Answers for "how to create keyManaget[] for ssl context for https restapi"

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how to create keyManaget[] for ssl context for https restapi

public class MyCustomClientHttpRequestFactory extends SimpleClientHttpRequestFactory {

@Override
protected void prepareConnection(HttpURLConnection connection, String httpMethod) {
    try {
        if (!(connection instanceof HttpsURLConnection)) {
            throw new RuntimeException("An instance of HttpsURLConnection is expected");
        }

        HttpsURLConnection httpsConnection = (HttpsURLConnection) connection;

        TrustManager[] trustAllCerts = new TrustManager[]{
                new X509TrustManager() {
                    public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                        return null;
                    }

                    public void checkClientTrusted(X509Certificate[] certs, String authType) {
                    }

                    public void checkServerTrusted(X509Certificate[] certs, String authType) {
                    }

                }
        };
        SSLContext sslContext = SSLContext.getInstance("SSL");
        sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
        httpsConnection.setSSLSocketFactory(new MyCustomSSLSocketFactory(sslContext.getSocketFactory()));

        httpsConnection.setHostnameVerifier((hostname, session) -> true);

        super.prepareConnection(httpsConnection, httpMethod);
    } catch (Exception e) {
        throw Throwables.propagate(e);
    }
}

/**
 * We need to invoke sslSocket.setEnabledProtocols(new String[] {"SSLv3"});
 * see http://www.oracle.com/technetwork/java/javase/documentation/cve-2014-3566-2342133.html (Java 8 section)
 */
private static class MyCustomSSLSocketFactory extends SSLSocketFactory {

    private final SSLSocketFactory delegate;

    public MyCustomSSLSocketFactory(SSLSocketFactory delegate) {
        this.delegate = delegate;
    }

    @Override
    public String[] getDefaultCipherSuites() {
        return delegate.getDefaultCipherSuites();
    }

    @Override
    public String[] getSupportedCipherSuites() {
        return delegate.getSupportedCipherSuites();
    }

    @Override
    public Socket createSocket(final Socket socket, final String host, final int port, final boolean autoClose) throws IOException {
        final Socket underlyingSocket = delegate.createSocket(socket, host, port, autoClose);
        return overrideProtocol(underlyingSocket);
    }

    @Override
    public Socket createSocket(final String host, final int port) throws IOException {
        final Socket underlyingSocket = delegate.createSocket(host, port);
        return overrideProtocol(underlyingSocket);
    }

    @Override
    public Socket createSocket(final String host, final int port, final InetAddress localAddress, final int localPort) throws IOException {
        final Socket underlyingSocket = delegate.createSocket(host, port, localAddress, localPort);
        return overrideProtocol(underlyingSocket);
    }

    @Override
    public Socket createSocket(final InetAddress host, final int port) throws IOException {
        final Socket underlyingSocket = delegate.createSocket(host, port);
        return overrideProtocol(underlyingSocket);
    }

    @Override
    public Socket createSocket(final InetAddress host, final int port, final InetAddress localAddress, final int localPort) throws IOException {
        final Socket underlyingSocket = delegate.createSocket(host, port, localAddress, localPort);
        return overrideProtocol(underlyingSocket);
    }

    private Socket overrideProtocol(final Socket socket) {
        if (!(socket instanceof SSLSocket)) {
            throw new RuntimeException("An instance of SSLSocket is expected");
        }
        ((SSLSocket) socket).setEnabledProtocols(new String[] {"SSLv3"});
        return socket;
    }
}
}
Posted by: Guest on August-30-2020

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