ForceHttpsInterceptor.java

import android.text.TextUtils;

import java.io.IOException;

import okhttp3.Interceptor;
import okhttp3.Response;

public class ForceHttpsInterceptor implements Interceptor {

	@Override
	public Response intercept(Interceptor.Chain chain) throws IOException {
		Response originalResponse = chain.proceed(chain.request());

		String location = originalResponse.header("location");

		if(!TextUtils.isEmpty(location)) {
			return originalResponse.newBuilder()
					.header("location", location.replace("http://", "https://"))
					.build();
		} else {
			return originalResponse;
		}
	}
}