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/*
* Copyright (C) 2008-2020, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick;
import com.juick.www.api.activity.model.objects.Actor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.Resource;
import org.springframework.util.Base64Utils;
import org.tomitribe.churchkey.Key;
import org.tomitribe.churchkey.Keys;
import javax.net.ssl.KeyManagerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.security.*;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.spec.X509EncodedKeySpec;
import java.util.Arrays;
public class KeystoreManager {
private static final Logger logger = LoggerFactory.getLogger("ActivityPub");
private final String keystorePassword;
private KeyStore ks;
public KeystoreManager(Resource keystore, String keystorePassword) {
this.keystorePassword = keystorePassword;
try (InputStream ksIs = keystore.getInputStream()) {
ks = KeyStore.getInstance("PKCS12");
ks.load(ksIs, keystorePassword.toCharArray());
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory
.getDefaultAlgorithm());
kmf.init(ks, keystorePassword.toCharArray());
} catch (IOException | KeyStoreException | NoSuchAlgorithmException | UnrecoverableKeyException | CertificateException e) {
logger.error("Keystore error", e);
}
}
private KeyPair getKeyPair() {
java.security.Key privateKey;
try {
privateKey = ks.getKey("1", keystorePassword.toCharArray());
Certificate certificate = ks.getCertificate("1");
return new KeyPair(certificate.getPublicKey(), (PrivateKey) privateKey);
} catch (KeyStoreException | NoSuchAlgorithmException | UnrecoverableKeyException e) {
e.printStackTrace();
}
return null;
}
public PrivateKey getPrivateKey() {
return getKeyPair().getPrivate();
}
public PublicKey getPublicKey() {
return getKeyPair().getPublic();
}
public String getPublicKeyPem() {
return new String(Keys.of(getPublicKey()).encode(Key.Format.PEM));
}
public static java.security.Key publicKeyOf(Actor person) {
String pubkeyPem = person.getPublicKey().getPublicKeyPem();
return Keys.decode(pubkeyPem.getBytes()).getKey();
}
}
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