Trust Store Example

gistfile1.txt

import android.content.Context;
import com.squareup.okhttp.OkHttpClient;
import java.io.InputStream;
import java.security.KeyStore;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManagerFactory;

import static java.util.concurrent.TimeUnit.SECONDS;

public class OkHttpClientFactory {
  private static final char[] TRUST_STORE_PASSWORD = ...

  SSLSocketFactory createSslSocketFactory(Context context) throws Exception {
    KeyStore trusted = KeyStore.getInstance("BKS");
    InputStream in = context.getResources().openRawResource(R.raw.truststore);
    trusted.load(in, TRUST_STORE_PASSWORD);
    in.close();
    SSLContext sslContext = SSLContext.getInstance("TLS");
    TrustManagerFactory trustManagerFactory =
        TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
    trustManagerFactory.init(trusted);
    sslContext.init(null, trustManagerFactory.getTrustManagers(), null);
    return sslContext.getSocketFactory();
  }

  OkHttpClient newOkHttpClient(Context context) throws Exception {
    OkHttpClient client = new OkHttpClient();
    client.setConnectTimeout(10, SECONDS);
    client.setReadTimeout(10, SECONDS);
    client.setSslSocketFactory(createSslSocketFactory(context));
    return client;
  }
}