/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.wso2.carbon.identity.provider.saml;
import org.apache.xml.security.signature.XMLSignature;
import org.opensaml.xml.security.credential.Credential;
import org.opensaml.xml.security.credential.CredentialContextSet;
import org.opensaml.xml.security.credential.UsageType;
import org.opensaml.xml.security.x509.X509Credential;
import org.wso2.carbon.base.ServerConfiguration;
import org.wso2.carbon.core.util.KeyStoreManager;
import org.wso2.carbon.identity.core.util.IdentityTenantUtil;
import org.wso2.carbon.identity.provider.IdentityProviderException;
import org.wso2.carbon.security.keystore.KeyStoreAdmin;
import javax.crypto.SecretKey;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.cert.Certificate;
import java.security.cert.X509CRL;
import java.security.cert.X509Certificate;
import java.util.Arrays;
import java.util.Collection;
public class SignKeyDataHolder implements X509Credential {
private String signatureAlgorithm = null;
private static SignKeyDataHolder instance = null;
private X509Certificate[] issuerCerts = null;
private PrivateKey issuerPK = null;
public static SignKeyDataHolder getInstance() throws IdentityProviderException {
if (instance == null) {
instance = new SignKeyDataHolder();
}
return instance;
}
private SignKeyDataHolder() throws IdentityProviderException {
// do once - because this is a expensive operation
String keyAlias = null;
KeyStoreAdmin keyAdmin = null;
KeyStoreManager keyMan = null;
Certificate[] certificates = null;
try {
keyAlias = ServerConfiguration.getInstance().getFirstProperty(
"Security.KeyStore.KeyAlias");
keyAdmin = new KeyStoreAdmin(IdentityTenantUtil.getRegistry(null,null));
keyMan = KeyStoreManager.getInstance(null);
issuerPK = (PrivateKey) keyAdmin.getPrivateKey(keyAlias);;
certificates = keyMan.getPrimaryKeyStore().getCertificateChain(keyAlias);
issuerCerts = new X509Certificate[certificates.length];
int i = 0;
for (Certificate certificate : certificates) {
issuerCerts[i++] = (X509Certificate) certificate;
}
signatureAlgorithm = XMLSignature.ALGO_ID_SIGNATURE_RSA;
String pubKeyAlgo = issuerCerts[0].getPublicKey().getAlgorithm();
if (pubKeyAlgo.equalsIgnoreCase("DSA")) {
signatureAlgorithm = XMLSignature.ALGO_ID_SIGNATURE_DSA;
}
} catch (Exception e) {
throw new IdentityProviderException(e.getMessage(), e);
}
}
public String getSignatureAlgorithm() {
return signatureAlgorithm;
}
public void setSignatureAlgorithm(String signatureAlgorithm) {
this.signatureAlgorithm = signatureAlgorithm;
}
public Collection<X509CRL> getCRLs() {
return null;
}
public X509Certificate getEntityCertificate() {
return issuerCerts[0];
}
public Collection<X509Certificate> getEntityCertificateChain() {
return Arrays.asList(issuerCerts);
}
public CredentialContextSet getCredentalContextSet() {
// TODO Auto-generated method stub
return null;
}
public Class<? extends Credential> getCredentialType() {
// TODO Auto-generated method stub
return null;
}
public String getEntityId() {
// TODO Auto-generated method stub
return null;
}
public Collection<String> getKeyNames() {
// TODO Auto-generated method stub
return null;
}
public PrivateKey getPrivateKey() {
return issuerPK;
}
public PublicKey getPublicKey() {
return issuerCerts[0].getPublicKey();
}
public SecretKey getSecretKey() {
// TODO Auto-generated method stub
return null;
}
public UsageType getUsageType() {
// TODO Auto-generated method stub
return null;
}
}