pl.allegro.tech.hermes.common.ssl.provided.ProvidedKeyManagersProvider Maven / Gradle / Ivy

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package pl.allegro.tech.hermes.common.ssl.provided;

import pl.allegro.tech.hermes.common.ssl.KeyManagersProvider;
import pl.allegro.tech.hermes.common.ssl.KeystoreProperties;

import java.io.InputStream;
import java.security.KeyStore;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;

public class ProvidedKeyManagersProvider implements KeyManagersProvider, ResourceLoader {

    private final KeystoreProperties keystoreProperties;

    public ProvidedKeyManagersProvider(KeystoreProperties keystoreProperties) {
        this.keystoreProperties = keystoreProperties;
    }

    @Override
    public KeyManager[] getKeyManagers() throws Exception {
        KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
        KeyStore keyStore = KeyStore.getInstance(keystoreProperties.getFormat());
        try (InputStream stream = getResourceAsInputStream(keystoreProperties.getLocationAsURI())) {
            keyStore.load(stream, keystoreProperties.getPassword().toCharArray());
            keyManagerFactory.init(keyStore, keystoreProperties.getPassword().toCharArray());
        }
        return keyManagerFactory.getKeyManagers();
    }
}