAPrivateKey getPrivateKeyFromString(String key) throws IOException, GeneralSecurityException {
String privateKeyPEM = key;
privateKeyPEM = privateKeyPEM.replace("-----BEGIN PRIVATE KEY-----\n", "");
privateKeyPEM = privateKeyPEM.replace("-----END PRIVATE KEY-----", "");
byte[] encoded = Base64.decodeBase64(privateKeyPEM);
KeyFactory kf = KeyFactory.getInstance("RSA");
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(encoded);
RSAPrivateKey privKey = (RSAPrivateKey) kf.generatePrivate(keySpec);
return privKey;
}
public static RSAPublicKey getPublicKey(String filename) throws IOException, GeneralSecurityException {
String publicKeyPEM = getKey(filename);
return getPublicKeyFromString(publicKeyPEM);
}
public static RSAPublicKey getPublicKeyFromString(String key) throws IOException, GeneralSecurityException {
String publicKeyPEM = key;
publicKeyPEM = publicKeyPEM.replace("-----BEGIN PUBLIC KEY-----\n", "");
publicKeyPEM = publicKeyPEM.replace("-----END PUBLIC KEY-----", "");
byte[] encoded = Base64.decodeBase64(publicKeyPEM);
KeyFactory kf = KeyFactory.getInstance("RSA");
RSAPublicKey pubKey = (RSAPublicKey) kf.generatePublic(new X509EncodedKeySpec(encoded));
return pubKey;
}
public static X509Certificate getX509Certificate(String filename) throws IOException, CertificateException
{
CertificateFactory fact = CertificateFactory.getInstance("X.509");
FileInputStream is = new FileInputStream (filename);
X509Certificate cer = (X509Certificate) fact.generateCertificate(is);
PublicKey key = cer.getPublicKey();
return cer;
}
}
El proceso se debe llamar de ésta forma
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public void firmarXML() throws URISyntaxException, ParserConfigurationException, XMLSecurityException, org.xml.sax.SAXException {
String xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?><facturaElectronicaEstandar> AQUI VA LA FACTURA XML </fin>";
byte[] datos = xml.getBytes(StandardCharsets.UTF_8);
try {
String path = new File(Firmador.class.getProtectionDomain().getCodeSource().getLocation().toURI()).getPath();
PrivateKey privateKey = Firmador.getPrivateKey(path + "/vladimir_private.pem");
X509Certificate cert = Firmador.getX509Certificate(path + "/vladimir.cer");
byte[] xmlFirmado = Firmador.firmarDsig(datos, privateKey, cert);
String respuesta = new String(xmlFirmado);
System.out.println("facturaFirmada: "+respuesta);
} catch (IOException | GeneralSecurityException ex) {
Logger.getLogger(FirmadorUnitTest.class.getName()).log(Level.SEVERE, null, ex);
}
}
La puede insertar en éste código
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#include "FiveWin.ch"
*
function Main()
local oWebView := TWebView():New()
oWebView:bOnBind = { | cJson, nCalls | MsgInfo( cJson, nCalls ) }
oWebView:Bind( "SendToFWH" )
oWebView:Navigate( firma() )
Sleep( 200 )
oWebView:Run()
oWebView:Destroy()
return nil
*
Function Firma()
local cHtml
TEXT INTO cHtml
data:text/html,
<head> </head>
<body>
<button id='btn-test' >Firma xml</button>
<script>
function test(evt) {
//....
</script>
</body>
ENDTEXT
return cHtml
Muchas gracias por la ayuda.
