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package com.juick.server;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.util.Base64Utils;
import javax.annotation.PostConstruct;
import javax.net.ssl.KeyManagerFactory;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.*;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.util.Arrays;
import java.util.stream.Collectors;
@Component
public class KeystoreManager {
private static final Logger logger = LoggerFactory.getLogger("com.juick.server");
@Value("${keystore:../juick.p12}")
private String keystore;
@Value("${keystore_password:secret}")
private String keystorePassword;
private KeyStore ks;
private KeyManagerFactory kmf;
@PostConstruct
public void init() {
try (InputStream ksIs = new FileInputStream(keystore)) {
ks = KeyStore.getInstance("PKCS12");
ks.load(ksIs, keystorePassword.toCharArray());
kmf = KeyManagerFactory.getInstance(KeyManagerFactory
.getDefaultAlgorithm());
kmf.init(ks, keystorePassword.toCharArray());
} catch (IOException | KeyStoreException | NoSuchAlgorithmException | UnrecoverableKeyException | CertificateException e) {
logger.error("Keystore error", e);
}
}
public KeyStore getKeystore() {
return ks;
}
public KeyManagerFactory getKeymanagerFactory() {
return kmf;
}
private KeyPair getKeyPair() {
Key privateKey = null;
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 String getPublicKey() {
String[] key = Base64Utils.encodeToString(getKeyPair().getPublic().getEncoded()).split("(?<=\\G.{64})");
return String.format("-----BEGIN PUBLIC KEY-----\n%s\n-----END PUBLIC KEY-----\n",
Arrays.asList(key).stream().collect(Collectors.joining("\n")));
}
}
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