How to Ignore SSL for React Native

Jasmine H
1 min readOct 4, 2021

Add file IgnoreSSLFactory.java to the same path of MainApplicaiton.java (default under /android/app/src/main/java/com/[yourapp]/

//IgnoreSSLFactory.java
package com.yourapp; //Change this
import com.facebook.react.modules.network.OkHttpClientFactory;
import com.facebook.react.modules.network.OkHttpClientFactory;
import com.facebook.react.modules.network.OkHttpClientProvider;
import com.facebook.react.modules.network.ReactCookieJarContainer;
import java.security.cert.CertificateException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import android.util.Log;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import okhttp3.CipherSuite;
import okhttp3.ConnectionSpec;
import okhttp3.OkHttpClient;
import okhttp3.TlsVersion;
import static android.content.ContentValues.TAG;public class IgnoreSSLFactory implements OkHttpClientFactory {
private static final String TAG = "IgnoreSSLFactory";

@Override
public OkHttpClient createNewNetworkModuleClient() {
try {
final TrustManager[] trustAllCerts = new TrustManager[]{
new X509TrustManager() {
@Override
public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {
}
@Override
public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {
}
@Override
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return new java.security.cert.X509Certificate[]{};
}
}
};
final SSLContext sslContext = SSLContext.getInstance("SSL");
sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();OkHttpClient.Builder builder = new OkHttpClient.Builder()
.connectTimeout(0, TimeUnit.MILLISECONDS).readTimeout(0, TimeUnit.MILLISECONDS)
.writeTimeout(0, TimeUnit.MILLISECONDS).cookieJar(new ReactCookieJarContainer());
builder.sslSocketFactory(sslSocketFactory, (X509TrustManager) trustAllCerts[0]);
builder.hostnameVerifier(new HostnameVerifier() {
@Override
public boolean verify(String hostname, SSLSession session) {
return true;
}
});
OkHttpClient okHttpClient = builder.build();
return okHttpClient;
} catch (Exception e) {
Log.e(TAG, e.getMessage());
throw new RuntimeException(e);
}
}
}

Modify MainApplication.java

  • Add : import com.facebook.react.modules.network.OkHttpClientProvider;
  • Add : OkHttpClientProvider.setOkHttpClientFactory(new IgnoreSSLFactory()); into onCreate() function as below:
@Override  
public void onCreate() {
super.onCreate();
SoLoader.init(this, /* native exopackage */ false);
OkHttpClientProvider.setOkHttpClientFactory(new IgnoreSSLFactory());
initializeFlipper(this,
getReactNativeHost().getReactInstanceManager());
}

👇Clap if this article is helpful, any feedback is welcome :)

--

--

Jasmine H

Data Engineer from Taiwan, recently working on EFK and Kubernetes projects.