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The Common Security Tools

There is a newer version: 0.1.25

package org.catools.common.security;

import org.catools.common.io.CFile;
import org.catools.common.io.CResource;

import java.io.InputStream;
import java.security.Key;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.PublicKey;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;

public class CKeyStore {
    private KeyStore keystore;

    public CKeyStore(String resourceName, Class classForLoader, String keystorePassword) {
        this(new CResource(resourceName, classForLoader).getInputStream(), keystorePassword);
    }

    public CKeyStore(CFile keystoreFile, String keystorePassword) {
        this(keystoreFile.getInputStream(), keystorePassword);
    }

    public CKeyStore(InputStream readStream, String keystorePassword) {
        try {
            keystore = KeyStore.getInstance("JKS");
            keystore.load(readStream, keystorePassword.toCharArray());
            readStream.close();
        } catch (Throwable e) {
            throw new CKeyStoreException("Failed to initialize keystore", e);
        }
    }

    public CKeyStore(KeyStore keystore) {
        this.keystore = keystore;
    }

    public KeyStore getKeystore() {
        return keystore;
    }

    public X509Certificate getX509Certificate(String alias) {
        return (X509Certificate) getCertificate(alias);
    }

    public Certificate getCertificate(String alias) {
        try {
            return keystore.getCertificate(alias);
        } catch (KeyStoreException e) {
            throw new CKeyStoreException("Failed to get certification from keystore.", e);
        }
    }

    public  T getPrivate(String alias, String aliasPassword) {
        try {
            return (T) keystore.getKey(alias, aliasPassword.toCharArray());
        } catch (Throwable e) {
            throw new CKeyStoreException("Failed to get privet key from keystore.", e);
        }
    }

    public  T getPublic(String alias) {
        return (T) getCertificate(alias).getPublicKey();
    }
}