[Java] Bypass Checking Sertifikat SSL


package id.darodata.testing;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.InputStream;
import java.net.URL;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
public class IgnoreInvalidSSL {
	private static TrustManager[ ] get_trust_mgr() {
		TrustManager[ ] certs = new TrustManager[ ] {
				new X509TrustManager() {
					public X509Certificate[ ] getAcceptedIssuers() { return null; }
					public void checkClientTrusted(X509Certificate[ ] certs, String t) { }
					public void checkServerTrusted(X509Certificate[ ] certs, String t) { }
				}
		};
		return certs;
	}

	public static void main(String[] args) {
		try{
			String url = "https://test.darodata.id";
			URL urlc = new URL(url);
			java.lang.System.setProperty("https.protocols", "TLSv1.2");
            SSLContext ssl_ctx = SSLContext.getInstance("TLS");
            TrustManager[ ] trust_mgr = get_trust_mgr();
            ssl_ctx.init(null,                // key manager
                         trust_mgr,           // trust manager
                         new SecureRandom()); // random number generator
            HttpsURLConnection.setDefaultSSLSocketFactory(ssl_ctx.getSocketFactory());			
			
			HttpsURLConnection conn = (HttpsURLConnection)urlc.openConnection();
			conn.setRequestProperty("User-Agent", "AppleWebKit/537.36");
			conn.setDoInput(true);
			conn.setDoOutput(true);
			InputStream is = conn.getInputStream();
			int read = -1;
			StringBuffer sb = new StringBuffer();
			File f = new File("D:\\test.txt");
			while((read = is.read()) > -1){			
				sb.append((char)read);
			}
			FileWriter fw = new FileWriter(f);
			BufferedWriter bw = new BufferedWriter(fw);
			bw.write(sb.toString());
			bw.close();
			is.close();
		}catch (Exception e) {
			e.printStackTrace();
		}
	}
}


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