nl.surfnet.spring.security.opensaml.KeyStore.java Source code

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Here is the source code for nl.surfnet.spring.security.opensaml.KeyStore.java

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/*
 * Copyright 2012 SURFnet bv, The Netherlands
 *
 * Licensed 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 nl.surfnet.spring.security.opensaml;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.ssl.Base64;
import org.springframework.beans.factory.annotation.Required;

import nl.surfnet.spring.security.opensaml.util.KeyStoreUtil;

public class KeyStore {

    private String keystorePassword = "secret";

    private java.security.KeyStore keyStore;
    private Map<String, String> passwords = new HashMap<String, String>();

    public KeyStore() {
        try {
            keyStore = java.security.KeyStore.getInstance("JKS");
            keyStore.load(null, keystorePassword.toCharArray());
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

    }

    @Required
    public void setCertificates(Map<String, String> certificates) {
        for (Map.Entry<String, String> entry : certificates.entrySet()) {
            addCertificate(entry.getKey(), entry.getValue());
        }
    }

    public java.security.KeyStore getJavaSecurityKeyStore() {
        return keyStore;
    }

    /**
     * Add a private key (plus its certificate chain) to the given key store.
     * @param alias alias of the key
     * @param privateKey the private key in Base64 encoded BER format.
     * @param certificate the certificate in PEM format, without ---BEGIN CER.... wrapper
     * @param password password to protect key with
     */
    public void addPrivateKey(String alias, String privateKey, String certificate, String password) {
        String wrappedCert = "-----BEGIN CERTIFICATE-----\n" + certificate + "\n-----END CERTIFICATE-----";
        byte[] decodedKey = Base64.decodeBase64(privateKey.getBytes());

        try {
            KeyStoreUtil.appendKeyToKeyStore(keyStore, alias, new ByteArrayInputStream(wrappedCert.getBytes()),
                    new ByteArrayInputStream(decodedKey), password.toCharArray());
            passwords.put(alias, password);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public void addCertificate(String alias, String certificate) {
        KeyStoreUtil.appendCertificateToKeyStore(keyStore, alias, certificate);
    }

    public Map<String, String> getPrivateKeyPasswords() {
        return passwords;
    }
}